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

This commit is contained in:
Aric Stewart 2012-06-04 07:44:14 -05:00 committed by Alexandre Julliard
parent 28854b452e
commit 4f7ea5737a

View file

@ -47,6 +47,7 @@ static void ContextualShape_Syriac(HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *p
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_Lao(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);
@ -411,8 +412,8 @@ static const ScriptShapeData ShapingData[] =
{{ phags_features, 3}, NULL, 0, ContextualShape_Phags_pa, 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},
{{ thai_features, 1}, required_lao_features, 0, ContextualShape_Lao, ShapeCharGlyphProp_Thai},
{{ thai_features, 1}, required_lao_features, 0, ContextualShape_Lao, ShapeCharGlyphProp_Thai},
{{ devanagari_features, 6}, required_devanagari_features, MS_MAKE_TAG('d','e','v','2'), ContextualShape_Devanagari, ShapeCharGlyphProp_Devanagari},
{{ devanagari_features, 6}, required_devanagari_features, MS_MAKE_TAG('d','e','v','2'), ContextualShape_Devanagari, ShapeCharGlyphProp_Devanagari},
{{ devanagari_features, 6}, required_bengali_features, MS_MAKE_TAG('b','n','g','2'), ContextualShape_Bengali, ShapeCharGlyphProp_Bengali},
@ -1411,6 +1412,50 @@ static void ContextualShape_Thai(HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *psa
mark_invalid_combinations(hdc, pwcChars, cChars, pwOutGlyphs, pcGlyphs, dirL, pwLogClust, combining_lexical_Thai);
}
static int combining_lexical_Lao(WCHAR c)
{
enum {Lao_Norm=0, Lao_ABOVE1, Lao_ABOVE2, Lao_BELOW1, Lao_BELOW2, Lao_AM};
switch(c)
{
case 0xEB1:
case 0xEB4:
case 0xEB5:
case 0xEB6:
case 0xEB7:
case 0xEBB:
case 0xECD: return Lao_ABOVE1; break;
case 0xEC8:
case 0xEC9:
case 0xECA:
case 0xECB:
case 0xECC: return Lao_ABOVE2; break;
case 0xEBC: return Lao_BELOW1; break;
case 0xEB8:
case 0xEB9: return Lao_BELOW2; break;
case 0xEB3: return Lao_AM; break;
default: return Lao_Norm;
}
}
static void ContextualShape_Lao(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_Lao);
}
static void ReplaceInsertChars(HDC hdc, INT cWalk, INT* pcChars, WCHAR *pwOutChars, const WCHAR *replacements)
{
int i;