Optimize drawing bitmaps with alpha on WXMSW. #144
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Extended tests to determine speed of drawing RGB/ARGB bitmaps on target bitmaps with different colour depths (RGB/0RGB/ARGB/system default).
Modify the loop fixing alpha channel value in order to increase speed when ARGB bitmap is drawn on 0RGB DIB bitmap or 32-bit DDB bitmap.
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Thanks a lot for fixing this! |
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Details: http://trac.wxwidgets.org/ticket/16766#comment:8