Learn R Programming

RGtk2 (version 2.20.31)

gdkWindowSetOpacity: gdkWindowSetOpacity

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

gdkWindowSetOpacity(object, opacity)

Arguments

object
a top-level GdkWindow
opacity
opacity

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