diff options
Diffstat (limited to 'freetype/src')
151 files changed, 4681 insertions, 3664 deletions
diff --git a/freetype/src/autofit/afangles.c b/freetype/src/autofit/afangles.c index b44a5ba2c..f8b095bef 100644 --- a/freetype/src/autofit/afangles.c +++ b/freetype/src/autofit/afangles.c @@ -20,66 +20,6 @@ #include "aftypes.h" -#if 0 - - FT_LOCAL_DEF( FT_Int ) - af_corner_is_flat( FT_Pos x_in, - FT_Pos y_in, - FT_Pos x_out, - FT_Pos y_out ) - { - FT_Pos ax = x_in; - FT_Pos ay = y_in; - - FT_Pos d_in, d_out, d_corner; - - - if ( ax < 0 ) - ax = -ax; - if ( ay < 0 ) - ay = -ay; - d_in = ax + ay; - - ax = x_out; - if ( ax < 0 ) - ax = -ax; - ay = y_out; - if ( ay < 0 ) - ay = -ay; - d_out = ax + ay; - - ax = x_out + x_in; - if ( ax < 0 ) - ax = -ax; - ay = y_out + y_in; - if ( ay < 0 ) - ay = -ay; - d_corner = ax + ay; - - return ( d_in + d_out - d_corner ) < ( d_corner >> 4 ); - } - - - FT_LOCAL_DEF( FT_Int ) - af_corner_orientation( FT_Pos x_in, - FT_Pos y_in, - FT_Pos x_out, - FT_Pos y_out ) - { - FT_Pos delta; - - - delta = x_in * y_out - y_in * x_out; - - if ( delta == 0 ) - return 0; - else - return 1 - 2 * ( delta < 0 ); - } - -#endif /* 0 */ - - /* * We are not using `af_angle_atan' anymore, but we keep the source * code below just in case... diff --git a/freetype/src/autofit/afblue.c b/freetype/src/autofit/afblue.c index 6e214c872..811226eac 100644 --- a/freetype/src/autofit/afblue.c +++ b/freetype/src/autofit/afblue.c @@ -26,15 +26,21 @@ af_blue_strings[] = { /* */ - 'T', 'H', 'E', 'Z', 'O', 'C', 'Q', 'S', /* THEZOCQS */ + '\xD0', '\x91', '\xD0', '\x92', '\xD0', '\x95', '\xD0', '\x9F', '\xD0', '\x97', '\xD0', '\x9E', '\xD0', '\xA1', '\xD0', '\xAD', /* БВЕПЗОСЭ */ '\0', - 'H', 'E', 'Z', 'L', 'O', 'C', 'U', 'S', /* HEZLOCUS */ + '\xD0', '\x91', '\xD0', '\x92', '\xD0', '\x95', '\xD0', '\xA8', '\xD0', '\x97', '\xD0', '\x9E', '\xD0', '\xA1', '\xD0', '\xAD', /* БВЕШЗОСЭ */ '\0', - 'f', 'i', 'j', 'k', 'd', 'b', 'h', /* fijkdbh */ + '\xD1', '\x85', '\xD0', '\xBF', '\xD0', '\xBD', '\xD1', '\x88', '\xD0', '\xB5', '\xD0', '\xB7', '\xD0', '\xBE', '\xD1', '\x81', /* хпншезос */ '\0', - 'x', 'z', 'r', 'o', 'e', 's', 'c', /* xzroesc */ + '\xD1', '\x80', '\xD1', '\x83', '\xD1', '\x84', /* руф */ '\0', - 'p', 'q', 'g', 'j', 'y', /* pqgjy */ + '\xE0', '\xA4', '\x95', '\xE0', '\xA4', '\xAE', '\xE0', '\xA4', '\x85', '\xE0', '\xA4', '\x86', '\xE0', '\xA4', '\xA5', '\xE0', '\xA4', '\xA7', '\xE0', '\xA4', '\xAD', '\xE0', '\xA4', '\xB6', /* क म अ आ थ ध भ श */ + '\0', + '\xE0', '\xA4', '\x88', '\xE0', '\xA4', '\x90', '\xE0', '\xA4', '\x93', '\xE0', '\xA4', '\x94', '\xE0', '\xA4', '\xBF', '\xE0', '\xA5', '\x80', '\xE0', '\xA5', '\x8B', '\xE0', '\xA5', '\x8C', /* ई ऐ ओ औ ि ी ो ौ */ + '\0', + '\xE0', '\xA4', '\x95', '\xE0', '\xA4', '\xAE', '\xE0', '\xA4', '\x85', '\xE0', '\xA4', '\x86', '\xE0', '\xA4', '\xA5', '\xE0', '\xA4', '\xA7', '\xE0', '\xA4', '\xAD', '\xE0', '\xA4', '\xB6', /* क म अ आ थ ध भ श */ + '\0', + '\xE0', '\xA5', '\x81', '\xE0', '\xA5', '\x83', /* ु ृ */ '\0', '\xCE', '\x93', '\xCE', '\x92', '\xCE', '\x95', '\xCE', '\x96', '\xCE', '\x98', '\xCE', '\x9F', '\xCE', '\xA9', /* ΓΒΕΖΘΟΩ */ '\0', @@ -46,26 +52,31 @@ '\0', '\xCE', '\xB2', '\xCE', '\xB3', '\xCE', '\xB7', '\xCE', '\xBC', '\xCF', '\x81', '\xCF', '\x86', '\xCF', '\x87', '\xCF', '\x88', /* βγημρφχψ */ '\0', - '\xD0', '\x91', '\xD0', '\x92', '\xD0', '\x95', '\xD0', '\x9F', '\xD0', '\x97', '\xD0', '\x9E', '\xD0', '\xA1', '\xD0', '\xAD', /* БВЕПЗОСЭ */ + '\xD7', '\x91', '\xD7', '\x93', '\xD7', '\x94', '\xD7', '\x97', '\xD7', '\x9A', '\xD7', '\x9B', '\xD7', '\x9D', '\xD7', '\xA1', /* בדהחךכםס */ '\0', - '\xD0', '\x91', '\xD0', '\x92', '\xD0', '\x95', '\xD0', '\xA8', '\xD0', '\x97', '\xD0', '\x9E', '\xD0', '\xA1', '\xD0', '\xAD', /* БВЕШЗОСЭ */ + '\xD7', '\x91', '\xD7', '\x98', '\xD7', '\x9B', '\xD7', '\x9D', '\xD7', '\xA1', '\xD7', '\xA6', /* בטכםסצ */ '\0', - '\xD1', '\x85', '\xD0', '\xBF', '\xD0', '\xBD', '\xD1', '\x88', '\xD0', '\xB5', '\xD0', '\xB7', '\xD0', '\xBE', '\xD1', '\x81', /* хпншезос */ + '\xD7', '\xA7', '\xD7', '\x9A', '\xD7', '\x9F', '\xD7', '\xA3', '\xD7', '\xA5', /* קךןףץ */ '\0', - '\xD1', '\x80', '\xD1', '\x83', '\xD1', '\x84', /* руф */ + 'T', 'H', 'E', 'Z', 'O', 'C', 'Q', 'S', /* THEZOCQS */ '\0', - '\xD7', '\x91', '\xD7', '\x93', '\xD7', '\x94', '\xD7', '\x97', '\xD7', '\x9A', '\xD7', '\x9B', '\xD7', '\x9D', '\xD7', '\xA1', /* בדהחךכםס */ + 'H', 'E', 'Z', 'L', 'O', 'C', 'U', 'S', /* HEZLOCUS */ '\0', - '\xD7', '\x91', '\xD7', '\x98', '\xD7', '\x9B', '\xD7', '\x9D', '\xD7', '\xA1', '\xD7', '\xA6', /* בטכםסצ */ + 'f', 'i', 'j', 'k', 'd', 'b', 'h', /* fijkdbh */ '\0', - '\xD7', '\xA7', '\xD7', '\x9A', '\xD7', '\x9F', '\xD7', '\xA3', '\xD7', '\xA5', /* קךןףץ */ + 'x', 'z', 'r', 'o', 'e', 's', 'c', /* xzroesc */ + '\0', + 'p', 'q', 'g', 'j', 'y', /* pqgjy */ + '\0', + '\xE0', '\xB0', '\x87', '\xE0', '\xB0', '\x8C', '\xE0', '\xB0', '\x99', '\xE0', '\xB0', '\x9E', '\xE0', '\xB0', '\xA3', '\xE0', '\xB0', '\xB1', '\xE0', '\xB1', '\xAF', /* ఇ ఌ ఙ ఞ ణ ఱ ౯ */ + '\0', + '\xE0', '\xB0', '\x85', '\xE0', '\xB0', '\x95', '\xE0', '\xB0', '\x9A', '\xE0', '\xB0', '\xB0', '\xE0', '\xB0', '\xBD', '\xE0', '\xB1', '\xA8', '\xE0', '\xB1', '\xAC', /* అ క చ ర ఽ ౨ ౬ */ #ifdef AF_CONFIG_OPTION_CJK '\0', '\xE4', '\xBB', '\x96', '\xE4', '\xBB', '\xAC', '\xE4', '\xBD', '\xA0', '\xE4', '\xBE', '\x86', '\xE5', '\x80', '\x91', '\xE5', '\x88', '\xB0', '\xE5', '\x92', '\x8C', '\xE5', '\x9C', '\xB0', /* 他们你來們到和地 */ '\xE5', '\xAF', '\xB9', '\xE5', '\xB0', '\x8D', '\xE5', '\xB0', '\xB1', '\xE5', '\xB8', '\xAD', '\xE6', '\x88', '\x91', '\xE6', '\x97', '\xB6', '\xE6', '\x99', '\x82', '\xE6', '\x9C', '\x83', /* 对對就席我时時會 */ '\xE6', '\x9D', '\xA5', '\xE7', '\x82', '\xBA', '\xE8', '\x83', '\xBD', '\xE8', '\x88', '\xB0', '\xE8', '\xAA', '\xAA', '\xE8', '\xAF', '\xB4', '\xE8', '\xBF', '\x99', '\xE9', '\x80', '\x99', /* 来為能舰說说这這 */ - '\xE9', '\xBD', '\x8A', /* 齊 */ - '\0', + '\xE9', '\xBD', '\x8A', '|', /* 齊 | */ '\xE5', '\x86', '\x9B', '\xE5', '\x90', '\x8C', '\xE5', '\xB7', '\xB2', '\xE6', '\x84', '\xBF', '\xE6', '\x97', '\xA2', '\xE6', '\x98', '\x9F', '\xE6', '\x98', '\xAF', '\xE6', '\x99', '\xAF', /* 军同已愿既星是景 */ '\xE6', '\xB0', '\x91', '\xE7', '\x85', '\xA7', '\xE7', '\x8E', '\xB0', '\xE7', '\x8F', '\xBE', '\xE7', '\x90', '\x86', '\xE7', '\x94', '\xA8', '\xE7', '\xBD', '\xAE', '\xE8', '\xA6', '\x81', /* 民照现現理用置要 */ '\xE8', '\xBB', '\x8D', '\xE9', '\x82', '\xA3', '\xE9', '\x85', '\x8D', '\xE9', '\x87', '\x8C', '\xE9', '\x96', '\x8B', '\xE9', '\x9B', '\xB7', '\xE9', '\x9C', '\xB2', '\xE9', '\x9D', '\xA2', /* 軍那配里開雷露面 */ @@ -74,8 +85,7 @@ '\xE4', '\xB8', '\xAA', '\xE4', '\xB8', '\xBA', '\xE4', '\xBA', '\xBA', '\xE4', '\xBB', '\x96', '\xE4', '\xBB', '\xA5', '\xE4', '\xBB', '\xAC', '\xE4', '\xBD', '\xA0', '\xE4', '\xBE', '\x86', /* 个为人他以们你來 */ '\xE5', '\x80', '\x8B', '\xE5', '\x80', '\x91', '\xE5', '\x88', '\xB0', '\xE5', '\x92', '\x8C', '\xE5', '\xA4', '\xA7', '\xE5', '\xAF', '\xB9', '\xE5', '\xB0', '\x8D', '\xE5', '\xB0', '\xB1', /* 個們到和大对對就 */ '\xE6', '\x88', '\x91', '\xE6', '\x97', '\xB6', '\xE6', '\x99', '\x82', '\xE6', '\x9C', '\x89', '\xE6', '\x9D', '\xA5', '\xE7', '\x82', '\xBA', '\xE8', '\xA6', '\x81', '\xE8', '\xAA', '\xAA', /* 我时時有来為要說 */ - '\xE8', '\xAF', '\xB4', /* 说 */ - '\0', + '\xE8', '\xAF', '\xB4', '|', /* 说 | */ '\xE4', '\xB8', '\xBB', '\xE4', '\xBA', '\x9B', '\xE5', '\x9B', '\xA0', '\xE5', '\xAE', '\x83', '\xE6', '\x83', '\xB3', '\xE6', '\x84', '\x8F', '\xE7', '\x90', '\x86', '\xE7', '\x94', '\x9F', /* 主些因它想意理生 */ '\xE7', '\x95', '\xB6', '\xE7', '\x9C', '\x8B', '\xE7', '\x9D', '\x80', '\xE7', '\xBD', '\xAE', '\xE8', '\x80', '\x85', '\xE8', '\x87', '\xAA', '\xE8', '\x91', '\x97', '\xE8', '\xA3', '\xA1', /* 當看着置者自著裡 */ '\xE8', '\xBF', '\x87', '\xE8', '\xBF', '\x98', '\xE8', '\xBF', '\x9B', '\xE9', '\x80', '\xB2', '\xE9', '\x81', '\x8E', '\xE9', '\x81', '\x93', '\xE9', '\x82', '\x84', '\xE9', '\x87', '\x8C', /* 过还进進過道還里 */ @@ -85,8 +95,7 @@ '\xE4', '\xBA', '\x9B', '\xE4', '\xBB', '\xAC', '\xE4', '\xBD', '\xA0', '\xE4', '\xBE', '\x86', '\xE5', '\x80', '\x91', '\xE5', '\x88', '\xB0', '\xE5', '\x92', '\x8C', '\xE5', '\x9C', '\xB0', /* 些们你來們到和地 */ '\xE5', '\xA5', '\xB9', '\xE5', '\xB0', '\x86', '\xE5', '\xB0', '\x87', '\xE5', '\xB0', '\xB1', '\xE5', '\xB9', '\xB4', '\xE5', '\xBE', '\x97', '\xE6', '\x83', '\x85', '\xE6', '\x9C', '\x80', /* 她将將就年得情最 */ '\xE6', '\xA0', '\xB7', '\xE6', '\xA8', '\xA3', '\xE7', '\x90', '\x86', '\xE8', '\x83', '\xBD', '\xE8', '\xAA', '\xAA', '\xE8', '\xAF', '\xB4', '\xE8', '\xBF', '\x99', '\xE9', '\x80', '\x99', /* 样樣理能說说这這 */ - '\xE9', '\x80', '\x9A', /* 通 */ - '\0', + '\xE9', '\x80', '\x9A', '|', /* 通 | */ '\xE5', '\x8D', '\xB3', '\xE5', '\x90', '\x97', '\xE5', '\x90', '\xA7', '\xE5', '\x90', '\xAC', '\xE5', '\x91', '\xA2', '\xE5', '\x93', '\x81', '\xE5', '\x93', '\x8D', '\xE5', '\x97', '\x8E', /* 即吗吧听呢品响嗎 */ '\xE5', '\xB8', '\x88', '\xE5', '\xB8', '\xAB', '\xE6', '\x94', '\xB6', '\xE6', '\x96', '\xAD', '\xE6', '\x96', '\xB7', '\xE6', '\x98', '\x8E', '\xE7', '\x9C', '\xBC', '\xE9', '\x96', '\x93', /* 师師收断斷明眼間 */ '\xE9', '\x97', '\xB4', '\xE9', '\x99', '\x85', '\xE9', '\x99', '\x88', '\xE9', '\x99', '\x90', '\xE9', '\x99', '\xA4', '\xE9', '\x99', '\xB3', '\xE9', '\x9A', '\x8F', '\xE9', '\x9A', '\x9B', /* 间际陈限除陳随際 */ @@ -95,8 +104,7 @@ '\xE4', '\xBA', '\x8B', '\xE5', '\x89', '\x8D', '\xE5', '\xAD', '\xB8', '\xE5', '\xB0', '\x86', '\xE5', '\xB0', '\x87', '\xE6', '\x83', '\x85', '\xE6', '\x83', '\xB3', '\xE6', '\x88', '\x96', /* 事前學将將情想或 */ '\xE6', '\x94', '\xBF', '\xE6', '\x96', '\xAF', '\xE6', '\x96', '\xB0', '\xE6', '\xA0', '\xB7', '\xE6', '\xA8', '\xA3', '\xE6', '\xB0', '\x91', '\xE6', '\xB2', '\x92', '\xE6', '\xB2', '\xA1', /* 政斯新样樣民沒没 */ '\xE7', '\x84', '\xB6', '\xE7', '\x89', '\xB9', '\xE7', '\x8E', '\xB0', '\xE7', '\x8F', '\xBE', '\xE7', '\x90', '\x83', '\xE7', '\xAC', '\xAC', '\xE7', '\xB6', '\x93', '\xE8', '\xB0', '\x81', /* 然特现現球第經谁 */ - '\xE8', '\xB5', '\xB7', /* 起 */ - '\0', + '\xE8', '\xB5', '\xB7', '|', /* 起 | */ '\xE4', '\xBE', '\x8B', '\xE5', '\x88', '\xA5', '\xE5', '\x88', '\xAB', '\xE5', '\x88', '\xB6', '\xE5', '\x8A', '\xA8', '\xE5', '\x8B', '\x95', '\xE5', '\x90', '\x97', '\xE5', '\x97', '\x8E', /* 例別别制动動吗嗎 */ '\xE5', '\xA2', '\x9E', '\xE6', '\x8C', '\x87', '\xE6', '\x98', '\x8E', '\xE6', '\x9C', '\x9D', '\xE6', '\x9C', '\x9F', '\xE6', '\x9E', '\x84', '\xE7', '\x89', '\xA9', '\xE7', '\xA1', '\xAE', /* 增指明朝期构物确 */ '\xE7', '\xA7', '\x8D', '\xE8', '\xAA', '\xBF', '\xE8', '\xB0', '\x83', '\xE8', '\xB2', '\xBB', '\xE8', '\xB4', '\xB9', '\xE9', '\x82', '\xA3', '\xE9', '\x83', '\xBD', '\xE9', '\x96', '\x93', /* 种調调費费那都間 */ @@ -113,14 +121,21 @@ af_blue_stringsets[] = { /* */ - { AF_BLUE_STRING_LATIN_CAPITAL_TOP, AF_BLUE_PROPERTY_LATIN_TOP }, - { AF_BLUE_STRING_LATIN_CAPITAL_BOTTOM, 0 }, - { AF_BLUE_STRING_LATIN_SMALL_F_TOP, AF_BLUE_PROPERTY_LATIN_TOP }, - { AF_BLUE_STRING_LATIN_SMALL, AF_BLUE_PROPERTY_LATIN_TOP | - AF_BLUE_PROPERTY_LATIN_X_HEIGHT }, - { AF_BLUE_STRING_LATIN_SMALL, 0 }, - { AF_BLUE_STRING_LATIN_SMALL_DESCENDER, 0 }, - { AF_BLUE_STRING_MAX, 0 }, + { AF_BLUE_STRING_CYRILLIC_CAPITAL_TOP, AF_BLUE_PROPERTY_LATIN_TOP }, + { AF_BLUE_STRING_CYRILLIC_CAPITAL_BOTTOM, 0 }, + { AF_BLUE_STRING_CYRILLIC_SMALL, AF_BLUE_PROPERTY_LATIN_TOP | + AF_BLUE_PROPERTY_LATIN_X_HEIGHT }, + { AF_BLUE_STRING_CYRILLIC_SMALL, 0 }, + { AF_BLUE_STRING_CYRILLIC_SMALL_DESCENDER, 0 }, + { AF_BLUE_STRING_MAX, 0 }, + { AF_BLUE_STRING_DEVANAGARI_TOP, AF_BLUE_PROPERTY_LATIN_TOP }, + { AF_BLUE_STRING_DEVANAGARI_HEAD, AF_BLUE_PROPERTY_LATIN_TOP }, + { AF_BLUE_STRING_DEVANAGARI_BASE, AF_BLUE_PROPERTY_LATIN_TOP | + AF_BLUE_PROPERTY_LATIN_NEUTRAL | + AF_BLUE_PROPERTY_LATIN_X_HEIGHT }, + { AF_BLUE_STRING_DEVANAGARI_BASE, 0 }, + { AF_BLUE_STRING_DEVANAGARI_BOTTOM, 0 }, + { AF_BLUE_STRING_MAX, 0 }, { AF_BLUE_STRING_GREEK_CAPITAL_TOP, AF_BLUE_PROPERTY_LATIN_TOP }, { AF_BLUE_STRING_GREEK_CAPITAL_BOTTOM, 0 }, { AF_BLUE_STRING_GREEK_SMALL_BETA_TOP, AF_BLUE_PROPERTY_LATIN_TOP }, @@ -129,35 +144,31 @@ { AF_BLUE_STRING_GREEK_SMALL, 0 }, { AF_BLUE_STRING_GREEK_SMALL_DESCENDER, 0 }, { AF_BLUE_STRING_MAX, 0 }, - { AF_BLUE_STRING_CYRILLIC_CAPITAL_TOP, AF_BLUE_PROPERTY_LATIN_TOP }, - { AF_BLUE_STRING_CYRILLIC_CAPITAL_BOTTOM, 0 }, - { AF_BLUE_STRING_CYRILLIC_SMALL, AF_BLUE_PROPERTY_LATIN_TOP | - AF_BLUE_PROPERTY_LATIN_X_HEIGHT }, - { AF_BLUE_STRING_CYRILLIC_SMALL, 0 }, - { AF_BLUE_STRING_CYRILLIC_SMALL_DESCENDER, 0 }, - { AF_BLUE_STRING_MAX, 0 }, { AF_BLUE_STRING_HEBREW_TOP, AF_BLUE_PROPERTY_LATIN_TOP | AF_BLUE_PROPERTY_LATIN_LONG }, { AF_BLUE_STRING_HEBREW_BOTTOM, 0 }, { AF_BLUE_STRING_HEBREW_DESCENDER, 0 }, { AF_BLUE_STRING_MAX, 0 }, + { AF_BLUE_STRING_LATIN_CAPITAL_TOP, AF_BLUE_PROPERTY_LATIN_TOP }, + { AF_BLUE_STRING_LATIN_CAPITAL_BOTTOM, 0 }, + { AF_BLUE_STRING_LATIN_SMALL_F_TOP, AF_BLUE_PROPERTY_LATIN_TOP }, + { AF_BLUE_STRING_LATIN_SMALL, AF_BLUE_PROPERTY_LATIN_TOP | + AF_BLUE_PROPERTY_LATIN_X_HEIGHT }, + { AF_BLUE_STRING_LATIN_SMALL, 0 }, + { AF_BLUE_STRING_LATIN_SMALL_DESCENDER, 0 }, + { AF_BLUE_STRING_MAX, 0 }, + { AF_BLUE_STRING_TELUGU_TOP, AF_BLUE_PROPERTY_LATIN_TOP }, + { AF_BLUE_STRING_TELUGU_BOTTOM, 0 }, + { AF_BLUE_STRING_MAX, 0 }, #ifdef AF_CONFIG_OPTION_CJK - { AF_BLUE_STRING_CJK_TOP_FILL, AF_BLUE_PROPERTY_CJK_TOP | - AF_BLUE_PROPERTY_CJK_FILL }, - { AF_BLUE_STRING_CJK_TOP_UNFILL, AF_BLUE_PROPERTY_CJK_TOP }, - { AF_BLUE_STRING_CJK_BOTTOM_FILL, AF_BLUE_PROPERTY_CJK_FILL }, - { AF_BLUE_STRING_CJK_BOTTOM_UNFILL, 0 }, + { AF_BLUE_STRING_CJK_TOP, AF_BLUE_PROPERTY_CJK_TOP }, + { AF_BLUE_STRING_CJK_BOTTOM, 0 }, #ifdef AF_CONFIG_OPTION_CJK_BLUE_HANI_VERT - { AF_BLUE_STRING_CJK_LEFT_FILL, AF_BLUE_PROPERTY_CJK_HORIZ | - AF_BLUE_PROPERTY_CJK_FILL }, - { AF_BLUE_STRING_CJK_LEFT_UNFILL, AF_BLUE_PROPERTY_CJK_HORIZ }, - { AF_BLUE_STRING_CJK_RIGHT_FILL, AF_BLUE_PROPERTY_CJK_HORIZ | - AF_BLUE_PROPERTY_CJK_RIGHT | - AF_BLUE_PROPERTY_CJK_FILL }, - { AF_BLUE_STRING_CJK_RIGHT_UNFILL, AF_BLUE_PROPERTY_CJK_HORIZ | - AF_BLUE_PROPERTY_CJK_RIGHT }, + { AF_BLUE_STRING_CJK_LEFT, AF_BLUE_PROPERTY_CJK_HORIZ }, + { AF_BLUE_STRING_CJK_RIGHT, AF_BLUE_PROPERTY_CJK_HORIZ | + AF_BLUE_PROPERTY_CJK_RIGHT }, #endif /* AF_CONFIG_OPTION_CJK_BLUE_HANI_VERT */ - { AF_BLUE_STRING_MAX, 0 }, + { AF_BLUE_STRING_MAX, 0 }, #endif /* AF_CONFIG_OPTION_CJK */ }; diff --git a/freetype/src/autofit/afblue.dat b/freetype/src/autofit/afblue.dat index d488f3fae..3f98c13b2 100644 --- a/freetype/src/autofit/afblue.dat +++ b/freetype/src/autofit/afblue.dat @@ -2,7 +2,7 @@ // // Auto-fitter data for blue strings. // -// Copyright 2013 by +// Copyright 2013, 2014 by // David Turner, Robert Wilhelm, and Werner Lemberg. // // This file is part of the FreeType project, and may only be used, @@ -34,11 +34,11 @@ // using C syntax. There can be only one string per line, thus the // starting and ending double quote must be the first and last character // in the line, respectively, ignoring whitespace before and after the -// string. If there are multiple strings (in multiple lines), they are -// concatenated to a single string. In the output, a string gets -// represented as a series of singles bytes, followed by a zero byte. The -// enumeration values simply hold byte offsets to the start of the -// corresponding strings. +// string. Space characters within the string are ignored too. If there +// are multiple strings (in multiple lines), they are concatenated to a +// single string. In the output, a string gets represented as a series of +// singles bytes, followed by a zero byte. The enumeration values simply +// hold byte offsets to the start of the corresponding strings. // // - Data blocks enclosed in balanced braces, which get copied verbatim and // which can span multiple lines. The opening brace of a block must be @@ -63,18 +63,32 @@ // characters, not bytes. +// The blue zone string data, to be used in the blue stringsets below. + AF_BLUE_STRING_ENUM AF_BLUE_STRINGS_ARRAY AF_BLUE_STRING_MAX_LEN: - AF_BLUE_STRING_LATIN_CAPITAL_TOP - "THEZOCQS" - AF_BLUE_STRING_LATIN_CAPITAL_BOTTOM - "HEZLOCUS" - AF_BLUE_STRING_LATIN_SMALL_F_TOP - "fijkdbh" - AF_BLUE_STRING_LATIN_SMALL - "xzroesc" - AF_BLUE_STRING_LATIN_SMALL_DESCENDER - "pqgjy" + AF_BLUE_STRING_CYRILLIC_CAPITAL_TOP + "БВЕПЗОСЭ" + AF_BLUE_STRING_CYRILLIC_CAPITAL_BOTTOM + "БВЕШЗОСЭ" + AF_BLUE_STRING_CYRILLIC_SMALL + "хпншезос" + AF_BLUE_STRING_CYRILLIC_SMALL_DESCENDER + "руф" + + // we separate the letters with spaces to avoid ligatures; + // this is just for convenience to simplify reading + AF_BLUE_STRING_DEVANAGARI_BASE + "क म अ आ थ ध भ श" + AF_BLUE_STRING_DEVANAGARI_TOP + "ई ऐ ओ औ ि ी ो ौ" + // note that some fonts have extreme variation in the height of the + // round head elements; for this reason we also define the `base' + // blue zone, which must be always present + AF_BLUE_STRING_DEVANAGARI_HEAD + "क म अ आ थ ध भ श" + AF_BLUE_STRING_DEVANAGARI_BOTTOM + "ु ृ" AF_BLUE_STRING_GREEK_CAPITAL_TOP "ΓΒΕΖΘΟΩ" @@ -87,15 +101,6 @@ AF_BLUE_STRING_ENUM AF_BLUE_STRINGS_ARRAY AF_BLUE_STRING_MAX_LEN: AF_BLUE_STRING_GREEK_SMALL_DESCENDER "βγημρφχψ" - AF_BLUE_STRING_CYRILLIC_CAPITAL_TOP - "БВЕПЗОСЭ" - AF_BLUE_STRING_CYRILLIC_CAPITAL_BOTTOM - "БВЕШЗОСЭ" - AF_BLUE_STRING_CYRILLIC_SMALL - "хпншезос" - AF_BLUE_STRING_CYRILLIC_SMALL_DESCENDER - "руф" - AF_BLUE_STRING_HEBREW_TOP "בדהחךכםס" AF_BLUE_STRING_HEBREW_BOTTOM @@ -103,24 +108,41 @@ AF_BLUE_STRING_ENUM AF_BLUE_STRINGS_ARRAY AF_BLUE_STRING_MAX_LEN: AF_BLUE_STRING_HEBREW_DESCENDER "קךןףץ" + AF_BLUE_STRING_LATIN_CAPITAL_TOP + "THEZOCQS" + AF_BLUE_STRING_LATIN_CAPITAL_BOTTOM + "HEZLOCUS" + AF_BLUE_STRING_LATIN_SMALL_F_TOP + "fijkdbh" + AF_BLUE_STRING_LATIN_SMALL + "xzroesc" + AF_BLUE_STRING_LATIN_SMALL_DESCENDER + "pqgjy" + + // we separate the letters with spaces to avoid ligatures; + // this is just for convenience to simplify reading + AF_BLUE_STRING_TELUGU_TOP + "ఇ ఌ ఙ ఞ ణ ఱ ౯" + + AF_BLUE_STRING_TELUGU_BOTTOM + "అ క చ ర ఽ ౨ ౬" + #ifdef AF_CONFIG_OPTION_CJK - AF_BLUE_STRING_CJK_TOP_FILL + AF_BLUE_STRING_CJK_TOP "他们你來們到和地" "对對就席我时時會" "来為能舰說说这這" - "齊" - AF_BLUE_STRING_CJK_TOP_UNFILL + "齊 |" "军同已愿既星是景" "民照现現理用置要" "軍那配里開雷露面" "顾" - AF_BLUE_STRING_CJK_BOTTOM_FILL + AF_BLUE_STRING_CJK_BOTTOM "个为人他以们你來" "個們到和大对對就" "我时時有来為要說" - "说" - AF_BLUE_STRING_CJK_BOTTOM_UNFILL + "说 |" "主些因它想意理生" "當看着置者自著裡" "过还进進過道還里" @@ -128,22 +150,20 @@ AF_BLUE_STRING_ENUM AF_BLUE_STRINGS_ARRAY AF_BLUE_STRING_MAX_LEN: #ifdef AF_CONFIG_OPTION_CJK_BLUE_HANI_VERT - AF_BLUE_STRING_CJK_LEFT_FILL + AF_BLUE_STRING_CJK_LEFT "些们你來們到和地" "她将將就年得情最" "样樣理能說说这這" - "通" - AF_BLUE_STRING_CJK_LEFT_UNFILL + "通 |" "即吗吧听呢品响嗎" "师師收断斷明眼間" "间际陈限除陳随際" "隨" - AF_BLUE_STRING_CJK_RIGHT_FILL + AF_BLUE_STRING_CJK_RIGHT "事前學将將情想或" "政斯新样樣民沒没" "然特现現球第經谁" - "起" - AF_BLUE_STRING_CJK_RIGHT_UNFILL + "起 |" "例別别制动動吗嗎" "增指明朝期构物确" "种調调費费那都間" @@ -154,17 +174,118 @@ AF_BLUE_STRING_ENUM AF_BLUE_STRINGS_ARRAY AF_BLUE_STRING_MAX_LEN: #endif /* AF_CONFIG_OPTION_CJK */ +// The blue zone stringsets, as used in the script styles, cf. `afstyles.h'. +// +// The AF_BLUE_PROPERTY_XXX flags are defined in `afblue.h'; here some +// explanations. +// +// A blue zone in general is defined by a reference and an overshoot line. +// During the hinting process, all coordinate values between those two lines +// are set equal to the reference value, provided that the blue zone is not +// wider than 0.75 pixels (otherwise the blue zone gets ignored). All +// entries must have `AF_BLUE_STRING_MAX' as the final line. +// +// During the glyph analysis, edges are sorted from bottom to top, and then +// sequentially checked, edge by edge, against the blue zones in the order +// given below. +// +// +// latin auto-hinter +// ----------------- +// +// Characters in a blue string are automatically classified as having a flat +// (reference) or a round (overshoot) extremum. The blue zone is then set +// up by the mean values of all flat extrema and all round extrema, +// respectively. Only horizontal blue zones (i.e., adjusting vertical +// coordinate values) are supported. +// +// For the latin auto-hinter, the overshoot should be larger than the +// reference for top zones, and vice versa for bottom zones. +// +// LATIN_TOP +// Take the maximum flat and round coordinate values of the blue string +// characters for computing the blue zone's reference and overshoot +// values. +// +// If not set, take the minimum values. +// +// LATIN_NEUTRAL +// Ignore round extrema and define the blue zone with flat values only. +// Both top and bottom of contours can match. This is useful for +// scripts like Devanagari where vowel signs attach to the base +// character and are implemented as components of composite glyphs. +// +// If not set, both round and flat extrema are taken into account. +// Additionally, only the top or the bottom of a contour can match, +// depending on the LATIN_TOP flag. +// +// Neutral blue zones should always follow non-neutral blue zones. +// +// LATIN_X_HEIGHT +// Scale all glyphs vertically from the corresponding script to make the +// reference line of this blue zone align on the grid. The scaling +// takes place before all other blue zones get aligned to the grid. +// Only one blue character string of a script style can have this flag. +// +// LATIN_LONG +// Apply an additional constraint for blue zone values: Don't +// necessarily use the extremum as-is but a segment of the topmost (or +// bottommost) contour that is longer than a heuristic threshold, and +// which is not too far away vertically from the real extremum. This +// ensures that small bumps in the outline are ignored (for example, the +// `vertical serifs' found in many Hebrew glyph designs). +// +// The segment must be at least EM/25 font units long, and the distance +// to the extremum must be smaller than EM/4. +// +// +// cjk auto-hinter +// --------------- +// +// Characters in a blue string are *not* automatically classified. Instead, +// first come the characters used for the overshoot value, then the +// character `|', then the characters used for the reference value. The +// blue zone is then set up by the mean values of all reference values and +// all overshoot values, respectively. Both horizontal and vertical blue +// zones (i.e., adjusting vertical and horizontal coordinate values, +// respectively) are supported. +// +// For the cjk auto-hinter, the overshoot should be smaller than the +// reference for top zones, and vice versa for bottom zones. +// +// CJK_TOP +// Take the maximum flat and round coordinate values of the blue string +// characters. If not set, take the minimum values. +// +// CJK_RIGHT +// A synonym for CJK_TOP. If CJK_HORIZ is set, this flag indicates the +// right blue zone, taking horizontal maximum values. +// +// CJK_HORIZ +// Define a blue zone for horizontal hinting (i.e., vertical blue +// zones). If not set, this is a blue zone for vertical hinting. + + AF_BLUE_STRINGSET_ENUM AF_BLUE_STRINGSETS_ARRAY AF_BLUE_STRINGSET_MAX_LEN: - AF_BLUE_STRINGSET_LATN - { AF_BLUE_STRING_LATIN_CAPITAL_TOP, AF_BLUE_PROPERTY_LATIN_TOP } - { AF_BLUE_STRING_LATIN_CAPITAL_BOTTOM, 0 } - { AF_BLUE_STRING_LATIN_SMALL_F_TOP, AF_BLUE_PROPERTY_LATIN_TOP } - { AF_BLUE_STRING_LATIN_SMALL, AF_BLUE_PROPERTY_LATIN_TOP | - AF_BLUE_PROPERTY_LATIN_X_HEIGHT } - { AF_BLUE_STRING_LATIN_SMALL, 0 } - { AF_BLUE_STRING_LATIN_SMALL_DESCENDER, 0 } - { AF_BLUE_STRING_MAX, 0 } + AF_BLUE_STRINGSET_CYRL + { AF_BLUE_STRING_CYRILLIC_CAPITAL_TOP, AF_BLUE_PROPERTY_LATIN_TOP } + { AF_BLUE_STRING_CYRILLIC_CAPITAL_BOTTOM, 0 } + { AF_BLUE_STRING_CYRILLIC_SMALL, AF_BLUE_PROPERTY_LATIN_TOP | + AF_BLUE_PROPERTY_LATIN_X_HEIGHT } + { AF_BLUE_STRING_CYRILLIC_SMALL, 0 } + { AF_BLUE_STRING_CYRILLIC_SMALL_DESCENDER, 0 } + { AF_BLUE_STRING_MAX, 0 } + + AF_BLUE_STRINGSET_DEVA + { AF_BLUE_STRING_DEVANAGARI_TOP, AF_BLUE_PROPERTY_LATIN_TOP } + { AF_BLUE_STRING_DEVANAGARI_HEAD, AF_BLUE_PROPERTY_LATIN_TOP } + { AF_BLUE_STRING_DEVANAGARI_BASE, AF_BLUE_PROPERTY_LATIN_TOP | + AF_BLUE_PROPERTY_LATIN_NEUTRAL | + AF_BLUE_PROPERTY_LATIN_X_HEIGHT } + { AF_BLUE_STRING_DEVANAGARI_BASE, 0 } + { AF_BLUE_STRING_DEVANAGARI_BOTTOM, 0 } + { AF_BLUE_STRING_MAX, 0 } AF_BLUE_STRINGSET_GREK { AF_BLUE_STRING_GREEK_CAPITAL_TOP, AF_BLUE_PROPERTY_LATIN_TOP } @@ -176,15 +297,6 @@ AF_BLUE_STRINGSET_ENUM AF_BLUE_STRINGSETS_ARRAY AF_BLUE_STRINGSET_MAX_LEN: { AF_BLUE_STRING_GREEK_SMALL_DESCENDER, 0 } { AF_BLUE_STRING_MAX, 0 } - AF_BLUE_STRINGSET_CYRL - { AF_BLUE_STRING_CYRILLIC_CAPITAL_TOP, AF_BLUE_PROPERTY_LATIN_TOP } - { AF_BLUE_STRING_CYRILLIC_CAPITAL_BOTTOM, 0 } - { AF_BLUE_STRING_CYRILLIC_SMALL, AF_BLUE_PROPERTY_LATIN_TOP | - AF_BLUE_PROPERTY_LATIN_X_HEIGHT } - { AF_BLUE_STRING_CYRILLIC_SMALL, 0 } - { AF_BLUE_STRING_CYRILLIC_SMALL_DESCENDER, 0 } - { AF_BLUE_STRING_MAX, 0 } - AF_BLUE_STRINGSET_HEBR { AF_BLUE_STRING_HEBREW_TOP, AF_BLUE_PROPERTY_LATIN_TOP | AF_BLUE_PROPERTY_LATIN_LONG } @@ -192,25 +304,32 @@ AF_BLUE_STRINGSET_ENUM AF_BLUE_STRINGSETS_ARRAY AF_BLUE_STRINGSET_MAX_LEN: { AF_BLUE_STRING_HEBREW_DESCENDER, 0 } { AF_BLUE_STRING_MAX, 0 } + AF_BLUE_STRINGSET_LATN + { AF_BLUE_STRING_LATIN_CAPITAL_TOP, AF_BLUE_PROPERTY_LATIN_TOP } + { AF_BLUE_STRING_LATIN_CAPITAL_BOTTOM, 0 } + { AF_BLUE_STRING_LATIN_SMALL_F_TOP, AF_BLUE_PROPERTY_LATIN_TOP } + { AF_BLUE_STRING_LATIN_SMALL, AF_BLUE_PROPERTY_LATIN_TOP | + AF_BLUE_PROPERTY_LATIN_X_HEIGHT } + { AF_BLUE_STRING_LATIN_SMALL, 0 } + { AF_BLUE_STRING_LATIN_SMALL_DESCENDER, 0 } + { AF_BLUE_STRING_MAX, 0 } + + AF_BLUE_STRINGSET_TELU + { AF_BLUE_STRING_TELUGU_TOP, AF_BLUE_PROPERTY_LATIN_TOP } + { AF_BLUE_STRING_TELUGU_BOTTOM, 0 } + { AF_BLUE_STRING_MAX, 0 } + #ifdef AF_CONFIG_OPTION_CJK AF_BLUE_STRINGSET_HANI - { AF_BLUE_STRING_CJK_TOP_FILL, AF_BLUE_PROPERTY_CJK_TOP | - AF_BLUE_PROPERTY_CJK_FILL } - { AF_BLUE_STRING_CJK_TOP_UNFILL, AF_BLUE_PROPERTY_CJK_TOP } - { AF_BLUE_STRING_CJK_BOTTOM_FILL, AF_BLUE_PROPERTY_CJK_FILL } - { AF_BLUE_STRING_CJK_BOTTOM_UNFILL, 0 } + { AF_BLUE_STRING_CJK_TOP, AF_BLUE_PROPERTY_CJK_TOP } + { AF_BLUE_STRING_CJK_BOTTOM, 0 } #ifdef AF_CONFIG_OPTION_CJK_BLUE_HANI_VERT - { AF_BLUE_STRING_CJK_LEFT_FILL, AF_BLUE_PROPERTY_CJK_HORIZ | - AF_BLUE_PROPERTY_CJK_FILL } - { AF_BLUE_STRING_CJK_LEFT_UNFILL, AF_BLUE_PROPERTY_CJK_HORIZ } - { AF_BLUE_STRING_CJK_RIGHT_FILL, AF_BLUE_PROPERTY_CJK_HORIZ | - AF_BLUE_PROPERTY_CJK_RIGHT | - AF_BLUE_PROPERTY_CJK_FILL } - { AF_BLUE_STRING_CJK_RIGHT_UNFILL, AF_BLUE_PROPERTY_CJK_HORIZ | - AF_BLUE_PROPERTY_CJK_RIGHT } + { AF_BLUE_STRING_CJK_LEFT, AF_BLUE_PROPERTY_CJK_HORIZ } + { AF_BLUE_STRING_CJK_RIGHT, AF_BLUE_PROPERTY_CJK_HORIZ | + AF_BLUE_PROPERTY_CJK_RIGHT } #endif /* AF_CONFIG_OPTION_CJK_BLUE_HANI_VERT */ - { AF_BLUE_STRING_MAX, 0 } + { AF_BLUE_STRING_MAX, 0 } #endif /* AF_CONFIG_OPTION_CJK */ diff --git a/freetype/src/autofit/afblue.h b/freetype/src/autofit/afblue.h index 6f336abc0..a86184191 100644 --- a/freetype/src/autofit/afblue.h +++ b/freetype/src/autofit/afblue.h @@ -7,7 +7,7 @@ /* */ /* Auto-fitter data for blue strings (specification). */ /* */ -/* Copyright 2013 by */ +/* Copyright 2013, 2014 by */ /* David Turner, Robert Wilhelm, and Werner Lemberg. */ /* */ /* This file is part of the FreeType project, and may only be used, */ @@ -67,42 +67,44 @@ FT_BEGIN_HEADER /* At the bottommost level, we define strings for finding blue zones. */ -#define AF_BLUE_STRING_MAX_LEN 25 +#define AF_BLUE_STRING_MAX_LEN 51 /* The AF_Blue_String enumeration values are offsets into the */ /* `af_blue_strings' array. */ typedef enum AF_Blue_String_ { - AF_BLUE_STRING_LATIN_CAPITAL_TOP = 0, - AF_BLUE_STRING_LATIN_CAPITAL_BOTTOM = 9, - AF_BLUE_STRING_LATIN_SMALL_F_TOP = 18, - AF_BLUE_STRING_LATIN_SMALL = 26, - AF_BLUE_STRING_LATIN_SMALL_DESCENDER = 34, - AF_BLUE_STRING_GREEK_CAPITAL_TOP = 40, - AF_BLUE_STRING_GREEK_CAPITAL_BOTTOM = 55, - AF_BLUE_STRING_GREEK_SMALL_BETA_TOP = 68, - AF_BLUE_STRING_GREEK_SMALL = 81, - AF_BLUE_STRING_GREEK_SMALL_DESCENDER = 98, - AF_BLUE_STRING_CYRILLIC_CAPITAL_TOP = 115, - AF_BLUE_STRING_CYRILLIC_CAPITAL_BOTTOM = 132, - AF_BLUE_STRING_CYRILLIC_SMALL = 149, - AF_BLUE_STRING_CYRILLIC_SMALL_DESCENDER = 166, - AF_BLUE_STRING_HEBREW_TOP = 173, - AF_BLUE_STRING_HEBREW_BOTTOM = 190, - AF_BLUE_STRING_HEBREW_DESCENDER = 203, - af_blue_1_1 = 213, + AF_BLUE_STRING_CYRILLIC_CAPITAL_TOP = 0, + AF_BLUE_STRING_CYRILLIC_CAPITAL_BOTTOM = 17, + AF_BLUE_STRING_CYRILLIC_SMALL = 34, + AF_BLUE_STRING_CYRILLIC_SMALL_DESCENDER = 51, + AF_BLUE_STRING_DEVANAGARI_BASE = 58, + AF_BLUE_STRING_DEVANAGARI_TOP = 83, + AF_BLUE_STRING_DEVANAGARI_HEAD = 108, + AF_BLUE_STRING_DEVANAGARI_BOTTOM = 133, + AF_BLUE_STRING_GREEK_CAPITAL_TOP = 140, + AF_BLUE_STRING_GREEK_CAPITAL_BOTTOM = 155, + AF_BLUE_STRING_GREEK_SMALL_BETA_TOP = 168, + AF_BLUE_STRING_GREEK_SMALL = 181, + AF_BLUE_STRING_GREEK_SMALL_DESCENDER = 198, + AF_BLUE_STRING_HEBREW_TOP = 215, + AF_BLUE_STRING_HEBREW_BOTTOM = 232, + AF_BLUE_STRING_HEBREW_DESCENDER = 245, + AF_BLUE_STRING_LATIN_CAPITAL_TOP = 256, + AF_BLUE_STRING_LATIN_CAPITAL_BOTTOM = 265, + AF_BLUE_STRING_LATIN_SMALL_F_TOP = 274, + AF_BLUE_STRING_LATIN_SMALL = 282, + AF_BLUE_STRING_LATIN_SMALL_DESCENDER = 290, + AF_BLUE_STRING_TELUGU_TOP = 296, + AF_BLUE_STRING_TELUGU_BOTTOM = 318, + af_blue_1_1 = 339, #ifdef AF_CONFIG_OPTION_CJK - AF_BLUE_STRING_CJK_TOP_FILL = af_blue_1_1 + 1, - AF_BLUE_STRING_CJK_TOP_UNFILL = af_blue_1_1 + 77, - AF_BLUE_STRING_CJK_BOTTOM_FILL = af_blue_1_1 + 153, - AF_BLUE_STRING_CJK_BOTTOM_UNFILL = af_blue_1_1 + 229, + AF_BLUE_STRING_CJK_TOP = af_blue_1_1 + 1, + AF_BLUE_STRING_CJK_BOTTOM = af_blue_1_1 + 153, af_blue_1_1_1 = af_blue_1_1 + 304, #ifdef AF_CONFIG_OPTION_CJK_BLUE_HANI_VERT - AF_BLUE_STRING_CJK_LEFT_FILL = af_blue_1_1_1 + 1, - AF_BLUE_STRING_CJK_LEFT_UNFILL = af_blue_1_1_1 + 77, - AF_BLUE_STRING_CJK_RIGHT_FILL = af_blue_1_1_1 + 153, - AF_BLUE_STRING_CJK_RIGHT_UNFILL = af_blue_1_1_1 + 229, + AF_BLUE_STRING_CJK_LEFT = af_blue_1_1_1 + 1, + AF_BLUE_STRING_CJK_RIGHT = af_blue_1_1_1 + 153, af_blue_1_1_2 = af_blue_1_1_1 + 304, #else af_blue_1_1_2 = af_blue_1_1_1 + 0, @@ -136,33 +138,35 @@ FT_BEGIN_HEADER /* Properties are specific to a writing system. We assume that a given */ /* blue string can't be used in more than a single writing system, which */ /* is a safe bet. */ -#define AF_BLUE_PROPERTY_LATIN_TOP ( 1 << 0 ) -#define AF_BLUE_PROPERTY_LATIN_X_HEIGHT ( 1 << 1 ) -#define AF_BLUE_PROPERTY_LATIN_LONG ( 1 << 2 ) +#define AF_BLUE_PROPERTY_LATIN_TOP ( 1 << 0 ) /* must have value 1 */ +#define AF_BLUE_PROPERTY_LATIN_NEUTRAL ( 1 << 1 ) +#define AF_BLUE_PROPERTY_LATIN_X_HEIGHT ( 1 << 2 ) +#define AF_BLUE_PROPERTY_LATIN_LONG ( 1 << 3 ) -#define AF_BLUE_PROPERTY_CJK_HORIZ ( 1 << 0 ) -#define AF_BLUE_PROPERTY_CJK_TOP ( 1 << 1 ) -#define AF_BLUE_PROPERTY_CJK_FILL ( 1 << 2 ) +#define AF_BLUE_PROPERTY_CJK_TOP ( 1 << 0 ) /* must have value 1 */ +#define AF_BLUE_PROPERTY_CJK_HORIZ ( 1 << 1 ) /* must have value 2 */ #define AF_BLUE_PROPERTY_CJK_RIGHT AF_BLUE_PROPERTY_CJK_TOP -#define AF_BLUE_STRINGSET_MAX_LEN 9 +#define AF_BLUE_STRINGSET_MAX_LEN 7 /* The AF_Blue_Stringset enumeration values are offsets into the */ /* `af_blue_stringsets' array. */ typedef enum AF_Blue_Stringset_ { - AF_BLUE_STRINGSET_LATN = 0, - AF_BLUE_STRINGSET_GREK = 7, - AF_BLUE_STRINGSET_CYRL = 14, - AF_BLUE_STRINGSET_HEBR = 20, - af_blue_2_1 = 24, + AF_BLUE_STRINGSET_CYRL = 0, + AF_BLUE_STRINGSET_DEVA = 6, + AF_BLUE_STRINGSET_GREK = 12, + AF_BLUE_STRINGSET_HEBR = 19, + AF_BLUE_STRINGSET_LATN = 23, + AF_BLUE_STRINGSET_TELU = 30, + af_blue_2_1 = 33, #ifdef AF_CONFIG_OPTION_CJK AF_BLUE_STRINGSET_HANI = af_blue_2_1 + 0, - af_blue_2_1_1 = af_blue_2_1 + 4, + af_blue_2_1_1 = af_blue_2_1 + 2, #ifdef AF_CONFIG_OPTION_CJK_BLUE_HANI_VERT - af_blue_2_1_2 = af_blue_2_1_1 + 4, + af_blue_2_1_2 = af_blue_2_1_1 + 2, #else af_blue_2_1_2 = af_blue_2_1_1 + 0, #endif /* AF_CONFIG_OPTION_CJK_BLUE_HANI_VERT */ diff --git a/freetype/src/autofit/afblue.hin b/freetype/src/autofit/afblue.hin index 4fc991755..0b4b48d7f 100644 --- a/freetype/src/autofit/afblue.hin +++ b/freetype/src/autofit/afblue.hin @@ -4,7 +4,7 @@ /* */ /* Auto-fitter data for blue strings (specification). */ /* */ -/* Copyright 2013 by */ +/* Copyright 2013, 2014 by */ /* David Turner, Robert Wilhelm, and Werner Lemberg. */ /* */ /* This file is part of the FreeType project, and may only be used, */ @@ -96,13 +96,13 @@ FT_BEGIN_HEADER /* Properties are specific to a writing system. We assume that a given */ /* blue string can't be used in more than a single writing system, which */ /* is a safe bet. */ -#define AF_BLUE_PROPERTY_LATIN_TOP ( 1 << 0 ) -#define AF_BLUE_PROPERTY_LATIN_X_HEIGHT ( 1 << 1 ) -#define AF_BLUE_PROPERTY_LATIN_LONG ( 1 << 2 ) +#define AF_BLUE_PROPERTY_LATIN_TOP ( 1 << 0 ) /* must have value 1 */ +#define AF_BLUE_PROPERTY_LATIN_NEUTRAL ( 1 << 1 ) +#define AF_BLUE_PROPERTY_LATIN_X_HEIGHT ( 1 << 2 ) +#define AF_BLUE_PROPERTY_LATIN_LONG ( 1 << 3 ) -#define AF_BLUE_PROPERTY_CJK_HORIZ ( 1 << 0 ) -#define AF_BLUE_PROPERTY_CJK_TOP ( 1 << 1 ) -#define AF_BLUE_PROPERTY_CJK_FILL ( 1 << 2 ) +#define AF_BLUE_PROPERTY_CJK_TOP ( 1 << 0 ) /* must have value 1 */ +#define AF_BLUE_PROPERTY_CJK_HORIZ ( 1 << 1 ) /* must have value 2 */ #define AF_BLUE_PROPERTY_CJK_RIGHT AF_BLUE_PROPERTY_CJK_TOP diff --git a/freetype/src/autofit/afcjk.c b/freetype/src/autofit/afcjk.c index 360ecd935..8f2bd00ee 100644 --- a/freetype/src/autofit/afcjk.c +++ b/freetype/src/autofit/afcjk.c @@ -4,7 +4,7 @@ /* */ /* Auto-fitter hinting routines for CJK writing system (body). */ /* */ -/* Copyright 2006-2013 by */ +/* Copyright 2006-2014 by */ /* David Turner, Robert Wilhelm, and Werner Lemberg. */ /* */ /* This file is part of the FreeType project, and may only be used, */ @@ -178,6 +178,8 @@ goto Exit; af_latin_hints_link_segments( hints, + 0, + NULL, (AF_Dimension)dim ); seg = axhints->segments; @@ -261,6 +263,8 @@ FT_Int num_fills; FT_Int num_flats; + FT_Bool fill; + AF_CJKBlue blue; FT_Error error; AF_CJKAxis axis; @@ -271,22 +275,6 @@ AF_Blue_Stringset bss = sc->blue_stringset; const AF_Blue_StringRec* bs = &af_blue_stringsets[bss]; -#ifdef FT_DEBUG_LEVEL_TRACE - FT_String* cjk_blue_name[4] = - { - (FT_String*)"bottom", /* -- , -- */ - (FT_String*)"top", /* -- , TOP */ - (FT_String*)"left", /* HORIZ, -- */ - (FT_String*)"right" /* HORIZ, TOP */ - }; - - FT_String* cjk_blue_type_name[2] = - { - (FT_String*)"unfilled", /* -- */ - (FT_String*)"filled" /* FILL */ - }; -#endif - /* we walk over the blue character strings as specified in the */ /* style's entry in the `af_blue_stringset' array, computing its */ @@ -308,15 +296,29 @@ else axis = &metrics->axis[AF_DIMENSION_VERT]; - FT_TRACE5(( "blue zone %d:\n", axis->blue_count )); +#ifdef FT_DEBUG_LEVEL_TRACE + { + FT_String* cjk_blue_name[4] = + { + (FT_String*)"bottom", /* -- , -- */ + (FT_String*)"top", /* -- , TOP */ + (FT_String*)"left", /* HORIZ, -- */ + (FT_String*)"right" /* HORIZ, TOP */ + }; + + + FT_TRACE5(( "blue zone %d (%s):\n", + axis->blue_count, + cjk_blue_name[AF_CJK_IS_HORIZ_BLUE( bs ) | + AF_CJK_IS_TOP_BLUE( bs ) ] )); + } +#endif /* FT_DEBUG_LEVEL_TRACE */ num_fills = 0; num_flats = 0; - FT_TRACE5(( " cjk blue %s/%s\n", - cjk_blue_name[AF_CJK_IS_HORIZ_BLUE( bs ) | - AF_CJK_IS_TOP_BLUE( bs ) ], - cjk_blue_type_name[!!AF_CJK_IS_FILLED_BLUE( bs )] )); + fill = 1; /* start with characters that define fill values */ + FT_TRACE5(( " [overshoot values]\n" )); while ( *p ) { @@ -330,6 +332,14 @@ GET_UTF8_CHAR( ch, p ); + /* switch to characters that define flat values */ + if ( ch == '|' ) + { + fill = 0; + FT_TRACE5(( " [reference values]\n" )); + continue; + } + /* load the character in the face -- skip unknown or empty ones */ af_get_char_index( &metrics->root, ch, &glyph_index, &y_offset ); if ( glyph_index == 0 ) @@ -417,7 +427,7 @@ FT_TRACE5(( " U+%04lX: best_pos = %5ld\n", ch, best_pos )); } - if ( AF_CJK_IS_FILLED_BLUE( bs ) ) + if ( fill ) fills[num_fills++] = best_pos; else flats[num_flats++] = best_pos; @@ -429,15 +439,15 @@ * we couldn't find a single glyph to compute this blue zone, * we will simply ignore it then */ - FT_TRACE5(( " empty\n" )); + FT_TRACE5(( " empty\n" )); continue; } - /* we have computed the contents of the `fill' and `flats' tables, */ - /* now determine the reference position of the blue zone -- */ - /* we simply take the median value after a simple sort */ - af_sort_pos( num_flats, flats ); + /* we have computed the contents of the `fill' and `flats' tables, */ + /* now determine the reference and overshoot position of the blue -- */ + /* we simply take the median value after a simple sort */ af_sort_pos( num_fills, fills ); + af_sort_pos( num_flats, flats ); blue = &axis->blues[axis->blue_count]; blue_ref = &blue->ref.org; @@ -476,7 +486,7 @@ *blue_ref = *blue_shoot = ( shoot + ref ) / 2; - FT_TRACE5(( " [overshoot smaller than reference," + FT_TRACE5(( " [reference smaller than overshoot," " taking mean value]\n" )); } } @@ -755,10 +765,6 @@ /* now compare each segment to the others */ for ( seg1 = segments; seg1 < segment_limit; seg1++ ) { - /* the fake segments are for metrics hinting only */ - if ( seg1->first == seg1->last ) - continue; - if ( seg1->dir != major_dir ) continue; @@ -1018,10 +1024,11 @@ edge->first = seg; edge->last = seg; + edge->dir = seg->dir; edge->fpos = seg->pos; - edge->opos = edge->pos = FT_MulFix( seg->pos, scale ); + edge->opos = FT_MulFix( seg->pos, scale ); + edge->pos = edge->opos; seg->edge_next = seg; - edge->dir = seg->dir; } else { @@ -1230,8 +1237,10 @@ /* zone, check for left edges */ /* */ /* of course, that's for TrueType */ - is_top_right_blue = FT_BOOL( blue->flags & AF_CJK_BLUE_TOP ); - is_major_dir = FT_BOOL( edge->dir == axis->major_dir ); + is_top_right_blue = + (FT_Byte)( ( blue->flags & AF_CJK_BLUE_TOP ) != 0 ); + is_major_dir = + FT_BOOL( edge->dir == axis->major_dir ); /* if it is a top zone, the edge must be against the major */ /* direction; if it is a bottom zone, it must be in the major */ @@ -1528,6 +1537,12 @@ stem_edge->pos = base_edge->pos + fitted_width; + + FT_TRACE5(( " CJKLINK: edge %d @%d (opos=%.2f) linked to %.2f," + " dist was %.2f, now %.2f\n", + stem_edge - hints->axis[dim].edges, stem_edge->fpos, + stem_edge->opos / 64.0, stem_edge->pos / 64.0, + dist / 64.0, fitted_width / 64.0 )); } diff --git a/freetype/src/autofit/afcjk.h b/freetype/src/autofit/afcjk.h index a260b0911..4dd4f3917 100644 --- a/freetype/src/autofit/afcjk.h +++ b/freetype/src/autofit/afcjk.h @@ -4,7 +4,7 @@ /* */ /* Auto-fitter hinting routines for CJK writing system (specification). */ /* */ -/* Copyright 2006, 2007, 2011-2013 by */ +/* Copyright 2006, 2007, 2011-2014 by */ /* David Turner, Robert Wilhelm, and Werner Lemberg. */ /* */ /* This file is part of the FreeType project, and may only be used, */ @@ -50,8 +50,6 @@ FT_BEGIN_HEADER ( (b)->properties & AF_BLUE_PROPERTY_CJK_TOP ) #define AF_CJK_IS_HORIZ_BLUE( b ) \ ( (b)->properties & AF_BLUE_PROPERTY_CJK_HORIZ ) -#define AF_CJK_IS_FILLED_BLUE( b ) \ - ( (b)->properties & AF_BLUE_PROPERTY_CJK_FILL ) #define AF_CJK_IS_RIGHT_BLUE AF_CJK_IS_TOP_BLUE #define AF_CJK_MAX_WIDTHS 16 diff --git a/freetype/src/autofit/afglobal.c b/freetype/src/autofit/afglobal.c index 7aa2e1102..a54c20c02 100644 --- a/freetype/src/autofit/afglobal.c +++ b/freetype/src/autofit/afglobal.c @@ -138,7 +138,7 @@ FT_Byte* gstyles = globals->glyph_styles; FT_UInt ss; FT_UInt i; - FT_UInt dflt = -1; + FT_UInt dflt = ~0U; /* a non-valid value */ /* the value AF_STYLE_UNASSIGNED means `uncovered glyph' */ @@ -176,7 +176,8 @@ */ if ( style_class->coverage == AF_COVERAGE_DEFAULT ) { - if ( style_class->script == globals->module->default_script ) + if ( (FT_UInt)style_class->script == + globals->module->default_script ) dflt = ss; for ( range = script_class->script_uni_ranges; @@ -332,8 +333,8 @@ af_face_globals_free( globals ); globals = NULL; } - - globals->increase_x_height = AF_PROP_INCREASE_X_HEIGHT_MAX; + else + globals->increase_x_height = AF_PROP_INCREASE_X_HEIGHT_MAX; Exit: *aglobals = globals; diff --git a/freetype/src/autofit/afglobal.h b/freetype/src/autofit/afglobal.h index d2da40e3c..38d8d6952 100644 --- a/freetype/src/autofit/afglobal.h +++ b/freetype/src/autofit/afglobal.h @@ -66,16 +66,16 @@ FT_BEGIN_HEADER /* index of fallback style in `af_style_classes' */ #ifdef AF_CONFIG_OPTION_CJK -#define AF_STYLE_FALLBACK AF_STYLE_HANI_DFLT +#define AF_STYLE_FALLBACK AF_STYLE_HANI_DFLT #else -#define AF_STYLE_FALLBACK AF_STYLE_NONE_DFLT +#define AF_STYLE_FALLBACK AF_STYLE_NONE_DFLT #endif /* default script for OpenType; ignored if HarfBuzz isn't used */ -#define AF_SCRIPT_DEFAULT AF_SCRIPT_LATN +#define AF_SCRIPT_DEFAULT AF_SCRIPT_LATN /* a bit mask indicating an uncovered glyph */ #define AF_STYLE_UNASSIGNED 0x7F /* if this flag is set, we have an ASCII digit */ -#define AF_DIGIT 0x80 +#define AF_DIGIT 0x80 /* `increase-x-height' property */ #define AF_PROP_INCREASE_X_HEIGHT_MIN 6 diff --git a/freetype/src/autofit/afhints.c b/freetype/src/autofit/afhints.c index d9fb13364..4aa64bb4b 100644 --- a/freetype/src/autofit/afhints.c +++ b/freetype/src/autofit/afhints.c @@ -74,7 +74,8 @@ } - /* Get new edge for given axis, direction, and position. */ + /* Get new edge for given axis, direction, and position, */ + /* without initializing the edge itself. */ FT_LOCAL( FT_Error ) af_axis_hints_new_edge( AF_AxisHints axis, @@ -130,10 +131,6 @@ axis->num_edges++; - FT_ZERO( edge ); - edge->fpos = (FT_Short)fpos; - edge->dir = (FT_Char)dir; - Exit: *anedge = edge; return error; @@ -183,7 +180,7 @@ } -#define AF_INDEX_NUM( ptr, base ) ( (ptr) ? ( (ptr) - (base) ) : -1 ) +#define AF_INDEX_NUM( ptr, base ) (int)( (ptr) ? ( (ptr) - (base) ) : -1 ) #ifdef __cplusplus @@ -204,20 +201,15 @@ for ( point = points; point < limit; point++ ) AF_DUMP(( " [ %5d | %5d | %5d | %6.2f | %6.2f" - " | %5.2f | %5.2f | %c%c%c%c%c%c ]\n", - point - points, + " | %5.2f | %5.2f | %c ]\n", + AF_INDEX_NUM( point, points ), point->fx, point->fy, point->ox / 64.0, point->oy / 64.0, point->x / 64.0, point->y / 64.0, - ( point->flags & AF_FLAG_WEAK_INTERPOLATION ) ? 'w' : ' ', - ( point->flags & AF_FLAG_INFLECTION ) ? 'i' : ' ', - ( point->flags & AF_FLAG_EXTREMA_X ) ? '<' : ' ', - ( point->flags & AF_FLAG_EXTREMA_Y ) ? 'v' : ' ', - ( point->flags & AF_FLAG_ROUND_X ) ? '(' : ' ', - ( point->flags & AF_FLAG_ROUND_Y ) ? 'u' : ' ')); + ( point->flags & AF_FLAG_WEAK_INTERPOLATION ) ? 'w' : ' ')); AF_DUMP(( "\n" )); } #ifdef __cplusplus @@ -289,7 +281,7 @@ AF_DUMP(( " [ %5d | %5.2g | %5s | %4d" " | %4d | %4d | %5d | %4d" " | %6d | %5d | %11s ]\n", - seg - segments, + AF_INDEX_NUM( seg, segments ), dimension == AF_DIMENSION_HORZ ? (int)seg->first->ox / 64.0 : (int)seg->first->oy / 64.0, @@ -420,7 +412,7 @@ for ( edge = edges; edge < limit; edge++ ) AF_DUMP(( " [ %5d | %5.2g | %5s | %4d" " | %5d | %c | %5.2f | %5.2f | %11s ]\n", - edge - edges, + AF_INDEX_NUM( edge, edges ), (int)edge->opos / 64.0, af_dir_str( (AF_Direction)edge->dir ), AF_INDEX_NUM( edge->link, edges ), @@ -651,6 +643,9 @@ for ( point = points; point < point_limit; point++, vec++, tag++ ) { + point->in_dir = (FT_Char)AF_DIR_NONE; + point->out_dir = (FT_Char)AF_DIR_NONE; + point->fx = (FT_Short)vec->x; point->fy = (FT_Short)vec->y; point->ox = point->x = FT_MulFix( vec->x, x_scale ) + x_delta; @@ -698,91 +693,186 @@ } } - /* compute directions of in & out vectors */ { - AF_Point first = points; - AF_Point prev = NULL; - FT_Pos in_x = 0; - FT_Pos in_y = 0; - AF_Direction in_dir = AF_DIR_NONE; - - FT_Pos last_good_in_x = 0; - FT_Pos last_good_in_y = 0; - + /* + * Compute directions of `in' and `out' vectors. + * + * Note that distances between points that are very near to each + * other are accumulated. In other words, the auto-hinter + * prepends the small vectors between near points to the first + * non-near vector. All intermediate points are tagged as + * weak; the directions are adjusted also to be equal to the + * accumulated one. + */ + + /* value 20 in `near_limit' is heuristic */ FT_UInt units_per_em = hints->metrics->scaler.face->units_per_EM; FT_Int near_limit = 20 * units_per_em / 2048; + FT_Int near_limit2 = 2 * near_limit - 1; + AF_Point* contour; + AF_Point* contour_limit = hints->contours + hints->num_contours; - for ( point = points; point < point_limit; point++ ) + + for ( contour = hints->contours; contour < contour_limit; contour++ ) { - AF_Point next; - FT_Pos out_x, out_y; + AF_Point first = *contour; + AF_Point next, prev, curr; + + FT_Pos out_x, out_y; + FT_Bool is_first; - if ( point == first ) + + /* since the first point of a contour could be part of a */ + /* series of near points, go backwards to find the first */ + /* non-near point and adjust `first' */ + + point = first; + prev = first->prev; + + while ( prev != first ) { - prev = first->prev; + out_x = point->fx - prev->fx; + out_y = point->fy - prev->fy; + + /* + * We use Taxicab metrics to measure the vector length. + * + * Note that the accumulated distances so far could have the + * opposite direction of the distance measured here. For this + * reason we use `near_limit2' for the comparison to get a + * non-near point even in the worst case. + */ + if ( FT_ABS( out_x ) + FT_ABS( out_y ) >= near_limit2 ) + break; + + point = prev; + prev = prev->prev; + } - in_x = first->fx - prev->fx; - in_y = first->fy - prev->fy; + /* adjust first point */ + first = point; - last_good_in_x = in_x; - last_good_in_y = in_y; + /* now loop over all points of the contour to get */ + /* `in' and `out' vector directions */ - if ( FT_ABS( in_x ) + FT_ABS( in_y ) < near_limit ) - { - /* search first non-near point to get a good `in_dir' value */ + curr = first; - AF_Point point_ = prev; + /* + * We abuse the `u' and `v' fields to store index deltas to the + * next and previous non-near point, respectively. + * + * To avoid problems with not having non-near points, we point to + * `first' by default as the next non-near point. + * + */ + curr->u = (FT_Pos)( first - curr ); + first->v = -curr->u; + out_x = 0; + out_y = 0; - while ( point_ != first ) - { - AF_Point prev_ = point_->prev; + is_first = 1; - FT_Pos in_x_ = point_->fx - prev_->fx; - FT_Pos in_y_ = point_->fy - prev_->fy; + for ( point = first; + point != first || is_first; + point = point->next ) + { + AF_Direction out_dir; - if ( FT_ABS( in_x_ ) + FT_ABS( in_y_ ) >= near_limit ) - { - last_good_in_x = in_x_; - last_good_in_y = in_y_; + is_first = 0; - break; - } + next = point->next; - point_ = prev_; - } + out_x += next->fx - point->fx; + out_y += next->fy - point->fy; + + if ( FT_ABS( out_x ) + FT_ABS( out_y ) < near_limit ) + { + next->flags |= AF_FLAG_WEAK_INTERPOLATION; + continue; + } + + curr->u = (FT_Pos)( next - curr ); + next->v = -curr->u; + + out_dir = af_direction_compute( out_x, out_y ); + + /* adjust directions for all points inbetween; */ + /* the loop also updates position of `curr' */ + curr->out_dir = (FT_Char)out_dir; + for ( curr = curr->next; curr != next; curr = curr->next ) + { + curr->in_dir = (FT_Char)out_dir; + curr->out_dir = (FT_Char)out_dir; } + next->in_dir = (FT_Char)out_dir; - in_dir = af_direction_compute( in_x, in_y ); - first = prev + 1; + curr->u = (FT_Pos)( first - curr ); + first->v = -curr->u; + + out_x = 0; + out_y = 0; } + } - point->in_dir = (FT_Char)in_dir; + /* + * The next step is to `simplify' an outline's topology so that we + * can identify local extrema more reliably: A series of + * non-horizontal or non-vertical vectors pointing into the same + * quadrant are handled as a single, long vector. From a + * topological point of the view, the intermediate points are of no + * interest and thus tagged as weak. + */ - /* check whether the current point is near to the previous one */ - /* (value 20 in `near_limit' is heuristic; we use Taxicab */ - /* metrics for the test) */ + for ( point = points; point < point_limit; point++ ) + { + if ( point->flags & AF_FLAG_WEAK_INTERPOLATION ) + continue; - if ( FT_ABS( in_x ) + FT_ABS( in_y ) < near_limit ) - point->flags |= AF_FLAG_NEAR; - else + if ( point->in_dir == AF_DIR_NONE && + point->out_dir == AF_DIR_NONE ) { - last_good_in_x = in_x; - last_good_in_y = in_y; - } + /* check whether both vectors point into the same quadrant */ + + FT_Pos in_x, in_y; + FT_Pos out_x, out_y; + + AF_Point next_u = point + point->u; + AF_Point prev_v = point + point->v; + - next = point->next; - out_x = next->fx - point->fx; - out_y = next->fy - point->fy; + in_x = point->fx - prev_v->fx; + in_y = point->fy - prev_v->fy; + + out_x = next_u->fx - point->fx; + out_y = next_u->fy - point->fy; + + if ( ( in_x ^ out_x ) >= 0 && ( in_y ^ out_y ) >= 0 ) + { + /* yes, so tag current point as weak */ + /* and update index deltas */ + + point->flags |= AF_FLAG_WEAK_INTERPOLATION; + + prev_v->u = (FT_Pos)( next_u - prev_v ); + next_u->v = -prev_v->u; + } + } + } - in_dir = af_direction_compute( out_x, out_y ); - point->out_dir = (FT_Char)in_dir; + /* + * Finally, check for remaining weak points. Everything else not + * collected in edges so far is then implicitly classified as strong + * points. + */ - /* Check for weak points. The remaining points not collected */ - /* in edges are then implicitly classified as strong points. */ + for ( point = points; point < point_limit; point++ ) + { + if ( point->flags & AF_FLAG_WEAK_INTERPOLATION ) + continue; if ( point->flags & AF_FLAG_CONTROL ) { @@ -799,18 +889,25 @@ goto Is_Weak_Point; } - /* test whether `in' and `out' direction is approximately */ - /* the same (and use the last good `in' vector in case */ - /* the current point is near to the previous one) */ - if ( ft_corner_is_flat( - point->flags & AF_FLAG_NEAR ? last_good_in_x : in_x, - point->flags & AF_FLAG_NEAR ? last_good_in_y : in_y, - out_x, - out_y ) ) { - /* current point lies on a straight, diagonal line */ - /* (more or less) */ - goto Is_Weak_Point; + AF_Point next_u = point + point->u; + AF_Point prev_v = point + point->v; + + + if ( ft_corner_is_flat( point->fx - prev_v->fx, + point->fy - prev_v->fy, + next_u->fx - point->fx, + next_u->fy - point->fy ) ) + { + /* either the `in' or the `out' vector is much more */ + /* dominant than the other one, so tag current point */ + /* as weak and update index deltas */ + + prev_v->u = (FT_Pos)( next_u - prev_v ); + next_u->v = -prev_v->u; + + goto Is_Weak_Point; + } } } else if ( point->in_dir == -point->out_dir ) @@ -818,9 +915,6 @@ /* current point forms a spike */ goto Is_Weak_Point; } - - in_x = out_x; - in_y = out_y; } } } @@ -977,8 +1071,7 @@ /* if this point is candidate to weak interpolation, we */ /* interpolate it after all strong points have been processed */ - if ( ( point->flags & AF_FLAG_WEAK_INTERPOLATION ) && - !( point->flags & AF_FLAG_INFLECTION ) ) + if ( ( point->flags & AF_FLAG_WEAK_INTERPOLATION ) ) continue; if ( dim == AF_DIMENSION_VERT ) diff --git a/freetype/src/autofit/afhints.h b/freetype/src/autofit/afhints.h index 5f1507f80..92101de7c 100644 --- a/freetype/src/autofit/afhints.h +++ b/freetype/src/autofit/afhints.h @@ -4,7 +4,7 @@ /* */ /* Auto-fitter hinting routines (specification). */ /* */ -/* Copyright 2003-2008, 2010-2012 by */ +/* Copyright 2003-2008, 2010-2012, 2014 by */ /* David Turner, Robert Wilhelm, and Werner Lemberg. */ /* */ /* This file is part of the FreeType project, and may only be used, */ @@ -72,13 +72,9 @@ FT_BEGIN_HEADER * `af_{cjk,latin,...}_hints_compute_segments' are the functions to * find segments in an outline. * - * A segment is a series of consecutive points that are approximately - * aligned along a coordinate axis. The analysis to do so is specific - * to a writing system. - * - * A segment must have at least two points, except in the case of - * `fake' segments that are generated to hint metrics appropriately, - * and which consist of a single point. + * A segment is a series of at least two consecutive points that are + * approximately aligned along a coordinate axis. The analysis to do + * so is specific to a writing system. * * * Edges @@ -148,7 +144,7 @@ FT_BEGIN_HEADER * Serifs are detected by `af_{cjk,latin,...}_hint_edges'. * * In comparison to a stem, a serif (as handled by the auto-hinter - * module which takes care of the `latin' writing system) has + * module that takes care of the `latin' writing system) has * * best segment_1 = segment_2 && best segment_2 != segment_1 * @@ -178,19 +174,19 @@ FT_BEGIN_HEADER * * Strong Points * - * Experience has shown that points which are not part of an edge need - * to be interpolated linearly between their two closest edges, even if - * these are not part of the contour of those particular points. - * Typical candidates for this are + * Experience has shown that points not part of an edge need to be + * interpolated linearly between their two closest edges, even if these + * are not part of the contour of those particular points. Typical + * candidates for this are * * - angle points (i.e., points where the `in' and `out' direction * differ greatly) * * - inflection points (i.e., where the `in' and `out' angles are the * same, but the curvature changes sign) [currently, such points - * aren't handled in the auto-hinter] + * aren't handled specially in the auto-hinter] * - * `af_glyph_hints_align_strong_points' is the function which takes + * `af_glyph_hints_align_strong_points' is the function that takes * care of such situations; it is equivalent to the TrueType `IP' * hinting instruction. * @@ -220,26 +216,12 @@ FT_BEGIN_HEADER AF_FLAG_CUBIC = 1 << 1, AF_FLAG_CONTROL = AF_FLAG_CONIC | AF_FLAG_CUBIC, - /* point extremum flags */ - AF_FLAG_EXTREMA_X = 1 << 2, - AF_FLAG_EXTREMA_Y = 1 << 3, - - /* point roundness flags */ - AF_FLAG_ROUND_X = 1 << 4, - AF_FLAG_ROUND_Y = 1 << 5, - /* point touch flags */ - AF_FLAG_TOUCH_X = 1 << 6, - AF_FLAG_TOUCH_Y = 1 << 7, + AF_FLAG_TOUCH_X = 1 << 2, + AF_FLAG_TOUCH_Y = 1 << 3, /* candidates for weak interpolation have this flag set */ - AF_FLAG_WEAK_INTERPOLATION = 1 << 8, - - /* all inflection points in the outline have this flag set */ - AF_FLAG_INFLECTION = 1 << 9, - - /* the current point is very near to another one */ - AF_FLAG_NEAR = 1 << 10 + AF_FLAG_WEAK_INTERPOLATION = 1 << 4 } AF_Flags; @@ -247,10 +229,11 @@ FT_BEGIN_HEADER /* edge hint flags */ typedef enum AF_Edge_Flags_ { - AF_EDGE_NORMAL = 0, - AF_EDGE_ROUND = 1 << 0, - AF_EDGE_SERIF = 1 << 1, - AF_EDGE_DONE = 1 << 2 + AF_EDGE_NORMAL = 0, + AF_EDGE_ROUND = 1 << 0, + AF_EDGE_SERIF = 1 << 1, + AF_EDGE_DONE = 1 << 2, + AF_EDGE_NEUTRAL = 1 << 3 /* set if edge aligns to a neutral blue zone */ } AF_Edge_Flags; diff --git a/freetype/src/autofit/aflatin.c b/freetype/src/autofit/aflatin.c index e6f4dfb05..40ec20faa 100644 --- a/freetype/src/autofit/aflatin.c +++ b/freetype/src/autofit/aflatin.c @@ -171,7 +171,15 @@ if ( error ) goto Exit; + /* + * We assume that the glyphs selected for the stem width + * computation are `featureless' enough so that the linking + * algorithm works fine without adjustments of its scoring + * function. + */ af_latin_hints_link_segments( hints, + 0, + NULL, (AF_Dimension)dim ); seg = axhints->segments; @@ -298,6 +306,14 @@ have_flag = 1; } + if ( AF_LATIN_IS_NEUTRAL_BLUE( bs ) ) + { + if ( have_flag ) + FT_TRACE5(( ", " )); + FT_TRACE5(( "neutral" )); + have_flag = 1; + } + if ( AF_LATIN_IS_X_HEIGHT_BLUE( bs ) ) { if ( have_flag ) @@ -520,6 +536,13 @@ FT_Int last; FT_Bool hit; + /* we intentionally declare these two variables */ + /* outside of the loop since various compilers emit */ + /* incorrect warning messages otherwise, talking about */ + /* `possibly uninitialized variables' */ + FT_Int p_first = 0; /* make compiler happy */ + FT_Int p_last = 0; + FT_Bool left2right; @@ -552,7 +575,6 @@ { FT_Bool l2r; FT_Pos d; - FT_Int p_first, p_last; if ( !hit ) @@ -688,6 +710,13 @@ FT_CURVE_TAG( outline.tags[best_segment_last] ) != FT_CURVE_TAG_ON ); + if ( round && AF_LATIN_IS_NEUTRAL_BLUE( bs ) ) + { + /* only use flat segments for a neutral blue zone */ + FT_TRACE5(( " (round, skipped)\n" )); + continue; + } + FT_TRACE5(( " (%s)\n", round ? "round" : "flat" )); } @@ -758,6 +787,8 @@ blue->flags = 0; if ( AF_LATIN_IS_TOP_BLUE( bs ) ) blue->flags |= AF_LATIN_BLUE_TOP; + if ( AF_LATIN_IS_NEUTRAL_BLUE( bs ) ) + blue->flags |= AF_LATIN_BLUE_NEUTRAL; /* * The following flag is used later to adjust the y and x scales @@ -1262,17 +1293,19 @@ /* this is the start of a new segment! */ segment_dir = (AF_Direction)point->out_dir; - /* clear all segment fields */ error = af_axis_hints_new_segment( axis, memory, &segment ); if ( error ) goto Exit; - segment[0] = seg0; + /* clear all segment fields */ + segment[0] = seg0; + segment->dir = (FT_Char)segment_dir; min_pos = max_pos = point->u; segment->first = point; segment->last = point; - on_edge = 1; + + on_edge = 1; } point = point->next; @@ -1296,9 +1329,6 @@ FT_Pos last_v = last->v; - if ( first == last ) - continue; - if ( first_v < last_v ) { AF_Point p; @@ -1337,31 +1367,44 @@ } - /* Link segments to form stems and serifs. */ + /* Link segments to form stems and serifs. If `width_count' and */ + /* `widths' are non-zero, use them to fine-tune the scoring function. */ FT_LOCAL_DEF( void ) af_latin_hints_link_segments( AF_GlyphHints hints, + FT_UInt width_count, + AF_WidthRec* widths, AF_Dimension dim ) { AF_AxisHints axis = &hints->axis[dim]; AF_Segment segments = axis->segments; AF_Segment segment_limit = segments + axis->num_segments; - FT_Pos len_threshold, len_score; + FT_Pos len_threshold, len_score, dist_score, max_width; AF_Segment seg1, seg2; + if ( width_count ) + max_width = widths[width_count - 1].org; + else + max_width = 0; + + /* a heuristic value to set up a minimum value for overlapping */ len_threshold = AF_LATIN_CONSTANT( hints->metrics, 8 ); if ( len_threshold == 0 ) len_threshold = 1; + /* a heuristic value to weight lengths */ len_score = AF_LATIN_CONSTANT( hints->metrics, 6000 ); + /* a heuristic value to weight distances (no call to */ + /* AF_LATIN_CONSTANT needed, since we work on multiples */ + /* of the stem width) */ + dist_score = 3000; + /* now compare each segment to the others */ for ( seg1 = segments; seg1 < segment_limit; seg1++ ) { - /* the fake segments are introduced to hint the metrics -- */ - /* we must never link them to anything */ - if ( seg1->dir != axis->major_dir || seg1->first == seg1->last ) + if ( seg1->dir != axis->major_dir ) continue; /* search for stems having opposite directions, */ @@ -1375,10 +1418,9 @@ if ( seg1->dir + seg2->dir == 0 && pos2 > pos1 ) { /* compute distance between the two segments */ - FT_Pos dist = pos2 - pos1; - FT_Pos min = seg1->min_coord; - FT_Pos max = seg1->max_coord; - FT_Pos len, score; + FT_Pos min = seg1->min_coord; + FT_Pos max = seg1->max_coord; + FT_Pos len; if ( min < seg2->min_coord ) @@ -1388,15 +1430,49 @@ max = seg2->max_coord; /* compute maximum coordinate difference of the two segments */ + /* (this is, how much they overlap) */ len = max - min; if ( len >= len_threshold ) { - /* small coordinate differences cause a higher score, and */ - /* segments with a greater distance cause a higher score also */ - score = dist + len_score / len; + /* + * The score is the sum of two demerits indicating the + * `badness' of a fit, measured along the segments' main axis + * and orthogonal to it, respectively. + * + * o The less overlapping along the main axis, the worse it + * is, causing a larger demerit. + * + * o The nearer the orthogonal distance to a stem width, the + * better it is, causing a smaller demerit. For simplicity, + * however, we only increase the demerit for values that + * exceed the largest stem width. + */ + + FT_Pos dist = pos2 - pos1; + + FT_Pos dist_demerit, score; + + + if ( max_width ) + { + /* distance demerits are based on multiples of `max_width'; */ + /* we scale by 1024 for getting more precision */ + FT_Pos delta = ( dist << 10 ) / max_width - ( 1 << 10 ); + + + if ( delta > 10000 ) + dist_demerit = 32000; + else if ( delta > 0 ) + dist_demerit = delta * delta / dist_score; + else + dist_demerit = 0; + } + else + dist_demerit = dist; /* default if no widths available */ + + score = dist_demerit + len_score / len; /* and we search for the smallest score */ - /* of the sum of the two values */ if ( score < seg1->score ) { seg1->score = score; @@ -1728,6 +1804,8 @@ FT_LOCAL_DEF( FT_Error ) af_latin_hints_detect_features( AF_GlyphHints hints, + FT_UInt width_count, + AF_WidthRec* widths, AF_Dimension dim ) { FT_Error error; @@ -1736,7 +1814,7 @@ error = af_latin_hints_compute_segments( hints, dim ); if ( !error ) { - af_latin_hints_link_segments( hints, dim ); + af_latin_hints_link_segments( hints, width_count, widths, dim ); error = af_latin_hints_compute_edges( hints, dim ); } @@ -1765,8 +1843,9 @@ for ( ; edge < edge_limit; edge++ ) { FT_UInt bb; - AF_Width best_blue = NULL; - FT_Pos best_dist; /* initial threshold */ + AF_Width best_blue = NULL; + FT_Bool best_blue_is_neutral = 0; + FT_Pos best_dist; /* initial threshold */ /* compute the initial threshold as a fraction of the EM size */ @@ -1780,24 +1859,26 @@ for ( bb = 0; bb < latin->blue_count; bb++ ) { AF_LatinBlue blue = latin->blues + bb; - FT_Bool is_top_blue, is_major_dir; + FT_Bool is_top_blue, is_neutral_blue, is_major_dir; /* skip inactive blue zones (i.e., those that are too large) */ if ( !