[PATCH 4/5] usp10: Properly determine the glyph run direction when shaping Script_Arabic.

[Henri Verbeet]

In particular, if fLogicalOrder and fRTL are both set, the glyph order is
swapped compared to the character order. In all other cases it's the same.

Signed-off-by: Henri Verbeet <hverbeet at codeweavers.com>
---
 dlls/usp10/shape.c | 26 +++++++++++++-------------
 1 file changed, 13 insertions(+), 13 deletions(-)

diff --git a/dlls/usp10/shape.c b/dlls/usp10/shape.c
index aa98366..ce19465 100644
--- a/dlls/usp10/shape.c
+++ b/dlls/usp10/shape.c
@@ -1055,15 +1055,15 @@ static void ContextualShape_Arabic(HDC hdc, ScriptCache *psc, SCRIPT_ANALYSIS *p
         return;
     }
 
-    if (!psa->fLogicalOrder && psa->fRTL)
+    if (psa->fLogicalOrder && psa->fRTL)
     {
-        dirR = 1;
-        dirL = -1;
+        dirR = -1;
+        dirL = 1;
     }
     else
     {
-        dirR = -1;
-        dirL = 1;
+        dirR = 1;
+        dirL = -1;
     }
 
     load_ot_tables(hdc, psc);
@@ -2946,20 +2946,20 @@ static void ShapeCharGlyphProp_Arabic( HDC hdc, ScriptCache *psc, SCRIPT_ANALYSI
     spaces = HeapAlloc(GetProcessHeap(),0,cGlyphs);
     memset(spaces,0,cGlyphs);
 
-    if (!psa->fLogicalOrder && psa->fRTL)
-    {
-        initGlyph = cGlyphs-1;
-        finaGlyph = 0;
-        dirR = 1;
-        dirL = -1;
-    }
-    else
+    if (psa->fLogicalOrder && psa->fRTL)
     {
         initGlyph = 0;
         finaGlyph = cGlyphs-1;
         dirR = -1;
         dirL = 1;
     }
+    else
+    {
+        initGlyph = cGlyphs-1;
+        finaGlyph = 0;
+        dirR = 1;
+        dirL = -1;
+    }
 
     for (i = 0; i < cGlyphs; i++)
     {
-- 
2.1.4