cairo_surface_t* gdk_offscreen_window_get_surface ( GdkWindow* window )
Gets the offscreen surface that an offscreen window renders into. If you need to keep this around over window resizes, you need to add a reference to it.
The data is owned by the caller of the function.
The offscreen surface, or
NULL if not offscreen.
|The data is owned by the called function.|
|The return value can be |