Aric Stewart : usp10: Insert dotted circle (U+25CC) for invalid combining sequences in Lao.
Alexandre Julliard
julliard at winehq.org
Mon Jun 4 13:27:13 CDT 2012
Module: wine
Branch: master
Commit: 4f7ea5737a6b83bd9013ae25db748902cb6a09c0
URL: http://source.winehq.org/git/wine.git/?a=commit;h=4f7ea5737a6b83bd9013ae25db748902cb6a09c0
Author: Aric Stewart <aric at codeweavers.com>
Date: Mon Jun 4 07:44:14 2012 -0500
usp10: Insert dotted circle (U+25CC) for invalid combining sequences in Lao.
---
dlls/usp10/shape.c | 49 +++++++++++++++++++++++++++++++++++++++++++++++--
1 files changed, 47 insertions(+), 2 deletions(-)
diff --git a/dlls/usp10/shape.c b/dlls/usp10/shape.c
index 67c8153..f2b41b1 100644
--- a/dlls/usp10/shape.c
+++ b/dlls/usp10/shape.c
@@ -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;
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