Aric Stewart : gdi32: Load the vertical feature when loading the GSUB table .
Module: wine Branch: master Commit: accad0957c18da3afa1406ffcd8969436ce1c86e URL: http://source.winehq.org/git/wine.git/?a=commit;h=accad0957c18da3afa1406ffcd... Author: Aric Stewart <aric(a)codeweavers.com> Date: Mon May 20 11:24:21 2013 -0500 gdi32: Load the vertical feature when loading the GSUB table. --- dlls/gdi32/freetype.c | 257 +++++++++++++++++++++++++++---------------------- 1 files changed, 140 insertions(+), 117 deletions(-) diff --git a/dlls/gdi32/freetype.c b/dlls/gdi32/freetype.c index ea13c37..b0a124f 100644 --- a/dlls/gdi32/freetype.c +++ b/dlls/gdi32/freetype.c @@ -354,6 +354,7 @@ struct tagGdiFont { FONTSIGNATURE fs; GdiFont *base_font; VOID *GSUB_Table; + const VOID *vert_feature; DWORD cache_num; }; @@ -4692,6 +4693,137 @@ done: return ret; } +static const GSUB_Script* GSUB_get_script_table( const GSUB_Header* header, const char* tag) +{ + const GSUB_ScriptList *script; + const GSUB_Script *deflt = NULL; + int i; + script = (const GSUB_ScriptList*)((const BYTE*)header + GET_BE_WORD(header->ScriptList)); + + TRACE("%i scripts in this font\n",GET_BE_WORD(script->ScriptCount)); + for (i = 0; i < GET_BE_WORD(script->ScriptCount); i++) + { + const GSUB_Script *scr; + int offset; + + offset = GET_BE_WORD(script->ScriptRecord[i].Script); + scr = (const GSUB_Script*)((const BYTE*)script + offset); + + if (strncmp(script->ScriptRecord[i].ScriptTag, tag,4)==0) + return scr; + if (strncmp(script->ScriptRecord[i].ScriptTag, "dflt",4)==0) + deflt = scr; + } + return deflt; +} + +static const GSUB_LangSys* GSUB_get_lang_table( const GSUB_Script* script, const char* tag) +{ + int i; + int offset; + const GSUB_LangSys *Lang; + + TRACE("Deflang %x, LangCount %i\n",GET_BE_WORD(script->DefaultLangSys), GET_BE_WORD(script->LangSysCount)); + + for (i = 0; i < GET_BE_WORD(script->LangSysCount) ; i++) + { + offset = GET_BE_WORD(script->LangSysRecord[i].LangSys); + Lang = (const GSUB_LangSys*)((const BYTE*)script + offset); + + if ( strncmp(script->LangSysRecord[i].LangSysTag,tag,4)==0) + return Lang; + } + offset = GET_BE_WORD(script->DefaultLangSys); + if (offset) + { + Lang = (const GSUB_LangSys*)((const BYTE*)script + offset); + return Lang; + } + return NULL; +} + +static const GSUB_Feature * GSUB_get_feature(const GSUB_Header *header, const GSUB_LangSys *lang, const char* tag) +{ + int i; + const GSUB_FeatureList *feature; + feature = (const GSUB_FeatureList*)((const BYTE*)header + GET_BE_WORD(header->FeatureList)); + + TRACE("%i features\n",GET_BE_WORD(lang->FeatureCount)); + for (i = 0; i < GET_BE_WORD(lang->FeatureCount); i++) + { + int index = GET_BE_WORD(lang->FeatureIndex[i]); + if (strncmp(feature->FeatureRecord[index].FeatureTag,tag,4)==0) + { + const GSUB_Feature *feat; + feat = (const GSUB_Feature*)((const BYTE*)feature + GET_BE_WORD(feature->FeatureRecord[index].Feature)); + return feat; + } + } + return NULL; +} + +static const char* get_opentype_script(const GdiFont *font) +{ + /* + * I am not sure if this is the correct way to generate our script tag + */ + + switch (font->charset) + { + case ANSI_CHARSET: return "latn"; + case BALTIC_CHARSET: return "latn"; /* ?? */ + case CHINESEBIG5_CHARSET: return "hani"; + case EASTEUROPE_CHARSET: return "latn"; /* ?? */ + case GB2312_CHARSET: return "hani"; + case GREEK_CHARSET: return "grek"; + case HANGUL_CHARSET: return "hang"; + case RUSSIAN_CHARSET: return "cyrl"; + case SHIFTJIS_CHARSET: return "kana"; + case TURKISH_CHARSET: return "latn"; /* ?? */ + case VIETNAMESE_CHARSET: return "latn"; + case JOHAB_CHARSET: return "latn"; /* ?? */ + case ARABIC_CHARSET: return "arab"; + case HEBREW_CHARSET: return "hebr"; + case THAI_CHARSET: return "thai"; + default: return "latn"; + } +} + +static const VOID * get_GSUB_vert_feature(const GdiFont *font) +{ + const GSUB_Header *header; + const GSUB_Script *script; + const GSUB_LangSys *language; + const GSUB_Feature *feature; + + if (!font->GSUB_Table) + return NULL; + + header = font->GSUB_Table; + + script = GSUB_get_script_table(header, get_opentype_script(font)); + if (!script) + { + TRACE("Script not found\n"); + return NULL; + } + language = GSUB_get_lang_table(script, "xxxx"); /* Need to get Lang tag */ + if (!language) + { + TRACE("Language not found\n"); + return NULL; + } + feature = GSUB_get_feature(header, language, "vrt2"); + if (!feature) + feature = GSUB_get_feature(header, language, "vert"); + if (!feature) + { + TRACE("vrt2/vert feature not found\n"); + return NULL; + } + return feature; +} + /************************************************************* * freetype_SelectFont */ @@ -5104,6 +5236,13 @@ found_face: ret->GSUB_Table = HeapAlloc(GetProcessHeap(),0,length); get_font_data(ret, GSUB_TAG , 0, ret->GSUB_Table, length); TRACE("Loaded GSUB table of %i bytes\n",length); + ret->vert_feature = get_GSUB_vert_feature(ret); + if (!ret->vert_feature) + { + TRACE("Vertical feature not found\n"); + HeapFree(GetProcessHeap(), 0, ret->GSUB_Table); + ret->GSUB_Table = NULL; + } } } ret->aa_flags = HIWORD( face->flags ); @@ -5563,75 +5702,6 @@ static INT GSUB_is_glyph_covered(LPCVOID table , UINT glyph) return -1; } -static const GSUB_Script* GSUB_get_script_table( const GSUB_Header* header, const char* tag) -{ - const GSUB_ScriptList *script; - const GSUB_Script *deflt = NULL; - int i; - script = (const GSUB_ScriptList*)((const BYTE*)header + GET_BE_WORD(header->ScriptList)); - - TRACE("%i scripts in this font\n",GET_BE_WORD(script->ScriptCount)); - for (i = 0; i < GET_BE_WORD(script->ScriptCount); i++) - { - const GSUB_Script *scr; - int offset; - - offset = GET_BE_WORD(script->ScriptRecord[i].Script); - scr = (const GSUB_Script*)((const BYTE*)script + offset); - - if (strncmp(script->ScriptRecord[i].ScriptTag, tag,4)==0) - return scr; - if (strncmp(script->ScriptRecord[i].ScriptTag, "dflt",4)==0) - deflt = scr; - } - return deflt; -} - -static const GSUB_LangSys* GSUB_get_lang_table( const GSUB_Script* script, const char* tag) -{ - int i; - int offset; - const GSUB_LangSys *Lang; - - TRACE("Deflang %x, LangCount %i\n",GET_BE_WORD(script->DefaultLangSys), GET_BE_WORD(script->LangSysCount)); - - for (i = 0; i < GET_BE_WORD(script->LangSysCount) ; i++) - { - offset = GET_BE_WORD(script->LangSysRecord[i].LangSys); - Lang = (const GSUB_LangSys*)((const BYTE*)script + offset); - - if ( strncmp(script->LangSysRecord[i].LangSysTag,tag,4)==0) - return Lang; - } - offset = GET_BE_WORD(script->DefaultLangSys); - if (offset) - { - Lang = (const GSUB_LangSys*)((const BYTE*)script + offset); - return Lang; - } - return NULL; -} - -static const GSUB_Feature * GSUB_get_feature(const GSUB_Header *header, const GSUB_LangSys *lang, const char* tag) -{ - int i; - const GSUB_FeatureList *feature; - feature = (const GSUB_FeatureList*)((const BYTE*)header + GET_BE_WORD(header->FeatureList)); - - TRACE("%i features\n",GET_BE_WORD(lang->FeatureCount)); - for (i = 0; i < GET_BE_WORD(lang->FeatureCount); i++) - { - int index = GET_BE_WORD(lang->FeatureIndex[i]); - if (strncmp(feature->FeatureRecord[index].FeatureTag,tag,4)==0) - { - const GSUB_Feature *feat; - feat = (const GSUB_Feature*)((const BYTE*)feature + GET_BE_WORD(feature->FeatureRecord[index].Feature)); - return feat; - } - } - return NULL; -} - static FT_UInt GSUB_apply_feature(const GSUB_Header * header, const GSUB_Feature* feature, UINT glyph) { int i; @@ -5692,65 +5762,18 @@ static FT_UInt GSUB_apply_feature(const GSUB_Header * header, const GSUB_Feature return glyph; } -static const char* get_opentype_script(const GdiFont *font) -{ - /* - * I am not sure if this is the correct way to generate our script tag - */ - - switch (font->charset) - { - case ANSI_CHARSET: return "latn"; - case BALTIC_CHARSET: return "latn"; /* ?? */ - case CHINESEBIG5_CHARSET: return "hani"; - case EASTEUROPE_CHARSET: return "latn"; /* ?? */ - case GB2312_CHARSET: return "hani"; - case GREEK_CHARSET: return "grek"; - case HANGUL_CHARSET: return "hang"; - case RUSSIAN_CHARSET: return "cyrl"; - case SHIFTJIS_CHARSET: return "kana"; - case TURKISH_CHARSET: return "latn"; /* ?? */ - case VIETNAMESE_CHARSET: return "latn"; - case JOHAB_CHARSET: return "latn"; /* ?? */ - case ARABIC_CHARSET: return "arab"; - case HEBREW_CHARSET: return "hebr"; - case THAI_CHARSET: return "thai"; - default: return "latn"; - } -} static FT_UInt get_GSUB_vert_glyph(const GdiFont *font, UINT glyph) { const GSUB_Header *header; - const GSUB_Script *script; - const GSUB_LangSys *language; const GSUB_Feature *feature; if (!font->GSUB_Table) return glyph; header = font->GSUB_Table; + feature = font->vert_feature; - script = GSUB_get_script_table(header, get_opentype_script(font)); - if (!script) - { - TRACE("Script not found\n"); - return glyph; - } - language = GSUB_get_lang_table(script, "xxxx"); /* Need to get Lang tag */ - if (!language) - { - TRACE("Language not found\n"); - return glyph; - } - feature = GSUB_get_feature(header, language, "vrt2"); - if (!feature) - feature = GSUB_get_feature(header, language, "vert"); - if (!feature) - { - TRACE("vrt2/vert feature not found\n"); - return glyph; - } return GSUB_apply_feature(header, feature, glyph); }
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Alexandre Julliard