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usp10: Implement ScriptGetFontLanguageTags.

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This commit is contained in:
Aric Stewart 2012-01-03 06:51:07 -06:00 committed by Alexandre Julliard
parent acaa258054
commit 0661d2d202
5 changed files with 176 additions and 4 deletions
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121
dlls/usp10/shape.c
View File

@ -3778,7 +3778,7 @@ static void GSUB_initialize_script_cache(ScriptCache *psc)
script = (const GSUB_ScriptList*)((const BYTE*)header + GET_BE_WORD(header->ScriptList));
psc->script_count = GET_BE_WORD(script->ScriptCount);
TRACE("initializing %i scripts in this font\n",psc->script_count);
psc->scripts = HeapAlloc(GetProcessHeap(),0,sizeof(LoadedScript) * psc->script_count);
psc->scripts = HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,sizeof(LoadedScript) * psc->script_count);
for (i = 0; i < psc->script_count; i++)
{
int offset = GET_BE_WORD(script->ScriptRecord[i].Script);
@ -3822,6 +3822,96 @@ static HRESULT GSUB_GetFontScriptTags(ScriptCache *psc, OPENTYPE_TAG searchingFo
return rc;
}
static void GSUB_initialize_language_cache(LoadedScript *script)
{
int i;
if (!script->language_count)
{
const GSUB_Script* table = script->table;
script->language_count = GET_BE_WORD(table->LangSysCount);
script->default_language.tag = MS_MAKE_TAG('d','f','l','t');
script->default_language.table = (const BYTE*)table + GET_BE_WORD(table->DefaultLangSys);
TRACE("Deflang %p, LangCount %i\n",script->default_language.table, script->language_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].table = ((const BYTE*)table + offset);
}
}
}
static HRESULT GSUB_GetFontLanguageTags(ScriptCache *psc, OPENTYPE_TAG script_tag, OPENTYPE_TAG searchingFor, int cMaxTags, OPENTYPE_TAG *pLanguageTags, int *pcTags, LPCVOID* language_table)
{
int i;
HRESULT rc = S_OK;
LoadedScript *script = NULL;
GSUB_initialize_script_cache(psc);
for (i = 0; i < psc->script_count; i++)
{
if (psc->scripts[i].tag == script_tag)
{
script = &psc->scripts[i];
break;
}
}
if (!script)
return E_INVALIDARG;
GSUB_initialize_language_cache(script);
if (!searchingFor && cMaxTags < script->language_count)
rc = E_OUTOFMEMORY;
else if (searchingFor)
rc = E_INVALIDARG;
*pcTags = script->language_count;
for (i = 0; i < script->language_count; i++)
{
if (i < cMaxTags)
pLanguageTags[i] = script->languages[i].tag;
if (searchingFor)
{
if (searchingFor == script->languages[i].tag)
{
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 (i < cMaxTags)
pLanguageTags[i] = script->default_language.tag;
if (searchingFor && FAILED(rc))
{
pLanguageTags[0] = script->default_language.tag;
if (language_table)
*language_table = script->default_language.table;
}
i++;
*pcTags = (*pcTags) + 1;
}
return rc;
}
HRESULT SHAPE_GetFontScriptTags( HDC hdc, ScriptCache *psc,
SCRIPT_ANALYSIS *psa, int cMaxTags,
OPENTYPE_TAG *pScriptTags, int *pcTags)
@ -3840,3 +3930,32 @@ HRESULT SHAPE_GetFontScriptTags( HDC hdc, ScriptCache *psc,
*pcTags = 0;
return hr;
}
HRESULT SHAPE_GetFontLanguageTags( HDC hdc, ScriptCache *psc,
SCRIPT_ANALYSIS *psa, OPENTYPE_TAG tagScript,
int cMaxTags, OPENTYPE_TAG *pLangSysTags,
int *pcTags)
{
HRESULT hr;
OPENTYPE_TAG searching = 0x00000000;
BOOL fellback = FALSE;
if (!psc->GSUB_Table)
psc->GSUB_Table = load_gsub_table(hdc);
if (psa && psc->userLang != 0)
searching = psc->userLang;
hr = GSUB_GetFontLanguageTags(psc, tagScript, searching, cMaxTags, pLangSysTags, pcTags, NULL);
if (FAILED(hr))
{
fellback = TRUE;
hr = GSUB_GetFontLanguageTags(psc, MS_MAKE_TAG('l','a','t','n'), searching, cMaxTags, pLangSysTags, pcTags, NULL);
}
if (FAILED(hr) || fellback)
*pcTags = 0;
if (SUCCEEDED(hr) && fellback && psa)
hr = E_INVALIDARG;
return hr;
}

