usp10: Change OpenType_GSUB_GetFontLangaugeTags to OpenType_GetFontLanguageTags and load languages from GPOS table as well.

oldstable
Aric Stewart 2012-07-16 07:23:42 -05:00 committed by Alexandre Julliard
parent e031293521
commit 2123f049d3
3 changed files with 82 additions and 19 deletions

View File

@ -992,7 +992,7 @@ static void GSUB_initialize_language_cache(LoadedScript *script)
{
int i;
if (!script->language_count && script->gsub_table)
if (script->gsub_table)
{
DWORD offset;
const OT_Script* table = script->gsub_table;
@ -1001,12 +1001,12 @@ static void GSUB_initialize_language_cache(LoadedScript *script)
if (offset)
{
script->default_language.tag = MS_MAKE_TAG('d','f','l','t');
script->default_language.table = (const BYTE*)table + offset;
script->default_language.gsub_table = (const BYTE*)table + offset;
}
if (script->language_count)
{
TRACE("Deflang %p, LangCount %i\n",script->default_language.table, script->language_count);
TRACE("Deflang %p, LangCount %i\n",script->default_language.gsub_table, script->language_count);
script->languages = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(LoadedLanguage) * script->language_count);
@ -1014,13 +1014,79 @@ static void GSUB_initialize_language_cache(LoadedScript *script)
{
int offset = GET_BE_WORD(table->LangSysRecord[i].LangSys);
script->languages[i].tag = MS_MAKE_TAG(table->LangSysRecord[i].LangSysTag[0], table->LangSysRecord[i].LangSysTag[1], table->LangSysRecord[i].LangSysTag[2], table->LangSysRecord[i].LangSysTag[3]);
script->languages[i].table = ((const BYTE*)table + offset);
script->languages[i].gsub_table = ((const BYTE*)table + offset);
}
}
}
}
HRESULT OpenType_GSUB_GetFontLanguageTags(ScriptCache *psc, OPENTYPE_TAG script_tag, OPENTYPE_TAG searchingFor, int cMaxTags, OPENTYPE_TAG *pLanguageTags, int *pcTags, LPCVOID* language_table)
static void GPOS_expand_language_cache(LoadedScript *script)
{
int count;
const OT_Script* table = script->gpos_table;
DWORD offset;
if (!table)
return;
offset = GET_BE_WORD(table->DefaultLangSys);
if (offset)
script->default_language.gpos_table = (const BYTE*)table + offset;
count = GET_BE_WORD(table->LangSysCount);
TRACE("Deflang %p, LangCount %i\n",script->default_language.gpos_table, count);
if (!script->language_count)
{
int i;
script->language_count = count;
script->languages = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(LoadedLanguage) * script->language_count);
for (i = 0; i < script->language_count; i++)
{
int offset = GET_BE_WORD(table->LangSysRecord[i].LangSys);
script->languages[i].tag = MS_MAKE_TAG(table->LangSysRecord[i].LangSysTag[0], table->LangSysRecord[i].LangSysTag[1], table->LangSysRecord[i].LangSysTag[2], table->LangSysRecord[i].LangSysTag[3]);
script->languages[i].gpos_table = ((const BYTE*)table + offset);
}
}
else if (count)
{
int i,j;
for (i = 0; i < count; i++)
{
int offset = GET_BE_WORD(table->LangSysRecord[i].LangSys);
OPENTYPE_TAG tag = MS_MAKE_TAG(table->LangSysRecord[i].LangSysTag[0], table->LangSysRecord[i].LangSysTag[1], table->LangSysRecord[i].LangSysTag[2], table->LangSysRecord[i].LangSysTag[3]);
for (j = 0; j < script->language_count; j++)
{
if (script->languages[j].tag == tag)
{
script->languages[j].gpos_table = ((const BYTE*)table + offset);
break;
}
}
if (j == script->language_count)
{
script->language_count++;
script->languages = HeapReAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,script->languages, sizeof(LoadedLanguage) * script->language_count);
script->languages[j].tag = tag;
script->languages[j].gpos_table = ((const BYTE*)table + offset);
}
}
}
}
static void _initialize_language_cache(LoadedScript *script)
{
if (!script->language_count)
{
GSUB_initialize_language_cache(script);
GPOS_expand_language_cache(script);
}
}
HRESULT OpenType_GetFontLanguageTags(ScriptCache *psc, OPENTYPE_TAG script_tag, OPENTYPE_TAG searchingFor, int cMaxTags, OPENTYPE_TAG *pLanguageTags, int *pcTags)
{
int i;
HRESULT rc = S_OK;
@ -1040,7 +1106,7 @@ HRESULT OpenType_GSUB_GetFontLanguageTags(ScriptCache *psc, OPENTYPE_TAG script_
if (!script)
return E_INVALIDARG;
GSUB_initialize_language_cache(script);
_initialize_language_cache(script);
if (!searchingFor && cMaxTags < script->language_count)
rc = E_OUTOFMEMORY;
@ -1060,15 +1126,13 @@ HRESULT OpenType_GSUB_GetFontLanguageTags(ScriptCache *psc, OPENTYPE_TAG script_
{
pLanguageTags[0] = script->languages[i].tag;
*pcTags = 1;
if (language_table)
*language_table = script->languages[i].table;
rc = S_OK;
break;
}
}
}
if (script->default_language.table)
if (script->default_language.gsub_table)
{
if (i < cMaxTags)
pLanguageTags[i] = script->default_language.tag;
@ -1076,8 +1140,6 @@ HRESULT OpenType_GSUB_GetFontLanguageTags(ScriptCache *psc, OPENTYPE_TAG script_
if (searchingFor && FAILED(rc))
{
pLanguageTags[0] = script->default_language.tag;
if (language_table)
*language_table = script->default_language.table;
}
i++;
*pcTags = (*pcTags) + 1;
@ -1091,9 +1153,9 @@ static void GSUB_initialize_feature_cache(LPCVOID table, LoadedLanguage *languag
{
int i;
if (!language->feature_count)
if (!language->feature_count && language->gsub_table)
{
const OT_LangSys *lang= language->table;
const OT_LangSys *lang = language->gsub_table;
const GSUB_Header *header = (const GSUB_Header *)table;
const OT_FeatureList *feature_list;
@ -1151,9 +1213,9 @@ HRESULT OpenType_GSUB_GetFontFeatureTags(ScriptCache *psc, OPENTYPE_TAG script_t
return E_INVALIDARG;
}
GSUB_initialize_language_cache(script);
_initialize_language_cache(script);
if (script->default_language.table && script->default_language.tag == language_tag)
if (script->default_language.gsub_table && script->default_language.tag == language_tag)
language = &script->default_language;
else
{

