commit 8f1853a309e0f17d83af2725462e8c9aa925e830
author Alexandre Julliard <julliard@winehq.org> Wed May 19 20:11:48 2010 +0200
committer Alexandre Julliard <julliard@winehq.org> Wed May 19 20:11:48 2010 +0200
tree 6197fc11932f6ceaad4072b00bd205e8b932e405
parent 9479fbfd34cc8bd0f1154abe47befa5d4a645d9e

comctl32/imagelist: Clear pixels that fall outside the mask when generating an alpha channel.

dlls/comctl32/imagelist.c

diff --git a/dlls/comctl32/imagelist.c b/dlls/comctl32/imagelist.c
index 27d95f5..11ff27f 100644
--- a/dlls/comctl32/imagelist.c
+++ b/dlls/comctl32/imagelist.c
@@ -205,6 +205,8 @@
                 for (j = n * width; j < (n + 1) * width; j++)
                     if (!mask_bits || !((mask_bits[i * mask_width + j / 8] << (j % 8)) & 0x80))
                         bits[i * bm.bmWidth + j] |= 0xff000000;
+                    else
+                        bits[i * bm.bmWidth + j] = 0;
             if (hdcMask) StretchBlt( himl->hdcMask, pt.x, pt.y, himl->cx, himl->cy,
                                      hdcMask, n * width, 0, width, height, SRCCOPY );
         }