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usp10: Insert dotted circle (U+25CC) for invalid combining sequences in Thai.

This commit is contained in:
Aric Stewart 2012-06-04 07:44:12 -05:00 committed by Alexandre Julliard
parent 14f42cdcbc
commit 28854b452e
1 changed files with 49 additions and 3 deletions
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52
dlls/usp10/shape.c
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@ -46,6 +46,7 @@ static void ContextualShape_Hebrew(HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *p
static void ContextualShape_Syriac(HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *psa, WCHAR* pwcChars, INT cChars, WORD* pwOutGlyphs, INT* pcGlyphs, INT cMaxGlyphs, WORD *pwLogClust);
static void ContextualShape_Thaana(HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *psa, WCHAR* pwcChars, INT cChars, WORD* pwOutGlyphs, INT* pcGlyphs, INT cMaxGlyphs, WORD *pwLogClust);
static void ContextualShape_Phags_pa(HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *psa, WCHAR* pwcChars, INT cChars, WORD* pwOutGlyphs, INT* pcGlyphs, INT cMaxGlyphs, WORD *pwLogClust);
static void ContextualShape_Thai(HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *psa, WCHAR* pwcChars, INT cChars, WORD* pwOutGlyphs, INT* pcGlyphs, INT cMaxGlyphs, WORD *pwLogClust);
static void ContextualShape_Sinhala(HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *psa, WCHAR* pwcChars, INT cChars, WORD* pwOutGlyphs, INT* pcGlyphs, INT cMaxGlyphs, WORD *pwLogClust);
static void ContextualShape_Devanagari(HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *psa, WCHAR* pwcChars, INT cChars, WORD* pwOutGlyphs, INT* pcGlyphs, INT cMaxGlyphs, WORD *pwLogClust);
static void ContextualShape_Bengali(HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *psa, WCHAR* pwcChars, INT cChars, WORD* pwOutGlyphs, INT* pcGlyphs, INT cMaxGlyphs, WORD *pwLogClust);
@ -408,8 +409,8 @@ static const ScriptShapeData ShapingData[] =
{{ tibetan_features, 2}, NULL, 0, NULL, ShapeCharGlyphProp_Tibet},
{{ tibetan_features, 2}, NULL, 0, NULL, ShapeCharGlyphProp_Tibet},
{{ phags_features, 3}, NULL, 0, ContextualShape_Phags_pa, ShapeCharGlyphProp_Thai},
{{ thai_features, 1}, NULL, 0, NULL, ShapeCharGlyphProp_Thai},
{{ thai_features, 1}, NULL, 0, NULL, ShapeCharGlyphProp_Thai},
{{ thai_features, 1}, NULL, 0, ContextualShape_Thai, ShapeCharGlyphProp_Thai},
{{ thai_features, 1}, NULL, 0, ContextualShape_Thai, ShapeCharGlyphProp_Thai},
{{ thai_features, 1}, required_lao_features, 0, NULL, ShapeCharGlyphProp_Thai},
{{ thai_features, 1}, required_lao_features, 0, NULL, ShapeCharGlyphProp_Thai},
{{ devanagari_features, 6}, required_devanagari_features, MS_MAKE_TAG('d','e','v','2'), ContextualShape_Devanagari, ShapeCharGlyphProp_Devanagari},
@ -469,7 +470,7 @@ static const ScriptShapeData ShapingData[] =
{{ NULL, 0}, NULL, 0, NULL, NULL},
{{ hebrew_features, 1}, NULL, 0, ContextualShape_Hebrew, NULL},
{{ latin_features, 2}, NULL, 0, NULL, NULL},
{{ thai_features, 1}, NULL, 0, NULL, ShapeCharGlyphProp_Thai},
{{ thai_features, 1}, NULL, 0, ContextualShape_Thai, ShapeCharGlyphProp_Thai},
};
extern scriptData scriptInformation[];
@ -1365,6 +1366,51 @@ static void ContextualShape_Phags_pa(HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS
HeapFree(GetProcessHeap(),0,context_shape);
}
static int combining_lexical_Thai(WCHAR c)
{
enum {Thai_Norm=0, Thai_ABOVE1, Thai_ABOVE2, Thai_ABOVE3, Thai_ABOVE4, Thai_BELOW1, Thai_BELOW2, Thai_AM};
switch(c)
{
case 0xE31:
case 0xE34:
case 0xE35:
case 0xE36:
case 0xE37: return Thai_ABOVE1; break;
case 0xE47:
case 0xE4D: return Thai_ABOVE2; break;
case 0xE48:
case 0xE49:
case 0xE4A:
case 0xE4B: return Thai_ABOVE3; break;
case 0xE4C:
case 0xE4E: return Thai_ABOVE4; break;
case 0xE38:
case 0xE39: return Thai_BELOW1; break;
case 0xE3A: return Thai_BELOW2; break;
case 0xE33: return Thai_AM; break;
default: return Thai_Norm;
}
}
static void ContextualShape_Thai(HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *psa, WCHAR* pwcChars, INT cChars, WORD* pwOutGlyphs, INT* pcGlyphs, INT cMaxGlyphs, WORD *pwLogClust)
{
INT dirL;
if (*pcGlyphs != cChars)
{
ERR("Number of Glyphs and Chars need to match at the beginning\n");
return;
}
if (!psa->fLogicalOrder && psa->fRTL)
dirL = -1;
else
dirL = 1;
mark_invalid_combinations(hdc, pwcChars, cChars, pwOutGlyphs, pcGlyphs, dirL, pwLogClust, combining_lexical_Thai);
}
static void ReplaceInsertChars(HDC hdc, INT cWalk, INT* pcChars, WCHAR *pwOutChars, const WCHAR *replacements)
{
int i;