View File

@ -3264,11 +3264,11 @@ HRESULT SHAPE_GetFontLanguageTags( HDC hdc, ScriptCache *psc,
if (psa && psc->userLang != 0)
searching = psc->userLang;
hr = OpenType_GSUB_GetFontLanguageTags(psc, tagScript, searching, cMaxTags, pLangSysTags, pcTags, NULL);
hr = OpenType_GetFontLanguageTags(psc, tagScript, searching, cMaxTags, pLangSysTags, pcTags);
if (FAILED(hr))
{
fellback = TRUE;
hr = OpenType_GSUB_GetFontLanguageTags(psc, MS_MAKE_TAG('l','a','t','n'), searching, cMaxTags, pLangSysTags, pcTags, NULL);
hr = OpenType_GetFontLanguageTags(psc, MS_MAKE_TAG('l','a','t','n'), searching, cMaxTags, pLangSysTags, pcTags);
}
if (FAILED(hr) || fellback)

View File

@ -137,7 +137,8 @@ typedef struct {
typedef struct {
OPENTYPE_TAG tag;
LPCVOID table;
LPCVOID gsub_table;
LPCVOID gpos_table;
INT feature_count;
LoadedFeature *features;
} LoadedLanguage;
@ -236,5 +237,5 @@ DWORD OpenType_CMAP_GetGlyphIndex(HDC hdc, ScriptCache *psc, DWORD utf32c, LPWOR
void OpenType_GDEF_UpdateGlyphProps(HDC hdc, ScriptCache *psc, const WORD *pwGlyphs, const WORD cGlyphs, WORD* pwLogClust, const WORD cChars, SCRIPT_GLYPHPROP *pGlyphProp) DECLSPEC_HIDDEN;
INT OpenType_apply_GSUB_lookup(LPCVOID table, INT lookup_index, WORD *glyphs, INT glyph_index, INT write_dir, INT *glyph_count) DECLSPEC_HIDDEN;
HRESULT OpenType_GetFontScriptTags(ScriptCache *psc, OPENTYPE_TAG searchingFor, int cMaxTags, OPENTYPE_TAG *pScriptTags, int *pcTags) DECLSPEC_HIDDEN;
HRESULT OpenType_GSUB_GetFontLanguageTags(ScriptCache *psc, OPENTYPE_TAG script_tag, OPENTYPE_TAG searchingFor, int cMaxTags, OPENTYPE_TAG *pLanguageTags, int *pcTags, LPCVOID* language_table) DECLSPEC_HIDDEN;
HRESULT OpenType_GetFontLanguageTags(ScriptCache *psc, OPENTYPE_TAG script_tag, OPENTYPE_TAG searchingFor, int cMaxTags, OPENTYPE_TAG *pLanguageTags, int *pcTags) DECLSPEC_HIDDEN;
HRESULT OpenType_GSUB_GetFontFeatureTags(ScriptCache *psc, OPENTYPE_TAG script_tag, OPENTYPE_TAG language_tag, BOOL filtered, OPENTYPE_TAG searchingFor, int cMaxTags, OPENTYPE_TAG *pFeatureTags, int *pcTags, LoadedFeature** feature) DECLSPEC_HIDDEN;