Source Code for Module pyjamas.Canvas.Color

 1  """ 
 2  * Copyright 2008 Google Inc. 
 3  * 
 4  * Licensed under the Apache License, Version 2.0 (the "License"); you may not 
 5  * use this file except in compliance with the License. You may obtain a copy of 
 6  * the License at 
 7  * 
 8  * http:#www.apache.org/licenses/LICENSE-2.0 
 9  * 
10  * Unless required by applicable law or agreed to in writing, software 
11  * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT 
12  * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the 
13  * License for the specific language governing permissions and limitations under 
14  * the License. 
15  """ 
16   
17   
18  """* 
19  * Simple Wrapper specifying a color in RGB format. 
20  * Provides various methods for converting to String representations 
21  * of the specified color for easy compatibility with various APIs 
22  """ 
23 -class Color: 
24       
25      """* 
26      * Create a using a valid CSSString. 
27      * We do not do any validation so be careful! 
28      """ 
29      """* 
30      * Create a object with the specified RGB 
31      * values. 
32      * 
33      * @param r red value 0-255 
34      * @param g green value 0-255 
35      * @param b blue value 0-255 
36      """ 
37      """* 
38      * Create a object with the specified RGBA 
39      * values. 
40      * 
41      * @param r red value 0-255 
42      * @param g green value 0-255 
43      * @param b blue value 0-255 
44      * @param a alpha channel value 0-1 
45      """ 
46 -    def __init__(self, r, g=None, b=None, a=None): 
47          if g is None and b is None and a is None: 
48              self.colorStr = r 
49          elif a is None: 
50              self.colorStr = "rgb(%d,%d,%d)" % (r, g, b) 
51          else: 
52              self.colorStr = "rgba(%d,%d,%d,%d)" % (r, g, b, a) 
53       
54 -    def __str__(self): 
55          return self.colorStr 
56       
57   
58   
59  """ 
60  * Some basic color strings that are often used for the web. 
61  * Compiler should optimize these out if they are not used. 
62  """ 
63  ALPHA_GREY = Color("rgba(0,0,0,0.3)") 
64  ALPHA_RED = Color("rgba(255,0,0,0.3)") 
65  BLACK = Color("#000000") 
66  BLUE = Color("#318ce0") 
67  BLUEVIOLET = Color("#8a2be2") 
68  CYAN = Color("#5fa2e0") 
69  GREEN = Color("#23ef24") 
70  GREY = Color("#a9a9a9") 
71  LIGHTGREY = Color("#eeeeee") 
72  ORANGE = Color("#f88247") 
73  PEACH = Color("#ffd393") 
74  PINK = Color("#ff00ff") 
75  RED = Color("#ff0000") 
76  SKY_BLUE = Color("#c6defa") 
77  WHITE = Color("#ffffff") 
78  YELLOW = Color("yellow") 
79  DARK_ORANGE = Color("#c44607") 
80  BRIGHT_ORANGE = Color("#fb5c0c") 
81  DARK_BLUE = Color("#0c6ac1") 
82