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Home » Developing U++ » U++ Developers corner » Optimizing DrawImage across platforms
Re: MILESTONE: gtk3 replaces gtk2 as default linux backend [message #53676 is a reply to message #53674] Mon, 20 April 2020 15:11 Go to previous messageGo to previous message
mirek is currently offline  mirek
Messages: 14261
Registered: November 2005
Ultimate Member
Tom1 wrote on Mon, 20 April 2020 14:11

It's nearly always Painter -- or something similar (e.g. custom rendering) but the result is always in ImageBuffer.


I am rather asking because of GetKind. At this point, it appears that it would be nice to have information about whether Image is opaque or not (and use SetSurface or AlphaBlend based on this info). With BufferPainter, I can get this info based on Clear. With generic ImageBuffer, test will be needed, unless client code uses SetKind....

Mirek
 
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