diff options
Diffstat (limited to 'freetype/src/sfnt/ttcmap.c')
| -rw-r--r-- | freetype/src/sfnt/ttcmap.c | 333 |
1 files changed, 189 insertions, 144 deletions
diff --git a/freetype/src/sfnt/ttcmap.c b/freetype/src/sfnt/ttcmap.c index c8d4818a9..07cf12550 100644 --- a/freetype/src/sfnt/ttcmap.c +++ b/freetype/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 by */ /* David Turner, Robert Wilhelm, and Werner Lemberg. */ /* */ /* This file is part of the FreeType project, and may only be used, */ @@ -165,20 +165,24 @@ } - 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 */ @@ -541,20 +545,24 @@ } - 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 */ @@ -1377,19 +1385,23 @@ } - 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 */ @@ -1536,20 +1548,24 @@ } - 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 */ @@ -1789,20 +1805,24 @@ } - 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 */ @@ -1938,20 +1958,24 @@ } - 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 */ @@ -2258,20 +2282,24 @@ } - 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 */ @@ -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 ) @@ -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 ) { @@ -2574,20 +2601,24 @@ } - 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 = SFNT_Err_Ok; if ( num_results > cmap->max_results ) @@ -2713,9 +2744,9 @@ 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; } @@ -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 ) ) @@ -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 */ @@ -3333,43 +3365,55 @@ 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" @@ -3411,10 +3455,12 @@ } 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; @@ -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 ) ) |