On April 14, 2017 7:35:20 PM GMT+02:00, "Valdas Jankūnas via Lazarus" <lazarus@lists.lazarus-ide.org> wrote: >Hello, > >I working with alpha blending. On QT it works fine. On GTK2 I get >"Depth: 24" when executing "GetDescriptionFromDevice(0)" (on QT -> 32). > >Why GTK2 "screen" not supports alpha? > It is strange because if I load PNG with transparency (image with >gradient) into TImage then I clearly can see alpha blending effect on >GTK2 when image is diplayed.
Iirc (its long ago when i implemented it) the alphablending is done by the underlying rawimage implementation Marc -- _______________________________________________ Lazarus mailing list Lazarus@lists.lazarus-ide.org http://lists.lazarus-ide.org/listinfo/lazarus