( blue->flags & AF_LATIN_BLUE_ACTIVE ) ) continue; - /* if it is a top zone, check for right edges -- if it is a bottom */ - /* zone, check for left edges */ - /* */ - /* of course, that's for TrueType */ - is_top_blue = (FT_Byte)( ( blue->flags & AF_LATIN_BLUE_TOP ) != 0 ); - is_major_dir = FT_BOOL( edge->dir == axis->major_dir ); - - /* if it is a top zone, the edge must be against the major */ - /* direction; if it is a bottom zone, it must be in the major */ - /* direction */ - if ( is_top_blue ^ is_major_dir ) + /* if it is a top zone, check for right edges (against the major */ + /* direction); if it is a bottom zone, check for left edges (in */ + /* the major direction) -- this assumes the TrueType convention */ + /* for the orientation of contours */ + is_top_blue = + (FT_Byte)( ( blue->flags & AF_LATIN_BLUE_TOP ) != 0 ); + is_neutral_blue = + (FT_Byte)( ( blue->flags & AF_LATIN_BLUE_NEUTRAL ) != 0); + is_major_dir = + FT_BOOL( edge->dir == axis->major_dir ); + + /* neutral blue zones are handled for both directions */ + if ( is_top_blue ^ is_major_dir || is_neutral_blue ) { FT_Pos dist; @@ -1810,15 +1891,19 @@ dist = FT_MulFix( dist, scale ); if ( dist < best_dist ) { - best_dist = dist; - best_blue = &blue->ref; + best_dist = dist; + best_blue = &blue->ref; + best_blue_is_neutral = is_neutral_blue; } /* now compare it to the overshoot position and check whether */ /* the edge is rounded, and whether the edge is over the */ /* reference position of a top zone, or under the reference */ - /* position of a bottom zone */ - if ( edge->flags & AF_EDGE_ROUND && dist != 0 ) + /* position of a bottom zone (provided we don't have a */ + /* neutral blue zone) */ + if ( edge->flags & AF_EDGE_ROUND && + dist != 0 && + !is_neutral_blue ) { FT_Bool is_under_ref = FT_BOOL( edge->fpos < blue->ref.org ); @@ -1832,8 +1917,9 @@ dist = FT_MulFix( dist, scale ); if ( dist < best_dist ) { - best_dist = dist; - best_blue = &blue->shoot; + best_dist = dist; + best_blue = &blue->shoot; + best_blue_is_neutral = is_neutral_blue; } } } @@ -1841,7 +1927,11 @@ } if ( best_blue ) + { edge->blue_edge = best_blue; + if ( best_blue_is_neutral ) + edge->flags |= AF_EDGE_NEUTRAL; + } } } @@ -2159,7 +2249,7 @@ FT_TRACE5(( " LINK: edge %d (opos=%.2f) linked to %.2f," " dist was %.2f, now %.2f\n", - stem_edge-hints->axis[dim].edges, stem_edge->opos / 64.0, + stem_edge - hints->axis[dim].edges, stem_edge->opos / 64.0, stem_edge->pos / 64.0, dist / 64.0, fitted_width / 64.0 )); } @@ -2226,14 +2316,41 @@ if ( edge->flags & AF_EDGE_DONE ) continue; - blue = edge->blue_edge; edge1 = NULL; edge2 = edge->link; + /* + * If a stem contains both a neutral and a non-neutral blue zone, + * skip the neutral one. Otherwise, outlines with different + * directions might be incorrectly aligned at the same vertical + * position. + * + * If we have two neutral blue zones, skip one of them. + * + */ + if ( edge->blue_edge && edge2 && edge2->blue_edge ) + { + FT_Byte neutral = edge->flags & AF_EDGE_NEUTRAL; + FT_Byte neutral2 = edge2->flags & AF_EDGE_NEUTRAL; + + + if ( ( neutral && neutral2 ) || neutral2 ) + { + edge2->blue_edge = NULL; + edge2->flags &= ~AF_EDGE_NEUTRAL; + } + else if ( neutral ) + { + edge->blue_edge = NULL; + edge->flags &= ~AF_EDGE_NEUTRAL; + } + } + + blue = edge->blue_edge; if ( blue ) edge1 = edge; - /* flip edges if the other stem is aligned to a blue zone */ + /* flip edges if the other edge is aligned to a blue zone */ else if ( edge2 && edge2->blue_edge ) { blue = edge2->blue_edge; @@ -2300,7 +2417,7 @@ /* this should not happen, but it's better to be safe */ if ( edge2->blue_edge ) { - FT_TRACE5(( " ASSERTION FAILED for edge %d\n", edge2-edges )); + FT_TRACE5(( " ASSERTION FAILED for edge %d\n", edge2 - edges )); af_latin_align_linked_edge( hints, dim, edge2, edge ); edge->flags |= AF_EDGE_DONE; @@ -2689,6 +2806,8 @@ FT_Error error; int dim; + AF_LatinAxis axis; + error = af_glyph_hints_reload( hints, outline ); if ( error ) @@ -2702,14 +2821,22 @@ if ( AF_HINTS_DO_HORIZONTAL( hints ) ) #endif { - error = af_latin_hints_detect_features( hints, AF_DIMENSION_HORZ ); + axis = &metrics->axis[AF_DIMENSION_HORZ]; + error = af_latin_hints_detect_features( hints, + axis->width_count, + axis->widths, + AF_DIMENSION_HORZ ); if ( error ) goto Exit; } if ( AF_HINTS_DO_VERTICAL( hints ) ) { - error = af_latin_hints_detect_features( hints, AF_DIMENSION_VERT ); + axis = &metrics->axis[AF_DIMENSION_VERT]; + error = af_latin_hints_detect_features( hints, + axis->width_count, + axis->widths, + AF_DIMENSION_VERT ); if ( error ) goto Exit; diff --git a/freetype/src/autofit/aflatin.h b/freetype/src/autofit/aflatin.h index a958af36a..2c0bfca18 100644 --- a/freetype/src/autofit/aflatin.h +++ b/freetype/src/autofit/aflatin.h @@ -5,7 +5,7 @@ /* Auto-fitter hinting routines for latin writing system */ /* (specification). */ /* */ -/* Copyright 2003-2007, 2009, 2011-2013 by */ +/* Copyright 2003-2007, 2009, 2011-2014 by */ /* David Turner, Robert Wilhelm, and Werner Lemberg. */ /* */ /* This file is part of the FreeType project, and may only be used, */ @@ -53,6 +53,8 @@ FT_BEGIN_HEADER #define AF_LATIN_IS_TOP_BLUE( b ) \ ( (b)->properties & AF_BLUE_PROPERTY_LATIN_TOP ) +#define AF_LATIN_IS_NEUTRAL_BLUE( b ) \ + ( (b)->properties & AF_BLUE_PROPERTY_LATIN_NEUTRAL ) #define AF_LATIN_IS_X_HEIGHT_BLUE( b ) \ ( (b)->properties & AF_BLUE_PROPERTY_LATIN_X_HEIGHT ) #define AF_LATIN_IS_LONG_BLUE( b ) \ @@ -63,10 +65,11 @@ FT_BEGIN_HEADER enum { - AF_LATIN_BLUE_ACTIVE = 1 << 0, /* set if zone height is <= 3/4px */ - AF_LATIN_BLUE_TOP = 1 << 1, /* result of AF_LATIN_IS_TOP_BLUE */ - AF_LATIN_BLUE_ADJUSTMENT = 1 << 2, /* used for scale adjustment */ - /* optimization */ + AF_LATIN_BLUE_ACTIVE = 1 << 0, /* set if zone height is <= 3/4px */ + AF_LATIN_BLUE_TOP = 1 << 1, /* set if we have a top blue zone */ + AF_LATIN_BLUE_NEUTRAL = 1 << 2, /* set if we have neutral blue zone */ + AF_LATIN_BLUE_ADJUSTMENT = 1 << 3, /* used for scale adjustment */ + /* optimization */ AF_LATIN_BLUE_FLAG_MAX }; @@ -169,6 +172,8 @@ FT_BEGIN_HEADER FT_LOCAL( void ) af_latin_hints_link_segments( AF_GlyphHints hints, + FT_UInt width_count, + AF_WidthRec* widths, AF_Dimension dim ); FT_LOCAL( FT_Error ) @@ -177,6 +182,8 @@ FT_BEGIN_HEADER FT_LOCAL( FT_Error ) af_latin_hints_detect_features( AF_GlyphHints hints, + FT_UInt width_count, + AF_WidthRec* widths, AF_Dimension dim ); /* */ diff --git a/freetype/src/autofit/aflatin2.c b/freetype/src/autofit/aflatin2.c index 930fa9834..07590b380 100644 --- a/freetype/src/autofit/aflatin2.c +++ b/freetype/src/autofit/aflatin2.c @@ -4,7 +4,7 @@ /* */ /* Auto-fitter hinting routines for latin writing system (body). */ /* */ -/* Copyright 2003-2013 by */ +/* Copyright 2003-2014 by */ /* David Turner, Robert Wilhelm, and Werner Lemberg. */ /* */ /* This file is part of the FreeType project, and may only be used, */ @@ -890,9 +890,6 @@ FT_Pos last_v = last->v; - if ( first == last ) - continue; - if ( first_v < last_v ) { p = first->prev; @@ -984,7 +981,7 @@ #ifdef AF_SORT_SEGMENTS for ( seg1 = segments; seg1 < segment_mid; seg1++ ) { - if ( seg1->dir != axis->major_dir || seg1->first == seg1->last ) + if ( seg1->dir != axis->major_dir ) continue; for ( seg2 = segment_mid; seg2 < segment_limit; seg2++ ) @@ -992,9 +989,7 @@ /* now compare each segment to the others */ for ( seg1 = segments; seg1 < segment_limit; seg1++ ) { - /* the fake segments are introduced to hint the metrics -- */ - /* we must never link them to anything */ - if ( seg1->dir != axis->major_dir || seg1->first == seg1->last ) + if ( seg1->dir != axis->major_dir ) continue; for ( seg2 = segments; seg2 < segment_limit; seg2++ ) @@ -1194,9 +1189,10 @@ edge->first = seg; edge->last = seg; - edge->fpos = seg->pos; edge->dir = seg->dir; - edge->opos = edge->pos = FT_MulFix( seg->pos, scale ); + edge->fpos = seg->pos; + edge->opos = FT_MulFix( seg->pos, scale ); + edge->pos = edge->opos; seg->edge_next = seg; } else diff --git a/freetype/src/autofit/afloader.c b/freetype/src/autofit/afloader.c index 0fa3c1278..fb15c87f0 100644 --- a/freetype/src/autofit/afloader.c +++ b/freetype/src/autofit/afloader.c @@ -131,8 +131,8 @@ loader->trans_delta = internal->glyph_delta; inverse = loader->trans_matrix; - FT_Matrix_Invert( &inverse ); - FT_Vector_Transform( &loader->trans_delta, &inverse ); + if ( !FT_Matrix_Invert( &inverse ) ) + FT_Vector_Transform( &loader->trans_delta, &inverse ); } switch ( slot->format ) @@ -508,7 +508,7 @@ if ( !size ) - return FT_THROW( Invalid_Argument ); + return FT_THROW( Invalid_Size_Handle ); FT_ZERO( &scaler ); diff --git a/freetype/src/autofit/afmodule.c b/freetype/src/autofit/afmodule.c index ba3b283ae..d411f44e7 100644 --- a/freetype/src/autofit/afmodule.c +++ b/freetype/src/autofit/afmodule.c @@ -55,7 +55,7 @@ if ( !face ) - return FT_THROW( Invalid_Argument ); + return FT_THROW( Invalid_Face_Handle ); globals = (AF_FaceGlobals)face->autohint.data; if ( !globals ) @@ -103,8 +103,8 @@ AF_StyleClass style_class = AF_STYLE_CLASSES_GET[ss]; - if ( style_class->script == *fallback_script && - style_class->coverage == AF_COVERAGE_DEFAULT ) + if ( (FT_UInt)style_class->script == *fallback_script && + style_class->coverage == AF_COVERAGE_DEFAULT ) { module->fallback_style = ss; break; @@ -226,7 +226,7 @@ af_get_interface( FT_Module module, const char* module_interface ) { - /* AF_SERVICES_GET derefers `library' in PIC mode */ + /* AF_SERVICES_GET dereferences `library' in PIC mode */ #ifdef FT_CONFIG_OPTION_PIC FT_Library library; diff --git a/freetype/src/autofit/afranges.c b/freetype/src/autofit/afranges.c index 3d919b5a4..b2c504d42 100644 --- a/freetype/src/autofit/afranges.c +++ b/freetype/src/autofit/afranges.c @@ -21,51 +21,69 @@ const AF_Script_UniRangeRec af_cyrl_uniranges[] = { - AF_UNIRANGE_REC( 0x0400UL, 0x04FFUL ), /* Cyrillic */ + AF_UNIRANGE_REC( 0x0400UL, 0x04FFUL ), /* Cyrillic */ AF_UNIRANGE_REC( 0x0500UL, 0x052FUL ), /* Cyrillic Supplement */ AF_UNIRANGE_REC( 0x2DE0UL, 0x2DFFUL ), /* Cyrillic Extended-A */ AF_UNIRANGE_REC( 0xA640UL, 0xA69FUL ), /* Cyrillic Extended-B */ AF_UNIRANGE_REC( 0UL, 0UL ) }; + /* there are some characters in the Devanagari Unicode block that are */ + /* generic to Indic scripts; we omit them so that their presence doesn't */ + /* trigger Devanagari */ + + const AF_Script_UniRangeRec af_deva_uniranges[] = + { + AF_UNIRANGE_REC( 0x0900UL, 0x093BUL ), /* Devanagari */ + /* omitting U+093C nukta */ + AF_UNIRANGE_REC( 0x093DUL, 0x0950UL ), + /* omitting U+0951 udatta, U+0952 anudatta */ + AF_UNIRANGE_REC( 0x0953UL, 0x0963UL ), + /* omitting U+0964 danda, U+0965 double danda */ + AF_UNIRANGE_REC( 0x0966UL, 0x097FUL ), + AF_UNIRANGE_REC( 0x20B9UL, 0x20B9UL ), /* (new) Rupee sign */ + AF_UNIRANGE_REC( 0UL, 0UL ) + }; + const AF_Script_UniRangeRec af_grek_uniranges[] = { AF_UNIRANGE_REC( 0x0370UL, 0x03FFUL ), /* Greek and Coptic */ - AF_UNIRANGE_REC( 0x1F00UL, 0x1FFFUL ), /* Greek Extended */ + AF_UNIRANGE_REC( 0x1F00UL, 0x1FFFUL ), /* Greek Extended */ AF_UNIRANGE_REC( 0UL, 0UL ) }; const AF_Script_UniRangeRec af_hebr_uniranges[] = { - AF_UNIRANGE_REC( 0x0590UL, 0x05FFUL ), /* Hebrew */ + AF_UNIRANGE_REC( 0x0590UL, 0x05FFUL ), /* Hebrew */ AF_UNIRANGE_REC( 0xFB1DUL, 0xFB4FUL ), /* Alphab. Present. Forms (Hebrew) */ AF_UNIRANGE_REC( 0UL, 0UL ) }; const AF_Script_UniRangeRec af_latn_uniranges[] = { - AF_UNIRANGE_REC( 0x0020UL, 0x007FUL ), /* Basic Latin (no control chars) */ - AF_UNIRANGE_REC( 0x00A0UL, 0x00FFUL ), /* Latin-1 Supplement (no control chars) */ - AF_UNIRANGE_REC( 0x0100UL, 0x017FUL ), /* Latin Extended-A */ - AF_UNIRANGE_REC( 0x0180UL, 0x024FUL ), /* Latin Extended-B */ - AF_UNIRANGE_REC( 0x0250UL, 0x02AFUL ), /* IPA Extensions */ - AF_UNIRANGE_REC( 0x02B0UL, 0x02FFUL ), /* Spacing Modifier Letters */ - AF_UNIRANGE_REC( 0x0300UL, 0x036FUL ), /* Combining Diacritical Marks */ - AF_UNIRANGE_REC( 0x1D00UL, 0x1D7FUL ), /* Phonetic Extensions */ - AF_UNIRANGE_REC( 0x1D80UL, 0x1DBFUL ), /* Phonetic Extensions Supplement */ + AF_UNIRANGE_REC( 0x0020UL, 0x007FUL ), /* Basic Latin (no control chars) */ + AF_UNIRANGE_REC( 0x00A0UL, 0x00FFUL ), /* Latin-1 Supplement (no control chars) */ + AF_UNIRANGE_REC( 0x0100UL, 0x017FUL ), /* Latin Extended-A */ + AF_UNIRANGE_REC( 0x0180UL, 0x024FUL ), /* Latin Extended-B */ + AF_UNIRANGE_REC( 0x0250UL, 0x02AFUL ), /* IPA Extensions */ + AF_UNIRANGE_REC( 0x02B0UL, 0x02FFUL ), /* Spacing Modifier Letters */ + AF_UNIRANGE_REC( 0x0300UL, 0x036FUL ), /* Combining Diacritical Marks */ + AF_UNIRANGE_REC( 0x1D00UL, 0x1D7FUL ), /* Phonetic Extensions */ + AF_UNIRANGE_REC( 0x1D80UL, 0x1DBFUL ), /* Phonetic Extensions Supplement */ AF_UNIRANGE_REC( 0x1DC0UL, 0x1DFFUL ), /* Combining Diacritical Marks Supplement */ - AF_UNIRANGE_REC( 0x1E00UL, 0x1EFFUL ), /* Latin Extended Additional */ - AF_UNIRANGE_REC( 0x2000UL, 0x206FUL ), /* General Punctuation */ - AF_UNIRANGE_REC( 0x2070UL, 0x209FUL ), /* Superscripts and Subscripts */ - AF_UNIRANGE_REC( 0x20A0UL, 0x20CFUL ), /* Currency Symbols */ - AF_UNIRANGE_REC( 0x2150UL, 0x218FUL ), /* Number Forms */ - AF_UNIRANGE_REC( 0x2460UL, 0x24FFUL ), /* Enclosed Alphanumerics */ - AF_UNIRANGE_REC( 0x2C60UL, 0x2C7FUL ), /* Latin Extended-C */ - AF_UNIRANGE_REC( 0x2E00UL, 0x2E7FUL ), /* Supplemental Punctuation */ - AF_UNIRANGE_REC( 0xA720UL, 0xA7FFUL ), /* Latin Extended-D */ - AF_UNIRANGE_REC( 0xFB00UL, 0xFB06UL ), /* Alphab. Present. Forms (Latin Ligs) */ - AF_UNIRANGE_REC( 0x1D400UL, 0x1D7FFUL ), /* Mathematical Alphanumeric Symbols */ - AF_UNIRANGE_REC( 0x1F100UL, 0x1F1FFUL ), /* Enclosed Alphanumeric Supplement */ + AF_UNIRANGE_REC( 0x1E00UL, 0x1EFFUL ), /* Latin Extended Additional */ + AF_UNIRANGE_REC( 0x2000UL, 0x206FUL ), /* General Punctuation */ + AF_UNIRANGE_REC( 0x2070UL, 0x209FUL ), /* Superscripts and Subscripts */ + AF_UNIRANGE_REC( 0x20A0UL, 0x20B8UL ), /* Currency Symbols ... */ + AF_UNIRANGE_REC( 0x20BAUL, 0x20CFUL ), /* ... except new Rupee sign */ + AF_UNIRANGE_REC( 0x2150UL, 0x218FUL ), /* Number Forms */ + AF_UNIRANGE_REC( 0x2460UL, 0x24FFUL ), /* Enclosed Alphanumerics */ + AF_UNIRANGE_REC( 0x2C60UL, 0x2C7FUL ), /* Latin Extended-C */ + AF_UNIRANGE_REC( 0x2E00UL, 0x2E7FUL ), /* Supplemental Punctuation */ + AF_UNIRANGE_REC( 0xA720UL, 0xA7FFUL ), /* Latin Extended-D */ + AF_UNIRANGE_REC( 0xFB00UL, 0xFB06UL ), /* Alphab. Present. Forms (Latin Ligs) */ + AF_UNIRANGE_REC( 0x1D400UL, 0x1D7FFUL ), /* Mathematical Alphanumeric Symbols */ + AF_UNIRANGE_REC( 0x1F100UL, 0x1F1FFUL ), /* Enclosed Alphanumeric Supplement */ AF_UNIRANGE_REC( 0UL, 0UL ) }; @@ -74,17 +92,17 @@ AF_UNIRANGE_REC( 0UL, 0UL ) }; -#ifdef AF_CONFIG_OPTION_INDIC - - const AF_Script_UniRangeRec af_beng_uniranges[] = + const AF_Script_UniRangeRec af_telu_uniranges[] = { - AF_UNIRANGE_REC( 0x0980UL, 0x09FFUL ), /* Bengali */ + AF_UNIRANGE_REC( 0x0C00UL, 0x0C7FUL ), /* Telugu */ AF_UNIRANGE_REC( 0UL, 0UL ) }; - const AF_Script_UniRangeRec af_deva_uniranges[] = +#ifdef AF_CONFIG_OPTION_INDIC + + const AF_Script_UniRangeRec af_beng_uniranges[] = { - AF_UNIRANGE_REC( 0x0900UL, 0x097FUL ), /* Devanagari */ + AF_UNIRANGE_REC( 0x0980UL, 0x09FFUL ), /* Bengali */ AF_UNIRANGE_REC( 0UL, 0UL ) }; @@ -148,12 +166,6 @@ AF_UNIRANGE_REC( 0UL, 0UL ) }; - const AF_Script_UniRangeRec af_telu_uniranges[] = - { - AF_UNIRANGE_REC( 0x0C00UL, 0x0C7FUL ), /* Telugu */ - AF_UNIRANGE_REC( 0UL, 0UL ) - }; - const AF_Script_UniRangeRec af_tibt_uniranges[] = { AF_UNIRANGE_REC( 0x0F00UL, 0x0FFFUL ), /* Tibetan */ diff --git a/freetype/src/autofit/afscript.h b/freetype/src/autofit/afscript.h index ae209322e..efe8754df 100644 --- a/freetype/src/autofit/afscript.h +++ b/freetype/src/autofit/afscript.h @@ -31,6 +31,11 @@ HB_SCRIPT_CYRILLIC, 0x43E, 0x41E, 0x0 ) /* оО */ + SCRIPT( deva, DEVA, + "Devanagari", + HB_SCRIPT_DEVANAGARI, + 0x920, 0x935, 0x91F ) /* ठ व ट */ + SCRIPT( grek, GREK, "Greek", HB_SCRIPT_GREEK, @@ -51,6 +56,12 @@ HB_SCRIPT_INVALID, 0x0, 0x0, 0x0 ) + /* there are no simple forms for letters; we thus use two digit shapes */ + SCRIPT( telu, TELU, + "Telugu", + HB_SCRIPT_TELUGU, + 0xC66, 0xC67, 0x0 ) /* ౦ ౧ */ + #ifdef AF_CONFIG_OPTION_INDIC SCRIPT( beng, BENG, @@ -58,11 +69,6 @@ HB_SCRIPT_BENGALI, 'o', 0x0, 0x0 ) /* XXX */ - SCRIPT( deva, DEVA, - "Devanagari", - HB_SCRIPT_DEVANAGARI, - 'o', 0x0, 0x0 ) /* XXX */ - SCRIPT( gujr, GUJR, "Gujarati", HB_SCRIPT_GUJARATI, @@ -113,11 +119,6 @@ HB_SCRIPT_TAMIL, 'o', 0x0, 0x0 ) /* XXX */ - SCRIPT( telu, TELU, - "Telugu", - HB_SCRIPT_TELUGU, - 'o', 0x0, 0x0 ) /* XXX */ - SCRIPT( tibt, TIBT, "Tibetan", HB_SCRIPT_TIBETAN, diff --git a/freetype/src/autofit/afstyles.h b/freetype/src/autofit/afstyles.h index 429da7664..f14d354cc 100644 --- a/freetype/src/autofit/afstyles.h +++ b/freetype/src/autofit/afstyles.h @@ -81,7 +81,9 @@ DEFAULT ) META_STYLE_LATIN( cyrl, CYRL, "Cyrillic" ) + META_STYLE_LATIN( grek, GREK, "Greek" ) + STYLE( hebr_dflt, HEBR_DFLT, "Hebrew default style", AF_WRITING_SYSTEM_LATIN, @@ -90,6 +92,13 @@ AF_COVERAGE_DEFAULT ) META_STYLE_LATIN( latn, LATN, "Latin" ) + STYLE( deva_dflt, DEVA_DFLT, + "Devanagari default style", + AF_WRITING_SYSTEM_LATIN, + AF_SCRIPT_DEVA, + AF_BLUE_STRINGSET_DEVA, + AF_COVERAGE_DEFAULT ) + #ifdef FT_OPTION_AUTOFIT2 STYLE( ltn2_dflt, LTN2_DFLT, "Latin 2 default style", @@ -106,6 +115,13 @@ (AF_Blue_Stringset)0, AF_COVERAGE_DEFAULT ) + STYLE( telu_dflt, TELU_DFLT, + "Telugu default style", + AF_WRITING_SYSTEM_LATIN, + AF_SCRIPT_TELU, + AF_BLUE_STRINGSET_TELU, + AF_COVERAGE_DEFAULT ) + #ifdef AF_CONFIG_OPTION_INDIC /* no blue stringset support for the Indic writing system yet */ @@ -119,7 +135,6 @@ AF_COVERAGE_DEFAULT ) STYLE_DEFAULT_INDIC( beng, BENG, "Bengali" ) - STYLE_DEFAULT_INDIC( deva, DEVA, "Devanagari" ) STYLE_DEFAULT_INDIC( gujr, GUJR, "Gujarati" ) STYLE_DEFAULT_INDIC( guru, GURU, "Gurmukhi" ) STYLE_DEFAULT_INDIC( knda, KNDA, "Kannada" ) @@ -130,7 +145,6 @@ STYLE_DEFAULT_INDIC( sund, SUND, "Sundanese" ) STYLE_DEFAULT_INDIC( sylo, SYLO, "Syloti Nagri" ) STYLE_DEFAULT_INDIC( taml, TAML, "Tamil" ) - STYLE_DEFAULT_INDIC( telu, TELU, "Telugu" ) STYLE_DEFAULT_INDIC( tibt, TIBT, "Tibetan" ) #endif /* AF_CONFIG_OPTION_INDIC */ diff --git a/freetype/src/autofit/hbshim.c b/freetype/src/autofit/hbshim.c index 11fb743e8..a705cef00 100644 --- a/freetype/src/autofit/hbshim.c +++ b/freetype/src/autofit/hbshim.c @@ -247,6 +247,7 @@ * (this is, not a single character is covered), we skip this coverage. * */ + if ( style_class->coverage != AF_COVERAGE_DEFAULT ) { AF_Blue_Stringset bss = style_class->blue_stringset; const AF_Blue_StringRec* bs = &af_blue_stringsets[bss]; @@ -328,8 +329,15 @@ * out whether a glyph gets shifted vertically, but this is something I * would like to avoid if not really necessary. * + * Note that we don't follow this logic for the default coverage. + * Complex scripts like Devanagari have mandatory GPOS features to + * position many glyph elements, using mark-to-base or mark-to-ligature + * tables; the number of glyphs missed due to condition (b) would be far + * too large. + * */ - hb_set_subtract( gsub_glyphs, gpos_glyphs ); + if ( style_class->coverage != AF_COVERAGE_DEFAULT ) + hb_set_subtract( gsub_glyphs, gpos_glyphs ); #ifdef FT_DEBUG_LEVEL_TRACE FT_TRACE4(( " glyphs without GPOS data (`*' means already assigned)" )); @@ -347,6 +355,12 @@ count++; #endif + /* glyph indices returned by `hb_ot_layout_lookup_collect_glyphs' */ + /* can be arbitrary: some fonts use fake indices for processing */ + /* internal to GSUB or GPOS, which is fully valid */ + if ( idx >= (hb_codepoint_t)globals->glyph_count ) + continue; + if ( gstyles[idx] == AF_STYLE_UNASSIGNED ) gstyles[idx] = (FT_Byte)style_class->style; #ifdef FT_DEBUG_LEVEL_TRACE diff --git a/freetype/src/base/ftadvanc.c b/freetype/src/base/ftadvanc.c index 24da83dbb..797057b65 100644 --- a/freetype/src/base/ftadvanc.c +++ b/freetype/src/base/ftadvanc.c @@ -4,7 +4,7 @@ /* */ /* Quick computation of advance widths (body). */ /* */ -/* Copyright 2008, 2009, 2011, 2013 by */ +/* Copyright 2008, 2009, 2011, 2013, 2014 by */ /* David Turner, Robert Wilhelm, and Werner Lemberg. */ /* */ /* This file is part of the FreeType project, and may only be used, */ @@ -80,6 +80,9 @@ if ( !face ) return FT_THROW( Invalid_Face_Handle ); + if ( !padvance ) + return FT_THROW( Invalid_Argument ); + if ( gindex >= (FT_UInt)face->num_glyphs ) return FT_THROW( Invalid_Glyph_Index ); @@ -118,6 +121,9 @@ if ( !face ) return FT_THROW( Invalid_Face_Handle ); + if ( !padvances ) + return FT_THROW( Invalid_Argument ); + num = (FT_UInt)face->num_glyphs; end = start + count; if ( start >= num || end < start || end > num ) diff --git a/freetype/src/base/ftbbox.c b/freetype/src/base/ftbbox.c index 36048c296..c703e50cd 100644 --- a/freetype/src/base/ftbbox.c +++ b/freetype/src/base/ftbbox.c @@ -4,7 +4,7 @@ /* */ /* FreeType bbox computation (body). */ /* */ -/* Copyright 1996-2002, 2004, 2006, 2010, 2013 by */ +/* Copyright 1996-2002, 2004, 2006, 2010, 2013, 2014 by */ /* David Turner, Robert Wilhelm, and Werner Lemberg. */ /* */ /* This file is part of the FreeType project, and may only be used */ @@ -42,16 +42,35 @@ } TBBox_Rec; +#define FT_UPDATE_BBOX( p, bbox ) \ + FT_BEGIN_STMNT \ + if ( p->x < bbox.xMin ) \ + bbox.xMin = p->x; \ + if ( p->x > bbox.xMax ) \ + bbox.xMax = p->x; \ + if ( p->y < bbox.yMin ) \ + bbox.yMin = p->y; \ + if ( p->y > bbox.yMax ) \ + bbox.yMax = p->y; \ + FT_END_STMNT + +#define CHECK_X( p, bbox ) \ + ( p->x < bbox.xMin || p->x > bbox.xMax ) + +#define CHECK_Y( p, bbox ) \ + ( p->y < bbox.yMin || p->y > bbox.yMax ) + + /*************************************************************************/ /* */ /* <Function> */ /* BBox_Move_To */ /* */ /* <Description> */ - /* This function is used as a `move_to' and `line_to' emitter during */ + /* This function is used as a `move_to' emitter during */ /* FT_Outline_Decompose(). It simply records the destination point */ - /* in `user->last'; no further computations are necessary since we */ - /* use the cbox as the starting bbox which must be refined. */ + /* in `user->last'. We also update bbox in case contour starts with */ + /* an implicit `on' point. */ /* */ /* <Input> */ /* to :: A pointer to the destination vector. */ @@ -66,17 +85,42 @@ BBox_Move_To( FT_Vector* to, TBBox_Rec* user ) { + FT_UPDATE_BBOX( to, user->bbox ); + user->last = *to; return 0; } -#define CHECK_X( p, bbox ) \ - ( p->x < bbox.xMin || p->x > bbox.xMax ) + /*************************************************************************/ + /* */ + /* <Function> */ + /* BBox_Line_To */ + /* */ + /* <Description> */ + /* This function is used as a `line_to' emitter during */ + /* FT_Outline_Decompose(). It simply records the destination point */ + /* in `user->last'; no further computations are necessary because */ + /* bbox already contains both explicit ends of the line segment. */ + /* */ + /* <Input> */ + /* to :: A pointer to the destination vector. */ + /* */ + /* <InOut> */ + /* user :: A pointer to the current walk context. */ + /* */ + /* <Return> */ + /* Always 0. Needed for the interface only. */ + /* */ + static int + BBox_Line_To( FT_Vector* to, + TBBox_Rec* user ) + { + user->last = *to; -#define CHECK_Y( p, bbox ) \ - ( p->y < bbox.yMin || p->y > bbox.yMax ) + return 0; + } /*************************************************************************/ @@ -155,8 +199,8 @@ FT_Vector* to, TBBox_Rec* user ) { - /* we don't need to check `to' since it is always an `on' point, thus */ - /* within the bbox */ + /* in case `to' is implicit and not included in bbox yet */ + FT_UPDATE_BBOX( to, user->bbox ); if ( CHECK_X( control, user->bbox ) ) BBox_Conic_Check( user->last.x, @@ -203,15 +247,48 @@ /* max :: The address of the current maximum. */ /* */ static FT_Pos - update_cubic_max( FT_Pos q1, - FT_Pos q2, - FT_Pos q3, - FT_Pos q4, - FT_Pos max ) + cubic_peak( FT_Pos q1, + FT_Pos q2, + FT_Pos q3, + FT_Pos q4 ) { - /* for a cubic segment to possibly reach new maximum, at least */ - /* one of its off-points must stay above the current value */ - while ( q2 > max || q3 > max ) + FT_Pos peak = 0; + FT_Int shift; + + /* This function finds a peak of a cubic segment if it is above 0 */ + /* using iterative bisection of the segment, or returns 0. */ + /* The fixed-point arithmetic of bisection is inherently stable */ + /* but may loose accuracy in the two lowest bits. To compensate, */ + /* we upscale the segment if there is room. Large values may need */ + /* to be downscaled to avoid overflows during bisection. */ + /* It is called with either q2 or q3 positive, which is necessary */ + /* for the peak to exist and avoids undefined FT_MSB. */ + + shift = 27 - + FT_MSB( FT_ABS( q1 ) | FT_ABS( q2 ) | FT_ABS( q3 ) | FT_ABS( q4 ) ); + + if ( shift > 0 ) + { + /* upscaling too much just wastes time */ + if ( shift > 2 ) + shift = 2; + + q1 <<= shift; + q2 <<= shift; + q3 <<= shift; + q4 <<= shift; + } + else + { + q1 >>= -shift; + q2 >>= -shift; + q3 >>= -shift; + q4 >>= -shift; + } + + /* for a peak to exist above 0, the cubic segment must have */ + /* at least one of its control off-points above 0. */ + while ( q2 > 0 || q3 > 0 ) { /* determine which half contains the maximum and split */ if ( q1 + q2 > q3 + q4 ) /* first half */ @@ -240,17 +317,22 @@ /* check whether either end reached the maximum */ if ( q1 == q2 && q1 >= q3 ) { - max = q1; + peak = q1; break; } if ( q3 == q4 && q2 <= q4 ) { - max = q4; + peak = q4; break; } } - return max; + if ( shift > 0 ) + peak >>= shift; + else + peak <<= -shift; + + return peak; } @@ -262,65 +344,17 @@ FT_Pos* min, FT_Pos* max ) { - FT_Pos nmin, nmax; - FT_Int shift; - - /* This function is only called when a control off-point is outside */ - /* the bbox that contains all on-points. It finds a local extremum */ - /* within the segment using iterative bisection of the segment. */ - /* The fixed-point arithmetic of bisection is inherently stable */ - /* but may loose accuracy in the two lowest bits. To compensate, */ - /* we upscale the segment if there is room. Large values may need */ - /* to be downscaled to avoid overflows during bisection. */ - /* The control off-point outside the bbox is likely to have the top */ - /* absolute value among arguments. */ - - shift = 27 - FT_MSB( FT_ABS( p2 ) | FT_ABS( p3 ) ); - - if ( shift > 0 ) - { - /* upscaling too much just wastes time */ - if ( shift > 2 ) - shift = 2; - - p1 <<= shift; - p2 <<= shift; - p3 <<= shift; - p4 <<= shift; - nmin = *min << shift; - nmax = *max << shift; - } - else - { - p1 >>= -shift; - p2 >>= -shift; - p3 >>= -shift; - p4 >>= -shift; - nmin = *min >> -shift; - nmax = *max >> -shift; - } + /* the bbox that contains all on-points. So at least one of the */ + /* conditions below holds and cubic_peak is called with at least one */ + /* non-zero argument. */ - nmax = update_cubic_max( p1, p2, p3, p4, nmax ); + if ( p2 > *max || p3 > *max ) + *max += cubic_peak( p1 - *max, p2 - *max, p3 - *max, p4 - *max ); /* now flip the signs to update the minimum */ - nmin = -update_cubic_max( -p1, -p2, -p3, -p4, -nmin ); - - if ( shift > 0 ) - { - nmin >>= shift; - nmax >>= shift; - } - else - { - nmin <<= -shift; - nmax <<= -shift; - } - - if ( nmin < *min ) - *min = nmin; - if ( nmax > *max ) - *max = nmax; + if ( p2 < *min || p3 < *min ) + *min -= cubic_peak( *min - p1, *min - p2, *min - p3, *min - p4 ); } @@ -385,22 +419,26 @@ return 0; } -FT_DEFINE_OUTLINE_FUNCS(bbox_interface, + + FT_DEFINE_OUTLINE_FUNCS(bbox_interface, (FT_Outline_MoveTo_Func) BBox_Move_To, - (FT_Outline_LineTo_Func) BBox_Move_To, + (FT_Outline_LineTo_Func) BBox_Line_To, (FT_Outline_ConicTo_Func)BBox_Conic_To, (FT_Outline_CubicTo_Func)BBox_Cubic_To, 0, 0 ) + /* documentation is in ftbbox.h */ FT_EXPORT_DEF( FT_Error ) FT_Outline_Get_BBox( FT_Outline* outline, FT_BBox *abbox ) { - FT_BBox cbox; - FT_BBox bbox; + FT_BBox cbox = { 0x7FFFFFFFL, 0x7FFFFFFFL, + -0x7FFFFFFFL, -0x7FFFFFFFL }; + FT_BBox bbox = { 0x7FFFFFFFL, 0x7FFFFFFFL, + -0x7FFFFFFFL, -0x7FFFFFFFL }; FT_Vector* vec; FT_UShort n; @@ -424,32 +462,13 @@ FT_DEFINE_OUTLINE_FUNCS(bbox_interface, /* coincide, we exit immediately. */ vec = outline->points; - bbox.xMin = bbox.xMax = cbox.xMin = cbox.xMax = vec->x; - bbox.yMin = bbox.yMax = cbox.yMin = cbox.yMax = vec->y; - vec++; - for ( n = 1; n < outline->n_points; n++ ) + for ( n = 0; n < outline->n_points; n++ ) { - FT_Pos x = vec->x; - FT_Pos y = vec->y; - - - /* update control box */ - if ( x < cbox.xMin ) cbox.xMin = x; - if ( x > cbox.xMax ) cbox.xMax = x; - - if ( y < cbox.yMin ) cbox.yMin = y; - if ( y > cbox.yMax ) cbox.yMax = y; + FT_UPDATE_BBOX( vec, cbox); if ( FT_CURVE_TAG( outline->tags[n] ) == FT_CURVE_TAG_ON ) - { - /* update bbox for `on' points only */ - if ( x < bbox.xMin ) bbox.xMin = x; - if ( x > bbox.xMax ) bbox.xMax = x; - - if ( y < bbox.yMin ) bbox.yMin = y; - if ( y > bbox.yMax ) bbox.yMax = y; - } + FT_UPDATE_BBOX( vec, bbox); vec++; } diff --git a/freetype/src/base/ftbdf.c b/freetype/src/base/ftbdf.c index fccbfedde..d9dcbad5e 100644 --- a/freetype/src/base/ftbdf.c +++ b/freetype/src/base/ftbdf.c @@ -4,7 +4,7 @@ /* */ /* FreeType API for accessing BDF-specific strings (body). */ /* */ -/* Copyright 2002-2004, 2013 by */ +/* Copyright 2002-2004, 2013, 2014 by */ /* David Turner, Robert Wilhelm, and Werner Lemberg. */ /* */ /* This file is part of the FreeType project, and may only be used, */ @@ -17,7 +17,9 @@ #include <ft2build.h> -#include <internal/ftobjs.h> +#include FT_INTERNAL_DEBUG_H + +#include FT_INTERNAL_OBJECTS_H #include FT_SERVICE_BDF_H @@ -32,19 +34,18 @@ const char* encoding = NULL; const char* registry = NULL; + FT_Service_BDF service; - error = FT_ERR( Invalid_Argument ); - - if ( face ) - { - FT_Service_BDF service; + if ( !face ) + return FT_THROW( Invalid_Face_Handle ); - FT_FACE_FIND_SERVICE( face, service, BDF ); + FT_FACE_FIND_SERVICE( face, service, BDF ); - if ( service && service->get_charset_id ) - error = service->get_charset_id( face, &encoding, ®istry ); - } + if ( service && service->get_charset_id ) + error = service->get_charset_id( face, &encoding, ®istry ); + else + error = FT_THROW( Invalid_Argument ); if ( acharset_encoding ) *acharset_encoding = encoding; @@ -65,23 +66,25 @@ { FT_Error error; + FT_Service_BDF service; - error = FT_ERR( Invalid_Argument ); - aproperty->type = BDF_PROPERTY_TYPE_NONE; + if ( !face ) + return FT_THROW( Invalid_Face_Handle ); - if ( face ) - { - FT_Service_BDF service; + if ( !aproperty ) + return FT_THROW( Invalid_Argument ); + aproperty->type = BDF_PROPERTY_TYPE_NONE; - FT_FACE_FIND_SERVICE( face, service, BDF ); + FT_FACE_FIND_SERVICE( face, service, BDF ); - if ( service && service->get_property ) - error = service->get_property( face, prop_name, aproperty ); - } + if ( service && service->get_property ) + error = service->get_property( face, prop_name, aproperty ); + else + error = FT_THROW( Invalid_Argument ); - return error; + return error; } diff --git a/freetype/src/base/ftbitmap.c b/freetype/src/base/ftbitmap.c index 887722a93..2f26b2f28 100644 --- a/freetype/src/base/ftbitmap.c +++ b/freetype/src/base/ftbitmap.c @@ -33,7 +33,8 @@ FT_EXPORT_DEF( void ) FT_Bitmap_New( FT_Bitmap *abitmap ) { - *abitmap = null_bitmap; + if ( abitmap ) + *abitmap = null_bitmap; } @@ -44,25 +45,42 @@ const FT_Bitmap *source, FT_Bitmap *target) { - FT_Memory memory = library->memory; + FT_Memory memory; FT_Error error = FT_Err_Ok; - FT_Int pitch = source->pitch; - FT_ULong size; + FT_Int pitch; + FT_ULong size; + + FT_Int source_pitch_sign, target_pitch_sign; + + + if ( !library ) + return FT_THROW( Invalid_Library_Handle ); + + if ( !source || !target ) + return FT_THROW( Invalid_Argument ); if ( source == target ) return FT_Err_Ok; + source_pitch_sign = source->pitch < 0 ? -1 : 1; + target_pitch_sign = target->pitch < 0 ? -1 : 1; + if ( source->buffer == NULL ) { *target = *source; + if ( source_pitch_sign != target_pitch_sign ) + target->pitch = -target->pitch; return FT_Err_Ok; } + memory = library->memory; + pitch = source->pitch; + if ( pitch < 0 ) pitch = -pitch; - size = (FT_ULong)( pitch * source->rows ); + size = (FT_ULong)pitch * source->rows; if ( target->buffer ) { @@ -70,9 +88,9 @@ FT_ULong target_size; - if ( target_pitch < 0 ) + if ( target_pitch < 0 ) target_pitch = -target_pitch; - target_size = (FT_ULong)( target_pitch * target->rows ); + target_size = (FT_ULong)target_pitch * target->rows; if ( target_size != size ) (void)FT_QREALLOC( target->buffer, target_size, size ); @@ -89,13 +107,35 @@ *target = *source; target->buffer = p; - FT_MEM_COPY( target->buffer, source->buffer, size ); + if ( source_pitch_sign == target_pitch_sign ) + FT_MEM_COPY( target->buffer, source->buffer, size ); + else + { + /* take care of bitmap flow */ + FT_UInt i; + FT_Byte* s = source->buffer; + FT_Byte* t = target->buffer; + + + t += pitch * ( target->rows - 1 ); + + for ( i = target->rows; i > 0; i-- ) + { + FT_ARRAY_COPY( t, s, pitch ); + + s += pitch; + t -= pitch; + } + } } return error; } + /* Enlarge `bitmap' horizontally and vertically by `xpixels' */ + /* and `ypixels', respectively. */ + static FT_Error ft_bitmap_assure_buffer( FT_Memory memory, FT_Bitmap* bitmap, @@ -106,7 +146,7 @@ int pitch; int new_pitch; FT_UInt bpp; - FT_Int i, width, height; + FT_UInt i, width, height; unsigned char* buffer = NULL; @@ -144,17 +184,17 @@ if ( ypixels == 0 && new_pitch <= pitch ) { /* zero the padding */ - FT_Int bit_width = pitch * 8; - FT_Int bit_last = ( width + xpixels ) * bpp; + FT_UInt bit_width = pitch * 8; + FT_UInt bit_last = ( width + xpixels ) * bpp; if ( bit_last < bit_width ) { FT_Byte* line = bitmap->buffer + ( bit_last >> 3 ); FT_Byte* end = bitmap->buffer + pitch; - FT_Int shift = bit_last & 7; + FT_UInt shift = bit_last & 7; FT_UInt mask = 0xFF00U >> shift; - FT_Int count = height; + FT_UInt count = height; for ( ; count > 0; count--, line += pitch, end += pitch ) @@ -168,19 +208,22 @@ write++; } if ( write < end ) - FT_MEM_ZERO( write, end-write ); + FT_MEM_ZERO( write, end - write ); } } return FT_Err_Ok; } + /* otherwise allocate new buffer */ if ( FT_QALLOC_MULT( buffer, new_pitch, bitmap->rows + ypixels ) ) return error; + /* new rows get added at the top of the bitmap, */ + /* thus take care of the flow direction */ if ( bitmap->pitch > 0 ) { - FT_Int len = ( width * bpp + 7 ) >> 3; + FT_UInt len = ( width * bpp + 7 ) >> 3; for ( i = 0; i < bitmap->rows; i++ ) @@ -189,7 +232,7 @@ } else { - FT_Int len = ( width * bpp + 7 ) >> 3; + FT_UInt len = ( width * bpp + 7 ) >> 3; for ( i = 0; i < bitmap->rows; i++ ) @@ -220,7 +263,8 @@ { FT_Error error; unsigned char* p; - FT_Int i, x, y, pitch; + FT_Int i, x, pitch; + FT_UInt y; FT_Int xstr, ystr; @@ -248,17 +292,11 @@ case FT_PIXEL_MODE_GRAY4: { FT_Bitmap tmp; - FT_Int align; - - if ( bitmap->pixel_mode == FT_PIXEL_MODE_GRAY2 ) - align = ( bitmap->width + xstr + 3 ) / 4; - else - align = ( bitmap->width + xstr + 1 ) / 2; + /* convert to 8bpp */ FT_Bitmap_New( &tmp ); - - error = FT_Bitmap_Convert( library, bitmap, &tmp, align ); + error = FT_Bitmap_Convert( library, bitmap, &tmp, 1 ); if ( error ) return error; @@ -289,6 +327,7 @@ if ( error ) return error; + /* take care of bitmap flow */ pitch = bitmap->pitch; if ( pitch > 0 ) p = bitmap->buffer + pitch * ystr; @@ -309,7 +348,7 @@ */ for ( x = pitch - 1; x >= 0; x-- ) { - unsigned char tmp; + unsigned char tmp; tmp = p[x]; @@ -324,7 +363,7 @@ p[x] |= p[x - 1] << ( 8 - i ); #if 0 - if ( p[x] == 0xff ) + if ( p[x] == 0xFF ) break; #endif } @@ -334,12 +373,12 @@ { if ( p[x] + p[x - i] > bitmap->num_grays - 1 ) { - p[x] = (unsigned char)(bitmap->num_grays - 1); + p[x] = (unsigned char)( bitmap->num_grays - 1 ); break; } else { - p[x] = (unsigned char)(p[x] + p[x-i]); + p[x] = (unsigned char)( p[x] + p[x - i] ); if ( p[x] == bitmap->num_grays - 1 ) break; } @@ -378,14 +417,11 @@ static FT_Byte ft_gray_for_premultiplied_srgb_bgra( const FT_Byte* bgra ) { - FT_Long a = bgra[3]; - FT_Long b = bgra[0]; - FT_Long g = bgra[1]; - FT_Long r = bgra[2]; - FT_Long l; + FT_UInt a = bgra[3]; + FT_UInt l; - /* Short-circuit transparent color to avoid div-by-zero. */ + /* Short-circuit transparent color to avoid division by zero. */ if ( !a ) return 0; @@ -395,40 +431,32 @@ * A gamma of 2.2 is fair to assume. And then, we need to * undo the premultiplication too. * - * http://accessibility.kde.org/hsl-adjusted.php + * http://accessibility.kde.org/hsl-adjusted.php + * + * We do the computation with integers only, applying a gamma of 2.0. + * We guarantee 32-bit arithmetic to avoid overflow but the resulting + * luminosity fits into 16 bits. * - * We do the computation with integers only. */ - /* Undo premultification, get the number in a 16.16 form. */ - b = FT_MulDiv( b, 65536, a ); - g = FT_MulDiv( g, 65536, a ); - r = FT_MulDiv( r, 65536, a ); - a = a * 256; - - /* Apply gamma of 2.0 instead of 2.2. */ - b = FT_MulFix( b, b ); - g = FT_MulFix( g, g ); - r = FT_MulFix( r, r ); - - /* Apply coefficients. */ - b = FT_MulFix( b, 4731 /* 0.0722 * 65536 */ ); - g = FT_MulFix( g, 46871 /* 0.7152 * 65536 */ ); - r = FT_MulFix( r, 13933 /* 0.2126 * 65536 */ ); - - l = r + g + b; + l = ( 4732UL /* 0.0722 * 65536 */ * bgra[0] * bgra[0] + + 46871UL /* 0.7152 * 65536 */ * bgra[1] * bgra[1] + + 13933UL /* 0.2126 * 65536 */ * bgra[2] * bgra[2] ) >> 16; /* - * Final transparency can be determined this way: + * Final transparency can be determined as follows. * * - If alpha is zero, we want 0. * - If alpha is zero and luminosity is zero, we want 255. * - If alpha is zero and luminosity is one, we want 0. * - * So the formula is a * (1 - l). + * So the formula is a * (1 - l) = a - l * a. + * + * We still need to undo premultiplication by dividing l by a*a. + * */ - return (FT_Byte)( FT_MulFix( 65535 - l, a ) >> 8 ); + return (FT_Byte)( a - l / a ); } @@ -443,10 +471,16 @@ FT_Error error = FT_Err_Ok; FT_Memory memory; + FT_Byte* s; + FT_Byte* t; + if ( !library ) return FT_THROW( Invalid_Library_Handle ); + if ( !source || !target ) + return FT_THROW( Invalid_Argument ); + memory = library->memory; switch ( source->pixel_mode ) @@ -459,13 +493,15 @@ case FT_PIXEL_MODE_LCD_V: case FT_PIXEL_MODE_BGRA: { - FT_Int pad; - FT_Long old_size; + FT_Int pad, old_target_pitch, target_pitch; + FT_ULong old_size; - old_size = target->rows * target->pitch; - if ( old_size < 0 ) - old_size = -old_size; + old_target_pitch = target->pitch; + if ( old_target_pitch < 0 ) + old_target_pitch = -old_target_pitch; + + old_size = target->rows * old_target_pitch; target->pixel_mode = FT_PIXEL_MODE_GRAY; target->rows = source->rows; @@ -479,16 +515,18 @@ pad = alignment - pad; } - target->pitch = source->width + pad; + target_pitch = source->width + pad; - if ( target->pitch > 0 && - (FT_ULong)target->rows > FT_ULONG_MAX / target->pitch ) + if ( target_pitch > 0 && + (FT_ULong)target->rows > FT_ULONG_MAX / target_pitch ) return FT_THROW( Invalid_Argument ); - if ( target->rows * target->pitch > old_size && + if ( target->rows * target_pitch > old_size && FT_QREALLOC( target->buffer, - old_size, target->rows * target->pitch ) ) + old_size, target->rows * target_pitch ) ) return error; + + target->pitch = target->pitch < 0 ? -target_pitch : target_pitch; } break; @@ -496,13 +534,20 @@ error = FT_THROW( Invalid_Argument ); } + s = source->buffer; + t = target->buffer; + + /* take care of bitmap flow */ + if ( source->pitch < 0 ) + s -= source->pitch * ( source->rows - 1 ); + if ( target->pitch < 0 ) + t -= target->pitch * ( target->rows - 1 ); + switch ( source->pixel_mode ) { case FT_PIXEL_MODE_MONO: { - FT_Byte* s = source->buffer; - FT_Byte* t = target->buffer; - FT_Int i; + FT_UInt i; target->num_grays = 2; @@ -511,7 +556,7 @@ { FT_Byte* ss = s; FT_Byte* tt = t; - FT_Int j; + FT_UInt j; /* get the full bytes */ @@ -559,12 +604,8 @@ case FT_PIXEL_MODE_LCD: case FT_PIXEL_MODE_LCD_V: { - FT_Int width = source->width; - FT_Byte* s = source->buffer; - FT_Byte* t = target->buffer; - FT_Int s_pitch = source->pitch; - FT_Int t_pitch = target->pitch; - FT_Int i; + FT_Int width = source->width; + FT_UInt i; target->num_grays = 256; @@ -573,8 +614,8 @@ { FT_ARRAY_COPY( t, s, width ); - s += s_pitch; - t += t_pitch; + s += source->pitch; + t += target->pitch; } } break; @@ -582,9 +623,7 @@ case FT_PIXEL_MODE_GRAY2: { - FT_Byte* s = source->buffer; - FT_Byte* t = target->buffer; - FT_Int i; + FT_UInt i; target->num_grays = 4; @@ -593,7 +632,7 @@ { FT_Byte* ss = s; FT_Byte* tt = t; - FT_Int j; + FT_UInt j; /* get the full bytes */ @@ -634,9 +673,7 @@ case FT_PIXEL_MODE_GRAY4: { - FT_Byte* s = source->buffer; - FT_Byte* t = target->buffer; - FT_Int i; + FT_UInt i; target->num_grays = 16; @@ -645,7 +682,7 @@ { FT_Byte* ss = s; FT_Byte* tt = t; - FT_Int j; + FT_UInt j; /* get the full bytes */ @@ -670,13 +707,10 @@ } break; + case FT_PIXEL_MODE_BGRA: { - FT_Byte* s = source->buffer; - FT_Byte* t = target->buffer; - FT_Int s_pitch = source->pitch; - FT_Int t_pitch = target->pitch; - FT_Int i; + FT_UInt i; target->num_grays = 256; @@ -685,7 +719,7 @@ { FT_Byte* ss = s; FT_Byte* tt = t; - FT_Int j; + FT_UInt j; for ( j = source->width; j > 0; j-- ) @@ -696,8 +730,8 @@ tt += 1; } - s += s_pitch; - t += t_pitch; + s += source->pitch; + t += target->pitch; } } break; diff --git a/freetype/src/base/ftcalc.c b/freetype/src/base/ftcalc.c index fb0492721..7b6425056 100644 --- a/freetype/src/base/ftcalc.c +++ b/freetype/src/base/ftcalc.c @@ -39,7 +39,8 @@ #include <internal/ftdebug.h> #include <internal/ftobjs.h> -#ifdef FT_MULFIX_INLINED + +#ifdef FT_MULFIX_ASSEMBLER #undef FT_MulFix #endif @@ -67,6 +68,16 @@ #define FT_COMPONENT trace_calc + /* transfer sign leaving a positive number */ +#define FT_MOVE_SIGN( x, s ) \ + FT_BEGIN_STMNT \ + if ( x < 0 ) \ + { \ + x = -x; \ + s = -s; \ + } \ + FT_END_STMNT + /* The following three functions are available regardless of whether */ /* FT_LONG64 is defined. */ @@ -75,8 +86,8 @@ FT_EXPORT_DEF( FT_Fixed ) FT_RoundFix( FT_Fixed a ) { - return ( a >= 0 ) ? ( a + 0x8000L ) & ~0xFFFFL - : -((-a + 0x8000L ) & ~0xFFFFL ); + return a >= 0 ? ( a + 0x8000L ) & ~0xFFFFL + : -((-a + 0x8000L ) & ~0xFFFFL ); } @@ -85,8 +96,8 @@ FT_EXPORT_DEF( FT_Fixed ) FT_CeilFix( FT_Fixed a ) { - return ( a >= 0 ) ? ( a + 0xFFFFL ) & ~0xFFFFL - : -((-a + 0xFFFFL ) & ~0xFFFFL ); + return a >= 0 ? ( a + 0xFFFFL ) & ~0xFFFFL + : -((-a + 0xFFFFL ) & ~0xFFFFL ); } @@ -95,38 +106,40 @@ FT_EXPORT_DEF( FT_Fixed ) FT_FloorFix( FT_Fixed a ) { - return ( a >= 0 ) ? a & ~0xFFFFL - : -((-a) & ~0xFFFFL ); + return a >= 0 ? a & ~0xFFFFL + : -((-a) & ~0xFFFFL ); } +#ifndef FT_MSB FT_BASE_DEF ( FT_Int ) FT_MSB( FT_UInt32 z ) { - FT_Int shift = 0; + FT_Int shift = 0; + /* determine msb bit index in `shift' */ - if ( z >= ( 1L << 16 ) ) + if ( z & 0xFFFF0000UL ) { z >>= 16; shift += 16; } - if ( z >= ( 1L << 8 ) ) + if ( z & 0x0000FF00UL ) { z >>= 8; shift += 8; } - if ( z >= ( 1L << 4 ) ) + if ( z & 0x000000F0UL ) { z >>= 4; shift += 4; } - if ( z >= ( 1L << 2 ) ) + if ( z & 0x0000000CUL ) { z >>= 2; shift += 2; } - if ( z >= ( 1L << 1 ) ) + if ( z & 0x00000002UL ) { /* z >>= 1; */ shift += 1; @@ -135,6 +148,8 @@ return shift; } +#endif /* !FT_MSB */ + /* documentation is in ftcalc.h */ @@ -162,19 +177,18 @@ FT_Long b, FT_Long c ) { - FT_Int s; + FT_Int s = 1; FT_Long d; - s = 1; - if ( a < 0 ) { a = -a; s = -1; } - if ( b < 0 ) { b = -b; s = -s; } - if ( c < 0 ) { c = -c; s = -s; } + FT_MOVE_SIGN( a, s ); + FT_MOVE_SIGN( b, s ); + FT_MOVE_SIGN( c, s ); d = (FT_Long)( c > 0 ? ( (FT_Int64)a * b + ( c >> 1 ) ) / c : 0x7FFFFFFFL ); - return ( s > 0 ) ? d : -d; + return s < 0 ? -d : d; } @@ -185,19 +199,18 @@ FT_Long b, FT_Long c ) { - FT_Int s; + FT_Int s = 1; FT_Long d; - s = 1; - if ( a < 0 ) { a = -a; s = -1; } - if ( b < 0 ) { b = -b; s = -s; } - if ( c < 0 ) { c = -c; s = -s; } + FT_MOVE_SIGN( a, s ); + FT_MOVE_SIGN( b, s ); + FT_MOVE_SIGN( c, s ); d = (FT_Long)( c > 0 ? (FT_Int64)a * b / c : 0x7FFFFFFFL ); - return ( s > 0 ) ? d : -d; + return s < 0 ? -d : d; } @@ -217,21 +230,12 @@ FT_Long c; - if ( a < 0 ) - { - a = -a; - s = -1; - } - - if ( b < 0 ) - { - b = -b; - s = -s; - } + FT_MOVE_SIGN( a, s ); + FT_MOVE_SIGN( b, s ); c = (FT_Long)( ( (FT_Int64)a * b + 0x8000L ) >> 16 ); - return ( s > 0 ) ? c : -c; + return s < 0 ? -c : c; #endif /* FT_MULFIX_ASSEMBLER */ } @@ -243,30 +247,17 @@ FT_DivFix( FT_Long a, FT_Long b ) { - FT_Int32 s; - FT_UInt32 q; + FT_Int s = 1; + FT_Long q; - s = 1; - if ( a < 0 ) - { - a = -a; - s = -1; - } - if ( b < 0 ) - { - b = -b; - s = -s; - } + FT_MOVE_SIGN( a, s ); + FT_MOVE_SIGN( b, s ); - if ( b == 0 ) - /* check for division by 0 */ - q = 0x7FFFFFFFL; - else - /* compute result directly */ - q = (FT_UInt32)( ( ( (FT_UInt64)a << 16 ) + ( b >> 1 ) ) / b ); + q = (FT_Long)( b > 0 ? ( ( (FT_UInt64)a << 16 ) + ( b >> 1 ) ) / b + : 0x7FFFFFFFL ); - return ( s < 0 ? -(FT_Long)q : (FT_Long)q ); + return s < 0 ? -q : q; } @@ -314,25 +305,30 @@ FT_Int i; - q = 0; - r = hi; - - if ( r >= y ) + if ( hi >= y ) return (FT_UInt32)0x7FFFFFFFL; - i = 32; + /* We shift as many bits as we can into the high register, perform */ + /* 32-bit division with modulo there, then work through the remaining */ + /* bits with long division. This optimization is especially noticeable */ + /* for smaller dividends that barely use the high register. */ + + i = 31 - FT_MSB( hi ); + r = ( hi << i ) | ( lo >> ( 32 - i ) ); lo <<= i; /* left 64-bit shift */ + q = r / y; + r -= q * y; /* remainder */ + + i = 32 - i; /* bits remaining in low register */ do { - r <<= 1; q <<= 1; - r |= lo >> 31; + r = ( r << 1 ) | ( lo >> 31 ); lo <<= 1; if ( r >= y ) { r -= y; q |= 1; } - lo <<= 1; } while ( --i ); return q; @@ -344,7 +340,7 @@ FT_Int64* y, FT_Int64 *z ) { - register FT_UInt32 lo, hi; + FT_UInt32 lo, hi; lo = x->lo + y->lo; @@ -355,60 +351,95 @@ } - /* documentation is in freetype.h */ - - /* The FT_MulDiv function has been optimized thanks to ideas from */ - /* Graham Asher. The trick is to optimize computation when everything */ - /* fits within 32-bits (a rather common case). */ + /* The FT_MulDiv function has been optimized thanks to ideas from */ + /* Graham Asher and Alexei Podtelezhnikov. The trick is to optimize */ + /* a rather common case when everything fits within 32-bits. */ + /* */ + /* We compute 'a*b+c/2', then divide it by 'c' (all positive values). */ + /* */ + /* The product of two positive numbers never exceeds the square of */ + /* its mean values. Therefore, we always avoid the overflow by */ + /* imposing */ /* */ - /* we compute 'a*b+c/2', then divide it by 'c'. (positive values) */ + /* (a + b) / 2 <= sqrt(X - c/2) , */ /* */ - /* 46340 is FLOOR(SQRT(2^31-1)). */ + /* where X = 2^32 - 1, the maximum unsigned 32-bit value, and using */ + /* unsigned arithmetic. Now we replace `sqrt' with a linear function */ + /* that is smaller or equal for all values of c in the interval */ + /* [0;X/2]; it should be equal to sqrt(X) and sqrt(3X/4) at the */ + /* endpoints. Substituting the linear solution and explicit numbers */ + /* we get */ /* */ - /* if ( a <= 46340 && b <= 46340 ) then ( a*b <= 0x7FFEA810 ) */ + /* a + b <= 131071.99 - c / 122291.84 . */ /* */ - /* 0x7FFFFFFF - 0x7FFEA810 = 0x157F0 */ + /* In practice, we should use a faster and even stronger inequality */ /* */ - /* if ( c < 0x157F0*2 ) then ( a*b+c/2 <= 0x7FFFFFFF ) */ + /* a + b <= 131071 - (c >> 16) */ /* */ - /* and 2*0x157F0 = 176096 */ + /* or, alternatively, */ /* */ + /* a + b <= 129894 - (c >> 17) . */ + /* */ + /* FT_MulFix, on the other hand, is optimized for a small value of */ + /* the first argument, when the second argument can be much larger. */ + /* This can be achieved by scaling the second argument and the limit */ + /* in the above inequalities. For example, */ + /* */ + /* a + (b >> 8) <= (131071 >> 4) */ + /* */ + /* covers the practical range of use. The actual test below is a bit */ + /* tighter to avoid the border case overflows. */ + /* */ + /* In the case of FT_DivFix, the exact overflow check */ + /* */ + /* a << 16 <= X - c/2 */ + /* */ + /* is scaled down by 2^16 and we use */ + /* */ + /* a <= 65535 - (c >> 17) . */ + + /* documentation is in freetype.h */ FT_EXPORT_DEF( FT_Long ) FT_MulDiv( FT_Long a, FT_Long b, FT_Long c ) { - long s; + FT_Int s = 1; /* XXX: this function does not allow 64-bit arguments */ if ( a == 0 || b == c ) return a; - s = a; a = FT_ABS( a ); - s ^= b; b = FT_ABS( b ); - s ^= c; c = FT_ABS( c ); + FT_MOVE_SIGN( a, s ); + FT_MOVE_SIGN( b, s ); + FT_MOVE_SIGN( c, s ); + + if ( c == 0 ) + a = 0x7FFFFFFFL; - if ( a <= 46340L && b <= 46340L && c <= 176095L && c > 0 ) - a = ( a * b + ( c >> 1 ) ) / c; + else if ( (FT_ULong)a + b <= 129894UL - ( c >> 17 ) ) + a = ( (FT_ULong)a * b + ( c >> 1 ) ) / c; - else if ( (FT_Int32)c > 0 ) + else { FT_Int64 temp, temp2; - ft_multo64( (FT_Int32)a, (FT_Int32)b, &temp ); + ft_multo64( a, b, &temp ); temp2.hi = 0; - temp2.lo = (FT_UInt32)(c >> 1); + temp2.lo = c >> 1; + FT_Add64( &temp, &temp2, &temp ); - a = ft_div64by32( temp.hi, temp.lo, (FT_Int32)c ); + + /* last attempt to ditch long division */ + a = temp.hi == 0 ? temp.lo / c + : ft_div64by32( temp.hi, temp.lo, c ); } - else - a = 0x7FFFFFFFL; - return ( s < 0 ? -a : a ); + return s < 0 ? -a : a; } @@ -417,31 +448,35 @@ FT_Long b, FT_Long c ) { - long s; + FT_Int s = 1; if ( a == 0 || b == c ) return a; - s = a; a = FT_ABS( a ); - s ^= b; b = FT_ABS( b ); - s ^= c; c = FT_ABS( c ); + FT_MOVE_SIGN( a, s ); + FT_MOVE_SIGN( b, s ); + FT_MOVE_SIGN( c, s ); + + if ( c == 0 ) + a = 0x7FFFFFFFL; - if ( a <= 46340L && b <= 46340L && c > 0 ) - a = a * b / c; + else if ( (FT_ULong)a + b <= 131071UL ) + a = (FT_ULong)a * b / c; - else if ( (FT_Int32)c > 0 ) + else { FT_Int64 temp; - ft_multo64( (FT_Int32)a, (FT_Int32)b, &temp ); - a = ft_div64by32( temp.hi, temp.lo, (FT_Int32)c ); + ft_multo64( a, b, &temp ); + + /* last attempt to ditch long division */ + a = temp.hi == 0 ? temp.lo / c + : ft_div64by32( temp.hi, temp.lo, c ); } - else - a = 0x7FFFFFFFL; - return ( s < 0 ? -a : a ); + return s < 0 ? -a : a; } @@ -497,7 +532,7 @@ ua = (FT_ULong)a; ub = (FT_ULong)b; - if ( ua <= 2048 && ub <= 1048576L ) + if ( ua + ( ub >> 8 ) <= 8190UL ) ua = ( ua * ub + 0x8000U ) >> 16; else { @@ -515,20 +550,20 @@ #else /* 0 */ - FT_Long s; + FT_Int s = 1; FT_ULong ua, ub; if ( a == 0 || b == 0x10000L ) return a; - s = a; a = FT_ABS( a ); - s ^= b; b = FT_ABS( b ); + FT_MOVE_SIGN( a, s ); + FT_MOVE_SIGN( b, s ); ua = (FT_ULong)a; ub = (FT_ULong)b; - if ( ua <= 2048 && ub <= 1048576L ) + if ( ua + ( ub >> 8 ) <= 8190UL ) ua = ( ua * ub + 0x8000UL ) >> 16; else { @@ -539,7 +574,7 @@ ( ( al * ( ub & 0xFFFFUL ) + 0x8000UL ) >> 16 ); } - return ( s < 0 ? -(FT_Long)ua : (FT_Long)ua ); + return s < 0 ? -(FT_Long)ua : (FT_Long)ua; #endif /* 0 */ @@ -552,23 +587,24 @@ FT_DivFix( FT_Long a, FT_Long b ) { - FT_Int32 s; - FT_UInt32 q; + FT_Int s = 1; + FT_Long q; /* XXX: this function does not allow 64-bit arguments */ - s = (FT_Int32)a; a = FT_ABS( a ); - s ^= (FT_Int32)b; b = FT_ABS( b ); - if ( (FT_UInt32)b == 0 ) + FT_MOVE_SIGN( a, s ); + FT_MOVE_SIGN( b, s ); + + if ( b == 0 ) { /* check for division by 0 */ - q = (FT_UInt32)0x7FFFFFFFL; + q = 0x7FFFFFFFL; } - else if ( ( a >> 16 ) == 0 ) + else if ( a <= 65535L - ( b >> 17 ) ) { /* compute result directly */ - q = (FT_UInt32)( ( (FT_ULong)a << 16 ) + ( b >> 1 ) ) / (FT_UInt32)b; + q = (FT_Long)( ( ( (FT_ULong)a << 16 ) + ( b >> 1 ) ) / b ); } else { @@ -576,138 +612,18 @@ FT_Int64 temp, temp2; - temp.hi = (FT_Int32)( a >> 16 ); - temp.lo = (FT_UInt32)a << 16; + temp.hi = a >> 16; + temp.lo = a << 16; temp2.hi = 0; - temp2.lo = (FT_UInt32)( b >> 1 ); - FT_Add64( &temp, &temp2, &temp ); - q = ft_div64by32( temp.hi, temp.lo, (FT_Int32)b ); - } - - return ( s < 0 ? -(FT_Int32)q : (FT_Int32)q ); - } + temp2.lo = b >> 1; - -#if 0 - - /* documentation is in ftcalc.h */ - - FT_EXPORT_DEF( void ) - FT_MulTo64( FT_Int32 x, - FT_Int32 y, - FT_Int64 *z ) - { - FT_Int32 s; - - - s = x; x = FT_ABS( x ); - s ^= y; y = FT_ABS( y ); - - ft_multo64( x, y, z ); - - if ( s < 0 ) - { - z->lo = (FT_UInt32)-(FT_Int32)z->lo; - z->hi = ~z->hi + !( z->lo ); - } - } - - - /* apparently, the second version of this code is not compiled correctly */ - /* on Mac machines with the MPW C compiler.. tsk, tsk, tsk... */ - -#if 1 - - FT_EXPORT_DEF( FT_Int32 ) - FT_Div64by32( FT_Int64* x, - FT_Int32 y ) - { - FT_Int32 s; - FT_UInt32 q, r, i, lo; - - - s = x->hi; - if ( s < 0 ) - { - x->lo = (FT_UInt32)-(FT_Int32)x->lo; - x->hi = ~x->hi + !x->lo; - } - s ^= y; y = FT_ABS( y ); - - /* Shortcut */ - if ( x->hi == 0 ) - { - if ( y > 0 ) - q = x->lo / y; - else - q = 0x7FFFFFFFL; - - return ( s < 0 ? -(FT_Int32)q : (FT_Int32)q ); - } - - r = x->hi; - lo = x->lo; - - if ( r >= (FT_UInt32)y ) /* we know y is to be treated as unsigned here */ - return ( s < 0 ? 0x80000001UL : 0x7FFFFFFFUL ); - /* Return Max/Min Int32 if division overflow. */ - /* This includes division by zero! */ - q = 0; - for ( i = 0; i < 32; i++ ) - { - r <<= 1; - q <<= 1; - r |= lo >> 31; - - if ( r >= (FT_UInt32)y ) - { - r -= y; - q |= 1; - } - lo <<= 1; - } - - return ( s < 0 ? -(FT_Int32)q : (FT_Int32)q ); - } - -#else /* 0 */ - - FT_EXPORT_DEF( FT_Int32 ) - FT_Div64by32( FT_Int64* x, - FT_Int32 y ) - { - FT_Int32 s; - FT_UInt32 q; - - - s = x->hi; - if ( s < 0 ) - { - x->lo = (FT_UInt32)-(FT_Int32)x->lo; - x->hi = ~x->hi + !x->lo; - } - s ^= y; y = FT_ABS( y ); - - /* Shortcut */ - if ( x->hi == 0 ) - { - if ( y > 0 ) - q = ( x->lo + ( y >> 1 ) ) / y; - else - q = 0x7FFFFFFFL; - - return ( s < 0 ? -(FT_Int32)q : (FT_Int32)q ); + FT_Add64( &temp, &temp2, &temp ); + q = (FT_Long)ft_div64by32( temp.hi, temp.lo, b ); } - q = ft_div64by32( x->hi, x->lo, y ); - - return ( s < 0 ? -(FT_Int32)q : (FT_Int32)q ); + return s < 0 ? -q : q; } -#endif /* 0 */ - -#endif /* 0 */ - #endif /* FT_LONG64 */ @@ -943,55 +859,40 @@ FT_Pos out_x, FT_Pos out_y ) { - FT_Pos ax = in_x; - FT_Pos ay = in_y; - - FT_Pos d_in, d_out, d_corner; - - - /* We approximate the Euclidean metric (sqrt(x^2 + y^2)) with */ - /* the Taxicab metric (|x| + |y|), which can be computed much */ - /* faster. If one of the two vectors is much longer than the */ - /* other one, the direction of the shorter vector doesn't */ - /* influence the result any more. */ - /* */ - /* corner */ - /* x---------------------------x */ - /* \ / */ - /* \ / */ - /* in \ / out */ - /* \ / */ - /* o */ - /* Point */ - /* */ - - if ( ax < 0 ) - ax = -ax; - if ( ay < 0 ) - ay = -ay; - d_in = ax + ay; /* d_in = || in || */ - - ax = out_x; - if ( ax < 0 ) - ax = -ax; - ay = out_y; - if ( ay < 0 ) - ay = -ay; - d_out = ax + ay; /* d_out = || out || */ - - ax = out_x + in_x; - if ( ax < 0 ) - ax = -ax; - ay = out_y + in_y; - if ( ay < 0 ) - ay = -ay; - d_corner = ax + ay; /* d_corner = || in + out || */ + FT_Pos ax = in_x + out_x; + FT_Pos ay = in_y + out_y; + + FT_Pos d_in, d_out, d_hypot; + + + /* The idea of this function is to compare the length of the */ + /* hypotenuse with the `in' and `out' length. The `corner' */ + /* represented by `in' and `out' is flat if the hypotenuse's */ + /* length isn't too large. */ + /* */ + /* This approach has the advantage that the angle between */ + /* `in' and `out' is not checked. In case one of the two */ + /* vectors is `dominant', this is, much larger than the */ + /* other vector, we thus always have a flat corner. */ + /* */ + /* hypotenuse */ + /* x---------------------------x */ + /* \ / */ + /* \ / */ + /* in \ / out */ + /* \ / */ + /* o */ + /* Point */ + + d_in = FT_HYPOT( in_x, in_y ); + d_out = FT_HYPOT( out_x, out_y ); + d_hypot = FT_HYPOT( ax, ay ); /* now do a simple length comparison: */ /* */ - /* d_in + d_out < 17/16 d_corner */ + /* d_in + d_out < 17/16 d_hypot */ - return ( d_in + d_out - d_corner ) < ( d_corner >> 4 ); + return ( d_in + d_out - d_hypot ) < ( d_hypot >> 4 ); } diff --git a/freetype/src/base/ftfstype.c b/freetype/src/base/ftfstype.c index d0ef7b7c1..6b49ef837 100644 --- a/freetype/src/base/ftfstype.c +++ b/freetype/src/base/ftfstype.c @@ -4,7 +4,7 @@ /* */ /* FreeType utility file to access FSType data (body). */ /* */ -/* Copyright 2008, 2009 by */ +/* Copyright 2008, 2009, 2014 by */ /* David Turner, Robert Wilhelm, and Werner Lemberg. */ /* */ /* This file is part of the FreeType project, and may only be used, */ @@ -51,7 +51,7 @@ /* look at FSType before fsType for Type42 */ - if ( ( os2 = (TT_OS2*)FT_Get_Sfnt_Table( face, ft_sfnt_os2 ) ) != NULL && + if ( ( os2 = (TT_OS2*)FT_Get_Sfnt_Table( face, FT_SFNT_OS2 ) ) != NULL && os2->version != 0xFFFFU ) return os2->fsType; diff --git a/freetype/src/base/ftglyph.c b/freetype/src/base/ftglyph.c index 76d8d6156..194857ad9 100644 --- a/freetype/src/base/ftglyph.c +++ b/freetype/src/base/ftglyph.c @@ -4,7 +4,7 @@ /* */ /* FreeType convenience functions to handle glyphs (body). */ /* */ -/* Copyright 1996-2005, 2007, 2008, 2010, 2012, 2013 by */ +/* Copyright 1996-2005, 2007, 2008, 2010, 2012-2014 by */ /* David Turner, Robert Wilhelm, and Werner Lemberg. */ /* */ /* This file is part of the FreeType project, and may only be used, */ @@ -314,13 +314,13 @@ /* check arguments */ - if ( !target ) + if ( !target || !source || !source->clazz ) { error = FT_THROW( Invalid_Argument ); goto Exit; } - *target = 0; + *target = NULL; if ( !source || !source->clazz ) { @@ -359,7 +359,7 @@ FT_Error error; FT_Glyph glyph; - const FT_Glyph_Class* clazz = 0; + const FT_Glyph_Class* clazz = NULL; if ( !slot ) @@ -512,7 +512,7 @@ FT_BitmapGlyph bitmap = NULL; const FT_Glyph_Class* clazz; - /* FT_BITMAP_GLYPH_CLASS_GET derefers `library' in PIC mode */ + /* FT_BITMAP_GLYPH_CLASS_GET dereferences `library' in PIC mode */ FT_Library library; diff --git a/freetype/src/base/ftgxval.c b/freetype/src/base/ftgxval.c index e301917d0..d3b44029e 100644 --- a/freetype/src/base/ftgxval.c +++ b/freetype/src/base/ftgxval.c @@ -4,7 +4,7 @@ /* */ /* FreeType API for validating TrueTyepGX/AAT tables (body). */ /* */ -/* Copyright 2004-2006, 2010, 2013 by */ +/* Copyright 2004-2006, 2010, 2013, 2014 by */ /* Masatake YAMATO, Redhat K.K, */ /* David Turner, Robert Wilhelm, and Werner Lemberg. */ /* */ @@ -49,7 +49,7 @@ goto Exit; } - if ( tables == NULL ) + if ( !tables ) { error = FT_THROW( Invalid_Argument ); goto Exit; @@ -101,7 +101,7 @@ goto Exit; } - if ( ckern_table == NULL ) + if ( !ckern_table ) { error = FT_THROW( Invalid_Argument ); goto Exit; diff --git a/freetype/src/base/ftinit.c b/freetype/src/base/ftinit.c index 224b7ce37..b23f2394d 100644 --- a/freetype/src/base/ftinit.c +++ b/freetype/src/base/ftinit.c @@ -4,7 +4,7 @@ /* */ /* FreeType initialization layer (body). */ /* */ -/* Copyright 1996-2002, 2005, 2007, 2009, 2012, 2013 by */ +/* Copyright 1996-2002, 2005, 2007, 2009, 2012-2014 by */ /* David Turner, Robert Wilhelm, and Werner Lemberg. */ /* */ /* This file is part of the FreeType project, and may only be used, */ @@ -235,6 +235,8 @@ FT_Memory memory; + /* check of `alibrary' delayed to `FT_New_Library' */ + /* First of all, allocate a new system object -- this function is part */ /* of the system-specific component, i.e. `ftsystem.c'. */ @@ -263,17 +265,19 @@ FT_EXPORT_DEF( FT_Error ) FT_Done_FreeType( FT_Library library ) { - if ( library ) - { - FT_Memory memory = library->memory; + FT_Memory memory; - /* Discard the library object */ - FT_Done_Library( library ); + if ( !library ) + return FT_THROW( Invalid_Library_Handle ); - /* discard memory manager */ - FT_Done_Memory( memory ); - } + memory = library->memory; + + /* Discard the library object */ + FT_Done_Library( library ); + + /* discard memory manager */ + FT_Done_Memory( memory ); return FT_Err_Ok; } diff --git a/freetype/src/base/ftlcdfil.c b/freetype/src/base/ftlcdfil.c index e6d7fca3b..c1ec75239 100644 --- a/freetype/src/base/ftlcdfil.c +++ b/freetype/src/base/ftlcdfil.c @@ -4,7 +4,7 @@ /* */ /* FreeType API for color filtering of subpixel bitmap glyphs (body). */ /* */ -/* Copyright 2006, 2008-2010, 2013 by */ +/* Copyright 2006, 2008-2010, 2013, 2014 by */ /* David Turner, Robert Wilhelm, and Werner Lemberg. */ /* */ /* This file is part of the FreeType project, and may only be used, */ @@ -46,9 +46,16 @@ FT_Byte* line = bitmap->buffer; + /* take care of bitmap flow */ + if ( bitmap->pitch < 0 ) + line -= bitmap->pitch * ( bitmap->rows - 1 ); + + /* `fir' and `pix' must be at least 32 bit wide, since the sum of */ + /* the values in `weights' can exceed 0xFF */ + for ( ; height > 0; height--, line += bitmap->pitch ) { - FT_UInt fir[5]; + FT_UInt fir[4]; /* below, `pix' is used as the 5th element */ FT_UInt val1, xx; @@ -57,7 +64,6 @@ fir[1] = weights[3] * val1; fir[2] = weights[4] * val1; fir[3] = 0; - fir[4] = 0; val1 = line[1]; fir[0] += weights[1] * val1; @@ -78,7 +84,7 @@ fir[3] = weights[4] * val; pix >>= 8; - pix |= -( pix >> 8 ); + pix |= (FT_UInt)-(FT_Int)( pix >> 8 ); line[xx - 2] = (FT_Byte)pix; } @@ -87,11 +93,11 @@ pix = fir[0] >> 8; - pix |= -( pix >> 8 ); + pix |= (FT_UInt)-(FT_Int)( pix >> 8 ); line[xx - 2] = (FT_Byte)pix; pix = fir[1] >> 8; - pix |= -( pix >> 8 ); + pix |= (FT_UInt)-(FT_Int)( pix >> 8 ); line[xx - 1] = (FT_Byte)pix; } } @@ -104,10 +110,14 @@ FT_Int pitch = bitmap->pitch; + /* take care of bitmap flow */ + if ( bitmap->pitch < 0 ) + column -= bitmap->pitch * ( bitmap->rows - 1 ); + for ( ; width > 0; width--, column++ ) { FT_Byte* col = column; - FT_UInt fir[5]; + FT_UInt fir[4]; /* below, `pix' is used as the 5th element */ FT_UInt val1, yy; @@ -116,7 +126,6 @@ fir[1] = weights[3] * val1; fir[2] = weights[4] * val1; fir[3] = 0; - fir[4] = 0; col += pitch; val1 = col[0]; @@ -139,7 +148,7 @@ fir[3] = weights[4] * val; pix >>= 8; - pix |= -( pix >> 8 ); + pix |= (FT_UInt)-(FT_Int)( pix >> 8 ); col[-2 * pitch] = (FT_Byte)pix; col += pitch; } @@ -149,11 +158,11 @@ pix = fir[0] >> 8; - pix |= -( pix >> 8 ); + pix |= (FT_UInt)-(FT_Int)( pix >> 8 ); col[-2 * pitch] = (FT_Byte)pix; pix = fir[1] >> 8; - pix |= -( pix >> 8 ); + pix |= (FT_UInt)-(FT_Int)( pix >> 8 ); col[-pitch] = (FT_Byte)pix; } } @@ -189,6 +198,10 @@ FT_Byte* line = bitmap->buffer; + /* take care of bitmap flow */ + if ( bitmap->pitch < 0 ) + line -= bitmap->pitch * ( bitmap->rows - 1 ); + for ( ; height > 0; height--, line += pitch ) { FT_UInt xx; @@ -228,6 +241,10 @@ FT_Byte* column = bitmap->buffer; + /* take care of bitmap flow */ + if ( bitmap->pitch < 0 ) + column -= bitmap->pitch * ( bitmap->rows - 1 ); + for ( ; width > 0; width--, column++ ) { FT_Byte* col = column; @@ -272,7 +289,10 @@ FT_Library_SetLcdFilterWeights( FT_Library library, unsigned char *weights ) { - if ( !library || !weights ) + if ( !library ) + return FT_THROW( Invalid_Library_Handle ); + + if ( !weights ) return FT_THROW( Invalid_Argument ); ft_memcpy( library->lcd_weights, weights, 5 ); @@ -294,7 +314,7 @@ if ( !library ) - return FT_THROW( Invalid_Argument ); + return FT_THROW( Invalid_Library_Handle ); switch ( filter ) { diff --git a/freetype/src/base/ftmac.c b/freetype/src/base/ftmac.c index 6607b3d29..459f004b5 100644 --- a/freetype/src/base/ftmac.c +++ b/freetype/src/base/ftmac.c @@ -8,7 +8,7 @@ /* This file is for Mac OS X only; see builds/mac/ftoldmac.c for */ /* classic platforms built by MPW. */ /* */ -/* Copyright 1996-2009, 2013 by */ +/* Copyright 1996-2009, 2013, 2014 by */ /* Just van Rossum, David Turner, Robert Wilhelm, and Werner Lemberg. */ /* */ /* This file is part of the FreeType project, and may only be used, */ @@ -227,6 +227,9 @@ FT_Error err; + if ( !fontName || !face_index ) + return FT_THROW( Invalid_Argument) ; + err = FT_GetFileRef_From_Mac_ATS_Name( fontName, &ref, face_index ); if ( err ) return err; @@ -256,6 +259,9 @@ FT_Error err; + if ( !fontName || !face_index ) + return FT_THROW( Invalid_Argument ); + err = FT_GetFileRef_From_Mac_ATS_Name( fontName, &ref, face_index ); if ( err ) return err; @@ -440,9 +446,10 @@ style = (StyleTable*)p; p += sizeof ( StyleTable ); string_count = EndianS16_BtoN( *(short*)(p) ); + string_count = FT_MIN( 64, string_count ); p += sizeof ( short ); - for ( i = 0; i < string_count && i < 64; i++ ) + for ( i = 0; i < string_count; i++ ) { names[i] = p; p += names[i][0]; @@ -459,7 +466,7 @@ ps_name[ps_name_len] = 0; } if ( style->indexes[face_index] > 1 && - style->indexes[face_index] <= FT_MIN( string_count, 64 ) ) + style->indexes[face_index] <= string_count ) { unsigned char* suffixes = names[style->indexes[face_index] - 1]; @@ -852,6 +859,8 @@ FT_Error error = FT_Err_Ok; + /* check of `library' and `aface' delayed to `FT_New_Face_From_XXX' */ + GetResInfo( fond, &fond_id, &fond_type, fond_name ); if ( ResError() != noErr || fond_type != TTAG_FOND ) return FT_THROW( Invalid_File_Format ); @@ -997,10 +1006,14 @@ { FT_Error error; FT_Open_Args args; - OSErr err; - UInt8 pathname[PATH_MAX]; + + OSErr err; + UInt8 pathname[PATH_MAX]; + /* check of `library' and `aface' delayed to */ + /* `FT_New_Face_From_Resource' */ + if ( !ref ) return FT_THROW( Invalid_Argument ); @@ -1047,6 +1060,8 @@ FSRef ref; + /* check of `library' and `aface' delayed to `FT_New_Face_From_FSRef' */ + if ( !spec || FSpMakeFSRef( spec, &ref ) != noErr ) return FT_THROW( Invalid_Argument ); else diff --git a/freetype/src/base/ftmm.c b/freetype/src/base/ftmm.c index 178f97abf..af7bd691d 100644 --- a/freetype/src/base/ftmm.c +++ b/freetype/src/base/ftmm.c @@ -4,7 +4,7 @@ /* */ /* Multiple Master font support (body). */ /* */ -/* Copyright 1996-2001, 2003, 2004, 2009, 2013 by */ +/* Copyright 1996-2001, 2003, 2004, 2009, 2013, 2014 by */ /* David Turner, Robert Wilhelm, and Werner Lemberg. */ /* */ /* This file is part of the FreeType project, and may only be used, */ @@ -72,6 +72,11 @@ FT_Service_MultiMasters service; + /* check of `face' delayed to `ft_face_get_mm_service' */ + + if ( !amaster ) + return FT_THROW( Invalid_Argument ); + error = ft_face_get_mm_service( face, &service ); if ( !error ) { @@ -94,6 +99,11 @@ FT_Service_MultiMasters service; + /* check of `face' delayed to `ft_face_get_mm_service' */ + + if ( !amaster ) + return FT_THROW( Invalid_Argument ); + error = ft_face_get_mm_service( face, &service ); if ( !error ) { @@ -117,6 +127,11 @@ FT_Service_MultiMasters service; + /* check of `face' delayed to `ft_face_get_mm_service' */ + + if ( !coords ) + return FT_THROW( Invalid_Argument ); + error = ft_face_get_mm_service( face, &service ); if ( !error ) { @@ -140,6 +155,11 @@ FT_Service_MultiMasters service; + /* check of `face' delayed to `ft_face_get_mm_service' */ + + if ( !coords ) + return FT_THROW( Invalid_Argument ); + error = ft_face_get_mm_service( face, &service ); if ( !error ) { @@ -163,6 +183,11 @@ FT_Service_MultiMasters service; + /* check of `face' delayed to `ft_face_get_mm_service' */ + + if ( !coords ) + return FT_THROW( Invalid_Argument ); + error = ft_face_get_mm_service( face, &service ); if ( !error ) { @@ -189,6 +214,11 @@ FT_Service_MultiMasters service; + /* check of `face' delayed to `ft_face_get_mm_service' */ + + if ( !coords ) + return FT_THROW( Invalid_Argument ); + error = ft_face_get_mm_service( face, &service ); if ( !error ) { diff --git a/freetype/src/base/ftobjs.c b/freetype/src/base/ftobjs.c index 4cbadfee6..7ffb0c9e5 100644 --- a/freetype/src/base/ftobjs.c +++ b/freetype/src/base/ftobjs.c @@ -408,7 +408,10 @@ FT_GlyphSlot slot = NULL; - if ( !face || !face->driver ) + if ( !face ) + return FT_THROW( Invalid_Face_Handle ); + + if ( !face->driver ) return FT_THROW( Invalid_Argument ); driver = face->driver; @@ -508,6 +511,7 @@ internal->transform_matrix.xy = 0; internal->transform_matrix.yx = 0; internal->transform_matrix.yy = 0x10000L; + matrix = &internal->transform_matrix; } else @@ -523,6 +527,7 @@ { internal->transform_delta.x = 0; internal->transform_delta.y = 0; + delta = &internal->transform_delta; } else @@ -1040,14 +1045,6 @@ ( cur[0]->platform_id == TT_PLATFORM_APPLE_UNICODE && cur[0]->encoding_id == TT_APPLE_ID_UNICODE_32 ) ) { -#ifdef FT_MAX_CHARMAP_CACHEABLE - if ( cur - first > FT_MAX_CHARMAP_CACHEABLE ) - { - FT_ERROR(( "find_unicode_charmap: UCS-4 cmap is found " - "at too late position (%d)\n", cur - first )); - continue; - } -#endif face->charmap = cur[0]; return FT_Err_Ok; } @@ -1062,14 +1059,6 @@ { if ( cur[0]->encoding == FT_ENCODING_UNICODE ) { -#ifdef FT_MAX_CHARMAP_CACHEABLE - if ( cur - first > FT_MAX_CHARMAP_CACHEABLE ) - { - FT_ERROR(( "find_unicode_charmap: UCS-2 cmap is found " - "at too late position (%d)\n", cur - first )); - continue; - } -#endif face->charmap = cur[0]; return FT_Err_Ok; } @@ -1111,17 +1100,7 @@ if ( cur[0]->platform_id == TT_PLATFORM_APPLE_UNICODE && cur[0]->encoding_id == TT_APPLE_ID_VARIANT_SELECTOR && FT_Get_CMap_Format( cur[0] ) == 14 ) - { -#ifdef FT_MAX_CHARMAP_CACHEABLE - if ( cur - first > FT_MAX_CHARMAP_CACHEABLE ) - { - FT_ERROR(( "find_unicode_charmap: UVS cmap is found " - "at too late position (%d)\n", cur - first )); - continue; - } -#endif return cur[0]; - } } return NULL; @@ -1243,7 +1222,7 @@ FT_Open_Args args; - /* test for valid `library' and `aface' delayed to FT_Open_Face() */ + /* test for valid `library' and `aface' delayed to `FT_Open_Face' */ if ( !pathname ) return FT_THROW( Invalid_Argument ); @@ -1269,7 +1248,7 @@ FT_Open_Args args; - /* test for valid `library' and `face' delayed to FT_Open_Face() */ + /* test for valid `library' and `face' delayed to `FT_Open_Face' */ if ( !file_base ) return FT_THROW( Invalid_Argument ); @@ -1583,9 +1562,9 @@ FT_Memory memory = library->memory; FT_Byte* pfb_data = NULL; int i, type, flags; - FT_Long len; - FT_Long pfb_len, pfb_pos, pfb_lenpos; - FT_Long rlen, temp; + FT_ULong len; + FT_ULong pfb_len, pfb_pos, pfb_lenpos; + FT_ULong rlen, temp; if ( face_index == -1 ) @@ -1601,11 +1580,34 @@ error = FT_Stream_Seek( stream, offsets[i] ); if ( error ) goto Exit; - if ( FT_READ_LONG( temp ) ) + if ( FT_READ_ULONG( temp ) ) + goto Exit; + + /* FT2 allocator takes signed long buffer length, + * too large value causing overflow should be checked + */ + FT_TRACE4(( " POST fragment #%d: length=0x%08x\n", + i, temp)); + if ( 0x7FFFFFFFUL < temp || pfb_len + temp + 6 < pfb_len ) + { + FT_TRACE2(( " too long fragment length makes" + " pfb_len confused: temp=0x%08x\n", temp )); + error = FT_THROW( Invalid_Offset ); goto Exit; + } + pfb_len += temp + 6; } + FT_TRACE2(( " total buffer size to concatenate %d" + " POST fragments: 0x%08x\n", + resource_cnt, pfb_len + 2)); + if ( pfb_len + 2 < 6 ) { + FT_TRACE2(( " too long fragment length makes" + " pfb_len confused: pfb_len=0x%08x\n", pfb_len )); + error = FT_THROW( Array_Too_Large ); + goto Exit; + } if ( FT_ALLOC( pfb_data, (FT_Long)pfb_len + 2 ) ) goto Exit; @@ -1625,16 +1627,30 @@ error = FT_Stream_Seek( stream, offsets[i] ); if ( error ) goto Exit2; - if ( FT_READ_LONG( rlen ) ) - goto Exit; + if ( FT_READ_ULONG( rlen ) ) + goto Exit2; + + /* FT2 allocator takes signed long buffer length, + * too large fragment length causing overflow should be checked + */ + if ( 0x7FFFFFFFUL < rlen ) + { + error = FT_THROW( Invalid_Offset ); + goto Exit2; + } + if ( FT_READ_USHORT( flags ) ) - goto Exit; + goto Exit2; FT_TRACE3(( "POST fragment[%d]: offsets=0x%08x, rlen=0x%08x, flags=0x%04x\n", i, offsets[i], rlen, flags )); + error = FT_ERR( Array_Too_Large ); /* postpone the check of rlen longer than buffer until FT_Stream_Read() */ if ( ( flags >> 8 ) == 0 ) /* Comment, should not be loaded */ + { + FT_TRACE3(( " Skip POST fragment #%d because it is a comment\n", i )); continue; + } /* the flags are part of the resource, so rlen >= 2. */ /* but some fonts declare rlen = 0 for empty fragment */ @@ -1647,6 +1663,8 @@ len += rlen; else { + FT_TRACE3(( " Write POST fragment #%d header (4-byte) to buffer" + " 0x%p + 0x%08x\n", i, pfb_data, pfb_lenpos )); if ( pfb_lenpos + 3 > pfb_len + 2 ) goto Exit2; pfb_data[pfb_lenpos ] = (FT_Byte)( len ); @@ -1657,6 +1675,8 @@ if ( ( flags >> 8 ) == 5 ) /* End of font mark */ break; + FT_TRACE3(( " Write POST fragment #%d header (6-byte) to buffer" + " 0x%p + 0x%08x\n", i, pfb_data, pfb_pos )); if ( pfb_pos + 6 > pfb_len + 2 ) goto Exit2; pfb_data[pfb_pos++] = 0x80; @@ -1672,16 +1692,18 @@ pfb_data[pfb_pos++] = 0; } - error = FT_ERR( Cannot_Open_Resource ); if ( pfb_pos > pfb_len || pfb_pos + rlen > pfb_len ) goto Exit2; + FT_TRACE3(( " Load POST fragment #%d (%d byte) to buffer" + " 0x%p + 0x%08x\n", i, rlen, pfb_data, pfb_pos )); error = FT_Stream_Read( stream, (FT_Byte *)pfb_data + pfb_pos, rlen ); if ( error ) goto Exit2; pfb_pos += rlen; } + error = FT_ERR( Array_Too_Large ); if ( pfb_pos + 2 > pfb_len + 2 ) goto Exit2; pfb_data[pfb_pos++] = 0x80; @@ -1702,6 +1724,13 @@ aface ); Exit2: + if ( error == FT_ERR( Array_Too_Large ) ) + FT_TRACE2(( " Abort due to too-short buffer to store" + " all POST fragments\n" )); + else if ( error == FT_ERR( Invalid_Offset ) ) + FT_TRACE2(( " Abort due to invalid offset in a POST fragment\n" )); + if ( error ) + error = FT_ERR( Cannot_Open_Resource ); FT_FREE( pfb_data ); Exit: @@ -1881,7 +1910,7 @@ rlen = ( header[0x57] << 24 ) | ( header[0x58] << 16 ) | ( header[0x59] << 8 ) | - header[0x5a]; + header[0x5A]; #endif /* 0 */ offset = 128 + ( ( dlen + 127 ) & ~127 ); @@ -2049,8 +2078,7 @@ FT_Module* limit; - /* test for valid `library' delayed to */ - /* FT_Stream_New() */ + /* test for valid `library' delayed to `FT_Stream_New' */ if ( ( !aface && face_index >= 0 ) || !args ) return FT_THROW( Invalid_Argument ); @@ -2297,7 +2325,7 @@ FT_Open_Args open; - /* test for valid `face' delayed to FT_Attach_Stream() */ + /* test for valid `face' delayed to `FT_Attach_Stream' */ if ( !filepathname ) return FT_THROW( Invalid_Argument ); @@ -2323,7 +2351,7 @@ FT_Driver_Class clazz; - /* test for valid `parameters' delayed to FT_Stream_New() */ + /* test for valid `parameters' delayed to `FT_Stream_New' */ if ( !face ) return FT_THROW( Invalid_Face_Handle ); @@ -2359,6 +2387,9 @@ FT_EXPORT_DEF( FT_Error ) FT_Reference_Face( FT_Face face ) { + if ( !face ) + return FT_THROW( Invalid_Face_Handle ); + face->internal->refcount++; return FT_Err_Ok; @@ -2425,7 +2456,7 @@ return FT_THROW( Invalid_Face_Handle ); if ( !asize ) - return FT_THROW( Invalid_Size_Handle ); + return FT_THROW( Invalid_Argument ); if ( !face->driver ) return FT_THROW( Invalid_Driver_Handle ); @@ -2934,6 +2965,8 @@ FT_Size_RequestRec req; + /* check of `face' delayed to `FT_Request_Size' */ + if ( !char_width ) char_width = char_height; else if ( !char_height ) @@ -2972,6 +3005,8 @@ FT_Size_RequestRec req; + /* check of `face' delayed to `FT_Request_Size' */ + if ( pixel_width == 0 ) pixel_width = pixel_height; else if ( pixel_height == 0 ) @@ -3122,15 +3157,6 @@ { if ( cur[0]->encoding == encoding ) { -#ifdef FT_MAX_CHARMAP_CACHEABLE - if ( cur - face->charmaps > FT_MAX_CHARMAP_CACHEABLE ) - { - FT_ERROR(( "FT_Select_Charmap: requested charmap is found (%d), " - "but in too late position to cache\n", - cur - face->charmaps )); - continue; - } -#endif face->charmap = cur[0]; return 0; } @@ -3154,8 +3180,9 @@ return FT_THROW( Invalid_Face_Handle ); cur = face->charmaps; - if ( !cur ) + if ( !cur || !charmap ) return FT_THROW( Invalid_CharMap_Handle ); + if ( FT_Get_CMap_Format( charmap ) == 14 ) return FT_THROW( Invalid_Argument ); @@ -3165,19 +3192,11 @@ { if ( cur[0] == charmap ) { -#ifdef FT_MAX_CHARMAP_CACHEABLE - if ( cur - face->charmaps > FT_MAX_CHARMAP_CACHEABLE ) - { - FT_ERROR(( "FT_Set_Charmap: requested charmap is found (%d), " - "but in too late position to cache\n", - cur - face->charmaps )); - continue; - } -#endif face->charmap = cur[0]; - return 0; + return FT_Err_Ok; } } + return FT_THROW( Invalid_Argument ); } @@ -3199,15 +3218,6 @@ FT_ASSERT( i < charmap->face->num_charmaps ); -#ifdef FT_MAX_CHARMAP_CACHEABLE - if ( i > FT_MAX_CHARMAP_CACHEABLE ) - { - FT_ERROR(( "FT_Get_Charmap_Index: requested charmap is found (%d), " - "but in too late position to cache\n", - i )); - return -i; - } -#endif return i; } @@ -3418,8 +3428,9 @@ FT_UInt result = 0; - if ( face && face->charmap && - face->charmap->encoding == FT_ENCODING_UNICODE ) + if ( face && + face->charmap && + face->charmap->encoding == FT_ENCODING_UNICODE ) { FT_CharMap charmap = find_variant_selector_charmap( face ); FT_CMap ucmap = FT_CMAP( face->charmap ); @@ -3597,7 +3608,9 @@ FT_UInt result = 0; - if ( face && FT_HAS_GLYPH_NAMES( face ) ) + if ( face && + FT_HAS_GLYPH_NAMES( face ) && + glyph_name ) { FT_Service_GlyphDict service; @@ -3622,27 +3635,30 @@ FT_Pointer buffer, FT_UInt buffer_max ) { - FT_Error error = FT_ERR( Invalid_Argument ); + FT_Error error; + FT_Service_GlyphDict service; - /* clean up buffer */ - if ( buffer && buffer_max > 0 ) - ((FT_Byte*)buffer)[0] = 0; + if ( !face ) + return FT_THROW( Invalid_Face_Handle ); - if ( face && - (FT_Long)glyph_index <= face->num_glyphs && - FT_HAS_GLYPH_NAMES( face ) ) - { - FT_Service_GlyphDict service; + if ( !buffer || buffer_max == 0 ) + return FT_THROW( Invalid_Argument ); + /* clean up buffer */ + ((FT_Byte*)buffer)[0] = '\0'; - FT_FACE_LOOKUP_SERVICE( face, - service, - GLYPH_DICT ); + if ( (FT_Long)glyph_index >= face->num_glyphs ) + return FT_THROW( Invalid_Glyph_Index ); - if ( service && service->get_name ) - error = service->get_name( face, glyph_index, buffer, buffer_max ); - } + if ( !FT_HAS_GLYPH_NAMES( face ) ) + return FT_THROW( Invalid_Argument ); + + FT_FACE_LOOKUP_SERVICE( face, service, GLYPH_DICT ); + if ( service && service->get_name ) + error = service->get_name( face, glyph_index, buffer, buffer_max ); + else + error = FT_THROW( Invalid_Argument ); return error; } @@ -3683,7 +3699,7 @@ FT_Get_Sfnt_Table( FT_Face face, FT_Sfnt_Tag tag ) { - void* table = 0; + void* table = NULL; FT_Service_SFNT_Table service; @@ -3733,6 +3749,8 @@ FT_ULong offset; + /* test for valid `length' delayed to `service->table_info' */ + if ( !face || !FT_IS_SFNT( face ) ) return FT_THROW( Invalid_Face_Handle ); @@ -3800,12 +3818,12 @@ FT_Face face; - if ( size == NULL ) - return FT_THROW( Invalid_Argument ); + if ( !size ) + return FT_THROW( Invalid_Size_Handle ); face = size->face; - if ( face == NULL || face->driver == NULL ) - return FT_THROW( Invalid_Argument ); + if ( !face || !face->driver ) + return FT_THROW( Invalid_Face_Handle ); /* we don't need anything more complex than that; all size objects */ /* are already listed by the face */ @@ -3984,7 +4002,7 @@ FT_Get_Renderer( FT_Library library, FT_Glyph_Format format ) { - /* test for valid `library' delayed to FT_Lookup_Renderer() */ + /* test for valid `library' delayed to `FT_Lookup_Renderer' */ return FT_Lookup_Renderer( library, format, 0 ); } @@ -4001,12 +4019,26 @@ FT_ListNode node; FT_Error error = FT_Err_Ok; + FT_Renderer_SetModeFunc set_mode; + if ( !library ) - return FT_THROW( Invalid_Library_Handle ); + { + error = FT_THROW( Invalid_Library_Handle ); + goto Exit; + } if ( !renderer ) - return FT_THROW( Invalid_Argument ); + { + error = FT_THROW( Invalid_Argument ); + goto Exit; + } + + if ( num_params > 0 && !parameters ) + { + error = FT_THROW( Invalid_Argument ); + goto Exit; + } node = FT_List_Find( &library->renderers, renderer ); if ( !node ) @@ -4020,18 +4052,14 @@ if ( renderer->glyph_format == FT_GLYPH_FORMAT_OUTLINE ) library->cur_renderer = renderer; - if ( num_params > 0 ) - { - FT_Renderer_SetModeFunc set_mode = renderer->clazz->set_mode; - + set_mode = renderer->clazz->set_mode; - for ( ; num_params > 0; num_params-- ) - { - error = set_mode( renderer, parameters->tag, parameters->data ); - if ( error ) - break; - parameters++; - } + for ( ; num_params > 0; num_params-- ) + { + error = set_mode( renderer, parameters->tag, parameters->data ); + if ( error ) + break; + parameters++; } Exit: @@ -4090,7 +4118,11 @@ /* if we changed the current renderer for the glyph image format */ /* we need to select it as the next current one */ if ( !error && update && renderer ) - FT_Set_Renderer( library, renderer, 0, 0 ); + { + error = FT_Set_Renderer( library, renderer, 0, 0 ); + if ( error ) + break; + } } } @@ -4100,6 +4132,7 @@ #define FT_COMPONENT trace_bitmap /* we convert to a single bitmap format for computing the checksum */ + if ( !error ) { FT_Bitmap bitmap; FT_Error err; @@ -4107,6 +4140,7 @@ FT_Bitmap_New( &bitmap ); + /* this also converts the bitmap flow to `down' (i.e., pitch > 0) */ err = FT_Bitmap_Convert( library, &slot->bitmap, &bitmap, 1 ); if ( !err ) { @@ -4348,7 +4382,7 @@ FT_Get_Module( FT_Library library, const char* module_name ) { - FT_Module result = 0; + FT_Module result = NULL; FT_Module* cur; FT_Module* limit; @@ -4603,6 +4637,9 @@ FT_EXPORT_DEF( FT_Error ) FT_Reference_Library( FT_Library library ) { + if ( !library ) + return FT_THROW( Invalid_Library_Handle ); + library->refcount++; return FT_Err_Ok; @@ -4619,7 +4656,7 @@ FT_Error error; - if ( !memory ) + if ( !memory || !alibrary ) return FT_THROW( Invalid_Argument ); #ifdef FT_DEBUG_LEVEL_ERROR @@ -4881,6 +4918,8 @@ *p_arg1 = subg->arg1; *p_arg2 = subg->arg2; *p_transform = subg->transform; + + error = FT_Err_Ok; } return error; diff --git a/freetype/src/base/ftoutln.c b/freetype/src/base/ftoutln.c index 5f0e61c1c..b214f5446 100644 --- a/freetype/src/base/ftoutln.c +++ b/freetype/src/base/ftoutln.c @@ -73,7 +73,10 @@ FT_Pos delta; - if ( !outline || !func_interface ) + if ( !outline ) + return FT_THROW( Invalid_Outline ); + + if ( !func_interface ) return FT_THROW( Invalid_Argument ); shift = func_interface->shift; @@ -362,7 +365,7 @@ /* empty glyph? */ if ( n_points == 0 && n_contours == 0 ) - return 0; + return FT_Err_Ok; /* check point and contour counts */ if ( n_points <= 0 || n_contours <= 0 ) @@ -384,7 +387,7 @@ goto Bad; /* XXX: check the tags array */ - return 0; + return FT_Err_Ok; } Bad: @@ -401,8 +404,10 @@ FT_Int is_owner; - if ( !source || !target || - source->n_points != target->n_points || + if ( !source || !target ) + return FT_THROW( Invalid_Outline ); + + if ( source->n_points != target->n_points || source->n_contours != target->n_contours ) return FT_THROW( Invalid_Argument ); @@ -430,20 +435,21 @@ FT_Outline_Done_Internal( FT_Memory memory, FT_Outline* outline ) { - if ( memory && outline ) - { - if ( outline->flags & FT_OUTLINE_OWNER ) - { - FT_FREE( outline->points ); - FT_FREE( outline->tags ); - FT_FREE( outline->contours ); - } - *outline = null_outline; + if ( !outline ) + return FT_THROW( Invalid_Outline ); - return FT_Err_Ok; - } - else + if ( !memory ) return FT_THROW( Invalid_Argument ); + + if ( outline->flags & FT_OUTLINE_OWNER ) + { + FT_FREE( outline->points ); + FT_FREE( outline->tags ); + FT_FREE( outline->contours ); + } + *outline = null_outline; + + return FT_Err_Ok; } @@ -614,7 +620,10 @@ if ( !library ) return FT_THROW( Invalid_Library_Handle ); - if ( !outline || !params ) + if ( !outline ) + return FT_THROW( Invalid_Outline ); + + if ( !params ) return FT_THROW( Invalid_Argument ); renderer = library->cur_renderer; @@ -643,7 +652,7 @@ /* if we changed the current renderer for the glyph image format */ /* we need to select it as the next current one */ if ( !error && update && renderer ) - FT_Set_Renderer( library, renderer, 0, 0 ); + error = FT_Set_Renderer( library, renderer, 0, 0 ); return error; } @@ -662,7 +671,7 @@ if ( !abitmap ) return FT_THROW( Invalid_Argument ); - /* other checks are delayed to FT_Outline_Render() */ + /* other checks are delayed to `FT_Outline_Render' */ params.target = abitmap; params.flags = 0; @@ -911,7 +920,7 @@ if ( !outline ) - return FT_THROW( Invalid_Argument ); + return FT_THROW( Invalid_Outline ); xstrength /= 2; ystrength /= 2; @@ -1045,6 +1054,10 @@ FT_Outline_Get_CBox( outline, &cbox ); + /* Handle collapsed outlines to avoid undefined FT_MSB. */ + if ( cbox.xMin == cbox.xMax || cbox.yMin == cbox.yMax ) + return FT_ORIENTATION_NONE; + xshift = FT_MSB( FT_ABS( cbox.xMax ) | FT_ABS( cbox.xMin ) ) - 14; xshift = FT_MAX( xshift, 0 ); diff --git a/freetype/src/base/ftpfr.c b/freetype/src/base/ftpfr.c index 7387e08c6..be5a4c0f5 100644 --- a/freetype/src/base/ftpfr.c +++ b/freetype/src/base/ftpfr.c @@ -4,7 +4,7 @@ /* */ /* FreeType API for accessing PFR-specific data (body). */ /* */ -/* Copyright 2002-2004, 2008, 2010, 2013 by */ +/* Copyright 2002-2004, 2008, 2010, 2013, 2014 by */ /* David Turner, Robert Wilhelm, and Werner Lemberg. */ /* */ /* This file is part of the FreeType project, and may only be used, */ @@ -49,7 +49,7 @@ if ( !face ) - return FT_THROW( Invalid_Argument ); + return FT_THROW( Invalid_Face_Handle ); service = ft_pfr_check( face ); if ( service ) @@ -105,6 +105,9 @@ if ( !face ) + return FT_THROW( Invalid_Face_Handle ); + + if ( !avector ) return FT_THROW( Invalid_Argument ); service = ft_pfr_check( face ); @@ -129,11 +132,15 @@ FT_Service_PfrMetrics service; + if ( !face ) + return FT_THROW( Invalid_Face_Handle ); + + if ( !aadvance ) + return FT_THROW( Invalid_Argument ); + service = ft_pfr_check( face ); if ( service ) - { error = service->get_advance( face, gindex, aadvance ); - } else /* XXX: TODO: PROVIDE ADVANCE-LOADING METHOD TO ALL FONT DRIVERS */ error = FT_THROW( Invalid_Argument ); diff --git a/freetype/src/base/ftrfork.c b/freetype/src/base/ftrfork.c index 0e44d33a8..110b00f64 100644 --- a/freetype/src/base/ftrfork.c +++ b/freetype/src/base/ftrfork.c @@ -182,10 +182,10 @@ return error; FT_TRACE2(( "Resource tags: %c%c%c%c\n", - (char)( 0xff & ( tag_internal >> 24 ) ), - (char)( 0xff & ( tag_internal >> 16 ) ), - (char)( 0xff & ( tag_internal >> 8 ) ), - (char)( 0xff & ( tag_internal >> 0 ) ) )); + (char)( 0xFF & ( tag_internal >> 24 ) ), + (char)( 0xFF & ( tag_internal >> 16 ) ), + (char)( 0xFF & ( tag_internal >> 8 ) ), + (char)( 0xFF & ( tag_internal >> 0 ) ) )); FT_TRACE3(( " : subcount=%d, suboffset=0x%04x\n", subcnt, rpos )); diff --git a/freetype/src/base/ftstream.c b/freetype/src/base/ftstream.c index 8cb1b88b2..1d5bd39c8 100644 --- a/freetype/src/base/ftstream.c +++ b/freetype/src/base/ftstream.c @@ -728,9 +728,12 @@ FT_Byte* cursor; - if ( !fields || !stream ) + if ( !fields ) return FT_THROW( Invalid_Argument ); + if ( !stream ) + return FT_THROW( Invalid_Stream_Handle ); + cursor = stream->cursor; error = FT_Err_Ok; diff --git a/freetype/src/base/ftstroke.c b/freetype/src/base/ftstroke.c index 2f7db791a..aa8da15b4 100644 --- a/freetype/src/base/ftstroke.c +++ b/freetype/src/base/ftstroke.c @@ -4,7 +4,7 @@ /* */ /* FreeType path stroker (body). */ /* */ -/* Copyright 2002-2006, 2008-2011, 2013 by */ +/* Copyright 2002-2006, 2008-2011, 2013, 2014 by */ /* David Turner, Robert Wilhelm, and Werner Lemberg. */ /* */ /* This file is part of the FreeType project, and may only be used, */ @@ -795,6 +795,9 @@ if ( !library ) + return FT_THROW( Invalid_Library_Handle ); + + if ( !astroker ) return FT_THROW( Invalid_Argument ); memory = library->memory; @@ -822,14 +825,17 @@ FT_Stroker_LineJoin line_join, FT_Fixed miter_limit ) { + if ( !stroker ) + return; + stroker->radius = radius; stroker->line_cap = line_cap; stroker->line_join = line_join; stroker->miter_limit = miter_limit; /* ensure miter limit has sensible value */ - if ( stroker->miter_limit < 0x10000 ) - stroker->miter_limit = 0x10000; + if ( stroker->miter_limit < 0x10000L ) + stroker->miter_limit = 0x10000L; /* save line join style: */ /* line join style can be temporarily changed when stroking curves */ @@ -1002,7 +1008,8 @@ FT_Tan( theta ) ) ); - intersect = FT_BOOL( stroker->line_length >= min_length && + intersect = FT_BOOL( min_length && + stroker->line_length >= min_length && line_length >= min_length ); } @@ -1287,6 +1294,9 @@ FT_Fixed line_length; + if ( !stroker || !to ) + return FT_THROW( Invalid_Argument ); + delta.x = to->x - stroker->center.x; delta.y = to->y - stroker->center.y; @@ -1360,6 +1370,12 @@ FT_Bool first_arc = TRUE; + if ( !stroker || !control || !to ) + { + error = FT_THROW( Invalid_Argument ); + goto Exit; + } + /* if all control points are coincident, this is a no-op; */ /* avoid creating a spurious corner */ if ( FT_IS_SMALL( stroker->center.x - control->x ) && @@ -1556,6 +1572,12 @@ FT_Bool first_arc = TRUE; + if ( !stroker || !control1 || !control2 || !to ) + { + error = FT_THROW( Invalid_Argument ); + goto Exit; + } + /* if all control points are coincident, this is a no-op; */ /* avoid creating a spurious corner */ if ( FT_IS_SMALL( stroker->center.x - control1->x ) && @@ -1758,6 +1780,9 @@ FT_Vector* to, FT_Bool open ) { + if ( !stroker || !to ) + return FT_THROW( Invalid_Argument ); + /* We cannot process the first point, because there is not enough */ /* information regarding its corner/cap. The latter will be processed */ /* in the `FT_Stroker_EndSubPath' routine. */ @@ -1858,6 +1883,12 @@ FT_Error error = FT_Err_Ok; + if ( !stroker ) + { + error = FT_THROW( Invalid_Argument ); + goto Exit; + } + if ( stroker->subpath_open ) { FT_StrokeBorder right = stroker->borders; @@ -1983,6 +2014,12 @@ FT_Error error; + if ( !stroker ) + { + error = FT_THROW( Invalid_Argument ); + goto Exit; + } + error = ft_stroke_border_get_counts( stroker->borders + 0, &count1, &count2 ); if ( error ) @@ -1997,8 +2034,12 @@ num_contours = count2 + count4; Exit: - *anum_points = num_points; - *anum_contours = num_contours; + if ( anum_points ) + *anum_points = num_points; + + if ( anum_contours ) + *anum_contours = num_contours; + return error; } @@ -2010,6 +2051,9 @@ FT_StrokerBorder border, FT_Outline* outline ) { + if ( !stroker || !outline ) + return; + if ( border == FT_STROKER_BORDER_LEFT || border == FT_STROKER_BORDER_RIGHT ) { @@ -2059,7 +2103,10 @@ FT_Int tag; /* current point's state */ - if ( !outline || !stroker ) + if ( !outline ) + return FT_THROW( Invalid_Outline ); + + if ( !stroker ) return FT_THROW( Invalid_Argument ); FT_Stroker_Rewind( stroker ); @@ -2258,18 +2305,20 @@ FT_Stroker stroker, FT_Bool destroy ) { - FT_Error error = FT_ERR( Invalid_Argument ); - FT_Glyph glyph = NULL; + FT_Error error = FT_ERR( Invalid_Argument ); + FT_Glyph glyph = NULL; + + /* for FT_OUTLINE_GLYPH_CLASS_GET (in PIC mode) */ FT_Library library = stroker->library; FT_UNUSED( library ); - if ( pglyph == NULL ) + if ( !pglyph ) goto Exit; glyph = *pglyph; - if ( glyph == NULL || glyph->clazz != FT_OUTLINE_GLYPH_CLASS_GET ) + if ( !glyph || glyph->clazz != FT_OUTLINE_GLYPH_CLASS_GET ) goto Exit; { @@ -2293,7 +2342,7 @@ if ( error ) goto Fail; - (void)FT_Stroker_GetCounts( stroker, &num_points, &num_contours ); + FT_Stroker_GetCounts( stroker, &num_points, &num_contours ); FT_Outline_Done( glyph->library, outline ); @@ -2334,18 +2383,20 @@ FT_Bool inside, FT_Bool destroy ) { - FT_Error error = FT_ERR( Invalid_Argument ); - FT_Glyph glyph = NULL; + FT_Error error = FT_ERR( Invalid_Argument ); + FT_Glyph glyph = NULL; + + /* for FT_OUTLINE_GLYPH_CLASS_GET (in PIC mode) */ FT_Library library = stroker->library; FT_UNUSED( library ); - if ( pglyph == NULL ) + if ( !pglyph ) goto Exit; glyph = *pglyph; - if ( glyph == NULL || glyph->clazz != FT_OUTLINE_GLYPH_CLASS_GET ) + if ( !glyph || glyph->clazz != FT_OUTLINE_GLYPH_CLASS_GET ) goto Exit; { @@ -2379,8 +2430,8 @@ if ( error ) goto Fail; - (void)FT_Stroker_GetBorderCounts( stroker, border, - &num_points, &num_contours ); + FT_Stroker_GetBorderCounts( stroker, border, + &num_points, &num_contours ); FT_Outline_Done( glyph->library, outline ); diff --git a/freetype/src/base/ftsynth.c b/freetype/src/base/ftsynth.c index 4fc8254c7..2e6dce16e 100644 --- a/freetype/src/base/ftsynth.c +++ b/freetype/src/base/ftsynth.c @@ -4,7 +4,7 @@ /* */ /* FreeType synthesizing code for emboldening and slanting (body). */ /* */ -/* Copyright 2000-2006, 2010, 2012, 2013 by */ +/* Copyright 2000-2006, 2010, 2012-2014 by */ /* David Turner, Robert Wilhelm, and Werner Lemberg. */ /* */ /* This file is part of the FreeType project, and may only be used, */ @@ -48,9 +48,14 @@ FT_GlyphSlot_Oblique( FT_GlyphSlot slot ) { FT_Matrix transform; - FT_Outline* outline = &slot->outline; + FT_Outline* outline; + if ( !slot ) + return; + + outline = &slot->outline; + /* only oblique outline glyphs */ if ( slot->format != FT_GLYPH_FORMAT_OUTLINE ) return; @@ -84,12 +89,18 @@ FT_EXPORT_DEF( void ) FT_GlyphSlot_Embolden( FT_GlyphSlot slot ) { - FT_Library library = slot->library; - FT_Face face = slot->face; + FT_Library library; + FT_Face face; FT_Error error; FT_Pos xstr, ystr; + if ( !slot ) + return; + + library = slot->library; + face = slot->face; + if ( slot->format != FT_GLYPH_FORMAT_OUTLINE && slot->format != FT_GLYPH_FORMAT_BITMAP ) return; @@ -100,10 +111,8 @@ ystr = xstr; if ( slot->format == FT_GLYPH_FORMAT_OUTLINE ) - { - /* ignore error */ - (void)FT_Outline_EmboldenXY( &slot->outline, xstr, ystr ); - } + FT_Outline_EmboldenXY( &slot->outline, xstr, ystr ); + else /* slot->format == FT_GLYPH_FORMAT_BITMAP */ { /* round to full pixels */ diff --git a/freetype/src/base/fttrigon.c b/freetype/src/base/fttrigon.c index 9e0af81b0..aa191fd2f 100644 --- a/freetype/src/base/fttrigon.c +++ b/freetype/src/base/fttrigon.c @@ -4,7 +4,7 @@ /* */ /* FreeType trigonometric functions (body). */ /* */ -/* Copyright 2001-2005, 2012-2013 by */ +/* Copyright 2001-2005, 2012-2014 by */ /* David Turner, Robert Wilhelm, and Werner Lemberg. */ /* */ /* This file is part of the FreeType project, and may only be used, */ @@ -45,7 +45,7 @@ /* this table was generated for FT_PI = 180L << 16, i.e. degrees */ #define FT_TRIG_MAX_ITERS 23 - static const FT_Fixed + static const FT_Angle ft_trig_arctan_table[] = { 1740967L, 919879L, 466945L, 234379L, 117304L, 58666L, 29335L, @@ -60,17 +60,20 @@ static FT_Fixed ft_trig_downscale( FT_Fixed val ) { - FT_Fixed s; - FT_Int64 v; + FT_Int s = 1; - s = val; - val = FT_ABS( val ); + if ( val < 0 ) + { + val = -val; + s = -1; + } - v = ( val * (FT_Int64)FT_TRIG_SCALE ) + 0x100000000UL; - val = (FT_Fixed)( v >> 32 ); + /* 0x40000000 comes from regression analysis between true */ + /* and CORDIC hypotenuse, so it minimizes the error */ + val = (FT_Fixed)( ( (FT_Int64)val * FT_TRIG_SCALE + 0x40000000UL ) >> 32 ); - return ( s >= 0 ) ? val : -val; + return s < 0 ? -val : val; } #else /* !FT_LONG64 */ @@ -79,38 +82,53 @@ static FT_Fixed ft_trig_downscale( FT_Fixed val ) { - FT_Fixed s; - FT_UInt32 v1, v2, k1, k2, hi, lo1, lo2, lo3; + FT_Int s = 1; + FT_UInt32 lo1, hi1, lo2, hi2, lo, hi, i1, i2; + + + if ( val < 0 ) + { + val = -val; + s = -1; + } + lo1 = val & 0x0000FFFFU; + hi1 = val >> 16; + lo2 = FT_TRIG_SCALE & 0x0000FFFFU; + hi2 = FT_TRIG_SCALE >> 16; - s = val; - val = FT_ABS( val ); + lo = lo1 * lo2; + i1 = lo1 * hi2; + i2 = lo2 * hi1; + hi = hi1 * hi2; - v1 = (FT_UInt32)val >> 16; - v2 = (FT_UInt32)( val & 0xFFFFL ); + /* Check carry overflow of i1 + i2 */ + i1 += i2; + hi += (FT_UInt32)( i1 < i2 ) << 16; - k1 = (FT_UInt32)FT_TRIG_SCALE >> 16; /* constant */ - k2 = (FT_UInt32)( FT_TRIG_SCALE & 0xFFFFL ); /* constant */ + hi += i1 >> 16; + i1 = i1 << 16; - hi = k1 * v1; - lo1 = k1 * v2 + k2 * v1; /* can't overflow */ + /* Check carry overflow of i1 + lo */ + lo += i1; + hi += ( lo < i1 ); - lo2 = ( k2 * v2 ) >> 16; - lo3 = FT_MAX( lo1, lo2 ); - lo1 += lo2; + /* 0x40000000 comes from regression analysis between true */ + /* and CORDIC hypotenuse, so it minimizes the error */ - hi += lo1 >> 16; - if ( lo1 < lo3 ) - hi += (FT_UInt32)0x10000UL; + /* Check carry overflow of lo + 0x40000000 */ + lo += 0x40000000UL; + hi += ( lo < 0x40000000UL ); val = (FT_Fixed)hi; - return ( s >= 0 ) ? val : -val; + return s < 0 ? -val : val; } #endif /* !FT_LONG64 */ + /* undefined and never called for zero vector */ static FT_Int ft_trig_prenorm( FT_Vector* vec ) { @@ -147,7 +165,7 @@ { FT_Int i; FT_Fixed x, y, xtemp, b; - const FT_Fixed *arctanptr; + const FT_Angle *arctanptr; x = vec->x; @@ -202,7 +220,7 @@ FT_Angle theta; FT_Int i; FT_Fixed x, y, xtemp, b; - const FT_Fixed *arctanptr; + const FT_Angle *arctanptr; x = vec->x; @@ -261,11 +279,12 @@ } } - /* round theta */ + /* round theta to acknowledge its error that mostly comes */ + /* from accumulated rounding errors in the arctan table */ if ( theta >= 0 ) - theta = FT_PAD_ROUND( theta, 32 ); + theta = FT_PAD_ROUND( theta, 16 ); else - theta = -FT_PAD_ROUND( -theta, 32 ); + theta = -FT_PAD_ROUND( -theta, 16 ); vec->x = x; vec->y = theta; @@ -340,6 +359,9 @@ FT_Vector_Unit( FT_Vector* vec, FT_Angle angle ) { + if ( !vec ) + return; + vec->x = FT_TRIG_SCALE >> 8; vec->y = 0; ft_trig_pseudo_rotate( vec, angle ); @@ -366,6 +388,9 @@ FT_Vector v; + if ( !vec ) + return; + v.x = vec->x; v.y = vec->y; @@ -403,6 +428,9 @@ FT_Vector v; + if ( !vec ) + return 0; + v = *vec; /* handle trivial cases */ @@ -439,6 +467,9 @@ FT_Vector v; + if ( !vec || !length || !angle ) + return; + v = *vec; if ( v.x == 0 && v.y == 0 ) @@ -449,8 +480,8 @@ v.x = ft_trig_downscale( v.x ); - *length = ( shift >= 0 ) ? ( v.x >> shift ) - : (FT_Fixed)( (FT_UInt32)v.x << -shift ); + *length = shift >= 0 ? ( v.x >> shift ) + : (FT_Fixed)( (FT_UInt32)v.x << -shift ); *angle = v.y; } @@ -462,6 +493,9 @@ FT_Fixed length, FT_Angle angle ) { + if ( !vec ) + return; + vec->x = length; vec->y = 0; diff --git a/freetype/src/base/fttype1.c b/freetype/src/base/fttype1.c index 54ccbbd30..47af19afb 100644 --- a/freetype/src/base/fttype1.c +++ b/freetype/src/base/fttype1.c @@ -4,7 +4,7 @@ /* */ /* FreeType utility file for PS names support (body). */ /* */ -/* Copyright 2002-2004, 2011 by */ +/* Copyright 2002-2004, 2011, 2014 by */ /* David Turner, Robert Wilhelm, and Werner Lemberg. */ /* */ /* This file is part of the FreeType project, and may only be used, */ @@ -17,9 +17,10 @@ #include <ft2build.h> -#include <internal/ftobjs.h> -#include <internal/ftserv.h> -#include <internal/services/svpsinfo.h> +#include FT_INTERNAL_DEBUG_H +#include FT_INTERNAL_OBJECTS_H +#include FT_INTERNAL_SERVICE_H +#include FT_SERVICE_POSTSCRIPT_INFO_H /* documentation is in t1tables.h */ @@ -28,19 +29,22 @@ FT_Get_PS_Font_Info( FT_Face face, PS_FontInfoRec* afont_info ) { - FT_Error error = FT_ERR( Invalid_Argument ); + FT_Error error; + FT_Service_PsInfo service; - if ( face ) - { - FT_Service_PsInfo service = NULL; + if ( !face ) + return FT_THROW( Invalid_Face_Handle ); + if ( !afont_info ) + return FT_THROW( Invalid_Argument ); - FT_FACE_FIND_SERVICE( face, service, POSTSCRIPT_INFO ); + FT_FACE_FIND_SERVICE( face, service, POSTSCRIPT_INFO ); - if ( service && service->ps_get_font_info ) - error = service->ps_get_font_info( face, afont_info ); - } + if ( service && service->ps_get_font_info ) + error = service->ps_get_font_info( face, afont_info ); + else + error = FT_THROW( Invalid_Argument ); return error; } @@ -51,8 +55,8 @@ FT_EXPORT_DEF( FT_Int ) FT_Has_PS_Glyph_Names( FT_Face face ) { - FT_Int result = 0; - FT_Service_PsInfo service = NULL; + FT_Int result = 0; + FT_Service_PsInfo service; if ( face ) @@ -73,19 +77,22 @@ FT_Get_PS_Font_Private( FT_Face face, PS_PrivateRec* afont_private ) { - FT_Error error = FT_ERR( Invalid_Argument ); + FT_Error error; + FT_Service_PsInfo service; - if ( face ) - { - FT_Service_PsInfo service = NULL; + if ( !face ) + return FT_THROW( Invalid_Face_Handle ); + if ( !afont_private ) + return FT_THROW( Invalid_Argument ); - FT_FACE_FIND_SERVICE( face, service, POSTSCRIPT_INFO ); + FT_FACE_FIND_SERVICE( face, service, POSTSCRIPT_INFO ); - if ( service && service->ps_get_font_private ) - error = service->ps_get_font_private( face, afont_private ); - } + if ( service && service->ps_get_font_private ) + error = service->ps_get_font_private( face, afont_private ); + else + error = FT_THROW( Invalid_Argument ); return error; } diff --git a/freetype/src/base/ftutil.c b/freetype/src/base/ftutil.c index 317280b85..e26aa87f5 100644 --- a/freetype/src/base/ftutil.c +++ b/freetype/src/base/ftutil.c @@ -245,6 +245,9 @@ FT_ListNode cur; + if ( !list ) + return NULL; + cur = list->head; while ( cur ) { @@ -254,7 +257,7 @@ cur = cur->next; } - return (FT_ListNode)0; + return NULL; } @@ -264,8 +267,13 @@ FT_List_Add( FT_List list, FT_ListNode node ) { - FT_ListNode before = list->tail; + FT_ListNode before; + + + if ( !list || !node ) + return; + before = list->tail; node->next = 0; node->prev = before; @@ -285,8 +293,13 @@ FT_List_Insert( FT_List list, FT_ListNode node ) { - FT_ListNode after = list->head; + FT_ListNode after; + + + if ( !list || !node ) + return; + after = list->head; node->next = after; node->prev = 0; @@ -309,6 +322,9 @@ FT_ListNode before, after; + if ( !list || !node ) + return; + before = node->prev; after = node->next; @@ -333,6 +349,9 @@ FT_ListNode before, after; + if ( !list || !node ) + return; + before = node->prev; after = node->next; @@ -357,14 +376,19 @@ /* documentation is in ftlist.h */ FT_EXPORT_DEF( FT_Error ) - FT_List_Iterate( FT_List list, - FT_List_Iterator iterator, - void* user ) + FT_List_Iterate( FT_List list, + FT_List_Iterator iterator, + void* user ) { - FT_ListNode cur = list->head; + FT_ListNode cur; FT_Error error = FT_Err_Ok; + if ( !list || !iterator ) + return FT_THROW( Invalid_Argument ); + + cur = list->head; + while ( cur ) { FT_ListNode next = cur->next; @@ -392,6 +416,9 @@ FT_ListNode cur; + if ( !list || !memory ) + return; + cur = list->head; while ( cur ) { @@ -411,26 +438,4 @@ } - FT_BASE_DEF( FT_UInt32 ) - ft_highpow2( FT_UInt32 value ) - { - FT_UInt32 value2; - - - /* - * We simply clear the lowest bit in each iteration. When - * we reach 0, we know that the previous value was our result. - */ - for ( ;; ) - { - value2 = value & (value - 1); /* clear lowest bit */ - if ( value2 == 0 ) - break; - - value = value2; - } - return value; - } - - /* END */ diff --git a/freetype/src/base/ftwinfnt.c b/freetype/src/base/ftwinfnt.c index c5ae97e1a..cb3733523 100644 --- a/freetype/src/base/ftwinfnt.c +++ b/freetype/src/base/ftwinfnt.c @@ -4,7 +4,7 @@ /* */ /* FreeType API for accessing Windows FNT specific info (body). */ /* */ -/* Copyright 2003, 2004 by */ +/* Copyright 2003, 2004, 2014 by */ /* David Turner, Robert Wilhelm, and Werner Lemberg. */ /* */ /* This file is part of the FreeType project, and may only be used, */ @@ -17,6 +17,7 @@ #include <ft2build.h> +#include FT_INTERNAL_DEBUG_H #include FT_WINFONTS_H #include <freetype/internal/ftobjs.h> #include FT_SERVICE_WINFNT_H @@ -32,17 +33,18 @@ FT_Error error; - error = FT_ERR( Invalid_Argument ); + if ( !face ) + return FT_THROW( Invalid_Face_Handle ); - if ( face != NULL ) - { - FT_FACE_LOOKUP_SERVICE( face, service, WINFNT ); + if ( !header ) + return FT_THROW( Invalid_Argument ); - if ( service != NULL ) - { - error = service->get_header( face, header ); - } - } + FT_FACE_LOOKUP_SERVICE( face, service, WINFNT ); + + if ( service ) + error = service->get_header( face, header ); + else + error = FT_THROW( Invalid_Argument ); return error; } diff --git a/freetype/src/bdf/bdfdrivr.c b/freetype/src/bdf/bdfdrivr.c index 2893d7780..efd2a0420 100644 --- a/freetype/src/bdf/bdfdrivr.c +++ b/freetype/src/bdf/bdfdrivr.c @@ -182,7 +182,7 @@ THE SOFTWARE. } - FT_CALLBACK_TABLE_DEF + static const FT_CMap_ClassRec bdf_cmap_class = { sizeof ( BDF_CMapRec ), @@ -384,7 +384,7 @@ THE SOFTWARE. BDF_Face_Done( bdfface ); return FT_THROW( Invalid_Argument ); } - + { bdf_property_t* prop = NULL; @@ -679,7 +679,13 @@ THE SOFTWARE. FT_UNUSED( load_flags ); - if ( !face || glyph_index >= (FT_UInt)face->num_glyphs ) + if ( !face ) + { + error = FT_THROW( Invalid_Face_Handle ); + goto Exit; + } + + if ( glyph_index >= (FT_UInt)face->num_glyphs ) { error = FT_THROW( Invalid_Argument ); goto Exit; diff --git a/freetype/src/bdf/bdflib.c b/freetype/src/bdf/bdflib.c index 7156020d4..97ea96007 100644 --- a/freetype/src/bdf/bdflib.c +++ b/freetype/src/bdf/bdflib.c @@ -169,6 +169,18 @@ sizeof ( _bdf_properties[0] ); + /* An auxiliary macro to parse properties, to be used in conditionals. */ + /* It behaves like `strncmp' but also tests the following character */ + /* whether it is a whitespace or NULL. */ + /* `property' is a constant string of length `n' to compare with. */ +#define _bdf_strncmp( name, property, n ) \ + ( ft_strncmp( name, property, n ) || \ + !( name[n] == ' ' || \ + name[n] == '\0' || \ + name[n] == '\n' || \ + name[n] == '\r' || \ + name[n] == '\t' ) ) + /* Auto correction messages. */ #define ACMSG1 "FONT_ASCENT property missing. " \ "Added `FONT_ASCENT %hd'.\n" @@ -769,8 +781,8 @@ hold = buf[end]; buf[end] = 0; - /* XXX: Use encoding independent value for 0x1a */ - if ( buf[start] != '#' && buf[start] != 0x1a && end > start ) + /* XXX: Use encoding independent value for 0x1A */ + if ( buf[start] != '#' && buf[start] != 0x1A && end > start ) { error = (*cb)( buf + start, (unsigned long)( end - start ), lineno, (void*)&cb, client_data ); @@ -811,17 +823,17 @@ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }; static const unsigned char odigits[32] = { - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, @@ -829,7 +841,7 @@ static const unsigned char ddigits[32] = { - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0x03, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xFF, 0x03, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, @@ -837,8 +849,8 @@ static const unsigned char hdigits[32] = { - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0x03, - 0x7e, 0x00, 0x00, 0x00, 0x7e, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xFF, 0x03, + 0x7E, 0x00, 0x00, 0x00, 0x7E, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, }; @@ -1408,7 +1420,7 @@ /* If the property happens to be a comment, then it doesn't need */ /* to be added to the internal hash table. */ - if ( ft_strncmp( name, "COMMENT", 7 ) != 0 ) + if ( _bdf_strncmp( name, "COMMENT", 7 ) != 0 ) { /* Add the property to the font property table. */ error = hash_insert( fp->name, @@ -1426,13 +1438,13 @@ /* FONT_ASCENT and FONT_DESCENT need to be assigned if they are */ /* present, and the SPACING property should override the default */ /* spacing. */ - if ( ft_strncmp( name, "DEFAULT_CHAR", 12 ) == 0 ) + if ( _bdf_strncmp( name, "DEFAULT_CHAR", 12 ) == 0 ) font->default_char = fp->value.l; - else if ( ft_strncmp( name, "FONT_ASCENT", 11 ) == 0 ) + else if ( _bdf_strncmp( name, "FONT_ASCENT", 11 ) == 0 ) font->font_ascent = fp->value.l; - else if ( ft_strncmp( name, "FONT_DESCENT", 12 ) == 0 ) + else if ( _bdf_strncmp( name, "FONT_DESCENT", 12 ) == 0 ) font->font_descent = fp->value.l; - else if ( ft_strncmp( name, "SPACING", 7 ) == 0 ) + else if ( _bdf_strncmp( name, "SPACING", 7 ) == 0 ) { if ( !fp->value.atom ) { @@ -1490,7 +1502,7 @@ memory = font->memory; /* Check for a comment. */ - if ( ft_strncmp( line, "COMMENT", 7 ) == 0 ) + if ( _bdf_strncmp( line, "COMMENT", 7 ) == 0 ) { linelen -= 7; @@ -1507,7 +1519,7 @@ /* The very first thing expected is the number of glyphs. */ if ( !( p->flags & _BDF_GLYPHS ) ) { - if ( ft_strncmp( line, "CHARS", 5 ) != 0 ) + if ( _bdf_strncmp( line, "CHARS", 5 ) != 0 ) { FT_ERROR(( "_bdf_parse_glyphs: " ERRMSG1, lineno, "CHARS" )); error = FT_THROW( Missing_Chars_Field ); @@ -1541,8 +1553,16 @@ } /* Check for the ENDFONT field. */ - if ( ft_strncmp( line, "ENDFONT", 7 ) == 0 ) + if ( _bdf_strncmp( line, "ENDFONT", 7 ) == 0 ) { + if ( p->flags & _BDF_GLYPH_BITS ) + { + /* Missing ENDCHAR field. */ + FT_ERROR(( "_bdf_parse_glyphs: " ERRMSG1, lineno, "ENDCHAR" )); + error = FT_THROW( Corrupted_Font_Glyphs ); + goto Exit; + } + /* Sort the glyphs by encoding. */ ft_qsort( (char *)font->glyphs, font->glyphs_used, @@ -1555,7 +1575,7 @@ } /* Check for the ENDCHAR field. */ - if ( ft_strncmp( line, "ENDCHAR", 7 ) == 0 ) + if ( _bdf_strncmp( line, "ENDCHAR", 7 ) == 0 ) { p->glyph_enc = 0; p->flags &= ~_BDF_GLYPH_BITS; @@ -1571,7 +1591,7 @@ goto Exit; /* Check for the STARTCHAR field. */ - if ( ft_strncmp( line, "STARTCHAR", 9 ) == 0 ) + if ( _bdf_strncmp( line, "STARTCHAR", 9 ) == 0 ) { /* Set the character name in the parse info first until the */ /* encoding can be checked for an unencoded character. */ @@ -1605,7 +1625,7 @@ } /* Check for the ENCODING field. */ - if ( ft_strncmp( line, "ENCODING", 8 ) == 0 ) + if ( _bdf_strncmp( line, "ENCODING", 8 ) == 0 ) { if ( !( p->flags & _BDF_GLYPH ) ) { @@ -1791,7 +1811,7 @@ } /* Expect the SWIDTH (scalable width) field next. */ - if ( ft_strncmp( line, "SWIDTH", 6 ) == 0 ) + if ( _bdf_strncmp( line, "SWIDTH", 6 ) == 0 ) { if ( !( p->flags & _BDF_ENCODING ) ) goto Missing_Encoding; @@ -1807,7 +1827,7 @@ } /* Expect the DWIDTH (scalable width) field next. */ - if ( ft_strncmp( line, "DWIDTH", 6 ) == 0 ) + if ( _bdf_strncmp( line, "DWIDTH", 6 ) == 0 ) { if ( !( p->flags & _BDF_ENCODING ) ) goto Missing_Encoding; @@ -1835,7 +1855,7 @@ } /* Expect the BBX field next. */ - if ( ft_strncmp( line, "BBX", 3 ) == 0 ) + if ( _bdf_strncmp( line, "BBX", 3 ) == 0 ) { if ( !( p->flags & _BDF_ENCODING ) ) goto Missing_Encoding; @@ -1903,7 +1923,7 @@ } /* And finally, gather up the bitmap. */ - if ( ft_strncmp( line, "BITMAP", 6 ) == 0 ) + if ( _bdf_strncmp( line, "BITMAP", 6 ) == 0 ) { unsigned long bitmap_size; @@ -1978,7 +1998,7 @@ p = (_bdf_parse_t *) client_data; /* Check for the end of the properties. */ - if ( ft_strncmp( line, "ENDPROPERTIES", 13 ) == 0 ) + if ( _bdf_strncmp( line, "ENDPROPERTIES", 13 ) == 0 ) { /* If the FONT_ASCENT or FONT_DESCENT properties have not been */ /* encountered yet, then make sure they are added as properties and */ @@ -2019,12 +2039,12 @@ } /* Ignore the _XFREE86_GLYPH_RANGES properties. */ - if ( ft_strncmp( line, "_XFREE86_GLYPH_RANGES", 21 ) == 0 ) + if ( _bdf_strncmp( line, "_XFREE86_GLYPH_RANGES", 21 ) == 0 ) goto Exit; /* Handle COMMENT fields and properties in a special way to preserve */ /* the spacing. */ - if ( ft_strncmp( line, "COMMENT", 7 ) == 0 ) + if ( _bdf_strncmp( line, "COMMENT", 7 ) == 0 ) { name = value = line; value += 7; @@ -2088,7 +2108,7 @@ /* Check for a comment. This is done to handle those fonts that have */ /* comments before the STARTFONT line for some reason. */ - if ( ft_strncmp( line, "COMMENT", 7 ) == 0 ) + if ( _bdf_strncmp( line, "COMMENT", 7 ) == 0 ) { if ( p->opts->keep_comments != 0 && p->font != 0 ) { @@ -2114,7 +2134,7 @@ { memory = p->memory; - if ( ft_strncmp( line, "STARTFONT", 9 ) != 0 ) + if ( _bdf_strncmp( line, "STARTFONT", 9 ) != 0 ) { /* we don't emit an error message since this code gets */ /* explicitly caught one level higher */ @@ -2162,7 +2182,7 @@ } /* Check for the start of the properties. */ - if ( ft_strncmp( line, "STARTPROPERTIES", 15 ) == 0 ) + if ( _bdf_strncmp( line, "STARTPROPERTIES", 15 ) == 0 ) { if ( !( p->flags & _BDF_FONT_BBX ) ) { @@ -2191,7 +2211,7 @@ } /* Check for the FONTBOUNDINGBOX field. */ - if ( ft_strncmp( line, "FONTBOUNDINGBOX", 15 ) == 0 ) + if ( _bdf_strncmp( line, "FONTBOUNDINGBOX", 15 ) == 0 ) { if ( !( p->flags & _BDF_SIZE ) ) { @@ -2222,7 +2242,7 @@ } /* The next thing to check for is the FONT field. */ - if ( ft_strncmp( line, "FONT", 4 ) == 0 ) + if ( _bdf_strncmp( line, "FONT", 4 ) == 0 ) { error = _bdf_list_split( &p->list, (char *)" +", line, linelen ); if ( error ) @@ -2257,7 +2277,7 @@ } /* Check for the SIZE field. */ - if ( ft_strncmp( line, "SIZE", 4 ) == 0 ) + if ( _bdf_strncmp( line, "SIZE", 4 ) == 0 ) { if ( !( p->flags & _BDF_FONT_NAME ) ) { @@ -2311,7 +2331,7 @@ } /* Check for the CHARS field -- font properties are optional */ - if ( ft_strncmp( line, "CHARS", 5 ) == 0 ) + if ( _bdf_strncmp( line, "CHARS", 5 ) == 0 ) { char nbuf[128]; diff --git a/freetype/src/bzip2/ftbzip2.c b/freetype/src/bzip2/ftbzip2.c index 749413027..7e406b161 100644 --- a/freetype/src/bzip2/ftbzip2.c +++ b/freetype/src/bzip2/ftbzip2.c @@ -8,7 +8,7 @@ /* parse compressed PCF fonts, as found with many X11 server */ /* distributions. */ /* */ -/* Copyright 2010, 2012, 2013 by */ +/* Copyright 2010, 2012-2014 by */ /* Joel Klinghed. */ /* */ /* Based on src/gzip/ftgzip.c, Copyright 2002 - 2010 by */ @@ -131,7 +131,7 @@ /* head[0] && head[1] are the magic numbers; */ /* head[2] is the version, and head[3] the blocksize */ if ( head[0] != 0x42 || - head[1] != 0x5a || + head[1] != 0x5A || head[2] != 0x68 ) /* only support bzip2 (huffman) */ { error = FT_THROW( Invalid_File_Format ); @@ -456,10 +456,18 @@ FT_Stream source ) { FT_Error error; - FT_Memory memory = source->memory; + FT_Memory memory; FT_BZip2File zip = NULL; + if ( !stream || !source ) + { + error = FT_THROW( Invalid_Stream_Handle ); + goto Exit; + } + + memory = source->memory; + /* * check the header right now; this prevents allocating unnecessary * objects when we don't need them diff --git a/freetype/src/cache/ftcbasic.c b/freetype/src/cache/ftcbasic.c index 880dba9da..90f7cf936 100644 --- a/freetype/src/cache/ftcbasic.c +++ b/freetype/src/cache/ftcbasic.c @@ -4,7 +4,7 @@ /* */ /* The FreeType basic cache interface (body). */ /* */ -/* Copyright 2003-2007, 2009-2011, 2013 by */ +/* Copyright 2003-2007, 2009-2011, 2013, 2014 by */ /* David Turner, Robert Wilhelm, and Werner Lemberg. */ /* */ /* This file is part of the FreeType project, and may only be used, */ @@ -110,10 +110,9 @@ return result; if ( (FT_ULong)face->num_glyphs > FT_UINT_MAX || 0 > face->num_glyphs ) - { - FT_TRACE1(( "ftc_basic_family_get_count: too large number of glyphs " )); - FT_TRACE1(( "in this face, truncated\n", face->num_glyphs )); - } + FT_TRACE1(( "ftc_basic_family_get_count:" + " too large number of glyphs in this face, truncated\n", + face->num_glyphs )); if ( !error ) result = (FT_UInt)face->num_glyphs; @@ -229,7 +228,7 @@ * */ - FT_CALLBACK_TABLE_DEF + static const FTC_IFamilyClassRec ftc_basic_image_family_class = { { @@ -243,7 +242,7 @@ }; - FT_CALLBACK_TABLE_DEF + static const FTC_GCacheClassRec ftc_basic_image_cache_class = { { @@ -287,7 +286,7 @@ FT_PtrDist hash; - /* some argument checks are delayed to FTC_Cache_Lookup */ + /* some argument checks are delayed to `FTC_Cache_Lookup' */ if ( !aglyph ) { error = FT_THROW( Invalid_Argument ); @@ -298,18 +297,15 @@ if ( anode ) *anode = NULL; - { - if ( (FT_ULong)(type->flags - FT_INT_MIN) > FT_UINT_MAX ) - { - FT_TRACE1(( "FTC_ImageCache_Lookup: higher bits in load_flags" )); - FT_TRACE1(( "0x%x are dropped\n", (type->flags & ~((FT_ULong)FT_UINT_MAX)) )); - } + if ( (FT_ULong)( type->flags - FT_INT_MIN ) > FT_UINT_MAX ) + FT_TRACE1(( "FTC_ImageCache_Lookup:" + " higher bits in load_flags 0x%x are dropped\n", + type->flags & ~((FT_ULong)FT_UINT_MAX) )); - query.attrs.scaler.face_id = type->face_id; - query.attrs.scaler.width = type->width; - query.attrs.scaler.height = type->height; - query.attrs.load_flags = (FT_UInt)type->flags; - } + query.attrs.scaler.face_id = type->face_id; + query.attrs.scaler.width = type->width; + query.attrs.scaler.height = type->height; + query.attrs.load_flags = (FT_UInt)type->flags; query.attrs.scaler.pixel = 1; query.attrs.scaler.x_res = 0; /* make compilers happy */ @@ -363,7 +359,7 @@ FT_PtrDist hash; - /* some argument checks are delayed to FTC_Cache_Lookup */ + /* some argument checks are delayed to `FTC_Cache_Lookup' */ if ( !aglyph || !scaler ) { error = FT_THROW( Invalid_Argument ); @@ -374,12 +370,11 @@ if ( anode ) *anode = NULL; - /* FT_Load_Glyph(), FT_Load_Char() take FT_UInt flags */ + /* `FT_Load_Glyph' and `FT_Load_Char' take FT_UInt flags */ if ( load_flags > FT_UINT_MAX ) - { - FT_TRACE1(( "FTC_ImageCache_LookupScaler: higher bits in load_flags" )); - FT_TRACE1(( "0x%x are dropped\n", (load_flags & ~((FT_ULong)FT_UINT_MAX)) )); - } + FT_TRACE1(( "FTC_ImageCache_LookupScaler:" + " higher bits in load_flags 0x%x are dropped\n", + load_flags & ~((FT_ULong)FT_UINT_MAX) )); query.attrs.scaler = scaler[0]; query.attrs.load_flags = (FT_UInt)load_flags; @@ -415,7 +410,7 @@ * */ - FT_CALLBACK_TABLE_DEF + static const FTC_SFamilyClassRec ftc_basic_sbit_family_class = { { @@ -430,7 +425,7 @@ }; - FT_CALLBACK_TABLE_DEF + static const FTC_GCacheClassRec ftc_basic_sbit_cache_class = { { @@ -477,24 +472,21 @@ if ( anode ) *anode = NULL; - /* other argument checks delayed to FTC_Cache_Lookup */ + /* other argument checks delayed to `FTC_Cache_Lookup' */ if ( !ansbit ) return FT_THROW( Invalid_Argument ); *ansbit = NULL; - { - if ( (FT_ULong)(type->flags - FT_INT_MIN) > FT_UINT_MAX ) - { - FT_TRACE1(( "FTC_ImageCache_Lookup: higher bits in load_flags" )); - FT_TRACE1(( "0x%x are dropped\n", (type->flags & ~((FT_ULong)FT_UINT_MAX)) )); - } + if ( (FT_ULong)( type->flags - FT_INT_MIN ) > FT_UINT_MAX ) + FT_TRACE1(( "FTC_ImageCache_Lookup:" + " higher bits in load_flags 0x%x are dropped\n", + type->flags & ~((FT_ULong)FT_UINT_MAX) )); - query.attrs.scaler.face_id = type->face_id; - query.attrs.scaler.width = type->width; - query.attrs.scaler.height = type->height; - query.attrs.load_flags = (FT_UInt)type->flags; - } + query.attrs.scaler.face_id = type->face_id; + query.attrs.scaler.width = type->width; + query.attrs.scaler.height = type->height; + query.attrs.load_flags = (FT_UInt)type->flags; query.attrs.scaler.pixel = 1; query.attrs.scaler.x_res = 0; /* make compilers happy */ @@ -555,18 +547,17 @@ if ( anode ) *anode = NULL; - /* other argument checks delayed to FTC_Cache_Lookup */ + /* other argument checks delayed to `FTC_Cache_Lookup' */ if ( !ansbit || !scaler ) return FT_THROW( Invalid_Argument ); *ansbit = NULL; - /* FT_Load_Glyph(), FT_Load_Char() take FT_UInt flags */ + /* `FT_Load_Glyph' and `FT_Load_Char' take FT_UInt flags */ if ( load_flags > FT_UINT_MAX ) - { - FT_TRACE1(( "FTC_ImageCache_LookupScaler: higher bits in load_flags" )); - FT_TRACE1(( "0x%x are dropped\n", (load_flags & ~((FT_ULong)FT_UINT_MAX)) )); - } + FT_TRACE1(( "FTC_ImageCache_LookupScaler:" + " higher bits in load_flags 0x%x are dropped\n", + load_flags & ~((FT_ULong)FT_UINT_MAX) )); query.attrs.scaler = scaler[0]; query.attrs.load_flags = (FT_UInt)load_flags; diff --git a/freetype/src/cache/ftccmap.c b/freetype/src/cache/ftccmap.c index 903853522..9de2a64d0 100644 --- a/freetype/src/cache/ftccmap.c +++ b/freetype/src/cache/ftccmap.c @@ -4,7 +4,7 @@ /* */ /* FreeType CharMap cache (body) */ /* */ -/* Copyright 2000-2013 by */ +/* Copyright 2000-2014 by */ /* David Turner, Robert Wilhelm, and Werner Lemberg. */ /* */ /* This file is part of the FreeType project, and may only be used, */ @@ -202,7 +202,7 @@ /*************************************************************************/ - FT_CALLBACK_TABLE_DEF + static const FTC_CacheClassRec ftc_cmap_cache_class = { ftc_cmap_node_new, @@ -263,6 +263,9 @@ return 0; } + if ( !face_id ) + return 0; + query.face_id = face_id; query.cmap_index = (FT_UInt)cmap_index; query.char_code = char_code; @@ -301,12 +304,6 @@ if ( error ) goto Exit; -#ifdef FT_MAX_CHARMAP_CACHEABLE - /* something rotten can happen with rogue clients */ - if ( cmap_index > FT_MAX_CHARMAP_CACHEABLE ) - return 0; /* XXX: should return appropriate error */ -#endif - if ( (FT_UInt)cmap_index < (FT_UInt)face->num_charmaps ) { FT_CharMap old, cmap = NULL; diff --git a/freetype/src/cache/ftcmanag.c b/freetype/src/cache/ftcmanag.c index 1df1775f2..41390ba95 100644 --- a/freetype/src/cache/ftcmanag.c +++ b/freetype/src/cache/ftcmanag.c @@ -4,7 +4,7 @@ /* */ /* FreeType Cache Manager (body). */ /* */ -/* Copyright 2000-2006, 2008-2010, 2013 by */ +/* Copyright 2000-2006, 2008-2010, 2013, 2014 by */ /* David Turner, Robert Wilhelm, and Werner Lemberg. */ /* */ /* This file is part of the FreeType project, and may only be used, */ @@ -151,7 +151,7 @@ } - FT_CALLBACK_TABLE_DEF + static const FTC_MruListClassRec ftc_size_list_class = { sizeof ( FTC_SizeNodeRec ), @@ -186,7 +186,7 @@ FTC_MruNode mrunode; - if ( asize == NULL ) + if ( !asize || !scaler ) return FT_THROW( Invalid_Argument ); *asize = NULL; @@ -290,7 +290,7 @@ } - FT_CALLBACK_TABLE_DEF + static const FTC_MruListClassRec ftc_face_list_class = { sizeof ( FTC_FaceNodeRec), @@ -313,7 +313,7 @@ FTC_MruNode mrunode; - if ( aface == NULL ) + if ( !aface || !face_id ) return FT_THROW( Invalid_Argument ); *aface = NULL; @@ -366,6 +366,9 @@ if ( !library ) return FT_THROW( Invalid_Library_Handle ); + if ( !amanager || !requester ) + return FT_THROW( Invalid_Argument ); + memory = library->memory; if ( FT_NEW( manager ) ) @@ -451,11 +454,11 @@ FT_EXPORT_DEF( void ) FTC_Manager_Reset( FTC_Manager manager ) { - if ( manager ) - { - FTC_MruList_Reset( &manager->sizes ); - FTC_MruList_Reset( &manager->faces ); - } + if ( !manager ) + return; + + FTC_MruList_Reset( &manager->sizes ); + FTC_MruList_Reset( &manager->faces ); FTC_Manager_FlushN( manager, manager->num_nodes ); } @@ -667,6 +670,10 @@ { FT_UInt nn; + + if ( !manager || !face_id ) + return; + /* this will remove all FTC_SizeNode that correspond to * the face_id as well */ @@ -685,7 +692,9 @@ FTC_Node_Unref( FTC_Node node, FTC_Manager manager ) { - if ( node && (FT_UInt)node->cache_index < manager->num_caches ) + if ( node && + manager && + (FT_UInt)node->cache_index < manager->num_caches ) node->ref_count--; } diff --git a/freetype/src/cache/ftcsbits.c b/freetype/src/cache/ftcsbits.c index 86d1965ad..91a9b4837 100644 --- a/freetype/src/cache/ftcsbits.c +++ b/freetype/src/cache/ftcsbits.c @@ -4,7 +4,7 @@ /* */ /* FreeType sbits manager (body). */ /* */ -/* Copyright 2000-2006, 2009-2011, 2013 by */ +/* Copyright 2000-2006, 2009-2011, 2013, 2014 by */ /* David Turner, Robert Wilhelm, and Werner Lemberg. */ /* */ /* This file is part of the FreeType project, and may only be used, */ @@ -142,12 +142,12 @@ goto BadGlyph; } - /* Check that our values fit into 8-bit containers! */ + /* Check whether our values fit into 8-bit containers! */ /* If this is not the case, our bitmap is too large */ /* and we will leave it as `missing' with sbit.buffer = 0 */ -#define CHECK_CHAR( d ) ( temp = (FT_Char)d, temp == d ) -#define CHECK_BYTE( d ) ( temp = (FT_Byte)d, temp == d ) +#define CHECK_CHAR( d ) ( temp = (FT_Char)d, (FT_Int) temp == (FT_Int) d ) +#define CHECK_BYTE( d ) ( temp = (FT_Byte)d, (FT_UInt)temp == (FT_UInt)d ) /* horizontal advance in pixels */ xadvance = ( slot->advance.x + 32 ) >> 6; diff --git a/freetype/src/cff/cf2font.c b/freetype/src/cff/cf2font.c index 6e99dc2f0..83fd348f2 100644 --- a/freetype/src/cff/cf2font.c +++ b/freetype/src/cff/cf2font.c @@ -36,6 +36,9 @@ /***************************************************************************/ +#include <ft2build.h> +#include FT_INTERNAL_CALC_H + #include "cf2ft.h" #include "cf2glue.h" @@ -105,6 +108,7 @@ /* adjusting for emRatio converts darkenAmount to character */ /* space (font units). */ CF2_Fixed stemWidthPer1000, scaledStem; + FT_Int logBase2; *darkenAmount = 0; @@ -131,26 +135,33 @@ /* convert from true character space to 1000 unit character space; */ /* add synthetic emboldening effect */ - /* we have to assure that the computation of `scaledStem' */ - /* and `stemWidthPer1000' don't overflow */ + /* `stemWidthPer1000' will not overflow for a legitimate font */ stemWidthPer1000 = FT_MulFix( stemWidth + boldenAmount, emRatio ); - if ( emRatio > CF2_FIXED_ONE && - stemWidthPer1000 <= ( stemWidth + boldenAmount ) ) - { - stemWidthPer1000 = 0; /* to pacify compiler */ - scaledStem = cf2_intToFixed( x4 ); - } + /* `scaledStem' can easily overflow, so we must clamp its maximum */ + /* value; the test doesn't need to be precise, but must be */ + /* conservative. The clamp value (default 2333) where */ + /* `darkenAmount' is zero is well below the overflow value of */ + /* 32767. */ + /* */ + /* FT_MSB computes the integer part of the base 2 logarithm. The */ + /* number of bits for the product is 1 or 2 more than the sum of */ + /* logarithms; remembering that the 16 lowest bits of the fraction */ + /* are dropped this is correct to within a factor of almost 4. */ + /* For example, 0x80.0000 * 0x80.0000 = 0x4000.0000 is 23+23 and */ + /* is flagged as possible overflow because 0xFF.FFFF * 0xFF.FFFF = */ + /* 0xFFFF.FE00 is also 23+23. */ + + logBase2 = FT_MSB( (FT_UInt32)stemWidthPer1000 ) + + FT_MSB( (FT_UInt32)ppem ); + + if ( logBase2 >= 46 ) + /* possible overflow */ + scaledStem = cf2_intToFixed( x4 ); else - { scaledStem = FT_MulFix( stemWidthPer1000, ppem ); - if ( ppem > CF2_FIXED_ONE && - scaledStem <= stemWidthPer1000 ) - scaledStem = cf2_intToFixed( x4 ); - } - /* now apply the darkening parameters */ if ( scaledStem < cf2_intToFixed( x1 ) ) diff --git a/freetype/src/cff/cf2ft.c b/freetype/src/cff/cf2ft.c index cb8d31c53..ebba4694c 100644 --- a/freetype/src/cff/cf2ft.c +++ b/freetype/src/cff/cf2ft.c @@ -142,6 +142,8 @@ cf2_builder_lineTo( CF2_OutlineCallbacks callbacks, const CF2_CallbackParams params ) { + FT_Error error; + /* downcast the object pointer */ CF2_Outline outline = (CF2_Outline)callbacks; CFF_Builder* builder; @@ -156,15 +158,27 @@ { /* record the move before the line; also check points and set */ /* `path_begun' */ - cff_builder_start_point( builder, - params->pt0.x, - params->pt0.y ); + error = cff_builder_start_point( builder, + params->pt0.x, + params->pt0.y ); + if ( error ) + { + if ( !*callbacks->error ) + *callbacks->error = error; + return; + } } /* `cff_builder_add_point1' includes a check_points call for one point */ - cff_builder_add_point1( builder, - params->pt1.x, - params->pt1.y ); + error = cff_builder_add_point1( builder, + params->pt1.x, + params->pt1.y ); + if ( error ) + { + if ( !*callbacks->error ) + *callbacks->error = error; + return; + } } @@ -172,6 +186,8 @@ cf2_builder_cubeTo( CF2_OutlineCallbacks callbacks, const CF2_CallbackParams params ) { + FT_Error error; + /* downcast the object pointer */ CF2_Outline outline = (CF2_Outline)callbacks; CFF_Builder* builder; @@ -186,13 +202,25 @@ { /* record the move before the line; also check points and set */ /* `path_begun' */ - cff_builder_start_point( builder, - params->pt0.x, - params->pt0.y ); + error = cff_builder_start_point( builder, + params->pt0.x, + params->pt0.y ); + if ( error ) + { + if ( !*callbacks->error ) + *callbacks->error = error; + return; + } } /* prepare room for 3 points: 2 off-curve, 1 on-curve */ - cff_check_points( builder, 3 ); + error = cff_check_points( builder, 3 ); + if ( error ) + { + if ( !