gdkWindowSetOpacity {RGtk2} | R Documentation |
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.)
gdkWindowSetOpacity(object, opacity)
|
[GdkWindow ] a top-level GdkWindow |
|
[numeric] opacity |
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
Derived by RGtkGen from GTK+ documentation