const cairo_region_t* gdk_draw_context_get_frame_region ( GdkDrawContext* context )
Retrieves the region that is currently being repainted.
After a call to
gdk_draw_context_begin_frame() this function will
return a union of the region passed to that function and the area of the
surface that the
context determined needs to be repainted.
context is not in between calls to
NULL will be returned.
A Cairo region.
|The data is owned by the instance.|
|The return value can be |