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I have a ARGB image data. I wish to set my window icon to this data. After searching for hours I am still at the start with nothing at hand. I know that I need to create a pixmap for image data and (may be) another pixmap for mask and use hints to hint the window manager about this. However, I do not know how to setup 32bit ARGB or 24bit RGB + 8bit alpha image. A sample would really be nice.
If 32 bit depth visual is available (check xdpyinfo) then code from my question should work for you. After you create RGBA pixmap just assign it’s handle to _NET_WM_ICON property