Function
Gdkcairo_region_create_from_surface
Declaration [src]
cairo_region_t*
gdk_cairo_region_create_from_surface (
cairo_surface_t* surface
)
Description [src]
Creates region that describes 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().
Parameters
surface-
Type:
cairo_surface_tA cairo surface.
The data is owned by the caller of the function.
Return value
Type: cairo_region_t
A #cairo_region_t; must be freed with cairo_region_destroy().
| The caller of the function takes ownership of the data, and is responsible for freeing it. |