Source Code for Module SmootLight.util.ColorOps

 1  import random 
 2  import colorsys 
 3  from util.TimeOps import Stopwatch 
 4 -def randomColor(): 
 5      return [random.randint(0,255) for i in range(3)] 
 6   
 7 -def chooseRandomColor(colorList): 
 8      """Given a list of colors, pick one at random""" 
 9      return random.choice(colorList) 
10 -def safeColor(c): 
11      """Ensures that a color is valid""" 
12      c[0] = c[0] if c[0] < 255 else 255 
13      c[1] = c[1] if c[1] < 255 else 255 
14      c[2] = c[2] if c[2] < 255 else 255 
15   
16       
17      return c 
18   
19 -def combineColors(colors): 
20      result = [0,0,0] 
21      for c in colors: 
22          result[0] += c[0] 
23          result[1] += c[1] 
24          result[2] += c[2] 
25      return safeColor(result) 
26   
27 -def multiplyColor(color, percent): 
28      return safeColor([channel*(percent) for channel in color]) 
29   
30 -def floatToIntColor(rgb): 
31      rgb[0] = int(rgb[0]*256 + .5) 
32      rgb[1] = int(rgb[1]*256 + .5) 
33      rgb[2] = int(rgb[2]*256 + .5) 
34      return safeColor(rgb) 
35   
36 -def randomBrightColor(): 
37      hue = random.random() 
38      sat = random.random()/2.0 + .5 
39      val = 1.0 
40      hue, sat, val = colorsys.hsv_to_rgb(hue, sat, val) 
41      ret = [hue, sat, val] 
42      return floatToIntColor(ret) 
43   
44 -class Color(object): 
45 -    def __init__(self, r,g,b): 
46          self.rep = [r,g,b] 
47