| /***************************************************************************/ |
| /* */ |
| /* sfobjs.c */ |
| /* */ |
| /* SFNT object management (base). */ |
| /* */ |
| /* Copyright 1996-2001, 2002 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_INTERNAL_POSTSCRIPT_NAMES_H |
| #include FT_TRUETYPE_IDS_H |
| #include FT_TRUETYPE_TAGS_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; |
| |
| 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: |
| 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 */ |
| /* */ |
| convert = NULL; |
| if ( found_win >= 0 ) |
| { |
| 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; |
| FT_Stream stream = face->name_table.stream; |
| |
| |
| if ( FT_NEW_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_MS_SJIS }, |
| { TT_PLATFORM_MICROSOFT, TT_MS_ID_GB2312, FT_ENCODING_MS_GB2312 }, |
| { TT_PLATFORM_MICROSOFT, TT_MS_ID_BIG_5, FT_ENCODING_MS_BIG5 }, |
| { TT_PLATFORM_MICROSOFT, TT_MS_ID_WANSUNG, FT_ENCODING_MS_WANSUNG }, |
| { TT_PLATFORM_MICROSOFT, TT_MS_ID_JOHAB, FT_ENCODING_MS_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; |
| } |
| |
| if ( !face->psnames ) |
| { |
| face->psnames = (PSNames_Service) |
| FT_Get_Module_Interface( library, "psnames" ); |
| } |
| |
| /* 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; |
| 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 ); |
| (void)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 |
| /* might need more polish to detect the presence of a Postscript */ |
| /* name table in the font */ |
| 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; |
| |
| root->face_flags = flags; |
| |
| /*********************************************************************/ |
| /* */ |
| /* Compute style flags. */ |
| /* */ |
| flags = 0; |
| if ( has_outline == TRUE && face->os2.version != 0xFFFF ) |
| { |
| /* 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 = 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++ ) |
| { |
| root->available_sizes[n].width = |
| face->sbit_strikes[n].x_ppem; |
| |
| root->available_sizes[n].height = |
| face->sbit_strikes[n].y_ppem; |
| } |
| } |
| 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 outline)? */ |
| 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 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 ); |
| |
| #if 0 |
| |
| /* some fonts have the OS/2 "sTypoAscender", "sTypoDescender" & */ |
| /* "sTypoLineGap" fields set to 0, like ARIALNB.TTF */ |
| if ( face->os2.version != 0xFFFF && 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 */ |
| face->root.num_fixed_sizes = 0; |
| if ( face->root.available_sizes ) |
| FT_FREE( face->root.available_sizes ); |
| |
| face->sfnt = 0; |
| } |
| |
| |
| /* END */ |