*callbacks->error ) + *callbacks->error = error; + return; + } cff_builder_add_point( builder, params->pt1.x, diff --git a/freetype/src/cff/cf2hints.c b/freetype/src/cff/cf2hints.c index 5853d7758..040d193f3 100644 --- a/freetype/src/cff/cf2hints.c +++ b/freetype/src/cff/cf2hints.c @@ -304,9 +304,6 @@ cf2_hintmap_map( CF2_HintMap hintmap, CF2_Fixed csCoord ) { - FT_ASSERT( hintmap->isValid ); /* must call Build before Map */ - FT_ASSERT( hintmap->lastIndex < CF2_MAX_HINT_EDGES ); - if ( hintmap->count == 0 || ! hintmap->hinted ) { /* there are no hints; use uniform scale and zero offset */ @@ -317,6 +314,7 @@ /* start linear search from last hit */ CF2_UInt i = hintmap->lastIndex; + FT_ASSERT( hintmap->lastIndex < CF2_MAX_HINT_EDGES ); /* search up */ while ( i < hintmap->count - 1 && @@ -794,9 +792,12 @@ maskPtr = cf2_hintmask_getMaskPtr( &tempHintMask ); /* use the hStem hints only, which are first in the mask */ - /* TODO: compare this to cffhintmaskGetBitCount */ bitCount = cf2_arrstack_size( hStemHintArray ); + /* Defense-in-depth. Should never return here. */ + if ( bitCount > hintMask->bitCount ) + return; + /* synthetic embox hints get highest priority */ if ( font->blues.doEmBoxHints ) { @@ -1560,7 +1561,7 @@ { /* -y */ *x = -glyphpath->xOffset; - *y = glyphpath->xOffset; + *y = glyphpath->yOffset; } else { @@ -1691,7 +1692,8 @@ if ( glyphpath->elemIsQueued ) { - FT_ASSERT( cf2_hintmap_isValid( &glyphpath->hintMap ) ); + FT_ASSERT( cf2_hintmap_isValid( &glyphpath->hintMap ) || + glyphpath->hintMap.count == 0 ); cf2_glyphpath_pushPrevElem( glyphpath, &glyphpath->hintMap, @@ -1777,7 +1779,8 @@ if ( glyphpath->elemIsQueued ) { - FT_ASSERT( cf2_hintmap_isValid( &glyphpath->hintMap ) ); + FT_ASSERT( cf2_hintmap_isValid( &glyphpath->hintMap ) || + glyphpath->hintMap.count == 0 ); cf2_glyphpath_pushPrevElem( glyphpath, &glyphpath->hintMap, diff --git a/freetype/src/cff/cf2intrp.c b/freetype/src/cff/cf2intrp.c index 5610917cc..a26960669 100644 --- a/freetype/src/cff/cf2intrp.c +++ b/freetype/src/cff/cf2intrp.c @@ -4,7 +4,7 @@ /* */ /* Adobe's CFF Interpreter (body). */ /* */ -/* Copyright 2007-2013 Adobe Systems Incorporated. */ +/* Copyright 2007-2014 Adobe Systems Incorporated. */ /* */ /* This software, and all works of authorship, whether in source or */ /* object code form as indicated by the copyright notice(s) included */ @@ -593,8 +593,11 @@ /* never add hints after the mask is computed */ if ( cf2_hintmask_isValid( &hintMask ) ) + { FT_TRACE4(( "cf2_interpT2CharString:" " invalid horizontal hint mask\n" )); + break; + } cf2_doStems( font, opStack, @@ -614,8 +617,11 @@ /* never add hints after the mask is computed */ if ( cf2_hintmask_isValid( &hintMask ) ) + { FT_TRACE4(( "cf2_interpT2CharString:" " invalid vertical hint mask\n" )); + break; + } cf2_doStems( font, opStack, @@ -1141,15 +1147,16 @@ /* `cf2_hintmask_read' (which also traces the mask bytes) */ FT_TRACE4(( op1 == cf2_cmdCNTRMASK ? " cntrmask" : " hintmask" )); - /* if there are arguments on the stack, there this is an */ - /* implied cf2_cmdVSTEMHM */ - if ( cf2_stack_count( opStack ) != 0 ) + /* never add hints after the mask is computed */ + if ( cf2_stack_count( opStack ) > 1 && + cf2_hintmask_isValid( &hintMask ) ) { - /* never add hints after the mask is computed */ - if ( cf2_hintmask_isValid( &hintMask ) ) - FT_TRACE4(( "cf2_interpT2CharString: invalid hint mask\n" )); + FT_TRACE4(( "cf2_interpT2CharString: invalid hint mask\n" )); + break; } + /* if there are arguments on the stack, there this is an */ + /* implied cf2_cmdVSTEMHM */ cf2_doStems( font, opStack, &vStemHintArray, diff --git a/freetype/src/cff/cffcmap.c b/freetype/src/cff/cffcmap.c index f6e03c642..52248b2b9 100644 --- a/freetype/src/cff/cffcmap.c +++ b/freetype/src/cff/cffcmap.c @@ -33,12 +33,15 @@ /*************************************************************************/ FT_CALLBACK_DEF( FT_Error ) - cff_cmap_encoding_init( CFF_CMapStd cmap ) + cff_cmap_encoding_init( CFF_CMapStd cmap, + FT_Pointer pointer ) { TT_Face face = (TT_Face)FT_CMAP_FACE( cmap ); CFF_Font cff = (CFF_Font)face->extra.data; CFF_Encoding encoding = &cff->encoding; + FT_UNUSED( pointer ); + cmap->gids = encoding->codes; @@ -135,7 +138,8 @@ FT_CALLBACK_DEF( FT_Error ) - cff_cmap_unicode_init( PS_Unicodes unicodes ) + cff_cmap_unicode_init( PS_Unicodes unicodes, + FT_Pointer pointer ) { TT_Face face = (TT_Face)FT_CMAP_FACE( unicodes ); FT_Memory memory = FT_FACE_MEMORY( face ); @@ -143,6 +147,8 @@ CFF_Charset charset = &cff->charset; FT_Service_PsCMaps psnames = (FT_Service_PsCMaps)cff->psnames; + FT_UNUSED( pointer ); + /* can't build Unicode map for CID-keyed font */ /* because we don't know glyph names. */ diff --git a/freetype/src/cff/cffdrivr.c b/freetype/src/cff/cffdrivr.c index 7f37e491b..8681d95ab 100644 --- a/freetype/src/cff/cffdrivr.c +++ b/freetype/src/cff/cffdrivr.c @@ -4,7 +4,7 @@ /* */ /* OpenType font driver implementation (body). */ /* */ -/* Copyright 1996-2013 by */ +/* Copyright 1996-2014 by */ /* David Turner, Robert Wilhelm, and Werner Lemberg. */ /* */ /* This file is part of the FreeType project, and may only be used, */ @@ -753,7 +753,7 @@ FT_Module_Interface result; - /* CFF_SERVICES_GET derefers `library' in PIC mode */ + /* CFF_SERVICES_GET dereferences `library' in PIC mode */ #ifdef FT_CONFIG_OPTION_PIC if ( !driver ) return NULL; diff --git a/freetype/src/cff/cffgload.c b/freetype/src/cff/cffgload.c index 620d09486..2426e889c 100644 --- a/freetype/src/cff/cffgload.c +++ b/freetype/src/cff/cffgload.c @@ -4,7 +4,7 @@ /* */ /* OpenType Glyph Loader (body). */ /* */ -/* Copyright 1996-2013 by */ +/* Copyright 1996-2014 by */ /* David Turner, Robert Wilhelm, and Werner Lemberg. */ /* */ /* This file is part of the FreeType project, and may only be used, */ @@ -703,7 +703,7 @@ /* callback function. */ if ( face->root.internal->incremental_interface ) { - FT_Data data; + FT_Data data; data.pointer = *pointer; @@ -1989,9 +1989,6 @@ } else { - if ( !error ) - error = FT_Err_Ok; - cff_builder_close_contour( builder ); /* close hints recording session */ @@ -2002,10 +1999,12 @@ goto Syntax_Error; /* apply hints to the loaded glyph outline now */ - hinter->apply( hinter->hints, - builder->current, - (PSH_Globals)builder->hints_globals, - decoder->hint_mode ); + error = hinter->apply( hinter->hints, + builder->current, + (PSH_Globals)builder->hints_globals, + decoder->hint_mode ); + if ( error ) + goto Fail; } /* add current outline to the glyph slot */ @@ -2711,10 +2710,10 @@ /* compute linear advance widths */ - ( (SFNT_Service)face->sfnt )->get_metrics( face, 0, - glyph_index, - &dummy, - &advance ); + (void)( (SFNT_Service)face->sfnt )->get_metrics( face, 0, + glyph_index, + &dummy, + &advance ); glyph->root.linearHoriAdvance = advance; has_vertical_info = FT_BOOL( @@ -2724,10 +2723,10 @@ /* get the vertical metrics from the vtmx table if we have one */ if ( has_vertical_info ) { - ( (SFNT_Service)face->sfnt )->get_metrics( face, 1, - glyph_index, - &dummy, - &advance ); + (void)( (SFNT_Service)face->sfnt )->get_metrics( face, 1, + glyph_index, + &dummy, + &advance ); glyph->root.linearVertAdvance = advance; } else @@ -2964,10 +2963,10 @@ FT_UShort vertAdvance = 0; - ( (SFNT_Service)face->sfnt )->get_metrics( face, 1, - glyph_index, - &vertBearingY, - &vertAdvance ); + (void)( (SFNT_Service)face->sfnt )->get_metrics( face, 1, + glyph_index, + &vertBearingY, + &vertAdvance ); metrics->vertBearingY = vertBearingY; metrics->vertAdvance = vertAdvance; } diff --git a/freetype/src/cff/cffobjs.c b/freetype/src/cff/cffobjs.c index 4c5141f5a..383fc5ace 100644 --- a/freetype/src/cff/cffobjs.c +++ b/freetype/src/cff/cffobjs.c @@ -4,7 +4,7 @@ /* */ /* OpenType objects manager (body). */ /* */ -/* Copyright 1996-2013 by */ +/* Copyright 1996-2014 by */ /* David Turner, Robert Wilhelm, and Werner Lemberg. */ /* */ /* This file is part of the FreeType project, and may only be used, */ @@ -942,16 +942,6 @@ if ( pure_cff && cff->top_font.font_dict.cid_registry != 0xFFFFU ) goto Exit; -#ifdef FT_MAX_CHARMAP_CACHEABLE - if ( nn + 1 > FT_MAX_CHARMAP_CACHEABLE ) - { - FT_ERROR(( "cff_face_init: no Unicode cmap is found, " - "and too many subtables (%d) to add synthesized cmap\n", - nn )); - goto Exit; - } -#endif - /* we didn't find a Unicode charmap -- synthesize one */ cmaprec.face = cffface; cmaprec.platform_id = TT_PLATFORM_MICROSOFT; @@ -972,15 +962,6 @@ cffface->charmap = cffface->charmaps[nn]; Skip_Unicode: -#ifdef FT_MAX_CHARMAP_CACHEABLE - if ( nn > FT_MAX_CHARMAP_CACHEABLE ) - { - FT_ERROR(( "cff_face_init: Unicode cmap is found, " - "but too many preceding subtables (%d) to access\n", - nn - 1 )); - goto Exit; - } -#endif if ( encoding->count > 0 ) { FT_CMap_Class clazz; @@ -1054,22 +1035,23 @@ CFF_Driver driver = (CFF_Driver)module; - /* set default property values, cf `ftcffdrv.h' */ + /* set default property values, cf. `ftcffdrv.h' */ #ifdef CFF_CONFIG_OPTION_OLD_ENGINE - driver->hinting_engine = FT_CFF_HINTING_FREETYPE; + driver->hinting_engine = FT_CFF_HINTING_FREETYPE; #else - driver->hinting_engine = FT_CFF_HINTING_ADOBE; + driver->hinting_engine = FT_CFF_HINTING_ADOBE; #endif + driver->no_stem_darkening = FALSE; - driver->darken_params[0] = 500; - driver->darken_params[1] = 400; - driver->darken_params[2] = 1000; - driver->darken_params[3] = 275; - driver->darken_params[4] = 1667; - driver->darken_params[5] = 275; - driver->darken_params[6] = 2333; - driver->darken_params[7] = 0; + driver->darken_params[0] = CFF_CONFIG_OPTION_DARKENING_PARAMETER_X1; + driver->darken_params[1] = CFF_CONFIG_OPTION_DARKENING_PARAMETER_Y1; + driver->darken_params[2] = CFF_CONFIG_OPTION_DARKENING_PARAMETER_X2; + driver->darken_params[3] = CFF_CONFIG_OPTION_DARKENING_PARAMETER_Y2; + driver->darken_params[4] = CFF_CONFIG_OPTION_DARKENING_PARAMETER_X3; + driver->darken_params[5] = CFF_CONFIG_OPTION_DARKENING_PARAMETER_Y3; + driver->darken_params[6] = CFF_CONFIG_OPTION_DARKENING_PARAMETER_X4; + driver->darken_params[7] = CFF_CONFIG_OPTION_DARKENING_PARAMETER_Y4; return FT_Err_Ok; } diff --git a/freetype/src/cff/cffparse.c b/freetype/src/cff/cffparse.c index 1f9768373..82435a5ca 100644 --- a/freetype/src/cff/cffparse.c +++ b/freetype/src/cff/cffparse.c @@ -188,7 +188,7 @@ } /* Read fraction part, if any. */ - if ( nib == 0xa ) + if ( nib == 0xA ) for (;;) { /* If we entered this iteration with phase == 4, we need */ diff --git a/freetype/src/gxvalid/gxvbsln.c b/freetype/src/gxvalid/gxvbsln.c index 3d1003156..d16511876 100644 --- a/freetype/src/gxvalid/gxvbsln.c +++ b/freetype/src/gxvalid/gxvbsln.c @@ -72,10 +72,10 @@ static void gxv_bsln_LookupValue_validate( FT_UShort glyph, GXV_LookupValueCPtr value_p, - GXV_Validator valid ) + GXV_Validator gxvalid ) { - FT_UShort v = value_p->u; - FT_UShort* ctlPoints; + FT_UShort v = value_p->u; + FT_UShort* ctlPoints; FT_UNUSED( glyph ); @@ -124,7 +124,7 @@ gxv_bsln_LookupFmt4_transit( FT_UShort relative_gindex, GXV_LookupValueCPtr base_value_p, FT_Bytes lookuptbl_limit, - GXV_Validator valid ) + GXV_Validator gxvalid ) { FT_Bytes p; FT_Bytes limit; @@ -135,7 +135,7 @@ offset = (FT_UShort)( base_value_p->u + ( relative_gindex * sizeof ( FT_UShort ) ) ); - p = valid->lookuptbl_head + offset; + p = gxvalid->lookuptbl_head + offset; limit = lookuptbl_limit; GXV_LIMIT_CHECK( 2 ); @@ -148,7 +148,7 @@ static void gxv_bsln_parts_fmt0_validate( FT_Bytes tables, FT_Bytes limit, - GXV_Validator valid ) + GXV_Validator gxvalid ) { FT_Bytes p = tables; @@ -158,7 +158,7 @@ /* deltas */ GXV_LIMIT_CHECK( 2 * GXV_BSLN_VALUE_COUNT ); - valid->table_data = NULL; /* No ctlPoints here. */ + gxvalid->table_data = NULL; /* No ctlPoints here. */ GXV_EXIT; } @@ -167,7 +167,7 @@ static void gxv_bsln_parts_fmt1_validate( FT_Bytes tables, FT_Bytes limit, - GXV_Validator valid ) + GXV_Validator gxvalid ) { FT_Bytes p = tables; @@ -175,15 +175,15 @@ GXV_NAME_ENTER( "parts format 1" ); /* deltas */ - gxv_bsln_parts_fmt0_validate( p, limit, valid ); + gxv_bsln_parts_fmt0_validate( p, limit, gxvalid ); /* mappingData */ - valid->lookupval_sign = GXV_LOOKUPVALUE_UNSIGNED; - valid->lookupval_func = gxv_bsln_LookupValue_validate; - valid->lookupfmt4_trans = gxv_bsln_LookupFmt4_transit; + gxvalid->lookupval_sign = GXV_LOOKUPVALUE_UNSIGNED; + gxvalid->lookupval_func = gxv_bsln_LookupValue_validate; + gxvalid->lookupfmt4_trans = gxv_bsln_LookupFmt4_transit; gxv_LookupTable_validate( p + 2 * GXV_BSLN_VALUE_COUNT, limit, - valid ); + gxvalid ); GXV_EXIT; } @@ -192,7 +192,7 @@ static void gxv_bsln_parts_fmt2_validate( FT_Bytes tables, FT_Bytes limit, - GXV_Validator valid ) + GXV_Validator gxvalid ) { FT_Bytes p = tables; @@ -211,7 +211,7 @@ stdGlyph = FT_NEXT_USHORT( p ); GXV_TRACE(( " (stdGlyph = %u)\n", stdGlyph )); - gxv_glyphid_validate( stdGlyph, valid ); + gxv_glyphid_validate( stdGlyph, gxvalid ); /* Record the position of ctlPoints */ GXV_BSLN_DATA( ctlPoints_p ) = p; @@ -226,7 +226,7 @@ FT_INVALID_DATA; } else - gxv_ctlPoint_validate( stdGlyph, (FT_Short)ctlPoint, valid ); + gxv_ctlPoint_validate( stdGlyph, (FT_Short)ctlPoint, gxvalid ); } GXV_EXIT; @@ -236,7 +236,7 @@ static void gxv_bsln_parts_fmt3_validate( FT_Bytes tables, FT_Bytes limit, - GXV_Validator valid) + GXV_Validator gxvalid) { FT_Bytes p = tables; @@ -244,15 +244,15 @@ GXV_NAME_ENTER( "parts format 3" ); /* stdGlyph + ctlPoints */ - gxv_bsln_parts_fmt2_validate( p, limit, valid ); + gxv_bsln_parts_fmt2_validate( p, limit, gxvalid ); /* mappingData */ - valid->lookupval_sign = GXV_LOOKUPVALUE_UNSIGNED; - valid->lookupval_func = gxv_bsln_LookupValue_validate; - valid->lookupfmt4_trans = gxv_bsln_LookupFmt4_transit; + gxvalid->lookupval_sign = GXV_LOOKUPVALUE_UNSIGNED; + gxvalid->lookupval_func = gxv_bsln_LookupValue_validate; + gxvalid->lookupfmt4_trans = gxv_bsln_LookupFmt4_transit; gxv_LookupTable_validate( p + ( 2 + 2 * GXV_BSLN_VALUE_COUNT ), limit, - valid ); + gxvalid ); GXV_EXIT; } @@ -271,8 +271,8 @@ FT_Face face, FT_Validator ftvalid ) { - GXV_ValidatorRec validrec; - GXV_Validator valid = &validrec; + GXV_ValidatorRec gxvalidrec; + GXV_Validator gxvalid = &gxvalidrec; GXV_bsln_DataRec bslnrec; GXV_bsln_Data bsln = &bslnrec; @@ -293,9 +293,9 @@ }; - valid->root = ftvalid; - valid->table_data = bsln; - valid->face = face; + gxvalid->root = ftvalid; + gxvalid->table_data = bsln; + gxvalid->face = face; FT_TRACE3(( "validating `bsln' table\n" )); GXV_INIT; @@ -320,7 +320,7 @@ bsln->defaultBaseline = defaultBaseline; - fmt_funcs_table[format]( p, limit, valid ); + fmt_funcs_table[format]( p, limit, gxvalid ); FT_TRACE4(( "\n" )); } diff --git a/freetype/src/gxvalid/gxvcommn.c b/freetype/src/gxvalid/gxvcommn.c index 7af52342b..8e72a72f4 100644 --- a/freetype/src/gxvalid/gxvcommn.c +++ b/freetype/src/gxvalid/gxvcommn.c @@ -65,7 +65,7 @@ FT_UShort* buff, FT_UInt nmemb, FT_UShort limit, - GXV_Validator valid ) + GXV_Validator gxvalid ) { FT_UInt i; @@ -130,7 +130,7 @@ FT_ULong* buff, FT_UInt nmemb, FT_ULong limit, - GXV_Validator valid) + GXV_Validator gxvalid) { FT_UInt i; @@ -182,7 +182,7 @@ FT_Bytes limit, FT_Byte* min, FT_Byte* max, - GXV_Validator valid ) + GXV_Validator gxvalid ) { FT_Bytes p = table; @@ -202,7 +202,7 @@ *max = (FT_Byte)FT_MAX( *max, val ); } - valid->subtable_length = p - table; + gxvalid->subtable_length = p - table; } @@ -211,7 +211,7 @@ FT_Bytes limit, FT_UShort* min, FT_UShort* max, - GXV_Validator valid ) + GXV_Validator gxvalid ) { FT_Bytes p = table; @@ -231,7 +231,7 @@ *max = (FT_Byte)FT_MAX( *max, val ); } - valid->subtable_length = p - table; + gxvalid->subtable_length = p - table; } @@ -256,7 +256,7 @@ static void gxv_BinSrchHeader_check_consistency( GXV_BinSrchHeader* binSrchHeader, - GXV_Validator valid ) + GXV_Validator gxvalid ) { FT_UShort searchRange; FT_UShort entrySelector; @@ -329,7 +329,7 @@ FT_Bytes limit, FT_UShort* unitSize_p, FT_UShort* nUnits_p, - GXV_Validator valid ) + GXV_Validator gxvalid ) { FT_Bytes p = table; GXV_BinSrchHeader binSrchHeader; @@ -359,7 +359,7 @@ binSrchHeader.rangeShift = FT_NEXT_USHORT( p ); GXV_TRACE(( "nUnits %d\n", binSrchHeader.nUnits )); - gxv_BinSrchHeader_check_consistency( &binSrchHeader, valid ); + gxv_BinSrchHeader_check_consistency( &binSrchHeader, gxvalid ); if ( *unitSize_p == 0 ) *unitSize_p = binSrchHeader.unitSize; @@ -367,7 +367,7 @@ if ( *nUnits_p == 0 ) *nUnits_p = binSrchHeader.nUnits; - valid->subtable_length = p - table; + gxvalid->subtable_length = p - table; GXV_EXIT; } @@ -422,7 +422,7 @@ static void gxv_LookupTable_fmt0_validate( FT_Bytes table, FT_Bytes limit, - GXV_Validator valid ) + GXV_Validator gxvalid ) { FT_Bytes p = table; FT_UShort i; @@ -432,24 +432,24 @@ GXV_NAME_ENTER( "LookupTable format 0" ); - GXV_LIMIT_CHECK( 2 * valid->face->num_glyphs ); + GXV_LIMIT_CHECK( 2 * gxvalid->face->num_glyphs ); - for ( i = 0; i < valid->face->num_glyphs; i++ ) + for ( i = 0; i < gxvalid->face->num_glyphs; i++ ) { GXV_LIMIT_CHECK( 2 ); if ( p + 2 >= limit ) /* some fonts have too-short fmt0 array */ { GXV_TRACE(( "too short, glyphs %d - %d are missing\n", - i, valid->face->num_glyphs )); + i, gxvalid->face->num_glyphs )); GXV_SET_ERR_IF_PARANOID( FT_INVALID_GLYPH_ID ); break; } - value = GXV_LOOKUP_VALUE_LOAD( p, valid->lookupval_sign ); - valid->lookupval_func( i, &value, valid ); + value = GXV_LOOKUP_VALUE_LOAD( p, gxvalid->lookupval_sign ); + gxvalid->lookupval_func( i, &value, gxvalid ); } - valid->subtable_length = p - table; + gxvalid->subtable_length = p - table; GXV_EXIT; } @@ -473,12 +473,12 @@ static void gxv_LookupTable_fmt2_skip_endmarkers( FT_Bytes table, FT_UShort unitSize, - GXV_Validator valid ) + GXV_Validator gxvalid ) { FT_Bytes p = table; - while ( ( p + 4 ) < valid->root->limit ) + while ( ( p + 4 ) < gxvalid->root->limit ) { if ( p[0] != 0xFF || p[1] != 0xFF || /* lastGlyph */ p[2] != 0xFF || p[3] != 0xFF ) /* firstGlyph */ @@ -486,14 +486,14 @@ p += unitSize; } - valid->subtable_length = p - table; + gxvalid->subtable_length = p - table; } static void gxv_LookupTable_fmt2_validate( FT_Bytes table, FT_Bytes limit, - GXV_Validator valid ) + GXV_Validator gxvalid ) { FT_Bytes p = table; FT_UShort gid; @@ -509,8 +509,8 @@ GXV_NAME_ENTER( "LookupTable format 2" ); unitSize = nUnits = 0; - gxv_BinSrchHeader_validate( p, limit, &unitSize, &nUnits, valid ); - p += valid->subtable_length; + gxv_BinSrchHeader_validate( p, limit, &unitSize, &nUnits, gxvalid ); + p += gxvalid->subtable_length; GXV_UNITSIZE_VALIDATE( "format2", unitSize, nUnits, 6 ); @@ -519,10 +519,10 @@ GXV_LIMIT_CHECK( 2 + 2 + 2 ); lastGlyph = FT_NEXT_USHORT( p ); firstGlyph = FT_NEXT_USHORT( p ); - value = GXV_LOOKUP_VALUE_LOAD( p, valid->lookupval_sign ); + value = GXV_LOOKUP_VALUE_LOAD( p, gxvalid->lookupval_sign ); - gxv_glyphid_validate( firstGlyph, valid ); - gxv_glyphid_validate( lastGlyph, valid ); + gxv_glyphid_validate( firstGlyph, gxvalid ); + gxv_glyphid_validate( lastGlyph, gxvalid ); if ( lastGlyph < gid ) { @@ -539,7 +539,7 @@ unit, lastGlyph, firstGlyph )); GXV_SET_ERR_IF_PARANOID( FT_INVALID_GLYPH_ID ); - if ( valid->root->level == FT_VALIDATE_TIGHT ) + if ( gxvalid->root->level == FT_VALIDATE_TIGHT ) continue; /* ftxvalidator silently skips such an entry */ FT_TRACE4(( "continuing with exchanged values\n" )); @@ -549,13 +549,13 @@ } for ( gid = firstGlyph; gid <= lastGlyph; gid++ ) - valid->lookupval_func( gid, &value, valid ); + gxvalid->lookupval_func( gid, &value, gxvalid ); } - gxv_LookupTable_fmt2_skip_endmarkers( p, unitSize, valid ); - p += valid->subtable_length; + gxv_LookupTable_fmt2_skip_endmarkers( p, unitSize, gxvalid ); + p += gxvalid->subtable_length; - valid->subtable_length = p - table; + gxvalid->subtable_length = p - table; GXV_EXIT; } @@ -564,7 +564,7 @@ static void gxv_LookupTable_fmt4_validate( FT_Bytes table, FT_Bytes limit, - GXV_Validator valid ) + GXV_Validator gxvalid ) { FT_Bytes p = table; FT_UShort unit; @@ -581,8 +581,8 @@ GXV_NAME_ENTER( "LookupTable format 4" ); unitSize = nUnits = 0; - gxv_BinSrchHeader_validate( p, limit, &unitSize, &nUnits, valid ); - p += valid->subtable_length; + gxv_BinSrchHeader_validate( p, limit, &unitSize, &nUnits, gxvalid ); + p += gxvalid->subtable_length; GXV_UNITSIZE_VALIDATE( "format4", unitSize, nUnits, 6 ); @@ -592,8 +592,8 @@ lastGlyph = FT_NEXT_USHORT( p ); firstGlyph = FT_NEXT_USHORT( p ); - gxv_glyphid_validate( firstGlyph, valid ); - gxv_glyphid_validate( lastGlyph, valid ); + gxv_glyphid_validate( firstGlyph, gxvalid ); + gxv_glyphid_validate( lastGlyph, gxvalid ); if ( lastGlyph < gid ) { @@ -610,7 +610,7 @@ unit, lastGlyph, firstGlyph )); GXV_SET_ERR_IF_PARANOID( FT_INVALID_GLYPH_ID ); - if ( valid->root->level == FT_VALIDATE_TIGHT ) + if ( gxvalid->root->level == FT_VALIDATE_TIGHT ) continue; /* ftxvalidator silently skips such an entry */ FT_TRACE4(( "continuing with exchanged values\n" )); @@ -624,19 +624,19 @@ for ( gid = firstGlyph; gid <= lastGlyph; gid++ ) { - value = valid->lookupfmt4_trans( (FT_UShort)( gid - firstGlyph ), + value = gxvalid->lookupfmt4_trans( (FT_UShort)( gid - firstGlyph ), &base_value, limit, - valid ); + gxvalid ); - valid->lookupval_func( gid, &value, valid ); + gxvalid->lookupval_func( gid, &value, gxvalid ); } } - gxv_LookupTable_fmt2_skip_endmarkers( p, unitSize, valid ); - p += valid->subtable_length; + gxv_LookupTable_fmt2_skip_endmarkers( p, unitSize, gxvalid ); + p += gxvalid->subtable_length; - valid->subtable_length = p - table; + gxvalid->subtable_length = p - table; GXV_EXIT; } @@ -645,26 +645,26 @@ static void gxv_LookupTable_fmt6_skip_endmarkers( FT_Bytes table, FT_UShort unitSize, - GXV_Validator valid ) + GXV_Validator gxvalid ) { FT_Bytes p = table; - while ( p < valid->root->limit ) + while ( p < gxvalid->root->limit ) { if ( p[0] != 0xFF || p[1] != 0xFF ) break; p += unitSize; } - valid->subtable_length = p - table; + gxvalid->subtable_length = p - table; } static void gxv_LookupTable_fmt6_validate( FT_Bytes table, FT_Bytes limit, - GXV_Validator valid ) + GXV_Validator gxvalid ) { FT_Bytes p = table; FT_UShort unit; @@ -679,8 +679,8 @@ GXV_NAME_ENTER( "LookupTable format 6" ); unitSize = nUnits = 0; - gxv_BinSrchHeader_validate( p, limit, &unitSize, &nUnits, valid ); - p += valid->subtable_length; + gxv_BinSrchHeader_validate( p, limit, &unitSize, &nUnits, gxvalid ); + p += gxvalid->subtable_length; GXV_UNITSIZE_VALIDATE( "format6", unitSize, nUnits, 4 ); @@ -688,9 +688,9 @@ { GXV_LIMIT_CHECK( 2 + 2 ); glyph = FT_NEXT_USHORT( p ); - value = GXV_LOOKUP_VALUE_LOAD( p, valid->lookupval_sign ); + value = GXV_LOOKUP_VALUE_LOAD( p, gxvalid->lookupval_sign ); - if ( gxv_glyphid_validate( glyph, valid ) ) + if ( gxv_glyphid_validate( glyph, gxvalid ) ) GXV_TRACE(( " endmarker found within defined range" " (entry %d < nUnits=%d)\n", unit, nUnits )); @@ -703,13 +703,13 @@ } prev_glyph = glyph; - valid->lookupval_func( glyph, &value, valid ); + gxvalid->lookupval_func( glyph, &value, gxvalid ); } - gxv_LookupTable_fmt6_skip_endmarkers( p, unitSize, valid ); - p += valid->subtable_length; + gxv_LookupTable_fmt6_skip_endmarkers( p, unitSize, gxvalid ); + p += gxvalid->subtable_length; - valid->subtable_length = p - table; + gxvalid->subtable_length = p - table; GXV_EXIT; } @@ -718,7 +718,7 @@ static void gxv_LookupTable_fmt8_validate( FT_Bytes table, FT_Bytes limit, - GXV_Validator valid ) + GXV_Validator gxvalid ) { FT_Bytes p = table; FT_UShort i; @@ -735,18 +735,18 @@ firstGlyph = FT_NEXT_USHORT( p ); glyphCount = FT_NEXT_USHORT( p ); - gxv_glyphid_validate( firstGlyph, valid ); - gxv_glyphid_validate( (FT_UShort)( firstGlyph + glyphCount ), valid ); + gxv_glyphid_validate( firstGlyph, gxvalid ); + gxv_glyphid_validate( (FT_UShort)( firstGlyph + glyphCount ), gxvalid ); /* valueArray */ for ( i = 0; i < glyphCount; i++ ) { GXV_LIMIT_CHECK( 2 ); - value = GXV_LOOKUP_VALUE_LOAD( p, valid->lookupval_sign ); - valid->lookupval_func( (FT_UShort)( firstGlyph + i ), &value, valid ); + value = GXV_LOOKUP_VALUE_LOAD( p, gxvalid->lookupval_sign ); + gxvalid->lookupval_func( (FT_UShort)( firstGlyph + i ), &value, gxvalid ); } - valid->subtable_length = p - table; + gxvalid->subtable_length = p - table; GXV_EXIT; } @@ -754,7 +754,7 @@ FT_LOCAL_DEF( void ) gxv_LookupTable_validate( FT_Bytes table, FT_Bytes limit, - GXV_Validator valid ) + GXV_Validator gxvalid ) { FT_Bytes p = table; FT_UShort format; @@ -778,7 +778,7 @@ GXV_NAME_ENTER( "LookupTable" ); /* lookuptbl_head may be used in fmt4 transit function. */ - valid->lookuptbl_head = table; + gxvalid->lookuptbl_head = table; /* format */ GXV_LIMIT_CHECK( 2 ); @@ -792,10 +792,10 @@ if ( func == NULL ) FT_INVALID_FORMAT; - func( p, limit, valid ); - p += valid->subtable_length; + func( p, limit, gxvalid ); + p += gxvalid->subtable_length; - valid->subtable_length = p - table; + gxvalid->subtable_length = p - table; GXV_EXIT; } @@ -811,7 +811,7 @@ FT_LOCAL_DEF( FT_Int ) gxv_glyphid_validate( FT_UShort gid, - GXV_Validator valid ) + GXV_Validator gxvalid ) { FT_Face face; @@ -822,7 +822,7 @@ return 1; } - face = valid->face; + face = gxvalid->face; if ( face->num_glyphs < gid ) { GXV_TRACE(( " gxv_glyphid_check() gid overflow: num_glyphs %d < %d\n", @@ -845,7 +845,7 @@ FT_LOCAL_DEF( void ) gxv_ctlPoint_validate( FT_UShort gid, FT_Short ctl_point, - GXV_Validator valid ) + GXV_Validator gxvalid ) { FT_Face face; FT_Error error; @@ -855,7 +855,7 @@ short n_points; - face = valid->face; + face = gxvalid->face; error = FT_Load_Glyph( face, gid, @@ -885,7 +885,7 @@ gxv_sfntName_validate( FT_UShort name_index, FT_UShort min_index, FT_UShort max_index, - GXV_Validator valid ) + GXV_Validator gxvalid ) { FT_SfntName name; FT_UInt i; @@ -897,10 +897,10 @@ if ( name_index < min_index || max_index < name_index ) FT_INVALID_FORMAT; - nnames = FT_Get_Sfnt_Name_Count( valid->face ); + nnames = FT_Get_Sfnt_Name_Count( gxvalid->face ); for ( i = 0; i < nnames; i++ ) { - if ( FT_Get_Sfnt_Name( valid->face, i, &name ) != FT_Err_Ok ) + if ( FT_Get_Sfnt_Name( gxvalid->face, i, &name ) != FT_Err_Ok ) continue ; if ( name.name_id == name_index ) @@ -944,7 +944,7 @@ FT_UShort* length_p, FT_UShort stateSize, FT_Byte* maxClassID_p, - GXV_Validator valid ) + GXV_Validator gxvalid ) { FT_Bytes p = table; FT_Bytes limit = table + *length_p; @@ -965,7 +965,7 @@ if ( !nGlyphs ) goto Out; - gxv_glyphid_validate( (FT_UShort)( firstGlyph + nGlyphs ), valid ); + gxv_glyphid_validate( (FT_UShort)( firstGlyph + nGlyphs ), gxvalid ); { FT_Byte nGlyphInClass[256]; @@ -1022,9 +1022,9 @@ FT_UShort stateSize, FT_Byte* maxState_p, FT_Byte* maxEntry_p, - GXV_Validator valid ) + GXV_Validator gxvalid ) { - FT_Bytes p = table; + FT_Bytes p = table; FT_Bytes limit = table + *length_p; FT_Byte clazz; FT_Byte entry; @@ -1076,7 +1076,7 @@ FT_Byte maxClassID, FT_Bytes statetable_table, FT_Bytes statetable_limit, - GXV_Validator valid ) + GXV_Validator gxvalid ) { FT_Bytes p = table; FT_Bytes limit = table + *length_p; @@ -1166,13 +1166,13 @@ goto Exit; } - if ( NULL != valid->statetable.entry_validate_func ) - valid->statetable.entry_validate_func( state, - flags, - &glyphOffset, - statetable_table, - statetable_limit, - valid ); + if ( NULL != gxvalid->statetable.entry_validate_func ) + gxvalid->statetable.entry_validate_func( state, + flags, + &glyphOffset, + statetable_table, + statetable_limit, + gxvalid ); } Exit: @@ -1192,7 +1192,7 @@ FT_UShort* classTable_length_p, FT_UShort* stateArray_length_p, FT_UShort* entryTable_length_p, - GXV_Validator valid ) + GXV_Validator gxvalid ) { FT_UShort o[3]; FT_UShort* l[3]; @@ -1206,14 +1206,14 @@ l[1] = stateArray_length_p; l[2] = entryTable_length_p; - gxv_set_length_by_ushort_offset( o, l, buff, 3, table_size, valid ); + gxv_set_length_by_ushort_offset( o, l, buff, 3, table_size, gxvalid ); } FT_LOCAL_DEF( void ) gxv_StateTable_validate( FT_Bytes table, FT_Bytes limit, - GXV_Validator valid ) + GXV_Validator gxvalid ) { FT_UShort stateSize; FT_UShort classTable; /* offset to Class(Sub)Table */ @@ -1250,11 +1250,11 @@ if ( stateSize > 0xFF ) FT_INVALID_DATA; - if ( valid->statetable.optdata_load_func != NULL ) - valid->statetable.optdata_load_func( p, limit, valid ); + if ( gxvalid->statetable.optdata_load_func != NULL ) + gxvalid->statetable.optdata_load_func( p, limit, gxvalid ); - if ( valid->statetable.subtable_setup_func != NULL) - setup_func = valid->statetable.subtable_setup_func; + if ( gxvalid->statetable.subtable_setup_func != NULL) + setup_func = gxvalid->statetable.subtable_setup_func; else setup_func = gxv_StateTable_subtable_setup; @@ -1265,7 +1265,7 @@ &classTable_length, &stateArray_length, &entryTable_length, - valid ); + gxvalid ); GXV_TRACE(( "StateTable Subtables\n" )); @@ -1274,7 +1274,7 @@ &classTable_length, stateSize, &maxClassID, - valid ); + gxvalid ); else maxClassID = (FT_Byte)( stateSize - 1 ); @@ -1285,7 +1285,7 @@ stateSize, &maxState, &maxEntry, - valid ); + gxvalid ); else { #if 0 @@ -1306,7 +1306,7 @@ maxClassID, table, limit, - valid ); + gxvalid ); GXV_EXIT; } @@ -1322,7 +1322,7 @@ FT_ULong* classTable_length_p, FT_ULong* stateArray_length_p, FT_ULong* entryTable_length_p, - GXV_Validator valid ) + GXV_Validator gxvalid ) { FT_ULong o[3]; FT_ULong* l[3]; @@ -1336,21 +1336,21 @@ l[1] = stateArray_length_p; l[2] = entryTable_length_p; - gxv_set_length_by_ulong_offset( o, l, buff, 3, table_size, valid ); + gxv_set_length_by_ulong_offset( o, l, buff, 3, table_size, gxvalid ); } static void gxv_XClassTable_lookupval_validate( FT_UShort glyph, GXV_LookupValueCPtr value_p, - GXV_Validator valid ) + GXV_Validator gxvalid ) { FT_UNUSED( glyph ); - if ( value_p->u >= valid->xstatetable.nClasses ) + if ( value_p->u >= gxvalid->xstatetable.nClasses ) FT_INVALID_DATA; - if ( value_p->u > valid->xstatetable.maxClassID ) - valid->xstatetable.maxClassID = value_p->u; + if ( value_p->u > gxvalid->xstatetable.maxClassID ) + gxvalid->xstatetable.maxClassID = value_p->u; } @@ -1384,7 +1384,7 @@ gxv_XClassTable_lookupfmt4_transit( FT_UShort relative_gindex, GXV_LookupValueCPtr base_value_p, FT_Bytes lookuptbl_limit, - GXV_Validator valid ) + GXV_Validator gxvalid ) { FT_Bytes p; FT_Bytes limit; @@ -1395,7 +1395,7 @@ offset = (FT_UShort)( base_value_p->u + relative_gindex * sizeof ( FT_UShort ) ); - p = valid->lookuptbl_head + offset; + p = gxvalid->lookuptbl_head + offset; limit = lookuptbl_limit; GXV_LIMIT_CHECK ( 2 ); @@ -1412,7 +1412,7 @@ FT_ULong stateSize, FT_UShort* maxState_p, FT_UShort* maxEntry_p, - GXV_Validator valid ) + GXV_Validator gxvalid ) { FT_Bytes p = table; FT_Bytes limit = table + *length_p; @@ -1463,7 +1463,7 @@ FT_UShort maxClassID, FT_Bytes xstatetable_table, FT_Bytes xstatetable_limit, - GXV_Validator valid ) + GXV_Validator gxvalid ) { FT_Bytes p = table; FT_Bytes limit = table + *length_p; @@ -1540,13 +1540,13 @@ goto Exit; } - if ( NULL != valid->xstatetable.entry_validate_func ) - valid->xstatetable.entry_validate_func( state, - flags, - &glyphOffset, - xstatetable_table, - xstatetable_limit, - valid ); + if ( NULL != gxvalid->xstatetable.entry_validate_func ) + gxvalid->xstatetable.entry_validate_func( state, + flags, + &glyphOffset, + xstatetable_table, + xstatetable_limit, + gxvalid ); } Exit: @@ -1559,7 +1559,7 @@ FT_LOCAL_DEF( void ) gxv_XStateTable_validate( FT_Bytes table, FT_Bytes limit, - GXV_Validator valid ) + GXV_Validator gxvalid ) { /* StateHeader members */ FT_ULong classTable; /* offset to Class(Sub)Table */ @@ -1582,26 +1582,26 @@ GXV_TRACE(( "XStateTable header\n" )); GXV_LIMIT_CHECK( 4 + 4 + 4 + 4 ); - valid->xstatetable.nClasses = FT_NEXT_ULONG( p ); + gxvalid->xstatetable.nClasses = FT_NEXT_ULONG( p ); classTable = FT_NEXT_ULONG( p ); stateArray = FT_NEXT_ULONG( p ); entryTable = FT_NEXT_ULONG( p ); - GXV_TRACE(( "nClasses =0x%08x\n", valid->xstatetable.nClasses )); + GXV_TRACE(( "nClasses =0x%08x\n", gxvalid->xstatetable.nClasses )); GXV_TRACE(( "offset to classTable=0x%08x\n", classTable )); GXV_TRACE(( "offset to stateArray=0x%08x\n", stateArray )); GXV_TRACE(( "offset to entryTable=0x%08x\n", entryTable )); - if ( valid->xstatetable.nClasses > 0xFFFFU ) + if ( gxvalid->xstatetable.nClasses > 0xFFFFU ) FT_INVALID_DATA; GXV_TRACE(( "StateTable Subtables\n" )); - if ( valid->xstatetable.optdata_load_func != NULL ) - valid->xstatetable.optdata_load_func( p, limit, valid ); + if ( gxvalid->xstatetable.optdata_load_func != NULL ) + gxvalid->xstatetable.optdata_load_func( p, limit, gxvalid ); - if ( valid->xstatetable.subtable_setup_func != NULL ) - setup_func = valid->xstatetable.subtable_setup_func; + if ( gxvalid->xstatetable.subtable_setup_func != NULL ) + setup_func = gxvalid->xstatetable.subtable_setup_func; else setup_func = gxv_XStateTable_subtable_setup; @@ -1612,37 +1612,37 @@ &classTable_length, &stateArray_length, &entryTable_length, - valid ); + gxvalid ); if ( classTable != 0 ) { - valid->xstatetable.maxClassID = 0; - valid->lookupval_sign = GXV_LOOKUPVALUE_UNSIGNED; - valid->lookupval_func = gxv_XClassTable_lookupval_validate; - valid->lookupfmt4_trans = gxv_XClassTable_lookupfmt4_transit; + gxvalid->xstatetable.maxClassID = 0; + gxvalid->lookupval_sign = GXV_LOOKUPVALUE_UNSIGNED; + gxvalid->lookupval_func = gxv_XClassTable_lookupval_validate; + gxvalid->lookupfmt4_trans = gxv_XClassTable_lookupfmt4_transit; gxv_LookupTable_validate( table + classTable, table + classTable + classTable_length, - valid ); + gxvalid ); #if 0 - if ( valid->subtable_length < classTable_length ) - classTable_length = valid->subtable_length; + if ( gxvalid->subtable_length < classTable_length ) + classTable_length = gxvalid->subtable_length; #endif } else { /* XXX: check range? */ - valid->xstatetable.maxClassID = - (FT_UShort)( valid->xstatetable.nClasses - 1 ); + gxvalid->xstatetable.maxClassID = + (FT_UShort)( gxvalid->xstatetable.nClasses - 1 ); } if ( stateArray != 0 ) gxv_XStateArray_validate( table + stateArray, &stateArray_length, - valid->xstatetable.maxClassID, - valid->xstatetable.nClasses, + gxvalid->xstatetable.maxClassID, + gxvalid->xstatetable.nClasses, &maxState, &maxEntry, - valid ); + gxvalid ); else { #if 0 @@ -1659,10 +1659,10 @@ &entryTable_length, maxEntry, stateArray_length, - valid->xstatetable.maxClassID, + gxvalid->xstatetable.maxClassID, table, limit, - valid ); + gxvalid ); GXV_EXIT; } @@ -1719,7 +1719,7 @@ FT_LOCAL_DEF( void ) gxv_odtect_validate( GXV_odtect_Range odtect, - GXV_Validator valid ) + GXV_Validator gxvalid ) { FT_UInt i, j; diff --git a/freetype/src/gxvalid/gxvcommn.h b/freetype/src/gxvalid/gxvcommn.h index f7d368822..17efb7516 100644 --- a/freetype/src/gxvalid/gxvcommn.h +++ b/freetype/src/gxvalid/gxvcommn.h @@ -4,7 +4,7 @@ /* */ /* TrueTypeGX/AAT common tables validation (specification). */ /* */ -/* Copyright 2004, 2005, 2012 */ +/* Copyright 2004, 2005, 2012, 2014 */ /* by suzuki toshiya, Masatake YAMATO, Red Hat K.K., */ /* David Turner, Robert Wilhelm, and Werner Lemberg. */ /* */ @@ -62,7 +62,7 @@ FT_BEGIN_HEADER #undef GXV_LOAD_UNUSED_VARS /* debug purpose */ -#define IS_PARANOID_VALIDATION ( valid->root->level >= FT_VALIDATE_PARANOID ) +#define IS_PARANOID_VALIDATION ( gxvalid->root->level >= FT_VALIDATE_PARANOID ) #define GXV_SET_ERR_IF_PARANOID( err ) { if ( IS_PARANOID_VALIDATION ) ( err ); } /*************************************************************************/ @@ -81,7 +81,7 @@ FT_BEGIN_HEADER typedef void (*GXV_Validate_Func)( FT_Bytes table, FT_Bytes limit, - GXV_Validator valid ); + GXV_Validator gxvalid ); /* ====================== LookupTable Validator ======================== */ @@ -106,13 +106,13 @@ FT_BEGIN_HEADER typedef void (*GXV_Lookup_Value_Validate_Func)( FT_UShort glyph, GXV_LookupValueCPtr value_p, - GXV_Validator valid ); + GXV_Validator gxvalid ); typedef GXV_LookupValueDesc (*GXV_Lookup_Fmt4_Transit_Func)( FT_UShort relative_gindex, GXV_LookupValueCPtr base_value_p, FT_Bytes lookuptbl_limit, - GXV_Validator valid ); + GXV_Validator gxvalid ); /* ====================== StateTable Validator ========================= */ @@ -131,10 +131,10 @@ FT_BEGIN_HEADER #define GXV_GLYPHOFFSET_FMT( table ) \ - ( valid->table.entry_glyphoffset_fmt ) + ( gxvalid->table.entry_glyphoffset_fmt ) #define GXV_GLYPHOFFSET_SIZE( table ) \ - ( valid->table.entry_glyphoffset_fmt / 2 ) + ( gxvalid->table.entry_glyphoffset_fmt / 2 ) /* ----------------------- 16bit StateTable ---------------------------- */ @@ -160,7 +160,7 @@ FT_BEGIN_HEADER FT_UShort* classTable_length_p, FT_UShort* stateArray_length_p, FT_UShort* entryTable_length_p, - GXV_Validator valid ); + GXV_Validator gxvalid ); typedef void (*GXV_StateTable_Entry_Validate_Func)( @@ -169,12 +169,12 @@ FT_BEGIN_HEADER GXV_StateTable_GlyphOffsetCPtr glyphOffset_p, FT_Bytes statetable_table, FT_Bytes statetable_limit, - GXV_Validator valid ); + GXV_Validator gxvalid ); typedef void (*GXV_StateTable_OptData_Load_Func)( FT_Bytes table, FT_Bytes limit, - GXV_Validator valid ); + GXV_Validator gxvalid ); typedef struct GXV_StateTable_ValidatorRec_ { @@ -202,7 +202,7 @@ FT_BEGIN_HEADER FT_ULong* classTable_length_p, FT_ULong* stateArray_length_p, FT_ULong* entryTable_length_p, - GXV_Validator valid ); + GXV_Validator gxvalid ); typedef void (*GXV_XStateTable_Entry_Validate_Func)( @@ -211,7 +211,7 @@ FT_BEGIN_HEADER GXV_StateTable_GlyphOffsetCPtr glyphOffset_p, FT_Bytes xstatetable_table, FT_Bytes xstatetable_limit, - GXV_Validator valid ); + GXV_Validator gxvalid ); typedef GXV_StateTable_OptData_Load_Func GXV_XStateTable_OptData_Load_Func; @@ -263,35 +263,35 @@ FT_BEGIN_HEADER #define GXV_TABLE_DATA( tag, field ) \ - ( ( (GXV_ ## tag ## _Data)valid->table_data )->field ) + ( ( (GXV_ ## tag ## _Data)gxvalid->table_data )->field ) #undef FT_INVALID_ -#define FT_INVALID_( _prefix, _error ) \ - ft_validator_error( valid->root, _prefix ## _error ) +#define FT_INVALID_( _error ) \ + ft_validator_error( gxvalid->root, FT_THROW( _error ) ) #define GXV_LIMIT_CHECK( _count ) \ FT_BEGIN_STMNT \ - if ( p + _count > ( limit? limit : valid->root->limit ) ) \ + if ( p + _count > ( limit? limit : gxvalid->root->limit ) ) \ FT_INVALID_TOO_SHORT; \ FT_END_STMNT #ifdef FT_DEBUG_LEVEL_TRACE -#define GXV_INIT valid->debug_indent = 0 +#define GXV_INIT gxvalid->debug_indent = 0 #define GXV_NAME_ENTER( name ) \ FT_BEGIN_STMNT \ - valid->debug_indent += 2; \ - FT_TRACE4(( "%*.s", valid->debug_indent, 0 )); \ + gxvalid->debug_indent += 2; \ + FT_TRACE4(( "%*.s", gxvalid->debug_indent, 0 )); \ FT_TRACE4(( "%s table\n", name )); \ FT_END_STMNT -#define GXV_EXIT valid->debug_indent -= 2 +#define GXV_EXIT gxvalid->debug_indent -= 2 #define GXV_TRACE( s ) \ FT_BEGIN_STMNT \ - FT_TRACE4(( "%*.s", valid->debug_indent, 0 )); \ + FT_TRACE4(( "%*.s", gxvalid->debug_indent, 0 )); \ FT_TRACE4( s ); \ FT_END_STMNT @@ -318,7 +318,7 @@ FT_BEGIN_HEADER FT_BEGIN_STMNT \ { \ if ( (a) & 3 ) \ - FT_INVALID_OFFSET ; \ + FT_INVALID_OFFSET; \ } \ FT_END_STMNT @@ -349,7 +349,7 @@ FT_BEGIN_HEADER \ \ for ( b = p; b < (FT_Bytes)p + len; b++ ) \ - if ( 0x40 < *b && *b < 0x7e ) \ + if ( 0x40 < *b && *b < 0x7E ) \ FT_TRACE1(("%c", *b)) ; \ else \ FT_TRACE1(("\\x%02x", *b)) ; \ @@ -373,12 +373,12 @@ FT_BEGIN_HEADER FT_Bytes limit, FT_UShort* unitSize_p, FT_UShort* nUnits_p, - GXV_Validator valid ); + GXV_Validator gxvalid ); FT_LOCAL( void ) gxv_LookupTable_validate( FT_Bytes table, FT_Bytes limit, - GXV_Validator valid ); + GXV_Validator gxvalid ); /*************************************************************************/ @@ -391,7 +391,7 @@ FT_BEGIN_HEADER FT_LOCAL( FT_Int ) gxv_glyphid_validate( FT_UShort gid, - GXV_Validator valid ); + GXV_Validator gxvalid ); /*************************************************************************/ @@ -405,7 +405,7 @@ FT_BEGIN_HEADER FT_LOCAL( void ) gxv_ctlPoint_validate( FT_UShort gid, FT_Short ctl_point, - GXV_Validator valid ); + GXV_Validator gxvalid ); /*************************************************************************/ @@ -420,7 +420,7 @@ FT_BEGIN_HEADER gxv_sfntName_validate( FT_UShort name_index, FT_UShort min_index, FT_UShort max_index, - GXV_Validator valid ); + GXV_Validator gxvalid ); /*************************************************************************/ @@ -439,7 +439,7 @@ FT_BEGIN_HEADER FT_UShort* classTable_length_p, FT_UShort* stateArray_length_p, FT_UShort* entryTable_length_p, - GXV_Validator valid ); + GXV_Validator gxvalid ); FT_LOCAL( void ) gxv_XStateTable_subtable_setup( FT_ULong table_size, @@ -449,17 +449,17 @@ FT_BEGIN_HEADER FT_ULong* classTable_length_p, FT_ULong* stateArray_length_p, FT_ULong* entryTable_length_p, - GXV_Validator valid ); + GXV_Validator gxvalid ); FT_LOCAL( void ) gxv_StateTable_validate( FT_Bytes table, FT_Bytes limit, - GXV_Validator valid ); + GXV_Validator gxvalid ); FT_LOCAL( void ) gxv_XStateTable_validate( FT_Bytes table, FT_Bytes limit, - GXV_Validator valid ); + GXV_Validator gxvalid ); /*************************************************************************/ @@ -475,14 +475,14 @@ FT_BEGIN_HEADER FT_Bytes limit, FT_Byte* min, FT_Byte* max, - GXV_Validator valid ); + GXV_Validator gxvalid ); FT_LOCAL( void ) gxv_array_getlimits_ushort( FT_Bytes table, FT_Bytes limit, FT_UShort* min, FT_UShort* max, - GXV_Validator valid ); + GXV_Validator gxvalid ); FT_LOCAL( void ) gxv_set_length_by_ushort_offset( FT_UShort* offset, @@ -490,7 +490,7 @@ FT_BEGIN_HEADER FT_UShort* buff, FT_UInt nmemb, FT_UShort limit, - GXV_Validator valid ); + GXV_Validator gxvalid ); FT_LOCAL( void ) gxv_set_length_by_ulong_offset( FT_ULong* offset, @@ -498,19 +498,19 @@ FT_BEGIN_HEADER FT_ULong* buff, FT_UInt nmemb, FT_ULong limit, - GXV_Validator valid); + GXV_Validator gxvalid); #define GXV_SUBTABLE_OFFSET_CHECK( _offset ) \ FT_BEGIN_STMNT \ - if ( (_offset) > valid->subtable_length ) \ + if ( (_offset) > gxvalid->subtable_length ) \ FT_INVALID_OFFSET; \ FT_END_STMNT #define GXV_SUBTABLE_LIMIT_CHECK( _count ) \ FT_BEGIN_STMNT \ - if ( ( p + (_count) - valid->subtable_start ) > \ - valid->subtable_length ) \ + if ( ( p + (_count) - gxvalid->subtable_start ) > \ + gxvalid->subtable_length ) \ FT_INVALID_TOO_SHORT; \ FT_END_STMNT @@ -556,7 +556,7 @@ FT_BEGIN_HEADER FT_LOCAL( void ) gxv_odtect_validate( GXV_odtect_Range odtect, - GXV_Validator valid ); + GXV_Validator gxvalid ); #define GXV_ODTECT( n, odtect ) \ diff --git a/freetype/src/gxvalid/gxvfeat.c b/freetype/src/gxvalid/gxvfeat.c index 6f7565099..69298b286 100644 --- a/freetype/src/gxvalid/gxvfeat.c +++ b/freetype/src/gxvalid/gxvfeat.c @@ -82,7 +82,7 @@ gxv_feat_registry_validate( FT_UShort feature, FT_UShort nSettings, FT_Bool exclusive, - GXV_Validator valid ) + GXV_Validator gxvalid ) { GXV_NAME_ENTER( "feature in registry" ); @@ -108,7 +108,7 @@ { /* Don't use here. Apple is reserved. */ GXV_TRACE(( "feature number %d is reserved by Apple\n", feature )); - if ( valid->root->level >= FT_VALIDATE_TIGHT ) + if ( gxvalid->root->level >= FT_VALIDATE_TIGHT ) FT_INVALID_DATA; } @@ -117,7 +117,7 @@ GXV_TRACE(( "feature %d: nSettings %d != defined nSettings %d\n", feature, nSettings, gxv_feat_registry[feature].nSettings )); - if ( valid->root->level >= FT_VALIDATE_TIGHT ) + if ( gxvalid->root->level >= FT_VALIDATE_TIGHT ) FT_INVALID_DATA; } @@ -125,7 +125,7 @@ { GXV_TRACE(( "exclusive flag %d differs from predefined value\n", exclusive )); - if ( valid->root->level >= FT_VALIDATE_TIGHT ) + if ( gxvalid->root->level >= FT_VALIDATE_TIGHT ) FT_INVALID_DATA; } @@ -137,7 +137,7 @@ static void gxv_feat_name_index_validate( FT_Bytes table, FT_Bytes limit, - GXV_Validator valid ) + GXV_Validator gxvalid ) { FT_Bytes p = table; @@ -153,7 +153,7 @@ gxv_sfntName_validate( (FT_UShort)nameIndex, 255, 32768U, - valid ); + gxvalid ); GXV_EXIT; } @@ -163,7 +163,7 @@ gxv_feat_setting_validate( FT_Bytes table, FT_Bytes limit, FT_Bool exclusive, - GXV_Validator valid ) + GXV_Validator gxvalid ) { FT_Bytes p = table; FT_UShort setting; @@ -179,7 +179,7 @@ if ( exclusive && ( setting & 1 ) == 0 ) FT_INVALID_DATA; - gxv_feat_name_index_validate( p, limit, valid ); + gxv_feat_name_index_validate( p, limit, gxvalid ); GXV_FEAT_DATA( setting ) = setting; @@ -190,7 +190,7 @@ static void gxv_feat_name_validate( FT_Bytes table, FT_Bytes limit, - GXV_Validator valid ) + GXV_Validator gxvalid ) { FT_Bytes p = table; FT_UInt reserved_size = GXV_FEAT_DATA( reserved_size ); @@ -240,14 +240,14 @@ FT_INVALID_FORMAT; } - gxv_feat_registry_validate( feature, nSettings, exclusive, valid ); + gxv_feat_registry_validate( feature, nSettings, exclusive, gxvalid ); - gxv_feat_name_index_validate( p, limit, valid ); + gxv_feat_name_index_validate( p, limit, gxvalid ); - p = valid->root->base + settingTable; + p = gxvalid->root->base + settingTable; for ( last_setting = -1, i = 0; i < nSettings; i++ ) { - gxv_feat_setting_validate( p, limit, exclusive, valid ); + gxv_feat_setting_validate( p, limit, exclusive, gxvalid ); if ( (FT_Int)GXV_FEAT_DATA( setting ) <= last_setting ) GXV_SET_ERR_IF_PARANOID( FT_INVALID_FORMAT ); @@ -274,8 +274,8 @@ FT_Face face, FT_Validator ftvalid ) { - GXV_ValidatorRec validrec; - GXV_Validator valid = &validrec; + GXV_ValidatorRec gxvalidrec; + GXV_Validator gxvalid = &gxvalidrec; GXV_feat_DataRec featrec; GXV_feat_Data feat = &featrec; @@ -289,9 +289,9 @@ FT_Int last_feature; - valid->root = ftvalid; - valid->table_data = feat; - valid->face = face; + gxvalid->root = ftvalid; + gxvalid->table_data = feat; + gxvalid->face = face; FT_TRACE3(( "validating `feat' table\n" )); GXV_INIT; @@ -323,7 +323,7 @@ for ( last_feature = -1, i = 0; i < featureNameCount; i++ ) { - gxv_feat_name_validate( p, limit, valid ); + gxv_feat_name_validate( p, limit, gxvalid ); if ( (FT_Int)GXV_FEAT_DATA( feature ) <= last_feature ) GXV_SET_ERR_IF_PARANOID( FT_INVALID_FORMAT ); diff --git a/freetype/src/gxvalid/gxvjust.c b/freetype/src/gxvalid/gxvjust.c index 7816e0b7f..24c26a565 100644 --- a/freetype/src/gxvalid/gxvjust.c +++ b/freetype/src/gxvalid/gxvjust.c @@ -4,7 +4,7 @@ /* */ /* TrueTypeGX/AAT just table validation (body). */ /* */ -/* Copyright 2005 by suzuki toshiya, Masatake YAMATO, Red Hat K.K., */ +/* Copyright 2005, 2014 by suzuki toshiya, Masatake YAMATO, Red Hat K.K., */ /* David Turner, Robert Wilhelm, and Werner Lemberg. */ /* */ /* This file is part of the FreeType project, and may only be used, */ @@ -69,14 +69,14 @@ static void gxv_just_check_max_gid( FT_UShort gid, const FT_String* msg_tag, - GXV_Validator valid ) + GXV_Validator gxvalid ) { - if ( gid < valid->face->num_glyphs ) + if ( gid < gxvalid->face->num_glyphs ) return; GXV_TRACE(( "just table includes too large %s" " GID=%d > %d (in maxp)\n", - msg_tag, gid, valid->face->num_glyphs )); + msg_tag, gid, gxvalid->face->num_glyphs )); GXV_SET_ERR_IF_PARANOID( FT_INVALID_GLYPH_ID ); } @@ -84,7 +84,7 @@ static void gxv_just_wdp_entry_validate( FT_Bytes table, FT_Bytes limit, - GXV_Validator valid ) + GXV_Validator gxvalid ) { FT_Bytes p = table; FT_ULong justClass; @@ -112,7 +112,7 @@ #endif /* According to Apple spec, only 7bits in justClass is used */ - if ( ( justClass & 0xFFFFFF80 ) != 0 ) + if ( ( justClass & 0xFFFFFF80UL ) != 0 ) { GXV_TRACE(( "just table includes non-zero value" " in unused justClass higher bits" @@ -120,14 +120,14 @@ GXV_SET_ERR_IF_PARANOID( FT_INVALID_DATA ); } - valid->subtable_length = p - table; + gxvalid->subtable_length = p - table; } static void gxv_just_wdc_entry_validate( FT_Bytes table, FT_Bytes limit, - GXV_Validator valid ) + GXV_Validator gxvalid ) { FT_Bytes p = table; FT_ULong count, i; @@ -138,18 +138,18 @@ for ( i = 0; i < count; i++ ) { GXV_TRACE(( "validating wdc pair %d/%d\n", i + 1, count )); - gxv_just_wdp_entry_validate( p, limit, valid ); - p += valid->subtable_length; + gxv_just_wdp_entry_validate( p, limit, gxvalid ); + p += gxvalid->subtable_length; } - valid->subtable_length = p - table; + gxvalid->subtable_length = p - table; } static void gxv_just_widthDeltaClusters_validate( FT_Bytes table, FT_Bytes limit, - GXV_Validator valid ) + GXV_Validator gxvalid ) { FT_Bytes p = table ; FT_Bytes wdc_end = table + GXV_JUST_DATA( wdc_offset_max ); @@ -163,11 +163,11 @@ for ( i = 0; p <= wdc_end; i++ ) { - gxv_just_wdc_entry_validate( p, limit, valid ); - p += valid->subtable_length; + gxv_just_wdc_entry_validate( p, limit, gxvalid ); + p += gxvalid->subtable_length; } - valid->subtable_length = p - table; + gxvalid->subtable_length = p - table; GXV_EXIT; } @@ -176,7 +176,7 @@ static void gxv_just_actSubrecord_type0_validate( FT_Bytes table, FT_Bytes limit, - GXV_Validator valid ) + GXV_Validator gxvalid ) { FT_Bytes p = table; @@ -214,17 +214,17 @@ GXV_LIMIT_CHECK( 2 ); glyphs = FT_NEXT_USHORT( p ); - gxv_just_check_max_gid( glyphs, "type0:glyphs", valid ); + gxv_just_check_max_gid( glyphs, "type0:glyphs", gxvalid ); } - valid->subtable_length = p - table; + gxvalid->subtable_length = p - table; } static void gxv_just_actSubrecord_type1_validate( FT_Bytes table, FT_Bytes limit, - GXV_Validator valid ) + GXV_Validator gxvalid ) { FT_Bytes p = table; FT_UShort addGlyph; @@ -233,20 +233,20 @@ GXV_LIMIT_CHECK( 2 ); addGlyph = FT_NEXT_USHORT( p ); - gxv_just_check_max_gid( addGlyph, "type1:addGlyph", valid ); + gxv_just_check_max_gid( addGlyph, "type1:addGlyph", gxvalid ); - valid->subtable_length = p - table; + gxvalid->subtable_length = p - table; } static void gxv_just_actSubrecord_type2_validate( FT_Bytes table, FT_Bytes limit, - GXV_Validator valid ) + GXV_Validator gxvalid ) { FT_Bytes p = table; #ifdef GXV_LOAD_UNUSED_VARS - FT_Fixed substThreshhold; /* Apple misspelled "Threshhold" */ + FT_Fixed substThreshhold; /* Apple misspelled "Threshhold" */ #endif FT_UShort addGlyph; FT_UShort substGlyph; @@ -262,18 +262,18 @@ substGlyph = FT_NEXT_USHORT( p ); if ( addGlyph != 0xFFFF ) - gxv_just_check_max_gid( addGlyph, "type2:addGlyph", valid ); + gxv_just_check_max_gid( addGlyph, "type2:addGlyph", gxvalid ); - gxv_just_check_max_gid( substGlyph, "type2:substGlyph", valid ); + gxv_just_check_max_gid( substGlyph, "type2:substGlyph", gxvalid ); - valid->subtable_length = p - table; + gxvalid->subtable_length = p - table; } static void gxv_just_actSubrecord_type4_validate( FT_Bytes table, FT_Bytes limit, - GXV_Validator valid ) + GXV_Validator gxvalid ) { FT_Bytes p = table; FT_ULong variantsAxis; @@ -288,9 +288,9 @@ noStretchValue = FT_NEXT_ULONG( p ); maximumLimit = FT_NEXT_ULONG( p ); - valid->subtable_length = p - table; + gxvalid->subtable_length = p - table; - if ( variantsAxis != 0x64756374 ) /* 'duct' */ + if ( variantsAxis != 0x64756374L ) /* 'duct' */ GXV_TRACE(( "variantsAxis 0x%08x is non default value", variantsAxis )); @@ -310,7 +310,7 @@ static void gxv_just_actSubrecord_type5_validate( FT_Bytes table, FT_Bytes limit, - GXV_Validator valid ) + GXV_Validator gxvalid ) { FT_Bytes p = table; FT_UShort flags; @@ -324,9 +324,9 @@ if ( flags ) GXV_TRACE(( "type5: nonzero value 0x%04x in unused flags\n", flags )); - gxv_just_check_max_gid( glyph, "type5:glyph", valid ); + gxv_just_check_max_gid( glyph, "type5:glyph", gxvalid ); - valid->subtable_length = p - table; + gxvalid->subtable_length = p - table; } @@ -334,7 +334,7 @@ static void gxv_just_actSubrecord_validate( FT_Bytes table, FT_Bytes limit, - GXV_Validator valid ) + GXV_Validator gxvalid ) { FT_Bytes p = table; FT_UShort actionClass; @@ -354,21 +354,21 @@ GXV_SET_ERR_IF_PARANOID( FT_INVALID_DATA ); if ( actionType == 0 ) - gxv_just_actSubrecord_type0_validate( p, limit, valid ); + gxv_just_actSubrecord_type0_validate( p, limit, gxvalid ); else if ( actionType == 1 ) - gxv_just_actSubrecord_type1_validate( p, limit, valid ); + gxv_just_actSubrecord_type1_validate( p, limit, gxvalid ); else if ( actionType == 2 ) - gxv_just_actSubrecord_type2_validate( p, limit, valid ); + gxv_just_actSubrecord_type2_validate( p, limit, gxvalid ); else if ( actionType == 3 ) ; /* Stretch glyph action: no actionData */ else if ( actionType == 4 ) - gxv_just_actSubrecord_type4_validate( p, limit, valid ); + gxv_just_actSubrecord_type4_validate( p, limit, gxvalid ); else if ( actionType == 5 ) - gxv_just_actSubrecord_type5_validate( p, limit, valid ); + gxv_just_actSubrecord_type5_validate( p, limit, gxvalid ); else FT_INVALID_DATA; - valid->subtable_length = actionLength; + gxvalid->subtable_length = actionLength; GXV_EXIT; } @@ -377,7 +377,7 @@ static void gxv_just_pcActionRecord_validate( FT_Bytes table, FT_Bytes limit, - GXV_Validator valid ) + GXV_Validator gxvalid ) { FT_Bytes p = table; FT_ULong actionCount; @@ -390,11 +390,11 @@ for ( i = 0; i < actionCount; i++ ) { - gxv_just_actSubrecord_validate( p, limit, valid ); - p += valid->subtable_length; + gxv_just_actSubrecord_validate( p, limit, gxvalid ); + p += gxvalid->subtable_length; } - valid->subtable_length = p - table; + gxvalid->subtable_length = p - table; GXV_EXIT; } @@ -403,7 +403,7 @@ static void gxv_just_pcTable_LookupValue_entry_validate( FT_UShort glyph, GXV_LookupValueCPtr value_p, - GXV_Validator valid ) + GXV_Validator gxvalid ) { FT_UNUSED( glyph ); @@ -417,19 +417,19 @@ static void gxv_just_pcLookupTable_validate( FT_Bytes table, FT_Bytes limit, - GXV_Validator valid ) + GXV_Validator gxvalid ) { - FT_Bytes p = table; + FT_Bytes p = table; GXV_NAME_ENTER( "just pcLookupTable" ); GXV_JUST_DATA( pc_offset_max ) = 0x0000; GXV_JUST_DATA( pc_offset_min ) = 0xFFFFU; - valid->lookupval_sign = GXV_LOOKUPVALUE_UNSIGNED; - valid->lookupval_func = gxv_just_pcTable_LookupValue_entry_validate; + gxvalid->lookupval_sign = GXV_LOOKUPVALUE_UNSIGNED; + gxvalid->lookupval_func = gxv_just_pcTable_LookupValue_entry_validate; - gxv_LookupTable_validate( p, limit, valid ); + gxv_LookupTable_validate( p, limit, gxvalid ); /* subtable_length is set by gxv_LookupTable_validate() */ @@ -440,20 +440,20 @@ static void gxv_just_postcompTable_validate( FT_Bytes table, FT_Bytes limit, - GXV_Validator valid ) + GXV_Validator gxvalid ) { FT_Bytes p = table; GXV_NAME_ENTER( "just postcompTable" ); - gxv_just_pcLookupTable_validate( p, limit, valid ); - p += valid->subtable_length; + gxv_just_pcLookupTable_validate( p, limit, gxvalid ); + p += gxvalid->subtable_length; - gxv_just_pcActionRecord_validate( p, limit, valid ); - p += valid->subtable_length; + gxv_just_pcActionRecord_validate( p, limit, gxvalid ); + p += gxvalid->subtable_length; - valid->subtable_length = p - table; + gxvalid->subtable_length = p - table; GXV_EXIT; } @@ -466,7 +466,7 @@ GXV_StateTable_GlyphOffsetCPtr glyphOffset_p, FT_Bytes table, FT_Bytes limit, - GXV_Validator valid ) + GXV_Validator gxvalid ) { #ifdef GXV_LOAD_UNUSED_VARS /* TODO: validate markClass & currentClass */ @@ -480,7 +480,7 @@ FT_UNUSED( glyphOffset_p ); FT_UNUSED( table ); FT_UNUSED( limit ); - FT_UNUSED( valid ); + FT_UNUSED( gxvalid ); #ifndef GXV_LOAD_UNUSED_VARS FT_UNUSED( flags ); @@ -496,7 +496,7 @@ static void gxv_just_justClassTable_validate ( FT_Bytes table, FT_Bytes limit, - GXV_Validator valid ) + GXV_Validator gxvalid ) { FT_Bytes p = table; FT_UShort length; @@ -521,14 +521,14 @@ GXV_TRACE(( " justClassTable: nonzero value (0x%08x)" " in unused subFeatureFlags\n", subFeatureFlags )); - valid->statetable.optdata = NULL; - valid->statetable.optdata_load_func = NULL; - valid->statetable.subtable_setup_func = NULL; - valid->statetable.entry_glyphoffset_fmt = GXV_GLYPHOFFSET_NONE; - valid->statetable.entry_validate_func = + gxvalid->statetable.optdata = NULL; + gxvalid->statetable.optdata_load_func = NULL; + gxvalid->statetable.subtable_setup_func = NULL; + gxvalid->statetable.entry_glyphoffset_fmt = GXV_GLYPHOFFSET_NONE; + gxvalid->statetable.entry_validate_func = gxv_just_classTable_entry_validate; - gxv_StateTable_validate( p, table + length, valid ); + gxv_StateTable_validate( p, table + length, gxvalid ); /* subtable_length is set by gxv_LookupTable_validate() */ @@ -539,7 +539,7 @@ static void gxv_just_wdcTable_LookupValue_validate( FT_UShort glyph, GXV_LookupValueCPtr value_p, - GXV_Validator valid ) + GXV_Validator gxvalid ) { FT_UNUSED( glyph ); @@ -553,7 +553,7 @@ static void gxv_just_justData_lookuptable_validate( FT_Bytes table, FT_Bytes limit, - GXV_Validator valid ) + GXV_Validator gxvalid ) { FT_Bytes p = table; @@ -561,10 +561,10 @@ GXV_JUST_DATA( wdc_offset_max ) = 0x0000; GXV_JUST_DATA( wdc_offset_min ) = 0xFFFFU; - valid->lookupval_sign = GXV_LOOKUPVALUE_UNSIGNED; - valid->lookupval_func = gxv_just_wdcTable_LookupValue_validate; + gxvalid->lookupval_sign = GXV_LOOKUPVALUE_UNSIGNED; + gxvalid->lookupval_func = gxv_just_wdcTable_LookupValue_validate; - gxv_LookupTable_validate( p, limit, valid ); + gxv_LookupTable_validate( p, limit, gxvalid ); /* subtable_length is set by gxv_LookupTable_validate() */ @@ -578,7 +578,7 @@ static void gxv_just_justData_validate( FT_Bytes table, FT_Bytes limit, - GXV_Validator valid ) + GXV_Validator gxvalid ) { /* * following 3 offsets are measured from the start of `just' @@ -604,36 +604,36 @@ GXV_TRACE(( " (wdcTableOffset = 0x%04x)\n", wdcTableOffset )); GXV_TRACE(( " (pcTableOffset = 0x%04x)\n", pcTableOffset )); - gxv_just_justData_lookuptable_validate( p, limit, valid ); - gxv_odtect_add_range( p, valid->subtable_length, + gxv_just_justData_lookuptable_validate( p, limit, gxvalid ); + gxv_odtect_add_range( p, gxvalid->subtable_length, "just_LookupTable", odtect ); if ( wdcTableOffset ) { gxv_just_widthDeltaClusters_validate( - valid->root->base + wdcTableOffset, limit, valid ); - gxv_odtect_add_range( valid->root->base + wdcTableOffset, - valid->subtable_length, "just_wdcTable", odtect ); + gxvalid->root->base + wdcTableOffset, limit, gxvalid ); + gxv_odtect_add_range( gxvalid->root->base + wdcTableOffset, + gxvalid->subtable_length, "just_wdcTable", odtect ); } if ( pcTableOffset ) { - gxv_just_postcompTable_validate( valid->root->base + pcTableOffset, - limit, valid ); - gxv_odtect_add_range( valid->root->base + pcTableOffset, - valid->subtable_length, "just_pcTable", odtect ); + gxv_just_postcompTable_validate( gxvalid->root->base + pcTableOffset, + limit, gxvalid ); + gxv_odtect_add_range( gxvalid->root->base + pcTableOffset, + gxvalid->subtable_length, "just_pcTable", odtect ); } if ( justClassTableOffset ) { gxv_just_justClassTable_validate( - valid->root->base + justClassTableOffset, limit, valid ); - gxv_odtect_add_range( valid->root->base + justClassTableOffset, - valid->subtable_length, "just_justClassTable", + gxvalid->root->base + justClassTableOffset, limit, gxvalid ); + gxv_odtect_add_range( gxvalid->root->base + justClassTableOffset, + gxvalid->subtable_length, "just_justClassTable", odtect ); } - gxv_odtect_validate( odtect, valid ); + gxv_odtect_validate( odtect, gxvalid ); GXV_EXIT; } @@ -647,8 +647,8 @@ FT_Bytes p = table; FT_Bytes limit = 0; - GXV_ValidatorRec validrec; - GXV_Validator valid = &validrec; + GXV_ValidatorRec gxvalidrec; + GXV_Validator gxvalid = &gxvalidrec; GXV_just_DataRec justrec; GXV_just_Data just = &justrec; @@ -662,14 +662,14 @@ GXV_ODTECT_INIT( odtect ); - valid->root = ftvalid; - valid->table_data = just; - valid->face = face; + gxvalid->root = ftvalid; + gxvalid->table_data = just; + gxvalid->face = face; FT_TRACE3(( "validating `just' table\n" )); GXV_INIT; - limit = valid->root->limit; + limit = gxvalid->root->limit; GXV_LIMIT_CHECK( 4 + 2 + 2 + 2 ); version = FT_NEXT_ULONG( p ); @@ -696,19 +696,19 @@ /* validate justData */ if ( 0 < horizOffset ) { - gxv_just_justData_validate( table + horizOffset, limit, valid ); - gxv_odtect_add_range( table + horizOffset, valid->subtable_length, + gxv_just_justData_validate( table + horizOffset, limit, gxvalid ); + gxv_odtect_add_range( table + horizOffset, gxvalid->subtable_length, "horizJustData", odtect ); } if ( 0 < vertOffset ) { - gxv_just_justData_validate( table + vertOffset, limit, valid ); - gxv_odtect_add_range( table + vertOffset, valid->subtable_length, + gxv_just_justData_validate( table + vertOffset, limit, gxvalid ); + gxv_odtect_add_range( table + vertOffset, gxvalid->subtable_length, "vertJustData", odtect ); } - gxv_odtect_validate( odtect, valid ); + gxv_odtect_validate( odtect, gxvalid ); FT_TRACE4(( "\n" )); } diff --git a/freetype/src/gxvalid/gxvkern.c b/freetype/src/gxvalid/gxvkern.c index 557c5f1fe..787e3db83 100644 --- a/freetype/src/gxvalid/gxvkern.c +++ b/freetype/src/gxvalid/gxvkern.c @@ -79,20 +79,20 @@ #define GXV_KERN_DATA( field ) GXV_TABLE_DATA( kern, field ) -#define KERN_IS_CLASSIC( valid ) \ +#define KERN_IS_CLASSIC( gxvalid ) \ ( KERN_VERSION_CLASSIC == GXV_KERN_DATA( version ) ) -#define KERN_IS_NEW( valid ) \ +#define KERN_IS_NEW( gxvalid ) \ ( KERN_VERSION_NEW == GXV_KERN_DATA( version ) ) -#define KERN_DIALECT( valid ) \ +#define KERN_DIALECT( gxvalid ) \ GXV_KERN_DATA( dialect_request ) -#define KERN_ALLOWS_MS( valid ) \ - ( KERN_DIALECT( valid ) & KERN_DIALECT_MS ) -#define KERN_ALLOWS_APPLE( valid ) \ - ( KERN_DIALECT( valid ) & KERN_DIALECT_APPLE ) +#define KERN_ALLOWS_MS( gxvalid ) \ + ( KERN_DIALECT( gxvalid ) & KERN_DIALECT_MS ) +#define KERN_ALLOWS_APPLE( gxvalid ) \ + ( KERN_DIALECT( gxvalid ) & KERN_DIALECT_APPLE ) -#define GXV_KERN_HEADER_SIZE ( KERN_IS_NEW( valid ) ? 8 : 4 ) -#define GXV_KERN_SUBTABLE_HEADER_SIZE ( KERN_IS_NEW( valid ) ? 8 : 6 ) +#define GXV_KERN_HEADER_SIZE ( KERN_IS_NEW( gxvalid ) ? 8 : 4 ) +#define GXV_KERN_SUBTABLE_HEADER_SIZE ( KERN_IS_NEW( gxvalid ) ? 8 : 6 ) /*************************************************************************/ @@ -110,7 +110,7 @@ gxv_kern_subtable_fmt0_pairs_validate( FT_Bytes table, FT_Bytes limit, FT_UShort nPairs, - GXV_Validator valid ) + GXV_Validator gxvalid ) { FT_Bytes p = table; FT_UShort i; @@ -134,11 +134,11 @@ /* left */ gid_left = FT_NEXT_USHORT( p ); - gxv_glyphid_validate( gid_left, valid ); + gxv_glyphid_validate( gid_left, gxvalid ); /* right */ gid_right = FT_NEXT_USHORT( p ); - gxv_glyphid_validate( gid_right, valid ); + gxv_glyphid_validate( gid_right, gxvalid ); /* Pairs of left and right GIDs must be unique and sorted. */ GXV_TRACE(( "left gid = %u, right gid = %u\n", gid_left, gid_right )); @@ -171,7 +171,7 @@ static void gxv_kern_subtable_fmt0_validate( FT_Bytes table, FT_Bytes limit, - GXV_Validator valid ) + GXV_Validator gxvalid ) { FT_Bytes p = table + GXV_KERN_SUBTABLE_HEADER_SIZE; @@ -186,10 +186,10 @@ /* nPairs, searchRange, entrySelector, rangeShift */ GXV_LIMIT_CHECK( 2 + 2 + 2 + 2 ); - gxv_BinSrchHeader_validate( p, limit, &unitSize, &nPairs, valid ); + gxv_BinSrchHeader_validate( p, limit, &unitSize, &nPairs, gxvalid ); p += 2 + 2 + 2 + 2; - gxv_kern_subtable_fmt0_pairs_validate( p, limit, nPairs, valid ); + gxv_kern_subtable_fmt0_pairs_validate( p, limit, nPairs, gxvalid ); GXV_EXIT; } @@ -209,11 +209,11 @@ static void gxv_kern_subtable_fmt1_valueTable_load( FT_Bytes table, FT_Bytes limit, - GXV_Validator valid ) + GXV_Validator gxvalid ) { FT_Bytes p = table; GXV_kern_fmt1_StateOptRecData optdata = - (GXV_kern_fmt1_StateOptRecData)valid->statetable.optdata; + (GXV_kern_fmt1_StateOptRecData)gxvalid->statetable.optdata; GXV_LIMIT_CHECK( 2 ); @@ -232,14 +232,14 @@ FT_UShort* classTable_length_p, FT_UShort* stateArray_length_p, FT_UShort* entryTable_length_p, - GXV_Validator valid ) + GXV_Validator gxvalid ) { FT_UShort o[4]; FT_UShort *l[4]; FT_UShort buff[5]; GXV_kern_fmt1_StateOptRecData optdata = - (GXV_kern_fmt1_StateOptRecData)valid->statetable.optdata; + (GXV_kern_fmt1_StateOptRecData)gxvalid->statetable.optdata; o[0] = classTable; @@ -251,7 +251,7 @@ l[2] = entryTable_length_p; l[3] = &(optdata->valueTable_length); - gxv_set_length_by_ushort_offset( o, l, buff, 4, table_size, valid ); + gxv_set_length_by_ushort_offset( o, l, buff, 4, table_size, gxvalid ); } @@ -265,7 +265,7 @@ GXV_StateTable_GlyphOffsetCPtr glyphOffset_p, FT_Bytes table, FT_Bytes limit, - GXV_Validator valid ) + GXV_Validator gxvalid ) { #ifdef GXV_LOAD_UNUSED_VARS FT_UShort push; @@ -289,7 +289,7 @@ { GXV_kern_fmt1_StateOptRecData vt_rec = - (GXV_kern_fmt1_StateOptRecData)valid->statetable.optdata; + (GXV_kern_fmt1_StateOptRecData)gxvalid->statetable.optdata; FT_Bytes p; @@ -311,7 +311,7 @@ static void gxv_kern_subtable_fmt1_validate( FT_Bytes table, FT_Bytes limit, - GXV_Validator valid ) + GXV_Validator gxvalid ) { FT_Bytes p = table; GXV_kern_fmt1_StateOptRec vt_rec; @@ -319,18 +319,18 @@ GXV_NAME_ENTER( "kern subtable format 1" ); - valid->statetable.optdata = + gxvalid->statetable.optdata = &vt_rec; - valid->statetable.optdata_load_func = + gxvalid->statetable.optdata_load_func = gxv_kern_subtable_fmt1_valueTable_load; - valid->statetable.subtable_setup_func = + gxvalid->statetable.subtable_setup_func = gxv_kern_subtable_fmt1_subtable_setup; - valid->statetable.entry_glyphoffset_fmt = + gxvalid->statetable.entry_glyphoffset_fmt = GXV_GLYPHOFFSET_NONE; - valid->statetable.entry_validate_func = + gxvalid->statetable.entry_validate_func = gxv_kern_subtable_fmt1_entry_validate; - gxv_StateTable_validate( p, limit, valid ); + gxv_StateTable_validate( p, limit, gxvalid ); GXV_EXIT; } @@ -373,7 +373,7 @@ gxv_kern_subtable_fmt2_clstbl_validate( FT_Bytes table, FT_Bytes limit, GXV_kern_ClassSpec spec, - GXV_Validator valid ) + GXV_Validator gxvalid ) { const FT_String* tag = GXV_KERN_FMT2_DATA( class_tag[spec] ); GXV_odtect_Range odtect = GXV_KERN_FMT2_DATA( odtect ); @@ -391,13 +391,13 @@ GXV_TRACE(( " %s firstGlyph=%d, nGlyphs=%d\n", tag, firstGlyph, nGlyphs )); - gxv_glyphid_validate( firstGlyph, valid ); - gxv_glyphid_validate( (FT_UShort)( firstGlyph + nGlyphs - 1 ), valid ); + gxv_glyphid_validate( firstGlyph, gxvalid ); + gxv_glyphid_validate( (FT_UShort)( firstGlyph + nGlyphs - 1 ), gxvalid ); gxv_array_getlimits_ushort( p, p + ( 2 * nGlyphs ), &( GXV_KERN_FMT2_DATA( offset_min[spec] ) ), &( GXV_KERN_FMT2_DATA( offset_max[spec] ) ), - valid ); + gxvalid ); gxv_odtect_add_range( table, 2 * nGlyphs, tag, odtect ); @@ -408,7 +408,7 @@ static void gxv_kern_subtable_fmt2_validate( FT_Bytes table, FT_Bytes limit, - GXV_Validator valid ) + GXV_Validator gxvalid ) { GXV_ODTECT( 3, odtect ); GXV_kern_subtable_fmt2_DataRec fmt2_rec = @@ -439,10 +439,10 @@ GXV_LIMIT_CHECK( GXV_KERN_FMT2_DATA( array ) ); gxv_kern_subtable_fmt2_clstbl_validate( table + leftOffsetTable, limit, - GXV_KERN_CLS_L, valid ); + GXV_KERN_CLS_L, gxvalid ); gxv_kern_subtable_fmt2_clstbl_validate( table + rightOffsetTable, limit, - GXV_KERN_CLS_R, valid ); + GXV_KERN_CLS_R, gxvalid ); if ( GXV_KERN_FMT2_DATA( offset_min[GXV_KERN_CLS_L] ) + GXV_KERN_FMT2_DATA( offset_min[GXV_KERN_CLS_R] ) @@ -455,7 +455,7 @@ - GXV_KERN_FMT2_DATA( array ), "array", odtect ); - gxv_odtect_validate( odtect, valid ); + gxv_odtect_validate( odtect, gxvalid ); GXV_EXIT; } @@ -466,7 +466,7 @@ static void gxv_kern_subtable_fmt3_validate( FT_Bytes table, FT_Bytes limit, - GXV_Validator valid ) + GXV_Validator gxvalid ) { FT_Bytes p = table + GXV_KERN_SUBTABLE_HEADER_SIZE; FT_UShort glyphCount; @@ -485,10 +485,10 @@ rightClassCount = FT_NEXT_BYTE( p ); flags = FT_NEXT_BYTE( p ); - if ( valid->face->num_glyphs != glyphCount ) + if ( gxvalid->face->num_glyphs != glyphCount ) { GXV_TRACE(( "maxGID=%d, but glyphCount=%d\n", - valid->face->num_glyphs, glyphCount )); + gxvalid->face->num_glyphs, glyphCount )); GXV_SET_ERR_IF_PARANOID( FT_INVALID_GLYPH_ID ); } @@ -509,8 +509,8 @@ GXV_LIMIT_CHECK( glyphCount ); - gxv_array_getlimits_byte( p, p + glyphCount, &min, &max, valid ); - p += valid->subtable_length; + gxv_array_getlimits_byte( p, p + glyphCount, &min, &max, gxvalid ); + p += gxvalid->subtable_length; if ( leftClassCount < max ) FT_INVALID_DATA; @@ -524,8 +524,8 @@ GXV_LIMIT_CHECK( glyphCount ); - gxv_array_getlimits_byte( p, p + glyphCount, &min, &max, valid ); - p += valid->subtable_length; + gxv_array_getlimits_byte( p, p + glyphCount, &min, &max, gxvalid ); + p += gxvalid->subtable_length; if ( rightClassCount < max ) FT_INVALID_DATA; @@ -549,7 +549,7 @@ } } - valid->subtable_length = p - table; + gxvalid->subtable_length = p - table; GXV_EXIT; } @@ -558,7 +558,7 @@ static FT_Bool gxv_kern_coverage_new_apple_validate( FT_UShort coverage, FT_UShort* format, - GXV_Validator valid ) + GXV_Validator gxvalid ) { /* new Apple-dialect */ #ifdef GXV_LOAD_TRACE_VARS @@ -567,7 +567,7 @@ FT_Bool kernVariation; #endif - FT_UNUSED( valid ); + FT_UNUSED( gxvalid ); /* reserved bits = 0 */ @@ -595,7 +595,7 @@ static FT_Bool gxv_kern_coverage_classic_apple_validate( FT_UShort coverage, FT_UShort* format, - GXV_Validator valid ) + GXV_Validator gxvalid ) { /* classic Apple-dialect */ #ifdef GXV_LOAD_TRACE_VARS @@ -605,7 +605,7 @@ /* check expected flags, but don't check if MS-dialect is impossible */ - if ( !( coverage & 0xFD00 ) && KERN_ALLOWS_MS( valid ) ) + if ( !