diff options
Diffstat (limited to 'src/sfnt/ttcmap.c')
| -rw-r--r-- | src/sfnt/ttcmap.c | 389 |
1 files changed, 217 insertions, 172 deletions
diff --git a/src/sfnt/ttcmap.c b/src/sfnt/ttcmap.c index 1dfd987..1507202 100644 --- a/src/sfnt/ttcmap.c +++ b/src/sfnt/ttcmap.c @@ -4,7 +4,7 @@ /* */ /* TrueType character mapping table (cmap) support (body). */ /* */ -/* Copyright 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010 by */ +/* Copyright 2002-2010, 2012, 2013 by */ /* David Turner, Robert Wilhelm, and Werner Lemberg. */ /* */ /* This file is part of the FreeType project, and may only be used, */ @@ -56,7 +56,7 @@ FT_Byte* table ) { cmap->data = table; - return SFNT_Err_Ok; + return FT_Err_Ok; } @@ -110,7 +110,7 @@ } } - return SFNT_Err_Ok; + return FT_Err_Ok; } @@ -161,24 +161,28 @@ cmap_info->format = 0; cmap_info->language = (FT_ULong)TT_PEEK_USHORT( p ); - return SFNT_Err_Ok; + return FT_Err_Ok; } - FT_DEFINE_TT_CMAP(tt_cmap0_class_rec, - sizeof ( TT_CMapRec ), + FT_DEFINE_TT_CMAP( + tt_cmap0_class_rec, + sizeof ( TT_CMapRec ), - (FT_CMap_InitFunc) tt_cmap_init, - (FT_CMap_DoneFunc) NULL, - (FT_CMap_CharIndexFunc)tt_cmap0_char_index, - (FT_CMap_CharNextFunc) tt_cmap0_char_next, + (FT_CMap_InitFunc) tt_cmap_init, + (FT_CMap_DoneFunc) NULL, + (FT_CMap_CharIndexFunc)tt_cmap0_char_index, + (FT_CMap_CharNextFunc) tt_cmap0_char_next, + + NULL, + NULL, + NULL, + NULL, + NULL, - NULL, NULL, NULL, NULL, NULL - , 0, - (TT_CMap_ValidateFunc) tt_cmap0_validate, - (TT_CMap_Info_GetFunc) tt_cmap0_get_info - ) + (TT_CMap_ValidateFunc)tt_cmap0_validate, + (TT_CMap_Info_GetFunc)tt_cmap0_get_info ) #endif /* TT_CONFIG_CMAP_FORMAT_0 */ @@ -365,7 +369,7 @@ } } - return SFNT_Err_Ok; + return FT_Err_Ok; } @@ -537,24 +541,28 @@ cmap_info->format = 2; cmap_info->language = (FT_ULong)TT_PEEK_USHORT( p ); - return SFNT_Err_Ok; + return FT_Err_Ok; } - FT_DEFINE_TT_CMAP(tt_cmap2_class_rec, - sizeof ( TT_CMapRec ), + FT_DEFINE_TT_CMAP( + tt_cmap2_class_rec, + sizeof ( TT_CMapRec ), - (FT_CMap_InitFunc) tt_cmap_init, - (FT_CMap_DoneFunc) NULL, - (FT_CMap_CharIndexFunc)tt_cmap2_char_index, - (FT_CMap_CharNextFunc) tt_cmap2_char_next, + (FT_CMap_InitFunc) tt_cmap_init, + (FT_CMap_DoneFunc) NULL, + (FT_CMap_CharIndexFunc)tt_cmap2_char_index, + (FT_CMap_CharNextFunc) tt_cmap2_char_next, + + NULL, + NULL, + NULL, + NULL, + NULL, - NULL, NULL, NULL, NULL, NULL - , 2, - (TT_CMap_ValidateFunc) tt_cmap2_validate, - (TT_CMap_Info_GetFunc) tt_cmap2_get_info - ) + (TT_CMap_ValidateFunc)tt_cmap2_validate, + (TT_CMap_Info_GetFunc)tt_cmap2_get_info ) #endif /* TT_CONFIG_CMAP_FORMAT_2 */ @@ -662,7 +670,7 @@ cmap->cur_charcode = (FT_UInt32)0xFFFFFFFFUL; cmap->cur_gindex = 0; - return SFNT_Err_Ok; + return