Retrieves a snapshot of the contained widget in the form of a cairo_surface_t. If you need to keep this around over window resizes then you should add a reference to it. Since 2.20
A cairo_surface_t pointer to the offscreen surface, or NULL. [transfer none]
See Implementation
Retrieves a snapshot of the contained widget in the form of a cairo_surface_t. If you need to keep this around over window resizes then you should add a reference to it. Since 2.20