diff options
Diffstat (limited to 'freetype/src/truetype/ttsubpix.h')
-rw-r--r-- | freetype/src/truetype/ttsubpix.h | 898 |
1 files changed, 50 insertions, 848 deletions
diff --git a/freetype/src/truetype/ttsubpix.h b/freetype/src/truetype/ttsubpix.h index 2fbff2681..8a54fc7cc 100644 --- a/freetype/src/truetype/ttsubpix.h +++ b/freetype/src/truetype/ttsubpix.h @@ -4,7 +4,7 @@ /* */ /* TrueType Subpixel Hinting. */ /* */ -/* Copyright 2010-2012 by */ +/* Copyright 2010-2013 by */ /* David Turner, Robert Wilhelm, and Werner Lemberg. */ /* */ /* This file is part of the FreeType project, and may only be used, */ @@ -31,88 +31,68 @@ FT_BEGIN_HEADER /*************************************************************************/ /* */ + /* ID flags to identify special functions at FDEF and runtime. */ + /* */ + /* */ +#define SPH_FDEF_INLINE_DELTA_1 0x0000001 +#define SPH_FDEF_INLINE_DELTA_2 0x0000002 +#define SPH_FDEF_DIAGONAL_STROKE 0x0000004 +#define SPH_FDEF_VACUFORM_ROUND_1 0x0000008 +#define SPH_FDEF_TTFAUTOHINT_1 0x0000010 +#define SPH_FDEF_SPACING_1 0x0000020 +#define SPH_FDEF_SPACING_2 0x0000040 +#define SPH_FDEF_TYPEMAN_STROKES 0x0000080 +#define SPH_FDEF_TYPEMAN_DIAGENDCTRL 0x0000100 + + + /*************************************************************************/ + /* */ /* Tweak flags that are set for each glyph by the below rules. */ /* */ /* */ #define SPH_TWEAK_ALLOW_X_DMOVE 0x0000001 -#define SPH_TWEAK_ALLOW_X_DMOVEX 0x0000002 -#define SPH_TWEAK_ALLOW_X_MOVE_ZP2 0x0000004 -#define SPH_TWEAK_ALWAYS_DO_DELTAP 0x0000008 -#define SPH_TWEAK_ALWAYS_SKIP_DELTAP 0x0000010 -#define SPH_TWEAK_COURIER_NEW_2_HACK 0x0000020 -#define SPH_TWEAK_DEEMBOLDEN 0x0000040 -#define SPH_TWEAK_DELTAP_SKIP_EXAGGERATED_VALUES 0x0000080 -#define SPH_TWEAK_DO_SHPIX 0x0000100 -#define SPH_TWEAK_EMBOLDEN 0x0000200 -#define SPH_TWEAK_MIAP_HACK 0x0000400 -#define SPH_TWEAK_NORMAL_ROUND 0x0000800 -#define SPH_TWEAK_NO_ALIGNRP_AFTER_IUP 0x0001000 -#define SPH_TWEAK_NO_CALL_AFTER_IUP 0x0002000 -#define SPH_TWEAK_NO_DELTAP_AFTER_IUP 0x0004000 -#define SPH_TWEAK_PIXEL_HINTING 0x0008000 -#define SPH_TWEAK_RASTERIZER_35 0x0010000 -#define SPH_TWEAK_ROUND_NONPIXEL_Y_MOVES 0x0020000 -#define SPH_TWEAK_SKIP_INLINE_DELTAS 0x0040000 -#define SPH_TWEAK_SKIP_IUP 0x0080000 -#define SPH_TWEAK_SKIP_NONPIXEL_Y_MOVES 0x0100000 -#define SPH_TWEAK_SKIP_OFFPIXEL_Y_MOVES 0x0200000 -#define SPH_TWEAK_TIMES_NEW_ROMAN_HACK 0x0400000 -#define SPH_TWEAK_MIRP_CVT_ZERO 0x0800000 +#define SPH_TWEAK_ALWAYS_DO_DELTAP 0x0000002 +#define SPH_TWEAK_ALWAYS_SKIP_DELTAP 0x0000004 +#define SPH_TWEAK_COURIER_NEW_2_HACK 0x0000008 +#define SPH_TWEAK_DEEMBOLDEN 0x0000010 +#define SPH_TWEAK_DO_SHPIX 0x0000020 +#define SPH_TWEAK_EMBOLDEN 0x0000040 +#define SPH_TWEAK_MIAP_HACK 0x0000080 +#define SPH_TWEAK_NORMAL_ROUND 0x0000100 +#define SPH_TWEAK_NO_ALIGNRP_AFTER_IUP 0x0000200 +#define SPH_TWEAK_NO_CALL_AFTER_IUP 0x0000400 +#define SPH_TWEAK_NO_DELTAP_AFTER_IUP 0x0000800 +#define SPH_TWEAK_PIXEL_HINTING 0x0001000 +#define SPH_TWEAK_RASTERIZER_35 0x0002000 +#define SPH_TWEAK_ROUND_NONPIXEL_Y_MOVES 0x0004000 +#define SPH_TWEAK_SKIP_IUP 0x0008000 +#define SPH_TWEAK_SKIP_NONPIXEL_Y_MOVES 0x0010000 +#define SPH_TWEAK_SKIP_OFFPIXEL_Y_MOVES 0x0020000 +#define SPH_TWEAK_TIMES_NEW_ROMAN_HACK 0x0040000 +#define SPH_TWEAK_SKIP_NONPIXEL_Y_MOVES_DELTAP 