FT_Err_Ok; } @@ -812,7 +820,7 @@ FT_UInt length = TT_NEXT_USHORT( p ); FT_Byte *ends, *starts, *offsets, *deltas, *glyph_ids; FT_UInt num_segs; - FT_Error error = SFNT_Err_Ok; + FT_Error error = FT_Err_Ok; if ( length < 16 ) @@ -1373,23 +1381,27 @@ cmap_info->format = 4; cmap_info->language = (FT_ULong)TT_PEEK_USHORT( p ); - return SFNT_Err_Ok; + return FT_Err_Ok; } - FT_DEFINE_TT_CMAP(tt_cmap4_class_rec, - sizeof ( TT_CMap4Rec ), - (FT_CMap_InitFunc) tt_cmap4_init, - (FT_CMap_DoneFunc) NULL, - (FT_CMap_CharIndexFunc)tt_cmap4_char_index, - (FT_CMap_CharNextFunc) tt_cmap4_char_next, + FT_DEFINE_TT_CMAP( + tt_cmap4_class_rec, + sizeof ( TT_CMap4Rec ), + (FT_CMap_InitFunc) tt_cmap4_init, + (FT_CMap_DoneFunc) NULL, + (FT_CMap_CharIndexFunc)tt_cmap4_char_index, + (FT_CMap_CharNextFunc) tt_cmap4_char_next, + + NULL, + NULL, + NULL, + NULL, + NULL, - NULL, NULL, NULL, NULL, NULL - , 4, - (TT_CMap_ValidateFunc) tt_cmap4_validate, - (TT_CMap_Info_GetFunc) tt_cmap4_get_info - ) + (TT_CMap_ValidateFunc)tt_cmap4_validate, + (TT_CMap_Info_GetFunc)tt_cmap4_get_info ) #endif /* TT_CONFIG_CMAP_FORMAT_4 */ @@ -1456,7 +1468,7 @@ } } - return SFNT_Err_Ok; + return FT_Err_Ok; } @@ -1532,24 +1544,28 @@ cmap_info->format = 6; cmap_info->language = (FT_ULong)TT_PEEK_USHORT( p ); - return SFNT_Err_Ok; + return FT_Err_Ok; } - FT_DEFINE_TT_CMAP(tt_cmap6_class_rec, - sizeof ( TT_CMapRec ), + FT_DEFINE_TT_CMAP( + tt_cmap6_class_rec, + sizeof ( TT_CMapRec ), - (FT_CMap_InitFunc) tt_cmap_init, - (FT_CMap_DoneFunc) NULL, - (FT_CMap_CharIndexFunc)tt_cmap6_char_index, - (FT_CMap_CharNextFunc) tt_cmap6_char_next, + (FT_CMap_InitFunc) tt_cmap_init, + (FT_CMap_DoneFunc) NULL, + (FT_CMap_CharIndexFunc)tt_cmap6_char_index, + (FT_CMap_CharNextFunc) tt_cmap6_char_next, + + NULL, + NULL, + NULL, + NULL, + NULL, - NULL, NULL, NULL, NULL, NULL - , 6, - (TT_CMap_ValidateFunc) tt_cmap6_validate, - (TT_CMap_Info_GetFunc) tt_cmap6_get_info - ) + (TT_CMap_ValidateFunc)tt_cmap6_validate, + (TT_CMap_Info_GetFunc)tt_cmap6_get_info ) #endif /* TT_CONFIG_CMAP_FORMAT_6 */ @@ -1700,7 +1716,7 @@ } } - return SFNT_Err_Ok; + return FT_Err_Ok; } @@ -1785,24 +1801,28 @@ cmap_info->format = 8; cmap_info->language = (FT_ULong)TT_PEEK_ULONG( p ); - return SFNT_Err_Ok; + return FT_Err_Ok; } - FT_DEFINE_TT_CMAP(tt_cmap8_class_rec, - sizeof ( TT_CMapRec ), + FT_DEFINE_TT_CMAP( + tt_cmap8_class_rec, + sizeof ( TT_CMapRec ), - (FT_CMap_InitFunc) tt_cmap_init, - (FT_CMap_DoneFunc) NULL, - (FT_CMap_CharIndexFunc)tt_cmap8_char_index, - (FT_CMap_CharNextFunc) tt_cmap8_char_next, + (FT_CMap_InitFunc) tt_cmap_init, + (FT_CMap_DoneFunc) NULL, + (FT_CMap_CharIndexFunc)tt_cmap8_char_index, + (FT_CMap_CharNextFunc) tt_cmap8_char_next, + + NULL, + NULL, + NULL, + NULL, + NULL, - NULL, NULL, NULL, NULL, NULL - , 8, - (TT_CMap_ValidateFunc) tt_cmap8_validate, - (TT_CMap_Info_GetFunc) tt_cmap8_get_info - ) + (TT_CMap_ValidateFunc)tt_cmap8_validate, + (TT_CMap_Info_GetFunc)tt_cmap8_get_info ) #endif /* TT_CONFIG_CMAP_FORMAT_8 */ @@ -1867,7 +1887,7 @@ } } - return SFNT_Err_Ok; + return FT_Err_Ok; } @@ -1934,24 +1954,28 @@ cmap_info->format = 10; cmap_info->language = (FT_ULong)TT_PEEK_ULONG( p ); - return SFNT_Err_Ok; + return FT_Err_Ok; } - FT_DEFINE_TT_CMAP(tt_cmap10_class_rec, - sizeof ( TT_CMapRec ), + FT_DEFINE_TT_CMAP( + tt_cmap10_class_rec, + sizeof ( TT_CMapRec ), + + (FT_CMap_InitFunc) tt_cmap_init, + (FT_CMap_DoneFunc) NULL, + (FT_CMap_CharIndexFunc)tt_cmap10_char_index, + (FT_CMap_CharNextFunc) tt_cmap10_char_next, - (FT_CMap_InitFunc) tt_cmap_init, - (FT_CMap_DoneFunc) NULL, - (FT_CMap_CharIndexFunc)tt_cmap10_char_index, - (FT_CMap_CharNextFunc) tt_cmap10_char_next, + NULL, + NULL, + NULL, + NULL, + NULL, - NULL, NULL, NULL, NULL, NULL - , 10, - (TT_CMap_ValidateFunc) tt_cmap10_validate, - (TT_CMap_Info_GetFunc) tt_cmap10_get_info - ) + (TT_CMap_ValidateFunc)tt_cmap10_validate, + (TT_CMap_Info_GetFunc)tt_cmap10_get_info ) #endif /* TT_CONFIG_CMAP_FORMAT_10 */ @@ -2010,7 +2034,7 @@ cmap->valid = 0; - return SFNT_Err_Ok; + return FT_Err_Ok; } @@ -2063,7 +2087,7 @@ } } - return SFNT_Err_Ok; + return FT_Err_Ok; } @@ -2254,24 +2278,28 @@ cmap_info->format = 12; cmap_info->language = (FT_ULong)TT_PEEK_ULONG( p ); - return SFNT_Err_Ok; + return FT_Err_Ok; } - FT_DEFINE_TT_CMAP(tt_cmap12_class_rec, - sizeof ( TT_CMap12Rec ), + FT_DEFINE_TT_CMAP( + tt_cmap12_class_rec, + sizeof ( TT_CMap12Rec ), + + (FT_CMap_InitFunc) tt_cmap12_init, + (FT_CMap_DoneFunc) NULL, + (FT_CMap_CharIndexFunc)tt_cmap12_char_index, + (FT_CMap_CharNextFunc) tt_cmap12_char_next, - (FT_CMap_InitFunc) tt_cmap12_init, - (FT_CMap_DoneFunc) NULL, - (FT_CMap_CharIndexFunc)tt_cmap12_char_index, - (FT_CMap_CharNextFunc) tt_cmap12_char_next, + NULL, + NULL, + NULL, + NULL, + NULL, - NULL, NULL, NULL, NULL, NULL - , 12, - (TT_CMap_ValidateFunc) tt_cmap12_validate, - (TT_CMap_Info_GetFunc) tt_cmap12_get_info - ) + (TT_CMap_ValidateFunc)tt_cmap12_validate, + (TT_CMap_Info_GetFunc)tt_cmap12_get_info ) #endif /* TT_CONFIG_CMAP_FORMAT_12 */ @@ -2330,7 +2358,7 @@ cmap->valid = 0; - return SFNT_Err_Ok; + return FT_Err_Ok; } @@ -2338,9 +2366,9 @@ tt_cmap13_validate( FT_Byte* table, FT_Validator valid ) { - FT_Byte* p; - FT_ULong length; - FT_ULong num_groups; + FT_Byte* p; + FT_ULong length; + FT_ULong num_groups; if ( table + 16 > valid->limit ) @@ -2383,7 +2411,7 @@ } } - return SFNT_Err_Ok; + return FT_Err_Ok; } @@ -2490,7 +2518,6 @@ /* if `char_code' is not in any group, then `mid' is */ /* the group nearest to `char_code' */ - /* */ if ( char_code > end ) { @@ -2570,24 +2597,28 @@ cmap_info->format = 13; cmap_info->language = (FT_ULong)TT_PEEK_ULONG( p ); - return SFNT_Err_Ok; + return FT_Err_Ok; } - FT_DEFINE_TT_CMAP(tt_cmap13_class_rec, - sizeof ( TT_CMap13Rec ), + FT_DEFINE_TT_CMAP( + tt_cmap13_class_rec, + sizeof ( TT_CMap13Rec ), - (FT_CMap_InitFunc) tt_cmap13_init, - (FT_CMap_DoneFunc) NULL, - (FT_CMap_CharIndexFunc)tt_cmap13_char_index, - (FT_CMap_CharNextFunc) tt_cmap13_char_next, + (FT_CMap_InitFunc) tt_cmap13_init, + (FT_CMap_DoneFunc) NULL, + (FT_CMap_CharIndexFunc)tt_cmap13_char_index, + (FT_CMap_CharNextFunc) tt_cmap13_char_next, + + NULL, + NULL, + NULL, + NULL, + NULL, - NULL, NULL, NULL, NULL, NULL - , 13, - (TT_CMap_ValidateFunc) tt_cmap13_validate, - (TT_CMap_Info_GetFunc) tt_cmap13_get_info - ) + (TT_CMap_ValidateFunc)tt_cmap13_validate, + (TT_CMap_Info_GetFunc)tt_cmap13_get_info ) #endif /* TT_CONFIG_CMAP_FORMAT_13 */ @@ -2688,8 +2719,8 @@ FT_UInt32 num_results, FT_Memory memory ) { - FT_UInt32 old_max = cmap->max_results; - FT_Error error = SFNT_Err_Ok; + FT_UInt32 old_max = cmap->max_results; + FT_Error error = FT_Err_Ok; if ( num_results > cmap->max_results ) @@ -2713,11 +2744,11 @@ cmap->cmap.data = table; table += 6; - cmap->num_selectors = FT_PEEK_ULONG( table ); - cmap->max_results = 0; - cmap->results = NULL; + cmap->num_selectors = FT_PEEK_ULONG( table ); + cmap->max_results = 0; + cmap->results = NULL; - return SFNT_Err_Ok; + return FT_Err_Ok; } @@ -2791,7 +2822,7 @@ { FT_Byte* ndp = table + nondefOff; FT_ULong numMappings = TT_NEXT_ULONG( ndp ); - FT_ULong i, lastUni = 0; + FT_ULong i, lastUni = 0; if ( numMappings * 4 > (FT_ULong)( valid->limit - ndp ) ) @@ -2819,7 +2850,7 @@ } } - return SFNT_Err_Ok; + return FT_Err_Ok; } @@ -2857,7 +2888,7 @@ /* subtable 14 does not define a language field */ cmap_info->language = 0xFFFFFFFFUL; - return SFNT_Err_Ok; + return FT_Err_Ok; } @@ -2965,7 +2996,7 @@ tt_cmap14_char_var_index( TT_CMap cmap, TT_CMap ucmap, FT_UInt32 charcode, - FT_UInt32 variantSelector) + FT_UInt32 variantSelector ) { FT_Byte* p = tt_cmap14_find_variant( cmap->data + 6, variantSelector ); FT_ULong defOff; @@ -3106,9 +3137,9 @@ static FT_UInt32* - tt_cmap14_get_def_chars( TT_CMap cmap, - FT_Byte* p, - FT_Memory memory ) + tt_cmap14_get_def_chars( TT_CMap cmap, + FT_Byte* p, + FT_Memory memory ) { TT_CMap14 cmap14 = (TT_CMap14) cmap; FT_UInt32 numRanges; @@ -3124,7 +3155,7 @@ for ( q = cmap14->results; numRanges > 0; --numRanges ) { - FT_UInt32 uni = (FT_UInt32)TT_NEXT_UINT24( p ); + FT_UInt32 uni = (FT_UInt32)TT_NEXT_UINT24( p ); cnt = FT_NEXT_BYTE( p ) + 1; @@ -3133,6 +3164,7 @@ q[0] = uni; uni += 1; q += 1; + } while ( --cnt != 0 ); } q[0] = 0; @@ -3306,25 +3338,25 @@ } - FT_DEFINE_TT_CMAP(tt_cmap14_class_rec, - sizeof ( TT_CMap14Rec ), + FT_DEFINE_TT_CMAP( + tt_cmap14_class_rec, + sizeof ( TT_CMap14Rec ), - (FT_CMap_InitFunc) tt_cmap14_init, - (FT_CMap_DoneFunc) tt_cmap14_done, - (FT_CMap_CharIndexFunc)tt_cmap14_char_index, - (FT_CMap_CharNextFunc) tt_cmap14_char_next, + (FT_CMap_InitFunc) tt_cmap14_init, + (FT_CMap_DoneFunc) tt_cmap14_done, + (FT_CMap_CharIndexFunc)tt_cmap14_char_index, + (FT_CMap_CharNextFunc) tt_cmap14_char_next, + + /* Format 14 extension functions */ + (FT_CMap_CharVarIndexFunc) tt_cmap14_char_var_index, + (FT_CMap_CharVarIsDefaultFunc)tt_cmap14_char_var_isdefault, + (FT_CMap_VariantListFunc) tt_cmap14_variants, + (FT_CMap_CharVariantListFunc) tt_cmap14_char_variants, + (FT_CMap_VariantCharListFunc) tt_cmap14_variant_chars, - /* Format 14 extension functions */ - (FT_CMap_CharVarIndexFunc) tt_cmap14_char_var_index, - (FT_CMap_CharVarIsDefaultFunc)tt_cmap14_char_var_isdefault, - (FT_CMap_VariantListFunc) tt_cmap14_variants, - (FT_CMap_CharVariantListFunc) tt_cmap14_char_variants, - (FT_CMap_VariantCharListFunc) tt_cmap14_variant_chars - , 14, (TT_CMap_ValidateFunc)tt_cmap14_validate, - (TT_CMap_Info_GetFunc)tt_cmap14_get_info - ) + (TT_CMap_Info_GetFunc)tt_cmap14_get_info ) #endif /* TT_CONFIG_CMAP_FORMAT_14 */ @@ -3333,50 +3365,62 @@ static const TT_CMap_Class tt_cmap_classes[] = { -#define TTCMAPCITEM(a) &a, +#define TTCMAPCITEM( a ) &a, #include "ttcmapc.h" NULL, }; #else /*FT_CONFIG_OPTION_PIC*/ - void FT_Destroy_Class_tt_cmap_classes(FT_Library library, TT_CMap_Class* clazz) + void + FT_Destroy_Class_tt_cmap_classes( FT_Library library, + TT_CMap_Class* clazz ) { - FT_Memory memory = library->memory; + FT_Memory memory = library->memory; + + if ( clazz ) FT_FREE( clazz ); } - FT_Error FT_Create_Class_tt_cmap_classes(FT_Library library, TT_CMap_Class** output_class) + + FT_Error + FT_Create_Class_tt_cmap_classes( FT_Library library, + TT_CMap_Class** output_class ) { - TT_CMap_Class* clazz; - TT_CMap_ClassRec* recs; - FT_Error error; - FT_Memory memory = library->memory; - int i = 0; + TT_CMap_Class* clazz = NULL; + TT_CMap_ClassRec* recs; + FT_Error error; + FT_Memory memory = library->memory; -#define TTCMAPCITEM(a) i++; + int i = 0; + + +#define TTCMAPCITEM( a ) i++; #include "ttcmapc.h" - /* allocate enough space for both the pointers +terminator and the class instances */ - if ( FT_ALLOC( clazz, sizeof(*clazz)*(i+1)+sizeof(TT_CMap_ClassRec)*i ) ) + /* allocate enough space for both the pointers */ + /* plus terminator and the class instances */ + if ( FT_ALLOC( clazz, sizeof ( *clazz ) * ( i + 1 ) + + sizeof ( TT_CMap_ClassRec ) * i ) ) return error; /* the