gdiplus image blitting performance status

[Dmitry Timoshkov]

Hi all,

I've written a simple test application to measure gdiplus performace. Although
currently it tests only GdipDrawImage() it could be easily extended to test
anything else if desired.

I'm attaching the test source with results running 32-bit test binary with
gdiplus=b and gdiplus=n (taken from win7). As could be observed, currently
built-in gdiplus performs up to 17 times worse even in identity case in
comparison with native gdiplus. With a scale/rotate graphics transform
the results are up to 20 times slower.

Considerig that built-n gdiplus status regarding support for various complex
things is pretty good, perhaps it's time to spend some time optimizing its
performans.

-- 
Dmitry.
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