0x0080000 FT_LOCAL( FT_Bool ) - sph_test_tweak( TT_Face face, - FT_String* family, - FT_UInt ppem, - FT_String* style, - FT_UInt glyph_index, - SPH_TweakRule* rule, - FT_UInt num_rules ); - - FT_LOCAL_DEF( FT_UInt ) - scale_test_tweak( TT_Face face, - FT_String* family, - FT_UInt ppem, - FT_String* style, - FT_UInt glyph_index, - SPH_ScaleRule* rule, - FT_UInt num_rules ); + sph_test_tweak( TT_Face face, + const FT_String* family, + FT_UInt ppem, + const FT_String* style, + FT_UInt glyph_index, + const SPH_TweakRule* rule, + FT_UInt num_rules ); + + FT_LOCAL( FT_UInt ) + sph_test_tweak_x_scaling( TT_Face face, + const FT_String* family, + FT_UInt ppem, + const FT_String* style, + FT_UInt glyph_index ); FT_LOCAL( void ) sph_set_tweaks( TT_Loader loader, FT_UInt glyph_index ); - /*************************************************************************/ - /* */ - /* These rules affect how the TT Interpreter does hinting, with the */ - /* goal of doing subpixel hinting by (in general) ignoring x moves. */ - /* Some of these rules are fixes that go above and beyond the */ - /* stated techniques in the MS whitepaper on Cleartype, due to */ - /* artifacts in many glyphs. So, these rules make some glyphs render */ - /* better than they do in the MS rasterizer. */ - /* */ - /* "" string or 0 int/char indicates to apply to all glyphs. */ - /* "-" used as dummy placeholders, but any non-matching string works. */ - /* */ - /* Some of this could arguably be implemented in fontconfig, however: */ - /* */ - /* - Fontconfig can't set things on a glyph-by-glyph basis. */ - /* - The tweaks that happen here are very low-level, from an average */ - /* user's point of view and are best implemented in the hinter. */ - /* */ - /* The goal is to make the subpixel hinting techniques as generalized */ - /* as possible across all fonts to prevent the need for extra rules such */ - /* as these. */ - /* */ - /* The rule structure is designed so that entirely new rules can easily */ - /* be added when a new compatibility feature is discovered. */ - /* */ - /* The rule structures could also use some enhancement to handle ranges. */ - /* */ - /* ****************** WORK IN PROGRESS ******************* */ - /* */ - /* These macros are defined absent a method for setting them */ #define SPH_OPTION_BITMAP_WIDTHS FALSE #define SPH_OPTION_SET_SUBPIXEL TRUE @@ -120,784 +100,6 @@ FT_BEGIN_HEADER #define SPH_OPTION_SET_COMPATIBLE_WIDTHS FALSE #define SPH_OPTION_SET_RASTERIZER_VERSION 38 - - /* Define this to force natural (i.e. not bitmap-compatible) widths. */ - /* The default leans strongly towards natural widths except for a few */ - /* legacy fonts where a selective combination produces nicer results. */ -/* #define FORCE_NATURAL_WIDTHS */ - - - /* These are `classes' of fonts that can be grouped together and used in */ - /* rules below. A blank entry "" is required at the end of these! */ -#define FAMILY_CLASS_RULES_SIZE 7 - - Font_Class FAMILY_CLASS_Rules - [FAMILY_CLASS_RULES_SIZE] = - { - { "MS Legacy Fonts", - { "Aharoni", - "Andale Mono", - "Andalus", - "Angsana New", - "AngsanaUPC", - "Arabic Transparent", - "Arial Black", - "Arial Narrow", - "Arial Unicode MS", - "Arial", - "Batang", - "Browallia New", - "BrowalliaUPC", - "Comic Sans MS", - "Cordia New", - "CordiaUPC", - "Courier