Alexandre Julliard : comctl32: Don' t try to mask out the image for palette-based bitmaps.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 129f48a69224c7fa7d46577483a7351ceb5b0a99
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=129f48a69224c7fa7d46577483a7351ceb5b0a99

Author: Alexandre Julliard <julliard at winehq.org>
Date:   Wed Dec 14 21:38:10 2011 +0100

comctl32: Don't try to mask out the image for palette-based bitmaps.

---

 dlls/comctl32/imagelist.c |    8 +++++---
 1 files changed, 5 insertions(+), 3 deletions(-)

diff --git a/dlls/comctl32/imagelist.c b/dlls/comctl32/imagelist.c
index db59104..0914c09 100644
--- a/dlls/comctl32/imagelist.c
+++ b/dlls/comctl32/imagelist.c
@@ -543,8 +543,6 @@ ImageList_AddMasked (HIMAGELIST himl, HBITMAP hBitmap, COLORREF clrMask)
     SetBkColor (hdcBitmap, bkColor);
     BitBlt (hdcMask, 0, 0, bmp.bmWidth, bmp.bmHeight, hdcBitmap, 0, 0, SRCCOPY);
 
-    SetBkColor(hdcBitmap, RGB(255,255,255));
-
     /*
      * Remove the background from the image
      *
@@ -558,7 +556,11 @@ ImageList_AddMasked (HIMAGELIST himl, HBITMAP hBitmap, COLORREF clrMask)
      *
      *  Blt mode 0x220326 is NOTSRCAND
      */
-    BitBlt(hdcBitmap, 0, 0, bmp.bmWidth, bmp.bmHeight, hdcMask, 0, 0, 0x220326);
+    if (bmp.bmBitsPixel > 8)  /* NOTSRCAND can't work with palettes */
+    {
+        SetBkColor(hdcBitmap, RGB(255,255,255));
+        BitBlt(hdcBitmap, 0, 0, bmp.bmWidth, bmp.bmHeight, hdcMask, 0, 0, 0x220326);
+    }
 
     DeleteDC(hdcBitmap);
     DeleteDC(hdcMask);