location of the class instances follows the array of pointers */ - recs = (TT_CMap_ClassRec*) (((char*)clazz)+(sizeof(*clazz)*(i+1))); - i=0; + recs = (TT_CMap_ClassRec*)( (char*)clazz + + sizeof ( *clazz ) * ( i + 1 ) ); + i = 0; #undef TTCMAPCITEM -#define TTCMAPCITEM(a) \ - FT_Init_Class_##a(&recs[i]); \ - clazz[i] = &recs[i]; \ +#define TTCMAPCITEM( a ) \ + FT_Init_Class_ ## a( &recs[i] ); \ + clazz[i] = &recs[i]; \ i++; #include "ttcmapc.h" clazz[i] = NULL; *output_class = clazz; - return SFNT_Err_Ok; + return FT_Err_Ok; } #endif /*FT_CONFIG_OPTION_PIC*/ @@ -3398,7 +3442,7 @@ if ( !p || p + 4 > limit ) - return SFNT_Err_Invalid_Table; + return FT_THROW( Invalid_Table ); /* only recognize format 0 */ if ( TT_NEXT_USHORT( p ) != 0 ) @@ -3407,14 +3451,16 @@ FT_ERROR(( "tt_face_build_cmaps:" " unsupported `cmap' table format = %d\n", TT_PEEK_USHORT( p ) )); - return SFNT_Err_Invalid_Table; + return FT_THROW( Invalid_Table ); } num_cmaps = TT_NEXT_USHORT( p ); + #ifdef FT_MAX_CHARMAP_CACHEABLE if ( num_cmaps > FT_MAX_CHARMAP_CACHEABLE ) - FT_ERROR(( "tt_face_build_cmaps: too many cmap subtables(%d) " - "subtable#%d and later are loaded but cannot be searched\n", + FT_ERROR(( "tt_face_build_cmaps: too many cmap subtables (%d)\n" + " subtable #%d and higher are loaded" + " but cannot be searched\n", num_cmaps, FT_MAX_CHARMAP_CACHEABLE + 1 )); #endif @@ -3434,7 +3480,7 @@ { FT_Byte* volatile cmap = table + offset; volatile FT_UInt format = TT_PEEK_USHORT( cmap ); - const TT_CMap_Class* volatile pclazz = FT_TT_CMAP_CLASSES_GET; + const TT_CMap_Class* volatile pclazz = TT_CMAP_CLASSES_GET; TT_CMap_Class volatile clazz; @@ -3444,7 +3490,7 @@ if ( clazz->format == format ) { volatile TT_ValidatorRec valid; - volatile FT_Error error = SFNT_Err_Ok; + volatile FT_Error error = FT_Err_Ok; ft_validator_init( FT_VALIDATOR( &valid ), cmap, limit, @@ -3452,8 +3498,7 @@ valid.num_glyphs = (FT_UInt)face->max_profile.numGlyphs; - if ( ft_setjmp( - *((ft_jmp_buf*)&FT_VALIDATOR( &valid )->jump_buffer) ) == 0 ) + if ( ft_setjmp( FT_VALIDATOR( &valid )->jump_buffer) == 0 ) { /* validate this cmap sub-table */ error = clazz->validate( cmap, FT_VALIDATOR( &valid ) ); @@ -3464,9 +3509,9 @@ FT_CMap ttcmap; - /* It might make sense to store the single variation selector */ - /* cmap somewhere special. But it would have to be in the */ - /* public FT_FaceRec, and we can't change that. */ + /* It might make sense to store the single variation */ + /* selector cmap somewhere special. But it would have to be */ + /* in the public FT_FaceRec, and we can't change that. */ if ( !FT_CMap_New( (FT_CMap_Class)clazz, cmap, &charmap, &ttcmap ) ) @@ -3493,7 +3538,7 @@ } } - return SFNT_Err_Ok; + return FT_Err_Ok; } |