/***************************************************************************//* *//* 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; }Lines 1–500 of 829. 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/***************************************************************************/ /* */ /* 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; }