Aric Stewart : usp10: Correct ralf glyph offset calculation in PostBase.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 3d56d674aa32e9b8f092695190315652fdb94950
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=3d56d674aa32e9b8f092695190315652fdb94950

Author: Aric Stewart <aric at codeweavers.com>
Date:   Tue Jun 21 10:07:53 2011 -0500

usp10: Correct ralf glyph offset calculation in PostBase.

---

 dlls/usp10/shape.c |   12 +++++++-----
 1 files changed, 7 insertions(+), 5 deletions(-)

diff --git a/dlls/usp10/shape.c b/dlls/usp10/shape.c
index 104757c..e0b32c9 100644
--- a/dlls/usp10/shape.c
+++ b/dlls/usp10/shape.c
@@ -2096,19 +2096,21 @@ static inline INT find_halant_consonant(WCHAR* pwChars, INT index, INT end, lexi
 static void Apply_Indic_PostBase(HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *psa, WCHAR* pwChars, INT cChars, IndicSyllable *syllable, WORD *pwOutGlyphs, INT* pcGlyphs, WORD *pwLogClust, lexical_function lexical, IndicSyllable *glyph_index, const char* feat)
 {
     INT index, nextIndex;
-    INT count, g_offset;
+    INT count, g_offset=0;
+    INT ralf = syllable->ralf;
 
     count = syllable->end - syllable->base;
 
-    if (syllable->ralf >= syllable->base)
-        g_offset = -1;
-    else
-        g_offset = 0;
     index = find_halant_consonant(&pwChars[syllable->base], 0, count, lexical);
 
     while (index >= 0)
     {
         INT prevCount = *pcGlyphs;
+        if (ralf >=0 && ralf < index)
+        {
+            g_offset--;
+            ralf = -1;
+        }
         nextIndex = apply_GSUB_feature_to_glyph(hdc, psa, psc, pwOutGlyphs, index+glyph_index->base+g_offset, 1, pcGlyphs, feat);
         if (nextIndex > GSUB_E_NOGLYPH)
         {