( coverage & 0xFD00 ) && KERN_ALLOWS_MS( gxvalid ) ) return FALSE; /* reserved bits = 0 */ @@ -636,7 +636,7 @@ static FT_Bool gxv_kern_coverage_classic_microsoft_validate( FT_UShort coverage, FT_UShort* format, - GXV_Validator valid ) + GXV_Validator gxvalid ) { /* classic Microsoft-dialect */ #ifdef GXV_LOAD_TRACE_VARS @@ -646,7 +646,7 @@ FT_Bool override; #endif - FT_UNUSED( valid ); + FT_UNUSED( gxvalid ); /* reserved bits = 0 */ @@ -686,7 +686,7 @@ static GXV_kern_Dialect gxv_kern_coverage_validate( FT_UShort coverage, FT_UShort* format, - GXV_Validator valid ) + GXV_Validator gxvalid ) { GXV_kern_Dialect result = KERN_DIALECT_UNKNOWN; @@ -695,33 +695,33 @@ GXV_TRACE(( "interprete coverage 0x%04x by Apple style\n", coverage )); - if ( KERN_IS_NEW( valid ) ) + if ( KERN_IS_NEW( gxvalid ) ) { if ( gxv_kern_coverage_new_apple_validate( coverage, format, - valid ) ) + gxvalid ) ) { result = KERN_DIALECT_APPLE; goto Exit; } } - if ( KERN_IS_CLASSIC( valid ) && KERN_ALLOWS_APPLE( valid ) ) + if ( KERN_IS_CLASSIC( gxvalid ) && KERN_ALLOWS_APPLE( gxvalid ) ) { if ( gxv_kern_coverage_classic_apple_validate( coverage, format, - valid ) ) + gxvalid ) ) { result = KERN_DIALECT_APPLE; goto Exit; } } - if ( KERN_IS_CLASSIC( valid ) && KERN_ALLOWS_MS( valid ) ) + if ( KERN_IS_CLASSIC( gxvalid ) && KERN_ALLOWS_MS( gxvalid ) ) { if ( gxv_kern_coverage_classic_microsoft_validate( coverage, format, - valid ) ) + gxvalid ) ) { result = KERN_DIALECT_MS; goto Exit; @@ -739,7 +739,7 @@ static void gxv_kern_subtable_validate( FT_Bytes table, FT_Bytes limit, - GXV_Validator valid ) + GXV_Validator gxvalid ) { FT_Bytes p = table; #ifdef GXV_LOAD_TRACE_VARS @@ -761,7 +761,7 @@ u16[1] = FT_NEXT_USHORT( p ); /* Apple: length_lo MS: length */ coverage = FT_NEXT_USHORT( p ); - switch ( gxv_kern_coverage_validate( coverage, &format, valid ) ) + switch ( gxv_kern_coverage_validate( coverage, &format, gxvalid ) ) { case KERN_DIALECT_MS: #ifdef GXV_LOAD_TRACE_VARS @@ -785,7 +785,7 @@ #endif GXV_TRACE(( "Subtable length = %d\n", length )); - if ( KERN_IS_NEW( valid ) ) + if ( KERN_IS_NEW( gxvalid ) ) { GXV_LIMIT_CHECK( 2 ); #ifdef GXV_LOAD_TRACE_VARS @@ -806,18 +806,18 @@ /* formats 1, 2, 3 require the position of the start of this subtable */ if ( format == 0 ) - gxv_kern_subtable_fmt0_validate( table, table + length, valid ); + gxv_kern_subtable_fmt0_validate( table, table + length, gxvalid ); else if ( format == 1 ) - gxv_kern_subtable_fmt1_validate( table, table + length, valid ); + gxv_kern_subtable_fmt1_validate( table, table + length, gxvalid ); else if ( format == 2 ) - gxv_kern_subtable_fmt2_validate( table, table + length, valid ); + gxv_kern_subtable_fmt2_validate( table, table + length, gxvalid ); else if ( format == 3 ) - gxv_kern_subtable_fmt3_validate( table, table + length, valid ); + gxv_kern_subtable_fmt3_validate( table, table + length, gxvalid ); else FT_INVALID_DATA; Exit: - valid->subtable_length = length; + gxvalid->subtable_length = length; GXV_EXIT; } @@ -837,8 +837,8 @@ GXV_kern_Dialect dialect_request, FT_Validator ftvalid ) { - GXV_ValidatorRec validrec; - GXV_Validator valid = &validrec; + GXV_ValidatorRec gxvalidrec; + GXV_Validator gxvalid = &gxvalidrec; GXV_kern_DataRec kernrec; GXV_kern_Data kern = &kernrec; @@ -850,13 +850,13 @@ FT_UInt i; - valid->root = ftvalid; - valid->table_data = kern; - valid->face = face; + gxvalid->root = ftvalid; + gxvalid->table_data = kern; + gxvalid->face = face; FT_TRACE3(( "validating `kern' table\n" )); GXV_INIT; - KERN_DIALECT( valid ) = dialect_request; + KERN_DIALECT( gxvalid ) = dialect_request; GXV_LIMIT_CHECK( 2 ); GXV_KERN_DATA( version ) = (GXV_kern_Version)FT_NEXT_USHORT( p ); @@ -865,12 +865,12 @@ if ( 0x0001 < GXV_KERN_DATA( version ) ) FT_INVALID_FORMAT; - else if ( KERN_IS_CLASSIC( valid ) ) + else if ( KERN_IS_CLASSIC( gxvalid ) ) { GXV_LIMIT_CHECK( 2 ); nTables = FT_NEXT_USHORT( p ); } - else if ( KERN_IS_NEW( valid ) ) + else if ( KERN_IS_NEW( gxvalid ) ) { if ( classic_only ) FT_INVALID_FORMAT; @@ -886,8 +886,8 @@ { GXV_TRACE(( "validating subtable %d/%d\n", i, nTables )); /* p should be 32bit-aligned? */ - gxv_kern_subtable_validate( p, 0, valid ); - p += valid->subtable_length; + gxv_kern_subtable_validate( p, 0, gxvalid ); + p += gxvalid->subtable_length; } FT_TRACE4(( "\n" )); diff --git a/freetype/src/gxvalid/gxvlcar.c b/freetype/src/gxvalid/gxvlcar.c index f14fa5b13..48308b024 100644 --- a/freetype/src/gxvalid/gxvlcar.c +++ b/freetype/src/gxvalid/gxvlcar.c @@ -67,14 +67,14 @@ static void gxv_lcar_partial_validate( FT_UShort partial, FT_UShort glyph, - GXV_Validator valid ) + GXV_Validator gxvalid ) { GXV_NAME_ENTER( "partial" ); if ( GXV_LCAR_DATA( format ) != 1 ) goto Exit; - gxv_ctlPoint_validate( glyph, partial, valid ); + gxv_ctlPoint_validate( glyph, partial, gxvalid ); Exit: GXV_EXIT; @@ -84,10 +84,10 @@ static void gxv_lcar_LookupValue_validate( FT_UShort glyph, GXV_LookupValueCPtr value_p, - GXV_Validator valid ) + GXV_Validator gxvalid ) { - FT_Bytes p = valid->root->base + value_p->u; - FT_Bytes limit = valid->root->limit; + FT_Bytes p = gxvalid->root->base + value_p->u; + FT_Bytes limit = gxvalid->root->limit; FT_UShort count; FT_Short partial; FT_UShort i; @@ -102,7 +102,7 @@ for ( i = 0; i < count; i++ ) { partial = FT_NEXT_SHORT( p ); - gxv_lcar_partial_validate( partial, glyph, valid ); + gxv_lcar_partial_validate( partial, glyph, gxvalid ); } GXV_EXIT; @@ -148,7 +148,7 @@ gxv_lcar_LookupFmt4_transit( FT_UShort relative_gindex, GXV_LookupValueCPtr base_value_p, FT_Bytes lookuptbl_limit, - GXV_Validator valid ) + GXV_Validator gxvalid ) { FT_Bytes p; FT_Bytes limit; @@ -160,8 +160,8 @@ /* XXX: check range? */ offset = (FT_UShort)( base_value_p->u + relative_gindex * sizeof ( FT_UShort ) ); - p = valid->root->base + offset; - limit = valid->root->limit; + p = gxvalid->root->base + offset; + limit = gxvalid->root->limit; GXV_LIMIT_CHECK ( 2 ); value.u = FT_NEXT_USHORT( p ); @@ -185,8 +185,8 @@ { FT_Bytes p = table; FT_Bytes limit = 0; - GXV_ValidatorRec validrec; - GXV_Validator valid = &validrec; + GXV_ValidatorRec gxvalidrec; + GXV_Validator gxvalid = &gxvalidrec; GXV_lcar_DataRec lcarrec; GXV_lcar_Data lcar = &lcarrec; @@ -194,9 +194,9 @@ FT_Fixed version; - valid->root = ftvalid; - valid->table_data = lcar; - valid->face = face; + gxvalid->root = ftvalid; + gxvalid->table_data = lcar; + gxvalid->face = face; FT_TRACE3(( "validating `lcar' table\n" )); GXV_INIT; @@ -211,10 +211,10 @@ if ( GXV_LCAR_DATA( format ) > 1 ) FT_INVALID_FORMAT; - valid->lookupval_sign = GXV_LOOKUPVALUE_UNSIGNED; - valid->lookupval_func = gxv_lcar_LookupValue_validate; - valid->lookupfmt4_trans = gxv_lcar_LookupFmt4_transit; - gxv_LookupTable_validate( p, limit, valid ); + gxvalid->lookupval_sign = GXV_LOOKUPVALUE_UNSIGNED; + gxvalid->lookupval_func = gxv_lcar_LookupValue_validate; + gxvalid->lookupfmt4_trans = gxv_lcar_LookupFmt4_transit; + gxv_LookupTable_validate( p, limit, gxvalid ); FT_TRACE4(( "\n" )); } diff --git a/freetype/src/gxvalid/gxvmort.c b/freetype/src/gxvalid/gxvmort.c index c4d49b32d..55ff5a851 100644 --- a/freetype/src/gxvalid/gxvmort.c +++ b/freetype/src/gxvalid/gxvmort.c @@ -40,7 +40,7 @@ static void gxv_mort_feature_validate( GXV_mort_feature f, - GXV_Validator valid ) + GXV_Validator gxvalid ) { if ( f->featureType >= gxv_feat_registry_length ) { @@ -89,7 +89,7 @@ gxv_mort_featurearray_validate( FT_Bytes table, FT_Bytes limit, FT_ULong nFeatureFlags, - GXV_Validator valid ) + GXV_Validator gxvalid ) { FT_Bytes p = table; FT_ULong i; @@ -106,22 +106,22 @@ f.enableFlags = FT_NEXT_ULONG( p ); f.disableFlags = FT_NEXT_ULONG( p ); - gxv_mort_feature_validate( &f, valid ); + gxv_mort_feature_validate( &f, gxvalid ); } if ( !IS_GXV_MORT_FEATURE_OFF( f ) ) FT_INVALID_DATA; - valid->subtable_length = p - table; + gxvalid->subtable_length = p - table; GXV_EXIT; } FT_LOCAL_DEF( void ) gxv_mort_coverage_validate( FT_UShort coverage, - GXV_Validator valid ) + GXV_Validator gxvalid ) { - FT_UNUSED( valid ); + FT_UNUSED( gxvalid ); #ifdef FT_DEBUG_LEVEL_TRACE if ( coverage & 0x8000U ) @@ -150,7 +150,7 @@ gxv_mort_subtables_validate( FT_Bytes table, FT_Bytes limit, FT_UShort nSubtables, - GXV_Validator valid ) + GXV_Validator gxvalid ) { FT_Bytes p = table; @@ -198,7 +198,7 @@ rest = length - ( 2 + 2 + 4 ); GXV_LIMIT_CHECK( rest ); - gxv_mort_coverage_validate( coverage, valid ); + gxv_mort_coverage_validate( coverage, gxvalid ); if ( type > 5 ) FT_INVALID_FORMAT; @@ -207,13 +207,13 @@ if ( func == NULL ) GXV_TRACE(( "morx type %d is reserved\n", type )); - func( p, p + rest, valid ); + func( p, p + rest, gxvalid ); p += rest; /* TODO: validate subFeatureFlags */ } - valid->subtable_length = p - table; + gxvalid->subtable_length = p - table; GXV_EXIT; } @@ -222,7 +222,7 @@ static void gxv_mort_chain_validate( FT_Bytes table, FT_Bytes limit, - GXV_Validator valid ) + GXV_Validator gxvalid ) { FT_Bytes p = table; #ifdef GXV_LOAD_UNUSED_VARS @@ -246,10 +246,10 @@ nSubtables = FT_NEXT_USHORT( p ); gxv_mort_featurearray_validate( p, table + chainLength, - nFeatureFlags, valid ); - p += valid->subtable_length; - gxv_mort_subtables_validate( p, table + chainLength, nSubtables, valid ); - valid->subtable_length = chainLength; + nFeatureFlags, gxvalid ); + p += gxvalid->subtable_length; + gxv_mort_subtables_validate( p, table + chainLength, nSubtables, gxvalid ); + gxvalid->subtable_length = chainLength; /* TODO: validate defaultFlags */ GXV_EXIT; @@ -261,8 +261,8 @@ FT_Face face, FT_Validator ftvalid ) { - GXV_ValidatorRec validrec; - GXV_Validator valid = &validrec; + GXV_ValidatorRec gxvalidrec; + GXV_Validator gxvalid = &gxvalidrec; FT_Bytes p = table; FT_Bytes limit = 0; FT_ULong version; @@ -270,9 +270,9 @@ FT_ULong i; - valid->root = ftvalid; - valid->face = face; - limit = valid->root->limit; + gxvalid->root = ftvalid; + gxvalid->face = face; + limit = gxvalid->root->limit; FT_TRACE3(( "validating `mort' table\n" )); GXV_INIT; @@ -288,8 +288,8 @@ { GXV_TRACE(( "validating chain %d/%d\n", i + 1, nChains )); GXV_32BIT_ALIGNMENT_VALIDATE( p - table ); - gxv_mort_chain_validate( p, limit, valid ); - p += valid->subtable_length; + gxv_mort_chain_validate( p, limit, gxvalid ); + p += gxvalid->subtable_length; } FT_TRACE4(( "\n" )); diff --git a/freetype/src/gxvalid/gxvmort.h b/freetype/src/gxvalid/gxvmort.h index 1e5a1f5ab..8e62e52db 100644 --- a/freetype/src/gxvalid/gxvmort.h +++ b/freetype/src/gxvalid/gxvmort.h @@ -55,36 +55,36 @@ gxv_mort_featurearray_validate( FT_Bytes table, FT_Bytes limit, FT_ULong nFeatureFlags, - GXV_Validator valid ); + GXV_Validator gxvalid ); FT_LOCAL( void ) gxv_mort_coverage_validate( FT_UShort coverage, - GXV_Validator valid ); + GXV_Validator gxvalid ); FT_LOCAL( void ) gxv_mort_subtable_type0_validate( FT_Bytes table, FT_Bytes limit, - GXV_Validator valid ); + GXV_Validator gxvalid ); FT_LOCAL( void ) gxv_mort_subtable_type1_validate( FT_Bytes table, FT_Bytes limit, - GXV_Validator valid ); + GXV_Validator gxvalid ); FT_LOCAL( void ) gxv_mort_subtable_type2_validate( FT_Bytes table, FT_Bytes limit, - GXV_Validator valid ); + GXV_Validator gxvalid ); FT_LOCAL( void ) gxv_mort_subtable_type4_validate( FT_Bytes table, FT_Bytes limit, - GXV_Validator valid ); + GXV_Validator gxvalid ); FT_LOCAL( void ) gxv_mort_subtable_type5_validate( FT_Bytes table, FT_Bytes limit, - GXV_Validator valid ); + GXV_Validator gxvalid ); #endif /* __GXVMORT_H__ */ diff --git a/freetype/src/gxvalid/gxvmort0.c b/freetype/src/gxvalid/gxvmort0.c index b136ceda2..f19016efd 100644 --- a/freetype/src/gxvalid/gxvmort0.c +++ b/freetype/src/gxvalid/gxvmort0.c @@ -67,7 +67,7 @@ GXV_StateTable_GlyphOffsetCPtr glyphOffset_p, FT_Bytes table, FT_Bytes limit, - GXV_Validator valid ) + GXV_Validator gxvalid ) { FT_UShort markFirst; FT_UShort dontAdvance; @@ -125,7 +125,7 @@ FT_LOCAL_DEF( void ) gxv_mort_subtable_type0_validate( FT_Bytes table, FT_Bytes limit, - GXV_Validator valid ) + GXV_Validator gxvalid ) { FT_Bytes p = table; @@ -135,14 +135,14 @@ GXV_LIMIT_CHECK( GXV_STATETABLE_HEADER_SIZE ); - valid->statetable.optdata = NULL; - valid->statetable.optdata_load_func = NULL; - valid->statetable.subtable_setup_func = NULL; - valid->statetable.entry_glyphoffset_fmt = GXV_GLYPHOFFSET_NONE; - valid->statetable.entry_validate_func = + gxvalid->statetable.optdata = NULL; + gxvalid->statetable.optdata_load_func = NULL; + gxvalid->statetable.subtable_setup_func = NULL; + gxvalid->statetable.entry_glyphoffset_fmt = GXV_GLYPHOFFSET_NONE; + gxvalid->statetable.entry_validate_func = gxv_mort_subtable_type0_entry_validate; - gxv_StateTable_validate( p, limit, valid ); + gxv_StateTable_validate( p, limit, gxvalid ); GXV_EXIT; } diff --git a/freetype/src/gxvalid/gxvmort1.c b/freetype/src/gxvalid/gxvmort1.c index 1c17a5d92..0189504ed 100644 --- a/freetype/src/gxvalid/gxvmort1.c +++ b/freetype/src/gxvalid/gxvmort1.c @@ -53,12 +53,12 @@ static void gxv_mort_subtable_type1_substitutionTable_load( FT_Bytes table, FT_Bytes limit, - GXV_Validator valid ) + GXV_Validator gxvalid ) { FT_Bytes p = table; GXV_mort_subtable_type1_StateOptRecData optdata = - (GXV_mort_subtable_type1_StateOptRecData)valid->statetable.optdata; + (GXV_mort_subtable_type1_StateOptRecData)gxvalid->statetable.optdata; GXV_LIMIT_CHECK( 2 ); @@ -74,14 +74,14 @@ FT_UShort* classTable_length_p, FT_UShort* stateArray_length_p, FT_UShort* entryTable_length_p, - GXV_Validator valid ) + GXV_Validator gxvalid ) { FT_UShort o[4]; FT_UShort *l[4]; FT_UShort buff[5]; GXV_mort_subtable_type1_StateOptRecData optdata = - (GXV_mort_subtable_type1_StateOptRecData)valid->statetable.optdata; + (GXV_mort_subtable_type1_StateOptRecData)gxvalid->statetable.optdata; o[0] = classTable; @@ -93,7 +93,7 @@ l[2] = entryTable_length_p; l[3] = &( optdata->substitutionTable_length ); - gxv_set_length_by_ushort_offset( o, l, buff, 4, table_size, valid ); + gxv_set_length_by_ushort_offset( o, l, buff, 4, table_size, gxvalid ); } @@ -102,7 +102,7 @@ FT_Short wordOffset, const FT_String* tag, FT_Byte state, - GXV_Validator valid ) + GXV_Validator gxvalid ) { FT_UShort substTable; FT_UShort substTable_limit; @@ -113,16 +113,16 @@ substTable = ((GXV_mort_subtable_type1_StateOptRec *) - (valid->statetable.optdata))->substitutionTable; + (gxvalid->statetable.optdata))->substitutionTable; substTable_limit = (FT_UShort)( substTable + ((GXV_mort_subtable_type1_StateOptRec *) - (valid->statetable.optdata))->substitutionTable_length ); + (gxvalid->statetable.optdata))->substitutionTable_length ); - valid->min_gid = (FT_UShort)( ( substTable - wordOffset * 2 ) / 2 ); - valid->max_gid = (FT_UShort)( ( substTable_limit - wordOffset * 2 ) / 2 ); - valid->max_gid = (FT_UShort)( FT_MAX( valid->max_gid, - valid->face->num_glyphs ) ); + gxvalid->min_gid = (FT_UShort)( ( substTable - wordOffset * 2 ) / 2 ); + gxvalid->max_gid = (FT_UShort)( ( substTable_limit - wordOffset * 2 ) / 2 ); + gxvalid->max_gid = (FT_UShort)( FT_MAX( gxvalid->max_gid, + gxvalid->face->num_glyphs ) ); /* XXX: check range? */ @@ -137,7 +137,7 @@ GXV_StateTable_GlyphOffsetCPtr glyphOffset_p, FT_Bytes table, FT_Bytes limit, - GXV_Validator valid ) + GXV_Validator gxvalid ) { #ifdef GXV_LOAD_UNUSED_VARS FT_UShort setMark; @@ -169,24 +169,24 @@ gxv_mort_subtable_type1_offset_to_subst_validate( markOffset, "markOffset", state, - valid ); + gxvalid ); gxv_mort_subtable_type1_offset_to_subst_validate( currentOffset, "currentOffset", state, - valid ); + gxvalid ); } static void gxv_mort_subtable_type1_substTable_validate( FT_Bytes table, FT_Bytes limit, - GXV_Validator valid ) + GXV_Validator gxvalid ) { FT_Bytes p = table; FT_UShort num_gids = (FT_UShort)( ((GXV_mort_subtable_type1_StateOptRec *) - (valid->statetable.optdata))->substitutionTable_length / 2 ); + (gxvalid->statetable.optdata))->substitutionTable_length / 2 ); FT_UShort i; @@ -202,11 +202,11 @@ if ( dst_gid >= 0xFFFFU ) continue; - if ( dst_gid < valid->min_gid || valid->max_gid < dst_gid ) + if ( dst_gid < gxvalid->min_gid || gxvalid->max_gid < dst_gid ) { GXV_TRACE(( "substTable include a strange gid[%d]=%d >" " out of define range (%d..%d)\n", - i, dst_gid, valid->min_gid, valid->max_gid )); + i, dst_gid, gxvalid->min_gid, gxvalid->max_gid )); GXV_SET_ERR_IF_PARANOID( FT_INVALID_GLYPH_ID ); } } @@ -223,7 +223,7 @@ FT_LOCAL_DEF( void ) gxv_mort_subtable_type1_validate( FT_Bytes table, FT_Bytes limit, - GXV_Validator valid ) + GXV_Validator gxvalid ) { FT_Bytes p = table; @@ -234,23 +234,23 @@ GXV_LIMIT_CHECK( GXV_MORT_SUBTABLE_TYPE1_HEADER_SIZE ); - valid->statetable.optdata = + gxvalid->statetable.optdata = &st_rec; - valid->statetable.optdata_load_func = + gxvalid->statetable.optdata_load_func = gxv_mort_subtable_type1_substitutionTable_load; - valid->statetable.subtable_setup_func = + gxvalid->statetable.subtable_setup_func = gxv_mort_subtable_type1_subtable_setup; - valid->statetable.entry_glyphoffset_fmt = + gxvalid->statetable.entry_glyphoffset_fmt = GXV_GLYPHOFFSET_ULONG; - valid->statetable.entry_validate_func = + gxvalid->statetable.entry_validate_func = gxv_mort_subtable_type1_entry_validate; - gxv_StateTable_validate( p, limit, valid ); + gxv_StateTable_validate( p, limit, gxvalid ); gxv_mort_subtable_type1_substTable_validate( table + st_rec.substitutionTable, table + st_rec.substitutionTable + st_rec.substitutionTable_length, - valid ); + gxvalid ); GXV_EXIT; } diff --git a/freetype/src/gxvalid/gxvmort2.c b/freetype/src/gxvalid/gxvmort2.c index 9e08fb792..099ffd48c 100644 --- a/freetype/src/gxvalid/gxvmort2.c +++ b/freetype/src/gxvalid/gxvmort2.c @@ -57,11 +57,11 @@ static void gxv_mort_subtable_type2_opttable_load( FT_Bytes table, FT_Bytes limit, - GXV_Validator valid ) + GXV_Validator gxvalid ) { - FT_Bytes p = table; + FT_Bytes p = table; GXV_mort_subtable_type2_StateOptRecData optdata = - (GXV_mort_subtable_type2_StateOptRecData)valid->statetable.optdata; + (GXV_mort_subtable_type2_StateOptRecData)gxvalid->statetable.optdata; GXV_LIMIT_CHECK( 2 + 2 + 2 ); @@ -86,14 +86,14 @@ FT_UShort *classTable_length_p, FT_UShort *stateArray_length_p, FT_UShort *entryTable_length_p, - GXV_Validator valid ) + GXV_Validator gxvalid ) { FT_UShort o[6]; FT_UShort *l[6]; FT_UShort buff[7]; GXV_mort_subtable_type2_StateOptRecData optdata = - (GXV_mort_subtable_type2_StateOptRecData)valid->statetable.optdata; + (GXV_mort_subtable_type2_StateOptRecData)gxvalid->statetable.optdata; GXV_NAME_ENTER( "subtable boundaries setup" ); @@ -111,7 +111,7 @@ l[4] = &(optdata->componentTable_length); l[5] = &(optdata->ligatureTable_length); - gxv_set_length_by_ushort_offset( o, l, buff, 6, table_size, valid ); + gxv_set_length_by_ushort_offset( o, l, buff, 6, table_size, gxvalid ); GXV_TRACE(( "classTable: offset=0x%04x length=0x%04x\n", classTable, *classTable_length_p )); @@ -137,11 +137,11 @@ gxv_mort_subtable_type2_ligActionOffset_validate( FT_Bytes table, FT_UShort ligActionOffset, - GXV_Validator valid ) + GXV_Validator gxvalid ) { /* access ligActionTable */ GXV_mort_subtable_type2_StateOptRecData optdata = - (GXV_mort_subtable_type2_StateOptRecData)valid->statetable.optdata; + (GXV_mort_subtable_type2_StateOptRecData)gxvalid->statetable.optdata; FT_Bytes lat_base = table + optdata->ligActionTable; FT_Bytes p = table + ligActionOffset; @@ -214,7 +214,7 @@ GXV_StateTable_GlyphOffsetCPtr glyphOffset_p, FT_Bytes table, FT_Bytes limit, - GXV_Validator valid ) + GXV_Validator gxvalid ) { #ifdef GXV_LOAD_UNUSED_VARS FT_UShort setComponent; @@ -236,16 +236,16 @@ if ( 0 < offset ) gxv_mort_subtable_type2_ligActionOffset_validate( table, offset, - valid ); + gxvalid ); } static void gxv_mort_subtable_type2_ligatureTable_validate( FT_Bytes table, - GXV_Validator valid ) + GXV_Validator gxvalid ) { GXV_mort_subtable_type2_StateOptRecData optdata = - (GXV_mort_subtable_type2_StateOptRecData)valid->statetable.optdata; + (GXV_mort_subtable_type2_StateOptRecData)gxvalid->statetable.optdata; FT_Bytes p = table + optdata->ligatureTable; FT_Bytes limit = table + optdata->ligatureTable @@ -264,7 +264,7 @@ GXV_LIMIT_CHECK( 2 ); lig_gid = FT_NEXT_USHORT( p ); - if ( valid->face->num_glyphs < lig_gid ) + if ( gxvalid->face->num_glyphs < lig_gid ) GXV_SET_ERR_IF_PARANOID( FT_INVALID_GLYPH_ID ); } } @@ -275,7 +275,7 @@ FT_LOCAL_DEF( void ) gxv_mort_subtable_type2_validate( FT_Bytes table, FT_Bytes limit, - GXV_Validator valid ) + GXV_Validator gxvalid ) { FT_Bytes p = table; @@ -286,23 +286,23 @@ GXV_LIMIT_CHECK( GXV_MORT_SUBTABLE_TYPE2_HEADER_SIZE ); - valid->statetable.optdata = + gxvalid->statetable.optdata = &lig_rec; - valid->statetable.optdata_load_func = + gxvalid->statetable.optdata_load_func = gxv_mort_subtable_type2_opttable_load; - valid->statetable.subtable_setup_func = + gxvalid->statetable.subtable_setup_func = gxv_mort_subtable_type2_subtable_setup; - valid->statetable.entry_glyphoffset_fmt = + gxvalid->statetable.entry_glyphoffset_fmt = GXV_GLYPHOFFSET_NONE; - valid->statetable.entry_validate_func = + gxvalid->statetable.entry_validate_func = gxv_mort_subtable_type2_entry_validate; - gxv_StateTable_validate( p, limit, valid ); + gxv_StateTable_validate( p, limit, gxvalid ); - p += valid->subtable_length; - gxv_mort_subtable_type2_ligatureTable_validate( table, valid ); + p += gxvalid->subtable_length; + gxv_mort_subtable_type2_ligatureTable_validate( table, gxvalid ); - valid->subtable_length = p - table; + gxvalid->subtable_length = p - table; GXV_EXIT; } diff --git a/freetype/src/gxvalid/gxvmort4.c b/freetype/src/gxvalid/gxvmort4.c index 83470988c..9e86af4dd 100644 --- a/freetype/src/gxvalid/gxvmort4.c +++ b/freetype/src/gxvalid/gxvmort4.c @@ -41,11 +41,11 @@ static void gxv_mort_subtable_type4_lookupval_validate( FT_UShort glyph, GXV_LookupValueCPtr value_p, - GXV_Validator valid ) + GXV_Validator gxvalid ) { FT_UNUSED( glyph ); - gxv_glyphid_validate( value_p->u, valid ); + gxv_glyphid_validate( value_p->u, gxvalid ); } /* @@ -80,7 +80,7 @@ FT_UShort relative_gindex, GXV_LookupValueCPtr base_value_p, FT_Bytes lookuptbl_limit, - GXV_Validator valid ) + GXV_Validator gxvalid ) { FT_Bytes p; FT_Bytes limit; @@ -91,7 +91,7 @@ offset = (FT_UShort)( base_value_p->u + relative_gindex * sizeof ( FT_UShort ) ); - p = valid->lookuptbl_head + offset; + p = gxvalid->lookuptbl_head + offset; limit = lookuptbl_limit; GXV_LIMIT_CHECK( 2 ); @@ -104,7 +104,7 @@ FT_LOCAL_DEF( void ) gxv_mort_subtable_type4_validate( FT_Bytes table, FT_Bytes limit, - GXV_Validator valid ) + GXV_Validator gxvalid ) { FT_Bytes p = table; @@ -112,11 +112,11 @@ GXV_NAME_ENTER( "mort chain subtable type4 " "(Non-Contextual Glyph Substitution)" ); - valid->lookupval_sign = GXV_LOOKUPVALUE_UNSIGNED; - valid->lookupval_func = gxv_mort_subtable_type4_lookupval_validate; - valid->lookupfmt4_trans = gxv_mort_subtable_type4_lookupfmt4_transit; + gxvalid->lookupval_sign = GXV_LOOKUPVALUE_UNSIGNED; + gxvalid->lookupval_func = gxv_mort_subtable_type4_lookupval_validate; + gxvalid->lookupfmt4_trans = gxv_mort_subtable_type4_lookupfmt4_transit; - gxv_LookupTable_validate( p, limit, valid ); + gxv_LookupTable_validate( p, limit, gxvalid ); GXV_EXIT; } diff --git a/freetype/src/gxvalid/gxvmort5.c b/freetype/src/gxvalid/gxvmort5.c index 32cfb0363..9498b1085 100644 --- a/freetype/src/gxvalid/gxvmort5.c +++ b/freetype/src/gxvalid/gxvmort5.c @@ -70,10 +70,10 @@ FT_UShort* classTable_length_p, FT_UShort* stateArray_length_p, FT_UShort* entryTable_length_p, - GXV_Validator valid ) + GXV_Validator gxvalid ) { GXV_mort_subtable_type5_StateOptRecData optdata = - (GXV_mort_subtable_type5_StateOptRecData)valid->statetable.optdata; + (GXV_mort_subtable_type5_StateOptRecData)gxvalid->statetable.optdata; gxv_StateTable_subtable_setup( table_size, @@ -83,7 +83,7 @@ classTable_length_p, stateArray_length_p, entryTable_length_p, - valid ); + gxvalid ); optdata->classTable = classTable; optdata->stateArray = stateArray; @@ -100,7 +100,7 @@ FT_UShort count, FT_Bytes table, FT_Bytes limit, - GXV_Validator valid ) + GXV_Validator gxvalid ) { /* * We don't know the range of insertion-glyph-list. @@ -109,7 +109,7 @@ FT_Bytes p = table + offset; GXV_mort_subtable_type5_StateOptRecData optdata = - (GXV_mort_subtable_type5_StateOptRecData)valid->statetable.optdata; + (GXV_mort_subtable_type5_StateOptRecData)gxvalid->statetable.optdata; if ( optdata->classTable < offset && offset < optdata->classTable + *(optdata->classTable_length_p) ) @@ -145,7 +145,7 @@ GXV_StateTable_GlyphOffsetCPtr glyphOffset, FT_Bytes table, FT_Bytes limit, - GXV_Validator valid ) + GXV_Validator gxvalid ) { #ifdef GXV_LOAD_UNUSED_VARS FT_Bool setMark; @@ -184,7 +184,7 @@ currentInsertCount, table, limit, - valid ); + gxvalid ); } if ( 0 != markedInsertList && 0 != markedInsertCount ) @@ -193,7 +193,7 @@ markedInsertCount, table, limit, - valid ); + gxvalid ); } } @@ -201,7 +201,7 @@ FT_LOCAL_DEF( void ) gxv_mort_subtable_type5_validate( FT_Bytes table, FT_Bytes limit, - GXV_Validator valid ) + GXV_Validator gxvalid ) { FT_Bytes p = table; @@ -213,18 +213,18 @@ GXV_LIMIT_CHECK( GXV_MORT_SUBTABLE_TYPE5_HEADER_SIZE ); - valid->statetable.optdata = + gxvalid->statetable.optdata = et; - valid->statetable.optdata_load_func = + gxvalid->statetable.optdata_load_func = NULL; - valid->statetable.subtable_setup_func = + gxvalid->statetable.subtable_setup_func = gxv_mort_subtable_type5_subtable_setup; - valid->statetable.entry_glyphoffset_fmt = + gxvalid->statetable.entry_glyphoffset_fmt = GXV_GLYPHOFFSET_ULONG; - valid->statetable.entry_validate_func = + gxvalid->statetable.entry_validate_func = gxv_mort_subtable_type5_entry_validate; - gxv_StateTable_validate( p, limit, valid ); + gxv_StateTable_validate( p, limit, gxvalid ); GXV_EXIT; } diff --git a/freetype/src/gxvalid/gxvmorx.c b/freetype/src/gxvalid/gxvmorx.c index 5ae04d321..96dba631c 100644 --- a/freetype/src/gxvalid/gxvmorx.c +++ b/freetype/src/gxvalid/gxvmorx.c @@ -42,7 +42,7 @@ gxv_morx_subtables_validate( FT_Bytes table, FT_Bytes limit, FT_UShort nSubtables, - GXV_Validator valid ) + GXV_Validator gxvalid ) { FT_Bytes p = table; @@ -93,7 +93,7 @@ /* morx coverage consists of mort_coverage & 16bit padding */ gxv_mort_coverage_validate( (FT_UShort)( ( coverage >> 16 ) | coverage ), - valid ); + gxvalid ); if ( type > 5 ) FT_INVALID_FORMAT; @@ -101,13 +101,13 @@ if ( func == NULL ) GXV_TRACE(( "morx type %d is reserved\n", type )); - func( p, p + rest, valid ); + func( p, p + rest, gxvalid ); /* TODO: subFeatureFlags should be unique in a table? */ p += rest; } - valid->subtable_length = p - table; + gxvalid->subtable_length = p - table; GXV_EXIT; } @@ -116,7 +116,7 @@ static void gxv_morx_chain_validate( FT_Bytes table, FT_Bytes limit, - GXV_Validator valid ) + GXV_Validator gxvalid ) { FT_Bytes p = table; #ifdef GXV_LOAD_UNUSED_VARS @@ -140,16 +140,16 @@ nSubtables = FT_NEXT_ULONG( p ); /* feature-array of morx is same with that of mort */ - gxv_mort_featurearray_validate( p, limit, nFeatureFlags, valid ); - p += valid->subtable_length; + gxv_mort_featurearray_validate( p, limit, nFeatureFlags, gxvalid ); + p += gxvalid->subtable_length; if ( nSubtables >= 0x10000L ) FT_INVALID_DATA; gxv_morx_subtables_validate( p, table + chainLength, - (FT_UShort)nSubtables, valid ); + (FT_UShort)nSubtables, gxvalid ); - valid->subtable_length = chainLength; + gxvalid->subtable_length = chainLength; /* TODO: defaultFlags should be compared with the flags in tables */ @@ -162,8 +162,8 @@ FT_Face face, FT_Validator ftvalid ) { - GXV_ValidatorRec validrec; - GXV_Validator valid = &validrec; + GXV_ValidatorRec gxvalidrec; + GXV_Validator gxvalid = &gxvalidrec; FT_Bytes p = table; FT_Bytes limit = 0; FT_ULong version; @@ -171,8 +171,8 @@ FT_ULong i; - valid->root = ftvalid; - valid->face = face; + gxvalid->root = ftvalid; + gxvalid->face = face; FT_TRACE3(( "validating `morx' table\n" )); GXV_INIT; @@ -188,8 +188,8 @@ { GXV_TRACE(( "validating chain %d/%d\n", i + 1, nChains )); GXV_32BIT_ALIGNMENT_VALIDATE( p - table ); - gxv_morx_chain_validate( p, limit, valid ); - p += valid->subtable_length; + gxv_morx_chain_validate( p, limit, gxvalid ); + p += gxvalid->subtable_length; } FT_TRACE4(( "\n" )); diff --git a/freetype/src/gxvalid/gxvmorx.h b/freetype/src/gxvalid/gxvmorx.h index 28c1a44f6..9ed907acd 100644 --- a/freetype/src/gxvalid/gxvmorx.h +++ b/freetype/src/gxvalid/gxvmorx.h @@ -38,27 +38,27 @@ FT_LOCAL( void ) gxv_morx_subtable_type0_validate( FT_Bytes table, FT_Bytes limit, - GXV_Validator valid ); + GXV_Validator gxvalid ); FT_LOCAL( void ) gxv_morx_subtable_type1_validate( FT_Bytes table, FT_Bytes limit, - GXV_Validator valid ); + GXV_Validator gxvalid ); FT_LOCAL( void ) gxv_morx_subtable_type2_validate( FT_Bytes table, FT_Bytes limit, - GXV_Validator valid ); + GXV_Validator gxvalid ); FT_LOCAL( void ) gxv_morx_subtable_type4_validate( FT_Bytes table, FT_Bytes limit, - GXV_Validator valid ); + GXV_Validator gxvalid ); FT_LOCAL( void ) gxv_morx_subtable_type5_validate( FT_Bytes table, FT_Bytes limit, - GXV_Validator valid ); + GXV_Validator gxvalid ); #endif /* __GXVMORX_H__ */ diff --git a/freetype/src/gxvalid/gxvmorx0.c b/freetype/src/gxvalid/gxvmorx0.c index 6a736c177..db165f4e8 100644 --- a/freetype/src/gxvalid/gxvmorx0.c +++ b/freetype/src/gxvalid/gxvmorx0.c @@ -45,7 +45,7 @@ GXV_XStateTable_GlyphOffsetCPtr glyphOffset_p, FT_Bytes table, FT_Bytes limit, - GXV_Validator valid ) + GXV_Validator gxvalid ) { #ifdef GXV_LOAD_UNUSED_VARS FT_UShort markFirst; @@ -85,7 +85,7 @@ FT_LOCAL_DEF( void ) gxv_morx_subtable_type0_validate( FT_Bytes table, FT_Bytes limit, - GXV_Validator valid ) + GXV_Validator gxvalid ) { FT_Bytes p = table; @@ -95,14 +95,14 @@ GXV_LIMIT_CHECK( GXV_STATETABLE_HEADER_SIZE ); - valid->xstatetable.optdata = NULL; - valid->xstatetable.optdata_load_func = NULL; - valid->xstatetable.subtable_setup_func = NULL; - valid->xstatetable.entry_glyphoffset_fmt = GXV_GLYPHOFFSET_NONE; - valid->xstatetable.entry_validate_func = + gxvalid->xstatetable.optdata = NULL; + gxvalid->xstatetable.optdata_load_func = NULL; + gxvalid->xstatetable.subtable_setup_func = NULL; + gxvalid->xstatetable.entry_glyphoffset_fmt = GXV_GLYPHOFFSET_NONE; + gxvalid->xstatetable.entry_validate_func = gxv_morx_subtable_type0_entry_validate; - gxv_XStateTable_validate( p, limit, valid ); + gxv_XStateTable_validate( p, limit, gxvalid ); GXV_EXIT; } diff --git a/freetype/src/gxvalid/gxvmorx1.c b/freetype/src/gxvalid/gxvmorx1.c index ce0009a16..49f53d185 100644 --- a/freetype/src/gxvalid/gxvmorx1.c +++ b/freetype/src/gxvalid/gxvmorx1.c @@ -55,12 +55,12 @@ static void gxv_morx_subtable_type1_substitutionTable_load( FT_Bytes table, FT_Bytes limit, - GXV_Validator valid ) + GXV_Validator gxvalid ) { FT_Bytes p = table; GXV_morx_subtable_type1_StateOptRecData optdata = - (GXV_morx_subtable_type1_StateOptRecData)valid->xstatetable.optdata; + (GXV_morx_subtable_type1_StateOptRecData)gxvalid->xstatetable.optdata; GXV_LIMIT_CHECK( 2 ); @@ -76,14 +76,14 @@ FT_ULong* classTable_length_p, FT_ULong* stateArray_length_p, FT_ULong* entryTable_length_p, - GXV_Validator valid ) + GXV_Validator gxvalid ) { FT_ULong o[4]; FT_ULong *l[4]; FT_ULong buff[5]; GXV_morx_subtable_type1_StateOptRecData optdata = - (GXV_morx_subtable_type1_StateOptRecData)valid->xstatetable.optdata; + (GXV_morx_subtable_type1_StateOptRecData)gxvalid->xstatetable.optdata; o[0] = classTable; @@ -95,7 +95,7 @@ l[2] = entryTable_length_p; l[3] = &(optdata->substitutionTable_length); - gxv_set_length_by_ulong_offset( o, l, buff, 4, table_size, valid ); + gxv_set_length_by_ulong_offset( o, l, buff, 4, table_size, gxvalid ); } @@ -106,7 +106,7 @@ GXV_StateTable_GlyphOffsetCPtr glyphOffset_p, FT_Bytes table, FT_Bytes limit, - GXV_Validator valid ) + GXV_Validator gxvalid ) { #ifdef GXV_LOAD_TRACE_VARS FT_UShort setMark; @@ -117,7 +117,7 @@ FT_Short currentIndex; GXV_morx_subtable_type1_StateOptRecData optdata = - (GXV_morx_subtable_type1_StateOptRecData)valid->xstatetable.optdata; + (GXV_morx_subtable_type1_StateOptRecData)gxvalid->xstatetable.optdata; FT_UNUSED( state ); FT_UNUSED( table ); @@ -159,13 +159,13 @@ static void gxv_morx_subtable_type1_LookupValue_validate( FT_UShort glyph, GXV_LookupValueCPtr value_p, - GXV_Validator valid ) + GXV_Validator gxvalid ) { FT_UNUSED( glyph ); /* for the non-debugging case */ GXV_TRACE(( "morx subtable type1 subst.: %d -> %d\n", glyph, value_p->u )); - if ( value_p->u > valid->face->num_glyphs ) + if ( value_p->u > gxvalid->face->num_glyphs ) FT_INVALID_GLYPH_ID; } @@ -175,7 +175,7 @@ FT_UShort relative_gindex, GXV_LookupValueCPtr base_value_p, FT_Bytes lookuptbl_limit, - GXV_Validator valid ) + GXV_Validator gxvalid ) { FT_Bytes p; FT_Bytes limit; @@ -186,7 +186,7 @@ offset = (FT_UShort)( base_value_p->u + relative_gindex * sizeof ( FT_UShort ) ); - p = valid->lookuptbl_head + offset; + p = gxvalid->lookuptbl_head + offset; limit = lookuptbl_limit; GXV_LIMIT_CHECK ( 2 ); @@ -202,19 +202,19 @@ static void gxv_morx_subtable_type1_substitutionTable_validate( FT_Bytes table, FT_Bytes limit, - GXV_Validator valid ) + GXV_Validator gxvalid ) { FT_Bytes p = table; FT_UShort i; GXV_morx_subtable_type1_StateOptRecData optdata = - (GXV_morx_subtable_type1_StateOptRecData)valid->xstatetable.optdata; + (GXV_morx_subtable_type1_StateOptRecData)gxvalid->xstatetable.optdata; /* TODO: calculate offset/length for each lookupTables */ - valid->lookupval_sign = GXV_LOOKUPVALUE_UNSIGNED; - valid->lookupval_func = gxv_morx_subtable_type1_LookupValue_validate; - valid->lookupfmt4_trans = gxv_morx_subtable_type1_LookupFmt4_transit; + gxvalid->lookupval_sign = GXV_LOOKUPVALUE_UNSIGNED; + gxvalid->lookupval_func = gxv_morx_subtable_type1_LookupValue_validate; + gxvalid->lookupfmt4_trans = gxv_morx_subtable_type1_LookupFmt4_transit; for ( i = 0; i < optdata->substitutionTable_num_lookupTables; i++ ) { @@ -224,7 +224,7 @@ GXV_LIMIT_CHECK( 4 ); offset = FT_NEXT_ULONG( p ); - gxv_LookupTable_validate( table + offset, limit, valid ); + gxv_LookupTable_validate( table + offset, limit, gxvalid ); } /* TODO: overlapping of lookupTables in substitutionTable */ @@ -239,7 +239,7 @@ FT_LOCAL_DEF( void ) gxv_morx_subtable_type1_validate( FT_Bytes table, FT_Bytes limit, - GXV_Validator valid ) + GXV_Validator gxvalid ) { FT_Bytes p = table; @@ -252,23 +252,23 @@ st_rec.substitutionTable_num_lookupTables = 0; - valid->xstatetable.optdata = + gxvalid->xstatetable.optdata = &st_rec; - valid->xstatetable.optdata_load_func = + gxvalid->xstatetable.optdata_load_func = gxv_morx_subtable_type1_substitutionTable_load; - valid->xstatetable.subtable_setup_func = + gxvalid->xstatetable.subtable_setup_func = gxv_morx_subtable_type1_subtable_setup; - valid->xstatetable.entry_glyphoffset_fmt = + gxvalid->xstatetable.entry_glyphoffset_fmt = GXV_GLYPHOFFSET_ULONG; - valid->xstatetable.entry_validate_func = + gxvalid->xstatetable.entry_validate_func = gxv_morx_subtable_type1_entry_validate; - gxv_XStateTable_validate( p, limit, valid ); + gxv_XStateTable_validate( p, limit, gxvalid ); gxv_morx_subtable_type1_substitutionTable_validate( table + st_rec.substitutionTable, table + st_rec.substitutionTable + st_rec.substitutionTable_length, - valid ); + gxvalid ); GXV_EXIT; } diff --git a/freetype/src/gxvalid/gxvmorx2.c b/freetype/src/gxvalid/gxvmorx2.c index 95b8ea40b..e44445d14 100644 --- a/freetype/src/gxvalid/gxvmorx2.c +++ b/freetype/src/gxvalid/gxvmorx2.c @@ -58,12 +58,12 @@ static void gxv_morx_subtable_type2_opttable_load( FT_Bytes table, FT_Bytes limit, - GXV_Validator valid ) + GXV_Validator gxvalid ) { FT_Bytes p = table; GXV_morx_subtable_type2_StateOptRecData optdata = - (GXV_morx_subtable_type2_StateOptRecData)valid->xstatetable.optdata; + (GXV_morx_subtable_type2_StateOptRecData)gxvalid->xstatetable.optdata; GXV_LIMIT_CHECK( 4 + 4 + 4 ); @@ -88,14 +88,14 @@ FT_ULong* classTable_length_p, FT_ULong* stateArray_length_p, FT_ULong* entryTable_length_p, - GXV_Validator valid ) + GXV_Validator gxvalid ) { FT_ULong o[6]; FT_ULong* l[6]; FT_ULong buff[7]; GXV_morx_subtable_type2_StateOptRecData optdata = - (GXV_morx_subtable_type2_StateOptRecData)valid->xstatetable.optdata; + (GXV_morx_subtable_type2_StateOptRecData)gxvalid->xstatetable.optdata; GXV_NAME_ENTER( "subtable boundaries setup" ); @@ -113,7 +113,7 @@ l[4] = &(optdata->componentTable_length); l[5] = &(optdata->ligatureTable_length); - gxv_set_length_by_ulong_offset( o, l, buff, 6, table_size, valid ); + gxv_set_length_by_ulong_offset( o, l, buff, 6, table_size, gxvalid ); GXV_TRACE(( "classTable: offset=0x%08x length=0x%08x\n", classTable, *classTable_length_p )); @@ -142,11 +142,11 @@ gxv_morx_subtable_type2_ligActionIndex_validate( FT_Bytes table, FT_UShort ligActionIndex, - GXV_Validator valid ) + GXV_Validator gxvalid ) { /* access ligActionTable */ GXV_morx_subtable_type2_StateOptRecData optdata = - (GXV_morx_subtable_type2_StateOptRecData)valid->xstatetable.optdata; + (GXV_morx_subtable_type2_StateOptRecData)gxvalid->xstatetable.optdata; FT_Bytes lat_base = table + optdata->ligActionTable; FT_Bytes p = lat_base + @@ -188,7 +188,7 @@ /* it is different from the location offset in mort */ if ( ( offset & 0x3FFF0000UL ) == 0x3FFF0000UL ) { /* negative offset */ - gid_limit = valid->face->num_glyphs - ( offset & 0x0000FFFFUL ); + gid_limit = gxvalid->face->num_glyphs - ( offset & 0x0000FFFFUL ); if ( gid_limit > 0 ) return; @@ -198,9 +198,9 @@ offset & 0xFFFFU )); GXV_SET_ERR_IF_PARANOID( FT_INVALID_OFFSET ); } - else if ( ( offset & 0x3FFF0000UL ) == 0x0000000UL ) + else if ( ( offset & 0x3FFF0000UL ) == 0x00000000UL ) { /* positive offset */ - if ( (FT_Long)offset < valid->face->num_glyphs ) + if ( (FT_Long)offset < gxvalid->face->num_glyphs ) return; GXV_TRACE(( "ligature action table includes" @@ -225,7 +225,7 @@ GXV_StateTable_GlyphOffsetCPtr glyphOffset_p, FT_Bytes table, FT_Bytes limit, - GXV_Validator valid ) + GXV_Validator gxvalid ) { #ifdef GXV_LOAD_UNUSED_VARS FT_UShort setComponent; @@ -253,16 +253,16 @@ if ( 0 < ligActionIndex ) gxv_morx_subtable_type2_ligActionIndex_validate( - table, ligActionIndex, valid ); + table, ligActionIndex, gxvalid ); } static void gxv_morx_subtable_type2_ligatureTable_validate( FT_Bytes table, - GXV_Validator valid ) + GXV_Validator gxvalid ) { GXV_morx_subtable_type2_StateOptRecData optdata = - (GXV_morx_subtable_type2_StateOptRecData)valid->xstatetable.optdata; + (GXV_morx_subtable_type2_StateOptRecData)gxvalid->xstatetable.optdata; FT_Bytes p = table + optdata->ligatureTable; FT_Bytes limit = table + optdata->ligatureTable @@ -281,7 +281,7 @@ GXV_LIMIT_CHECK( 2 ); lig_gid = FT_NEXT_USHORT( p ); - if ( lig_gid < valid->face->num_glyphs ) + if ( lig_gid < gxvalid->face->num_glyphs ) GXV_SET_ERR_IF_PARANOID( FT_INVALID_GLYPH_ID ); } } @@ -293,7 +293,7 @@ FT_LOCAL_DEF( void ) gxv_morx_subtable_type2_validate( FT_Bytes table, FT_Bytes limit, - GXV_Validator valid ) + GXV_Validator gxvalid ) { FT_Bytes p = table; @@ -304,23 +304,23 @@ GXV_LIMIT_CHECK( GXV_MORX_SUBTABLE_TYPE2_HEADER_SIZE ); - valid->xstatetable.optdata = + gxvalid->xstatetable.optdata = &lig_rec; - valid->xstatetable.optdata_load_func = + gxvalid->xstatetable.optdata_load_func = gxv_morx_subtable_type2_opttable_load; - valid->xstatetable.subtable_setup_func = + gxvalid->xstatetable.subtable_setup_func = gxv_morx_subtable_type2_subtable_setup; - valid->xstatetable.entry_glyphoffset_fmt = + gxvalid->xstatetable.entry_glyphoffset_fmt = GXV_GLYPHOFFSET_USHORT; - valid->xstatetable.entry_validate_func = + gxvalid->xstatetable.entry_validate_func = gxv_morx_subtable_type2_entry_validate; - gxv_XStateTable_validate( p, limit, valid ); + gxv_XStateTable_validate( p, limit, gxvalid ); #if 0 - p += valid->subtable_length; + p += gxvalid->subtable_length; #endif - gxv_morx_subtable_type2_ligatureTable_validate( table, valid ); + gxv_morx_subtable_type2_ligatureTable_validate( table, gxvalid ); GXV_EXIT; } diff --git a/freetype/src/gxvalid/gxvmorx4.c b/freetype/src/gxvalid/gxvmorx4.c index c0d2f78e3..68ab67849 100644 --- a/freetype/src/gxvalid/gxvmorx4.c +++ b/freetype/src/gxvalid/gxvmorx4.c @@ -41,12 +41,12 @@ FT_LOCAL_DEF( void ) gxv_morx_subtable_type4_validate( FT_Bytes table, FT_Bytes limit, - GXV_Validator valid ) + GXV_Validator gxvalid ) { GXV_NAME_ENTER( "morx chain subtable type4 " "(Non-Contextual Glyph Substitution)" ); - gxv_mort_subtable_type4_validate( table, limit, valid ); + gxv_mort_subtable_type4_validate( table, limit, gxvalid ); GXV_EXIT; } diff --git a/freetype/src/gxvalid/gxvmorx5.c b/freetype/src/gxvalid/gxvmorx5.c index d8cf70079..5e095dd38 100644 --- a/freetype/src/gxvalid/gxvmorx5.c +++ b/freetype/src/gxvalid/gxvmorx5.c @@ -64,12 +64,12 @@ static void gxv_morx_subtable_type5_insertionGlyphList_load( FT_Bytes table, FT_Bytes limit, - GXV_Validator valid ) + GXV_Validator gxvalid ) { FT_Bytes p = table; GXV_morx_subtable_type5_StateOptRecData optdata = - (GXV_morx_subtable_type5_StateOptRecData)valid->xstatetable.optdata; + (GXV_morx_subtable_type5_StateOptRecData)gxvalid->xstatetable.optdata; GXV_LIMIT_CHECK( 4 ); @@ -85,14 +85,14 @@ FT_ULong* classTable_length_p, FT_ULong* stateArray_length_p, FT_ULong* entryTable_length_p, - GXV_Validator valid ) + GXV_Validator gxvalid ) { FT_ULong o[4]; FT_ULong* l[4]; FT_ULong buff[5]; GXV_morx_subtable_type5_StateOptRecData optdata = - (GXV_morx_subtable_type5_StateOptRecData)valid->xstatetable.optdata; + (GXV_morx_subtable_type5_StateOptRecData)gxvalid->xstatetable.optdata; o[0] = classTable; @@ -104,7 +104,7 @@ l[2] = entryTable_length_p; l[3] = &(optdata->insertionGlyphList_length); - gxv_set_length_by_ulong_offset( o, l, buff, 4, table_size, valid ); + gxv_set_length_by_ulong_offset( o, l, buff, 4, table_size, gxvalid ); } @@ -113,9 +113,9 @@ FT_UShort count, FT_Bytes table, FT_Bytes limit, - GXV_Validator valid ) + GXV_Validator gxvalid ) { - FT_Bytes p = table + table_index * 2; + FT_Bytes p = table + table_index * 2; #ifndef GXV_LOAD_TRACE_VARS @@ -143,7 +143,7 @@ GXV_StateTable_GlyphOffsetCPtr glyphOffset_p, FT_Bytes table, FT_Bytes limit, - GXV_Validator valid ) + GXV_Validator gxvalid ) { #ifdef GXV_LOAD_UNUSED_VARS FT_Bool setMark; @@ -180,20 +180,20 @@ gxv_morx_subtable_type5_InsertList_validate( currentInsertList, currentInsertCount, table, limit, - valid ); + gxvalid ); if ( markedInsertList && 0 != markedInsertCount ) gxv_morx_subtable_type5_InsertList_validate( markedInsertList, markedInsertCount, table, limit, - valid ); + gxvalid ); } FT_LOCAL_DEF( void ) gxv_morx_subtable_type5_validate( FT_Bytes table, FT_Bytes limit, - GXV_Validator valid ) + GXV_Validator gxvalid ) { FT_Bytes p = table; @@ -205,18 +205,18 @@ GXV_LIMIT_CHECK( GXV_MORX_SUBTABLE_TYPE5_HEADER_SIZE ); - valid->xstatetable.optdata = + gxvalid->xstatetable.optdata = et; - valid->xstatetable.optdata_load_func = + gxvalid->xstatetable.optdata_load_func = gxv_morx_subtable_type5_insertionGlyphList_load; - valid->xstatetable.subtable_setup_func = + gxvalid->xstatetable.subtable_setup_func = gxv_morx_subtable_type5_subtable_setup; - valid->xstatetable.entry_glyphoffset_fmt = + gxvalid->xstatetable.entry_glyphoffset_fmt = GXV_GLYPHOFFSET_ULONG; - valid->xstatetable.entry_validate_func = + gxvalid->xstatetable.entry_validate_func = gxv_morx_subtable_type5_entry_validate; - gxv_XStateTable_validate( p, limit, valid ); + gxv_XStateTable_validate( p, limit, gxvalid ); GXV_EXIT; } diff --git a/freetype/src/gxvalid/gxvopbd.c b/freetype/src/gxvalid/gxvopbd.c index e12506094..ab0cd72bf 100644 --- a/freetype/src/gxvalid/gxvopbd.c +++ b/freetype/src/gxvalid/gxvopbd.c @@ -68,11 +68,11 @@ static void gxv_opbd_LookupValue_validate( FT_UShort glyph, GXV_LookupValueCPtr value_p, - GXV_Validator valid ) + GXV_Validator gxvalid ) { /* offset in LookupTable is measured from the head of opbd table */ - FT_Bytes p = valid->root->base + value_p->u; - FT_Bytes limit = valid->root->limit; + FT_Bytes p = gxvalid->root->base + value_p->u; + FT_Bytes limit = gxvalid->root->limit; FT_Short delta_value; int i; @@ -90,7 +90,7 @@ if ( delta_value == -1 ) continue; - gxv_ctlPoint_validate( glyph, delta_value, valid ); + gxv_ctlPoint_validate( glyph, delta_value, gxvalid ); } else /* format 0, value is distance */ continue; @@ -134,12 +134,12 @@ gxv_opbd_LookupFmt4_transit( FT_UShort relative_gindex, GXV_LookupValueCPtr base_value_p, FT_Bytes lookuptbl_limit, - GXV_Validator valid ) + GXV_Validator gxvalid ) { GXV_LookupValueDesc value; FT_UNUSED( lookuptbl_limit ); - FT_UNUSED( valid ); + FT_UNUSED( gxvalid ); /* XXX: check range? */ value.u = (FT_UShort)( base_value_p->u + @@ -162,8 +162,8 @@ FT_Face face, FT_Validator ftvalid ) { - GXV_ValidatorRec validrec; - GXV_Validator valid = &validrec; + GXV_ValidatorRec gxvalidrec; + GXV_Validator gxvalid = &gxvalidrec; GXV_opbd_DataRec opbdrec; GXV_opbd_Data opbd = &opbdrec; FT_Bytes p = table; @@ -172,9 +172,9 @@ FT_ULong version; - valid->root = ftvalid; - valid->table_data = opbd; - valid->face = face; + gxvalid->root = ftvalid; + gxvalid->table_data = opbd; + gxvalid->face = face; FT_TRACE3(( "validating `opbd' table\n" )); GXV_INIT; @@ -196,12 +196,12 @@ if ( 0x0001 < GXV_OPBD_DATA( format ) ) FT_INVALID_FORMAT; - valid->lookupval_sign = GXV_LOOKUPVALUE_UNSIGNED; - valid->lookupval_func = gxv_opbd_LookupValue_validate; - valid->lookupfmt4_trans = gxv_opbd_LookupFmt4_transit; + gxvalid->lookupval_sign = GXV_LOOKUPVALUE_UNSIGNED; + gxvalid->lookupval_func = gxv_opbd_LookupValue_validate; + gxvalid->lookupfmt4_trans = gxv_opbd_LookupFmt4_transit; - gxv_LookupTable_validate( p, limit, valid ); - p += valid->subtable_length; + gxv_LookupTable_validate( p, limit, gxvalid ); + p += gxvalid->subtable_length; if ( p > table + GXV_OPBD_DATA( valueOffset_min ) ) { diff --git a/freetype/src/gxvalid/gxvprop.c b/freetype/src/gxvalid/gxvprop.c index 0be21336f..aa5c8eed3 100644 --- a/freetype/src/gxvalid/gxvprop.c +++ b/freetype/src/gxvalid/gxvprop.c @@ -75,7 +75,7 @@ static void gxv_prop_zero_advance_validate( FT_UShort gid, - GXV_Validator valid ) + GXV_Validator gxvalid ) { FT_Face face; FT_Error error; @@ -84,7 +84,7 @@ GXV_NAME_ENTER( "zero advance" ); - face = valid->face; + face = gxvalid->face; error = FT_Load_Glyph( face, gid, @@ -109,10 +109,10 @@ static void gxv_prop_property_validate( FT_UShort property, FT_UShort glyph, - GXV_Validator valid ) + GXV_Validator gxvalid ) { if ( glyph != 0 && ( property & GXV_PROP_FLOATER ) ) - gxv_prop_zero_advance_validate( glyph, valid ); + gxv_prop_zero_advance_validate( glyph, gxvalid ); if ( property & GXV_PROP_USE_COMPLEMENTARY_BRACKET ) { @@ -145,7 +145,7 @@ else { /* The gid for complement must be the face. */ - gxv_glyphid_validate( (FT_UShort)( glyph + complement ), valid ); + gxv_glyphid_validate( (FT_UShort)( glyph + complement ), gxvalid ); } } else @@ -187,9 +187,9 @@ static void gxv_prop_LookupValue_validate( FT_UShort glyph, GXV_LookupValueCPtr value_p, - GXV_Validator valid ) + GXV_Validator gxvalid ) { - gxv_prop_property_validate( value_p->u, glyph, valid ); + gxv_prop_property_validate( value_p->u, glyph, gxvalid ); } @@ -224,7 +224,7 @@ gxv_prop_LookupFmt4_transit( FT_UShort relative_gindex, GXV_LookupValueCPtr base_value_p, FT_Bytes lookuptbl_limit, - GXV_Validator valid ) + GXV_Validator gxvalid ) { FT_Bytes p; FT_Bytes limit; @@ -234,7 +234,7 @@ /* XXX: check range? */ offset = (FT_UShort)( base_value_p->u + relative_gindex * sizeof ( FT_UShort ) ); - p = valid->lookuptbl_head + offset; + p = gxvalid->lookuptbl_head + offset; limit = lookuptbl_limit; GXV_LIMIT_CHECK ( 2 ); @@ -259,8 +259,8 @@ { FT_Bytes p = table; FT_Bytes limit = 0; - GXV_ValidatorRec validrec; - GXV_Validator valid = &validrec; + GXV_ValidatorRec gxvalidrec; + GXV_Validator gxvalid = &gxvalidrec; GXV_prop_DataRec proprec; GXV_prop_Data prop = &proprec; @@ -270,9 +270,9 @@ FT_UShort defaultProp; - valid->root = ftvalid; - valid->table_data = prop; - valid->face = face; + gxvalid->root = ftvalid; + gxvalid->table_data = prop; + gxvalid->face = face; FT_TRACE3(( "validating `prop' table\n" )); GXV_INIT; @@ -303,7 +303,7 @@ FT_INVALID_FORMAT; } - gxv_prop_property_validate( defaultProp, 0, valid ); + gxv_prop_property_validate( defaultProp, 0, gxvalid ); if ( format == 0 ) { @@ -315,11 +315,11 @@ /* format == 1 */ GXV_PROP_DATA( version ) = version; - valid->lookupval_sign = GXV_LOOKUPVALUE_UNSIGNED; - valid->lookupval_func = gxv_prop_LookupValue_validate; - valid->lookupfmt4_trans = gxv_prop_LookupFmt4_transit; + gxvalid->lookupval_sign = GXV_LOOKUPVALUE_UNSIGNED; + gxvalid->lookupval_func = gxv_prop_LookupValue_validate; + gxvalid->lookupfmt4_trans = gxv_prop_LookupFmt4_transit; - gxv_LookupTable_validate( p, limit, valid ); + gxv_LookupTable_validate( p, limit, gxvalid ); Exit: FT_TRACE4(( "\n" )); diff --git a/freetype/src/gxvalid/gxvtrak.c b/freetype/src/gxvalid/gxvtrak.c index 11fbd7ccf..3ec1a5673 100644 --- a/freetype/src/gxvalid/gxvtrak.c +++ b/freetype/src/gxvalid/gxvtrak.c @@ -93,9 +93,9 @@ gxv_trak_trackTable_validate( FT_Bytes table, FT_Bytes limit, FT_UShort nTracks, - GXV_Validator valid ) + GXV_Validator gxvalid ) { - FT_Bytes p = table; + FT_Bytes p = table; FT_Fixed track, t; FT_UShort nameIndex; @@ -122,7 +122,7 @@ if ( offset > GXV_TRAK_DATA( trackValueOffset_max ) ) GXV_TRAK_DATA( trackValueOffset_max ) = offset; - gxv_sfntName_validate( nameIndex, 256, 32767, valid ); + gxv_sfntName_validate( nameIndex, 256, 32767, gxvalid ); for ( j = i; j < nTracks; j ++ ) { @@ -134,7 +134,7 @@ } } - valid->subtable_length = p - table; + gxvalid->subtable_length = p - table; GXV_EXIT; } @@ -142,7 +142,7 @@ static void gxv_trak_trackData_validate( FT_Bytes table, FT_Bytes limit, - GXV_Validator valid ) + GXV_Validator gxvalid ) { FT_Bytes p = table; FT_UShort nTracks; @@ -164,31 +164,31 @@ gxv_odtect_add_range( table, p - table, "trackData header", odtect ); /* validate trackTable */ - gxv_trak_trackTable_validate( p, limit, nTracks, valid ); - gxv_odtect_add_range( p, valid->subtable_length, + gxv_trak_trackTable_validate( p, limit, nTracks, gxvalid ); + gxv_odtect_add_range( p, gxvalid->subtable_length, "trackTable", odtect ); /* sizeTable is array of FT_Fixed, don't check contents */ - p = valid->root->base + sizeTableOffset; + p = gxvalid->root->base + sizeTableOffset; GXV_LIMIT_CHECK( nSizes * 4 ); gxv_odtect_add_range( p, nSizes * 4, "sizeTable", odtect ); /* validate trackValueOffet */ - p = valid->root->base + GXV_TRAK_DATA( trackValueOffset_min ); + p = gxvalid->root->base + GXV_TRAK_DATA( trackValueOffset_min ); if ( limit - p < nTracks * nSizes * 2 ) GXV_TRACE(( "too short trackValue array\n" )); - p = valid->root->base + GXV_TRAK_DATA( trackValueOffset_max ); + p = gxvalid->root->base + GXV_TRAK_DATA( trackValueOffset_max ); GXV_LIMIT_CHECK( nSizes * 2 ); - gxv_odtect_add_range( valid->root->base + gxv_odtect_add_range( gxvalid->root->base + GXV_TRAK_DATA( trackValueOffset_min ), GXV_TRAK_DATA( trackValueOffset_max ) - GXV_TRAK_DATA( trackValueOffset_min ) + nSizes * 2, "trackValue array", odtect ); - gxv_odtect_validate( odtect, valid ); + gxv_odtect_validate( odtect, gxvalid ); GXV_EXIT; } @@ -210,8 +210,8 @@ FT_Bytes p = table; FT_Bytes limit = 0; - GXV_ValidatorRec validrec; - GXV_Validator valid = &validrec; + GXV_ValidatorRec gxvalidrec; + GXV_Validator gxvalid = &gxvalidrec; GXV_trak_DataRec trakrec; GXV_trak_Data trak = &trakrec; @@ -225,11 +225,11 @@ GXV_ODTECT( 3, odtect ); GXV_ODTECT_INIT( odtect ); - valid->root = ftvalid; - valid->table_data = trak; - valid->face = face; + gxvalid->root = ftvalid; + gxvalid->table_data = trak; + gxvalid->face = face; - limit = valid->root->limit; + limit = gxvalid->root->limit; FT_TRACE3(( "validating `trak' table\n" )); GXV_INIT; @@ -265,19 +265,19 @@ /* validate trackData */ if ( 0 < horizOffset ) { - gxv_trak_trackData_validate( table + horizOffset, limit, valid ); - gxv_odtect_add_range( table + horizOffset, valid->subtable_length, + gxv_trak_trackData_validate( table + horizOffset, limit, gxvalid ); + gxv_odtect_add_range( table + horizOffset, gxvalid->subtable_length, "horizJustData", odtect ); } if ( 0 < vertOffset ) { - gxv_trak_trackData_validate( table + vertOffset, limit, valid ); - gxv_odtect_add_range( table + vertOffset, valid->subtable_length, + gxv_trak_trackData_validate( table + vertOffset, limit, gxvalid ); + gxv_odtect_add_range( table + vertOffset, gxvalid->subtable_length, "vertJustData", odtect ); } - gxv_odtect_validate( odtect, valid ); + gxv_odtect_validate( odtect, gxvalid ); FT_TRACE4(( "\n" )); } diff --git a/freetype/src/gzip/ftgzip.c b/freetype/src/gzip/ftgzip.c index 57925c09b..8423516d3 100644 --- a/freetype/src/gzip/ftgzip.c +++ b/freetype/src/gzip/ftgzip.c @@ -8,7 +8,7 @@ /* parse compressed PCF fonts, as found with many X11 server */ /* distributions. */ /* */ -/* Copyright 2002-2006, 2009-2013 by */ +/* Copyright 2002-2006, 2009-2014 by */ /* David Turner, Robert Wilhelm, and Werner Lemberg. */ /* */ /* This file is part of the FreeType project, and may only be used, */ @@ -208,8 +208,8 @@ /* head[0] && head[1] are the magic numbers; */ /* head[2] is the method, and head[3] the flags */ - if ( head[0] != 0x1f || - head[1] != 0x8b || + if ( head[0] != 0x1F || + head[1] != 0x8B || head[2] != Z_DEFLATED || (head[3] & FT_GZIP_RESERVED) ) { @@ -603,10 +603,18 @@ FT_Stream source ) { FT_Error error; - FT_Memory memory = source->memory; + FT_Memory memory; FT_GZipFile zip = NULL; + if ( !stream || !source ) + { + error = FT_THROW( Invalid_Stream_Handle ); + goto Exit; + } + + memory = source->memory; + /* * check the header right now; this prevents allocating un-necessary * objects when we don't need them @@ -700,6 +708,11 @@ int err; + /* check for `input' delayed to `inflate' */ + + if ( !memory || ! output_len || !output ) + return FT_THROW( Invalid_Argument ); + /* this function is modeled after zlib's `uncompress' function */ stream.next_in = (Bytef*)input; diff --git a/freetype/src/gzip/inftrees.c b/freetype/src/gzip/inftrees.c index ef5365216..56f52b170 100644 --- a/freetype/src/gzip/inftrees.c +++ b/freetype/src/gzip/inftrees.c @@ -115,16 +115,16 @@ uIntf *v /* working area: values in order of bit length */ uInt f; /* i repeats in table every f entries */ int g; /* maximum code length */ int h; /* table level */ - register uInt i; /* counter, current code */ - register uInt j; /* counter */ - register int k; /* number of bits in current code */ + uInt i; /* counter, current code */ + uInt j; /* counter */ + int k; /* number of bits in current code */ int l; /* bits per table (returned in m) */ uInt mask; /* (1 << w) - 1, to avoid cc -O bug on HP */ - register uIntf *p; /* pointer into c[], b[], or v[] */ + uIntf *p; /* pointer into c[], b[], or v[] */ inflate_huft *q; /* points to current table */ struct inflate_huft_s r; /* table entry for structure assignment */ inflate_huft *u[BMAX]; /* table stack */ - register int w; /* bits before this table == (l * h) */ + int w; /* bits before this table == (l * h) */ uInt x[BMAX+1]; /* bit offsets, then code stack */ uIntf *xp; /* pointer into x */ int y; /* number of dummy codes added */ diff --git a/freetype/src/lzw/ftlzw.c b/freetype/src/lzw/ftlzw.c index 8bdd0b4e8..459fc81d7 100644 --- a/freetype/src/lzw/ftlzw.c +++ b/freetype/src/lzw/ftlzw.c @@ -8,7 +8,7 @@ /* be used to parse compressed PCF fonts, as found with many X11 server */ /* distributions. */ /* */ -/* Copyright 2004-2006, 2009, 2010, 2012, 2013 by */ +/* Copyright 2004-2006, 2009, 2010, 2012-2014 by */ /* Albert Chin-A-Young. */ /* */ /* Based on code in src/gzip/ftgzip.c, Copyright 2004 by */ @@ -96,8 +96,8 @@ goto Exit; /* head[0] && head[1] are the magic numbers */ - if ( head[0] != 0x1f || - head[1] != 0x9d ) + if ( head[0] != 0x1F || + head[1] != 0x9D ) error = FT_THROW( Invalid_File_Format ); Exit: @@ -349,10 +349,18 @@ FT_Stream source ) { FT_Error error; - FT_Memory memory = source->memory; + FT_Memory memory; FT_LZWFile zip = NULL; + if ( !stream || !source ) + { + error = FT_THROW( Invalid_Stream_Handle ); + goto Exit; + } + + memory = source->memory; + /* * Check the header right now; this prevents allocation of a huge * LZWFile object (400 KByte of heap memory) if not necessary. diff --git a/freetype/src/lzw/ftzopen.h b/freetype/src/lzw/ftzopen.h index 47d65b74f..6c917b561 100644 --- a/freetype/src/lzw/ftzopen.h +++ b/freetype/src/lzw/ftzopen.h @@ -41,7 +41,7 @@ #define LZW_CLEAR 256 #define LZW_FIRST 257 -#define LZW_BIT_MASK 0x1f +#define LZW_BIT_MASK 0x1F #define LZW_BLOCK_MASK 0x80 #define LZW_MASK( n ) ( ( 1U << (n) ) - 1U ) diff --git a/freetype/src/otvalid/otvbase.c b/freetype/src/otvalid/otvbase.c index d742d2dc9..4f9d2fa25 100644 --- a/freetype/src/otvalid/otvbase.c +++ b/freetype/src/otvalid/otvbase.c @@ -32,7 +32,7 @@ static void otv_BaseCoord_validate( FT_Bytes table, - OTV_Validator valid ) + OTV_Validator otvalid ) { FT_Bytes p = table; FT_UInt BaseCoordFormat; @@ -58,7 +58,7 @@ case 3: /* BaseCoordFormat3 */ OTV_LIMIT_CHECK( 2 ); /* DeviceTable */ - otv_Device_validate( table + FT_NEXT_USHORT( p ), valid ); + otv_Device_validate( table + FT_NEXT_USHORT( p ), otvalid ); break; default: @@ -71,7 +71,7 @@ static void otv_BaseTagList_validate( FT_Bytes table, - OTV_Validator valid ) + OTV_Validator otvalid ) { FT_Bytes p = table; FT_UInt BaseTagCount; @@ -93,7 +93,7 @@ static void otv_BaseValues_validate( FT_Bytes table, - OTV_Validator valid ) + OTV_Validator otvalid ) { FT_Bytes p = table; FT_UInt BaseCoordCount; @@ -112,7 +112,7 @@ /* BaseCoord */ for ( ; BaseCoordCount > 0; BaseCoordCount-- ) - otv_BaseCoord_validate( table + FT_NEXT_USHORT( p ), valid ); + otv_BaseCoord_validate( table + FT_NEXT_USHORT( p ), otvalid ); OTV_EXIT; } @@ -120,7 +120,7 @@ static void otv_MinMax_validate( FT_Bytes table, - OTV_Validator valid ) + OTV_Validator otvalid ) { FT_Bytes p = table; FT_UInt table_size; @@ -144,11 +144,11 @@ OTV_SIZE_CHECK( MinCoord ); if ( MinCoord ) - otv_BaseCoord_validate( table + MinCoord, valid ); + otv_BaseCoord_validate( table + MinCoord, otvalid ); OTV_SIZE_CHECK( MaxCoord ); if ( MaxCoord ) - otv_BaseCoord_validate( table + MaxCoord, valid ); + otv_BaseCoord_validate( table + MaxCoord, otvalid ); OTV_LIMIT_CHECK( FeatMinMaxCount * 8 ); @@ -162,11 +162,11 @@ OTV_SIZE_CHECK( MinCoord ); if ( MinCoord ) - otv_BaseCoord_validate( table + MinCoord, valid ); + otv_BaseCoord_validate( table + MinCoord, otvalid ); OTV_SIZE_CHECK( MaxCoord ); if ( MaxCoord ) - otv_BaseCoord_validate( table + MaxCoord, valid ); + otv_BaseCoord_validate( table + MaxCoord, otvalid ); } OTV_EXIT; @@ -175,7 +175,7 @@ static void otv_BaseScript_validate( FT_Bytes table, - OTV_Validator valid ) + OTV_Validator otvalid ) { FT_Bytes p = table; FT_UInt table_size; @@ -198,11 +198,11 @@ OTV_SIZE_CHECK( BaseValues ); if ( BaseValues ) - otv_BaseValues_validate( table + BaseValues, valid ); + otv_BaseValues_validate( table + BaseValues, otvalid ); OTV_SIZE_CHECK( DefaultMinMax ); if ( DefaultMinMax ) - otv_MinMax_validate( table + DefaultMinMax, valid ); + otv_MinMax_validate( table + DefaultMinMax, otvalid ); OTV_LIMIT_CHECK( BaseLangSysCount * 6 ); @@ -211,7 +211,7 @@ { p += 4; /* skip BaseLangSysTag */ - otv_MinMax_validate( table + FT_NEXT_USHORT( p ), valid ); + otv_MinMax_validate( table + FT_NEXT_USHORT( p ), otvalid ); } OTV_EXIT; @@ -220,7 +220,7 @@ static void otv_BaseScriptList_validate( FT_Bytes table, - OTV_Validator valid ) + OTV_Validator otvalid ) { FT_Bytes p = table; FT_UInt BaseScriptCount; @@ -241,7 +241,7 @@ p += 4; /* skip BaseScriptTag */ /* BaseScript */ - otv_BaseScript_validate( table + FT_NEXT_USHORT( p ), valid ); + otv_BaseScript_validate( table + FT_NEXT_USHORT( p ), otvalid ); } OTV_EXIT; @@ -250,7 +250,7 @@ static void otv_Axis_validate( FT_Bytes table, - OTV_Validator valid ) + OTV_Validator otvalid ) { FT_Bytes p = table; FT_UInt table_size; @@ -267,10 +267,10 @@ OTV_SIZE_CHECK( BaseTagList ); if ( BaseTagList ) - otv_BaseTagList_validate( table + BaseTagList, valid ); + otv_BaseTagList_validate( table + BaseTagList, otvalid ); /* BaseScriptList */ - otv_BaseScriptList_validate( table + FT_NEXT_USHORT( p ), valid ); + otv_BaseScriptList_validate( table + FT_NEXT_USHORT( p ), otvalid ); OTV_EXIT; } @@ -280,16 +280,16 @@ otv_BASE_validate( FT_Bytes table, FT_Validator ftvalid ) { - OTV_ValidatorRec validrec; - OTV_Validator valid = &validrec; - FT_Bytes p = table; + OTV_ValidatorRec otvalidrec; + OTV_Validator otvalid = &otvalidrec; + FT_Bytes p = table; FT_UInt table_size; OTV_OPTIONAL_TABLE( HorizAxis ); OTV_OPTIONAL_TABLE( VertAxis ); - valid->root = ftvalid; + otvalid->root = ftvalid; FT_TRACE3(( "validating BASE table\n" )); OTV_INIT; @@ -304,12 +304,12 @@ OTV_OPTIONAL_OFFSET( HorizAxis ); OTV_SIZE_CHECK( HorizAxis ); if ( HorizAxis ) - otv_Axis_validate( table + HorizAxis, valid ); + otv_Axis_validate( table + HorizAxis, otvalid ); OTV_OPTIONAL_OFFSET( VertAxis ); OTV_SIZE_CHECK( VertAxis ); if ( VertAxis ) - otv_Axis_validate( table + VertAxis, valid ); + otv_Axis_validate( table + VertAxis, otvalid ); FT_TRACE4(( "\n" )); } diff --git a/freetype/src/otvalid/otvcommn.c b/freetype/src/otvalid/otvcommn.c index a4f885b51..3c3de63ca 100644 --- a/freetype/src/otvalid/otvcommn.c +++ b/freetype/src/otvalid/otvcommn.c @@ -39,7 +39,7 @@ FT_LOCAL_DEF( void ) otv_Coverage_validate( FT_Bytes table, - OTV_Validator valid, + OTV_Validator otvalid, FT_Int expected_count ) { FT_Bytes p = table; @@ -74,7 +74,7 @@ gid = FT_NEXT_USHORT( p ); - if ( gid >= valid->glyph_count ) + if ( gid >= otvalid->glyph_count ) FT_INVALID_GLYPH_ID; } @@ -104,7 +104,7 @@ if ( Start > End || StartCoverageIndex != total ) FT_INVALID_DATA; - if ( End >= valid->glyph_count ) + if ( End >= otvalid->glyph_count ) FT_INVALID_GLYPH_ID; if ( n > 0 && Start <= last ) @@ -219,7 +219,7 @@ FT_LOCAL_DEF( void ) otv_ClassDef_validate( FT_Bytes table, - OTV_Validator valid ) + OTV_Validator otvalid ) { FT_Bytes p = table; FT_UInt ClassFormat; @@ -249,7 +249,7 @@ OTV_LIMIT_CHECK( GlyphCount * 2 ); /* ClassValueArray */ - if ( StartGlyph + GlyphCount - 1 >= valid->glyph_count ) + if ( StartGlyph + GlyphCount - 1 >= otvalid->glyph_count ) FT_INVALID_GLYPH_ID; } break; @@ -276,7 +276,7 @@ if ( Start > End || ( n > 0 && Start <= last ) ) FT_INVALID_DATA; - if ( End >= valid->glyph_count ) + if ( End >= otvalid->glyph_count ) FT_INVALID_GLYPH_ID; last = End; @@ -305,7 +305,7 @@ FT_LOCAL_DEF( void ) otv_Device_validate( FT_Bytes table, - OTV_Validator valid ) + OTV_Validator otvalid ) { FT_Bytes p = table; FT_UInt StartSize, EndSize, DeltaFormat, count; @@ -339,12 +339,12 @@ /*************************************************************************/ /*************************************************************************/ - /* uses valid->type_count */ - /* uses valid->type_funcs */ + /* uses otvalid->type_count */ + /* uses otvalid->type_funcs */ FT_LOCAL_DEF( void ) otv_Lookup_validate( FT_Bytes table, - OTV_Validator valid ) + OTV_Validator otvalid ) { FT_Bytes p = table; FT_UInt LookupType, SubTableCount; @@ -360,10 +360,10 @@ OTV_TRACE(( " (type %d)\n", LookupType )); - if ( LookupType == 0 || LookupType > valid->type_count ) + if ( LookupType == 0 || LookupType > otvalid->type_count ) FT_INVALID_DATA; - validate = valid->type_funcs[LookupType - 1]; + validate = otvalid->type_funcs[LookupType - 1]; OTV_TRACE(( " (SubTableCount = %d)\n", SubTableCount )); @@ -371,7 +371,7 @@ /* SubTable */ for ( ; SubTableCount > 0; SubTableCount-- ) - validate( table + FT_NEXT_USHORT( p ), valid ); + validate( table + FT_NEXT_USHORT( p ), otvalid ); OTV_EXIT; } @@ -381,7 +381,7 @@ FT_LOCAL_DEF( void ) otv_LookupList_validate( FT_Bytes table, - OTV_Validator valid ) + OTV_Validator otvalid ) { FT_Bytes p = table; FT_UInt LookupCount; @@ -396,11 +396,11 @@ OTV_LIMIT_CHECK( LookupCount * 2 ); - valid->lookup_count = LookupCount; + otvalid->lookup_count = LookupCount; /* Lookup */ for ( ; LookupCount > 0; LookupCount-- ) - otv_Lookup_validate( table + FT_NEXT_USHORT( p ), valid ); + otv_Lookup_validate( table + FT_NEXT_USHORT( p ), otvalid ); OTV_EXIT; } @@ -421,11 +421,11 @@ /*************************************************************************/ /*************************************************************************/ - /* uses valid->lookup_count */ + /* uses otvalid->lookup_count */ FT_LOCAL_DEF( void ) otv_Feature_validate( FT_Bytes table, - OTV_Validator valid ) + OTV_Validator otvalid ) { FT_Bytes p = table; FT_UInt LookupCount; @@ -443,7 +443,7 @@ /* LookupListIndex */ for ( ; LookupCount > 0; LookupCount-- ) - if ( FT_NEXT_USHORT( p ) >= valid->lookup_count ) + if ( FT_NEXT_USHORT( p ) >= otvalid->lookup_count ) FT_INVALID_DATA; OTV_EXIT; @@ -457,12 +457,12 @@ } - /* sets valid->lookup_count */ + /* sets otvalid->lookup_count */ FT_LOCAL_DEF( void ) otv_FeatureList_validate( FT_Bytes table, FT_Bytes lookups, - OTV_Validator valid ) + OTV_Validator otvalid ) { FT_Bytes p = table; FT_UInt FeatureCount; @@ -477,7 +477,7 @@ OTV_LIMIT_CHECK( FeatureCount * 2 ); - valid->lookup_count = otv_LookupList_get_count( lookups ); + otvalid->lookup_count = otv_LookupList_get_count( lookups ); /* FeatureRecord */ for ( ; FeatureCount > 0; FeatureCount-- ) @@ -485,7 +485,7 @@ p += 4; /* skip FeatureTag */ /* Feature */ - otv_Feature_validate( table + FT_NEXT_USHORT( p ), valid ); + otv_Feature_validate( table + FT_NEXT_USHORT( p ), otvalid ); } OTV_EXIT; @@ -501,11 +501,11 @@ /*************************************************************************/ - /* uses valid->extra1 (number of features) */ + /* uses otvalid->extra1 (number of features) */ FT_LOCAL_DEF( void ) otv_LangSys_validate( FT_Bytes table, - OTV_Validator valid ) + OTV_Validator otvalid ) { FT_Bytes p = table; FT_UInt ReqFeatureIndex; @@ -522,14 +522,14 @@ OTV_TRACE(( " (ReqFeatureIndex = %d)\n", ReqFeatureIndex )); OTV_TRACE(( " (FeatureCount = %d)\n", FeatureCount )); - if ( ReqFeatureIndex != 0xFFFFU && ReqFeatureIndex >= valid->extra1 ) + if ( ReqFeatureIndex != 0xFFFFU && ReqFeatureIndex >= otvalid->extra1 ) FT_INVALID_DATA; OTV_LIMIT_CHECK( FeatureCount * 2 ); /* FeatureIndex */ for ( ; FeatureCount > 0; FeatureCount-- ) - if ( FT_NEXT_USHORT( p ) >= valid->extra1 ) + if ( FT_NEXT_USHORT( p ) >= otvalid->extra1 ) FT_INVALID_DATA; OTV_EXIT; @@ -546,7 +546,7 @@ FT_LOCAL_DEF( void ) otv_Script_validate( FT_Bytes table, - OTV_Validator valid ) + OTV_Validator otvalid ) { FT_UInt DefaultLangSys, LangSysCount; FT_Bytes p = table; @@ -561,7 +561,7 @@ OTV_TRACE(( " (LangSysCount = %d)\n", LangSysCount )); if ( DefaultLangSys != 0 ) - otv_LangSys_validate( table + DefaultLangSys, valid ); + otv_LangSys_validate( table + DefaultLangSys, otvalid ); OTV_LIMIT_CHECK( LangSysCount * 6 ); @@ -571,19 +571,19 @@ p += 4; /* skip LangSysTag */ /* LangSys */ - otv_LangSys_validate( table + FT_NEXT_USHORT( p ), valid ); + otv_LangSys_validate( table + FT_NEXT_USHORT( p ), otvalid ); } OTV_EXIT; } - /* sets valid->extra1 (number of features) */ + /* sets otvalid->extra1 (number of features) */ FT_LOCAL_DEF( void ) otv_ScriptList_validate( FT_Bytes table, FT_Bytes features, - OTV_Validator valid ) + OTV_Validator otvalid ) { FT_UInt ScriptCount; FT_Bytes p = table; @@ -598,14 +598,14 @@ OTV_LIMIT_CHECK( ScriptCount * 6 ); - valid->extra1 = otv_Feature_get_count( features ); + otvalid->extra1 = otv_Feature_get_count( features ); /* ScriptRecord */ for ( ; ScriptCount > 0; ScriptCount-- ) { p += 4; /* skip ScriptTag */ - otv_Script_validate( table + FT_NEXT_USHORT( p ), valid ); /* Script */ + otv_Script_validate( table + FT_NEXT_USHORT( p ), otvalid ); /* Script */ } OTV_EXIT; @@ -640,7 +640,7 @@ FT_LOCAL_DEF( void ) otv_x_Ox( FT_Bytes table, - OTV_Validator valid ) + OTV_Validator otvalid ) { FT_Bytes p = table; FT_UInt Count; @@ -656,13 +656,13 @@ OTV_LIMIT_CHECK( Count * 2 ); - valid->nesting_level++; - func = valid->func[valid->nesting_level]; + otvalid->nesting_level++; + func = otvalid->func[otvalid->nesting_level]; for ( ; Count > 0; Count-- ) - func( table + FT_NEXT_USHORT( p ), valid ); + func( table + FT_NEXT_USHORT( p ), otvalid ); - valid->nesting_level--; + otvalid->nesting_level--; OTV_EXIT; } @@ -670,7 +670,7 @@ FT_LOCAL_DEF( void ) otv_u_C_x_Ox( FT_Bytes table, - OTV_Validator valid ) + OTV_Validator otvalid ) { FT_Bytes p = table; FT_UInt Count, Coverage; @@ -687,27 +687,27 @@ OTV_TRACE(( " (Count = %d)\n", Count )); - otv_Coverage_validate( table + Coverage, valid, Count ); + otv_Coverage_validate( table + Coverage, otvalid, Count ); OTV_LIMIT_CHECK( Count * 2 ); - valid->nesting_level++; - func = valid->func[valid->nesting_level]; + otvalid->nesting_level++; + func = otvalid->func[otvalid->nesting_level]; for ( ; Count > 0; Count-- ) - func( table + FT_NEXT_USHORT( p ), valid ); + func( table + FT_NEXT_USHORT( p ), otvalid ); - valid->nesting_level--; + otvalid->nesting_level--; OTV_EXIT; } - /* uses valid->extra1 (if > 0: array value limit) */ + /* uses otvalid->extra1 (if > 0: array value limit) */ FT_LOCAL_DEF( void ) otv_x_ux( FT_Bytes table, - OTV_Validator valid ) + OTV_Validator otvalid ) { FT_Bytes p = table; FT_UInt Count; @@ -722,10 +722,10 @@ OTV_LIMIT_CHECK( Count * 2 ); - if ( valid->extra1 ) + if ( otvalid->extra1 ) { for ( ; Count > 0; Count-- ) - if ( FT_NEXT_USHORT( p ) >= valid->extra1 ) + if ( FT_NEXT_USHORT( p ) >= otvalid->extra1 ) FT_INVALID_DATA; } @@ -736,11 +736,11 @@ /* `ux' in the function's name is not really correct since only x-1 */ /* elements are tested */ - /* uses valid->extra1 (array value limit) */ + /* uses otvalid->extra1 (array value limit) */ FT_LOCAL_DEF( void ) otv_x_y_ux_sy( FT_Bytes table, - OTV_Validator valid ) + OTV_Validator otvalid ) { FT_Bytes p = table; FT_UInt Count1, Count2; @@ -766,7 +766,7 @@ if ( FT_NEXT_USHORT( p ) >= Count1 ) FT_INVALID_DATA; - if ( FT_NEXT_USHORT( p ) >= valid->extra1 ) + if ( FT_NEXT_USHORT( p ) >= otvalid->extra1 ) FT_INVALID_DATA; } @@ -777,11 +777,11 @@ /* `uy' in the function's name is not really correct since only y-1 */ /* elements are tested */ - /* uses valid->extra1 (array value limit) */ + /* uses otvalid->extra1 (array value limit) */ FT_LOCAL_DEF( void ) otv_x_ux_y_uy_z_uz_p_sp( FT_Bytes table, - OTV_Validator valid ) + OTV_Validator otvalid ) { FT_Bytes p = table; FT_UInt BacktrackCount, InputCount, LookaheadCount; @@ -825,7 +825,7 @@ if ( FT_NEXT_USHORT( p ) >= InputCount ) FT_INVALID_DATA; - if ( FT_NEXT_USHORT( p ) >= valid->extra1 ) + if ( FT_NEXT_USHORT( p ) >= otvalid->extra1 ) FT_INVALID_DATA; } @@ -833,11 +833,11 @@ } - /* sets valid->extra1 (valid->lookup_count) */ + /* sets otvalid->extra1 (valid->lookup_count) */ FT_LOCAL_DEF( void ) otv_u_O_O_x_Onx( FT_Bytes table, - OTV_Validator valid ) + OTV_Validator otvalid ) { FT_Bytes p = table; FT_UInt Coverage, ClassDef, ClassSetCount; @@ -855,14 +855,14 @@ OTV_TRACE(( " (ClassSetCount = %d)\n", ClassSetCount )); - otv_Coverage_validate( table + Coverage, valid, -1 ); - otv_ClassDef_validate( table + ClassDef, valid ); + otv_Coverage_validate( table + Coverage, otvalid, -1 ); + otv_ClassDef_validate( table + ClassDef, otvalid ); OTV_LIMIT_CHECK( ClassSetCount * 2 ); - valid->nesting_level++; - func = valid->func[valid->nesting_level]; - valid->extra1 = valid->lookup_count; + otvalid->nesting_level++; + func = otvalid->func[otvalid->nesting_level]; + otvalid->extra1 = otvalid->lookup_count; for ( ; ClassSetCount > 0; ClassSetCount-- ) { @@ -870,20 +870,20 @@ if ( offset ) - func( table + offset, valid ); + func( table + offset, otvalid ); } - valid->nesting_level--; + otvalid->nesting_level--; OTV_EXIT; } - /* uses valid->lookup_count */ + /* uses otvalid->lookup_count */ FT_LOCAL_DEF( void ) otv_u_x_y_Ox_sy( FT_Bytes table, - OTV_Validator valid ) + OTV_Validator otvalid ) { FT_Bytes p = table; FT_UInt GlyphCount, Count, count1; @@ -903,14 +903,14 @@ OTV_LIMIT_CHECK( GlyphCount * 2 + Count * 4 ); for ( count1 = GlyphCount; count1 > 0; count1-- ) - otv_Coverage_validate( table + FT_NEXT_USHORT( p ), valid, -1 ); + otv_Coverage_validate( table + FT_NEXT_USHORT( p ), otvalid, -1 ); for ( ; Count > 0; Count-- ) { if ( FT_NEXT_USHORT( p ) >= GlyphCount ) FT_INVALID_DATA; - if ( FT_NEXT_USHORT( p ) >= valid->lookup_count ) + if ( FT_NEXT_USHORT( p ) >= otvalid->lookup_count ) FT_INVALID_DATA; } @@ -918,11 +918,11 @@ } - /* sets valid->extra1 (valid->lookup_count) */ + /* sets otvalid->extra1 (valid->lookup_count) */ FT_LOCAL_DEF( void ) otv_u_O_O_O_O_x_Onx( FT_Bytes table, - OTV_Validator valid ) + OTV_Validator otvalid ) { FT_Bytes p = table; FT_UInt Coverage; @@ -944,17 +944,17 @@ OTV_TRACE(( " (ChainClassSetCount = %d)\n", ChainClassSetCount )); - otv_Coverage_validate( table + Coverage, valid, -1 ); + otv_Coverage_validate( table + Coverage, otvalid, -1 ); - otv_ClassDef_validate( table + BacktrackClassDef, valid ); - otv_ClassDef_validate( table + InputClassDef, valid ); - otv_ClassDef_validate( table + LookaheadClassDef, valid ); + otv_ClassDef_validate( table + BacktrackClassDef, otvalid ); + otv_ClassDef_validate( table + InputClassDef, otvalid ); + otv_ClassDef_validate( table + LookaheadClassDef, otvalid ); OTV_LIMIT_CHECK( ChainClassSetCount * 2 ); - valid->nesting_level++; - func = valid->func[valid->nesting_level]; - valid->extra1 = valid->lookup_count; + otvalid->nesting_level++; + func = otvalid->func[otvalid->nesting_level]; + otvalid->extra1 = otvalid->lookup_count; for ( ; ChainClassSetCount > 0; ChainClassSetCount-- ) { @@ -962,20 +962,20 @@ if ( offset ) - func( table + offset, valid ); + func( table + offset, otvalid ); } - valid->nesting_level--; + otvalid->nesting_level--; OTV_EXIT; } - /* uses valid->lookup_count */ + /* uses otvalid->lookup_count */ FT_LOCAL_DEF( void ) otv_u_x_Ox_y_Oy_z_Oz_p_sp( FT_Bytes table, - OTV_Validator valid ) + OTV_Validator otvalid ) { FT_Bytes p = table; FT_UInt BacktrackGlyphCount, InputGlyphCount, LookaheadGlyphCount; @@ -994,7 +994,7 @@ OTV_LIMIT_CHECK( BacktrackGlyphCount * 2 + 2 ); for ( ; BacktrackGlyphCount > 0; BacktrackGlyphCount-- ) - otv_Coverage_validate( table + FT_NEXT_USHORT( p ), valid, -1 ); + otv_Coverage_validate( table + FT_NEXT_USHORT( p ), otvalid, -1 ); InputGlyphCount = FT_NEXT_USHORT( p ); @@ -1003,7 +1003,7 @@ OTV_LIMIT_CHECK( InputGlyphCount * 2 + 2 ); for ( count1 = InputGlyphCount; count1 > 0; count1-- ) - otv_Coverage_validate( table + FT_NEXT_USHORT( p ), valid, -1 ); + otv_Coverage_validate( table + FT_NEXT_USHORT( p ), otvalid, -1 ); LookaheadGlyphCount = FT_NEXT_USHORT( p ); @@ -1012,7 +1012,7 @@ OTV_LIMIT_CHECK( LookaheadGlyphCount * 2 + 2 ); for ( ; LookaheadGlyphCount > 0; LookaheadGlyphCount-- ) - otv_Coverage_validate( table + FT_NEXT_USHORT( p ), valid, -1 ); + otv_Coverage_validate( table + FT_NEXT_USHORT( p ), otvalid, -1 ); count2 = FT_NEXT_USHORT( p ); @@ -1025,7 +1025,7 @@ if ( FT_NEXT_USHORT( p ) >= InputGlyphCount ) FT_INVALID_DATA; - if ( FT_NEXT_USHORT( p ) >= valid->lookup_count ) + if ( FT_NEXT_USHORT( p ) >= otvalid->lookup_count ) FT_INVALID_DATA; } diff --git a/freetype/src/otvalid/otvcommn.h b/freetype/src/otvalid/otvcommn.h index 7c861edb5..5f7287c89 100644 --- a/freetype/src/otvalid/otvcommn.h +++ b/freetype/src/otvalid/otvcommn.h @@ -4,7 +4,7 @@ /* */ /* OpenType common tables validation (specification). */ /* */ -/* Copyright 2004, 2005, 2007, 2009 by */ +/* Copyright 2004, 2005, 2007, 2009, 2014 by */ /* David Turner, Robert Wilhelm, and Werner Lemberg. */ /* */ /* This file is part of the FreeType project, and may only be used, */ @@ -39,7 +39,7 @@ FT_BEGIN_HEADER typedef struct OTV_ValidatorRec_* OTV_Validator; typedef void (*OTV_Validate_Func)( FT_Bytes table, - OTV_Validator valid ); + OTV_Validator otvalid ); typedef struct OTV_ValidatorRec_ { @@ -67,8 +67,8 @@ FT_BEGIN_HEADER #undef FT_INVALID_ -#define FT_INVALID_( _prefix, _error ) \ - ft_validator_error( valid->root, _prefix ## _error ) +#define FT_INVALID_( _error ) \ + ft_validator_error( otvalid->root, FT_THROW( _error ) ) #define OTV_OPTIONAL_TABLE( _table ) FT_UShort _table; \ FT_Bytes _table ## _p @@ -81,7 +81,7 @@ FT_BEGIN_HEADER #define OTV_LIMIT_CHECK( _count ) \ FT_BEGIN_STMNT \ - if ( p + (_count) > valid->root->limit ) \ + if ( p + (_count) > otvalid->root->limit ) \ FT_INVALID_TOO_SHORT; \ FT_END_STMNT @@ -89,7 +89,7 @@ FT_BEGIN_HEADER FT_BEGIN_STMNT \ if ( _size > 0 && _size < table_size ) \ { \ - if ( valid->root->level == FT_VALIDATE_PARANOID ) \ + if ( otvalid->root->level == FT_VALIDATE_PARANOID ) \ FT_INVALID_OFFSET; \ else \ { \ @@ -117,79 +117,79 @@ FT_BEGIN_HEADER #ifdef FT_DEBUG_LEVEL_TRACE -#define OTV_NEST1( x ) \ - FT_BEGIN_STMNT \ - valid->nesting_level = 0; \ - valid->func[0] = OTV_FUNC( x ); \ - valid->debug_function_name[0] = OTV_NAME( x ); \ +#define OTV_NEST1( x ) \ + FT_BEGIN_STMNT \ + otvalid->nesting_level = 0; \ + otvalid->func[0] = OTV_FUNC( x ); \ + otvalid->debug_function_name[0] = OTV_NAME( x ); \ FT_END_STMNT -#define OTV_NEST2( x, y ) \ - FT_BEGIN_STMNT \ - valid->nesting_level = 0; \ - valid->func[0] = OTV_FUNC( x ); \ - valid->func[1] = OTV_FUNC( y ); \ - valid->debug_function_name[0] = OTV_NAME( x ); \ - valid->debug_function_name[1] = OTV_NAME( y ); \ +#define OTV_NEST2( x, y ) \ + FT_BEGIN_STMNT \ + otvalid->nesting_level = 0; \ + otvalid->func[0] = OTV_FUNC( x ); \ + otvalid->func[1] = OTV_FUNC( y ); \ + otvalid->debug_function_name[0] = OTV_NAME( x ); \ + otvalid->debug_function_name[1] = OTV_NAME( y ); \ FT_END_STMNT -#define OTV_NEST3( x, y, z ) \ - FT_BEGIN_STMNT \ - valid->nesting_level = 0; \ - valid->func[0] = OTV_FUNC( x ); \ - valid->func[1] = OTV_FUNC( y ); \ - valid->func[2] = OTV_FUNC( z ); \ - valid->debug_function_name[0] = OTV_NAME( x ); \ - valid->debug_function_name[1] = OTV_NAME( y ); \ - valid->debug_function_name[2] = OTV_NAME( z ); \ +#define OTV_NEST3( x, y, z ) \ + FT_BEGIN_STMNT \ + otvalid->nesting_level = 0; \ + otvalid->func[0] = OTV_FUNC( x ); \ + otvalid->func[1] = OTV_FUNC( y ); \ + otvalid->func[2] = OTV_FUNC( z ); \ + otvalid->debug_function_name[0] = OTV_NAME( x ); \ + otvalid->debug_function_name[1] = OTV_NAME( y ); \ + otvalid->debug_function_name[2] = OTV_NAME( z ); \ FT_END_STMNT -#define OTV_INIT valid->debug_indent = 0 +#define OTV_INIT otvalid->debug_indent = 0 -#define OTV_ENTER \ - FT_BEGIN_STMNT \ - valid->debug_indent += 2; \ - FT_TRACE4(( "%*.s", valid->debug_indent, 0 )); \ - FT_TRACE4(( "%s table\n", \ - valid->debug_function_name[valid->nesting_level] )); \ +#define OTV_ENTER \ + FT_BEGIN_STMNT \ + otvalid->debug_indent += 2; \ + FT_TRACE4(( "%*.s", otvalid->debug_indent, 0 )); \ + FT_TRACE4(( "%s table\n", \ + otvalid->debug_function_name[otvalid->nesting_level] )); \ FT_END_STMNT -#define OTV_NAME_ENTER( name ) \ - FT_BEGIN_STMNT \ - valid->debug_indent += 2; \ - FT_TRACE4(( "%*.s", valid->debug_indent, 0 )); \ - FT_TRACE4(( "%s table\n", name )); \ +#define OTV_NAME_ENTER( name ) \ + FT_BEGIN_STMNT \ + otvalid->debug_indent += 2; \ + FT_TRACE4(( "%*.s", otvalid->debug_indent, 0 )); \ + FT_TRACE4(( "%s table\n", name )); \ FT_END_STMNT -#define OTV_EXIT valid->debug_indent -= 2 +#define OTV_EXIT otvalid->debug_indent -= 2 -#define OTV_TRACE( s ) \ - FT_BEGIN_STMNT \ - FT_TRACE4(( "%*.s", valid->debug_indent, 0 )); \ - FT_TRACE4( s ); \ +#define OTV_TRACE( s ) \ + FT_BEGIN_STMNT \ + FT_TRACE4(( "%*.s", otvalid->debug_indent, 0 )); \ + FT_TRACE4( s ); \ FT_END_STMNT #else /* !FT_DEBUG_LEVEL_TRACE */ -#define OTV_NEST1( x ) \ - FT_BEGIN_STMNT \ - valid->nesting_level = 0; \ - valid->func[0] = OTV_FUNC( x ); \ +#define OTV_NEST1( x ) \ + FT_BEGIN_STMNT \ + otvalid->nesting_level = 0; \ + otvalid->func[0] = OTV_FUNC( x ); \ FT_END_STMNT -#define OTV_NEST2( x, y ) \ - FT_BEGIN_STMNT \ - valid->nesting_level = 0; \ - valid->func[0] = OTV_FUNC( x ); \ - valid->func[1] = OTV_FUNC( y ); \ +#define OTV_NEST2( x, y ) \ + FT_BEGIN_STMNT \ + otvalid->nesting_level = 0; \ + otvalid->func[0] = OTV_FUNC( x ); \ + otvalid->func[1] = OTV_FUNC( y ); \ FT_END_STMNT -#define OTV_NEST3( x, y, z ) \ - FT_BEGIN_STMNT \ - valid->nesting_level = 0; \ - valid->func[0] = OTV_FUNC( x ); \ - valid->func[1] = OTV_FUNC( y ); \ - valid->func[2] = OTV_FUNC( z ); \ +#define OTV_NEST3( x, y, z ) \ + FT_BEGIN_STMNT \ + otvalid->nesting_level = 0; \ + otvalid->func[0] = OTV_FUNC( x ); \ + otvalid->func[1] = OTV_FUNC( y ); \ + otvalid->func[2] = OTV_FUNC( z ); \ FT_END_STMNT #define OTV_INIT do { } while ( 0 ) @@ -202,7 +202,7 @@ FT_BEGIN_HEADER #endif /* !FT_DEBUG_LEVEL_TRACE */ -#define OTV_RUN valid->func[0] +#define OTV_RUN otvalid->func[0] /*************************************************************************/ @@ -215,7 +215,7 @@ FT_BEGIN_HEADER FT_LOCAL( void ) otv_Coverage_validate( FT_Bytes table, - OTV_Validator valid, + OTV_Validator otvalid, FT_Int expected_count ); /* return first covered glyph */ @@ -241,7 +241,7 @@ FT_BEGIN_HEADER FT_LOCAL( void ) otv_ClassDef_validate( FT_Bytes table, - OTV_Validator valid ); + OTV_Validator otvalid ); /*************************************************************************/ @@ -254,7 +254,7 @@ FT_BEGIN_HEADER FT_LOCAL( void ) otv_Device_validate( FT_Bytes table, - OTV_Validator valid ); + OTV_Validator otvalid ); /*************************************************************************/ @@ -267,11 +267,11 @@ FT_BEGIN_HEADER FT_LOCAL( void ) otv_Lookup_validate( FT_Bytes table, - OTV_Validator valid ); + OTV_Validator otvalid ); FT_LOCAL( void ) otv_LookupList_validate( FT_Bytes table, - OTV_Validator valid ); + OTV_Validator otvalid ); /*************************************************************************/ @@ -284,13 +284,13 @@ FT_BEGIN_HEADER FT_LOCAL( void ) otv_Feature_validate( FT_Bytes table, - OTV_Validator valid ); + OTV_Validator otvalid ); /* lookups must already be validated */ FT_LOCAL( void ) otv_FeatureList_validate( FT_Bytes table, FT_Bytes lookups, - OTV_Validator valid ); + OTV_Validator otvalid ); /*************************************************************************/ @@ -303,7 +303,7 @@ FT_BEGIN_HEADER FT_LOCAL( void ) otv_LangSys_validate( FT_Bytes table, - OTV_Validator valid ); + OTV_Validator otvalid ); /*************************************************************************/ @@ -316,13 +316,13 @@ FT_BEGIN_HEADER FT_LOCAL( void ) otv_Script_validate( FT_Bytes table, - OTV_Validator valid ); + OTV_Validator otvalid ); /* features must already be validated */ FT_LOCAL( void ) otv_ScriptList_validate( FT_Bytes table, FT_Bytes features, - OTV_Validator valid ); + OTV_Validator otvalid ); /*************************************************************************/ @@ -349,7 +349,7 @@ FT_BEGIN_HEADER FT_LOCAL( void ) otv_x_Ox ( FT_Bytes table, - OTV_Validator valid ); + OTV_Validator otvalid ); #define AlternateSubstFormat1Func otv_u_C_x_Ox #define ChainContextPosFormat1Func otv_u_C_x_Ox @@ -361,7 +361,7 @@ FT_BEGIN_HEADER FT_LOCAL( void ) otv_u_C_x_Ox( FT_Bytes table, - OTV_Validator valid ); + OTV_Validator otvalid ); #define AlternateSetFunc otv_x_ux #define AttachPointFunc otv_x_ux @@ -372,7 +372,7 @@ FT_BEGIN_HEADER FT_LOCAL( void ) otv_x_ux( FT_Bytes table, - OTV_Validator valid ); + OTV_Validator otvalid ); #define PosClassRuleFunc otv_x_y_ux_sy #define PosRuleFunc otv_x_y_ux_sy @@ -381,7 +381,7 @@ FT_BEGIN_HEADER FT_LOCAL( void ) otv_x_y_ux_sy( FT_Bytes table, - OTV_Validator valid ); + OTV_Validator otvalid ); #define ChainPosClassRuleFunc otv_x_ux_y_uy_z_uz_p_sp #define ChainPosRuleFunc otv_x_ux_y_uy_z_uz_p_sp @@ -390,35 +390,35 @@ FT_BEGIN_HEADER FT_LOCAL( void ) otv_x_ux_y_uy_z_uz_p_sp( FT_Bytes table, - OTV_Validator valid ); + OTV_Validator otvalid ); #define ContextPosFormat2Func otv_u_O_O_x_Onx #define ContextSubstFormat2Func otv_u_O_O_x_Onx FT_LOCAL( void ) otv_u_O_O_x_Onx( FT_Bytes table, - OTV_Validator valid ); + OTV_Validator otvalid ); #define ContextPosFormat3Func otv_u_x_y_Ox_sy #define ContextSubstFormat3Func otv_u_x_y_Ox_sy FT_LOCAL( void ) otv_u_x_y_Ox_sy( FT_Bytes table, - OTV_Validator valid ); + OTV_Validator otvalid ); #define ChainContextPosFormat2Func otv_u_O_O_O_O_x_Onx #define ChainContextSubstFormat2Func otv_u_O_O_O_O_x_Onx FT_LOCAL( void ) otv_u_O_O_O_O_x_Onx( FT_Bytes table, - OTV_Validator valid ); + OTV_Validator otvalid ); #define ChainContextPosFormat3Func otv_u_x_Ox_y_Oy_z_Oz_p_sp #define ChainContextSubstFormat3Func otv_u_x_Ox_y_Oy_z_Oz_p_sp FT_LOCAL( void ) otv_u_x_Ox_y_Oy_z_Oz_p_sp( FT_Bytes table, - OTV_Validator valid ); + OTV_Validator otvalid ); FT_LOCAL( FT_UInt ) diff --git a/freetype/src/otvalid/otvgdef.c b/freetype/src/otvalid/otvgdef.c index 3633ad0de..e60ef363d 100644 --- a/freetype/src/otvalid/otvgdef.c +++ b/freetype/src/otvalid/otvgdef.c @@ -45,7 +45,7 @@ static void otv_O_x_Ox( FT_Bytes table, - OTV_Validator valid ) + OTV_Validator otvalid ) { FT_Bytes p = table; FT_Bytes Coverage; @@ -61,20 +61,20 @@ OTV_TRACE(( " (GlyphCount = %d)\n", GlyphCount )); - otv_Coverage_validate( Coverage, valid, GlyphCount ); + otv_Coverage_validate( Coverage, otvalid, GlyphCount ); if ( GlyphCount != otv_Coverage_get_count( Coverage ) ) FT_INVALID_DATA; OTV_LIMIT_CHECK( GlyphCount * 2 ); - valid->nesting_level++; - func = valid->func[valid->nesting_level]; - valid->extra1 = 0; + otvalid->nesting_level++; + func = otvalid->func[otvalid->nesting_level]; + otvalid->extra1 = 0; for ( ; GlyphCount > 0; GlyphCount-- ) - func( table + FT_NEXT_USHORT( p ), valid ); + func( table + FT_NEXT_USHORT( p ), otvalid ); - valid->nesting_level--; + otvalid->nesting_level--; OTV_EXIT; } @@ -92,7 +92,7 @@ static void otv_CaretValue_validate( FT_Bytes table, - OTV_Validator valid ) + OTV_Validator otvalid ) { FT_Bytes p = table; FT_UInt CaretValueFormat; @@ -122,7 +122,7 @@ OTV_LIMIT_CHECK( 2 ); /* DeviceTable */ - otv_Device_validate( table + FT_NEXT_USHORT( p ), valid ); + otv_Device_validate( table + FT_NEXT_USHORT( p ), otvalid ); break; default: @@ -141,7 +141,7 @@ /*************************************************************************/ /*************************************************************************/ - /* sets valid->glyph_count */ + /* sets otvalid->glyph_count */ FT_LOCAL_DEF( void ) otv_GDEF_validate( FT_Bytes table, @@ -150,8 +150,8 @@ FT_UInt glyph_count, FT_Validator ftvalid ) { - OTV_ValidatorRec validrec; - OTV_Validator valid = &validrec; + OTV_ValidatorRec otvalidrec; + OTV_Validator otvalid = &otvalidrec; FT_Bytes p = table; FT_UInt table_size; FT_Bool need_MarkAttachClassDef; @@ -162,7 +162,7 @@ OTV_OPTIONAL_TABLE( MarkAttachClassDef ); - valid->root = ftvalid; + otvalid->root = ftvalid; FT_TRACE3(( "validating GDEF table\n" )); OTV_INIT; @@ -186,19 +186,19 @@ else table_size = 10; /* OpenType < 1.2 */ - valid->glyph_count = glyph_count; + otvalid->glyph_count = glyph_count; OTV_OPTIONAL_OFFSET( GlyphClassDef ); OTV_SIZE_CHECK( GlyphClassDef ); if ( GlyphClassDef ) - otv_ClassDef_validate( table + GlyphClassDef, valid ); + otv_ClassDef_validate( table + GlyphClassDef, otvalid ); OTV_OPTIONAL_OFFSET( AttachListOffset ); OTV_SIZE_CHECK( AttachListOffset ); if ( AttachListOffset ) { OTV_NEST2( AttachList, AttachPoint ); - OTV_RUN( table + AttachListOffset, valid ); + OTV_RUN( table + AttachListOffset, otvalid ); } OTV_OPTIONAL_OFFSET( LigCaretListOffset ); @@ -206,7 +206,7 @@ if ( LigCaretListOffset ) { OTV_NEST3( LigCaretList, LigGlyph, CaretValue ); - OTV_RUN( table + LigCaretListOffset, valid ); + OTV_RUN( table + LigCaretListOffset, otvalid ); } if ( need_MarkAttachClassDef ) @@ -214,7 +214,7 @@ OTV_OPTIONAL_OFFSET( MarkAttachClassDef ); OTV_SIZE_CHECK( MarkAttachClassDef ); if ( MarkAttachClassDef ) - otv_ClassDef_validate( table + MarkAttachClassDef, valid ); + otv_ClassDef_validate( table + MarkAttachClassDef, otvalid ); } FT_TRACE4(( "\n" )); diff --git a/freetype/src/otvalid/otvgpos.c b/freetype/src/otvalid/otvgpos.c index 49b46183a..1a9dbaaa0 100644 --- a/freetype/src/otvalid/otvgpos.c +++ b/freetype/src/otvalid/otvgpos.c @@ -57,7 +57,7 @@ static void otv_x_sxy( FT_Bytes table, - OTV_Validator valid ) + OTV_Validator otvalid ) { FT_Bytes p = table; FT_UInt Count, count1, table_size; @@ -71,26 +71,26 @@ OTV_TRACE(( " (Count = %d)\n", Count )); - OTV_LIMIT_CHECK( Count * valid->extra1 * 2 ); + OTV_LIMIT_CHECK( Count * otvalid->extra1 * 2 ); - table_size = Count * valid->extra1 * 2 + 2; + table_size = Count * otvalid->extra1 * 2 + 2; for ( ; Count > 0; Count-- ) - for ( count1 = valid->extra1; count1 > 0; count1-- ) + for ( count1 = otvalid->extra1; count1 > 0; count1-- ) { OTV_OPTIONAL_TABLE( anchor_offset ); OTV_OPTIONAL_OFFSET( anchor_offset ); - if ( valid->extra2 ) + if ( otvalid->extra2 ) { OTV_SIZE_CHECK( anchor_offset ); if ( anchor_offset ) - otv_Anchor_validate( table + anchor_offset, valid ); + otv_Anchor_validate( table + anchor_offset, otvalid ); } else - otv_Anchor_validate( table + anchor_offset, valid ); + otv_Anchor_validate( table + anchor_offset, otvalid ); } OTV_EXIT; @@ -101,11 +101,11 @@ #define MarkLigPosFormat1Func otv_u_O_O_u_O_O #define MarkMarkPosFormat1Func otv_u_O_O_u_O_O - /* sets valid->extra1 (class count) */ + /* sets otvalid->extra1 (class count) */ static void otv_u_O_O_u_O_O( FT_Bytes table, - OTV_Validator valid ) + OTV_Validator otvalid ) { FT_Bytes p = table; FT_UInt Coverage1, Coverage2, ClassCount; @@ -124,18 +124,18 @@ Array1 = FT_NEXT_USHORT( p ); Array2 = FT_NEXT_USHORT( p ); - otv_Coverage_validate( table + Coverage1, valid, -1 ); - otv_Coverage_validate( table + Coverage2, valid, -1 ); + otv_Coverage_validate( table + Coverage1, otvalid, -1 ); + otv_Coverage_validate( table + Coverage2, otvalid, -1 ); - otv_MarkArray_validate( table + Array1, valid ); + otv_MarkArray_validate( table + Array1, otvalid ); - valid->nesting_level++; - func = valid->func[valid->nesting_level]; - valid->extra1 = ClassCount; + otvalid->nesting_level++; + func = otvalid->func[otvalid->nesting_level]; + otvalid->extra1 = ClassCount; - func( table + Array2, valid ); + func( table + Array2, otvalid ); - valid->nesting_level--; + otvalid->nesting_level--; OTV_EXIT; } @@ -163,12 +163,12 @@ } - /* uses valid->extra3 (pointer to base table) */ + /* uses otvalid->extra3 (pointer to base table) */ static void otv_ValueRecord_validate( FT_Bytes table, FT_UInt format, - OTV_Validator valid ) + OTV_Validator otvalid ) { FT_Bytes p = table; FT_UInt count; @@ -222,11 +222,11 @@ /* ValueRecord is part of an array -- getting the correct table */ /* size is probably not worth the trouble */ - table_size = p - valid->extra3; + table_size = p - otvalid->extra3; OTV_SIZE_CHECK( device ); if ( device ) - otv_Device_validate( valid->extra3 + device, valid ); + otv_Device_validate( otvalid->extra3 + device, otvalid ); } format >>= 1; } @@ -245,7 +245,7 @@ static void otv_Anchor_validate( FT_Bytes table, - OTV_Validator valid ) + OTV_Validator otvalid ) { FT_Bytes p = table; FT_UInt AnchorFormat; @@ -285,11 +285,11 @@ OTV_SIZE_CHECK( XDeviceTable ); if ( XDeviceTable ) - otv_Device_validate( table + XDeviceTable, valid ); + otv_Device_validate( table + XDeviceTable, otvalid ); OTV_SIZE_CHECK( YDeviceTable ); if ( YDeviceTable ) - otv_Device_validate( table + YDeviceTable, valid ); + otv_Device_validate( table + YDeviceTable, otvalid ); } break; @@ -311,7 +311,7 @@ static void otv_MarkArray_validate( FT_Bytes table, - OTV_Validator valid ) + OTV_Validator otvalid ) { FT_Bytes p = table; FT_UInt MarkCount; @@ -331,7 +331,7 @@ { p += 2; /* skip Class */ /* MarkAnchor */ - otv_Anchor_validate( table + FT_NEXT_USHORT( p ), valid ); + otv_Anchor_validate( table + FT_NEXT_USHORT( p ), otvalid ); } OTV_EXIT; @@ -346,11 +346,11 @@ /*************************************************************************/ /*************************************************************************/ - /* sets valid->extra3 (pointer to base table) */ + /* sets otvalid->extra3 (pointer to base table) */ static void otv_SinglePos_validate( FT_Bytes table, - OTV_Validator valid ) + OTV_Validator otvalid ) { FT_Bytes p = table; FT_UInt PosFormat; @@ -363,7 +363,7 @@ OTV_TRACE(( " (format %d)\n", PosFormat )); - valid->extra3 = table; + otvalid->extra3 = table; switch ( PosFormat ) { @@ -376,8 +376,8 @@ Coverage = FT_NEXT_USHORT( p ); ValueFormat = FT_NEXT_USHORT( p ); - otv_Coverage_validate( table + Coverage, valid, -1 ); - otv_ValueRecord_validate( p, ValueFormat, valid ); /* Value */ + otv_Coverage_validate( table + Coverage, otvalid, -1 ); + otv_ValueRecord_validate( p, ValueFormat, otvalid ); /* Value */ } break; @@ -395,14 +395,14 @@ len_value = otv_value_length( ValueFormat ); - otv_Coverage_validate( table + Coverage, valid, ValueCount ); + otv_Coverage_validate( table + Coverage, otvalid, ValueCount ); OTV_LIMIT_CHECK( ValueCount * len_value ); /* Value */ for ( ; ValueCount > 0; ValueCount-- ) { - otv_ValueRecord_validate( p, ValueFormat, valid ); + otv_ValueRecord_validate( p, ValueFormat, otvalid ); p += len_value; } } @@ -428,7 +428,7 @@ otv_PairSet_validate( FT_Bytes table, FT_UInt format1, FT_UInt format2, - OTV_Validator valid ) + OTV_Validator otvalid ) { FT_Bytes p = table; FT_UInt value_len1, value_len2, PairValueCount; @@ -452,11 +452,11 @@ p += 2; /* skip SecondGlyph */ if ( format1 ) - otv_ValueRecord_validate( p, format1, valid ); /* Value1 */ + otv_ValueRecord_validate( p, format1, otvalid ); /* Value1 */ p += value_len1; if ( format2 ) - otv_ValueRecord_validate( p, format2, valid ); /* Value2 */ + otv_ValueRecord_validate( p, format2, otvalid ); /* Value2 */ p += value_len2; } @@ -464,11 +464,11 @@ } - /* sets valid->extra3 (pointer to base table) */ + /* sets otvalid->extra3 (pointer to base table) */ static void otv_PairPos_validate( FT_Bytes table, - OTV_Validator valid ) + OTV_Validator otvalid ) { FT_Bytes p = table; FT_UInt PosFormat; @@ -481,7 +481,7 @@ OTV_TRACE(( " (format %d)\n", PosFormat )); - valid->extra3 = table; + otvalid->extra3 = table; switch ( PosFormat ) { @@ -498,14 +498,14 @@ OTV_TRACE(( " (PairSetCount = %d)\n", PairSetCount )); - otv_Coverage_validate( table + Coverage, valid, -1 ); + otv_Coverage_validate( table + Coverage, otvalid, -1 ); OTV_LIMIT_CHECK( PairSetCount * 2 ); /* PairSetOffset */ for ( ; PairSetCount > 0; PairSetCount-- ) otv_PairSet_validate( table + FT_NEXT_USHORT( p ), - ValueFormat1, ValueFormat2, valid ); + ValueFormat1, ValueFormat2, otvalid ); } break; @@ -530,9 +530,9 @@ len_value1 = otv_value_length( ValueFormat1 ); len_value2 = otv_value_length( ValueFormat2 ); - otv_Coverage_validate( table + Coverage, valid, -1 ); - otv_ClassDef_validate( table + ClassDef1, valid ); - otv_ClassDef_validate( table + ClassDef2, valid ); + otv_Coverage_validate( table + Coverage, otvalid, -1 ); + otv_ClassDef_validate( table + ClassDef1, otvalid ); + otv_ClassDef_validate( table + ClassDef2, otvalid ); OTV_LIMIT_CHECK( ClassCount1 * ClassCount2 * ( len_value1 + len_value2 ) ); @@ -545,12 +545,12 @@ { if ( ValueFormat1 ) /* Value1 */ - otv_ValueRecord_validate( p, ValueFormat1, valid ); + otv_ValueRecord_validate( p, ValueFormat1, otvalid ); p += len_value1; if ( ValueFormat2 ) /* Value2 */ - otv_ValueRecord_validate( p, ValueFormat2, valid ); + otv_ValueRecord_validate( p, ValueFormat2, otvalid ); p += len_value2; } } @@ -575,7 +575,7 @@ static void otv_CursivePos_validate( FT_Bytes table, - OTV_Validator valid ) + OTV_Validator otvalid ) { FT_Bytes p = table; FT_UInt PosFormat; @@ -605,7 +605,7 @@ OTV_TRACE(( " (EntryExitCount = %d)\n", EntryExitCount )); - otv_Coverage_validate( table + Coverage, valid, EntryExitCount ); + otv_Coverage_validate( table + Coverage, otvalid, EntryExitCount ); OTV_LIMIT_CHECK( EntryExitCount * 4 ); @@ -619,11 +619,11 @@ OTV_SIZE_CHECK( EntryAnchor ); if ( EntryAnchor ) - otv_Anchor_validate( table + EntryAnchor, valid ); + otv_Anchor_validate( table + EntryAnchor, otvalid ); OTV_SIZE_CHECK( ExitAnchor ); if ( ExitAnchor ) - otv_Anchor_validate( table + ExitAnchor, valid ); + otv_Anchor_validate( table + ExitAnchor, otvalid ); } } break; @@ -647,11 +647,11 @@ /* UNDOCUMENTED (in OpenType 1.5): */ /* BaseRecord tables can contain NULL pointers. */ - /* sets valid->extra2 (1) */ + /* sets otvalid->extra2 (1) */ static void otv_MarkBasePos_validate( FT_Bytes table, - OTV_Validator valid ) + OTV_Validator otvalid ) { FT_Bytes p = table; FT_UInt PosFormat; @@ -667,9 +667,9 @@ switch ( PosFormat ) { case 1: - valid->extra2 = 1; + otvalid->extra2 = 1; OTV_NEST2( MarkBasePosFormat1, BaseArray ); - OTV_RUN( table, valid ); + OTV_RUN( table, otvalid ); break; default: @@ -688,11 +688,11 @@ /*************************************************************************/ /*************************************************************************/ - /* sets valid->extra2 (1) */ + /* sets otvalid->extra2 (1) */ static void otv_MarkLigPos_validate( FT_Bytes table, - OTV_Validator valid ) + OTV_Validator otvalid ) { FT_Bytes p = table; FT_UInt PosFormat; @@ -708,9 +708,9 @@ switch ( PosFormat ) { case 1: - valid->extra2 = 1; + otvalid->extra2 = 1; OTV_NEST3( MarkLigPosFormat1, LigatureArray, LigatureAttach ); - OTV_RUN( table, valid ); + OTV_RUN( table, otvalid ); break; default: @@ -729,11 +729,11 @@ /*************************************************************************/ /*************************************************************************/ - /* sets valid->extra2 (0) */ + /* sets otvalid->extra2 (0) */ static void otv_MarkMarkPos_validate( FT_Bytes table, - OTV_Validator valid ) + OTV_Validator otvalid ) { FT_Bytes p = table; FT_UInt PosFormat; @@ -749,9 +749,9 @@ switch ( PosFormat ) { case 1: - valid->extra2 = 0; + otvalid->extra2 = 0; OTV_NEST2( MarkMarkPosFormat1, Mark2Array ); - OTV_RUN( table, valid ); + OTV_RUN( table, otvalid ); break; default: @@ -770,11 +770,11 @@ /*************************************************************************/ /*************************************************************************/ - /* sets valid->extra1 (lookup count) */ + /* sets otvalid->extra1 (lookup count) */ static void otv_ContextPos_validate( FT_Bytes table, - OTV_Validator valid ) + OTV_Validator otvalid ) { FT_Bytes p = table; FT_UInt PosFormat; @@ -794,9 +794,9 @@ /* context rules since even invalid glyph indices/classes return */ /* meaningful results */ - valid->extra1 = valid->lookup_count; + otvalid->extra1 = otvalid->lookup_count; OTV_NEST3( ContextPosFormat1, PosRuleSet, PosRule ); - OTV_RUN( table, valid ); + OTV_RUN( table, otvalid ); break; case 2: @@ -805,12 +805,12 @@ /* meaningful results */ OTV_NEST3( ContextPosFormat2, PosClassSet, PosClassRule ); - OTV_RUN( table, valid ); + OTV_RUN( table, otvalid ); break; case 3: OTV_NEST1( ContextPosFormat3 ); - OTV_RUN( table, valid ); + OTV_RUN( table, otvalid ); break; default: @@ -829,11 +829,11 @@ /*************************************************************************/ /*************************************************************************/ - /* sets valid->extra1 (lookup count) */ + /* sets otvalid->extra1 (lookup count) */ static void otv_ChainContextPos_validate( FT_Bytes table, - OTV_Validator valid ) + OTV_Validator otvalid ) { FT_Bytes p = table; FT_UInt PosFormat; @@ -853,10 +853,10 @@ /* context rules since even invalid glyph indices/classes return */ /* meaningful results */ - valid->extra1 = valid->lookup_count; + otvalid->extra1 = otvalid->lookup_count; OTV_NEST3( ChainContextPosFormat1, ChainPosRuleSet, ChainPosRule ); - OTV_RUN( table, valid ); + OTV_RUN( table, otvalid ); break; case 2: @@ -866,12 +866,12 @@ OTV_NEST3( ChainContextPosFormat2, ChainPosClassSet, ChainPosClassRule ); - OTV_RUN( table, valid ); + OTV_RUN( table, otvalid ); break; case 3: OTV_NEST1( ChainContextPosFormat3 ); - OTV_RUN( table, valid ); + OTV_RUN( table, otvalid ); break; default: @@ -890,11 +890,11 @@ /*************************************************************************/ /*************************************************************************/ - /* uses valid->type_funcs */ + /* uses otvalid->type_funcs */ static void otv_ExtensionPos_validate( FT_Bytes table, - OTV_Validator valid ) + OTV_Validator otvalid ) { FT_Bytes p = table; FT_UInt PosFormat; @@ -923,8 +923,8 @@ if ( ExtensionLookupType == 0 || ExtensionLookupType >= 9 ) FT_INVALID_DATA; - validate = valid->type_funcs[ExtensionLookupType - 1]; - validate( table + ExtensionOffset, valid ); + validate = otvalid->type_funcs[ExtensionLookupType - 1]; + validate( table + ExtensionOffset, otvalid ); } break; @@ -950,17 +950,17 @@ }; - /* sets valid->type_count */ - /* sets valid->type_funcs */ + /* sets otvalid->type_count */ + /* sets otvalid->type_funcs */ FT_LOCAL_DEF( void ) otv_GPOS_subtable_validate( FT_Bytes table, - OTV_Validator valid ) + OTV_Validator otvalid ) { - valid->type_count = 9; - valid->type_funcs = (OTV_Validate_Func*)otv_gpos_validate_funcs; + otvalid->type_count = 9; + otvalid->type_funcs = (OTV_Validate_Func*)otv_gpos_validate_funcs; - otv_Lookup_validate( table, valid ); + otv_Lookup_validate( table, otvalid ); } @@ -972,7 +972,7 @@ /*************************************************************************/ /*************************************************************************/ - /* sets valid->glyph_count */ + /* sets otvalid->glyph_count */ FT_LOCAL_DEF( void ) otv_GPOS_validate( FT_Bytes table, @@ -980,12 +980,12 @@ FT_Validator ftvalid ) { OTV_ValidatorRec validrec; - OTV_Validator valid = &validrec; + OTV_Validator otvalid = &validrec; FT_Bytes p = table; FT_UInt ScriptList, FeatureList, LookupList; - valid->root = ftvalid; + otvalid->root = ftvalid; FT_TRACE3(( "validating GPOS table\n" )); OTV_INIT; @@ -999,16 +999,16 @@ FeatureList = FT_NEXT_USHORT( p ); LookupList = FT_NEXT_USHORT( p ); - valid->type_count = 9; - valid->type_funcs = (OTV_Validate_Func*)otv_gpos_validate_funcs; - valid->glyph_count = glyph_count; + otvalid->type_count = 9; + otvalid->type_funcs = (OTV_Validate_Func*)otv_gpos_validate_funcs; + otvalid->glyph_count = glyph_count; otv_LookupList_validate( table + LookupList, - valid ); + otvalid ); otv_FeatureList_validate( table + FeatureList, table + LookupList, - valid ); + otvalid ); otv_ScriptList_validate( table + ScriptList, table + FeatureList, - valid ); + otvalid ); FT_TRACE4(( "\n" )); } diff --git a/freetype/src/otvalid/otvgsub.c b/freetype/src/otvalid/otvgsub.c index ed499d1e9..024b8ca68 100644 --- a/freetype/src/otvalid/otvgsub.c +++ b/freetype/src/otvalid/otvgsub.c @@ -38,11 +38,11 @@ /*************************************************************************/ /*************************************************************************/ - /* uses valid->glyph_count */ + /* uses otvalid->glyph_count */ static void otv_SingleSubst_validate( FT_Bytes table, - OTV_Validator valid ) + OTV_Validator otvalid ) { FT_Bytes p = table; FT_UInt SubstFormat; @@ -68,14 +68,14 @@ Coverage = table + FT_NEXT_USHORT( p ); DeltaGlyphID = FT_NEXT_SHORT( p ); - otv_Coverage_validate( Coverage, valid, -1 ); + otv_Coverage_validate( Coverage, otvalid, -1 ); idx = otv_Coverage_get_first( Coverage ) + DeltaGlyphID; if ( idx < 0 ) FT_INVALID_DATA; idx = otv_Coverage_get_last( Coverage ) + DeltaGlyphID; - if ( (FT_UInt)idx >= valid->glyph_count ) + if ( (FT_UInt)idx >= otvalid->glyph_count ) FT_INVALID_DATA; } break; @@ -91,13 +91,13 @@ OTV_TRACE(( " (GlyphCount = %d)\n", GlyphCount )); - otv_Coverage_validate( table + Coverage, valid, GlyphCount ); + otv_Coverage_validate( table + Coverage, otvalid, GlyphCount ); OTV_LIMIT_CHECK( GlyphCount * 2 ); /* Substitute */ for ( ; GlyphCount > 0; GlyphCount-- ) - if ( FT_NEXT_USHORT( p ) >= valid->glyph_count ) + if ( FT_NEXT_USHORT( p ) >= otvalid->glyph_count ) FT_INVALID_GLYPH_ID; } break; @@ -118,11 +118,11 @@ /*************************************************************************/ /*************************************************************************/ - /* sets valid->extra1 (glyph count) */ + /* sets otvalid->extra1 (glyph count) */ static void otv_MultipleSubst_validate( FT_Bytes table, - OTV_Validator valid ) + OTV_Validator otvalid ) { FT_Bytes p = table; FT_UInt SubstFormat; @@ -138,9 +138,9 @@ switch ( SubstFormat ) { case 1: - valid->extra1 = valid->glyph_count; + otvalid->extra1 = otvalid->glyph_count; OTV_NEST2( MultipleSubstFormat1, Sequence ); - OTV_RUN( table, valid ); + OTV_RUN( table, otvalid ); break; default: @@ -159,11 +159,11 @@ /*************************************************************************/ /*************************************************************************/ - /* sets valid->extra1 (glyph count) */ + /* sets otvalid->extra1 (glyph count) */ static void otv_AlternateSubst_validate( FT_Bytes table, - OTV_Validator valid ) + OTV_Validator otvalid ) { FT_Bytes p = table; FT_UInt SubstFormat; @@ -179,9 +179,9 @@ switch ( SubstFormat ) { case 1: - valid->extra1 = valid->glyph_count; + otvalid->extra1 = otvalid->glyph_count; OTV_NEST2( AlternateSubstFormat1, AlternateSet ); - OTV_RUN( table, valid ); + OTV_RUN( table, otvalid ); break; default: @@ -202,11 +202,11 @@ #define LigatureFunc otv_Ligature_validate - /* uses valid->glyph_count */ + /* uses otvalid->glyph_count */ static void otv_Ligature_validate( FT_Bytes table, - OTV_Validator valid ) + OTV_Validator otvalid ) { FT_Bytes p = table; FT_UInt LigatureGlyph, CompCount; @@ -216,7 +216,7 @@ OTV_LIMIT_CHECK( 4 ); LigatureGlyph = FT_NEXT_USHORT( p ); - if ( LigatureGlyph >= valid->glyph_count ) + if ( LigatureGlyph >= otvalid->glyph_count ) FT_INVALID_DATA; CompCount = FT_NEXT_USHORT( p ); @@ -238,7 +238,7 @@ static void otv_LigatureSubst_validate( FT_Bytes table, - OTV_Validator valid ) + OTV_Validator otvalid ) { FT_Bytes p = table; FT_UInt SubstFormat; @@ -255,7 +255,7 @@ { case 1: OTV_NEST3( LigatureSubstFormat1, LigatureSet, Ligature ); - OTV_RUN( table, valid ); + OTV_RUN( table, otvalid ); break; default: @@ -274,11 +274,11 @@ /*************************************************************************/ /*************************************************************************/ - /* sets valid->extra1 (lookup count) */ + /* sets otvalid->extra1 (lookup count) */ static void otv_ContextSubst_validate( FT_Bytes table, - OTV_Validator valid ) + OTV_Validator otvalid ) { FT_Bytes p = table; FT_UInt SubstFormat; @@ -298,9 +298,9 @@ /* context rules since even invalid glyph indices/classes return */ /* meaningful results */ - valid->extra1 = valid->lookup_count; + otvalid->extra1 = otvalid->lookup_count; OTV_NEST3( ContextSubstFormat1, SubRuleSet, SubRule ); - OTV_RUN( table, valid ); + OTV_RUN( table, otvalid ); break; case 2: @@ -309,12 +309,12 @@ /* meaningful results */ OTV_NEST3( ContextSubstFormat2, SubClassSet, SubClassRule ); - OTV_RUN( table, valid ); + OTV_RUN( table, otvalid ); break; case 3: OTV_NEST1( ContextSubstFormat3 ); - OTV_RUN( table, valid ); + OTV_RUN( table, otvalid ); break; default: @@ -333,11 +333,11 @@ /*************************************************************************/ /*************************************************************************/ - /* sets valid->extra1 (lookup count) */ + /* sets otvalid->extra1 (lookup count) */ static void otv_ChainContextSubst_validate( FT_Bytes table, - OTV_Validator valid ) + OTV_Validator otvalid ) { FT_Bytes p = table; FT_UInt SubstFormat; @@ -357,10 +357,10 @@ /* context rules since even invalid glyph indices/classes return */ /* meaningful results */ - valid->extra1 = valid->lookup_count; + otvalid->extra1 = otvalid->lookup_count; OTV_NEST3( ChainContextSubstFormat1, ChainSubRuleSet, ChainSubRule ); - OTV_RUN( table, valid ); + OTV_RUN( table, otvalid ); break; case 2: @@ -370,12 +370,12 @@ OTV_NEST3( ChainContextSubstFormat2, ChainSubClassSet, ChainSubClassRule ); - OTV_RUN( table, valid ); + OTV_RUN( table, otvalid ); break; case 3: OTV_NEST1( ChainContextSubstFormat3 ); - OTV_RUN( table, valid ); + OTV_RUN( table, otvalid ); break; default: @@ -394,11 +394,11 @@ /*************************************************************************/ /*************************************************************************/ - /* uses valid->type_funcs */ + /* uses otvalid->type_funcs */ static void otv_ExtensionSubst_validate( FT_Bytes table, - OTV_Validator valid ) + OTV_Validator otvalid ) { FT_Bytes p = table; FT_UInt SubstFormat; @@ -429,8 +429,8 @@ ExtensionLookupType > 8 ) FT_INVALID_DATA; - validate = valid->type_funcs[ExtensionLookupType - 1]; - validate( table + ExtensionOffset, valid ); + validate = otvalid->type_funcs[ExtensionLookupType - 1]; + validate( table + ExtensionOffset, otvalid ); } break; @@ -450,11 +450,11 @@ /*************************************************************************/ /*************************************************************************/ - /* uses valid->glyph_count */ + /* uses otvalid->glyph_count */ static void otv_ReverseChainSingleSubst_validate( FT_Bytes table, - OTV_Validator valid ) + OTV_Validator otvalid ) { FT_Bytes p = table, Coverage; FT_UInt SubstFormat; @@ -477,12 +477,12 @@ OTV_TRACE(( " (BacktrackGlyphCount = %d)\n", BacktrackGlyphCount )); - otv_Coverage_validate( Coverage, valid, -1 ); + otv_Coverage_validate( Coverage, otvalid, -1 ); OTV_LIMIT_CHECK( BacktrackGlyphCount * 2 + 2 ); for ( ; BacktrackGlyphCount > 0; BacktrackGlyphCount-- ) - otv_Coverage_validate( table + FT_NEXT_USHORT( p ), valid, -1 ); + otv_Coverage_validate( table + FT_NEXT_USHORT( p ), otvalid, -1 ); LookaheadGlyphCount = FT_NEXT_USHORT( p ); @@ -491,7 +491,7 @@ OTV_LIMIT_CHECK( LookaheadGlyphCount * 2 + 2 ); for ( ; LookaheadGlyphCount > 0; LookaheadGlyphCount-- ) - otv_Coverage_validate( table + FT_NEXT_USHORT( p ), valid, -1 ); + otv_Coverage_validate( table + FT_NEXT_USHORT( p ), otvalid, -1 ); GlyphCount = FT_NEXT_USHORT( p ); @@ -504,7 +504,7 @@ /* Substitute */ for ( ; GlyphCount > 0; GlyphCount-- ) - if ( FT_NEXT_USHORT( p ) >= valid->glyph_count ) + if ( FT_NEXT_USHORT( p ) >= otvalid->glyph_count ) FT_INVALID_DATA; break; @@ -538,22 +538,22 @@ /*************************************************************************/ /*************************************************************************/ - /* sets valid->type_count */ - /* sets valid->type_funcs */ - /* sets valid->glyph_count */ + /* sets otvalid->type_count */ + /* sets otvalid->type_funcs */ + /* sets otvalid->glyph_count */ FT_LOCAL_DEF( void ) otv_GSUB_validate( FT_Bytes table, FT_UInt glyph_count, FT_Validator ftvalid ) { - OTV_ValidatorRec validrec; - OTV_Validator valid = &validrec; - FT_Bytes p = table; + OTV_ValidatorRec otvalidrec; + OTV_Validator otvalid = &otvalidrec; + FT_Bytes p = table; FT_UInt ScriptList, FeatureList, LookupList; - valid->root = ftvalid; + otvalid->root = ftvalid; FT_TRACE3(( "validating GSUB table\n" )); OTV_INIT; @@ -567,16 +567,16 @@ FeatureList = FT_NEXT_USHORT( p ); LookupList = FT_NEXT_USHORT( p ); - valid->type_count = 8; - valid->type_funcs = (OTV_Validate_Func*)otv_gsub_validate_funcs; - valid->glyph_count = glyph_count; + otvalid->type_count = 8; + otvalid->type_funcs = (OTV_Validate_Func*)otv_gsub_validate_funcs; + otvalid->glyph_count = glyph_count; otv_LookupList_validate( table + LookupList, - valid ); + otvalid ); otv_FeatureList_validate( table + FeatureList, table + LookupList, - valid ); + otvalid ); otv_ScriptList_validate( table + ScriptList, table + FeatureList, - valid ); + otvalid ); FT_TRACE4(( "\n" )); } diff --git a/freetype/src/otvalid/otvjstf.c b/freetype/src/otvalid/otvjstf.c index a616a2343..f273be8bb 100644 --- a/freetype/src/otvalid/otvjstf.c +++ b/freetype/src/otvalid/otvjstf.c @@ -34,13 +34,13 @@ #define JstfPriorityFunc otv_JstfPriority_validate #define JstfLookupFunc otv_GPOS_subtable_validate - /* uses valid->extra1 (GSUB lookup count) */ - /* uses valid->extra2 (GPOS lookup count) */ - /* sets valid->extra1 (counter) */ + /* uses otvalid->extra1 (GSUB lookup count) */ + /* uses otvalid->extra2 (GPOS lookup count) */ + /* sets otvalid->extra1 (counter) */ static void otv_JstfPriority_validate( FT_Bytes table, - OTV_Validator valid ) + OTV_Validator otvalid ) { FT_Bytes p = table; FT_UInt table_size; @@ -63,34 +63,34 @@ OTV_LIMIT_CHECK( 20 ); - gsub_lookup_count = valid->extra1; - gpos_lookup_count = valid->extra2; + gsub_lookup_count = otvalid->extra1; + gpos_lookup_count = otvalid->extra2; table_size = 20; - valid->extra1 = gsub_lookup_count; + otvalid->extra1 = gsub_lookup_count; OTV_OPTIONAL_OFFSET( ShrinkageEnableGSUB ); OTV_SIZE_CHECK( ShrinkageEnableGSUB ); if ( ShrinkageEnableGSUB ) - otv_x_ux( table + ShrinkageEnableGSUB, valid ); + otv_x_ux( table + ShrinkageEnableGSUB, otvalid ); OTV_OPTIONAL_OFFSET( ShrinkageDisableGSUB ); OTV_SIZE_CHECK( ShrinkageDisableGSUB ); if ( ShrinkageDisableGSUB ) - otv_x_ux( table + ShrinkageDisableGSUB, valid ); + otv_x_ux( table + ShrinkageDisableGSUB, otvalid ); - valid->extra1 = gpos_lookup_count; + otvalid->extra1 = gpos_lookup_count; OTV_OPTIONAL_OFFSET( ShrinkageEnableGPOS ); OTV_SIZE_CHECK( ShrinkageEnableGPOS ); if ( ShrinkageEnableGPOS ) - otv_x_ux( table + ShrinkageEnableGPOS, valid ); + otv_x_ux( table + ShrinkageEnableGPOS, otvalid ); OTV_OPTIONAL_OFFSET( ShrinkageDisableGPOS ); OTV_SIZE_CHECK( ShrinkageDisableGPOS ); if ( ShrinkageDisableGPOS ) - otv_x_ux( table + ShrinkageDisableGPOS, valid ); + otv_x_ux( table + ShrinkageDisableGPOS, otvalid ); OTV_OPTIONAL_OFFSET( ShrinkageJstfMax ); OTV_SIZE_CHECK( ShrinkageJstfMax ); @@ -98,32 +98,32 @@ { /* XXX: check lookup types? */ OTV_NEST2( JstfMax, JstfLookup ); - OTV_RUN( table + ShrinkageJstfMax, valid ); + OTV_RUN( table + ShrinkageJstfMax, otvalid ); } - valid->extra1 = gsub_lookup_count; + otvalid->extra1 = gsub_lookup_count; OTV_OPTIONAL_OFFSET( ExtensionEnableGSUB ); OTV_SIZE_CHECK( ExtensionEnableGSUB ); if ( ExtensionEnableGSUB ) - otv_x_ux( table + ExtensionEnableGSUB, valid ); + otv_x_ux( table + ExtensionEnableGSUB, otvalid ); OTV_OPTIONAL_OFFSET( ExtensionDisableGSUB ); OTV_SIZE_CHECK( ExtensionDisableGSUB ); if ( ExtensionDisableGSUB ) - otv_x_ux( table + ExtensionDisableGSUB, valid ); + otv_x_ux( table + ExtensionDisableGSUB, otvalid ); - valid->extra1 = gpos_lookup_count; + otvalid->extra1 = gpos_lookup_count; OTV_OPTIONAL_OFFSET( ExtensionEnableGPOS ); OTV_SIZE_CHECK( ExtensionEnableGPOS ); if ( ExtensionEnableGPOS ) - otv_x_ux( table + ExtensionEnableGPOS, valid ); + otv_x_ux( table + ExtensionEnableGPOS, otvalid ); OTV_OPTIONAL_OFFSET( ExtensionDisableGPOS ); OTV_SIZE_CHECK( ExtensionDisableGPOS ); if ( ExtensionDisableGPOS ) - otv_x_ux( table + ExtensionDisableGPOS, valid ); + otv_x_ux( table + ExtensionDisableGPOS, otvalid ); OTV_OPTIONAL_OFFSET( ExtensionJstfMax ); OTV_SIZE_CHECK( ExtensionJstfMax ); @@ -131,22 +131,22 @@ { /* XXX: check lookup types? */ OTV_NEST2( JstfMax, JstfLookup ); - OTV_RUN( table + ExtensionJstfMax, valid ); + OTV_RUN( table + ExtensionJstfMax, otvalid ); } - valid->extra1 = gsub_lookup_count; - valid->extra2 = gpos_lookup_count; + otvalid->extra1 = gsub_lookup_count; + otvalid->extra2 = gpos_lookup_count; OTV_EXIT; } - /* sets valid->extra (glyph count) */ - /* sets valid->func1 (otv_JstfPriority_validate) */ + /* sets otvalid->extra (glyph count) */ + /* sets otvalid->func1 (otv_JstfPriority_validate) */ static void otv_JstfScript_validate( FT_Bytes table, - OTV_Validator valid ) + OTV_Validator otvalid ) { FT_Bytes p = table; FT_UInt table_size; @@ -170,16 +170,16 @@ OTV_SIZE_CHECK( ExtGlyph ); if ( ExtGlyph ) { - valid->extra1 = valid->glyph_count; + otvalid->extra1 = otvalid->glyph_count; OTV_NEST1( ExtenderGlyph ); - OTV_RUN( table + ExtGlyph, valid ); + OTV_RUN( table + ExtGlyph, otvalid ); } OTV_SIZE_CHECK( DefJstfLangSys ); if ( DefJstfLangSys ) { OTV_NEST2( JstfLangSys, JstfPriority ); - OTV_RUN( table + DefJstfLangSys, valid ); + OTV_RUN( table + DefJstfLangSys, otvalid ); } OTV_LIMIT_CHECK( 6 * JstfLangSysCount ); @@ -190,16 +190,16 @@ { p += 4; /* skip JstfLangSysTag */ - OTV_RUN( table + FT_NEXT_USHORT( p ), valid ); + OTV_RUN( table + FT_NEXT_USHORT( p ), otvalid ); } OTV_EXIT; } - /* sets valid->extra1 (GSUB lookup count) */ - /* sets valid->extra2 (GPOS lookup count) */ - /* sets valid->glyph_count */ + /* sets otvalid->extra1 (GSUB lookup count) */ + /* sets otvalid->extra2 (GPOS lookup count) */ + /* sets otvalid->glyph_count */ FT_LOCAL_DEF( void ) otv_JSTF_validate( FT_Bytes table, @@ -208,13 +208,14 @@ FT_UInt glyph_count, FT_Validator ftvalid ) { - OTV_ValidatorRec validrec; - OTV_Validator valid = &validrec; + OTV_ValidatorRec otvalidrec; + OTV_Validator otvalid = &otvalidrec; FT_Bytes p = table; FT_UInt JstfScriptCount; - valid->root = ftvalid; + otvalid->root = ftvalid; + FT_TRACE3(( "validating JSTF table\n" )); OTV_INIT; @@ -231,16 +232,16 @@ OTV_LIMIT_CHECK( JstfScriptCount * 6 ); if ( gsub ) - valid->extra1 = otv_GSUBGPOS_get_Lookup_count( gsub ); + otvalid->extra1 = otv_GSUBGPOS_get_Lookup_count( gsub ); else - valid->extra1 = 0; + otvalid->extra1 = 0; if ( gpos ) - valid->extra2 = otv_GSUBGPOS_get_Lookup_count( gpos ); + otvalid->extra2 = otv_GSUBGPOS_get_Lookup_count( gpos ); else - valid->extra2 = 0; + otvalid->extra2 = 0; - valid->glyph_count = glyph_count; + otvalid->glyph_count = glyph_count; /* JstfScriptRecord */ for ( ; JstfScriptCount > 0; JstfScriptCount-- ) @@ -248,7 +249,7 @@ p += 4; /* skip JstfScriptTag */ /* JstfScript */ - otv_JstfScript_validate( table + FT_NEXT_USHORT( p ), valid ); + otv_JstfScript_validate( table + FT_NEXT_USHORT( p ), otvalid ); } FT_TRACE4(( "\n" )); diff --git a/freetype/src/otvalid/otvmath.c b/freetype/src/otvalid/otvmath.c index 96f841f2a..d1791f8de 100644 --- a/freetype/src/otvalid/otvmath.c +++ b/freetype/src/otvalid/otvmath.c @@ -44,7 +44,7 @@ static void otv_MathConstants_validate( FT_Bytes table, - OTV_Validator valid ) + OTV_Validator otvalid ) { FT_Bytes p = table; FT_UInt i; @@ -66,7 +66,7 @@ OTV_OPTIONAL_OFFSET( DeviceTableOffset ); OTV_SIZE_CHECK( DeviceTableOffset ); if ( DeviceTableOffset ) - otv_Device_validate( table + DeviceTableOffset, valid ); + otv_Device_validate( table + DeviceTableOffset, otvalid ); } OTV_EXIT; @@ -84,7 +84,7 @@ static void otv_MathItalicsCorrectionInfo_validate( FT_Bytes table, - OTV_Validator valid, + OTV_Validator otvalid, FT_Int isItalic ) { FT_Bytes p = table; @@ -108,7 +108,7 @@ table_size = 4 + 4 * cnt; OTV_SIZE_CHECK( Coverage ); - otv_Coverage_validate( table + Coverage, valid, cnt ); + otv_Coverage_validate( table + Coverage, otvalid, cnt ); for ( i = 0; i < cnt; ++i ) { @@ -116,7 +116,7 @@ OTV_OPTIONAL_OFFSET( DeviceTableOffset ); OTV_SIZE_CHECK( DeviceTableOffset ); if ( DeviceTableOffset ) - otv_Device_validate( table + DeviceTableOffset, valid ); + otv_Device_validate( table + DeviceTableOffset, otvalid ); } OTV_EXIT; @@ -133,7 +133,7 @@ static void otv_MathKern_validate( FT_Bytes table, - OTV_Validator valid ) + OTV_Validator otvalid ) { FT_Bytes p = table; FT_UInt i, cnt, table_size; @@ -157,7 +157,7 @@ OTV_OPTIONAL_OFFSET( DeviceTableOffset ); OTV_SIZE_CHECK( DeviceTableOffset ); if ( DeviceTableOffset ) - otv_Device_validate( table + DeviceTableOffset, valid ); + otv_Device_validate( table + DeviceTableOffset, otvalid ); } /* One more Kerning value */ @@ -167,7 +167,7 @@ OTV_OPTIONAL_OFFSET( DeviceTableOffset ); OTV_SIZE_CHECK( DeviceTableOffset ); if ( DeviceTableOffset ) - otv_Device_validate( table + DeviceTableOffset, valid ); + otv_Device_validate( table + DeviceTableOffset, otvalid ); } OTV_EXIT; @@ -176,7 +176,7 @@ static void otv_MathKernInfo_validate( FT_Bytes table, - OTV_Validator valid ) + OTV_Validator otvalid ) { FT_Bytes p = table; FT_UInt i, j, cnt, table_size; @@ -196,7 +196,7 @@ table_size = 4 + 8 * cnt; OTV_SIZE_CHECK( Coverage ); - otv_Coverage_validate( table + Coverage, valid, cnt ); + otv_Coverage_validate( table + Coverage, otvalid, cnt ); for ( i = 0; i < cnt; ++i ) { @@ -205,7 +205,7 @@ OTV_OPTIONAL_OFFSET( MKRecordOffset ); OTV_SIZE_CHECK( MKRecordOffset ); if ( MKRecordOffset ) - otv_MathKern_validate( table + MKRecordOffset, valid ); + otv_MathKern_validate( table + MKRecordOffset, otvalid ); } } @@ -223,7 +223,7 @@ static void otv_MathGlyphInfo_validate( FT_Bytes table, - OTV_Validator valid ) + OTV_Validator otvalid ) { FT_Bytes p = table; FT_UInt MathItalicsCorrectionInfo, MathTopAccentAttachment; @@ -241,22 +241,22 @@ if ( MathItalicsCorrectionInfo ) otv_MathItalicsCorrectionInfo_validate( - table + MathItalicsCorrectionInfo, valid, TRUE ); + table + MathItalicsCorrectionInfo, otvalid, TRUE ); /* Italic correction and Top Accent Attachment have the same format */ if ( MathTopAccentAttachment ) otv_MathItalicsCorrectionInfo_validate( - table + MathTopAccentAttachment, valid, FALSE ); + table + MathTopAccentAttachment, otvalid, FALSE ); if ( ExtendedShapeCoverage ) { OTV_NAME_ENTER( "ExtendedShapeCoverage" ); - otv_Coverage_validate( table + ExtendedShapeCoverage, valid, -1 ); + otv_Coverage_validate( table + ExtendedShapeCoverage, otvalid, -1 ); OTV_EXIT; } if ( MathKernInfo ) - otv_MathKernInfo_validate( table + MathKernInfo, valid ); + otv_MathKernInfo_validate( table + MathKernInfo, otvalid ); OTV_EXIT; } @@ -272,7 +272,7 @@ static void otv_GlyphAssembly_validate( FT_Bytes table, - OTV_Validator valid ) + OTV_Validator otvalid ) { FT_Bytes p = table; FT_UInt pcnt, table_size; @@ -294,7 +294,7 @@ OTV_SIZE_CHECK( DeviceTableOffset ); if ( DeviceTableOffset ) - otv_Device_validate( table + DeviceTableOffset, valid ); + otv_Device_validate( table + DeviceTableOffset, otvalid ); for ( i = 0; i < pcnt; ++i ) { @@ -302,7 +302,7 @@ gid = FT_NEXT_USHORT( p ); - if ( gid >= valid->glyph_count ) + if ( gid >= otvalid->glyph_count ) FT_INVALID_GLYPH_ID; p += 2*4; /* skip the Start, End, Full, and Flags fields */ } @@ -313,7 +313,7 @@ static void otv_MathGlyphConstruction_validate( FT_Bytes table, - OTV_Validator valid ) + OTV_Validator otvalid ) { FT_Bytes p = table; FT_UInt vcnt, table_size; @@ -338,14 +338,14 @@ gid = FT_NEXT_USHORT( p ); - if ( gid >= valid->glyph_count ) + if ( gid >= otvalid->glyph_count ) FT_INVALID_GLYPH_ID; p += 2; /* skip the size */ } OTV_SIZE_CHECK( GlyphAssembly ); if ( GlyphAssembly ) - otv_GlyphAssembly_validate( table+GlyphAssembly, valid ); + otv_GlyphAssembly_validate( table+GlyphAssembly, otvalid ); /* OTV_EXIT; */ } @@ -353,7 +353,7 @@ static void otv_MathVariants_validate( FT_Bytes table, - OTV_Validator valid ) + OTV_Validator otvalid ) { FT_Bytes p = table; FT_UInt vcnt, hcnt, i, table_size; @@ -378,24 +378,24 @@ OTV_SIZE_CHECK( VCoverage ); if ( VCoverage ) - otv_Coverage_validate( table + VCoverage, valid, vcnt ); + otv_Coverage_validate( table + VCoverage, otvalid, vcnt ); OTV_SIZE_CHECK( HCoverage ); if ( HCoverage ) - otv_Coverage_validate( table + HCoverage, valid, hcnt ); + otv_Coverage_validate( table + HCoverage, otvalid, hcnt ); for ( i = 0; i < vcnt; ++i ) { OTV_OPTIONAL_OFFSET( Offset ); OTV_SIZE_CHECK( Offset ); - otv_MathGlyphConstruction_validate( table + Offset, valid ); + otv_MathGlyphConstruction_validate( table + Offset, otvalid ); } for ( i = 0; i < hcnt; ++i ) { OTV_OPTIONAL_OFFSET( Offset ); OTV_SIZE_CHECK( Offset ); - otv_MathGlyphConstruction_validate( table + Offset, valid ); + otv_MathGlyphConstruction_validate( table + Offset, otvalid ); } OTV_EXIT; @@ -410,20 +410,20 @@ /*************************************************************************/ /*************************************************************************/ - /* sets valid->glyph_count */ + /* sets otvalid->glyph_count */ FT_LOCAL_DEF( void ) otv_MATH_validate( FT_Bytes table, FT_UInt glyph_count, FT_Validator ftvalid ) { - OTV_ValidatorRec validrec; - OTV_Validator valid = &validrec; - FT_Bytes p = table; + OTV_ValidatorRec otvalidrec; + OTV_Validator otvalid = &otvalidrec; + FT_Bytes p = table; FT_UInt MathConstants, MathGlyphInfo, MathVariants; - valid->root = ftvalid; + otvalid->root = ftvalid; FT_TRACE3(( "validating MATH table\n" )); OTV_INIT; @@ -437,14 +437,14 @@ MathGlyphInfo = FT_NEXT_USHORT( p ); MathVariants = FT_NEXT_USHORT( p ); - valid->glyph_count = glyph_count; + otvalid->glyph_count = glyph_count; otv_MathConstants_validate( table + MathConstants, - valid ); + otvalid ); otv_MathGlyphInfo_validate( table + MathGlyphInfo, - valid ); + otvalid ); otv_MathVariants_validate ( table + MathVariants, - valid ); + otvalid ); FT_TRACE4(( "\n" )); } diff --git a/freetype/src/pcf/README b/freetype/src/pcf/README index 8858d68ca..10eff15fb 100644 --- a/freetype/src/pcf/README +++ b/freetype/src/pcf/README @@ -33,7 +33,7 @@ Encodings Use `FT_Get_BDF_Charset_ID' to access the encoding and registry. -The driver always exports `ft_encoding_none' as face->charmap.encoding. +The driver always exports `ft_encoding_none' as face->charmap.encoding. FT_Get_Char_Index() behavior is unmodified, that is, it converts the ULong value given as argument into the corresponding glyph number. diff --git a/freetype/src/pcf/pcfdrivr.c b/freetype/src/pcf/pcfdrivr.c index 7752d918e..389d521de 100644 --- a/freetype/src/pcf/pcfdrivr.c +++ b/freetype/src/pcf/pcfdrivr.c @@ -2,7 +2,7 @@ FreeType font driver for pcf files - Copyright (C) 2000-2004, 2006-2011, 2013 by + Copyright (C) 2000-2004, 2006-2011, 2013, 2014 by Francesco Zappa Nardelli Permission is hereby granted, free of charge, to any person obtaining a copy @@ -189,7 +189,7 @@ THE SOFTWARE. } - FT_CALLBACK_TABLE_DEF + static const FT_CMap_ClassRec pcf_cmap_class = { sizeof ( PCF_CMapRec ), @@ -494,7 +494,13 @@ THE SOFTWARE. FT_TRACE1(( "PCF_Glyph_Load: glyph index %d\n", glyph_index )); - if ( !face || glyph_index >= (FT_UInt)face->root.num_glyphs ) + if ( !face ) + { + error = FT_THROW( Invalid_Face_Handle ); + goto Exit; + } + + if ( glyph_index >= (FT_UInt)face->root.num_glyphs ) { error = FT_THROW( Invalid_Argument ); goto Exit; diff --git a/freetype/src/pcf/pcfread.c b/freetype/src/pcf/pcfread.c index e4d70eda1..095115c4b 100644 --- a/freetype/src/pcf/pcfread.c +++ b/freetype/src/pcf/pcfread.c @@ -2,7 +2,7 @@ FreeType font driver for pcf fonts - Copyright 2000-2010, 2012, 2013 by + Copyright 2000-2010, 2012-2014 by Francesco Zappa Nardelli Permission is hereby granted, free of charge, to any person obtaining a copy @@ -78,7 +78,7 @@ THE SOFTWARE. FT_FRAME_START( 16 ), FT_FRAME_ULONG_LE( type ), FT_FRAME_ULONG_LE( format ), - FT_FRAME_ULONG_LE( size ), + FT_FRAME_ULONG_LE( size ), /* rounded up to a multiple of 4 */ FT_FRAME_ULONG_LE( offset ), FT_FRAME_END }; @@ -95,9 +95,11 @@ THE SOFTWARE. FT_Memory memory = FT_FACE( face )->memory; FT_UInt n; + FT_ULong size; - if ( FT_STREAM_SEEK ( 0 ) || - FT_STREAM_READ_FIELDS ( pcf_toc_header, toc ) ) + + if ( FT_STREAM_SEEK( 0 ) || + FT_STREAM_READ_FIELDS( pcf_toc_header, toc ) ) return FT_THROW( Cannot_Open_Resource ); if ( toc->version != PCF_FILE_VERSION || @@ -144,13 +146,62 @@ THE SOFTWARE. if ( ( tables[i].size > tables[i + 1].offset ) || ( tables[i].offset > tables[i + 1].offset - tables[i].size ) ) - return FT_THROW( Invalid_Offset ); + { + error = FT_THROW( Invalid_Offset ); + goto Exit; + } } if ( !have_change ) break; } + /* + * We now check whether the `size' and `offset' values are reasonable: + * `offset' + `size' must not exceed the stream size. + * + * Note, however, that X11's `pcfWriteFont' routine (used by the + * `bdftopcf' program to create PDF font files) has two special + * features. + * + * - It always assigns the accelerator table a size of 100 bytes in the + * TOC, regardless of its real size, which can vary between 34 and 72 + * bytes. + * + * - Due to the way the routine is designed, it ships out the last font + * table with its real size, ignoring the TOC's size value. Since + * the TOC size values are always rounded up to a multiple of 4, the + * difference can be up to three bytes for all tables except the + * accelerator table, for which the difference can be as large as 66 + * bytes. + * + */ + + tables = face->toc.tables; + size = stream->size; + + for ( n = 0; n < toc->count - 1; n++ ) + { + /* we need two checks to avoid overflow */ + if ( ( tables->size > size ) || + ( tables->offset > size - tables->size ) ) + { + error = FT_THROW( Invalid_Table ); + goto Exit; + } + tables++; + } + + /* only check `tables->offset' for last table element ... */ + if ( ( tables->offset > size ) ) + { + error = FT_THROW( Invalid_Table ); + goto Exit; + } + /* ... and adjust `tables->size' to the real value if necessary */ + if ( tables->size > size - tables->offset ) + tables->size = size - tables->offset; + #ifdef FT_DEBUG_LEVEL_TRACE { @@ -631,24 +682,40 @@ THE SOFTWARE. return FT_THROW( Out_Of_Memory ); metrics = face->metrics; - for ( i = 0; i < nmetrics; i++ ) + for ( i = 0; i < nmetrics; i++, metrics++ ) { - error = pcf_get_metric( stream, format, metrics + i ); + error = pcf_get_metric( stream, format, metrics ); - metrics[i].bits = 0; + metrics->bits = 0; FT_TRACE5(( " idx %d: width=%d, " "lsb=%d, rsb=%d, ascent=%d, descent=%d, swidth=%d\n", i, - ( metrics + i )->characterWidth, - ( metrics + i )->leftSideBearing, - ( metrics + i )->rightSideBearing, - ( metrics + i )->ascent, - ( metrics + i )->descent, - ( metrics + i )->attributes )); + metrics->characterWidth, + metrics->leftSideBearing, + metrics->rightSideBearing, + metrics->ascent, + metrics->descent, + metrics->attributes )); if ( error ) break; + + /* sanity checks -- those values are used in `PCF_Glyph_Load' to */ + /* compute a glyph's bitmap dimensions, thus setting them to zero in */ + /* case of an error disables this particular glyph only */ + if ( metrics->rightSideBearing < metrics->leftSideBearing || + metrics->ascent + metrics->descent < 0 ) + { + metrics->characterWidth = 0; + metrics->leftSideBearing = 0; + metrics->rightSideBearing = 0; + metrics->ascent = 0; + metrics->descent = 0; + + FT_TRACE0(( "pcf_get_metrics:" + " invalid metrics for glyph %d\n", i )); + } } if ( error ) @@ -699,8 +766,8 @@ THE SOFTWARE. FT_TRACE4(( " number of bitmaps: %d\n", nbitmaps )); - /* XXX: PCF_Face->nmetrics is singed FT_Long, see pcf.h */ - if ( face->nmetrics < 0 || nbitmaps != ( FT_ULong )face->nmetrics ) + /* XXX: PCF_Face->nmetrics is signed FT_Long, see pcf.h */ + if ( face->nmetrics < 0 || nbitmaps != (FT_ULong)face->nmetrics ) return FT_THROW( Invalid_File_Format ); if ( FT_NEW_ARRAY( offsets, nbitmaps ) ) @@ -812,6 +879,15 @@ THE SOFTWARE. if ( !PCF_FORMAT_MATCH( format, PCF_DEFAULT_FORMAT ) ) return FT_THROW( Invalid_File_Format ); + /* sanity checks */ + if ( firstCol < 0 || + firstCol > lastCol || + lastCol > 0xFF || + firstRow < 0 || + firstRow > lastRow || + lastRow > 0xFF ) + return FT_THROW( Invalid_Table ); + FT_TRACE4(( "pdf_get_encodings:\n" )); FT_TRACE4(( " firstCol %d, lastCol %d, firstRow %d, lastRow %d\n", diff --git a/freetype/src/pfr/pfrcmap.c b/freetype/src/pfr/pfrcmap.c index 1f05640cc..90ba0105e 100644 --- a/freetype/src/pfr/pfrcmap.c +++ b/freetype/src/pfr/pfrcmap.c @@ -25,11 +25,14 @@ FT_CALLBACK_DEF( FT_Error ) - pfr_cmap_init( PFR_CMap cmap ) + pfr_cmap_init( PFR_CMap cmap, + FT_Pointer pointer ) { FT_Error error = FT_Err_Ok; PFR_Face face = (PFR_Face)FT_CMAP_FACE( cmap ); + FT_UNUSED( pointer ); + cmap->num_chars = face->phy_font.num_chars; cmap->chars = face->phy_font.chars; diff --git a/freetype/src/pfr/pfrdrivr.c b/freetype/src/pfr/pfrdrivr.c index ae1f91917..b6873d5cd 100644 --- a/freetype/src/pfr/pfrdrivr.c +++ b/freetype/src/pfr/pfrdrivr.c @@ -4,7 +4,7 @@ /* */ /* FreeType PFR driver interface (body). */ /* */ -/* Copyright 2002-2004, 2006, 2008, 2010, 2011, 2013 by */ +/* Copyright 2002-2004, 2006, 2008, 2010, 2011, 2013, 2014 by */ /* David Turner, Robert Wilhelm, and Werner Lemberg. */ /* */ /* This file is part of the FreeType project, and may only be used, */ @@ -37,7 +37,7 @@ PFR_PhyFont phys = &face->phy_font; - pfr_face_get_kerning( pfrface, left, right, avector ); + (void)pfr_face_get_kerning( pfrface, left, right, avector ); /* convert from metrics to outline units when necessary */ if ( phys->outline_resolution != phys->metrics_resolution ) @@ -134,7 +134,7 @@ } - FT_CALLBACK_TABLE_DEF + static const FT_Service_PfrMetricsRec pfr_metrics_service_rec = { pfr_get_metrics, diff --git a/freetype/src/pfr/pfrgload.c b/freetype/src/pfr/pfrgload.c index df7fb0577..e254c23f0 100644 --- a/freetype/src/pfr/pfrgload.c +++ b/freetype/src/pfr/pfrgload.c @@ -763,7 +763,7 @@ PFR_SubGlyph subglyph; - FT_TRACE4(( "subglyph %d:\n", n )); + FT_TRACE4(( " subglyph %d:\n", n )); subglyph = glyph->subs + old_count + n; old_points = base->n_points; diff --git a/freetype/src/pfr/pfrload.c b/freetype/src/pfr/pfrload.c index b91de9fcf..3fedaba61 100644 --- a/freetype/src/pfr/pfrload.c +++ b/freetype/src/pfr/pfrload.c @@ -179,7 +179,7 @@ if ( header->signature != 0x50465230L || /* "PFR0" */ header->version > 4 || header->header_size < 58 || - header->signature2 != 0x0d0a ) /* CR/LF */ + header->signature2 != 0x0D0A ) /* CR/LF */ { result = 0; } diff --git a/freetype/src/pfr/pfrobjs.c b/freetype/src/pfr/pfrobjs.c index 7953d812e..0c89242c7 100644 --- a/freetype/src/pfr/pfrobjs.c +++ b/freetype/src/pfr/pfrobjs.c @@ -4,7 +4,7 @@ /* */ /* FreeType PFR object methods (body). */ /* */ -/* Copyright 2002-2008, 2010-2011, 2013 by */ +/* Copyright 2002-2008, 2010-2011, 2013, 2014 by */ /* David Turner, Robert Wilhelm, and Werner Lemberg. */ /* */ /* This file is part of the FreeType project, and may only be used, */ @@ -22,7 +22,8 @@ #include "pfrcmap.h" #include "pfrsbit.h" #include FT_OUTLINE_H -#include <internal/ftdebug.h> +#include FT_INTERNAL_DEBUG_H +#include FT_INTERNAL_CALC_H #include FT_TRUETYPE_IDS_H #include "pfrerror.h" @@ -515,7 +516,7 @@ { FT_UInt count = item->pair_count; FT_UInt size = item->pair_size; - FT_UInt power = (FT_UInt)ft_highpow2( (FT_UInt32)count ); + FT_UInt power = 1 << FT_MSB( count ); FT_UInt probe = power * size; FT_UInt extra = count - power; FT_Byte* base = stream->cursor; diff --git a/freetype/src/pfr/pfrsbit.c b/freetype/src/pfr/pfrsbit.c index 1bb878e1d..e04dcd169 100644 --- a/freetype/src/pfr/pfrsbit.c +++ b/freetype/src/pfr/pfrsbit.c @@ -59,7 +59,7 @@ if ( !decreasing ) { - writer->line += writer->pitch * ( target->rows-1 ); + writer->line += writer->pitch * ( target->rows - 1 ); writer->pitch = -writer->pitch; } } @@ -636,7 +636,9 @@ * which causes a size truncation, because truncated * size properties makes bitmap glyph broken. */ - if ( xpos > FT_INT_MAX || ( ypos + ysize ) > FT_INT_MAX ) + if ( xpos > FT_INT_MAX || xpos < FT_INT_MIN || + ysize > FT_INT_MAX || ypos + ysize > FT_INT_MAX || + ypos + (FT_Long)ysize < FT_INT_MIN ) { FT_TRACE1(( "pfr_slot_load_bitmap:" )); FT_TRACE1(( "huge bitmap glyph %dx%d over FT_GlyphSlot\n", diff --git a/freetype/src/psaux/psconv.c b/freetype/src/psaux/psconv.c index 9db8d67a6..36517e7ae 100644 --- a/freetype/src/psaux/psconv.c +++ b/freetype/src/psaux/psconv.c @@ -124,7 +124,7 @@ if ( IS_PS_SPACE( *p ) || *p OP 0x80 ) break; - c = ft_char_table[*p & 0x7f]; + c = ft_char_table[*p & 0x7F]; if ( c < 0 || c >= base ) break; @@ -245,12 +245,13 @@ if ( IS_PS_SPACE( *p ) || *p OP 0x80 ) break; - c = ft_char_table[*p & 0x7f]; + c = ft_char_table[*p & 0x7F]; if ( c < 0 || c >= 10 ) break; - if ( decimal < 0xCCCCCCCL ) + /* only add digit if we don't overflow */ + if ( divider < 0xCCCCCCCL && decimal < 0xCCCCCCCL ) { decimal = decimal * 10 + c; @@ -520,7 +521,7 @@ if ( *p OP 0x80 ) break; - c = ft_char_table[*p & 0x7f]; + c = ft_char_table[*p & 0x7F]; if ( (unsigned)c >= 16 ) break; diff --git a/freetype/src/psaux/psobjs.c b/freetype/src/psaux/psobjs.c index 524eb7771..8031c0660 100644 --- a/freetype/src/psaux/psobjs.c +++ b/freetype/src/psaux/psobjs.c @@ -1338,7 +1338,15 @@ { parser->cursor = token->start; parser->limit = token->limit; - ps_parser_load_field( parser, &fieldrec, objects, max_objects, 0 ); + + error = ps_parser_load_field( parser, + &fieldrec, + objects, + max_objects, + 0 ); + if ( error ) + break; + fieldrec.offset += fieldrec.size; } diff --git a/freetype/src/psaux/t1cmap.c b/freetype/src/psaux/t1cmap.c index 63d3e979f..c92a280dc 100644 --- a/freetype/src/psaux/t1cmap.c +++ b/freetype/src/psaux/t1cmap.c @@ -120,8 +120,12 @@ FT_CALLBACK_DEF( FT_Error ) - t1_cmap_standard_init( T1_CMapStd cmap ) + t1_cmap_standard_init( T1_CMapStd cmap, + FT_Pointer pointer ) { + FT_UNUSED( pointer ); + + t1_cmap_std_init( cmap, 0 ); return 0; } @@ -142,8 +146,12 @@ FT_CALLBACK_DEF( FT_Error ) - t1_cmap_expert_init( T1_CMapStd cmap ) + t1_cmap_expert_init( T1_CMapStd cmap, + FT_Pointer pointer ) { + FT_UNUSED( pointer ); + + t1_cmap_std_init( cmap, 1 ); return 0; } @@ -172,11 +180,14 @@ FT_CALLBACK_DEF( FT_Error ) - t1_cmap_custom_init( T1_CMapCustom cmap ) + t1_cmap_custom_init( T1_CMapCustom cmap, + FT_Pointer pointer ) { T1_Face face = (T1_Face)FT_CMAP_FACE( cmap ); T1_Encoding encoding = &face->type1.encoding; + FT_UNUSED( pointer ); + cmap->first = encoding->code_first; cmap->count = (FT_UInt)( encoding->code_last - cmap->first ); @@ -272,12 +283,15 @@ FT_CALLBACK_DEF( FT_Error ) - t1_cmap_unicode_init( PS_Unicodes unicodes ) + t1_cmap_unicode_init( PS_Unicodes unicodes, + FT_Pointer pointer ) { T1_Face face = (T1_Face)FT_CMAP_FACE( unicodes ); FT_Memory memory = FT_FACE_MEMORY( face ); FT_Service_PsCMaps psnames = (FT_Service_PsCMaps)face->psnames; + FT_UNUSED( pointer ); + return psnames->unicodes_init( memory, unicodes, diff --git a/freetype/src/psaux/t1decode.c b/freetype/src/psaux/t1decode.c index 61746ae11..d21565b9d 100644 --- a/freetype/src/psaux/t1decode.c +++ b/freetype/src/psaux/t1decode.c @@ -4,7 +4,7 @@ /* */ /* PostScript Type 1 decoding routines (body). */ /* */ -/* Copyright 2000-2013 by */ +/* Copyright 2000-2014 by */ /* David Turner, Robert Wilhelm, and Werner Lemberg. */ /* */ /* This file is part of the FreeType project, and may only be used, */ @@ -1098,10 +1098,12 @@ goto Syntax_Error; /* apply hints to the loaded glyph outline now */ - hinter->apply( hinter->hints, - builder->current, - (PSH_Globals)builder->hints_globals, - decoder->hint_mode ); + error = hinter->apply( hinter->hints, + builder->current, + (PSH_Globals)builder->hints_globals, + decoder->hint_mode ); + if ( error ) + goto Fail; } /* add current outline to the glyph slot */ diff --git a/freetype/src/pshinter/pshglob.c b/freetype/src/pshinter/pshglob.c index ab2f82f8b..3073784df 100644 --- a/freetype/src/pshinter/pshglob.c +++ b/freetype/src/pshinter/pshglob.c @@ -5,7 +5,7 @@ /* PostScript hinter global hinting management (body). */ /* Inspired by the new auto-hinter module. */ /* */ -/* Copyright 2001-2004, 2006, 2010, 2012, 2013 by */ +/* Copyright 2001-2004, 2006, 2010, 2012-2014 by */ /* David Turner, Robert Wilhelm, and Werner Lemberg. */ /* */ /* This file is part of the FreeType project, and may only be used */ @@ -750,7 +750,7 @@ } - FT_LOCAL_DEF( FT_Error ) + FT_LOCAL_DEF( void ) psh_globals_set_scale( PSH_Globals globals, FT_Fixed x_scale, FT_Fixed y_scale, @@ -780,8 +780,6 @@ psh_globals_scale_widths( globals, 1 ); psh_blues_scale_zones( &globals->blues, y_scale, y_delta ); } - - return 0; } diff --git a/freetype/src/pshinter/pshglob.h b/freetype/src/pshinter/pshglob.h index 0baf09478..8b0cfddb1 100644 --- a/freetype/src/pshinter/pshglob.h +++ b/freetype/src/pshinter/pshglob.h @@ -4,7 +4,7 @@ /* */ /* PostScript hinter global hinting management. */ /* */ -/* Copyright 2001, 2002, 2003 by */ +/* Copyright 2001, 2002, 2003, 2014 by */ /* David Turner, Robert Wilhelm, and Werner Lemberg. */ /* */ /* This file is part of the FreeType project, and may only be used, */ @@ -167,7 +167,7 @@ FT_BEGIN_HEADER FT_Int org_width ); #endif - FT_LOCAL( FT_Error ) + FT_LOCAL( void ) psh_globals_set_scale( PSH_Globals globals, FT_Fixed x_scale, FT_Fixed y_scale, diff --git a/freetype/src/pshinter/pshrec.c b/freetype/src/pshinter/pshrec.c index ff3ac9c15..4804813a2 100644 --- a/freetype/src/pshinter/pshrec.c +++ b/freetype/src/pshinter/pshrec.c @@ -4,7 +4,7 @@ /* */ /* FreeType PostScript hints recorder (body). */ /* */ -/* Copyright 2001-2004, 2007, 2009, 2013 by */ +/* Copyright 2001-2004, 2007, 2009, 2013, 2014 by */ /* David Turner, Robert Wilhelm, and Werner Lemberg. */ /* */ /* This file is part of the FreeType project, and may only be used, */ @@ -797,13 +797,12 @@ } - FT_LOCAL( FT_Error ) + FT_LOCAL( void ) ps_hints_init( PS_Hints hints, FT_Memory memory ) { FT_MEM_ZERO( hints, sizeof ( *hints ) ); hints->memory = memory; - return FT_Err_Ok; } diff --git a/freetype/src/pshinter/pshrec.h b/freetype/src/pshinter/pshrec.h index 0a71bdfd9..9952d13f8 100644 --- a/freetype/src/pshinter/pshrec.h +++ b/freetype/src/pshinter/pshrec.h @@ -4,7 +4,7 @@ /* */ /* Postscript (Type1/Type2) hints recorder (specification). */ /* */ -/* Copyright 2001, 2002, 2003, 2006, 2008 by */ +/* Copyright 2001, 2002, 2003, 2006, 2008, 2014 by */ /* David Turner, Robert Wilhelm, and Werner Lemberg. */ /* */ /* This file is part of the FreeType project, and may only be used, */ @@ -141,7 +141,7 @@ FT_BEGIN_HEADER /* */ /* initialize hints recorder */ - FT_LOCAL( FT_Error ) + FT_LOCAL( void ) ps_hints_init( PS_Hints hints, FT_Memory memory ); diff --git a/freetype/src/psnames/psmodule.c b/freetype/src/psnames/psmodule.c index 75c8b89cc..4d172b9c8 100644 --- a/freetype/src/psnames/psmodule.c +++ b/freetype/src/psnames/psmodule.c @@ -4,7 +4,7 @@ /* */ /* PSNames module implementation (body). */ /* */ -/* Copyright 1996-2003, 2005-2008, 2012, 2013 by */ +/* Copyright 1996-2003, 2005-2008, 2012-2014 by */ /* David Turner, Robert Wilhelm, and Werner Lemberg. */ /* */ /* This file is part of the FreeType project, and may only be used, */ @@ -563,7 +563,7 @@ psnames_get_service( FT_Module module, const char* service_id ) { - /* PSCMAPS_SERVICES_GET derefers `library' in PIC mode */ + /* PSCMAPS_SERVICES_GET dereferences `library' in PIC mode */ #ifdef FT_CONFIG_OPTION_PIC FT_Library library; diff --git a/freetype/src/raster/ftraster.c b/freetype/src/raster/ftraster.c index f0073981b..7fae8ef28 100644 --- a/freetype/src/raster/ftraster.c +++ b/freetype/src/raster/ftraster.c @@ -2284,6 +2284,8 @@ Long e1, e2; Byte* target; + Int dropOutControl = left->flags & 7; + FT_UNUSED( y ); FT_UNUSED( left ); FT_UNUSED( right ); @@ -2293,7 +2295,8 @@ e1 = TRUNC( CEILING( x1 ) ); - if ( x2 - x1 - ras.precision <= ras.precision_jitter ) + if ( dropOutControl != 2 && + x2 - x1 - ras.precision <= ras.precision_jitter ) e2 = e1; else e2 = TRUNC( FLOOR( x2 ) ); @@ -2550,7 +2553,7 @@ e1 = TRUNC( e1 ); - if ( e1 >= 0 && e1 < ras.target.rows ) + if ( e1 >= 0 && (ULong)e1 < ras.target.rows ) { PByte p; @@ -2644,7 +2647,7 @@ /* bounding box instead */ if ( pxl < 0 ) pxl = e1; - else if ( TRUNC( pxl ) >= ras.target.rows ) + else if ( (ULong)( TRUNC( pxl ) ) >= ras.target.rows ) pxl = e2; /* check that the other pixel isn't set */ @@ -2659,9 +2662,9 @@ if ( ras.target.pitch > 0 ) bits += ( ras.target.rows - 1 ) * ras.target.pitch; - if ( e1 >= 0 && - e1 < ras.target.rows && - *bits & f1 ) + if ( e1 >= 0 && + (ULong)e1 < ras.target.rows && + *bits & f1 ) return; } else @@ -2673,7 +2676,7 @@ e1 = TRUNC( pxl ); - if ( e1 >= 0 && e1 < ras.target.rows ) + if ( e1 >= 0 && (ULong)e1 < ras.target.rows ) { bits -= e1 * ras.target.pitch; if ( ras.target.pitch > 0 ) @@ -3539,7 +3542,7 @@ } - static void + static int ft_black_set_mode( black_PRaster raster, unsigned long mode, const char* palette ) @@ -3563,6 +3566,8 @@ FT_UNUSED( palette ); #endif + + return 0; } diff --git a/freetype/src/sfnt/pngshim.c b/freetype/src/sfnt/pngshim.c index 878de1fef..9bfcc2a77 100644 --- a/freetype/src/sfnt/pngshim.c +++ b/freetype/src/sfnt/pngshim.c @@ -4,7 +4,7 @@ /* */ /* PNG Bitmap glyph support. */ /* */ -/* Copyright 2013 by Google, Inc. */ +/* Copyright 2013, 2014 by Google, Inc. */ /* Written by Stuart Gill and Behdad Esfahbod. */ /* */ /* This file is part of the FreeType project, and may only be used, */ @@ -129,7 +129,7 @@ *error = FT_THROW( Out_Of_Memory ); #ifdef PNG_SETJMP_SUPPORTED - longjmp( png_jmpbuf( png ), 1 ); + ft_longjmp( png_jmpbuf( png ), 1 ); #endif /* if we get here, then we have no choice but to abort ... */ } @@ -205,11 +205,11 @@ goto Exit; } - if ( !populate_map_and_metrics && - ( x_offset + metrics->width > map->width || - y_offset + metrics->height > map->rows || - pix_bits != 32 || - map->pixel_mode != FT_PIXEL_MODE_BGRA ) ) + if ( !populate_map_and_metrics && + ( (FT_UInt)x_offset + metrics->width > map->width || + (FT_UInt)y_offset + metrics->height > map->rows || + pix_bits != 32 || + map->pixel_mode != FT_PIXEL_MODE_BGRA ) ) { error = FT_THROW( Invalid_Argument ); goto Exit; @@ -269,6 +269,14 @@ map->pitch = map->width * 4; map->num_grays = 256; + /* reject too large bitmaps similarly to the rasterizer */ + if ( map->rows > 0x7FFF || map->width > 0x7FFF ) + { + error = FT_THROW( Array_Too_Large ); + goto DestroyExit; + } + + /* this doesn't overflow: 0x7FFF * 0x7FFF * 4 < 2^32 */ size = map->rows * map->pitch; error = ft_glyphslot_alloc_bitmap( slot, size ); diff --git a/freetype/src/sfnt/sfdriver.c b/freetype/src/sfnt/sfdriver.c index 2b7ffd556..5475712e7 100644 --- a/freetype/src/sfnt/sfdriver.c +++ b/freetype/src/sfnt/sfdriver.c @@ -75,36 +75,36 @@ switch ( tag ) { - case ft_sfnt_head: + case FT_SFNT_HEAD: table = &face->header; break; - case ft_sfnt_hhea: + case FT_SFNT_HHEA: table = &face->horizontal; break; - case ft_sfnt_vhea: - table = face->vertical_info ? &face->vertical : 0; + case FT_SFNT_VHEA: + table = face->vertical_info ? &face->vertical : NULL; break; - case ft_sfnt_os2: - table = face->os2.version == 0xFFFFU ? 