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 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
| The caller of the function takes ownership of the data, and is responsible for freeing it. |