The Java Developers Almanac 1.4


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Home > List of Packages > java.awt  [78 examples] > Drawing  [7 examples]

e577. Enabling Antialiasing

    // See e575 The Quintessential Drawing Program
    public void paint(Graphics g) {
        // Retrieve the graphics context; this object is used to paint shapes
        Graphics2D g2d = (Graphics2D)g;
    
        // Determine if antialiasing is enabled
        RenderingHints rhints = g2d.getRenderingHints();
        boolean antialiasOn = rhints.containsValue(RenderingHints.VALUE_ANTIALIAS_ON);
    
        // Enable antialiasing for shapes
        g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING,
                             RenderingHints.VALUE_ANTIALIAS_ON);
    
        // Disable antialiasing for shapes
        g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING,
                             RenderingHints.VALUE_ANTIALIAS_OFF);
    
        // Draw shapes...; see e586 Drawing Simple Shapes
    
        // Enable antialiasing for text
        g2d.setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING,
                             RenderingHints.VALUE_TEXT_ANTIALIAS_ON);
    
        // Draw text...; see e591 Drawing Simple Text
    
        // Disable antialiasing for text
        g2d.setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING,
                             RenderingHints.VALUE_TEXT_ANTIALIAS_OFF);
    }

 Related Examples
e575. The Quintessential Drawing Program
e576. Drawing with Alpha
e578. Setting the Clipping Area with a Shape
e579. Changing the Thickness of the Stroking Pen
e580. Stroking or Filling with a Texture
e581. Animating an Array of Images in an Application

See also: Colors    Components    Containers    Cursors    Events    Focus    Frames    GridBagLayout    Images    Shapes    Simulating Events    Text    The Screen   


© 2002 Addison-Wesley.