[PATCH] gdiplus: in CompositingModeSourceCopy, fully transparent pixels are drawn black
whydoubt at gmail.com
Wed Mar 4 22:32:17 CST 2020
On Wed, Mar 4, 2020, 7:36 PM Damjan Jovanovic <damjan.jov at gmail.com> wrote:
> Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=42585
> Signed-off-by: Damjan Jovanovic <damjan.jov at gmail.com>
> dlls/gdiplus/graphics.c | 7 ++++++-
> dlls/gdiplus/tests/image.c | 2 +-
> 2 files changed, 7 insertions(+), 2 deletions(-)
I've looked at this area of GDI+ recently. Effectively what seems to happen
for copy is the source color is converted PARGB (pre-multiplied) then back
to ARGB. I hadn't decided if I had considered all code paths though.
However, if this patch does fix the application bug, it still seems like an
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