New", - "DFKai-SB", - "David Transparent", - "David", - "DilleniaUPC", - "Estrangelo Edessa", - "EucrosiaUPC", - "FangSong_GB2312", - "Fixed Miriam Transparent", - "FrankRuehl", - "Franklin Gothic Medium", - "FreesiaUPC", - "Garamond", - "Gautami", - "Georgia", - "Gulim", - "Impact", - "IrisUPC", - "JasmineUPC", - "KaiTi_GB2312", - "KodchiangUPC", - "Latha", - "Levenim MT", - "LilyUPC", - "Lucida Console", - "Lucida Sans Unicode", - "MS Gothic", - "MS Mincho", - "MV Boli", - "Mangal", - "Marlett", - "Microsoft Sans Serif", - "Mingliu", - "Miriam Fixed", - "Miriam Transparent", - "Miriam", - "Narkisim", - "Palatino Linotype", - "Raavi", - "Rod Transparent", - "Rod", - "Shruti", - "SimHei", - "Simplified Arabic Fixed", - "Simplified Arabic", - "Simsun", - "Sylfaen", - "Symbol", - "Tahoma", - "Times New Roman", - "Traditional Arabic", - "Trebuchet MS", - "Tunga", - "Verdana", - "Webdings", - "Wingdings", - "", - }, - }, - { "Core MS Legacy Fonts", - { "Arial Black", - "Arial Narrow", - "Arial Unicode MS", - "Arial", - "Comic Sans MS", - "Courier New", - "Garamond", - "Georgia", - "Impact", - "Lucida Console", - "Lucida Sans Unicode", - "Microsoft Sans Serif", - "Palatino Linotype", - "Tahoma", - "Times New Roman", - "Trebuchet MS", - "Verdana", - "", - }, - }, - { "Apple Legacy Fonts", - { "Geneva", - "Times", - "Monaco", - "Century", - "Chalkboard", - "Lobster", - "Century Gothic", - "Optima", - "Lucida Grande", - "Gill Sans", - "Baskerville", - "Helvetica", - "Helvetica Neue", - "", - }, - }, - { "Legacy Sans Fonts", - { "Andale Mono", - "Arial Unicode MS", - "Arial", - "Century Gothic", - "Comic Sans MS", - "Franklin Gothic Medium", - "Geneva", - "Lucida Console", - "Lucida Grande", - "Lucida Sans Unicode", - "Lucida Sans Typewriter", - "Microsoft Sans Serif", - "Monaco", - "Tahoma", - "Trebuchet MS", - "Verdana", - "", - }, - }, - - { "Misc Legacy Fonts", - { "Dark Courier", "", }, }, - { "Verdana Clones", - { "DejaVu Sans", - "Bitstream Vera Sans", "", }, }, - { "Verdana and Clones", - { "DejaVu Sans", - "Bitstream Vera Sans", - "Verdana", "", }, }, - }; - - - /* Define `classes' of styles that can be grouped together and used in */ - /* rules below. A blank entry "" is required at the end of these! */ -#define STYLE_CLASS_RULES_SIZE 5 - - Font_Class STYLE_CLASS_Rules - [STYLE_CLASS_RULES_SIZE] = - { - { "Regular Class", - { "Regular", - "Book", - "Medium", - "Roman", - "Normal", - "", - }, - }, - { "Regular/Italic Class", - { "Regular", - "Book", - "Medium", - "Italic", - "Oblique", - "Roman", - "Normal", - "", - }, - }, - { "Bold/BoldItalic Class", - { "Bold", - "Bold Italic", - "Black", - "", - }, - }, - { "Bold/Italic/BoldItalic Class", - { "Bold", - "Bold Italic", - "Black", - "Italic", - "Oblique", - "", - }, - }, - { "Regular/Bold Class", - { "Regular", - "Book", - "Medium", - "Normal", - "Roman", - "Bold", - "Black", - "", - }, - }, - }; - - - /* Special fixes for known legacy fonts; */ - /* this is the primary workhorse rule for legacy fonts */ -#define COMPATIBILITY_MODE_RULES_SIZE 4 - - SPH_TweakRule COMPATIBILITY_MODE_Rules - [COMPATIBILITY_MODE_RULES_SIZE] = - { - { "MS Legacy Fonts", 0, "", 0 }, - { "Apple Legacy Fonts", 0, "", 0 }, - { "Misc Legacy Fonts", 0, "", 0 }, - { "Verdana Clones", 0, "", 0 }, - }; - - - /* Don't do subpixel (ignore_x_mode) hinting; do normal hinting. */ -#define PIXEL_HINTING_RULES_SIZE 4 - - SPH_TweakRule PIXEL_HINTING_Rules - [PIXEL_HINTING_RULES_SIZE] = - { - /* these characters are almost always safe */ - { "", 0, "", '<' }, - { "", 0, "", '>' }, - /* fixes the vanishing stem */ - { "Times New Roman", 0, "Bold", 'A' }, - { "Times New Roman", 0, "Bold", 'V' }, - }; - - - /* According to Greg Hitchcock and the MS whitepaper, this should work */ - /* on all legacy MS fonts, but creates artifacts with some. Only using */ - /* where absolutely necessary. */ -#define SKIP_INLINE_DELTAS_RULES_SIZE 1 - - SPH_TweakRule SKIP_INLINE_DELTAS_Rules - [SKIP_INLINE_DELTAS_RULES_SIZE] = - { - { "-", 0, "", 0 }, - }; - - - /* Subpixel hinting ignores SHPIX rules on X. Force SHPIX for these. */ -#define DO_SHPIX_RULES_SIZE 1 - - SPH_TweakRule DO_SHPIX_Rules - [DO_SHPIX_RULES_SIZE] = - { - { "-", 0, "", 0 }, - }; - - - /* Skip Y moves that start with a point that is not on a Y pixel */ - /* boundary and don't move that point to a Y pixel boundary. */ -#define SKIP_NONPIXEL_Y_MOVES_RULES_SIZE 10 - - SPH_TweakRule SKIP_NONPIXEL_Y_MOVES_Rules - [SKIP_NONPIXEL_Y_MOVES_RULES_SIZE] = - { - /* fix vwxyz thinness*/ - { "Consolas", 0, "Regular", 0 }, - /* fix tiny gap at top of m */ - { "Arial", 0, "Regular", 'm' }, - /* Fix thin middle stems */ - { "Core MS Legacy Fonts", 0, "Regular/Bold Class", 'N' }, - { "Lucida Grande", 0, "", 'N' }, - { "Lucida Grande", 0, "Bold", 'y' }, - /* Cyrillic small letter I */ - { "Legacy Sans Fonts", 0, "", 0x438 }, - { "Verdana Clones", 0, "",'N' }, - { "Ubuntu", 0, "Regular Class", 'N' }, - /* Fix misshapen x */ - { "Verdana", 0, "Bold", 'x' }, - /* Fix misshapen s */ - { "Tahoma", 0, "", 's' }, - }; - - -#define SKIP_NONPIXEL_Y_MOVES_RULES_EXCEPTIONS_SIZE 6 - - SPH_TweakRule SKIP_NONPIXEL_Y_MOVES_Rules_Exceptions - [SKIP_NONPIXEL_Y_MOVES_RULES_EXCEPTIONS_SIZE] = - { - { "Tahoma", 0, "", 'N' }, - { "Comic Sans MS", 0, "", 'N' }, - { "Verdana", 0, "Regular/Bold Class", 'N' }, - { "Verdana", 11, "Bold", 'x' }, - /* Cyrillic small letter I */ - { "Arial", 0, "", 0x438 }, - { "Trebuchet MS", 0, "Bold", 0 }, - }; - - - /* Skip Y moves that move a point off a Y pixel boundary. */ - /* This fixes Tahoma, Trebuchet oddities and some issues with `$'. */ -#define SKIP_OFFPIXEL_Y_MOVES_RULES_SIZE 5 - - SPH_TweakRule SKIP_OFFPIXEL_Y_MOVES_Rules - [SKIP_OFFPIXEL_Y_MOVES_RULES_SIZE] = - { - { "MS Legacy Fonts", 0, "", 0 }, - { "Apple Legacy Fonts", 0, "", 0 }, - { "Misc Legacy Fonts", 0, "", 0 }, - { "Ubuntu", 0, "Regular Class", 0 }, - { "Verdana Clones", 0, "", 0 }, - }; - - -#define SKIP_OFFPIXEL_Y_MOVES_RULES_EXCEPTIONS_SIZE 1 - - SPH_TweakRule SKIP_OFFPIXEL_Y_MOVES_Rules_Exceptions - [SKIP_OFFPIXEL_Y_MOVES_RULES_EXCEPTIONS_SIZE] = - { - { "-", 0, "", 0 }, - }; - - - /* Round moves that don't move a point to a Y pixel boundary. */ -#define ROUND_NONPIXEL_Y_MOVES_RULES_SIZE 3 - - SPH_TweakRule ROUND_NONPIXEL_Y_MOVES_Rules - [ROUND_NONPIXEL_Y_MOVES_RULES_SIZE] = - { - /* Droid font instructions don't snap Y to pixels */ - { "Droid Sans", 0, "Regular/Italic Class", 0 }, - { "Droid Sans Mono", 0, "", 0 }, - { "Ubuntu", 0, "", 0 }, - }; - - -#define ROUND_NONPIXEL_Y_MOVES_RULES_EXCEPTIONS_SIZE 3 - - SPH_TweakRule ROUND_NONPIXEL_Y_MOVES_Rules_Exceptions - [ROUND_NONPIXEL_Y_MOVES_RULES_EXCEPTIONS_SIZE] = - { - { "Droid Sans", 12, "Bold", 0 }, - { "Droid Sans", 13, "Bold", 0 }, - { "Droid Sans", 16, "Bold", 0 }, - }; - - - /* Allow a Direct_Move_X along X freedom vector if matched. */ -#define ALLOW_X_DMOVEX_RULES_SIZE 1 - - SPH_TweakRule ALLOW_X_DMOVEX_Rules - [ALLOW_X_DMOVEX_RULES_SIZE] = - { - { "-", 0, "Regular", 0 }, - }; - - - /* Allow a Direct_Move along X freedom vector if matched. */ -#define ALLOW_X_DMOVE_RULES_SIZE 1 - - SPH_TweakRule ALLOW_X_DMOVE_Rules - [ALLOW_X_DMOVE_RULES_SIZE] = - { - /* Fixes vanishing diagonal in 4 */ - { "Verdana", 0, "Regular", '4' }, - }; - - - /* Allow a ZP2 move along freedom vector if matched; */ - /* This is called from SHP, SHPIX, SHC, SHZ. */ -#define ALLOW_X_MOVE_ZP2_RULES_SIZE 1 - - SPH_TweakRule ALLOW_X_MOVE_ZP2_Rules - [ALLOW_X_MOVE_ZP2_RULES_SIZE] = - { - { "-", 0, "", 0 }, - }; - - - /* Return MS rasterizer version 35 if matched. */ -#define RASTERIZER_35_RULES_SIZE 8 - - SPH_TweakRule RASTERIZER_35_Rules - [RASTERIZER_35_RULES_SIZE] = - { - /* This seems to be the only way to make these look good */ - { "Times New Roman", 0, "Regular", 'i' }, - { "Times New Roman", 0, "Regular", 'j' }, - { "Times New Roman", 0, "Regular", 'm' }, - { "Times New Roman", 0, "Regular", 'r' }, - { "Times New Roman", 0, "Regular", 'a' }, - { "Times New Roman", 0, "Regular", 'n' }, - { "Times New Roman", 0, "Regular", 'p' }, - { "Times", 0, "", 0 }, - }; - - - /* Don't round to the subpixel grid. Round to pixel grid. */ -#define NORMAL_ROUND_RULES_SIZE 2 - - SPH_TweakRule NORMAL_ROUND_Rules - [NORMAL_ROUND_RULES_SIZE] = - { - /* Fix point "explosions" */ - { "Courier New", 0, "", 0 }, - { "Verdana", 10, "Regular", '4' }, - }; - - - /* Skip IUP instructions if matched. */ -#define SKIP_IUP_RULES_SIZE 1 - - SPH_TweakRule SKIP_IUP_Rules - [SKIP_IUP_RULES_SIZE] = - { - { "Arial", 13, "Regular", 'a' }, - }; - - - /* Skip MIAP Twilight hack if matched. */ -#define MIAP_HACK_RULES_SIZE 1 - - SPH_TweakRule MIAP_HACK_Rules - [MIAP_HACK_RULES_SIZE] = - { - { "Geneva", 12, "", 0 }, - }; - - - /* Skip DELTAP instructions if matched. */ -#define ALWAYS_SKIP_DELTAP_RULES_SIZE 16 - - SPH_TweakRule ALWAYS_SKIP_DELTAP_Rules - [ALWAYS_SKIP_DELTAP_RULES_SIZE] = - { - { "Georgia", 0, "Regular", 'k' }, - /* fixes problems with W M w */ - { "Trebuchet MS", 0, "Italic", 0 }, - /* fix various problems with e in different versions */ - { "Trebuchet MS", 14, "Regular", 'e' }, - { "Trebuchet MS", 13, "Regular", 'e' }, - { "Trebuchet MS", 15, "Regular", 'e' }, - { "Arial", 11, "Regular", 's' }, - { "Verdana", 10, "Regular", 0 }, - { "Verdana", 9, "Regular", 0 }, - /* Cyrillic small letter short I */ - { "Legacy Sans Fonts", 0, "", 0x438 }, - { "Legacy Sans Fonts", 0, "", 0x439 }, - { "Arial", 10, "Regular", '6' }, - { "Arial", 0, "Bold/BoldItalic Class", 'a' }, - /* Make horizontal stems consistent with the rest */ - { "Arial", 24, "Bold", 's' }, - { "Arial", 25, "Bold", 's' }, - { "Arial", 24, "Bold", 'a' }, - { "Arial", 25, "Bold", 'a' }, - }; - - - /* Always do DELTAP instructions if matched. */ -#define ALWAYS_DO_DELTAP_RULES_SIZE 2 - - SPH_TweakRule ALWAYS_DO_DELTAP_Rules - [ALWAYS_DO_DELTAP_RULES_SIZE] = - { - { "Verdana Clones", 17, "Regular Class", 'K' }, - { "Verdana Clones", 17, "Regular Class", 'k' }, - }; - - - /* Do