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author | Reinhard Tartler <siretart@tauware.de> | 2011-10-10 17:43:39 +0200 |
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committer | Reinhard Tartler <siretart@tauware.de> | 2011-10-10 17:43:39 +0200 |
commit | f4092abdf94af6a99aff944d6264bc1284e8bdd4 (patch) | |
tree | 2ac1c9cc16ceb93edb2c4382c088dac5aeafdf0f /nx-X11/extras/freetype2/src/sfnt/sfobjs.c | |
parent | a840692edc9c6d19cd7c057f68e39c7d95eb767d (diff) | |
download | nx-libs-f4092abdf94af6a99aff944d6264bc1284e8bdd4.tar.gz nx-libs-f4092abdf94af6a99aff944d6264bc1284e8bdd4.tar.bz2 nx-libs-f4092abdf94af6a99aff944d6264bc1284e8bdd4.zip |
Imported nx-X11-3.1.0-1.tar.gznx-X11/3.1.0-1
Summary: Imported nx-X11-3.1.0-1.tar.gz
Keywords:
Imported nx-X11-3.1.0-1.tar.gz
into Git repository
Diffstat (limited to 'nx-X11/extras/freetype2/src/sfnt/sfobjs.c')
-rw-r--r-- | nx-X11/extras/freetype2/src/sfnt/sfobjs.c | 854 |
1 files changed, 854 insertions, 0 deletions
diff --git a/nx-X11/extras/freetype2/src/sfnt/sfobjs.c b/nx-X11/extras/freetype2/src/sfnt/sfobjs.c new file mode 100644 index 000000000..aef3f5dfb --- /dev/null +++ b/nx-X11/extras/freetype2/src/sfnt/sfobjs.c @@ -0,0 +1,854 @@ +/***************************************************************************/ +/* */ +/* sfobjs.c */ +/* */ +/* SFNT object management (base). */ +/* */ +/* Copyright 1996-2001, 2002, 2003, 2004 by */ +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ +/* */ +/* 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. */ +/* */ +/***************************************************************************/ + + +#include <ft2build.h> +#include "sfobjs.h" +#include "ttload.h" +#include "ttcmap0.h" +#include FT_INTERNAL_SFNT_H +#include FT_TRUETYPE_IDS_H +#include FT_TRUETYPE_TAGS_H +#include FT_SERVICE_POSTSCRIPT_CMAPS_H +#include "sferrors.h" + + + /*************************************************************************/ + /* */ + /* The macro FT_COMPONENT is used in trace mode. It is an implicit */ + /* parameter of the FT_TRACE() and FT_ERROR() macros, used to print/log */ + /* messages during execution. */ + /* */ +#undef FT_COMPONENT +#define FT_COMPONENT trace_sfobjs + + + + /* convert a UTF-16 name entry to ASCII */ + static FT_String* + tt_name_entry_ascii_from_utf16( TT_NameEntry entry, + FT_Memory memory ) + { + FT_String* string; + FT_UInt len, code, n; + FT_Byte* read = (FT_Byte*)entry->string; + + + len = (FT_UInt)entry->stringLength / 2; + + if ( FT_MEM_NEW_ARRAY( string, len + 1 ) ) + return NULL; + + for ( n = 0; n < len; n++ ) + { + code = FT_NEXT_USHORT( read ); + if ( code < 32 || code > 127 ) + code = '?'; + + string[n] = (char)code; + } + + string[len] = 0; + + return string; + } + + + /* convert a UCS-4 name entry to ASCII */ + static FT_String* + tt_name_entry_ascii_from_ucs4( TT_NameEntry entry, + FT_Memory memory ) + { + FT_String* string; + FT_UInt len, code, n; + FT_Byte* read = (FT_Byte*)entry->string; + + + len = (FT_UInt)entry->stringLength / 4; + + if ( FT_MEM_NEW_ARRAY( string, len + 1 ) ) + return NULL; + + for ( n = 0; n < len; n++ ) + { + code = (FT_UInt)FT_NEXT_ULONG( read ); + if ( code < 32 || code > 127 ) + code = '?'; + + string[n] = (char)code; + } + + string[len] = 0; + + return string; + } + + + /* convert an Apple Roman or symbol name entry to ASCII */ + static FT_String* + tt_name_entry_ascii_from_other( TT_NameEntry entry, + FT_Memory memory ) + { + FT_String* string; + FT_UInt len, code, n; + FT_Byte* read = (FT_Byte*)entry->string; + + + len = (FT_UInt)entry->stringLength; + + if ( FT_MEM_NEW_ARRAY( string, len + 1 ) ) + return NULL; + + for ( n = 0; n < len; n++ ) + { + code = *read++; + if ( code < 32 || code > 127 ) + code = '?'; + + string[n] = (char)code; + } + + string[len] = 0; + + return string; + } + + + typedef FT_String* (*TT_NameEntry_ConvertFunc)( TT_NameEntry entry, + FT_Memory memory ); + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* tt_face_get_name */ + /* */ + /* <Description> */ + /* Returns a given ENGLISH name record in ASCII. */ + /* */ + /* <Input> */ + /* face :: A handle to the source face object. */ + /* */ + /* nameid :: The name id of the name record to return. */ + /* */ + /* <Return> */ + /* Character string. NULL if no name is present. */ + /* */ + static FT_String* + tt_face_get_name( TT_Face face, + FT_UShort nameid ) + { + FT_Memory memory = face->root.memory; + FT_String* result = NULL; + FT_UShort n; + TT_NameEntryRec* rec; + FT_Int found_apple = -1; + FT_Int found_win = -1; + FT_Int found_unicode = -1; + + FT_Bool is_english = 0; + + TT_NameEntry_ConvertFunc convert; + + + rec = face->name_table.names; + for ( n = 0; n < face->num_names; n++, rec++ ) + { + /* According to the OpenType 1.3 specification, only Microsoft or */ + /* Apple platform IDs might be used in the `name' table. The */ + /* `Unicode' platform is reserved for the `cmap' table, and the */ + /* `Iso' one is deprecated. */ + /* */ + /* However, the Apple TrueType specification doesn't say the same */ + /* thing and goes to suggest that all Unicode `name' table entries */ + /* should be coded in UTF-16 (in big-endian format I suppose). */ + /* */ + if ( rec->nameID == nameid && rec->stringLength > 0 ) + { + switch ( rec->platformID ) + { + case TT_PLATFORM_APPLE_UNICODE: + case TT_PLATFORM_ISO: + /* there is `languageID' to check there. We should use this */ + /* field only as a last solution when nothing else is */ + /* available. */ + /* */ + found_unicode = n; + break; + + case TT_PLATFORM_MACINTOSH: + if ( rec->languageID == TT_MAC_LANGID_ENGLISH ) + found_apple = n; + + break; + + case TT_PLATFORM_MICROSOFT: + /* we only take a non-English name when there is nothing */ + /* else available in the font */ + /* */ + if ( found_win == -1 || ( rec->languageID & 0x3FF ) == 0x009 ) + { + switch ( rec->encodingID ) + { + case TT_MS_ID_SYMBOL_CS: + case TT_MS_ID_UNICODE_CS: + case TT_MS_ID_UCS_4: + is_english = ( rec->languageID & 0x3FF ) == 0x009; + found_win = n; + break; + + default: + ; + } + } + break; + + default: + ; + } + } + } + + /* some fonts contain invalid Unicode or Macintosh formatted entries; */ + /* we will thus favor names encoded in Windows formats if available */ + /* (provided it is an English name) */ + /* */ + convert = NULL; + if ( found_win >= 0 && !