[akhaldi] 67405: [UXTHEME] Apply Wine commit c6b4b4b by Mark Harmstone: Fix colour errors in UXTHEME_StretchBlt.

Author: akhaldi
Date: Sat Apr 25 12:04:21 2015
New Revision: 67405

URL: http://svn.reactos.org/svn/reactos?rev=67405&view=rev
Log:
[UXTHEME] Apply Wine commit c6b4b4b by Mark Harmstone: Fix colour errors in
UXTHEME_StretchBlt.

Modified:
    trunk/reactos/dll/win32/uxtheme/draw.c

Modified: trunk/reactos/dll/win32/uxtheme/draw.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/dll/win32/uxtheme/draw.c?r…
==============================================================================
--- trunk/reactos/dll/win32/uxtheme/draw.c	[iso-8859-1] (original)
+++ trunk/reactos/dll/win32/uxtheme/draw.c	[iso-8859-1] Sat Apr 25 12:04:21 2015
@@ -274,22 +274,33 @@
       255,         /* SourceConstantAlpha */
       AC_SRC_ALPHA /* AlphaFormat */
     };
+
+    BOOL ret = TRUE;
+    int old_stretch_mode;
+    POINT old_brush_org;
+
+    old_stretch_mode = SetStretchBltMode(hdcDst, HALFTONE);
+    SetBrushOrgEx(hdcDst, nXOriginDst, nYOriginDst, &old_brush_org);
+
     if (transparent == ALPHABLEND_BINARY) {
         /* Ensure we don't pass any negative values to TransparentBlt */
-        return TransparentBlt(hdcDst, nXOriginDst, nYOriginDst, abs(nWidthDst),
abs(nHeightDst),
+        ret = TransparentBlt(hdcDst, nXOriginDst, nYOriginDst, abs(nWidthDst),
abs(nHeightDst),
                               hdcSrc, nXOriginSrc, nYOriginSrc, abs(nWidthSrc),
abs(nHeightSrc),
                               transcolor);
-    }
-    if ((transparent == ALPHABLEND_NONE) ||
+    } else if ((transparent == ALPHABLEND_NONE) ||
         !AlphaBlend(hdcDst, nXOriginDst, nYOriginDst, nWidthDst, nHeightDst,
                     hdcSrc, nXOriginSrc, nYOriginSrc, nWidthSrc, nHeightSrc,
                     blendFunc))
     {
-        return StretchBlt(hdcDst, nXOriginDst, nYOriginDst, nWidthDst, nHeightDst,
+        ret = StretchBlt(hdcDst, nXOriginDst, nYOriginDst, nWidthDst, nHeightDst,
                           hdcSrc, nXOriginSrc, nYOriginSrc, nWidthSrc, nHeightSrc,
                           SRCCOPY);
     }
-    return TRUE;
+
+    SetBrushOrgEx(hdcDst, old_brush_org.x, old_brush_org.y, NULL);
+    SetStretchBltMode(hdcDst, old_stretch_mode);
+
+    return ret;
 }
 
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