Files
mopidy-touchscreen/mopidy_touchscreen/dynamic_background.py
2014-12-22 18:04:33 +01:00

39 lines
1.0 KiB
Python

import random
class DynamicBackground():
def __init__(self):
self.current = get_valid_color()
self.target = get_valid_color()
def draw_background(self, surface):
same = True
for x in range(0, 3):
if self.current[x] > self.target[x]:
self.current[x] -= 1
elif self.current[x] < self.target[x]:
self.current[x] += 1
if self.current != self.target:
same = False
if same:
self.target = get_valid_color()
surface.fill(self.current)
# Returns an array with 3 integers in range of 0-255
# The sum of the three integers will be lower than 255*2
# (510) to avoid very bright colors
# White text should be seen ok with this background color
def get_valid_color():
color = [0, 0, 0]
total = 0
for i in range(0, 3):
color[i] = random.randint(0, 255)
total += color[i]
extra = total - 510
if extra > 0:
i = random.randint(0, 2)
color[i] -= extra
return color