gdkWindowSetOpacity {RGtk2} | R Documentation

## 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

### Author(s)

Derived by RGtkGen from GTK+ documentation

[Package RGtk2 version 2.20.40 Index]