Description

Request the windowing system to make window partially transparent, with opacity 0 being fully transparent and 1 fully opaque. (Values of the opacity parameter are clamped to the [0,1] range.)

Usage

Arguments

Details

On X11, this works only on X screens with a compositing manager running.

For setting up per-pixel alpha, see gdkScreenGetRgbaColormap. For making non-toplevel windows translucent, see gdkWindowSetComposited. Since 2.12

Author(s)

Derived by RGtkGen from GTK+ documentation