[PATCH] gdiplus: Avoid unnecessary post-to-pre-multiplied alpha conversions in GdipDrawImagePointsRect
madewokherd at gmail.com
Tue Mar 31 11:03:13 CDT 2015
On Tue, Mar 31, 2015 at 9:05 AM, Andrew Eikum <aeikum at codeweavers.com> wrote:
> + if (bg_alpha == 0) return fg;
This doesn't seem right. Foreground is premultiplied, but we expect
the result to not be premultiplied.
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