( found_apple >= 0 && !is_english ) ) + { + rec = face->name_table.names + found_win; + switch ( rec->encodingID ) + { + case TT_MS_ID_UNICODE_CS: + case TT_MS_ID_SYMBOL_CS: + convert = tt_name_entry_ascii_from_utf16; + break; + + case TT_MS_ID_UCS_4: + convert = tt_name_entry_ascii_from_ucs4; + break; + + default: + ; + } + } + else if ( found_apple >= 0 ) + { + rec = face->name_table.names + found_apple; + convert = tt_name_entry_ascii_from_other; + } + else if ( found_unicode >= 0 ) + { + rec = face->name_table.names + found_unicode; + convert = tt_name_entry_ascii_from_utf16; + } + + if ( rec && convert ) + { + if ( rec->string == NULL ) + { + FT_Error error = SFNT_Err_Ok; + FT_Stream stream = face->name_table.stream; + + FT_UNUSED( error ); + + + if ( FT_QNEW_ARRAY ( rec->string, rec->stringLength ) || + FT_STREAM_SEEK( rec->stringOffset ) || + FT_STREAM_READ( rec->string, rec->stringLength ) ) + { + FT_FREE( rec->string ); + rec->stringLength = 0; + result = NULL; + goto Exit; + } + } + + result = convert( rec, memory ); + } + + Exit: + return result; + } + + + static FT_Encoding + sfnt_find_encoding( int platform_id, + int encoding_id ) + { + typedef struct TEncoding + { + int platform_id; + int encoding_id; + FT_Encoding encoding; + + } TEncoding; + + static + const TEncoding tt_encodings[] = + { + { TT_PLATFORM_ISO, -1, FT_ENCODING_UNICODE }, + + { TT_PLATFORM_APPLE_UNICODE, -1, FT_ENCODING_UNICODE }, + + { TT_PLATFORM_MACINTOSH, TT_MAC_ID_ROMAN, FT_ENCODING_APPLE_ROMAN }, + + { TT_PLATFORM_MICROSOFT, TT_MS_ID_SYMBOL_CS, FT_ENCODING_MS_SYMBOL }, + { TT_PLATFORM_MICROSOFT, TT_MS_ID_UCS_4, FT_ENCODING_UNICODE }, + { TT_PLATFORM_MICROSOFT, TT_MS_ID_UNICODE_CS, FT_ENCODING_UNICODE }, + { TT_PLATFORM_MICROSOFT, TT_MS_ID_SJIS, FT_ENCODING_SJIS }, + { TT_PLATFORM_MICROSOFT, TT_MS_ID_GB2312, FT_ENCODING_GB2312 }, + { TT_PLATFORM_MICROSOFT, TT_MS_ID_BIG_5, FT_ENCODING_BIG5 }, + { TT_PLATFORM_MICROSOFT, TT_MS_ID_WANSUNG, FT_ENCODING_WANSUNG }, + { TT_PLATFORM_MICROSOFT, TT_MS_ID_JOHAB, FT_ENCODING_JOHAB } + }; + + const TEncoding *cur, *limit; + + + cur = tt_encodings; + limit = cur + sizeof ( tt_encodings ) / sizeof ( tt_encodings[0] ); + + for ( ; cur < limit; cur++ ) + { + if ( cur->platform_id == platform_id ) + { + if ( cur->encoding_id == encoding_id || + cur->encoding_id == -1 ) + return cur->encoding; + } + } + + return FT_ENCODING_NONE; + } + + + FT_LOCAL_DEF( FT_Error ) + sfnt_init_face( FT_Stream stream, + TT_Face face, + FT_Int face_index, + FT_Int num_params, + FT_Parameter* params ) + { + FT_Error error; + FT_Library library = face->root.driver->root.library; + SFNT_Service sfnt; + SFNT_HeaderRec sfnt_header; + + /* for now, parameters are unused */ + FT_UNUSED( num_params ); + FT_UNUSED( params ); + + + sfnt = (SFNT_Service)face->sfnt; + if ( !sfnt ) + { + sfnt = (SFNT_Service)FT_Get_Module_Interface( library, "sfnt" ); + if ( !sfnt ) + { + error = SFNT_Err_Invalid_File_Format; + goto Exit; + } + + face->sfnt = sfnt; + face->goto_table = sfnt->goto_table; + } + + FT_FACE_FIND_GLOBAL_SERVICE( face, face->psnames, POSTSCRIPT_CMAPS ); + + /* check that