# -*- coding: utf-8 -*-
"""
constantes globales partagées par plusieurs modules.

$Id$
$URL$
"""
from colorsys import hls_to_rgb
from math import floor

BACKGROUND_LAYER = 0
FOREGROUND_LAYER = 1
CURSOR_LAYER = 2
PLAYING_MODES = {'EASY':0
                ,'NORMAL':1
                ,'ADVANCED':2
                ,'EXPERT':3}

def hls_to_rgba_8bits(h, l, s, a=1) :
    #convert to rgb ranging from 0 to 255
    rgba = [floor(255 * i) for i in hls_to_rgb(h, l, s) + (a,)]
    return tuple(rgba)