an extra RTG instruction in DELTAP if matched. */ -#define DELTAP_RTG_RULES_SIZE 1 - - SPH_TweakRule DELTAP_RTG_Rules - [DELTAP_RTG_RULES_SIZE] = - { - { "-", 0, "", 0 }, - }; - - - /* Force CVT distance to zero in MIRP. */ -#define MIRP_CVT_ZERO_RULES_SIZE 1 - - SPH_TweakRule MIRP_CVT_ZERO_Rules - [MIRP_CVT_ZERO_RULES_SIZE] = - { - { "-", 0, "", 0 }, - }; - - - /* Skip moves that meet or exceed 1 pixel. */ -#define DELTAP_SKIP_EXAGGERATED_VALUES_RULES_SIZE 1 - - SPH_TweakRule DELTAP_SKIP_EXAGGERATED_VALUES_Rules - [DELTAP_SKIP_EXAGGERATED_VALUES_RULES_SIZE] = - { - /* Fix vanishing stems */ - { "Ubuntu", 0, "Regular", 'M' }, - }; - - - /* Don't allow ALIGNRP after IUP. */ -#define NO_ALIGNRP_AFTER_IUP_RULES_SIZE 4 - - SPH_TweakRule NO_ALIGNRP_AFTER_IUP_Rules - [NO_ALIGNRP_AFTER_IUP_RULES_SIZE] = - { - /* Prevent creation of dents in outline */ - { "Courier New", 0, "Bold", 'C' }, - { "Courier New", 0, "Bold", 'D' }, - { "Courier New", 0, "Bold", 'Q' }, - { "Courier New", 0, "Bold", '0' }, - }; - - - /* Don't allow DELTAP after IUP. */ -#define NO_DELTAP_AFTER_IUP_RULES_SIZE 2 - - SPH_TweakRule NO_DELTAP_AFTER_IUP_Rules - [NO_DELTAP_AFTER_IUP_RULES_SIZE] = - { - { "Arial", 0, "Bold", 'N' }, - { "Verdana", 0, "Regular", '4' }, - }; - - - /* Don't allow CALL after IUP. */ -#define NO_CALL_AFTER_IUP_RULES_SIZE 4 - - SPH_TweakRule NO_CALL_AFTER_IUP_Rules - [NO_CALL_AFTER_IUP_RULES_SIZE] = - { - /* Prevent creation of dents in outline */ - { "Courier New", 0, "Bold", 'O' }, - { "Courier New", 0, "Bold", 'Q' }, - { "Courier New", 0, "Bold", 'k' }, - { "Courier New", 0, "Bold Italic", 'M' }, - }; - - - /* De-embolden these glyphs slightly. */ -#define DEEMBOLDEN_RULES_SIZE 9 - - SPH_TweakRule DEEMBOLDEN_Rules - [DEEMBOLDEN_RULES_SIZE] = - { - { "Courier New", 0, "Bold", 'A' }, - { "Courier New", 0, "Bold", 'W' }, - { "Courier New", 0, "Bold", 'w' }, - { "Courier New", 0, "Bold", 'M' }, - { "Courier New", 0, "Bold", 'X' }, - { "Courier New", 0, "Bold", 'K' }, - { "Courier New", 0, "Bold", 'x' }, - { "Courier New", 0, "Bold", 'z' }, - { "Courier New", 0, "Bold", 'v' }, - }; - - - /* Embolden these glyphs slightly. */ -#define EMBOLDEN_RULES_SIZE 5 - - SPH_TweakRule EMBOLDEN_Rules - [EMBOLDEN_RULES_SIZE] = - { - { "Courier New", 12, "Italic", 'z' }, - { "Courier New", 11, "Italic", 'z' }, - { "Courier New", 10, "Italic", 'z' }, - { "Courier New", 0, "Regular", 0 }, - { "Courier New", 0, "Italic", 0 }, - }; - - - /* Do an extra RDTG instruction in DELTAP if matched. */ -#define DELTAP_RDTG_RULES_SIZE 1 - - SPH_TweakRule DELTAP_RDTG_Rules - [DELTAP_RDTG_RULES_SIZE] = - { - { "-", 0, "", 0 }, - }; - - - /* This is a CVT hack that makes thick horizontal stems on 2, 5, 7 */ - /* similar to Windows XP. */ -#define TIMES_NEW_ROMAN_HACK_RULES_SIZE 12 - - SPH_TweakRule TIMES_NEW_ROMAN_HACK_Rules - [TIMES_NEW_ROMAN_HACK_RULES_SIZE] = - { - { "Times New Roman", 16, "Italic", '2' }, - { "Times New Roman", 16, "Italic", '5' }, - { "Times New Roman", 16, "Italic", '7' }, - { "Times New Roman", 16, "Regular", '2' }, - { "Times New Roman", 16, "Regular", '5' }, - { "Times New Roman", 16, "Regular", '7' }, - { "Times New Roman", 17, "Italic", '2' }, - { "Times New Roman", 17, "Italic", '5' }, - { "Times New Roman", 17, "Italic", '7' }, - { "Times New Roman", 17, "Regular", '2' }, - { "Times