Alexei Babich wrote: > Please, tell me, how to implement the following things, according to the scheme(figure) below:
> 1). Semitransparent background of the window w3; I want to watch the content beneath (under) it (part of the windows w1, w2, root; which intersects with the parts of the window w3). At the same time, functions of the Xrender on this background must work correctly. > 2). Drawing in parts of the windows w1, w2, which intersects with the window w3. > > I read the documentation for Xrender, Xcomposite, Xdamage, Xfixes and X Window System basics; I am understood everything(?) about this separately, but I can not understand, how do that things, which I described in 1) and 2). > As one response said you can use a compositing window manager to help with this. However, it isn't necessary. In my experience it is simpler and more direct to use a 32-bit visual and the Render extension. Create a Picture that encapsulates the Pixmap/Window of your destination window, (created with a 32-bit visual so you can set ARGB values), then use XRenderComposite to copy that Picture to the destination. I've had a lot of success with the Composite/Render extension and performance is superb on most (typically nvidia) graphics hardware. DavidJ
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