This function returns the available bit depths for the default
screen. It's equivalent to listing the visuals
(gdkListVisuals) and then looking at the depth field in each
visual, removing duplicates.
Usage
gdkQueryDepths()
Arguments
Value
A list containing the following elements:
depths
return location for available depths. [ out ][ array ]
count
return location for number of available depths. [ out ]
Details
The list returned by this function should not be freed.
