list_visuals

Lists the available visuals for the specified this.

A visual describes a hardware image data format. For example, a visual might support 24-bit color, or 8-bit color, and might expect pixels to be in a certain format.

Call g_list_free on the return value when you’re finished with it.

Parameters:

this	the relevant Screen.

Returns:

a list of visuals; the list must be freed, but not its contents