+# -*- 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 = (('BEGINNER' , u'Débutant'),
+ ('EASY' , u'Facile'),
+ ('NORMAL' , u'Normal'),
+ ('ADVANCED' , u'Avancé'),
+ ('EXPERT' , u'Expert'))
+
+
+
+PLAYING_MODES_DICT = dict([(v[0], i) for i, v in enumerate(PLAYING_MODES)])
+
+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)
+