we have a valid TrueType file */ + error = sfnt->load_sfnt_header( face, stream, face_index, &sfnt_header ); + if ( error ) + goto Exit; + + face->format_tag = sfnt_header.format_tag; + face->num_tables = sfnt_header.num_tables; + + /* Load font directory */ + error = sfnt->load_directory( face, stream, &sfnt_header ); + if ( error ) + goto Exit; + + face->root.num_faces = face->ttc_header.count; + if ( face->root.num_faces < 1 ) + face->root.num_faces = 1; + + Exit: + return error; + } + + +#undef LOAD_ +#define LOAD_( x ) ( ( error = sfnt->load_##x( face, stream ) ) \ + != SFNT_Err_Ok ) + + + FT_LOCAL_DEF( FT_Error ) + sfnt_load_face( FT_Stream stream, + TT_Face face, + FT_Int face_index, + FT_Int num_params, + FT_Parameter* params ) + { + FT_Error error, psnames_error; + FT_Bool has_outline; + FT_Bool is_apple_sbit; + + SFNT_Service sfnt = (SFNT_Service)face->sfnt; + + FT_UNUSED( face_index ); + FT_UNUSED( num_params ); + FT_UNUSED( params ); + + + /* Load tables */ + + /* We now support two SFNT-based bitmapped font formats. They */ + /* are recognized easily as they do not include a `glyf' */ + /* table. */ + /* */ + /* The first format comes from Apple, and uses a table named */ + /* `bhed' instead of `head' to store the font header (using */ + /* the same format). It also doesn't include horizontal and */ + /* vertical metrics tables (i.e. `hhea' and `vhea' tables are */ + /* missing). */ + /* */ + /* The other format comes from Microsoft, and is used with */ + /* WinCE/PocketPC. It looks like a standard TTF, except that */ + /* it doesn't contain outlines. */ + /* */ + + /* do we have outlines in there? */ +#ifdef FT_CONFIG_OPTION_INCREMENTAL + has_outline = FT_BOOL( face->root.internal->incremental_interface != 0 || + tt_face_lookup_table( face, TTAG_glyf ) != 0 || + tt_face_lookup_table( face, TTAG_CFF ) != 0 ); +#else + has_outline = FT_BOOL( tt_face_lookup_table( face, TTAG_glyf ) != 0 || + tt_face_lookup_table( face, TTAG_CFF ) != 0 ); +#endif + + is_apple_sbit = 0; + +#ifdef TT_CONFIG_OPTION_EMBEDDED_BITMAPS + + /* if this font doesn't contain outlines, we try to load */ + /* a `bhed' table */ + if ( !has_outline ) + is_apple_sbit = FT_BOOL( !LOAD_( bitmap_header ) ); + +#endif /* TT_CONFIG_OPTION_EMBEDDED_BITMAPS */ + + /* load the font header (`head' table) if this isn't an Apple */ + /* sbit font file */ + if ( !is_apple_sbit && LOAD_( header ) ) + goto Exit; + + /* the following tables are often not present in embedded TrueType */ + /* fonts within PDF documents, so don't check for them. */ + (void)LOAD_( max_profile ); + (void)LOAD_( charmaps ); + + /* the following tables are optional in PCL fonts -- */ + /* don't check for errors */ + (void)LOAD_( names ); + psnames_error = LOAD_( psnames ); + + /* do not load the metrics headers and tables if this is an Apple */ + /* sbit font file */ + if ( !is_apple_sbit ) + { + /* load the `hhea' and `hmtx' tables at once */ + error = sfnt->load_metrics( face, stream, 0 ); + if ( error ) + goto Exit; + + /* try to load the `vhea' and `vmtx' tables at once */ + error = sfnt->load_metrics( face, stream, 1 ); + if ( error ) + goto Exit; + + if ( LOAD_( os2 ) ) + goto Exit; + } + + /* the optional tables */ + +#ifdef TT_CONFIG_OPTION_EMBEDDED_BITMAPS + + /* embedded bitmap support. */ + if ( sfnt->load_sbits && LOAD_( sbits ) ) + { + /* return an error if this font file has no outlines */ + if ( error == SFNT_Err_Table_Missing && has_outline ) + error = SFNT_Err_Ok; + else + goto Exit; + } + +#endif /* TT_CONFIG_OPTION_EMBEDDED_BITMAPS */ + + if ( LOAD_( hdmx ) || + LOAD_( gasp ) || + LOAD_( kerning ) || + LOAD_( pclt ) ) + goto Exit; + + face->root.family_name = tt_face_get_name( face, + TT_NAME_ID_FONT_FAMILY ); + face->root.style_name = tt_face_get_name( face, + TT_NAME_ID_FONT_SUBFAMILY ); + + /* now set up root fields */ + { + FT_Face root = &face->root; + FT_Int32 flags = 0; + FT_Memory memory; + + + memory = root->memory; + + /*********************************************************************/ + /* */ + /* Compute face flags. */ + /* */ + if ( has_outline == TRUE ) + flags = FT_FACE_FLAG_SCALABLE; /* scalable outlines */ + + flags |= FT_FACE_FLAG_SFNT | /* SFNT file format */ + FT_FACE_FLAG_HORIZONTAL; /* horizontal data */ + +#ifdef TT_CONFIG_OPTION_POSTSCRIPT_NAMES + if ( psnames_error == SFNT_Err_Ok && + face->postscript.FormatType != 0x00030000L ) + flags |= FT_FACE_FLAG_GLYPH_NAMES; +#endif + + /* fixed width font? */ + if ( face->postscript.isFixedPitch ) + flags |= FT_FACE_FLAG_FIXED_WIDTH; + + /* vertical information? */ + if ( face->vertical_info ) + flags |= FT_FACE_FLAG_VERTICAL; + + /* kerning available ? */ + if ( face->kern_pairs ) + flags |= FT_FACE_FLAG_KERNING; + +#ifdef TT_CONFIG_OPTION_GX_VAR_SUPPORT + /* Don't bother to load the tables unless somebody asks for them. */ + /* No need to do work which will (probably) not be used. */ + if ( tt_face_lookup_table( face, TTAG_glyf ) != 0 && + tt_face_lookup_table( face, TTAG_fvar ) != 0 && + tt_face_lookup_table( face, TTAG_gvar ) != 0 ) + flags |= FT_FACE_FLAG_MULTIPLE_MASTERS; +#endif + + root->face_flags = flags; + + /*********************************************************************/ + /* */ + /* Compute style flags. */ + /* */ + flags = 0; + if ( has_outline == TRUE && face->os2.version != 0xFFFFU ) + { + /* we have an OS/2 table; use the `fsSelection' field */ + if ( face->os2.fsSelection & 1 ) + flags |= FT_STYLE_FLAG_ITALIC; + + if ( face->os2.fsSelection & 32 ) + flags |= FT_STYLE_FLAG_BOLD; + } + else + { + /* this is an old Mac font, use the header field */ + if ( face->header.Mac_Style & 1 ) + flags |= FT_STYLE_FLAG_BOLD; + + if ( face->header.Mac_Style & 2 ) + flags |= FT_STYLE_FLAG_ITALIC; + } + + root->style_flags = flags; + + /*********************************************************************/ + /* */ + /* Polish the charmaps. */ + /* */ + /* Try to set the charmap encoding according to the platform & */ + /* encoding ID of each charmap. */ + /* */ + + tt_face_build_cmaps( face ); /* ignore errors */ + + + /* set the encoding fields */ + { + FT_Int m; + + + for ( m = 0; m < root->num_charmaps; m++ ) + { + FT_CharMap charmap = root->charmaps[m]; + + + charmap->encoding = sfnt_find_encoding( charmap->platform_id, + charmap->encoding_id ); + +#if 0 + if ( root->charmap == NULL && + charmap->encoding == FT_ENCODING_UNICODE ) + { + /* set 'root->charmap' to the first Unicode encoding we find */ + root->charmap = charmap; + } +#endif + } + } + + +#ifdef TT_CONFIG_OPTION_EMBEDDED_BITMAPS + + if ( face->num_sbit_strikes ) + { + FT_ULong n; + + + root->face_flags |= FT_FACE_FLAG_FIXED_SIZES; + +#if 0 + /* XXX: I don't know criteria whether layout is horizontal */ + /* or vertical. */ + if ( has_outline.... ) + { + ... + root->face_flags |= FT_FACE_FLAG_VERTICAL; + } +#endif + root->num_fixed_sizes = (FT_Int)face->num_sbit_strikes; + + if ( FT_NEW_ARRAY( root->available_sizes, face->num_sbit_strikes ) ) + goto Exit; + + for ( n = 0 ; n < face->num_sbit_strikes ; n++ ) + { + FT_Bitmap_Size* bsize = root->available_sizes + n; + TT_SBit_Strike strike = face->sbit_strikes + n; + FT_UShort fupem = face->header.Units_Per_EM; + FT_Short height = (FT_Short)( face->horizontal.Ascender - + face->horizontal.Descender + + face->horizontal.Line_Gap ); + FT_Short avg = face->os2.xAvgCharWidth; + + + /* assume 72dpi */ + bsize->height = + (FT_Short)( ( height * strike->y_ppem + fupem/2 ) / fupem ); + bsize->width = + (FT_Short)( ( avg * strike->y_ppem + fupem/2 ) / fupem ); + bsize->size = strike->y_ppem << 6; + bsize->x_ppem = strike->x_ppem << 6; + bsize->y_ppem = strike->y_ppem << 6; + } + } + else + +#endif /* TT_CONFIG_OPTION_EMBEDDED_BITMAPS */ + + { + root->num_fixed_sizes = 0; + root->available_sizes = 0; + } + + /*********************************************************************/ + /* */ + /* Set up metrics. */ + /* */ + if ( has_outline == TRUE ) + { + /* XXX What about if outline header is missing */ + /* (e.g. sfnt wrapped bitmap)? */ + root->bbox.xMin = face->header.xMin; + root->bbox.yMin = face->header.yMin; + root->bbox.xMax = face->header.xMax; + root->bbox.yMax = face->header.yMax; + root->units_per_EM = face->header.Units_Per_EM; + + + /* XXX: Computing the ascender/descender/height is very different */ + /* from what the specification tells you. Apparently, we */ + /* must be careful because */ + /* */ + /* - not all fonts have an OS/2 table; in this case, we take */ + /* the values in the horizontal header. However, these */ + /* values very often are not reliable. */ + /* */ + /* - otherwise, the correct typographic values are in the */ + /* sTypoAscender, sTypoDescender & sTypoLineGap fields. */ + /* */ + /* However, certains fonts have these fields set to 0. */ + /* Rather, they have usWinAscent & usWinDescent correctly */ + /* set (but with different values). */ + /* */ + /* As an example, Arial Narrow is implemented through four */ + /* files ARIALN.TTF, ARIALNI.TTF, ARIALNB.TTF & ARIALNBI.TTF */ + /* */ + /* Strangely, all fonts have the same values in their */ + /* sTypoXXX fields, except ARIALNB which sets them to 0. */ + /* */ + /* On the other hand, they all have different */ + /* usWinAscent/Descent values -- as a conclusion, the OS/2 */ + /* table cannot be used to compute the text height reliably! */ + /* */ + + /* The ascender/descender/height are computed from the OS/2 table */ + /* when found. Otherwise, they're