Request: function surface:get_opacity()
It would be useful to have a function surface:get_opacity(). (This would be also useful for other drawables, like sprites, if the function drawable:set_opacity(opacity) is implemented someday.)
It would be useful to have a function surface:get_opacity(). (This would be also useful for other drawables, like sprites, if the function drawable:set_opacity(opacity) is implemented someday.)