[ros-diffs] [tkreuzer] 56521: [WIN32K] Fix regression of gdi32_winetest palette

[tkreuzer at svn.reactos.org]

Author: tkreuzer
Date: Sat May  5 22:50:47 2012
New Revision: 56521

URL: http://svn.reactos.org/svn/reactos?rev=56521&view=rev
Log:
[WIN32K]
Fix regression of gdi32_winetest palette

Modified:
    trunk/reactos/win32ss/gdi/ntgdi/dibobj.c

Modified: trunk/reactos/win32ss/gdi/ntgdi/dibobj.c
URL: http://svn.reactos.org/svn/reactos/trunk/reactos/win32ss/gdi/ntgdi/dibobj.c?rev=56521&r1=56520&r2=56521&view=diff
==============================================================================
--- trunk/reactos/win32ss/gdi/ntgdi/dibobj.c [iso-8859-1] (original)
+++ trunk/reactos/win32ss/gdi/ntgdi/dibobj.c [iso-8859-1] Sat May  5 22:50:47 2012
@@ -148,9 +148,12 @@
             /* Loop all color indices in the DIB */
             for (i = 0; i < cColors; i++)
             {
-                /* Get the RGB value from the DC palette, indexed by the DIB
-                   color table value */
-                crColor = PALETTE_ulGetRGBColorFromIndex(ppalDC, pwColors[i]);
+                /* Get the palette index and handle wraparound when exceeding
+                   the number of colors in the DC palette */
+                WORD wIndex = pwColors[i] % ppalDC->NumColors;
+
+                /* USe the RGB value from the DC palette */
+                crColor = PALETTE_ulGetRGBColorFromIndex(ppalDC, wIndex);
                 PALETTE_vSetRGBColorForIndex(ppal, i, crColor);
             }
         }