Visual.getBestDepth
int getBestDepth()Get the best available depth for the default GDK screen. “Best” means “largest,” i.e. 32 preferred over 24 preferred over 8 bits per pixel.
Returns
best available depth
Deprecated
Visual selection should be done using
[gdk.screen.Screen.getSystemVisual] and [gdk.screen.Screen.getRgbaVisual]