0 : &face->os2; + case FT_SFNT_OS2: + table = face->os2.version == 0xFFFFU ? NULL : &face->os2; break; - case ft_sfnt_post: + case FT_SFNT_POST: table = &face->postscript; break; - case ft_sfnt_maxp: + case FT_SFNT_MAXP: table = &face->max_profile; break; - case ft_sfnt_pclt: - table = face->pclt.Version ? &face->pclt : 0; + case FT_SFNT_PCLT: + table = face->pclt.Version ? &face->pclt : NULL; break; default: - table = 0; + table = NULL; } return table; @@ -427,7 +427,7 @@ sfnt_get_interface( FT_Module module, const char* module_interface ) { - /* SFNT_SERVICES_GET derefers `library' in PIC mode */ + /* SFNT_SERVICES_GET dereferences `library' in PIC mode */ #ifdef FT_CONFIG_OPTION_PIC FT_Library library; diff --git a/freetype/src/sfnt/sfntpic.h b/freetype/src/sfnt/sfntpic.h index 948148899..bf50624c6 100644 --- a/freetype/src/sfnt/sfntpic.h +++ b/freetype/src/sfnt/sfntpic.h @@ -72,26 +72,26 @@ FT_BEGIN_HEADER } sfntModulePIC; -#define GET_PIC( lib ) \ - ( (sfntModulePIC*)((lib)->pic_container.sfnt) ) +#define GET_PIC( lib ) \ + ( (sfntModulePIC*)( (lib)->pic_container.sfnt ) ) -#define SFNT_SERVICES_GET \ +#define SFNT_SERVICES_GET \ ( GET_PIC( library )->sfnt_services ) -#define SFNT_SERVICE_GLYPH_DICT_GET \ +#define SFNT_SERVICE_GLYPH_DICT_GET \ ( GET_PIC( library )->sfnt_service_glyph_dict ) -#define SFNT_SERVICE_PS_NAME_GET \ +#define SFNT_SERVICE_PS_NAME_GET \ ( GET_PIC( library )->sfnt_service_ps_name ) -#define TT_SERVICE_CMAP_INFO_GET \ +#define TT_SERVICE_CMAP_INFO_GET \ ( GET_PIC( library )->tt_service_get_cmap_info ) -#define SFNT_SERVICES_GET \ +#define SFNT_SERVICES_GET \ ( GET_PIC( library )->sfnt_services ) -#define TT_CMAP_CLASSES_GET \ +#define TT_CMAP_CLASSES_GET \ ( GET_PIC( library )->tt_cmap_classes ) -#define SFNT_SERVICE_SFNT_TABLE_GET \ +#define SFNT_SERVICE_SFNT_TABLE_GET \ ( GET_PIC( library )->sfnt_service_sfnt_table ) -#define SFNT_SERVICE_BDF_GET \ +#define SFNT_SERVICE_BDF_GET \ ( GET_PIC( library )->sfnt_service_bdf ) -#define SFNT_INTERFACE_GET \ +#define SFNT_INTERFACE_GET \ ( GET_PIC( library )->sfnt_interface ) diff --git a/freetype/src/sfnt/sfobjs.c b/freetype/src/sfnt/sfobjs.c index 112753160..0f941467d 100644 --- a/freetype/src/sfnt/sfobjs.c +++ b/freetype/src/sfnt/sfobjs.c @@ -4,7 +4,7 @@ /* */ /* SFNT object management (base). */ /* */ -/* Copyright 1996-2008, 2010-2013 by */ +/* Copyright 1996-2008, 2010-2014 by */ /* David Turner, Robert Wilhelm, and Werner Lemberg. */ /* */ /* This file is part of the FreeType project, and may only be used, */ @@ -348,29 +348,22 @@ } -#define WRITE_BYTE( p, v ) \ - do \ - { \ - *(p)++ = (v) >> 0; \ - \ +#define WRITE_USHORT( p, v ) \ + do \ + { \ + *(p)++ = (FT_Byte)( (v) >> 8 ); \ + *(p)++ = (FT_Byte)( (v) >> 0 ); \ + \ } while ( 0 ) -#define WRITE_USHORT( p, v ) \ - do \ - { \ - *(p)++ = (v) >> 8; \ - *(p)++ = (v) >> 0; \ - \ - } while ( 0 ) - -#define WRITE_ULONG( p, v ) \ - do \ - { \ - *(p)++ = (v) >> 24; \ - *(p)++ = (v) >> 16; \ - *(p)++ = (v) >> 8; \ - *(p)++ = (v) >> 0; \ - \ +#define WRITE_ULONG( p, v ) \ + do \ + { \ + *(p)++ = (FT_Byte)( (v) >> 24 ); \ + *(p)++ = (FT_Byte)( (v) >> 16 ); \ + *(p)++ = (FT_Byte)( (v) >> 8 ); \ + *(p)++ = (FT_Byte)( (v) >> 0 ); \ + \ } while ( 0 ) @@ -574,8 +567,10 @@ if ( table->Offset != woff_offset || - table->Offset + table->CompLength > woff.length || - sfnt_offset + table->OrigLength > woff.totalSfntSize || + table->CompLength > woff.length || + table->Offset > woff.length - table->CompLength || + table->OrigLength > woff.totalSfntSize || + sfnt_offset > woff.totalSfntSize - table->OrigLength || table->CompLength > table->OrigLength ) { error = FT_THROW( Invalid_Table ); @@ -661,6 +656,8 @@ } else { +#ifdef FT_CONFIG_OPTION_USE_ZLIB + /* Uncompress with zlib. */ FT_ULong output_len = table->OrigLength; @@ -675,6 +672,13 @@ error = FT_THROW( Invalid_Table ); goto Exit; } + +#else /* !FT_CONFIG_OPTION_USE_ZLIB */ + + error = FT_THROW( Unimplemented_Feature ); + goto Exit; + +#endif /* !FT_CONFIG_OPTION_USE_ZLIB */ } FT_FRAME_EXIT(); @@ -717,7 +721,6 @@ } -#undef WRITE_BYTE #undef WRITE_USHORT #undef WRITE_ULONG @@ -1015,7 +1018,6 @@ if ( is_apple_sbix ) has_outline = FALSE; - /* if this font doesn't contain outlines, we try to load */ /* a `bhed' table */ if ( !has_outline && sfnt->load_bhed ) diff --git a/freetype/src/sfnt/ttcmap.c b/freetype/src/sfnt/ttcmap.c index 580c43050..63b7a2e3a 100644 --- a/freetype/src/sfnt/ttcmap.c +++ b/freetype/src/sfnt/ttcmap.c @@ -845,9 +845,6 @@ p = table + 2; /* skip format */ length = TT_NEXT_USHORT( p ); - if ( length < 16 ) - FT_INVALID_TOO_SHORT; - /* in certain fonts, the `length' field is invalid and goes */ /* out of bound. We try to correct this here... */ if ( table + length > valid->limit ) @@ -858,6 +855,9 @@ length = (FT_UInt)( valid->limit - table ); } + if ( length < 16 ) + FT_INVALID_TOO_SHORT; + p = table + 6; num_segs = TT_NEXT_USHORT( p ); /* read segCountX2 */ @@ -1669,7 +1669,8 @@ p = is32 + 8192; /* skip `is32' array */ num_groups = TT_NEXT_ULONG( p ); - if ( p + num_groups * 12 > valid->limit ) + /* p + num_groups * 12 > valid->limit ? */ + if ( num_groups > (FT_UInt32)( valid->limit - p ) / 12 ) FT_INVALID_TOO_SHORT; /* check groups, they must be in increasing order */ @@ -1694,7 +1695,12 @@ if ( valid->level >= FT_VALIDATE_TIGHT ) { - if ( start_id + end - start >= TT_VALID_GLYPH_COUNT( valid ) ) + FT_UInt32 d = end - start; + + + /* start_id + end - start >= TT_VALID_GLYPH_COUNT( valid ) ? */ + if ( d > TT_VALID_GLYPH_COUNT( valid ) || + start_id >= TT_VALID_GLYPH_COUNT( valid ) - d ) FT_INVALID_GLYPH_ID; count = (FT_UInt32)( end - start + 1 ); @@ -1892,7 +1898,9 @@ count = TT_NEXT_ULONG( p ); if ( length > (FT_ULong)( valid->limit - table ) || - length < 20 + count * 2 ) + /* length < 20 + count * 2 ? */ + length < 20 || + ( length - 20 ) / 2 < count ) FT_INVALID_TOO_SHORT; /* check glyph indices */ @@ -2079,7 +2087,9 @@ num_groups = TT_NEXT_ULONG( p ); if ( length > (FT_ULong)( valid->limit - table ) || - length < 16 + 12 * num_groups ) + /* length < 16 + 12 * num_groups ? */ + length < 16 || + ( length - 16 ) / 12 < num_groups ) FT_INVALID_TOO_SHORT; /* check groups, they must be in increasing order */ @@ -2101,7 +2111,12 @@ if ( valid->level >= FT_VALIDATE_TIGHT ) { - if ( start_id + end - start >= TT_VALID_GLYPH_COUNT( valid ) ) + FT_UInt32 d = end - start; + + + /* start_id + end - start >= TT_VALID_GLYPH_COUNT( valid ) ? */ + if ( d > TT_VALID_GLYPH_COUNT( valid ) || + start_id >= TT_VALID_GLYPH_COUNT( valid ) - d ) FT_INVALID_GLYPH_ID; } @@ -2401,7 +2416,9 @@ num_groups = TT_NEXT_ULONG( p ); if ( length > (FT_ULong)( valid->limit - table ) || - length < 16 + 12 * num_groups ) + /* length < 16 + 12 * num_groups ? */ + length < 16 || + ( length - 16 ) / 12 < num_groups ) FT_INVALID_TOO_SHORT; /* check groups, they must be in increasing order */ @@ -2787,7 +2804,9 @@ num_selectors = TT_NEXT_ULONG( p ); if ( length > (FT_ULong)( valid->limit - table ) || - length < 10 + 11 * num_selectors ) + /* length < 10 + 11 * num_selectors ? */ + length < 10 || + ( length - 10 ) / 11 < num_selectors ) FT_INVALID_TOO_SHORT; /* check selectors, they must be in increasing order */ @@ -2823,7 +2842,8 @@ FT_ULong lastBase = 0; - if ( defp + numRanges * 4 > valid->limit ) + /* defp + numRanges * 4 > valid->limit ? */ + if ( numRanges > (FT_ULong)( valid->limit - defp ) / 4 ) FT_INVALID_TOO_SHORT; for ( i = 0; i < numRanges; ++i ) @@ -2850,7 +2870,8 @@ FT_ULong i, lastUni = 0; - if ( numMappings * 4 > (FT_ULong)( valid->limit - ndp ) ) + /* numMappings * 4 > (FT_ULong)( valid->limit - ndp ) ? */ + if ( numMappings > ( (FT_ULong)( valid->limit - ndp ) ) / 4 ) FT_INVALID_TOO_SHORT; for ( i = 0; i < numMappings; ++i ) @@ -3473,23 +3494,14 @@ /* only recognize format 0 */ if ( TT_NEXT_USHORT( p ) != 0 ) { - p -= 2; FT_ERROR(( "tt_face_build_cmaps:" " unsupported `cmap' table format = %d\n", - TT_PEEK_USHORT( p ) )); + TT_PEEK_USHORT( p - 2 ) )); return FT_THROW( Invalid_Table ); } num_cmaps = TT_NEXT_USHORT( p ); -#ifdef FT_MAX_CHARMAP_CACHEABLE - if ( num_cmaps > FT_MAX_CHARMAP_CACHEABLE ) - FT_ERROR(( "tt_face_build_cmaps: too many cmap subtables (%d)\n" - " subtable #%d and higher are loaded" - " but cannot be searched\n", - num_cmaps, FT_MAX_CHARMAP_CACHEABLE + 1 )); -#endif - for ( ; num_cmaps > 0 && p + 8 <= limit; num_cmaps-- ) { FT_CharMapRec charmap; diff --git a/freetype/src/sfnt/ttkern.c b/freetype/src/sfnt/ttkern.c index 3bfd78891..98c091e91 100644 --- a/freetype/src/sfnt/ttkern.c +++ b/freetype/src/sfnt/ttkern.c @@ -99,7 +99,7 @@ length = FT_NEXT_USHORT( p ); coverage = FT_NEXT_USHORT( p ); - if ( length <= 6 ) + if ( length <= 6 + 8 ) break; p_next += length; diff --git a/freetype/src/sfnt/ttload.c b/freetype/src/sfnt/ttload.c index 1ca2dd5c2..fe179360d 100644 --- a/freetype/src/sfnt/ttload.c +++ b/freetype/src/sfnt/ttload.c @@ -5,7 +5,7 @@ /* Load the basic TrueType tables, i.e., tables that can be either in */ /* TTF or OTF fonts (body). */ /* */ -/* Copyright 1996-2010, 2012, 2013 by */ +/* Copyright 1996-2010, 2012-2014 by */ /* David Turner, Robert Wilhelm, and Werner Lemberg. */ /* */ /* This file is part of the FreeType project, and may only be used, */ @@ -207,7 +207,10 @@ } /* we ignore invalid tables */ - if ( table.Offset + table.Length > stream->size ) + + /* table.Offset + table.Length > stream->size ? */ + if ( table.Length > stream->size || + table.Offset > stream->size - table.Length ) { FT_TRACE2(( "check_table_dir: table entry %d invalid\n", nn )); continue; @@ -395,7 +398,10 @@ entry->Length = FT_GET_ULONG(); /* ignore invalid tables */ - if ( entry->Offset + entry->Length > stream->size ) + + /* entry->Offset + entry->Length > stream->size ? */ + if ( entry->Length > stream->size || + entry->Offset > stream->size - entry->Length ) continue; else { diff --git a/freetype/src/sfnt/ttmtx.c b/freetype/src/sfnt/ttmtx.c index 920b2b92a..cd3a31aec 100644 --- a/freetype/src/sfnt/ttmtx.c +++ b/freetype/src/sfnt/ttmtx.c @@ -4,7 +4,7 @@ /* */ /* Load the metrics tables common to TTF and OTF fonts (body). */ /* */ -/* Copyright 2006-2009, 2011-2013 by */ +/* Copyright 2006-2009, 2011-2014 by */ /* David Turner, Robert Wilhelm, and Werner Lemberg. */ /* */ /* This file is part of the FreeType project, and may only be used, */ @@ -201,7 +201,7 @@ /* aadvance :: The advance width or advance height, depending on */ /* the `vertical' flag. */ /* */ - FT_LOCAL_DEF( FT_Error ) + FT_LOCAL_DEF( void ) tt_face_get_metrics( TT_Face face, FT_Bool vertical, FT_UInt gindex, @@ -274,8 +274,6 @@ *abearing = 0; *aadvance = 0; } - - return FT_Err_Ok; } diff --git a/freetype/src/sfnt/ttmtx.h b/freetype/src/sfnt/ttmtx.h index 13b0775ce..0142626bb 100644 --- a/freetype/src/sfnt/ttmtx.h +++ b/freetype/src/sfnt/ttmtx.h @@ -4,7 +4,7 @@ /* */ /* Load the metrics tables common to TTF and OTF fonts (specification). */ /* */ -/* Copyright 2006 by */ +/* Copyright 2006, 2014 by */ /* David Turner, Robert Wilhelm, and Werner Lemberg. */ /* */ /* This file is part of the FreeType project, and may only be used, */ @@ -40,7 +40,7 @@ FT_BEGIN_HEADER FT_Bool vertical ); - FT_LOCAL( FT_Error ) + FT_LOCAL( void ) tt_face_get_metrics( TT_Face face, FT_Bool vertical, FT_UInt gindex, diff --git a/freetype/src/sfnt/ttpost.c b/freetype/src/sfnt/ttpost.c index 164edd8ce..b62bc5f97 100644 --- a/freetype/src/sfnt/ttpost.c +++ b/freetype/src/sfnt/ttpost.c @@ -5,7 +5,7 @@ /* Postcript name table processing for TrueType and OpenType fonts */ /* (body). */ /* */ -/* Copyright 1996-2003, 2006-2010, 2013 by */ +/* Copyright 1996-2003, 2006-2010, 2013, 2014 by */ /* David Turner, Robert Wilhelm, and Werner Lemberg. */ /* */ /* This file is part of the FreeType project, and may only be used, */ @@ -64,12 +64,12 @@ #define MAC_NAME( x ) ( (FT_String*)tt_post_default_names[x] ) - /* the 258 default Mac PS glyph names */ + /* the 258 default Mac PS glyph names; see file `tools/glnames.py' */ static const FT_String* const tt_post_default_names[258] = { /* 0 */ - ".notdef", ".null", "CR", "space", "exclam", + ".notdef", ".null", "nonmarkingreturn", "space", "exclam", "quotedbl", "numbersign", "dollar", "percent", "ampersand", /* 10 */ "quotesingle", "parenleft", "parenright", "asterisk", "plus", @@ -120,7 +120,7 @@ "ae", "oslash", "questiondown", "exclamdown", "logicalnot", "radical", "florin", "approxequal", "Delta", "guillemotleft", /* 170 */ - "guillemotright", "ellipsis", "nbspace", "Agrave", "Atilde", + "guillemotright", "ellipsis", "nonbreakingspace", "Agrave", "Atilde", "Otilde", "OE", "oe", "endash", "emdash", /* 180 */ "quotedblleft", "quotedblright", "quoteleft", "quoteright", "divide", @@ -144,8 +144,8 @@ "multiply", "onesuperior", "twosuperior", "threesuperior", "onehalf", "onequarter", "threequarters", "franc", "Gbreve", "gbreve", /* 250 */ - "Idot", "Scedilla", "scedilla", "Cacute", "cacute", - "Ccaron", "ccaron", "dmacron", + "Idotaccent", "Scedilla", "scedilla", "Cacute", "cacute", + "Ccaron", "ccaron", "dcroat", }; diff --git a/freetype/src/sfnt/ttsbit.c b/freetype/src/sfnt/ttsbit.c index 01dfac015..6bfb1869f 100644 --- a/freetype/src/sfnt/ttsbit.c +++ b/freetype/src/sfnt/ttsbit.c @@ -150,12 +150,25 @@ error = FT_THROW( Unknown_File_Format ); goto Exit; } - if ( flags != 0x0001 || num_strikes >= 0x10000UL ) + + /* Bit 0 must always be `1'. */ + /* Bit 1 controls the overlay of bitmaps with outlines. */ + /* All other bits should be zero. */ + if ( !( flags == 1 || flags == 3 ) || + num_strikes >= 0x10000UL ) { error = FT_THROW( Invalid_File_Format ); goto Exit; } + /* we currently don't support bit 1; however, it is better to */ + /* draw at least something... */ + if ( flags == 3 ) + FT_TRACE1(( "tt_face_load_sbit_strikes:" + " sbix overlay not supported yet\n" + " " + " expect bad rendering results\n" )); + /* * Count the number of strikes available in the table. We are a bit * paranoid there and don't trust the data. @@ -256,7 +269,8 @@ case TT_SBIT_TABLE_TYPE_SBIX: { FT_Stream stream = face->root.stream; - FT_UInt offset, ppem, resolution, upem; + FT_UInt offset, upem; + FT_UShort ppem, resolution; TT_HoriHeader *hori; FT_ULong table_size; @@ -380,9 +394,11 @@ p += 34; decoder->bit_depth = *p; - if ( decoder->strike_index_array > face->sbit_table_size || - decoder->strike_index_array + 8 * decoder->strike_index_count > - face->sbit_table_size ) + /* decoder->strike_index_array + */ + /* 8 * decoder->strike_index_count > face->sbit_table_size ? */ + if ( decoder->strike_index_array > face->sbit_table_size || + decoder->strike_index_count > + ( face->sbit_table_size - decoder->strike_index_array ) / 8 ) error = FT_THROW( Invalid_File_Format ); } @@ -504,13 +520,20 @@ p += 3; } + else + { + /* avoid uninitialized data in case there is no vertical info -- */ + metrics->vertBearingX = 0; + metrics->vertBearingY = 0; + metrics->vertAdvance = 0; + } decoder->metrics_loaded = 1; *pp = p; return FT_Err_Ok; Fail: - FT_TRACE1(( "tt_sbit_decoder_load_metrics: broken table" )); + FT_TRACE1(( "tt_sbit_decoder_load_metrics: broken table\n" )); return FT_THROW( Invalid_Argument ); } @@ -800,12 +823,12 @@ FT_Error error = FT_Err_Ok; FT_UInt num_components, nn; - FT_Char horiBearingX = decoder->metrics->horiBearingX; - FT_Char horiBearingY = decoder->metrics->horiBearingY; - FT_Byte horiAdvance = decoder->metrics->horiAdvance; - FT_Char vertBearingX = decoder->metrics->vertBearingX; - FT_Char vertBearingY = decoder->metrics->vertBearingY; - FT_Byte vertAdvance = decoder->metrics->vertAdvance; + FT_Char horiBearingX = (FT_Char)decoder->metrics->horiBearingX; + FT_Char horiBearingY = (FT_Char)decoder->metrics->horiBearingY; + FT_Byte horiAdvance = (FT_Byte)decoder->metrics->horiAdvance; + FT_Char vertBearingX = (FT_Char)decoder->metrics->vertBearingX; + FT_Char vertBearingY = (FT_Char)decoder->metrics->vertBearingY; + FT_Byte vertAdvance = (FT_Byte)decoder->metrics->vertAdvance; if ( p + 2 > limit ) @@ -1147,7 +1170,8 @@ num_glyphs = FT_NEXT_ULONG( p ); /* overflow check for p + ( num_glyphs + 1 ) * 4 */ - if ( num_glyphs > (FT_ULong)( ( ( p_limit - p ) >> 2 ) - 1 ) ) + if ( p + 4 > p_limit || + num_glyphs > (FT_ULong)( ( ( p_limit - p ) >> 2 ) - 1 ) ) goto NoBitmap; for ( mm = 0; mm < num_glyphs; mm++ ) @@ -1334,6 +1358,7 @@ case FT_MAKE_TAG( 'j', 'p', 'g', ' ' ): case FT_MAKE_TAG( 't', 'i', 'f', 'f' ): + case FT_MAKE_TAG( 'r', 'g', 'b', 'l' ): /* used on iOS 7.1 */ error = FT_THROW( Unknown_File_Format ); break; @@ -1352,10 +1377,11 @@ tt_face_get_metrics( face, FALSE, glyph_index, &abearing, &aadvance ); - metrics->horiBearingX = originOffsetX; - metrics->horiBearingY = -originOffsetY + metrics->height; - metrics->horiAdvance = aadvance * face->root.size->metrics.x_ppem / - face->header.Units_Per_EM; + metrics->horiBearingX = (FT_Short)originOffsetX; + metrics->horiBearingY = (FT_Short)( -originOffsetY + metrics->height ); + metrics->horiAdvance = (FT_Short)( aadvance * + face->root.size->metrics.x_ppem / + face->header.Units_Per_EM ); } return error; diff --git a/freetype/src/smooth/ftgrays.c b/freetype/src/smooth/ftgrays.c index b1611625d..ea7eaaad3 100644 --- a/freetype/src/smooth/ftgrays.c +++ b/freetype/src/smooth/ftgrays.c @@ -98,6 +98,9 @@ #define FT_ERR_XCAT( x, y ) x ## y #define FT_ERR_CAT( x, y ) FT_ERR_XCAT( x, y ) +#define FT_BEGIN_STMNT do { +#define FT_END_STMNT } while ( 0 ) + /* define this to dump debugging information */ /* #define FT_DEBUG_LEVEL_TRACE */ @@ -402,6 +405,8 @@ typedef ptrdiff_t FT_PtrDist; typedef struct gray_TWorker_ { + ft_jmp_buf jump_buffer; + TCoord ex, ey; TPos min_ex, max_ex; TPos min_ey, max_ey; @@ -437,8 +442,6 @@ typedef ptrdiff_t FT_PtrDist; int band_size; int band_shoot; - ft_jmp_buf jump_buffer; - void* buffer; long buffer_size; @@ -1088,37 +1091,10 @@ typedef ptrdiff_t FT_PtrDist; /* dx and dy are x and y components of the P0-P3 chord vector. */ - dx = arc[3].x - arc[0].x; - dy = arc[3].y - arc[0].y; - - /* L is an (under)estimate of the Euclidean distance P0-P3. */ - /* */ - /* If dx >= dy, then r = sqrt(dx^2 + dy^2) can be overestimated */ - /* with least maximum error by */ - /* */ - /* r_upperbound = dx + (sqrt(2) - 1) * dy , */ - /* */ - /* where sqrt(2) - 1 can be (over)estimated by 107/256, giving an */ - /* error of no more than 8.4%. */ - /* */ - /* Similarly, some elementary calculus shows that r can be */ - /* underestimated with least maximum error by */ - /* */ - /* r_lowerbound = sqrt(2 + sqrt(2)) / 2 * dx */ - /* + sqrt(2 - sqrt(2)) / 2 * dy . */ - /* */ - /* 236/256 and 97/256 are (under)estimates of the two algebraic */ - /* numbers, giving an error of no more than 8.1%. */ - - dx_ = FT_ABS( dx ); - dy_ = FT_ABS( dy ); - - /* This is the same as */ - /* */ - /* L = ( 236 * FT_MAX( dx_, dy_ ) */ - /* + 97 * FT_MIN( dx_, dy_ ) ) >> 8; */ - L = ( dx_ > dy_ ? 236 * dx_ + 97 * dy_ - : 97 * dx_ + 236 * dy_ ) >> 8; + dx = dx_ = arc[3].x - arc[0].x; + dy = dy_ = arc[3].y - arc[0].y; + + L = FT_HYPOT( dx_, dy_ ); /* Avoid possible arithmetic overflow below by splitting. */ if ( L > 32767 ) @@ -1539,7 +1515,10 @@ typedef ptrdiff_t FT_PtrDist; TPos delta; - if ( !outline || !func_interface ) + if ( !outline ) + return FT_THROW( Invalid_Outline ); + + if ( !func_interface ) return FT_THROW( Invalid_Argument ); shift = func_interface->shift; @@ -2121,12 +2100,26 @@ typedef ptrdiff_t FT_PtrDist; } + static int + gray_raster_set_mode( FT_Raster raster, + unsigned long mode, + void* args ) + { + FT_UNUSED( raster ); + FT_UNUSED( mode ); + FT_UNUSED( args ); + + + return 0; /* nothing to do */ + } + + FT_DEFINE_RASTER_FUNCS(ft_grays_raster, FT_GLYPH_FORMAT_OUTLINE, (FT_Raster_New_Func) gray_raster_new, (FT_Raster_Reset_Func) gray_raster_reset, - (FT_Raster_Set_Mode_Func)0, + (FT_Raster_Set_Mode_Func)gray_raster_set_mode, (FT_Raster_Render_Func) gray_raster_render, (FT_Raster_Done_Func) gray_raster_done ) diff --git a/freetype/src/smooth/ftsmooth.c b/freetype/src/smooth/ftsmooth.c index f2fcdede8..4dff563fc 100644 --- a/freetype/src/smooth/ftsmooth.c +++ b/freetype/src/smooth/ftsmooth.c @@ -102,25 +102,24 @@ FT_Render_Mode required_mode ) { FT_Error error; - FT_Outline* outline = NULL; + FT_Outline* outline = &slot->outline; + FT_Bitmap* bitmap = &slot->bitmap; + FT_Memory memory = render->root.memory; FT_BBox cbox; + FT_Pos x_shift = 0; + FT_Pos y_shift = 0; + FT_Pos x_left, y_top; FT_Pos width, height, pitch; #ifndef FT_CONFIG_OPTION_SUBPIXEL_RENDERING FT_Pos height_org, width_org; #endif - FT_Bitmap* bitmap = &slot->bitmap; - FT_Memory memory = render->root.memory; FT_Int hmul = mode == FT_RENDER_MODE_LCD; FT_Int vmul = mode == FT_RENDER_MODE_LCD_V; - FT_Pos x_shift = 0; - FT_Pos y_shift = 0; - FT_Pos x_left, y_top; FT_Raster_Params params; - FT_Bool have_translated_origin = FALSE; - FT_Bool have_outline_shifted = FALSE; - FT_Bool have_buffer = FALSE; + FT_Bool have_outline_shifted = FALSE; + FT_Bool have_buffer = FALSE; /* check glyph image format */ @@ -137,73 +136,45 @@ goto Exit; } - outline = &slot->outline; - - /* translate the outline to the new origin if needed */ if ( origin ) { - FT_Outline_Translate( outline, origin->x, origin->y ); - have_translated_origin = TRUE; + x_shift = origin->x; + y_shift = origin->y; } /* compute the control box, and grid fit it */ + /* taking into account the origin shift */ FT_Outline_Get_CBox( outline, &cbox ); - cbox.xMin = FT_PIX_FLOOR( cbox.xMin ); - cbox.yMin = FT_PIX_FLOOR( cbox.yMin ); - cbox.xMax = FT_PIX_CEIL( cbox.xMax ); - cbox.yMax = FT_PIX_CEIL( cbox.yMax ); + cbox.xMin = FT_PIX_FLOOR( cbox.xMin + x_shift ); + cbox.yMin = FT_PIX_FLOOR( cbox.yMin + y_shift ); + cbox.xMax = FT_PIX_CEIL( cbox.xMax + x_shift ); + cbox.yMax = FT_PIX_CEIL( cbox.yMax + y_shift ); - if ( cbox.xMin < 0 && cbox.xMax > FT_INT_MAX + cbox.xMin ) - { - FT_ERROR(( "ft_smooth_render_generic: glyph too large:" - " xMin = %d, xMax = %d\n", - cbox.xMin >> 6, cbox.xMax >> 6 )); - error = FT_THROW( Raster_Overflow ); - goto Exit; - } - else - width = ( cbox.xMax - cbox.xMin ) >> 6; + x_shift -= cbox.xMin; + y_shift -= cbox.yMin; - if ( cbox.yMin < 0 && cbox.yMax > FT_INT_MAX + cbox.yMin ) - { - FT_ERROR(( "ft_smooth_render_generic: glyph too large:" - " yMin = %d, yMax = %d\n", - cbox.yMin >> 6, cbox.yMax >> 6 )); - error = FT_THROW( Raster_Overflow ); - goto Exit; - } - else - height = ( cbox.yMax - cbox.yMin ) >> 6; + x_left = cbox.xMin >> 6; + y_top = cbox.yMax >> 6; + + width = (FT_ULong)( cbox.xMax - cbox.xMin ) >> 6; + height = (FT_ULong)( cbox.yMax - cbox.yMin ) >> 6; #ifndef FT_CONFIG_OPTION_SUBPIXEL_RENDERING width_org = width; height_org = height; #endif - /* release old bitmap buffer */ - if ( slot->internal->flags & FT_GLYPH_OWN_BITMAP ) - { - FT_FREE( bitmap->buffer ); - slot->internal->flags &= ~FT_GLYPH_OWN_BITMAP; - } - - /* allocate new one */ pitch = width; if ( hmul ) { - width = width * 3; - pitch = FT_PAD_CEIL( width, 4 ); + width *= 3; + pitch = FT_PAD_CEIL( width, 4 ); } if ( vmul ) height *= 3; - x_shift = (FT_Int) cbox.xMin; - y_shift = (FT_Int) cbox.yMin; - x_left = (FT_Int)( cbox.xMin >> 6 ); - y_top = (FT_Int)( cbox.yMax >> 6 ); - #ifdef FT_CONFIG_OPTION_SUBPIXEL_RENDERING if ( slot->library->lcd_filter_func ) @@ -213,23 +184,32 @@ if ( hmul ) { - x_shift -= 64 * ( extra >> 1 ); + x_shift += 64 * ( extra >> 1 ); + x_left -= extra >> 1; width += 3 * extra; pitch = FT_PAD_CEIL( width, 4 ); - x_left -= extra >> 1; } if ( vmul ) { - y_shift -= 64 * ( extra >> 1 ); - height += 3 * extra; + y_shift += 64 * ( extra >> 1 ); y_top += extra >> 1; + height += 3 * extra; } } #endif -#if FT_UINT_MAX > 0xFFFFU + /* + * XXX: on 16bit system, we return an error for huge bitmap + * to prevent an overflow. + */ + if ( x_left > FT_INT_MAX || y_top > FT_INT_MAX || + x_left < FT_INT_MIN || y_top < FT_INT_MIN ) + { + error = FT_THROW( Invalid_Pixel_Size ); + goto Exit; + } /* Required check is (pitch * height < FT_ULONG_MAX), */ /* but we care realistic cases only. Always pitch <= width. */ @@ -241,7 +221,24 @@ goto Exit; } -#endif + /* release old bitmap buffer */ + if ( slot->internal->flags & FT_GLYPH_OWN_BITMAP ) + { + FT_FREE( bitmap->buffer ); + slot->internal->flags &= ~FT_GLYPH_OWN_BITMAP; + } + + /* allocate new one */ + if ( FT_ALLOC( bitmap->buffer, (FT_ULong)pitch * height ) ) + goto Exit; + else + have_buffer = TRUE; + + slot->internal->flags |= FT_GLYPH_OWN_BITMAP; + + slot->format = FT_GLYPH_FORMAT_BITMAP; + slot->bitmap_left = (FT_Int)x_left; + slot->bitmap_top = (FT_Int)y_top; bitmap->pixel_mode = FT_PIXEL_MODE_GRAY; bitmap->num_grays = 256; @@ -250,15 +247,11 @@ bitmap->pitch = pitch; /* translate outline to render it into the bitmap */ - FT_Outline_Translate( outline, -x_shift, -y_shift ); - have_outline_shifted = TRUE; - - if ( FT_ALLOC( bitmap->buffer, (FT_ULong)pitch * height ) ) - goto Exit; - else - have_buffer = TRUE; - - slot->internal->flags |= FT_GLYPH_OWN_BITMAP; + if ( x_shift || y_shift ) + { + FT_Outline_Translate( outline, x_shift, y_shift ); + have_outline_shifted = TRUE; + } /* set up parameters */ params.target = bitmap; @@ -365,20 +358,6 @@ #endif /* !FT_CONFIG_OPTION_SUBPIXEL_RENDERING */ - /* - * XXX: on 16bit system, we return an error for huge bitmap - * to prevent an overflow. - */ - if ( x_left > FT_INT_MAX || y_top > FT_INT_MAX ) - { - error = FT_THROW( Invalid_Pixel_Size ); - goto Exit; - } - - slot->format = FT_GLYPH_FORMAT_BITMAP; - slot->bitmap_left = (FT_Int)x_left; - slot->bitmap_top = (FT_Int)y_top; - /* everything is fine; don't deallocate buffer */ have_buffer = FALSE; @@ -386,9 +365,7 @@ Exit: if ( have_outline_shifted ) - FT_Outline_Translate( outline, x_shift, y_shift ); - if ( have_translated_origin ) - FT_Outline_Translate( outline, -origin->x, -origin->y ); + FT_Outline_Translate( outline, -x_shift, -y_shift ); if ( have_buffer ) { FT_FREE( bitmap->buffer ); diff --git a/freetype/src/tools/afblue.pl b/freetype/src/tools/afblue.pl index 58aa2a055..60fe6966a 100644 --- a/freetype/src/tools/afblue.pl +++ b/freetype/src/tools/afblue.pl @@ -63,8 +63,8 @@ my $enum_element_re = qr/ ^ \s* ( [A-Za-z0-9_]+ ) \s* $ /x; # '#' <preprocessor directive> '\n' my $preprocessor_re = qr/ ^ \# /x; -# '/' '/' <comment> '\n' -my $comment_re = qr| ^ // |x; +# [<ws>] '/' '/' <comment> '\n' +my $comment_re = qr| ^ \s* // |x; # empty line my $whitespace_only_re = qr/ ^ \s* $ /x; @@ -159,6 +159,9 @@ sub convert_ascii_chars # A series of ASCII characters in the printable range. my $s = shift; + # We ignore spaces. + $s =~ s/ //g; + my $count = $s =~ s/\G(.)/'$1', /g; $curr_offset += $count; $curr_elem_size += $count; diff --git a/freetype/src/tools/docmaker/content.py b/freetype/src/tools/docmaker/content.py index 98025e67e..adea6f1d7 100644 --- a/freetype/src/tools/docmaker/content.py +++ b/freetype/src/tools/docmaker/content.py @@ -1,57 +1,81 @@ -# Content (c) 2002, 2004, 2006-2009, 2012, 2013 -# David Turner <david@freetype.org> # -# This file contains routines used to parse the content of documentation -# comment blocks and build more structured objects out of them. +# content.py +# +# Parse comment blocks to build content blocks (library file). +# +# Copyright 2002, 2004, 2006-2009, 2012-2014 by +# David Turner. +# +# This file is part of the FreeType project, and may only be used, +# modified, and distributed under the terms of the FreeType project +# license, LICENSE.TXT. By continuing to use, modify, or distribute +# this file you indicate that you have read the license and +# understand and accept it fully. + +# +# This file contains routines to parse documentation comment blocks, +# building more structured objects out of them. # + from sources import * -from utils import * +from utils import * + import string, re -# this regular expression is used to detect code sequences. these -# are simply code fragments embedded in '{' and '}' like in: # -# { -# x = y + z; -# if ( zookoo == 2 ) -# { -# foobar(); -# } -# } +# Regular expressions to detect code sequences. `Code sequences' are simply +# code fragments embedded in '{' and '}', as demonstrated in the following +# example. +# +# { +# x = y + z; +# if ( zookoo == 2 ) +# { +# foobar(); +# } +# } # -# note that indentation of the starting and ending accolades must be -# exactly the same. the code sequence can contain accolades at greater -# indentation +# Note that the indentation of the first opening brace and the last closing +# brace must be exactly the same. The code sequence itself should have a +# larger indentation than the surrounding braces. # re_code_start = re.compile( r"(\s*){\s*$" ) re_code_end = re.compile( r"(\s*)}\s*$" ) -# this regular expression is used to isolate identifiers from -# other text # -re_identifier = re.compile( r'((?:\w|-)*)' ) - - -# we collect macros ending in `_H'; while outputting the object data, we use -# this info together with the object's file location to emit the appropriate -# header file macro and name before the object itself +# A regular expression to isolate identifiers from other text. # -re_header_macro = re.compile( r'^#define\s{1,}(\w{1,}_H)\s{1,}<(.*)>' ) +re_identifier = re.compile( r'((?:\w|-)*)' ) -############################################################################# # -# The DocCode class is used to store source code lines. +# We collect macro names ending in `_H' (group 1), as defined in +# `config/ftheader.h'. While outputting the object data, we use this info +# together with the object's file location (group 2) to emit the appropriate +# header file macro and its associated file name before the object itself. # -# 'self.lines' contains a set of source code lines that will be dumped as -# HTML in a <PRE> tag. +# Example: # -# The object is filled line by line by the parser; it strips the leading -# "margin" space from each input line before storing it in 'self.lines'. +# #define FT_FREETYPE_H <freetype.h> # +re_header_macro = re.compile( r'^#define\s{1,}(\w{1,}_H)\s{1,}<(.*)>' ) + + +################################################################ +## +## DOC CODE CLASS +## +## The `DocCode' class is used to store source code lines. +## +## `self.lines' contains a set of source code lines that will be dumped as +## HTML in a <PRE> tag. +## +## The object is filled line by line by the parser; it strips the leading +## `margin' space from each input line before storing it in `self.lines'. +## class DocCode: def __init__( self, margin, lines ): @@ -77,12 +101,14 @@ class DocCode: -############################################################################# -# -# The DocPara class is used to store "normal" text paragraph. -# -# 'self.words' contains the list of words that make up the paragraph -# +################################################################ +## +## DOC PARA CLASS +## +## `Normal' text paragraphs are stored in the `DocPara' class. +## +## `self.words' contains the list of words that make up the paragraph. +## class DocPara: def __init__( self, lines ): @@ -123,17 +149,18 @@ class DocPara: return result - -############################################################################# -# -# The DocField class is used to store a list containing either DocPara or -# DocCode objects. Each DocField also has an optional "name" which is used -# when the object corresponds to a field or value definition -# +################################################################ +## +## DOC FIELD CLASS +## +## The `DocField' class stores a list containing either `DocPara' or +## `DocCode' objects. Each DocField object also has an optional `name' +## that is used when the object corresponds to a field or value definition. +## class DocField: def __init__( self, name, lines ): - self.name = name # can be None for normal paragraphs/sources + self.name = name # can be `None' for normal paragraphs/sources self.items = [] # list of items mode_none = 0 # start parsing mode @@ -143,14 +170,14 @@ class DocField: margin = -1 # current code sequence indentation cur_lines = [] - # now analyze the markup lines to see if they contain paragraphs, - # code sequences or fields definitions + # analyze the markup lines to check whether they contain paragraphs, + # code sequences, or fields definitions # start = 0 mode = mode_none for l in lines: - # are we parsing a code sequence ? + # are we parsing a code sequence? if mode == mode_code: m = re_code_end.match( l ) if m and len( m.group( 1 ) ) <= margin: @@ -161,10 +188,10 @@ class DocField: cur_lines = [] mode = mode_none else: - # nope, continue the code sequence + # otherwise continue the code sequence cur_lines.append( l[margin:] ) else: - # start of code sequence ? + # start of code sequence? m = re_code_start.match( l ) if m: # save current lines @@ -222,13 +249,29 @@ class DocField: return result - -# this regular expression is used to detect field definitions # -re_field = re.compile( r"\s*(\w*|\w(\w|\.)*\w)\s*::" ) - - - +# A regular expression to detect field definitions. +# +# Examples: +# +# foo :: +# foo.bar :: +# +re_field = re.compile( r""" + \s* + ( + \w* + | + \w (\w | \.)* \w + ) + \s* :: + """, re.VERBOSE ) + + +################################################################ +## +## DOC MARKUP CLASS +## class DocMarkup: def __init__( self, tag, lines ): @@ -242,7 +285,7 @@ class DocMarkup: for l in lines: m = re_field.match( l ) if m: - # we detected the start of a new field definition + # We detected the start of a new field definition. # first, save the current one if cur_lines: @@ -275,7 +318,10 @@ class DocMarkup: print " " * margin + "</" + self.tag + ">" - +################################################################ +## +## DOC CHAPTER CLASS +## class DocChapter: def __init__( self, block ): @@ -291,7 +337,10 @@ class DocChapter: self.order = [] - +################################################################ +## +## DOC SECTION CLASS +## class DocSection: def __init__( self, name = "Other" ): @@ -320,18 +369,21 @@ class DocSection: self.title = title self.abstract = block.get_markup_words( "abstract" ) self.description = block.get_markup_items( "description" ) - self.order = block.get_markup_words( "order" ) + self.order = block.get_markup_words_all( "order" ) return def reorder( self ): self.block_names = sort_order_list( self.block_names, self.order ) - +################################################################ +## +## CONTENT PROCESSOR CLASS +## class ContentProcessor: def __init__( self ): - """initialize a block content processor""" + """Initialize a block content processor.""" self.reset() self.sections = {} # dictionary of documentation sections @@ -342,8 +394,8 @@ class ContentProcessor: self.headers = {} # dictionary of header macros def set_section( self, section_name ): - """set current section during parsing""" - if not self.sections.has_key( section_name ): + """Set current section during parsing.""" + if not section_name in self.sections: section = DocSection( section_name ) self.sections[section_name] = section self.section = section @@ -354,15 +406,14 @@ class ContentProcessor: chapter = DocChapter( block ) self.chapters.append( chapter ) - def reset( self ): - """reset the content processor for a new block""" + """Reset the content processor for a new block.""" self.markups = [] self.markup = None self.markup_lines = [] def add_markup( self ): - """add a new markup section""" + """Add a new markup section.""" if self.markup and self.markup_lines: # get rid of last line of markup if it's empty @@ -378,8 +429,8 @@ class ContentProcessor: self.markup_lines = [] def process_content( self, content ): - """process a block content and return a list of DocMarkup objects - corresponding to it""" + """Process a block content and return a list of DocMarkup objects + corresponding to it.""" markup = None markup_lines = [] first = 1 @@ -437,7 +488,7 @@ class ContentProcessor: # listed there for chap in self.chapters: for sec in chap.order: - if self.sections.has_key( sec ): + if sec in self.sections: section = self.sections[sec] section.chapter = chap section.reorder() @@ -452,6 +503,7 @@ class ContentProcessor: others = [] for sec in self.sections.values(): if not sec.chapter: + sec.reorder() others.append( sec ) # create a new special chapter for all remaining sections @@ -463,7 +515,10 @@ class ContentProcessor: self.chapters.append( chap ) - +################################################################ +## +## DOC BLOCK CLASS +## class DocBlock: def __init__( self, source, follow, processor ): @@ -540,7 +595,7 @@ class DocBlock: return self.source.location() def get_markup( self, tag_name ): - """return the DocMarkup corresponding to a given tag in a block""" + """Return the DocMarkup corresponding to a given tag in a block.""" for m in self.markups: if m.tag == string.lower( tag_name ): return m @@ -553,6 +608,21 @@ class DocBlock: except: return [] + def get_markup_words_all( self, tag_name ): + try: + m = self.get_markup( tag_name ) + words = [] + for item in m.fields[0].items: + # We honour empty lines in an `<Order>' section element by + # adding the sentinel `/empty/'. The formatter should then + # convert it to an appropriate representation in the + # `section_enter' function. + words += item.words + words.append( "/empty/" ) + return words + except: + return [] + def get_markup_text( self, tag_name ): result = self.get_markup_words( tag_name ) return string.join( result ) diff --git a/freetype/src/tools/docmaker/docmaker.py b/freetype/src/tools/docmaker/docmaker.py index bf75c5d5f..4fb1abf23 100644 --- a/freetype/src/tools/docmaker/docmaker.py +++ b/freetype/src/tools/docmaker/docmaker.py @@ -1,16 +1,26 @@ #!/usr/bin/env python # -# DocMaker (c) 2002, 2004, 2008, 2013 David Turner <david@freetype.org> +# docmaker.py # -# This program is a re-write of the original DocMaker tool used -# to generate the API Reference of the FreeType font engine -# by converting in-source comments into structured HTML. +# Convert source code markup to HTML documentation. # -# This new version is capable of outputting XML data, as well -# as accepts more liberal formatting options. +# Copyright 2002, 2004, 2008, 2013, 2014 by +# David Turner. # -# It also uses regular expression matching and substitution -# to speed things significantly. +# This file is part of the FreeType project, and may only be used, +# modified, and distributed under the terms of the FreeType project +# license, LICENSE.TXT. By continuing to use, modify, or distribute +# this file you indicate that you have read the license and +# understand and accept it fully. + +# +# This program is a re-write of the original DocMaker tool used to generate +# the API Reference of the FreeType font rendering engine by converting +# in-source comments into structured HTML. +# +# This new version is capable of outputting XML data as well as accepting +# more liberal formatting options. It also uses regular expression matching +# and substitution to speed up operation significantly. # from sources import * @@ -39,13 +49,13 @@ def usage(): def main( argv ): - """main program loop""" + """Main program loop.""" global output_dir try: - opts, args = getopt.getopt( sys.argv[1:], \ - "ht:o:p:", \ + opts, args = getopt.getopt( sys.argv[1:], + "ht:o:p:", ["help", "title=", "output=", "prefix="] ) except getopt.GetoptError: usage() @@ -56,7 +66,6 @@ def main( argv ): sys.exit( 1 ) # process options - # project_title = "Project" project_prefix = None output_dir = None @@ -90,7 +99,9 @@ def main( argv ): # process sections content_processor.finish() - formatter = HtmlFormatter( content_processor, project_title, project_prefix ) + formatter = HtmlFormatter( content_processor, + project_title, + project_prefix ) formatter.toc_dump() formatter.index_dump() @@ -98,9 +109,7 @@ def main( argv ): # if called from the command line -# if __name__ == '__main__': main( sys.argv ) - # eof diff --git a/freetype/src/tools/docmaker/formatter.py b/freetype/src/tools/docmaker/formatter.py index f62ce676c..7152c019d 100644 --- a/freetype/src/tools/docmaker/formatter.py +++ b/freetype/src/tools/docmaker/formatter.py @@ -1,19 +1,37 @@ -# Formatter (c) 2002, 2004, 2007, 2008 David Turner <david@freetype.org> # +# formatter.py +# +# Convert parsed content blocks to a structured document (library file). +# +# Copyright 2002, 2004, 2007, 2008, 2014 by +# David Turner. +# +# This file is part of the FreeType project, and may only be used, +# modified, and distributed under the terms of the FreeType project +# license, LICENSE.TXT. By continuing to use, modify, or distribute +# this file you indicate that you have read the license and +# understand and accept it fully. + +# +# This is the base Formatter class. Its purpose is to convert a content +# processor's data into specific documents (i.e., table of contents, global +# index, and individual API reference indices). +# +# You need to sub-class it to output anything sensible. For example, the +# file `tohtml.py' contains the definition of the `HtmlFormatter' sub-class +# to output HTML. +# + from sources import * from content import * from utils import * -# This is the base Formatter class. Its purpose is to convert -# a content processor's data into specific documents (i.e., table of -# contents, global index, and individual API reference indices). -# -# You need to sub-class it to output anything sensible. For example, -# the file tohtml.py contains the definition of the HtmlFormatter sub-class -# used to output -- you guessed it -- HTML. -# +################################################################ +## +## FORMATTER CLASS +## class Formatter: def __init__( self, processor ): @@ -36,20 +54,22 @@ class Formatter: self.add_identifier( field.name, block ) self.block_index = self.identifiers.keys() - self.block_index.sort( index_sort ) + self.block_index.sort( key = index_key ) def add_identifier( self, name, block ): - if self.identifiers.has_key( name ): + if name in self.identifiers: # duplicate name! - sys.stderr.write( \ - "WARNING: duplicate definition for '" + name + "' in " + \ - block.location() + ", previous definition in " + \ - self.identifiers[name].location() + "\n" ) + sys.stderr.write( "WARNING: duplicate definition for" + + " '" + name + "' " + + "in " + block.location() + ", " + + "previous definition in " + + self.identifiers[name].location() + + "\n" ) else: self.identifiers[name] = block # - # Formatting the table of contents + # formatting the table of contents # def toc_enter( self ): pass @@ -97,7 +117,7 @@ class Formatter: close_output( output ) # - # Formatting the index + # formatting the index # def index_enter( self ): pass @@ -128,7 +148,7 @@ class Formatter: close_output( output ) # - # Formatting a section + # formatting a section # def section_enter( self, section ): pass @@ -162,7 +182,22 @@ class Formatter: self.section_enter( section ) for name in section.block_names: - block = self.identifiers[name] + skip_entry = 0 + try: + block = self.identifiers[name] + # `block_names' can contain field names also, + # which we filter out + for markup in block.markups: + if markup.tag == 'values': + for field in markup.fields: + if field.name == name: + skip_entry = 1 + except: + skip_entry = 1 # this happens e.g. for `/empty/' entries + + if skip_entry: + continue + self.block_enter( block ) for markup in block.markups[1:]: # always ignore first markup! diff --git a/freetype/src/tools/docmaker/sources.py b/freetype/src/tools/docmaker/sources.py index dab834978..61ecc22c4 100644 --- a/freetype/src/tools/docmaker/sources.py +++ b/freetype/src/tools/docmaker/sources.py @@ -1,62 +1,70 @@ -# Sources (c) 2002-2004, 2006-2009, 2012, 2013 -# David Turner <david@freetype.org> # +# sources.py # -# this file contains definitions of classes needed to decompose -# C sources files into a series of multi-line "blocks". There are -# two kinds of blocks: +# Convert source code comments to multi-line blocks (library file). # -# - normal blocks, which contain source code or ordinary comments +# Copyright 2002-2004, 2006-2009, 2012-2014 by +# David Turner. # -# - documentation blocks, which have restricted formatting, and -# whose text always start with a documentation markup tag like -# "<Function>", "<Type>", etc.. +# This file is part of the FreeType project, and may only be used, +# modified, and distributed under the terms of the FreeType project +# license, LICENSE.TXT. By continuing to use, modify, or distribute +# this file you indicate that you have read the license and +# understand and accept it fully. + +# +# This library file contains definitions of classes needed to decompose C +# source code files into a series of multi-line `blocks'. There are two +# kinds of blocks. +# +# - Normal blocks, which contain source code or ordinary comments. # -# the routines used to process the content of documentation blocks -# are not contained here, but in "content.py" +# - Documentation blocks, which have restricted formatting, and whose text +# always start with a documentation markup tag like `<Function>', +# `<Type>', etc. # -# the classes and methods found here only deal with text parsing -# and basic documentation block extraction +# The routines to process the content of documentation blocks are contained +# in file `content.py'; the classes and methods found here only deal with +# text parsing and basic documentation block extraction. # -import fileinput, re, sys, os, string +import fileinput, re, sys, os, string ################################################################ ## -## BLOCK FORMAT PATTERN +## SOURCE BLOCK FORMAT CLASS +## +## A simple class containing compiled regular expressions to detect +## potential documentation format block comments within C source code. ## -## A simple class containing compiled regular expressions used -## to detect potential documentation format block comments within -## C source code +## The `column' pattern must contain a group to `unbox' the content of +## documentation comment blocks. ## -## note that the 'column' pattern must contain a group that will -## be used to "unbox" the content of documentation comment blocks +## Later on, paragraphs are converted to long lines, which simplifies the +## regular expressions that act upon the text. ## class SourceBlockFormat: def __init__( self, id, start, column, end ): - """create a block pattern, used to recognize special documentation blocks""" + """Create a block pattern, used to recognize special documentation + blocks.""" self.id = id self.start = re.compile( start, re.VERBOSE ) self.column = re.compile( column, re.VERBOSE ) self.end = re.compile( end, re.VERBOSE ) - # -# format 1 documentation comment blocks look like the following: +# Format 1 documentation comment blocks. # -# /************************************/ +# /************************************/ (at least 2 asterisks) # /* */ # /* */ # /* */ -# /************************************/ -# -# we define a few regular expressions here to detect them +# /************************************/ (at least 2 asterisks) # - start = r''' \s* # any number of whitespace /\*{2,}/ # followed by '/' and at least two asterisks then '/' @@ -75,16 +83,13 @@ re_source_block_format1 = SourceBlockFormat( 1, start, column, start ) # -# format 2 documentation comment blocks look like the following: +# Format 2 documentation comment blocks. # # /************************************ (at least 2 asterisks) # * +# * (1 asterisk) # * -# * -# * -# **/ (1 or more asterisks at the end) -# -# we define a few regular expressions here to detect them +# */ (1 or more asterisks) # start = r''' \s* # any number of whitespace @@ -93,9 +98,9 @@ start = r''' ''' column = r''' - \s* # any number of whitespace - \*{1}(?!/) # followed by precisely one asterisk not followed by `/' - (.*) # then anything (group1) + \s* # any number of whitespace + \*{1}(?![*/]) # followed by precisely one asterisk not followed by `/' + (.*) # then anything (group1) ''' end = r''' @@ -107,47 +112,56 @@ re_source_block_format2 = SourceBlockFormat( 2, start, column, end ) # -# the list of supported documentation block formats, we could add new ones -# relatively easily +# The list of supported documentation block formats. We could add new ones +# quite easily. # re_source_block_formats = [re_source_block_format1, re_source_block_format2] # -# the following regular expressions corresponds to markup tags -# within the documentation comment blocks. they're equivalent -# despite their different syntax +# The following regular expressions correspond to markup tags within the +# documentation comment blocks. They are equivalent despite their different +# syntax. +# +# A markup tag consists of letters or character `-', to be found in group 1. # -# notice how each markup tag _must_ begin a new line +# Notice that a markup tag _must_ begin a new paragraph. # re_markup_tag1 = re.compile( r'''\s*<((?:\w|-)*)>''' ) # <xxxx> format re_markup_tag2 = re.compile( r'''\s*@((?:\w|-)*):''' ) # @xxxx: format # -# the list of supported markup tags, we could add new ones relatively -# easily +# The list of supported markup tags. We could add new ones quite easily. # re_markup_tags = [re_markup_tag1, re_markup_tag2] + # -# used to detect a cross-reference, after markup tags have been stripped +# A regular expression to detect a cross reference, after markup tags have +# been stripped off. Group 1 is the reference, group 2 the rest of the +# line. +# +# A cross reference consists of letters, digits, or characters `-' and `_'. # re_crossref = re.compile( r'@((?:\w|-)*)(.*)' ) # @foo # -# used to detect italic and bold styles in paragraph text +# Two regular expressions to detect italic and bold markup, respectively. +# Group 1 is the markup, group 2 the rest of the line. +# +# Note that the markup is limited to words consisting of letters, digits, +# the character `_', or an apostrophe (but not as the first character). # -re_italic = re.compile( r"_(\w(\w|')*)_(.*)" ) # _italic_ -re_bold = re.compile( r"\*(\w(\w|')*)\*(.*)" ) # *bold* +re_italic = re.compile( r"_(\w(?:\w|')*)_(.*)" ) # _italic_ +re_bold = re.compile( r"\*(\w(?:\w|')*)\*(.*)" ) # *bold* # -# this regular expression code to identify an URL has been taken from +# This regular expression code to identify an URL has been taken from # # http://mail.python.org/pipermail/tutor/2002-September/017228.html # -# (with slight modifications) +# (with slight modifications). # - urls = r'(?:https?|telnet|gopher|file|wais|ftp)' ltrs = r'\w' gunk = r'/#~:.?+=&%@!\-' @@ -177,17 +191,22 @@ url = r""" re_url = re.compile( url, re.VERBOSE | re.MULTILINE ) # -# used to detect the end of commented source lines +# A regular expression that stops collection of comments for the current +# block. # -re_source_sep = re.compile( r'\s*/\*\s*\*/' ) +re_source_sep = re.compile( r'\s*/\*\s*\*/' ) # /* */ # -# used to perform cross-reference within source output +# A regular expression to find possible C identifiers while outputting +# source code verbatim, covering things like `*foo' or `(bar'. Group 1 is +# the prefix, group 2 the identifier -- since we scan lines from left to +# right, sequentially splitting the source code into prefix and identifier +# is fully sufficient for our purposes. # re_source_crossref = re.compile( r'(\W*)(\w*)' ) # -# a list of reserved source keywords +# A regular expression that matches a list of reserved C source keywords. # re_source_keywords = re.compile( '''\\b ( typedef | struct | @@ -215,24 +234,16 @@ re_source_keywords = re.compile( '''\\b ( typedef | ## ## SOURCE BLOCK CLASS ## -## A SourceProcessor is in charge of reading a C source file -## and decomposing it into a series of different "SourceBlocks". -## each one of these blocks can be made of the following data: -## -## - A documentation comment block that starts with "/**" and -## whose exact format will be discussed later -## -## - normal sources lines, including comments +## There are two important fields in a `SourceBlock' object. ## -## the important fields in a text block are the following ones: +## self.lines +## A list of text lines for the corresponding block. ## -## self.lines : a list of text lines for the corresponding block -## -## self.content : for documentation comment blocks only, this is the -## block content that has been "unboxed" from its -## decoration. This is None for all other blocks -## (i.e. sources or ordinary comments with no starting -## markup tag) +## self.content +## For documentation comment blocks only, this is the block content +## that has been `unboxed' from its decoration. This is `None' for all +## other blocks (i.e., sources or ordinary comments with no starting +## markup tag) ## class SourceBlock: @@ -269,7 +280,7 @@ class SourceBlock: def location( self ): return "(" + self.filename + ":" + repr( self.lineno ) + ")" - # debugging only - not used in normal operations + # debugging only -- not used in normal operations def dump( self ): if self.content: print "{{{content start---" @@ -286,39 +297,38 @@ class SourceBlock: print line - ################################################################ ## ## SOURCE PROCESSOR CLASS ## -## The SourceProcessor is in charge of reading a C source file -## and decomposing it into a series of different "SourceBlock" -## objects. +## The `SourceProcessor' is in charge of reading a C source file and +## decomposing it into a series of different `SourceBlock' objects. ## -## each one of these blocks can be made of the following data: +## A SourceBlock object consists of the following data. ## -## - A documentation comment block that starts with "/**" and -## whose exact format will be discussed later +## - A documentation comment block using one of the layouts above. Its +## exact format will be discussed later. ## -## - normal sources lines, include comments +## - Normal sources lines, including comments. ## ## class SourceProcessor: def __init__( self ): - """initialize a source processor""" + """Initialize a source processor.""" self.blocks = [] self.filename = None self.format = None self.lines = [] def reset( self ): - """reset a block processor, clean all its blocks""" + """Reset a block processor and clean up all its blocks.""" self.blocks = [] self.format = None def parse_file( self, filename ): - """parse a C source file, and add its blocks to the processor's list""" + """Parse a C source file and add its blocks to the processor's + list.""" self.reset() self.filename = filename @@ -337,16 +347,16 @@ class SourceProcessor: self.process_normal_line( line ) else: if self.format.end.match( line ): - # that's a normal block end, add it to 'lines' and - # create a new block + # A normal block end. Add it to `lines' and create a + # new block self.lines.append( line ) self.add_block_lines() elif self.format.column.match( line ): - # that's a normal column line, add it to 'lines' + # A normal column line. Add it to `lines'. self.lines.append( line ) else: - # humm.. this is an unexpected block end, - # create a new block, but don't process the line + # An unexpected block end. Create a new block, but + # don't process the line. self.add_block_lines() # we need to process the line again @@ -356,7 +366,8 @@ class SourceProcessor: self.add_block_lines() def process_normal_line( self, line ): - """process a normal line and check whether it is the start of a new block""" + """Process a normal line and check whether it is the start of a new + block.""" for f in re_source_block_formats: if f.start.match( line ): self.add_block_lines() @@ -366,9 +377,12 @@ class SourceProcessor: self.lines.append( line ) def add_block_lines( self ): - """add the current accumulated lines and create a new block""" + """Add the current accumulated lines and create a new block.""" if self.lines != []: - block = SourceBlock( self, self.filename, self.lineno, self.lines ) + block = SourceBlock( self, + self.filename, + self.lineno, + self.lines ) self.blocks.append( block ) self.format = None @@ -376,7 +390,7 @@ class SourceProcessor: # debugging only, not used in normal operations def dump( self ): - """print all blocks in a processor""" + """Print all blocks in a processor.""" for b in self.blocks: b.dump() diff --git a/freetype/src/tools/docmaker/tohtml.py b/freetype/src/tools/docmaker/tohtml.py index 7944f1c99..05fc08a92 100644 --- a/freetype/src/tools/docmaker/tohtml.py +++ b/freetype/src/tools/docmaker/tohtml.py @@ -1,5 +1,19 @@ -# ToHTML (c) 2002, 2003, 2005-2008, 2013 -# David Turner <david@freetype.org> +# +# tohtml.py +# +# A sub-class container of the `Formatter' class to produce HTML. +# +# Copyright 2002, 2003, 2005-2008, 2013, 2014 by +# David Turner. +# +# This file is part of the FreeType project, and may only be used, +# modified, and distributed under the terms of the FreeType project +# license, LICENSE.TXT. By continuing to use, modify, or distribute +# this file you indicate that you have read the license and +# understand and accept it fully. + +# The parent class is contained in file `formatter.py'. + from sources import * from content import * @@ -8,7 +22,7 @@ from formatter import * import time -# The following defines the HTML header used by all generated pages. +# The following strings define the HTML header used by all generated pages. html_header_1 = """\ <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> @@ -21,62 +35,125 @@ html_header_1 = """\ html_header_2 = """\ API Reference</title> <style type="text/css"> + a:link { color: #0000EF; } + a:visited { color: #51188E; } + a:hover { color: #FF0000; } + body { font-family: Verdana, Geneva, Arial, Helvetica, serif; color: #000000; - background: #FFFFFF; } + background: #FFFFFF; + width: 87%; + margin: auto; } + + div.section { width: 75%; + margin: auto; } + div.section hr { margin: 4ex 0 1ex 0; } + div.section h4 { background-color: #EEEEFF; + font-size: medium; + font-style: oblique; + font-weight: bold; + margin: 3ex 0 1.5ex 9%; + padding: 0.3ex 0 0.3ex 1%; } + div.section p { margin: 1.5ex 0 1.5ex 10%; } + div.section pre { margin: 3ex 0 3ex 9%; + background-color: #D6E8FF; + padding: 2ex 0 2ex 1%; } + div.section table.fields { width: 90%; + margin: 1.5ex 0 1.5ex 10%; } + div.section table.toc { width: 95%; + margin: 1.5ex 0 1.5ex 5%; } + div.timestamp { text-align: center; + font-size: 69%; + margin: 1.5ex 0 1.5ex 0; } - p { text-align: justify; } h1 { text-align: center; } - li { text-align: justify; } - td { padding: 0 0.5em 0 0.5em; } - td.left { padding: 0 0.5em 0 0.5em; - text-align: left; } + h3 { font-size: medium; + margin: 4ex 0 1.5ex 0; } - a:link { color: #0000EF; } - a:visited { color: #51188E; } - a:hover { color: #FF0000; } + p { text-align: justify; } + + pre.colored { color: blue; } span.keyword { font-family: monospace; text-align: left; white-space: pre; color: darkblue; } - pre.colored { color: blue; } + table.fields td.val { font-weight: bold; + text-align: right; + width: 30%; + vertical-align: baseline; + padding: 1ex 1em 1ex 0; } + table.fields td.desc { vertical-align: baseline; + padding: 1ex 0 1ex 1em; } + table.fields td.desc p:first-child { margin: 0; } + table.fields td.desc p { margin: 1.5ex 0 0 0; } + table.index { margin: 6ex auto 6ex auto; + border: 0; + border-collapse: separate; + border-spacing: 1em 0.3ex; } + table.index tr { padding: 0; } + table.index td { padding: 0; } + table.index-toc-link { width: 100%; + border: 0; + border-spacing: 0; + margin: 1ex 0 1ex 0; } + table.index-toc-link td.left { padding: 0 0.5em 0 0.5em; + font-size: 83%; + text-align: left; } + table.index-toc-link td.middle { padding: 0 0.5em 0 0.5em; + font-size: 83%; + text-align: center; } + table.index-toc-link td.right { padding: 0 0.5em 0 0.5em; + font-size: 83%; + text-align: right; } + table.synopsis { margin: 6ex auto 6ex auto; + border: 0; + border-collapse: separate; + border-spacing: 2em 0.6ex; } + table.synopsis tr { padding: 0; } + table.synopsis td { padding: 0; } + table.toc td.link { width: 30%; + text-align: right; + vertical-align: baseline; + padding: 1ex 1em 1ex 0; } + table.toc td.desc { vertical-align: baseline; + padding: 1ex 0 1ex 1em; + text-align: left; } + table.toc td.desc p:first-child { margin: 0; + text-align: left; } + table.toc td.desc p { margin: 1.5ex 0 0 0; + text-align: left; } - ul.empty { list-style-type: none; } </style> </head> <body> """ -html_header_3 = """ -<table align=center><tr><td><font size=-1>[<a href="\ +html_header_3l = """ +<table class="index-toc-link"><tr><td class="left">[<a href="\ """ -html_header_3i = """ -<table align=center><tr><td width="100%"></td> -<td><font size=-1>[<a href="\ +html_header_3r = """ +<table class="index-toc-link"><tr><td class="right">[<a href="\ """ html_header_4 = """\ -">Index</a>]</font></td> -<td width="100%"></td> -<td><font size=-1>[<a href="\ +">Index</a>]</td><td class="right">[<a href="\ """ -html_header_5 = """\ -">TOC</a>]</font></td></tr></table> -<center><h1>\ +html_header_5t = """\ +">TOC</a>]</td></tr></table> +<h1>\ """ -html_header_5t = """\ -">Index</a>]</font></td> -<td width="100%"></td></tr></table> -<center><h1>\ +html_header_5i = """\ +">Index</a>]</td></tr></table> +<h1>\ """ html_header_6 = """\ - API Reference</h1></center> + API Reference</h1> """ @@ -87,8 +164,8 @@ html_footer = """\ """ # The header and footer used for each section. -section_title_header = "<center><h1>" -section_title_footer = "</h1></center>" +section_title_header = "<h1>" +section_title_footer = "</h1>" # The header and footer used for code segments. code_header = '<pre class="colored">' @@ -99,66 +176,65 @@ para_header = "<p>" para_footer = "</p>" # Block header and footer. -block_header = '<table align=center width="75%"><tr><td>' +block_header = '<div class="section">' block_footer_start = """\ -</td></tr></table> -<hr width="75%"> -<table align=center width="75%"><tr><td><font size=-2>[<a href="\ +<hr> +<table class="index-toc-link"><tr><td class="left">[<a href="\ """ block_footer_middle = """\ -">Index</a>]</font></td> -<td width="100%"></td> -<td><font size=-2>[<a href="\ +">Index</a>]</td>\ +<td class="middle">[<a href="#">Top</a>]</td>\ +<td class="right">[<a href="\ """ block_footer_end = """\ -">TOC</a>]</font></td></tr></table> +">TOC</a>]</td></tr></table></div> """ # Description header/footer. -description_header = '<table align=center width="87%"><tr><td>' -description_footer = "</td></tr></table><br>" +description_header = "" +description_footer = "" # Marker header/inter/footer combination. -marker_header = '<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>' -marker_inter = "</b></em></td></tr><tr><td>" -marker_footer = "</td></tr></table>" +marker_header = "<h4>" +marker_inter = "</h4>" +marker_footer = "" # Header location header/footer. -header_location_header = '<table align=center width="87%"><tr><td>' -header_location_footer = "</td></tr></table><br>" +header_location_header = "<p>" +header_location_footer = "</p>" # Source code extracts header/footer. -source_header = '<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>\n' -source_footer = "\n</pre></table><br>" +source_header = "<pre>" +source_footer = "</pre>" # Chapter header/inter/footer. -chapter_header = '<br><table align=center width="75%"><tr><td><h2>' -chapter_inter = '</h2><ul class="empty"><li>' -chapter_footer = '</li></ul></td></tr></table>' +chapter_header = """\ +<div class="section"> +<h2>\ +""" +chapter_inter = '</h2>' +chapter_footer = '</div>' # Index footer. index_footer_start = """\ <hr> -<table><tr><td width="100%"></td> -<td><font size=-2>[<a href="\ +<table class="index-toc-link"><tr><td class="right">[<a href="\ """ index_footer_end = """\ -">TOC</a>]</font></td></tr></table> +">TOC</a>]</td></tr></table> """ # TOC footer. toc_footer_start = """\ <hr> -<table><tr><td><font size=-2>[<a href="\ +<table class="index-toc-link"><tr><td class="left">[<a href="\ """ toc_footer_end = """\ -">Index</a>]</font></td> -<td width="100%"></td> -</tr></table> +">Index</a>]</td></tr></table> """ -# source language keyword coloration/styling +# Source language keyword coloration and styling. keyword_prefix = '<span class="keyword">' keyword_suffix = '</span>' @@ -166,66 +242,78 @@ section_synopsis_header = '<h2>Synopsis</h2>' section_synopsis_footer = '' -# Translate a single line of source to HTML. This will convert -# a "<" into "<.", ">" into ">.", etc. +# Translate a single line of source to HTML. This converts `<', `>', and +# `&' into `<',`>', and `&'. +# def html_quote( line ): - result = string.replace( line, "&", "&" ) - result = string.replace( result, "<", "<" ) - result = string.replace( result, ">", ">" ) + result = string.replace( line, "&", "&" ) + result = string.replace( result, "<", "<" ) + result = string.replace( result, ">", ">" ) return result - +################################################################ +## +## HTML FORMATTER CLASS +## class HtmlFormatter( Formatter ): def __init__( self, processor, project_title, file_prefix ): Formatter.