Get the best visual of the given @visual_type for the default GDK screen. Visuals with higher color depths are considered better. The return value should not be freed. %NULL may be returned if no visual has type @visual_type.
a visual type
Return: best visual of the given type
See Implementation
Get the best visual of the given @visual_type for the default GDK screen. Visuals with higher color depths are considered better. The return value should not be freed. %NULL may be returned if no visual has type @visual_type.