Source Code for Module pyjamas.Canvas.CanvasGradientImplIE6

 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  import math 
18   
19   
20   
21  from pyjamas.Canvas.ColorStop import ColorStop 
22   
23  """* 
24  * Gradients for IE6 implementation need some extra meta info. 
25  """ 
26 -class CanvasGradientImplIE6: 
27 -    def __init__(self, x0, y0, x1, y1): 
28          self.startX = x0 
29          self.startY = y0 
30          self.endX = x1 
31          self.endY = y1 
32          self.startRad = 0 
33          self.endRad = 0 
34          self.dx = x1 - x0 
35          self.dy = y1 - y0 
36          self.length =  math.sqrt((self.dx * self.dx) + (self.dy * self.dy)) 
37          self.angle = int(math.atan(self.dx / self.dy) * 180 / math.pi) + 180 
38           
39          self.colorStops = [] 
40       
41 -    def addColorStop(self, offset, color): 
42          newColorStop = ColorStop(offset, color) 
43          for i in range(len(self.colorStops)): 
44              cs = self.colorStops[i] 
45              if offset < cs.offset: 
46                  self.colorStops.append(i, newColorStop) 
47                  return 
48               
49          self.colorStops.append(newColorStop) 
50       
51       
52      """* 
53      * Creates an equivalent copy of this Gradient object. 
54      * 
55      * @return returns an equivalent copy of this gradient object 
56      """ 
57 -    def cloneGradient(self): 
58          pass 
59