__init__( self, processor ) - global html_header_1, html_header_2, html_header_3 - global html_header_4, html_header_5, html_footer + global html_header_1 + global html_header_2 + global html_header_3l, html_header_3r + global html_header_4 + global html_header_5t, html_header_5i + global html_header_6 + global html_footer if file_prefix: file_prefix = file_prefix + "-" else: file_prefix = "" - self.headers = processor.headers - self.project_title = project_title - self.file_prefix = file_prefix - self.html_header = html_header_1 + project_title + \ - html_header_2 + \ - html_header_3 + file_prefix + "index.html" + \ - html_header_4 + file_prefix + "toc.html" + \ - html_header_5 + project_title + \ - html_header_6 - - self.html_index_header = html_header_1 + project_title + \ - html_header_2 + \ - html_header_3i + file_prefix + "toc.html" + \ - html_header_5 + project_title + \ - html_header_6 - - self.html_toc_header = html_header_1 + project_title + \ - html_header_2 + \ - html_header_3 + file_prefix + "index.html" + \ - html_header_5t + project_title + \ - html_header_6 - - self.html_footer = "<center><font size=""-2"">generated on " + \ - time.asctime( time.localtime( time.time() ) ) + \ - "</font></center>" + html_footer + self.headers = processor.headers + self.project_title = project_title + self.file_prefix = file_prefix + self.html_header = ( + html_header_1 + project_title + + html_header_2 + + html_header_3l + file_prefix + "index.html" + + html_header_4 + file_prefix + "toc.html" + + html_header_5t + project_title + + html_header_6 ) + self.html_index_header = ( + html_header_1 + project_title + + html_header_2 + + html_header_3r + file_prefix + "toc.html" + + html_header_5t + project_title + + html_header_6 ) + self.html_toc_header = ( + html_header_1 + project_title + + html_header_2 + + html_header_3l + file_prefix + "index.html" + + html_header_5i + project_title + + html_header_6 ) + self.html_footer = ( + '<div class="timestamp">generated on ' + + time.asctime( time.localtime( time.time() ) ) + + "</div>" + html_footer ) self.columns = 3 def make_section_url( self, section ): return self.file_prefix + section.name + ".html" - def make_block_url( self, block ): - return self.make_section_url( block.section ) + "#" + block.name + def make_block_url( self, block, name = None ): + if name == None: + name = block.name + return self.make_section_url( block.section ) + "#" + name def make_html_word( self, word ): - """analyze a simple word to detect cross-references and styling""" - # look for cross-references + """Analyze a simple word to detect cross-references and markup.""" + # handle cross-references m = re_crossref.match( word ) if m: try: @@ -236,27 +324,28 @@ class HtmlFormatter( Formatter ): return '<a href="' + url + '">' + name + '</a>' + rest except: # we detected a cross-reference to an unknown item - sys.stderr.write( \ - "WARNING: undefined cross reference '" + name + "'.\n" ) + sys.stderr.write( "WARNING: undefined cross reference" + + " '" + name + "'.\n" ) return '?' + name + '?' + rest - # look for italics and bolds + # handle markup for italic and bold m = re_italic.match( word ) if m: name = m.group( 1 ) - rest = m.group( 3 ) + rest = m.group( 2 ) return '<i>' + name + '</i>' + rest m = re_bold.match( word ) if m: name = m.group( 1 ) - rest = m.group( 3 ) + rest = m.group( 2 ) return '<b>' + name + '</b>' + rest return html_quote( word ) def make_html_para( self, words ): - """ convert words of a paragraph into tagged HTML text, handle xrefs """ + """Convert words of a paragraph into tagged HTML text. Also handle + cross references.""" line = "" if words: line = self.make_html_word( words[0] ) @@ -265,8 +354,8 @@ class HtmlFormatter( Formatter ): # handle hyperlinks line = re_url.sub( r'<a href="\1">\1</a>', line ) # convert `...' quotations into real left and right single quotes - line = re.sub( r"(^|\W)`(.*?)'(\W|$)", \ - r'\1‘\2’\3', \ + line = re.sub( r"(^|\W)`(.*?)'(\W|$)", + r'\1‘\2’\3', line ) # convert tilde into non-breakable space line = string.replace( line, "~", " " ) @@ -274,7 +363,7 @@ class HtmlFormatter( Formatter ): return para_header + line + para_footer def make_html_code( self, lines ): - """ convert a code sequence to HTML """ + """Convert a code sequence to HTML.""" line = code_header + '\n' for l in lines: line = line + html_quote( l ) + '\n' @@ -282,7 +371,7 @@ class HtmlFormatter( Formatter ): return line + code_footer def make_html_items( self, items ): - """ convert a field's content into some valid HTML """ + """Convert a field's content into HTML.""" lines = [] for item in items: if item.lines: @@ -297,7 +386,9 @@ class HtmlFormatter( Formatter ): def print_html_field( self, field ): if field.name: - print "<table><tr valign=top><td><b>" + field.name + "</b></td><td>" + print( '<table><tr valign="top"><td><b>' + + field.name + + "</b></td><td>" ) print self.make_html_items( field.items ) @@ -318,12 +409,24 @@ class HtmlFormatter( Formatter ): result = result + prefix + '<b>' + name + '</b>' elif re_source_keywords.match( name ): # this is a C keyword - result = result + prefix + keyword_prefix + name + keyword_suffix - elif self.identifiers.has_key( name ): + result = ( result + prefix + + keyword_prefix + name + keyword_suffix ) + elif name in self.identifiers: # this is a known identifier block = self.identifiers[name] - result = result + prefix + '<a href="' + \ - self.make_block_url( block ) + '">' + name + '</a>' + id = block.name + + # link to a field ID if possible + for markup in block.markups: + if markup.tag == 'values': + for field in markup.fields: + if field.name: + id = name + + result = ( result + prefix + + '<a href="' + + self.make_block_url( block, id ) + + '">' + name + '</a>' ) else: result = result + html_quote( line[:length] ) @@ -335,15 +438,11 @@ class HtmlFormatter( Formatter ): return result def print_html_field_list( self, fields ): - print "<p></p>" - print "<table cellpadding=3 border=0>" + print '<table class="fields">' for field in fields: - if len( field.name ) > 22: - print "<tr valign=top><td colspan=0><b>" + field.name + "</b></td></tr>" - print "<tr valign=top><td></td><td>" - else: - print "<tr valign=top><td><b>" + field.name + "</b></td><td>" - + print ( '<tr><td class="val" id="' + field.name + '">' + + field.name + + '</td><td class="desc">' ) self.print_html_items( field.items ) print "</td></tr>" print "</table>" @@ -352,10 +451,9 @@ class HtmlFormatter( Formatter ): table_fields = [] for field in markup.fields: if field.name: - # we begin a new series of field or value definitions, we - # will record them in the 'table_fields' list before outputting - # all of them as a single table - # + # We begin a new series of field or value definitions. We + # record them in the `table_fields' list before outputting + # all of them as a single table. table_fields.append( field ) else: if table_fields: @@ -368,7 +466,7 @@ class HtmlFormatter( Formatter ): self.print_html_field_list( table_fields ) # - # Formatting the index + # formatting the index # def index_enter( self ): print self.html_index_header @@ -380,11 +478,11 @@ class HtmlFormatter( Formatter ): self.index_items[name] = url def index_exit( self ): - # block_index already contains the sorted list of index names + # `block_index' already contains the sorted list of index names count = len( self.block_index ) - rows = ( count + self.columns - 1 ) / self.columns + rows = ( count + self.columns - 1 ) // self.columns - print "<table align=center border=0 cellpadding=0 cellspacing=0>" + print '<table class="index">' for r in range( rows ): line = "<tr>" for c in range( self.columns ): @@ -392,7 +490,8 @@ class HtmlFormatter( Formatter ): if i < count: bname = self.block_index[r + c * rows] url = self.index_items[bname] - line = line + '<td><a href="' + url + '">' + bname + '</a></td>' + line = ( line + '<td><a href="' + url + '">' + + bname + '</a></td>' ) else: line = line + '<td></td>' line = line + "</tr>" @@ -400,9 +499,9 @@ class HtmlFormatter( Formatter ): print "</table>" - print index_footer_start + \ - self.file_prefix + "toc.html" + \ - index_footer_end + print( index_footer_start + + self.file_prefix + "toc.html" + + index_footer_end ) print self.html_footer @@ -415,21 +514,20 @@ class HtmlFormatter( Formatter ): Formatter.index_dump( self, index_filename ) # - # Formatting the table of content + # formatting the table of contents # def toc_enter( self ): print self.html_toc_header - print "<center><h1>Table of Contents</h1></center>" + print "<h1>Table of Contents</h1>" def toc_chapter_enter( self, chapter ): - print chapter_header + string.join( chapter.title ) + chapter_inter - print "<table cellpadding=5>" + print chapter_header + string.join( chapter.title ) + chapter_inter + print '<table class="toc">' def toc_section_enter( self, section ): - print '<tr valign=top><td class="left">' - print '<a href="' + self.make_section_url( section ) + '">' + \ - section.title + '</a></td><td>' - + print ( '<tr><td class="link">' + + '<a href="' + self.make_section_url( section ) + '">' + + section.title + '</a></td><td class="desc">' ) print self.make_html_para( section.abstract ) def toc_section_exit( self, section ): @@ -440,14 +538,14 @@ class HtmlFormatter( Formatter ): print chapter_footer def toc_index( self, index_filename ): - print chapter_header + \ - '<a href="' + index_filename + '">Global Index</a>' + \ - chapter_inter + chapter_footer + print( chapter_header + + '<a href="' + index_filename + '">Global Index</a>' + + chapter_inter + chapter_footer ) def toc_exit( self ): - print toc_footer_start + \ - self.file_prefix + "index.html" + \ - toc_footer_end + print( toc_footer_start + + self.file_prefix + "index.html" + + toc_footer_end ) print self.html_footer @@ -461,14 +559,12 @@ class HtmlFormatter( Formatter ): Formatter.toc_dump( self, toc_filename, index_filename ) # - # Formatting sections + # formatting sections # def section_enter( self, section ): print self.html_header - print section_title_header - print section.title - print section_title_footer + print section_title_header + section.title + section_title_footer maxwidth = 0 for b in section.blocks.values(): @@ -476,32 +572,43 @@ class HtmlFormatter( Formatter ): maxwidth = len( b.name ) width = 70 # XXX magic number - if maxwidth <> 0: + if maxwidth > 0: # print section synopsis print section_synopsis_header - print "<table align=center cellspacing=5 cellpadding=0 border=0>" + print '<table class="synopsis">' - columns = width / maxwidth + columns = width // maxwidth if columns < 1: columns = 1 count = len( section.block_names ) - rows = ( count + columns - 1 ) / columns + # don't handle last entry if it is empty + if section.block_names[-1] == "/empty/": + count -= 1 + rows = ( count + columns - 1 ) // columns for r in range( rows ): line = "<tr>" for c in range( columns ): i = r + c * rows - line = line + '<td></td><td>' + line = line + '<td>' if i < count: name = section.block_names[i] - line = line + '<a href="#' + name + '">' + name + '</a>' + if name == "/empty/": + # it can happen that a complete row is empty, and + # without a proper `filler' the browser might + # collapse the row to a much smaller height (or + # even omit it completely) + line = line + " " + else: + line = ( line + '<a href="#' + name + '">' + + name + '</a>' ) line = line + '</td>' line = line + "</tr>" print line - print "</table><br><br>" + print "</table>" print section_synopsis_footer print description_header @@ -513,7 +620,7 @@ class HtmlFormatter( Formatter ): # place html anchor if needed if block.name: - print '<h4><a name="' + block.name + '">' + block.name + '</a></h4>' + print( '<h3 id="' + block.name + '">' + block.name + '</h3>' ) # dump the block C source lines now if block.code: @@ -521,16 +628,17 @@ class HtmlFormatter( Formatter ): for f in self.headers.keys(): if block.source.filename.find( f ) >= 0: header = self.headers[f] + ' (' + f + ')' - break; + break # if not header: -# sys.stderr.write( \ -# 'WARNING: No header macro for ' + block.source.filename + '.\n' ) +# sys.stderr.write( +# "WARNING: No header macro for" +# + " '" + block.source.filename + "'.\n" ) if header: - print header_location_header - print 'Defined in ' + header + '.' - print header_location_footer + print ( header_location_header + + 'Defined in ' + header + '.' + + header_location_footer ) print source_header for l in block.code: @@ -552,15 +660,16 @@ class HtmlFormatter( Formatter ): print marker_footer def block_exit( self, block ): - print block_footer_start + self.file_prefix + "index.html" + \ - block_footer_middle + self.file_prefix + "toc.html" + \ - block_footer_end + print( block_footer_start + self.file_prefix + "index.html" + + block_footer_middle + self.file_prefix + "toc.html" + + block_footer_end ) def section_exit( self, section ): print html_footer def section_dump_all( self ): for section in self.sections: - self.section_dump( section, self.file_prefix + section.name + '.html' ) + self.section_dump( section, + self.file_prefix + section.name + '.html' ) # eof diff --git a/freetype/src/tools/docmaker/utils.py b/freetype/src/tools/docmaker/utils.py index 1d96658c7..b35823ab7 100644 --- a/freetype/src/tools/docmaker/utils.py +++ b/freetype/src/tools/docmaker/utils.py @@ -1,48 +1,42 @@ -# Utils (c) 2002, 2004, 2007, 2008 David Turner <david@freetype.org> # - -import string, sys, os, glob - -# current output directory +# utils.py # -output_dir = None - - -# This function is used to sort the index. It is a simple lexicographical -# sort, except that it places capital letters before lowercase ones. +# Auxiliary functions for the `docmaker' tool (library file). # -def index_sort( s1, s2 ): - if not s1: - return -1 - - if not s2: - return 1 - - l1 = len( s1 ) - l2 = len( s2 ) - m1 = string.lower( s1 ) - m2 = string.lower( s2 ) +# Copyright 2002, 2004, 2007, 2008, 2014 by +# David Turner. +# +# This file is part of the FreeType project, and may only be used, +# modified, and distributed under the terms of the FreeType project +# license, LICENSE.TXT. By continuing to use, modify, or distribute +# this file you indicate that you have read the license and +# understand and accept it fully. - for i in range( l1 ): - if i >= l2 or m1[i] > m2[i]: - return 1 - if m1[i] < m2[i]: - return -1 +import string, sys, os, glob, itertools - if s1[i] < s2[i]: - return -1 - if s1[i] > s2[i]: - return 1 +# current output directory +# +output_dir = None - if l2 > l1: - return -1 - return 0 +# A function that generates a sorting key. We want lexicographical order +# (primary key) except that capital letters are sorted before lowercase +# ones (secondary key). +# +# The primary key is implemented by lowercasing the input. The secondary +# key is simply the original data appended, character by character. For +# example, the sort key for `FT_x' is `fFtT__xx', while the sort key for +# `ft_X' is `fftt__xX'. Since ASCII codes of uppercase letters are +# numerically smaller than the codes of lowercase letters, `fFtT__xx' gets +# sorted before `fftt__xX'. +# +def index_key( s ): + return string.join( itertools.chain( *zip( s.lower(), s ) ) ) -# Sort input_list, placing the elements of order_list in front. +# Sort `input_list', placing the elements of `order_list' in front. # def sort_order_list( input_list, order_list ): new_list = order_list[:] @@ -52,9 +46,9 @@ def sort_order_list( input_list, order_list ): return new_list -# Open the standard output to a given project documentation file. Use -# "output_dir" to determine the filename location if necessary and save the -# old stdout in a tuple that is returned by this function. +# Divert standard output to a given project documentation file. Use +# `output_dir' to determine the filename location if necessary and save the +# old stdout handle in a tuple that is returned by this function. # def open_output( filename ): global output_dir @@ -69,7 +63,7 @@ def open_output( filename ): return ( new_file, old_stdout ) -# Close the output that was returned by "close_output". +# Close the output that was returned by `open_output'. # def close_output( output ): output[0].close() @@ -83,15 +77,16 @@ def check_output(): if output_dir: if output_dir != "": if not os.path.isdir( output_dir ): - sys.stderr.write( "argument" + " '" + output_dir + "' " + \ - "is not a valid directory" ) + sys.stderr.write( "argument" + + " '" + output_dir + "' " + + "is not a valid directory" ) sys.exit( 2 ) else: output_dir = None def file_exists( pathname ): - """checks that a given file exists""" + """Check that a given file exists.""" result = 1 try: file = open( pathname, "r" ) @@ -104,12 +99,12 @@ def file_exists( pathname ): def make_file_list( args = None ): - """builds a list of input files from command-line arguments""" + """Build a list of input files from command-line arguments.""" file_list = [] # sys.stderr.write( repr( sys.argv[1 :] ) + '\n' ) if not args: - args = sys.argv[1 :] + args = sys.argv[1:] for pathname in args: if string.find( pathname, '*' ) >= 0: diff --git a/freetype/src/tools/ftrandom/README b/freetype/src/tools/ftrandom/README index c093f15e8..71bf05323 100644 --- a/freetype/src/tools/ftrandom/README +++ b/freetype/src/tools/ftrandom/README @@ -43,6 +43,6 @@ Arguments are: --rasterize Call FT_Render_Glyph as well as loading it. --result <dir> This is the directory in which test files are placed. - --test <file> Run a single test on a pre-generated testcase. + --test <file> Run a single test on a pre-generated testcase. Done in the current process so it can be debugged more easily. diff --git a/freetype/src/tools/ftrandom/ftrandom.c b/freetype/src/tools/ftrandom/ftrandom.c index 7c9795711..9a5b63267 100644 --- a/freetype/src/tools/ftrandom/ftrandom.c +++ b/freetype/src/tools/ftrandom/ftrandom.c @@ -449,9 +449,9 @@ fseek( new, getRandom( 0, item->len - 1 ), SEEK_SET ); if ( item->isbinary ) - putc( getRandom( 0, 0xff ), new ); + putc( getRandom( 0, 0xFF ), new ); else if ( item->isascii ) - putc( getRandom( 0x20, 0x7e ), new ); + putc( getRandom( 0x20, 0x7E ), new ); else { int hex = getRandom( 0, 15 ); diff --git a/freetype/src/tools/test_trig.c b/freetype/src/tools/test_trig.c index 49d927e36..99ac1cf17 100644 --- a/freetype/src/tools/test_trig.c +++ b/freetype/src/tools/test_trig.c @@ -20,7 +20,7 @@ int i; - for ( i = 0; i < FT_ANGLE_2PI; i += 0x10000 ) + for ( i = 0; i < FT_ANGLE_2PI; i += 0x10000L ) { FT_Fixed f1, f2; double d2; @@ -46,7 +46,7 @@ int i; - for ( i = 0; i < FT_ANGLE_2PI; i += 0x10000 ) + for ( i = 0; i < FT_ANGLE_2PI; i += 0x10000L ) { FT_Fixed f1, f2; double d2; @@ -72,7 +72,7 @@ int i; - for ( i = 0; i < FT_ANGLE_PI2-0x2000000; i += 0x10000 ) + for ( i = 0; i < FT_ANGLE_PI2 - 0x2000000L; i += 0x10000L ) { FT_Fixed f1, f2; double d2; @@ -98,7 +98,7 @@ int i; - for ( i = 0; i < FT_ANGLE_2PI; i += 0x10000 ) + for ( i = 0; i < FT_ANGLE_2PI; i += 0x10000L ) { FT_Fixed c2, s2; double l, a, c1, s1; @@ -133,7 +133,7 @@ int i; - for ( i = 0; i < FT_ANGLE_2PI; i += 0x10000 ) + for ( i = 0; i < FT_ANGLE_2PI; i += 0x10000L ) { FT_Vector v; double a, c1, s1; @@ -166,7 +166,7 @@ int i; - for ( i = 0; i < FT_ANGLE_2PI; i += 0x10000 ) + for ( i = 0; i < FT_ANGLE_2PI; i += 0x10000L ) { FT_Vector v; FT_Fixed l, l2; @@ -193,7 +193,7 @@ int rotate; - for ( rotate = 0; rotate < FT_ANGLE_2PI; rotate += 0x10000 ) + for ( rotate = 0; rotate < FT_ANGLE_2PI; rotate += 0x10000L ) { double ra, cra, sra; int i; @@ -203,7 +203,7 @@ cra = cos( ra ); sra = sin( ra ); - for ( i = 0; i < FT_ANGLE_2PI; i += 0x10000 ) + for ( i = 0; i < FT_ANGLE_2PI; i += 0x10000L ) { FT_Fixed c2, s2, c4, s4; FT_Vector v; diff --git a/freetype/src/truetype/ttdriver.c b/freetype/src/truetype/ttdriver.c index ade2505c7..b2925f7d6 100644 --- a/freetype/src/truetype/ttdriver.c +++ b/freetype/src/truetype/ttdriver.c @@ -4,7 +4,7 @@ /* */ /* TrueType font driver implementation (body). */ /* */ -/* Copyright 1996-2013 by */ +/* Copyright 1996-2014 by */ /* David Turner, Robert Wilhelm, and Werner Lemberg. */ /* */ /* This file is part of the FreeType project, and may only be used, */ @@ -267,7 +267,7 @@ /* use the scaled metrics, even when tt_size_reset fails */ FT_Select_Metrics( size->face, strike_index ); - tt_size_reset( ttsize ); + tt_size_reset( ttsize ); /* ignore return value */ } else { @@ -370,7 +370,7 @@ return FT_THROW( Invalid_Size_Handle ); if ( !face ) - return FT_THROW( Invalid_Argument ); + return FT_THROW( Invalid_Face_Handle ); #ifdef FT_CONFIG_OPTION_INCREMENTAL if ( glyph_index >= (FT_UInt)face->num_glyphs && @@ -481,7 +481,7 @@ SFNT_Service sfnt; - /* TT_SERVICES_GET derefers `library' in PIC mode */ + /* TT_SERVICES_GET dereferences `library' in PIC mode */ #ifdef FT_CONFIG_OPTION_PIC if ( !driver ) return NULL; diff --git a/freetype/src/truetype/ttgload.c b/freetype/src/truetype/ttgload.c index 3b4580cd7..8e8f48587 100644 --- a/freetype/src/truetype/ttgload.c +++ b/freetype/src/truetype/ttgload.c @@ -4,7 +4,7 @@ /* */ /* TrueType Glyph Loader (body). */ /* */ -/* Copyright 1996-2013 */ +/* Copyright 1996-2014 */ /* David Turner, Robert Wilhelm, and Werner Lemberg. */ /* */ /* This file is part of the FreeType project, and may only be used, */ @@ -99,13 +99,13 @@ else if ( face->os2.version != 0xFFFFU ) { - *tsb = face->os2.sTypoAscender - yMax; + *tsb = (FT_Short)( face->os2.sTypoAscender - yMax ); *ah = face->os2.sTypoAscender - face->os2.sTypoDescender; } else { - *tsb = face->horizontal.Ascender - yMax; + *tsb = (FT_Short)( face->horizontal.Ascender - yMax ); *ah = face->horizontal.Ascender - face->horizontal.Descender; } @@ -801,10 +801,8 @@ FT_Outline current_outline = gloader->current.outline; - error = TT_Set_CodeRange( loader->exec, tt_coderange_glyph, - loader->exec->glyphIns, n_ins ); - if ( error ) - return error; + TT_Set_CodeRange( loader->exec, tt_coderange_glyph, + loader->exec->glyphIns, n_ins ); loader->exec->is_composite = is_composite; loader->exec->pts = *zone; @@ -1789,8 +1787,12 @@ /* (1): exists from the beginning */ /* (2): components that have been loaded so far */ /* (3): the newly loaded component */ - TT_Process_Composite_Component( loader, subglyph, start_point, - num_base_points ); + error = TT_Process_Composite_Component( loader, + subglyph, + start_point, + num_base_points ); + if ( error ) + goto Exit; } loader->stream = old_stream; @@ -1799,16 +1801,17 @@ /* process the glyph */ loader->ins_pos = ins_pos; if ( IS_HINTED( loader->load_flags ) && - #ifdef TT_USE_BYTECODE_INTERPRETER - subglyph->flags & WE_HAVE_INSTR && - #endif - num_points > start_point ) - TT_Process_Composite_Glyph( loader, start_point, start_contour ); - + { + error = TT_Process_Composite_Glyph( loader, + start_point, + start_contour ); + if ( error ) + goto Exit; + } } } else @@ -2083,6 +2086,8 @@ FT_Int32 load_flags, FT_Bool glyf_table_only ) { + FT_Error error; + TT_Face face; FT_Stream stream; #ifdef TT_USE_BYTECODE_INTERPRETER @@ -2120,14 +2125,16 @@ FT_Bool reexecute = FALSE; - if ( !size->cvt_ready ) + if ( size->bytecode_ready < 0 || size->cvt_ready < 0 ) { - FT_Error error = tt_size_ready_bytecode( size, pedantic ); - - + error = tt_size_ready_bytecode( size, pedantic ); if ( error ) return error; } + else if ( size->bytecode_ready ) + return size->bytecode_ready; + else if ( size->cvt_ready ) + return size->cvt_ready; /* query new execution context */ exec = size->debug ? size->context @@ -2191,7 +2198,9 @@ FT_RENDER_MODE_MONO ); } - TT_Load_Context( exec, face, size ); + error = TT_Load_Context( exec, face, size ); + if ( error ) + return error; #ifdef TT_CONFIG_OPTION_SUBPIXEL_HINTING @@ -2243,7 +2252,9 @@ for ( i = 0; i < size->cvt_size; i++ ) size->cvt[i] = FT_MulFix( face->cvt[i], size->ttmetrics.scale ); - tt_size_run_prep( size, pedantic ); + error = tt_size_run_prep( size, pedantic ); + if ( error ) + return error; } /* see whether the cvt program has disabled hinting */ @@ -2274,8 +2285,7 @@ #endif { - FT_Error error = face->goto_table( face, TTAG_glyf, stream, 0 ); - + error = face->goto_table( face, TTAG_glyf, stream, 0 ); if ( FT_ERR_EQ( error, Table_Missing ) ) loader->glyf_offset = 0; @@ -2366,15 +2376,18 @@ (void)tt_loader_init( &loader, size, glyph, load_flags, TRUE ); (void)load_truetype_glyph( &loader, glyph_index, 0, TRUE ); glyph->linearHoriAdvance = loader.linear; - glyph->linearVertAdvance = loader.top_bearing + loader.bbox.yMax - - loader.vadvance; + glyph->linearVertAdvance = loader.vadvance; - /* sanity check: if `horiAdvance' in the sbit metric */ - /* structure isn't set, use `linearHoriAdvance' */ + /* sanity checks: if `xxxAdvance' in the sbit metric */ + /* structure isn't set, use `linearXXXAdvance' */ if ( !glyph->metrics.horiAdvance && glyph->linearHoriAdvance ) glyph->metrics.horiAdvance = FT_MulFix( glyph->linearHoriAdvance, size->root.metrics.x_scale ); + if ( !glyph->metrics.vertAdvance && glyph->linearVertAdvance ) + glyph->metrics.vertAdvance = + FT_MulFix( glyph->linearVertAdvance, + size->root.metrics.y_scale ); } return FT_Err_Ok; @@ -2454,7 +2467,7 @@ #endif /* TT_USE_BYTECODE_INTERPRETER */ - compute_glyph_metrics( &loader, glyph_index ); + error = compute_glyph_metrics( &loader, glyph_index ); } /* Set the `high precision' bit flag. */ diff --git a/freetype/src/truetype/ttgxvar.c b/freetype/src/truetype/ttgxvar.c index 50e5f02a7..ea654b878 100644 --- a/freetype/src/truetype/ttgxvar.c +++ b/freetype/src/truetype/ttgxvar.c @@ -4,7 +4,7 @@ /* */ /* TrueType GX Font Variation loader */ /* */ -/* Copyright 2004-2013 by */ +/* Copyright 2004-2014 by */ /* David Turner, Robert Wilhelm, Werner Lemberg, and George Williams. */ /* */ /* This file is part of the FreeType project, and may only be used, */ @@ -938,13 +938,13 @@ FT_FREE( face->cvt ); face->cvt = NULL; - tt_face_load_cvt( face, face->root.stream ); + error = tt_face_load_cvt( face, face->root.stream ); break; case mcvt_modify: /* The original cvt table is in memory. All we need to do is */ /* apply the `cvar' table (if any). */ - tt_face_vary_cvt( face, face->root.stream ); + error = tt_face_vary_cvt( face, face->root.stream ); break; case mcvt_retain: diff --git a/freetype/src/truetype/ttinterp.c b/freetype/src/truetype/ttinterp.c index 828e295a5..24457f4da 100644 --- a/freetype/src/truetype/ttinterp.c +++ b/freetype/src/truetype/ttinterp.c @@ -172,6 +172,9 @@ #define CUR_Func_round( d, c ) \ CUR.func_round( EXEC_ARG_ d, c ) +#define CUR_Func_cur_ppem() \ + CUR.func_cur_ppem( EXEC_ARG ) + #define CUR_Func_read_cvt( index ) \ CUR.func_read_cvt( EXEC_ARG_ index ) @@ -184,12 +187,6 @@ #define CURRENT_Ratio() \ Current_Ratio( EXEC_ARG ) -#define CURRENT_Ppem() \ - Current_Ppem( EXEC_ARG ) - -#define CUR_Ppem() \ - Cur_PPEM( EXEC_ARG ) - #define INS_SxVTL( a, b, c, d ) \ Ins_SxVTL( EXEC_ARG_ a, b, c, d ) @@ -282,10 +279,7 @@ /* <InOut> */ /* exec :: The target execution context. */ /* */ - /* <Return> */ - /* FreeType error code. 0 means success. */ - /* */ - FT_LOCAL_DEF( FT_Error ) + FT_LOCAL_DEF( void ) TT_Goto_CodeRange( TT_ExecContext exec, FT_Int range, FT_Long IP ) @@ -309,8 +303,6 @@ exec->codeSize = coderange->size; exec->IP = IP; exec->curRange = range; - - return FT_Err_Ok; } @@ -332,10 +324,7 @@ /* <InOut> */ /* exec :: The target execution context. */ /* */ - /* <Return> */ - /* FreeType error code. 0 means success. */ - /* */ - FT_LOCAL_DEF( FT_Error ) + FT_LOCAL_DEF( void ) TT_Set_CodeRange( TT_ExecContext exec, FT_Int range, void* base, @@ -345,8 +334,6 @@ exec->codeRangeTable[range - 1].base = (FT_Byte*)base; exec->codeRangeTable[range - 1].size = length; - - return FT_Err_Ok; } @@ -364,13 +351,7 @@ /* <InOut> */ /* exec :: The target execution context. */ /* */ - /* <Return> */ - /* FreeType error code. 0 means success. */ - /* */ - /* <Note> */ - /* Does not set the Error variable. */ - /* */ - FT_LOCAL_DEF( FT_Error ) + FT_LOCAL_DEF( void ) TT_Clear_CodeRange( TT_ExecContext exec, FT_Int range ) { @@ -378,8 +359,6 @@ exec->codeRangeTable[range - 1].base = NULL; exec->codeRangeTable[range - 1].size = 0; - - return FT_Err_Ok; } @@ -403,13 +382,10 @@ /* */ /* memory :: A handle to the parent memory object. */ /* */ - /* <Return> */ - /* FreeType error code. 0 means success. */ - /* */ /* <Note> */ /* Only the glyph loader and debugger should call this function. */ /* */ - FT_LOCAL_DEF( FT_Error ) + FT_LOCAL_DEF( void ) TT_Done_Context( TT_ExecContext exec ) { FT_Memory memory = exec->memory; @@ -436,8 +412,6 @@ exec->face = NULL; FT_FREE( exec ); - - return FT_Err_Ok; } @@ -664,13 +638,10 @@ /* <InOut> */ /* size :: A handle to the target size object. */ /* */ - /* <Return> */ - /* FreeType error code. 0 means success. */ - /* */ /* <Note> */ /* Only the glyph loader and debugger should call this function. */ /* */ - FT_LOCAL_DEF( FT_Error ) + FT_LOCAL_DEF( void ) TT_Save_Context( TT_ExecContext exec, TT_Size size ) { @@ -688,8 +659,6 @@ for ( i = 0; i < TT_MAX_CODE_RANGES; i++ ) size->codeRangeTable[i] = exec->codeRangeTable[i]; - - return FT_Err_Ok; } @@ -721,12 +690,7 @@ TT_Run_Context( TT_ExecContext exec, FT_Bool debug ) { - FT_Error error; - - - if ( ( error = TT_Goto_CodeRange( exec, tt_coderange_glyph, 0 ) ) - != FT_Err_Ok ) - return error; + TT_Goto_CodeRange( exec, tt_coderange_glyph, 0 ); exec->zp0 = exec->pts; exec->zp1 = exec->pts; @@ -796,8 +760,13 @@ FT_EXPORT_DEF( TT_ExecContext ) TT_New_Context( TT_Driver driver ) { - FT_Memory memory = driver->root.root.memory; + FT_Memory memory; + + + if ( !driver ) + goto Fail; + memory = driver->root.root.memory; if ( !driver->context ) { @@ -1446,7 +1415,7 @@ TT_MulFix14_arm( FT_Int32 a, FT_Int b ) { - register FT_Int32 t, t2; + FT_Int32 t, t2; #if defined( __CC_ARM ) || defined( __ARMCC__ ) @@ -1706,9 +1675,16 @@ } - static FT_Long + FT_CALLBACK_DEF( FT_Long ) Current_Ppem( EXEC_OP ) { + return CUR.tt_metrics.ppem; + } + + + FT_CALLBACK_DEF( FT_Long ) + Current_Ppem_Stretched( EXEC_OP ) + { return FT_MulFix( CUR.tt_metrics.ppem, CURRENT_Ratio() ); } @@ -2047,7 +2023,7 @@ if ( distance >= 0 ) { val = distance + compensation; - if ( distance && val < 0 ) + if ( val < 0 ) val = 0; } else @@ -2087,10 +2063,8 @@ if ( distance >= 0 ) { - val = distance + compensation + 32; - if ( distance && val > 0 ) - val &= ~63; - else + val = FT_PIX_ROUND( distance + compensation ); + if ( val < 0 ) val = 0; } else @@ -2132,14 +2106,14 @@ if ( distance >= 0 ) { val = FT_PIX_FLOOR( distance + compensation ) + 32; - if ( distance && val < 0 ) - val = 0; + if ( val < 0 ) + val = 32; } else { val = -( FT_PIX_FLOOR( compensation - distance ) + 32 ); if ( val > 0 ) - val = 0; + val = -32; } return val; @@ -2173,15 +2147,13 @@ if ( distance >= 0 ) { - val = distance + compensation; - if ( distance && val > 0 ) - val &= ~63; - else + val = FT_PIX_FLOOR( distance + compensation ); + if ( val < 0 ) val = 0; } else { - val = -( ( compensation - distance ) & -64 ); + val = -FT_PIX_FLOOR( compensation - distance ); if ( val > 0 ) val = 0; } @@ -2217,10 +2189,8 @@ if ( distance >= 0 ) { - val = distance + compensation + 63; - if ( distance && val > 0 ) - val &= ~63; - else + val = FT_PIX_CEIL( distance + compensation ); + if ( val < 0 ) val = 0; } else @@ -2261,10 +2231,8 @@ if ( distance >= 0 ) { - val = distance + compensation + 16; - if ( distance && val > 0 ) - val &= ~31; - else + val = FT_PAD_ROUND( distance + compensation, 32 ); + if ( val < 0 ) val = 0; } else @@ -2311,17 +2279,17 @@ { val = ( distance - CUR.phase + CUR.threshold + compensation ) & -CUR.period; - if ( distance && val < 0 ) - val = 0; val += CUR.phase; + if ( val < 0 ) + val = CUR.phase; } else { val = -( ( CUR.threshold - CUR.phase - distance + compensation ) & -CUR.period ); - if ( val > 0 ) - val = 0; val -= CUR.phase; + if ( val > 0 ) + val = -CUR.phase; } return val; @@ -2359,17 +2327,17 @@ { val = ( ( distance - CUR.phase + CUR.threshold + compensation ) / CUR.period ) * CUR.period; - if ( distance && val < 0 ) - val = 0; val += CUR.phase; + if ( val < 0 ) + val = CUR.phase; } else { val = -( ( ( CUR.threshold - CUR.phase - distance + compensation ) / CUR.period ) * CUR.period ); - if ( val > 0 ) - val = 0; val -= CUR.phase; + if ( val > 0 ) + val = -CUR.phase; } return val; @@ -3077,19 +3045,22 @@ CUR.GS.auto_flip = FALSE; -#define DO_SDB \ - CUR.GS.delta_base = (FT_Short)args[0]; +#define DO_SDB \ + CUR.GS.delta_base = (FT_UShort)args[0]; -#define DO_SDS \ - CUR.GS.delta_shift = (FT_Short)args[0]; +#define DO_SDS \ + if ( (FT_ULong)args[0] > 6UL ) \ + CUR.error = FT_THROW( Bad_Argument ); \ + else \ + CUR.GS.delta_shift = (FT_UShort)args[0]; #define DO_MD /* nothing */ -#define DO_MPPEM \ - args[0] = CURRENT_Ppem(); +#define DO_MPPEM \ + args[0] = CUR_Func_cur_ppem(); /* Note: The pointSize should be irrelevant in a given font program; */ @@ -3101,8 +3072,8 @@ #else -#define DO_MPS \ - args[0] = CURRENT_Ppem(); +#define DO_MPS \ + args[0] = CUR_Func_cur_ppem(); #endif /* 0 */ @@ -5654,7 +5625,7 @@ /*************************************************************************/ /* */ /* INSTCTRL[]: INSTruction ConTRoL */ - /* Opcode range: 0x8e */ + /* Opcode range: 0x8E */ /* Stack: int32 int32 --> */ /* */ static void @@ -7487,9 +7458,9 @@ static void Ins_DELTAP( INS_ARG ) { - FT_ULong k, nump; + FT_ULong nump, k; FT_UShort A; - FT_ULong C; + FT_ULong C, P; FT_Long B; #ifdef TT_CONFIG_OPTION_SUBPIXEL_HINTING FT_UShort B1, B2; @@ -7523,6 +7494,7 @@ } #endif + P = (FT_ULong)CUR_Func_cur_ppem(); nump = (FT_ULong)args[0]; /* some points theoretically may occur more than once, thus UShort isn't enough */ @@ -7567,12 +7539,12 @@ C += CUR.GS.delta_base; - if ( CURRENT_Ppem() == (FT_Long)C ) + if ( P == C ) { B = ( (FT_ULong)B & 0xF ) - 8; if ( B >= 0 ) B++; - B = B * 64 / ( 1L << CUR.GS.delta_shift ); + B *= 1L << ( 6 - CUR.GS.delta_shift ); #ifdef TT_CONFIG_OPTION_SUBPIXEL_HINTING @@ -7581,42 +7553,33 @@ /* * Allow delta move if * - * - not using ignore_x_mode rendering - * - glyph is specifically set to allow it - * - glyph is composite and freedom vector is not subpixel - * vector + * - not using ignore_x_mode rendering, + * - glyph is specifically set to allow it, or + * - glyph is composite and freedom vector is not in subpixel + * direction. */ if ( !CUR.ignore_x_mode || ( CUR.sph_tweak_flags & SPH_TWEAK_ALWAYS_DO_DELTAP ) || ( CUR.is_composite && CUR.GS.freeVector.y != 0 ) ) CUR_Func_move( &CUR.zp0, A, B ); - /* Otherwise apply subpixel hinting and */ - /* compatibility mode rules */ - else if ( CUR.ignore_x_mode ) + /* Otherwise, apply subpixel hinting and compatibility mode */ + /* rules, always skipping deltas in subpixel direction. */ + else if ( CUR.ignore_x_mode && CUR.GS.freeVector.y != 0 ) { - if ( CUR.GS.freeVector.y != 0 ) - B1 = CUR.zp0.cur[A].y; - else - B1 = CUR.zp0.cur[A].x; + /* save the y value of the point now; compare after move */ + B1 = (FT_UShort)CUR.zp0.cur[A].y; -#if 0 - /* Standard Subpixel Hinting: Allow y move. */ - /* This messes up dejavu and may not be needed... */ - if ( !CUR.face->sph_compatibility_mode && - CUR.GS.freeVector.y != 0 ) + /* Standard subpixel hinting: Allow y move for y-touched */ + /* points. This messes up DejaVu ... */ + if ( !CUR.face->sph_compatibility_mode && + ( CUR.zp0.tags[A] & FT_CURVE_TAG_TOUCH_Y ) ) CUR_Func_move( &CUR.zp0, A, B ); - else -#endif /* 0 */ - /* Compatibility Mode: Allow x or y move if point touched in */ - /* Y direction. */ - if ( CUR.face->sph_compatibility_mode && - !( CUR.sph_tweak_flags & SPH_TWEAK_ALWAYS_SKIP_DELTAP ) ) + /* compatibility mode */ + else if ( CUR.face->sph_compatibility_mode && + !( CUR.sph_tweak_flags & SPH_TWEAK_ALWAYS_SKIP_DELTAP ) ) { - /* save the y value of the point now; compare after move */ - B1 = CUR.zp0.cur[A].y; - if ( CUR.sph_tweak_flags & SPH_TWEAK_ROUND_NONPIXEL_Y_MOVES ) B = FT_PIX_ROUND( B1 + B ) - B1; @@ -7627,7 +7590,7 @@ CUR_Func_move( &CUR.zp0, A, B ); } - B2 = CUR.zp0.cur[A].y; + B2 = (FT_UShort)CUR.zp0.cur[A].y; /* Reverse this move if it results in a disallowed move */ if ( CUR.GS.freeVector.y != 0 && @@ -7667,7 +7630,7 @@ Ins_DELTAC( INS_ARG ) { FT_ULong nump, k; - FT_ULong A, C; + FT_ULong A, C, P; FT_Long B; @@ -7691,6 +7654,7 @@ } #endif + P = (FT_ULong)CUR_Func_cur_ppem(); nump = (FT_ULong)args[0]; for ( k = 1; k <= nump; k++ ) @@ -7736,12 +7700,12 @@ C += CUR.GS.delta_base; - if ( CURRENT_Ppem() == (FT_Long)C ) + if ( P == C ) { B = ( (FT_ULong)B & 0xF ) - 8; if ( B >= 0 ) B++; - B = B * 64 / ( 1L << CUR.GS.delta_shift ); + B *= 1L << ( 6 - CUR.GS.delta_shift ); CUR_Func_move_cvt( A, B ); } @@ -8262,6 +8226,9 @@ #ifdef TT_CONFIG_OPTION_STATIC_RASTER + if ( !exc ) + return FT_THROW( Invalid_Argument ); + cur = *exc; #endif @@ -8269,11 +8236,12 @@ CUR.iup_called = FALSE; #endif /* TT_CONFIG_OPTION_SUBPIXEL_HINTING */ - /* set CVT functions */ + /* set PPEM and CVT functions */ CUR.tt_metrics.ratio = 0; if ( CUR.metrics.x_ppem != CUR.metrics.y_ppem ) { /* non-square pixels, use the stretched routines */ + CUR.func_cur_ppem = Current_Ppem_Stretched; CUR.func_read_cvt = Read_CVT_Stretched; CUR.func_write_cvt = Write_CVT_Stretched; CUR.func_move_cvt = Move_CVT_Stretched; @@ -8281,6 +8249,7 @@ else { /* square pixels, use normal routines */ + CUR.func_cur_ppem = Current_Ppem; CUR.func_read_cvt = Read_CVT; CUR.func_write_cvt = Write_CVT; CUR.func_move_cvt = Move_CVT; @@ -9035,10 +9004,13 @@ /* If any errors have occurred, function tables may be broken. */ /* Force a re-execution of `prep' and `fpgm' tables if no */ /* bytecode debugger is run. */ - if ( CUR.error && !CUR.instruction_trap ) + if ( CUR.error && + !CUR.instruction_trap && + CUR.curRange == tt_coderange_glyph ) { FT_TRACE1(( " The interpreter returned error 0x%x\n", CUR.error )); - exc->size->cvt_ready = FALSE; + exc->size->bytecode_ready = -1; + exc->size->cvt_ready = -1; } return CUR.error; diff --git a/freetype/src/truetype/ttinterp.h b/freetype/src/truetype/ttinterp.h index 1d8825d3b..333decc6a 100644 --- a/freetype/src/truetype/ttinterp.h +++ b/freetype/src/truetype/ttinterp.h @@ -4,7 +4,7 @@ /* */ /* TrueType bytecode interpreter (specification). */ /* */ -/* Copyright 1996-2007, 2010, 2012-2013 by */ +/* Copyright 1996-2007, 2010, 2012-2014 by */ /* David Turner, Robert Wilhelm, and Werner Lemberg. */ /* */ /* This file is part of the FreeType project, and may only be used, */ @@ -81,6 +81,10 @@ FT_BEGIN_HEADER (*TT_Project_Func)( EXEC_OP_ FT_Pos dx, FT_Pos dy ); + /* getting current ppem. Take care of non-square pixels if necessary */ + typedef FT_Long + (*TT_Cur_Ppem_Func)( EXEC_OP ); + /* reading a cvt value. Take care of non-square pixels if necessary */ typedef FT_F26Dot6 (*TT_Get_CVT_Func)( EXEC_OP_ FT_ULong idx ); @@ -228,11 +232,6 @@ FT_BEGIN_HEADER FT_F26Dot6 phase; /* `SuperRounding' */ FT_F26Dot6 threshold; -#if 0 - /* this seems to be unused */ - FT_Int cur_ppem; /* ppem along the current proj vector */ -#endif - FT_Bool instruction_trap; /* If `True', the interpreter will */ /* exit after each instruction */ @@ -254,6 +253,8 @@ FT_BEGIN_HEADER TT_Move_Func func_move; /* current point move function */ TT_Move_Func func_move_orig; /* move original position function */ + TT_Cur_Ppem_Func func_cur_ppem; /* get current proj. ppem value */ + TT_Get_CVT_Func func_read_cvt; /* read a cvt entry */ TT_Set_CVT_Func func_write_cvt; /* write a cvt entry (in pixels) */ TT_Set_CVT_Func func_move_cvt; /* incr a cvt entry (in pixels) */ @@ -295,18 +296,18 @@ FT_BEGIN_HEADER #ifdef TT_USE_BYTECODE_INTERPRETER - FT_LOCAL( FT_Error ) + FT_LOCAL( void ) TT_Goto_CodeRange( TT_ExecContext exec, FT_Int range, FT_Long IP ); - FT_LOCAL( FT_Error ) + FT_LOCAL( void ) TT_Set_CodeRange( TT_ExecContext exec, FT_Int range, void* base, FT_Long length ); - FT_LOCAL( FT_Error ) + FT_LOCAL( void ) TT_Clear_CodeRange( TT_ExecContext exec, FT_Int range ); @@ -344,7 +345,7 @@ FT_BEGIN_HEADER #ifdef TT_USE_BYTECODE_INTERPRETER - FT_LOCAL( FT_Error ) + FT_LOCAL( void ) TT_Done_Context( TT_ExecContext exec ); FT_LOCAL( FT_Error ) @@ -352,7 +353,7 @@ FT_BEGIN_HEADER TT_Face face, TT_Size size ); - FT_LOCAL( FT_Error ) + FT_LOCAL( void ) TT_Save_Context( TT_ExecContext exec, TT_Size ins ); diff --git a/freetype/src/truetype/ttobjs.c b/freetype/src/truetype/ttobjs.c index ebbf1b058..7357cdf4e 100644 --- a/freetype/src/truetype/ttobjs.c +++ b/freetype/src/truetype/ttobjs.c @@ -256,89 +256,89 @@ #define TRICK_SFNT_ID_prep 2 { /* MingLiU 1995 */ - { 0x05bcf058, 0x000002e4 }, /* cvt */ - { 0x28233bf1, 0x000087c4 }, /* fpgm */ - { 0xa344a1ea, 0x000001e1 } /* prep */ + { 0x05BCF058UL, 0x000002E4UL }, /* cvt */ + { 0x28233BF1UL, 0x000087C4UL }, /* fpgm */ + { 0xA344A1EAUL, 0x000001E1UL } /* prep */ }, { /* MingLiU 1996- */ - { 0x05bcf058, 0x000002e4 }, /* cvt */ - { 0x28233bf1, 0x000087c4 }, /* fpgm */ - { 0xa344a1eb, 0x000001e1 } /* prep */ + { 0x05BCF058UL, 0x000002E4UL }, /* cvt */ + { 0x28233BF1UL, 0x000087C4UL }, /* fpgm */ + { 0xA344A1EBUL, 0x000001E1UL } /* prep */ }, { /* DFKaiShu */ - { 0x11e5ead4, 0x00000350 }, /* cvt */ - { 0x5a30ca3b, 0x00009063 }, /* fpgm */ - { 0x13a42602, 0x0000007e } /* prep */ + { 0x11E5EAD4UL, 0x00000350UL }, /* cvt */ + { 0x5A30CA3BUL, 0x00009063UL }, /* fpgm */ + { 0x13A42602UL, 0x0000007EUL } /* prep */ }, { /* HuaTianKaiTi */ - { 0xfffbfffc, 0x00000008 }, /* cvt */ - { 0x9c9e48b8, 0x0000bea2 }, /* fpgm */ - { 0x70020112, 0x00000008 } /* prep */ + { 0xFFFBFFFCUL, 0x00000008UL }, /* cvt */ + { 0x9C9E48B8UL, 0x0000BEA2UL }, /* fpgm */ + { 0x70020112UL, 0x00000008UL } /* prep */ }, { /* HuaTianSongTi */ - { 0xfffbfffc, 0x00000008 }, /* cvt */ - { 0x0a5a0483, 0x00017c39 }, /* fpgm */ - { 0x70020112, 0x00000008 } /* prep */ + { 0xFFFBFFFCUL, 0x00000008UL }, /* cvt */ + { 0x0A5A0483UL, 0x00017C39UL }, /* fpgm */ + { 0x70020112UL, 0x00000008UL } /* prep */ }, { /* NEC fadpop7.ttf */ - { 0x00000000, 0x00000000 }, /* cvt */ - { 0x40c92555, 0x000000e5 }, /* fpgm */ - { 0xa39b58e3, 0x0000117c } /* prep */ + { 0x00000000UL, 0x00000000UL }, /* cvt */ + { 0x40C92555UL, 0x000000E5UL }, /* fpgm */ + { 0xA39B58E3UL, 0x0000117CUL } /* prep */ }, { /* NEC fadrei5.ttf */ - { 0x00000000, 0x00000000 }, /* cvt */ - { 0x33c41652, 0x000000e5 }, /* fpgm */ - { 0x26d6c52a, 0x00000f6a } /* prep */ + { 0x00000000UL, 0x00000000UL }, /* cvt */ + { 0x33C41652UL, 0x000000E5UL }, /* fpgm */ + { 0x26D6C52AUL, 0x00000F6AUL } /* prep */ }, { /* NEC fangot7.ttf */ - { 0x00000000, 0x00000000 }, /* cvt */ - { 0x6db1651d, 0x0000019d }, /* fpgm */ - { 0x6c6e4b03, 0x00002492 } /* prep */ + { 0x00000000UL, 0x00000000UL }, /* cvt */ + { 0x6DB1651DUL, 0x0000019DUL }, /* fpgm */ + { 0x6C6E4B03UL, 0x00002492UL } /* prep */ }, { /* NEC fangyo5.ttf */ - { 0x00000000, 0x00000000 }, /* cvt */ - { 0x40c92555, 0x000000e5 }, /* fpgm */ - { 0xde51fad0, 0x0000117c } /* prep */ + { 0x00000000UL, 0x00000000UL }, /* cvt */ + { 0x40C92555UL, 0x000000E5UL }, /* fpgm */ + { 0xDE51FAD0UL, 0x0000117CUL } /* prep */ }, { /* NEC fankyo5.ttf */ - { 0x00000000, 0x00000000 }, /* cvt */ - { 0x85e47664, 0x000000e5 }, /* fpgm */ - { 0xa6c62831, 0x00001caa } /* prep */ + { 0x00000000UL, 0x00000000UL }, /* cvt */ + { 0x85E47664UL, 0x000000E5UL }, /* fpgm */ + { 0xA6C62831UL, 0x00001CAAUL } /* prep */ }, { /* NEC fanrgo5.ttf */ - { 0x00000000, 0x00000000 }, /* cvt */ - { 0x2d891cfd, 0x0000019d }, /* fpgm */ - { 0xa0604633, 0x00001de8 } /* prep */ + { 0x00000000UL, 0x00000000UL }, /* cvt */ + { 0x2D891CFDUL, 0x0000019DUL }, /* fpgm */ + { 0xA0604633UL, 0x00001DE8UL } /* prep */ }, { /* NEC fangot5.ttc */ - { 0x00000000, 0x00000000 }, /* cvt */ - { 0x40aa774c, 0x000001cb }, /* fpgm */ - { 0x9b5caa96, 0x00001f9a } /* prep */ + { 0x00000000UL, 0x00000000UL }, /* cvt */ + { 0x40AA774CUL, 0x000001CBUL }, /* fpgm */ + { 0x9B5CAA96UL, 0x00001F9AUL } /* prep */ }, { /* NEC fanmin3.ttc */ - { 0x00000000, 0x00000000 }, /* cvt */ - { 0x0d3de9cb, 0x00000141 }, /* fpgm */ - { 0xd4127766, 0x00002280 } /* prep */ + { 0x00000000UL, 0x00000000UL }, /* cvt */ + { 0x0D3DE9CBUL, 0x00000141UL }, /* fpgm */ + { 0xD4127766UL, 0x00002280UL } /* prep */ }, { /* NEC FA-Gothic, 1996 */ - { 0x00000000, 0x00000000 }, /* cvt */ - { 0x4a692698, 0x000001f0 }, /* fpgm */ - { 0x340d4346, 0x00001fca } /* prep */ + { 0x00000000UL, 0x00000000UL }, /* cvt */ + { 0x4A692698UL, 0x000001F0UL }, /* fpgm */ + { 0x340D4346UL, 0x00001FCAUL } /* prep */ }, { /* NEC FA-Minchou, 1996 */ - { 0x00000000, 0x00000000 }, /* cvt */ - { 0xcd34c604, 0x00000166 }, /* fpgm */ - { 0x6cf31046, 0x000022b0 } /* prep */ + { 0x00000000UL, 0x00000000UL }, /* cvt */ + { 0xCD34C604UL, 0x00000166UL }, /* fpgm */ + { 0x6CF31046UL, 0x000022B0UL } /* prep */ }, { /* NEC FA-RoundGothicB, 1996 */ - { 0x00000000, 0x00000000 }, /* cvt */ - { 0x5da75315, 0x0000019d }, /* fpgm */ - { 0x40745a5f, 0x000022e0 } /* prep */ + { 0x00000000UL, 0x00000000UL }, /* cvt */ + { 0x5DA75315UL, 0x0000019DUL }, /* fpgm */ + { 0x40745A5FUL, 0x000022E0UL } /* prep */ }, { /* NEC FA-RoundGothicM, 1996 */ - { 0x00000000, 0x00000000 }, /* cvt */ - { 0xf055fc48, 0x000001c2 }, /* fpgm */ - { 0x3900ded3, 0x00001e18 } /* prep */ + { 0x00000000UL, 0x00000000UL }, /* cvt */ + { 0xF055FC48UL, 0x000001C2UL }, /* fpgm */ + { 0x3900DED3UL, 0x00001E18UL } /* prep */ } }; @@ -760,7 +760,9 @@ if ( !exec ) return FT_THROW( Could_Not_Find_Context ); - TT_Load_Context( exec, face, size ); + error = TT_Load_Context( exec, face, size ); + if ( error ) + return error; exec->callTop = 0; exec->top = 0; @@ -801,18 +803,16 @@ if ( face->font_program_size > 0 ) { - error = TT_Goto_CodeRange( exec, tt_coderange_font, 0 ); + TT_Goto_CodeRange( exec, tt_coderange_font, 0 ); - if ( !error ) - { - FT_TRACE4(( "Executing `fpgm' table.\n" )); - - error = face->interpreter( exec ); - } + FT_TRACE4(( "Executing `fpgm' table.\n" )); + error = face->interpreter( exec ); } else error = FT_Err_Ok; + size->bytecode_ready = error; + if ( !error ) TT_Save_Context( exec, size ); @@ -854,7 +854,9 @@ if ( !exec ) return FT_THROW( Could_Not_Find_Context ); - TT_Load_Context( exec, face, size ); + error = TT_Load_Context( exec, face, size ); + if ( error ) + return error; exec->callTop = 0; exec->top = 0; @@ -872,9 +874,9 @@ if ( face->cvt_program_size > 0 ) { - error = TT_Goto_CodeRange( exec, tt_coderange_cvt, 0 ); + TT_Goto_CodeRange( exec, tt_coderange_cvt, 0 ); - if ( !error && !size->debug ) + if ( !size->debug ) { FT_TRACE4(( "Executing `prep' table.\n" )); @@ -884,6 +886,8 @@ else error = FT_Err_Ok; + size->cvt_ready = error; + /* UNDOCUMENTED! The MS rasterizer doesn't allow the following */ /* graphics state variables to be modified by the CVT program. */ @@ -912,10 +916,6 @@ return error; } -#endif /* TT_USE_BYTECODE_INTERPRETER */ - - -#ifdef TT_USE_BYTECODE_INTERPRETER static void tt_size_done_bytecode( FT_Size ftsize ) @@ -953,8 +953,8 @@ size->max_func = 0; size->max_ins = 0; - size->bytecode_ready = 0; - size->cvt_ready = 0; + size->bytecode_ready = -1; + size->cvt_ready = -1; } @@ -968,14 +968,13 @@ TT_Size size = (TT_Size)ftsize; TT_Face face = (TT_Face)ftsize->face; FT_Memory memory = face->root.memory; - FT_Int i; FT_UShort n_twilight; TT_MaxProfile* maxp = &face->max_profile; - size->bytecode_ready = 1; - size->cvt_ready = 0; + size->bytecode_ready = -1; + size->cvt_ready = -1; size->max_function_defs = maxp->maxFunctionDefs; size->max_instruction_defs = maxp->maxInstructionDefs; @@ -997,9 +996,11 @@ metrics->rotated = FALSE; metrics->stretched = FALSE; - /* set default compensation (all 0) */ - for ( i = 0; i < 4; i++ ) - metrics->compensations[i] = 0; + /* set default engine compensation */ + metrics->compensations[0] = 0; /* gray */ + metrics->compensations[1] = 0; /* black */ + metrics->compensations[2] = 0; /* white */ + metrics->compensations[3] = 0; /* reserved */ } /* allocate function defs, instruction defs, cvt, and storage area */ @@ -1052,15 +1053,14 @@ FT_Error error = FT_Err_Ok; - if ( !size->bytecode_ready ) - { + if ( size->bytecode_ready < 0 ) error = tt_size_init_bytecode( (FT_Size)size, pedantic ); - if ( error ) - goto Exit; - } + + if ( error || size->bytecode_ready ) + goto Exit; /* rescale CVT when needed */ - if ( !size->cvt_ready ) + if ( size->cvt_ready < 0 ) { FT_UInt i; TT_Face face = (TT_Face)size->root.face; @@ -1087,8 +1087,6 @@ size->GS = tt_default_graphics_state; error = tt_size_run_prep( size, pedantic ); - if ( !error ) - size->cvt_ready = 1; } Exit: @@ -1118,9 +1116,10 @@ TT_Size size = (TT_Size)ttsize; FT_Error error = FT_Err_Ok; + #ifdef TT_USE_BYTECODE_INTERPRETER - size->bytecode_ready = 0; - size->cvt_ready = 0; + size->bytecode_ready = -1; + size->cvt_ready = -1; #endif size->ttmetrics.valid = FALSE; @@ -1148,8 +1147,7 @@ #ifdef TT_USE_BYTECODE_INTERPRETER - if ( size->bytecode_ready ) - tt_size_done_bytecode( ttsize ); + tt_size_done_bytecode( ttsize ); #endif size->ttmetrics.valid = FALSE; @@ -1229,7 +1227,7 @@ } #ifdef TT_USE_BYTECODE_INTERPRETER - size->cvt_ready = 0; + size->cvt_ready = -1; #endif /* TT_USE_BYTECODE_INTERPRETER */ if ( !error ) diff --git a/freetype/src/truetype/ttobjs.h b/freetype/src/truetype/ttobjs.h index bcd776532..f029923d3 100644 --- a/freetype/src/truetype/ttobjs.h +++ b/freetype/src/truetype/ttobjs.h @@ -4,7 +4,7 @@ /* */ /* Objects manager (specification). */ /* */ -/* Copyright 1996-2009, 2011-2013 by */ +/* Copyright 1996-2009, 2011-2014 by */ /* David Turner, Robert Wilhelm, and Werner Lemberg. */ /* */ /* This file is part of the FreeType project, and may only be used, */ @@ -95,8 +95,8 @@ FT_BEGIN_HEADER FT_F26Dot6 control_value_cutin; FT_F26Dot6 single_width_cutin; FT_F26Dot6 single_width_value; - FT_Short delta_base; - FT_Short delta_shift; + FT_UShort delta_base; + FT_UShort delta_shift; FT_Byte instruct_control; /* According to Greg Hitchcock from Microsoft, the `scan_control' */ @@ -333,8 +333,10 @@ FT_BEGIN_HEADER FT_Bool debug; TT_ExecContext context; - FT_Bool bytecode_ready; - FT_Bool cvt_ready; + /* if negative, `fpgm' (resp. `prep'), wasn't executed yet; */ + /* otherwise it is the returned error code */ + FT_Error bytecode_ready; + FT_Error cvt_ready; #endif /* TT_USE_BYTECODE_INTERPRETER */ diff --git a/freetype/src/truetype/ttpload.c b/freetype/src/truetype/ttpload.c index 2ee5d38b8..33bca68fe 100644 --- a/freetype/src/truetype/ttpload.c +++ b/freetype/src/truetype/ttpload.c @@ -508,9 +508,9 @@ record_size = FT_NEXT_ULONG( p ); /* The maximum number of bytes in an hdmx device record is the */ - /* maximum number of glyphs + 2; this is 0xFFFF + 2; this is */ - /* the reason why `record_size' is a long (which we read as */ - /* unsigned long for convenience). In practice, two bytes */ + /* maximum number of glyphs + 2; this is 0xFFFF + 2, thus */ + /* explaining why `record_size' is a long (which we read as */ + /* unsigned long for convenience). In practice, two bytes are */ /* sufficient to hold the size value. */ /* */ /* There are at least two fonts, HANNOM-A and HANNOM-B version */ @@ -522,8 +522,10 @@ record_size &= 0xFFFFU; /* The limit for `num_records' is a heuristic value. */ - - if ( version != 0 || num_records > 255 || record_size > 0x10001L ) + if ( version != 0 || + num_records > 255 || + record_size > 0x10001L || + record_size < 4 ) { error = FT_THROW( Invalid_File_Format ); goto Fail; diff --git a/freetype/src/truetype/ttsubpix.c b/freetype/src/truetype/ttsubpix.c index 1f11d8d20..9955021f1 100644 --- a/freetype/src/truetype/ttsubpix.c +++ b/freetype/src/truetype/ttsubpix.c @@ -282,7 +282,7 @@ const SPH_TweakRule COMPATIBILITY_MODE_Rules [COMPATIBILITY_MODE_RULES_SIZE] = { - { "-", 0, "", 0 }, + { "Verdana Clones", 0, "", 0 }, }; @@ -956,7 +956,7 @@ if ( loader->exec->rasterizer_version != TT_INTERPRETER_VERSION_35 ) { loader->exec->rasterizer_version = TT_INTERPRETER_VERSION_35; - loader->exec->size->cvt_ready = FALSE; + loader->exec->size->cvt_ready = -1; tt_size_ready_bytecode( loader->exec->size, @@ -971,7 +971,7 @@ SPH_OPTION_SET_RASTERIZER_VERSION ) { loader->exec->rasterizer_version = SPH_OPTION_SET_RASTERIZER_VERSION; - loader->exec->size->cvt_ready = FALSE; + loader->exec->size->cvt_ready = -1; tt_size_ready_bytecode( loader->exec->size, diff --git a/freetype/src/type1/t1driver.c b/freetype/src/type1/t1driver.c index 1b175866c..b9798d500 100644 --- a/freetype/src/type1/t1driver.c +++ b/freetype/src/type1/t1driver.c @@ -4,7 +4,7 @@ /* */ /* Type 1 driver interface (body). */ /* */ -/* Copyright 1996-2004, 2006, 2007, 2009, 2011, 2013 by */ +/* Copyright 1996-2004, 2006, 2007, 2009, 2011, 2013, 2014 by */ /* David Turner, Robert Wilhelm, and Werner Lemberg. */ /* */ /* This file is part of the FreeType project, and may only be used, */ @@ -557,9 +557,6 @@ if ( value && value_len >= retval ) *((FT_Long *)value) = type1->font_info.italic_angle; break; - - default: - break; } return retval; diff --git a/freetype/src/type1/t1load.c b/freetype/src/type1/t1load.c index 346812b08..3ed65c2ec 100644 --- a/freetype/src/type1/t1load.c +++ b/freetype/src/type1/t1load.c @@ -1211,7 +1211,7 @@ char* notdef = (char *)".notdef"; - T1_Add_Table( char_table, n, notdef, 8 ); + (void)T1_Add_Table( char_table, n, notdef, 8 ); } /* Now we need to read records of the form */ @@ -1596,6 +1596,11 @@ } T1_Skip_PS_Token( parser ); + if ( parser->root.cursor >= limit ) + { + error = FT_THROW( Invalid_File_Format ); + goto Fail; + } if ( parser->root.error ) return; @@ -1604,7 +1609,7 @@ FT_PtrDist len; - if ( cur + 1 >= limit ) + if ( cur + 2 >= limit ) { error = FT_THROW( Invalid_File_Format ); goto Fail; diff --git a/freetype/src/type42/t42objs.c b/freetype/src/type42/t42objs.c index 2595ecc25..66bdb6907 100644 --- a/freetype/src/type42/t42objs.c +++ b/freetype/src/type42/t42objs.c @@ -47,6 +47,12 @@ if ( FT_ALLOC( face->ttf_data, 12 ) ) goto Exit; + /* while parsing the font we always update `face->ttf_size' so that */ + /* even in case of buggy data (which might lead to premature end of */ + /* scanning without causing an error) the call to `FT_Open_Face' in */ + /* `T42_Face_Init' passes the correct size */ + face->ttf_size = 12; + error = t42_parser_init( parser, face->root.stream, memory, @@ -286,7 +292,9 @@ FT_Open_Args args; - args.flags = FT_OPEN_MEMORY; + args.flags = FT_OPEN_MEMORY | FT_OPEN_DRIVER; + args.driver = FT_Get_Module( FT_FACE_LIBRARY( face ), + "truetype" ); args.memory_base = face->ttf_data; args.memory_size = face->ttf_size; diff --git a/freetype/src/type42/t42parse.c b/freetype/src/type42/t42parse.c index d103f94e9..1be13d3f4 100644 --- a/freetype/src/type42/t42parse.c +++ b/freetype/src/type42/t42parse.c @@ -366,7 +366,7 @@ char* notdef = (char *)".notdef"; - T1_Add_Table( char_table, n, notdef, 8 ); + (void)T1_Add_Table( char_table, n, notdef, 8 ); } /* Now we need to read records of the form */ @@ -524,7 +524,7 @@ FT_Byte* limit = parser->root.limit; FT_Error error; FT_Int num_tables = 0; - FT_ULong count, ttf_size = 0; + FT_ULong count; FT_Long n, string_size, old_string_size, real_size; FT_Byte* string_buf = NULL; @@ -580,6 +580,12 @@ /* don't include delimiters */ string_size = (FT_Long)( ( parser->root.cursor - cur - 2 + 1 ) / 2 ); + if ( !string_size ) + { + FT_ERROR(( "t42_parse_sfnts: invalid data in sfnts array\n" )); + error = FT_THROW( Invalid_File_Format ); + goto Fail; + } if ( FT_REALLOC( string_buf, old_string_size, string_size ) ) goto Fail; @@ -617,7 +623,7 @@ if ( limit - parser->root.cursor < string_size ) { - FT_ERROR(( "t42_parse_sfnts: too many binary data\n" )); + FT_ERROR(( "t42_parse_sfnts: too much binary data\n" )); error = FT_THROW( Invalid_File_Format ); goto Fail; } @@ -657,18 +663,25 @@ } else { - num_tables = 16 * face->ttf_data[4] + face->ttf_data[5]; - status = BEFORE_TABLE_DIR; - ttf_size = 12 + 16 * num_tables; + num_tables = 16 * face->ttf_data[4] + face->ttf_data[5]; + status = BEFORE_TABLE_DIR; + face->ttf_size = 12 + 16 * num_tables; - if ( FT_REALLOC( face->ttf_data, 12, ttf_size ) ) + if ( (FT_ULong)( limit - parser->root.cursor ) < face->ttf_size ) + { + FT_ERROR(( "t42_parse_sfnts: invalid data in sfnts array\n" )); + error = FT_THROW( Invalid_File_Format ); + goto Fail; + } + + if ( FT_REALLOC( face->ttf_data, 12, face->ttf_size ) ) goto Fail; } /* fall through */ case BEFORE_TABLE_DIR: /* the offset table is read; read the table directory */ - if ( count < ttf_size ) + if ( count < face->ttf_size ) { face->ttf_data[count++] = string_buf[n]; continue; @@ -687,24 +700,23 @@ len = FT_PEEK_ULONG( p ); /* Pad to a 4-byte boundary length */ - ttf_size += ( len + 3 ) & ~3; + face->ttf_size += ( len + 3 ) & ~3; } - status = OTHER_TABLES; - face->ttf_size = ttf_size; + status = OTHER_TABLES; /* there are no more than 256 tables, so no size check here */ if ( FT_REALLOC( face->ttf_data, 12 + 16 * num_tables, - ttf_size + 1 ) ) + face->ttf_size + 1 ) ) goto Fail; } /* fall through */ case OTHER_TABLES: /* all other tables are just copied */ - if ( count >= ttf_size ) + if ( count >= face->ttf_size ) { - FT_ERROR(( "t42_parse_sfnts: too many binary data\n" )); + FT_ERROR(( "t42_parse_sfnts: too much binary data\n" )); error = FT_THROW( Invalid_File_Format ); goto Fail; } @@ -850,6 +862,12 @@ break; T1_Skip_PS_Token( parser ); + if ( parser->root.cursor >= limit ) + { + FT_ERROR(( "t42_parse_charstrings: out of bounds\n" )); + error = FT_THROW( Invalid_File_Format ); + goto Fail; + } if ( parser->root.error ) return; @@ -858,7 +876,7 @@ FT_PtrDist len; - if ( cur + 1 >= limit ) + if ( cur + 2 >= limit ) { FT_ERROR(( "t42_parse_charstrings: out of bounds\n" )); error = FT_THROW( Invalid_File_Format ); diff --git a/freetype/src/winfonts/winfnt.c b/freetype/src/winfonts/winfnt.c index 1a56bc47b..eba168406 100644 --- a/freetype/src/winfonts/winfnt.c +++ b/freetype/src/winfonts/winfnt.c @@ -72,12 +72,12 @@ FT_FRAME_START( 248 ), FT_FRAME_ULONG_LE ( magic ), /* PE00 */ - FT_FRAME_USHORT_LE ( machine ), /* 0x014c - i386 */ + FT_FRAME_USHORT_LE ( machine ), /* 0x014C - i386 */ FT_FRAME_USHORT_LE ( number_of_sections ), FT_FRAME_SKIP_BYTES( 12 ), FT_FRAME_USHORT_LE ( size_of_optional_header ), FT_FRAME_SKIP_BYTES( 2 ), - FT_FRAME_USHORT_LE ( magic32 ), /* 0x10b */ + FT_FRAME_USHORT_LE ( magic32 ), /* 0x10B */ FT_FRAME_SKIP_BYTES( 110 ), FT_FRAME_ULONG_LE ( rsrc_virtual_address ), FT_FRAME_ULONG_LE ( rsrc_size ), @@ -412,9 +412,9 @@ pe32_header.rsrc_size )); if ( pe32_header.magic != WINFNT_PE_MAGIC /* check full signature */ || - pe32_header.machine != 0x014c /* i386 */ || - pe32_header.size_of_optional_header != 0xe0 /* FIXME */ || - pe32_header.magic32 != 0x10b ) + pe32_header.machine != 0x014C /* i386 */ || + pe32_header.size_of_optional_header != 0xE0 /* FIXME */ || + pe32_header.magic32 != 0x10B ) { FT_TRACE2(( "this file has an invalid PE header\n" )); error = FT_THROW( Invalid_File_Format ); @@ -591,11 +591,14 @@ static FT_Error - fnt_cmap_init( FNT_CMap cmap ) + fnt_cmap_init( FNT_CMap cmap, + FT_Pointer pointer ) { FNT_Face face = (FNT_Face)FT_CMAP_FACE( cmap ); FNT_Font font = face->font; + FT_UNUSED( pointer ); + cmap->first = (FT_UInt32) font->header.first_char; cmap->count = (FT_UInt32)( font->header.last_char - cmap->first + 1 ); @@ -971,7 +974,7 @@ if ( !face ) { - error = FT_THROW( Invalid_Argument ); + error = FT_THROW( Invalid_Face_Handle ); goto Exit; } |