Re: Fix for bug 640 - moving thin frames leaves mess

[Pavel Roskin]

On Sat, 27 Sep 2003, Alexandre Julliard wrote:
> > - Black pen, white background, pattern, opaque mode.  The background
> >
> > would still be changing the image.  If we consider the pen white, the
> > pattern would be lost.  I actually didn't test it, but I expect it to be
> > broken.
>
> I don't see how a XOR with 0 would ever change anything.

You will have XOR with background.  Look here:
http://www.red-bean.com/~proski/wine/

Patch for cmdlgtst.c to produce those pictures is attached.  before.png
was taken with current Wine.  after.png is with the fix that removes the
special procession of R2_XORPEN.  I would not say that nobody will use
this effect.  Anyway, the whole thing is not worth arguing about.