Function
Gdk.cairo_region_create_from_surface
Declaration [src]
cairo_region_t*
gdk_cairo_region_create_from_surface (
cairo_surface_t* surface
)
Description [src]
Creates region that covers the area where the given
surface
is more than 50% opaque.
This function takes into account device offsets that might be
set with cairo_surface_set_device_offset()
.