37
dlls/usp10/tests/usp10.c
View File

@ -60,6 +60,7 @@ static HRESULT (WINAPI *pScriptShapeOpenType)( HDC hdc, SCRIPT_CACHE *psc, SCRIP
static DWORD (WINAPI *pGetGlyphIndicesW)(HDC hdc, LPCWSTR lpstr, INT count, LPWORD pgi, DWORD flags);
static HRESULT (WINAPI *pScriptGetFontScriptTags)( HDC hdc, SCRIPT_CACHE *psc, SCRIPT_ANALYSIS *psa, int cMaxTags, OPENTYPE_TAG *pScriptTags, int *pcTags);
static HRESULT (WINAPI *pScriptGetFontLanguageTags)( HDC hdc, SCRIPT_CACHE *psc, SCRIPT_ANALYSIS *psa, OPENTYPE_TAG tagScript, int cMaxTags, OPENTYPE_TAG *pLangSysTags, int *pcTags);
static inline void _test_items_ok(LPCWSTR string, DWORD cchString,
SCRIPT_CONTROL *Control, SCRIPT_STATE *State,
@ -2871,9 +2872,10 @@ static void test_ScriptGetFontFunctions(HDC hdc)
{
HRESULT hr;
pScriptGetFontScriptTags = (void*)GetProcAddress(GetModuleHandleA("usp10.dll"), "ScriptGetFontScriptTags");
if (!pScriptGetFontScriptTags)
pScriptGetFontLanguageTags = (void*)GetProcAddress(GetModuleHandleA("usp10.dll"), "ScriptGetFontLanguageTags");
if (!pScriptGetFontScriptTags || !pScriptGetFontLanguageTags)
{
win_skip("ScriptGetFontScriptTags not available on this platform\n");
win_skip("ScriptGetFontScriptTags or ScriptGetFontLanguageTags not available on this platform\n");
}
else
{
@ -2909,6 +2911,31 @@ static void test_ScriptGetFontFunctions(HDC hdc)
ok(count == 0, "Count should be 0 with E_OUTOFMEMORY return\n");
ok(sc != NULL, "ScriptCache should be initialized\n");
ScriptFreeCache(&sc);
sc = NULL;
hr = pScriptGetFontLanguageTags(hdc, &sc, NULL, latn_tag, 0, NULL, NULL);
ok(hr == E_INVALIDARG,"Incorrect return code\n");
ok(sc == NULL, "ScriptCache should remain uninitialized\n");
hr = pScriptGetFontLanguageTags(hdc, &sc, NULL, latn_tag, 0, NULL, &count);
ok(hr == E_INVALIDARG,"Incorrect return code\n");
ok(sc == NULL, "ScriptCache should remain uninitialized\n");
hr = pScriptGetFontLanguageTags(hdc, &sc, NULL, latn_tag, 5, tags, NULL);
ok(hr == E_INVALIDARG,"Incorrect return code\n");
ok(sc == NULL, "ScriptCache should remain uninitialized\n");
hr = pScriptGetFontLanguageTags(hdc, &sc, NULL, latn_tag, 0, tags, &count);
ok(hr == E_INVALIDARG,"Incorrect return code\n");
ok(sc == NULL, "ScriptCache should remain uninitialized\n");
hr = pScriptGetFontLanguageTags(NULL, &sc, NULL, latn_tag, 5, tags, &count);
ok(hr == E_PENDING,"Incorrect return code\n");
ok(sc == NULL, "ScriptCache should remain uninitialized\n");
hr = pScriptGetFontLanguageTags(hdc, &sc, NULL, latn_tag, 5, tags, &count);
ok((hr == S_OK || hr == E_OUTOFMEMORY),"Incorrect return code\n");
if (hr == S_OK)
ok(count <= 5, "Count should be less or equal to 5 with S_OK return\n");
else if (hr == E_OUTOFMEMORY)
ok(count == 0, "Count should be 0 with E_OUTOFMEMORY return\n");
memset(&Control, 0, sizeof(Control));
memset(&State, 0, sizeof(State));
@ -2917,6 +2944,12 @@ static void test_ScriptGetFontFunctions(HDC hdc)
memset(tags,0,sizeof(tags));
hr = pScriptGetFontScriptTags(hdc, &sc, &outpItems[0].a, 5, tags, &count);
ok( hr == USP_E_SCRIPT_NOT_IN_FONT || broken(hr == S_OK), "wrong return code\n");
hr = pScriptGetFontLanguageTags(hdc, &sc, NULL, dsrt_tag, 5, tags, &count);
ok( hr == S_OK, "wrong return code\n");
hr = pScriptGetFontLanguageTags(hdc, &sc, &outpItems[0].a, dsrt_tag, 5, tags, &count);
ok( hr == E_INVALIDARG || broken(hr == S_OK), "wrong return code\n");
ScriptFreeCache(&sc);
}
}

