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 | cairo_surface_t | 
| A cairo surface. | |
| The data is owned by the caller of the function. | 
Return value
| Returns: | cairo_region_t | 
| A  | |
| The caller of the function takes ownership of the data, and is responsible for freeing it. |