Visual.getBitsPerRgb
int getBitsPerRgb()Returns the number of significant bits per red, green and blue value.
Not all GDK backend provide a meaningful value for this function.
Returns
The number of significant bits per color value for visual.
Deprecated
Use [gdk.visual.Visual.getRedPixelDetails] and its variants to
learn about the pixel layout of TrueColor and DirectColor visuals