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Old 04-04-2019, 10:02 AM   #1
juliansader
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Default WDL/swell: Linux: BitBlt and StretchBlt: SRCCOPY_USEALPHACHAN not working [FIXED!]

Per-pixel alpha blending, using mode=SRCCOPY_USEALPHACHAN, works fine on macOS, similar to the AlphaBlend function on Win32, but doesn't work on Linux.

Last edited by juliansader; 04-08-2019 at 01:07 AM.
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Old 04-05-2019, 08:47 PM   #2
Justin
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Moving to the WDL forum. I suppose this would be easy enough to implement...
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Old 01-10-2020, 03:22 AM   #3
juliansader
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The same problem seems to have reared its head on some -- but not all -- macOS computers too: macOS: StretchBlt with SRCCOPY_USEALPHACHAN does not apply alpha.
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