New Roman", 17, "Regular", '5' }, - { "Times New Roman", 17, "Regular", '7' }, - }; - - - /* This fudges distance on 2 to get rid of the vanishing stem issue. */ - /* A real solution to this is certainly welcome. */ -#define COURIER_NEW_2_HACK_RULES_SIZE 15 - - SPH_TweakRule COURIER_NEW_2_HACK_Rules - [COURIER_NEW_2_HACK_RULES_SIZE] = - { - { "Courier New", 10, "Regular", '2' }, - { "Courier New", 11, "Regular", '2' }, - { "Courier New", 12, "Regular", '2' }, - { "Courier New", 13, "Regular", '2' }, - { "Courier New", 14, "Regular", '2' }, - { "Courier New", 15, "Regular", '2' }, - { "Courier New", 16, "Regular", '2' }, - { "Courier New", 17, "Regular", '2' }, - { "Courier New", 18, "Regular", '2' }, - { "Courier New", 19, "Regular", '2' }, - { "Courier New", 20, "Regular", '2' }, - { "Courier New", 21, "Regular", '2' }, - { "Courier New", 22, "Regular", '2' }, - { "Courier New", 23, "Regular", '2' }, - { "Courier New", 24, "Regular", '2' }, - }; - - -#ifndef FORCE_NATURAL_WIDTHS - - /* Use compatible widths with these glyphs. Compatible widths is always */ - /* on when doing B/W TrueType instructing, but is used selectively here, */ - /* typically on glyphs with 3 or more vertical stems. */ -#define COMPATIBLE_WIDTHS_RULES_SIZE 38 - - SPH_TweakRule COMPATIBLE_WIDTHS_Rules - [COMPATIBLE_WIDTHS_RULES_SIZE] = - { - { "Arial Unicode MS", 12, "Regular Class", 'm' }, - { "Arial Unicode MS", 14, "Regular Class", 'm' }, - /* Cyrillic small letter sha */ - { "Arial", 10, "Regular Class", 0x448 }, - { "Arial", 11, "Regular Class", 'm' }, - { "Arial", 12, "Regular Class", 'm' }, - /* Cyrillic small letter sha */ - { "Arial", 12, "Regular Class", 0x448 }, - { "Arial", 13, "Regular Class", 0x448 }, - { "Arial", 14, "Regular Class", 'm' }, - /* Cyrillic small letter sha */ - { "Arial", 14, "Regular Class", 0x448 }, - { "Arial", 15, "Regular Class", 0x448 }, - { "Arial", 17, "Regular Class", 'm' }, - { "DejaVu Sans", 15, "Regular Class", 0 }, - { "Microsoft Sans Serif", 11, "Regular Class", 0 }, - { "Microsoft Sans Serif", 12, "Regular Class", 0 }, - { "Segoe UI", 11, "Regular Class", 0 }, - { "Monaco", 0, "Regular Class", 0 }, - { "Segoe UI", 12, "Regular Class", 'm' }, - { "Segoe UI", 14, "Regular Class", 'm' }, - { "Tahoma", 11, "Regular Class", 0 }, - { "Times New Roman", 16, "Regular Class", 'c' }, - { "Times New Roman", 16, "Regular Class", 'm' }, - { "Times New Roman", 16, "Regular Class", 'o' }, - { "Times New Roman", 16, "Regular Class", 'w' }, - { "Trebuchet MS", 11, "Regular Class", 0 }, - { "Trebuchet MS", 12, "Regular Class", 0 }, - { "Trebuchet MS", 14, "Regular Class", 0 }, - { "Trebuchet MS", 15, "Regular Class", 0 }, - { "Ubuntu", 12, "Regular Class", 'm' }, - /* Cyrillic small letter sha */ - { "Verdana", 10, "Regular Class", 0x448 }, - { "Verdana", 11, "Regular Class", 0x448 }, - { "Verdana and Clones", 12, "Regular Class", 'i' }, - { "Verdana and Clones", 12, "Regular Class", 'j' }, - { "Verdana and Clones", 12, "Regular Class", 'l' }, - { "Verdana and Clones", 12, "Regular Class", 'm' }, - { "Verdana and Clones", 13, "Regular Class", 'i' }, - { "Verdana and Clones", 13, "Regular Class", 'j' }, - { "Verdana and Clones", 13, "Regular Class", 'l' }, - { "Verdana and Clones", 14, "Regular Class", 'm' }, - }; - - - /* Scaling slightly in the x-direction