Shi Quan He (of Corel)
The implementation of StretchBlt in WINE does not use the foreground and
background color when a bitmap is copied from mono to mono. This is
not the case in the actual implementation under Windows but MSDN did
not document it.
diff --git a/graphics/x11drv/bitblt.c b/graphics/x11drv/bitblt.c
index 396d363..50bc3dc 100644
--- a/graphics/x11drv/bitblt.c
+++ b/graphics/x11drv/bitblt.c
@@ -894,8 +894,21 @@
if (!X11DRV_PALETTE_XPixelToPalette ||
(dcDst->w.bitsPerPixel == 1)) /* monochrome -> monochrome */
{
- XCopyArea( display, physDevSrc->drawable, pixmap, gc,
- visRectSrc->left, visRectSrc->top, width, height, 0, 0);
+ if (dcDst->w.bitsPerPixel == 1)
+ {
+ /* MSDN says if StretchBlt must convert a bitmap from monochrome
+ to color or vice versa, the forground and background color of
+ the device context are used. In fact, it also applies to the
+ case when it is converted from mono to mono. */
+ XSetBackground( display, gc, physDevDst->textPixel );
+ XSetForeground( display, gc, physDevDst->backgroundPixel );
+ XCopyPlane( display, physDevSrc->drawable, pixmap, gc,
+ visRectSrc->left, visRectSrc->top,
+ width, height, 0, 0, 1);
+ }
+ else
+ XCopyArea( display, physDevSrc->drawable, pixmap, gc, visRectSrc
+ ->left, visRectSrc->top, width, height, 0, 0);
}
else /* color -> color */
{