taken from the horizontal */ + /* header. */ + /* */ + + root->ascender = face->horizontal.Ascender; + root->descender = face->horizontal.Descender; + + root->height = (FT_Short)( root->ascender - root->descender + + face->horizontal.Line_Gap ); + +#if 0 + /* if the line_gap is 0, we add an extra 15% to the text height -- */ + /* this computation is based on various versions of Times New Roman */ + if ( face->horizontal.Line_Gap == 0 ) + root->height = (FT_Short)( ( root->height * 115 + 50 ) / 100 ); +#endif + +#if 0 + + /* some fonts have the OS/2 "sTypoAscender", "sTypoDescender" & */ + /* "sTypoLineGap" fields set to 0, like ARIALNB.TTF */ + if ( face->os2.version != 0xFFFFU && root->ascender ) + { + FT_Int height; + + + root->ascender = face->os2.sTypoAscender; + root->descender = -face->os2.sTypoDescender; + + height = root->ascender + root->descender + face->os2.sTypoLineGap; + if ( height > root->height ) + root->height = height; + } + +#endif /* 0 */ + + root->max_advance_width = face->horizontal.advance_Width_Max; + + root->max_advance_height = (FT_Short)( face->vertical_info + ? face->vertical.advance_Height_Max + : root->height ); + + root->underline_position = face->postscript.underlinePosition; + root->underline_thickness = face->postscript.underlineThickness; + + /* root->max_points -- already set up */ + /* root->max_contours -- already set up */ + } + } + + Exit: + return error; + } + + +#undef LOAD_ + + + FT_LOCAL_DEF( void ) + sfnt_done_face( TT_Face face ) + { + FT_Memory memory = face->root.memory; + SFNT_Service sfnt = (SFNT_Service)face->sfnt; + + + if ( sfnt ) + { + /* destroy the postscript names table if it is loaded */ + if ( sfnt->free_psnames ) + sfnt->free_psnames( face ); + + /* destroy the embedded bitmaps table if it is loaded */ + if ( sfnt->free_sbits ) + sfnt->free_sbits( face ); + } + + /* freeing the kerning table */ + FT_FREE( face->kern_pairs ); + face->num_kern_pairs = 0; + + /* freeing the collection table */ + FT_FREE( face->ttc_header.offsets ); + face->ttc_header.count = 0; + + /* freeing table directory */ + FT_FREE( face->dir_tables ); + face->num_tables = 0; + + { + FT_Stream stream = FT_FACE_STREAM( face ); + + + /* simply release the 'cmap' table frame */ + FT_FRAME_RELEASE( face->cmap_table ); + face->cmap_size = 0; + } + + /* freeing the horizontal metrics */ + FT_FREE( face->horizontal.long_metrics ); + FT_FREE( face->horizontal.short_metrics ); + + /* freeing the vertical ones, if any */ + if ( face->vertical_info ) + { + FT_FREE( face->vertical.long_metrics ); + FT_FREE( face->vertical.short_metrics ); + face->vertical_info = 0; + } + + /* freeing the gasp table */ + FT_FREE( face->gasp.gaspRanges ); + face->gasp.numRanges = 0; + + /* freeing the name table */ + sfnt->free_names( face ); + + /* freeing the hdmx table */ + sfnt->free_hdmx( face ); + + /* freeing family and style name */ + FT_FREE( face->root.family_name ); + FT_FREE( face->root.style_name ); + + /* freeing sbit size table */ + FT_FREE( face->root.available_sizes ); + face->root.num_fixed_sizes = 0; + + FT_FREE( face->postscript_name ); + + face->sfnt = 0; + } + + +/* END */ |