get_update_area


Description:

public Region get_update_area ()

Transfers ownership of the update area from this to the caller of the function.

That is, after calling this function, this will no longer have an invalid/dirty region; the update area is removed from this and handed to you. If a window has no update area, get_update_area returns null. You are responsible for calling cairo_region_destroy on the returned region if it’s non-null.

Parameters:

this

a Window

Returns:

the update area for this