Fetches the current allocation size for context. If the context was not allocated in width or height, or if the context was recently reset with gtk_cell_area_context_reset(), the returned value will be -1.
location to store the allocated width, or NULL. out[allow-none]
location to store the allocated height, or NULL. out[allow-none] Since 3.0
See Implementation
Fetches the current allocation size for context. If the context was not allocated in width or height, or if the context was recently reset with gtk_cell_area_context_reset(), the returned value will be -1.