prior to hinting results in */ - /* more visually pleasing glyphs in certain cases. */ - /* This sometimes needs to be coordinated with compatible width rules. */ - /* A value of 1000 corresponds to a scaled value of 1.0. */ -#define X_SCALING_RULES_SIZE 50 - - SPH_ScaleRule X_SCALING_Rules - [X_SCALING_RULES_SIZE] = - { - { "DejaVu Sans", 12, "Regular Class", 'm', 950 }, - { "Verdana and Clones", 12, "Regular Class", 'a', 1100 }, - { "Verdana and Clones", 13, "Regular Class", 'a', 1050 }, - { "Arial", 11, "Regular Class", 'm', 975 }, - { "Arial", 12, "Regular Class", 'm', 1050 }, - /* Cyrillic small letter el */ - { "Arial", 13, "Regular Class", 0x43B, 950 }, - { "Arial", 13, "Regular Class", 'o', 950 }, - { "Arial", 13, "Regular Class", 'e', 950 }, - { "Arial", 14, "Regular Class", 'm', 950 }, - /* Cyrillic small letter el */ - { "Arial", 15, "Regular Class", 0x43B, 925 }, - { "Bitstream Vera Sans", 10, "Regular/Italic Class", 0, 1100 }, - { "Bitstream Vera Sans", 12, "Regular/Italic Class", 0, 1050 }, - { "Bitstream Vera Sans", 16, "Regular Class", 0, 1050 }, - { "Bitstream Vera Sans", 9, "Regular/Italic Class", 0, 1050 }, - { "DejaVu Sans", 12, "Regular Class", 'l', 975 }, - { "DejaVu Sans", 12, "Regular Class", 'i', 975 }, - { "DejaVu Sans", 12, "Regular Class", 'j', 975 }, - { "DejaVu Sans", 13, "Regular Class", 'l', 950 }, - { "DejaVu Sans", 13, "Regular Class", 'i', 950 }, - { "DejaVu Sans", 13, "Regular Class", 'j', 950 }, - { "DejaVu Sans", 10, "Regular/Italic Class", 0, 1100 }, - { "DejaVu Sans", 12, "Regular/Italic Class", 0, 1050 }, - { "Georgia", 10, "", 0, 1050 }, - { "Georgia", 11, "", 0, 1100 }, - { "Georgia", 12, "", 0, 1025 }, - { "Georgia", 13, "", 0, 1050 }, - { "Georgia", 16, "", 0, 1050 }, - { "Georgia", 17, "", 0, 1030 }, - { "Liberation Sans", 12, "Regular Class", 'm', 1100 }, - { "Lucida Grande", 11, "Regular Class", 'm', 1100 }, - { "Microsoft Sans Serif", 11, "Regular Class", 'm', 950 }, - { "Microsoft Sans Serif", 12, "Regular Class", 'm', 1050 }, - { "Segoe UI", 12, "Regular Class", 'H', 1050 }, - { "Segoe UI", 12, "Regular Class", 'm', 1050 }, - { "Segoe UI", 14, "Regular Class", 'm', 1050 }, - { "Tahoma", 11, "Regular Class", 'i', 975 }, - { "Tahoma", 11, "Regular Class", 'l', 975 }, - { "Tahoma", 11, "Regular Class", 'j', 900 }, - { "Tahoma", 11, "Regular Class", 'm', 918 }, - { "Verdana", 10, "Regular/Italic Class", 0, 1100 }, - { "Verdana", 12, "Regular Class", 'm', 975 }, - { "Verdana", 12, "Regular/Italic Class", 0, 1050 }, - { "Verdana", 13, "Regular/Italic Class", 'i', 950 }, - { "Verdana", 13, "Regular/Italic Class", 'j', 950 }, - { "Verdana", 13, "Regular/Italic Class", 'l', 950 }, - { "Verdana", 16, "Regular Class", 0, 1050 }, - { "Verdana", 9, "Regular/Italic Class", 0, 1050 }, - { "Times New Roman", 16, "Regular Class", 'm', 918 }, - { "Trebuchet MS", 11, "Regular Class", 'm', 800 }, - { "Trebuchet MS", 12, "Regular Class", 'm', 800 }, - }; - -#else - -#define COMPATIBLE_WIDTHS_RULES_SIZE 1 - - SPH_TweakRule COMPATIBLE_WIDTHS_Rules - [COMPATIBLE_WIDTHS_RULES_SIZE] = - { - { "-", 0, "", 0 }, - }; - - -#define X_SCALING_RULES_SIZE 1 - - SPH_ScaleRule X_SCALING_Rules - [X_SCALING_RULES_SIZE] = - { - { "-", 0, "", 0, 1000 }, - }; - -#endif /* FORCE_NATURAL_WIDTHS */ - #endif /* TT_CONFIG_OPTION_SUBPIXEL_HINTING */ |