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PODouble buffering in Jython
 

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    <p>recently I started learning Jython and now I have rather simply problem. I would like to improve quality of my animation. Unfortunately I don't know how to add double buffering to my applet . Could you help me? Best regards!</p> <pre><code>from javax.swing import JToolBar from javax.swing import JButton from javax.swing import JFrame import time from java import awt from java.awt import BorderLayout class Canvas(awt.Canvas): u"Canvas - drawing area" def __init__(self,winSize = 400): self.play = False self.background=awt.Color.black self.winSize = winSize self.l = 0 def playSim(self, play): if play == True: self.play = True self.repaint() else: self.play = False def paint(self, g): g.fillRect(50, int(self.winSize/4), self.l, int(self.winSize/2)) if self.l &lt; self.winSize: self.l += 1 else: self.l = 0 time.sleep(0.02) if self.play == True: self.repaint() class Example(JFrame): def __init__(self): super(Example, self).__init__() self.initUI() def initUI(self): winSize = 600 toolbar = JToolBar() self.playButton = JButton("Start", actionPerformed=self.playButtonPress ) toolbar.add(self.playButton) self.add(toolbar, BorderLayout.NORTH) self.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE) self.setSize(winSize, winSize) self.setResizable(False) self.setLocationRelativeTo(None) self.setVisible(True) self.canvas = Canvas(winSize) self.getContentPane().add(self.canvas) self.setTitle("TEST") self.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE) def playButtonPress(self, e): if self.playButton.getLabel() == "Start": self.canvas.playSim(True) self.playButton.setLabel("Stop") else: self.playButton.setLabel("Start") self.canvas.playSim(False) if __name__ == '__main__': Example() </code></pre>
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    1. COPlease indicate what research you have done and why they don't help. E.g. is http://stackoverflow.com/questions/581085/double-buffering-with-wxpython applicable, or is that call not available?
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