usp10: Handle new OpenType tags for Microsoft Indic fonts.

This commit is contained in:
Aric Stewart 2011-06-02 07:44:21 -05:00 committed by Alexandre Julliard
parent c5f41f89f3
commit 2bd19a89ff
1 changed files with 49 additions and 35 deletions

View File

@ -376,6 +376,7 @@ typedef struct ScriptShapeDataTag {
TEXTRANGE_PROPERTIES defaultTextRange;
const char** requiredFeatures;
CHAR otTag[5];
CHAR newOtTag[5];
ContextualShapingProc contextProc;
ShapeCharGlyphPropProc charGlyphPropProc;
} ScriptShapeData;
@ -383,30 +384,30 @@ typedef struct ScriptShapeDataTag {
/* in order of scripts */
static const ScriptShapeData ShapingData[] =
{
{{ standard_features, 2}, NULL, "", NULL, NULL},
{{ standard_features, 2}, NULL, "latn", NULL, NULL},
{{ standard_features, 2}, NULL, "latn", NULL, NULL},
{{ standard_features, 2}, NULL, "latn", NULL, NULL},
{{ standard_features, 2}, NULL, "" , NULL, NULL},
{{ standard_features, 2}, NULL, "latn", NULL, NULL},
{{ arabic_features, 6}, required_arabic_features, "arab", ContextualShape_Arabic, ShapeCharGlyphProp_Arabic},
{{ arabic_features, 6}, required_arabic_features, "arab", ContextualShape_Arabic, ShapeCharGlyphProp_Arabic},
{{ hebrew_features, 1}, NULL, "hebr", NULL, NULL},
{{ syriac_features, 4}, required_syriac_features, "syrc", ContextualShape_Syriac, ShapeCharGlyphProp_None},
{{ arabic_features, 6}, required_arabic_features, "arab", ContextualShape_Arabic, ShapeCharGlyphProp_Arabic},
{{ NULL, 0}, NULL, "thaa", NULL, ShapeCharGlyphProp_None},
{{ standard_features, 2}, NULL, "grek", NULL, NULL},
{{ standard_features, 2}, NULL, "cyrl", NULL, NULL},
{{ standard_features, 2}, NULL, "armn", NULL, NULL},
{{ standard_features, 2}, NULL, "geor", NULL, NULL},
{{ sinhala_features, 7}, NULL, "sinh", NULL, NULL},
{{ tibetan_features, 2}, NULL, "tibt", NULL, ShapeCharGlyphProp_Tibet},
{{ tibetan_features, 2}, NULL, "tibt", NULL, ShapeCharGlyphProp_Tibet},
{{ tibetan_features, 2}, NULL, "phag", ContextualShape_Phags_pa, ShapeCharGlyphProp_Thai},
{{ thai_features, 1}, NULL, "thai", NULL, ShapeCharGlyphProp_Thai},
{{ thai_features, 1}, NULL, "thai", NULL, ShapeCharGlyphProp_Thai},
{{ thai_features, 1}, required_lao_features, "lao", NULL, ShapeCharGlyphProp_Thai},
{{ thai_features, 1}, required_lao_features, "lao", NULL, ShapeCharGlyphProp_Thai},
{{ standard_features, 2}, NULL, "", "", NULL, NULL},
{{ standard_features, 2}, NULL, "latn", "", NULL, NULL},
{{ standard_features, 2}, NULL, "latn", "", NULL, NULL},
{{ standard_features, 2}, NULL, "latn", "", NULL, NULL},
{{ standard_features, 2}, NULL, "" , "", NULL, NULL},
{{ standard_features, 2}, NULL, "latn", "", NULL, NULL},
{{ arabic_features, 6}, required_arabic_features, "arab", "", ContextualShape_Arabic, ShapeCharGlyphProp_Arabic},
{{ arabic_features, 6}, required_arabic_features, "arab", "", ContextualShape_Arabic, ShapeCharGlyphProp_Arabic},
{{ hebrew_features, 1}, NULL, "hebr", "", NULL, NULL},
{{ syriac_features, 4}, required_syriac_features, "syrc", "", ContextualShape_Syriac, ShapeCharGlyphProp_None},
{{ arabic_features, 6}, required_arabic_features, "arab", "", ContextualShape_Arabic, ShapeCharGlyphProp_Arabic},
{{ NULL, 0}, NULL, "thaa", "", NULL, ShapeCharGlyphProp_None},
{{ standard_features, 2}, NULL, "grek", "", NULL, NULL},
{{ standard_features, 2}, NULL, "cyrl", "", NULL, NULL},
{{ standard_features, 2}, NULL, "armn", "", NULL, NULL},
{{ standard_features, 2}, NULL, "geor", "", NULL, NULL},
{{ sinhala_features, 7}, NULL, "sinh", "", NULL, NULL},
{{ tibetan_features, 2}, NULL, "tibt", "", NULL, ShapeCharGlyphProp_Tibet},
{{ tibetan_features, 2}, NULL, "tibt", "", NULL, ShapeCharGlyphProp_Tibet},
{{ tibetan_features, 2}, NULL, "phag", "", ContextualShape_Phags_pa, ShapeCharGlyphProp_Thai},
{{ thai_features, 1}, NULL, "thai", "", NULL, ShapeCharGlyphProp_Thai},
{{ thai_features, 1}, NULL, "thai", "", NULL, ShapeCharGlyphProp_Thai},
{{ thai_features, 1}, required_lao_features, "lao", "", NULL, ShapeCharGlyphProp_Thai},
{{ thai_features, 1}, required_lao_features, "lao", "", NULL, ShapeCharGlyphProp_Thai},
};
static INT GSUB_is_glyph_covered(LPCVOID table , UINT glyph)
@ -816,12 +817,20 @@ static INT GSUB_apply_feature(const GSUB_Header * header, const GSUB_Feature* fe
return out_index;
}
static const char* get_opentype_script(HDC hdc, SCRIPT_ANALYSIS *psa, ScriptCache *psc)
static const char* get_opentype_script(HDC hdc, SCRIPT_ANALYSIS *psa, ScriptCache *psc, BOOL tryNew)
{
UINT charset;
if (psc->userScript != 0)
{
if (tryNew && ShapingData[psa->eScript].newOtTag[0] != 0 && strncmp((char*)&psc->userScript,ShapingData[psa->eScript].otTag,4)==0)
return ShapingData[psa->eScript].newOtTag;
else
return (char*)&psc->userScript;
}
if (tryNew && ShapingData[psa->eScript].newOtTag[0] != 0)
return ShapingData[psa->eScript].newOtTag;
if (ShapingData[psa->eScript].otTag[0] != 0)
return ShapingData[psa->eScript].otTag;
@ -866,8 +875,12 @@ static LPCVOID load_GSUB_feature(HDC hdc, SCRIPT_ANALYSIS *psa, ScriptCache *psc
{
const GSUB_Script *script;
const GSUB_LangSys *language;
int attempt = 2;
script = GSUB_get_script_table(psc->GSUB_Table, get_opentype_script(hdc,psa,psc));
do
{
script = GSUB_get_script_table(psc->GSUB_Table, get_opentype_script(hdc,psa,psc,(attempt==2)));
attempt--;
if (script)
{
if (psc->userLang != 0)
@ -877,6 +890,7 @@ static LPCVOID load_GSUB_feature(HDC hdc, SCRIPT_ANALYSIS *psa, ScriptCache *psc
if (language)
feature = GSUB_get_feature(psc->GSUB_Table, language, feat);
}
} while(attempt && !feature);
/* try in the default (latin) table */
if (!feature)