11
dlls/usp10/usp10.c
View File

@ -925,6 +925,8 @@ HRESULT WINAPI ScriptFreeCache(SCRIPT_CACHE *psc)
heap_free(((ScriptCache *)*psc)->GSUB_Table);
heap_free(((ScriptCache *)*psc)->GDEF_Table);
heap_free(((ScriptCache *)*psc)->CMAP_Table);
for (i = 0; i < ((ScriptCache *)*psc)->script_count; i++)
heap_free(((ScriptCache *)*psc)->scripts[i].languages);
heap_free(((ScriptCache *)*psc)->scripts);
heap_free(((ScriptCache *)*psc)->features);
heap_free(*psc);
@ -3552,3 +3554,12 @@ HRESULT WINAPI ScriptGetFontScriptTags( HDC hdc, SCRIPT_CACHE *psc, SCRIPT_ANALY
return SHAPE_GetFontScriptTags(hdc, (ScriptCache *)*psc, psa, cMaxTags, pScriptTags, pcTags);
}
HRESULT WINAPI ScriptGetFontLanguageTags( HDC hdc, SCRIPT_CACHE *psc, SCRIPT_ANALYSIS *psa, OPENTYPE_TAG tagScript, int cMaxTags, OPENTYPE_TAG *pLangSysTags, int *pcTags)
{
HRESULT hr;
if (!pLangSysTags || !pcTags || cMaxTags == 0) return E_INVALIDARG;
if ((hr = init_script_cache(hdc, psc)) != S_OK) return hr;
return SHAPE_GetFontLanguageTags(hdc, (ScriptCache *)*psc, psa, tagScript, cMaxTags, pLangSysTags, pcTags);
}

2
dlls/usp10/usp10.spec
View File

@ -8,7 +8,7 @@
@ stdcall ScriptGetCMap(ptr ptr ptr long long ptr)
@ stub ScriptGetFontAlternateGlyphs
@ stub ScriptGetFontFeatureTags
@ stub ScriptGetFontLanguageTags
@ stdcall ScriptGetFontLanguageTags(long ptr ptr long long ptr ptr)
@ stdcall ScriptGetFontProperties(long ptr ptr)
@ stdcall ScriptGetFontScriptTags(long ptr ptr long ptr ptr)
@ stdcall ScriptGetGlyphABCWidth(ptr ptr long ptr)

9
dlls/usp10/usp10_internal.h
View File

@ -134,6 +134,14 @@ typedef struct {
typedef struct {
OPENTYPE_TAG tag;
LPCVOID table;
} LoadedLanguage;
typedef struct {
OPENTYPE_TAG tag;
LPCVOID table;
LoadedLanguage default_language;
INT language_count;
LoadedLanguage *languages;
} LoadedScript;
typedef struct {
@ -204,6 +212,7 @@ HRESULT SHAPE_CheckFontForRequiredFeatures(HDC hdc, ScriptCache *psc, SCRIPT_ANA
void SHAPE_CharGlyphProp(HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *psa, const WCHAR* pwcChars, const INT cChars, const WORD* pwGlyphs, const INT cGlyphs, WORD *pwLogClust, SCRIPT_CHARPROP *pCharProp, SCRIPT_GLYPHPROP *pGlyphProp) DECLSPEC_HIDDEN;
INT SHAPE_does_GSUB_feature_apply_to_chars(HDC hdc, SCRIPT_ANALYSIS *psa, ScriptCache* psc, const WCHAR *chars, INT write_dir, INT count, const char* feature) DECLSPEC_HIDDEN;
HRESULT SHAPE_GetFontScriptTags( HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *psa, int cMaxTags, OPENTYPE_TAG *pScriptTags, int *pcTags) DECLSPEC_HIDDEN;
HRESULT SHAPE_GetFontLanguageTags( HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *psa, OPENTYPE_TAG tagScript, int cMaxTags, OPENTYPE_TAG *pLangSysTags, int *pcTags) DECLSPEC_HIDDEN;
void Indic_ReorderCharacters( HDC hdc, SCRIPT_ANALYSIS *psa, ScriptCache* psc, LPWSTR input, int cChars, IndicSyllable **syllables, int *syllable_count, lexical_function lexical_f, reorder_function reorder_f, BOOL modern) DECLSPEC_HIDDEN;
void Indic_ParseSyllables( HDC hdc, SCRIPT_ANALYSIS *psa, ScriptCache* psc, LPCWSTR input, const int cChar, IndicSyllable **syllables, int *syllable_count, lexical_function lex, BOOL modern) DECLSPEC_HIDDEN;