Name: gsC80088 Date: 02/18/99


When an image or filled shape is clipped, it isn't antialiased along the clipping path. Here's a sample program illustrating the problem -- it draws a filled rectangle, clipped by an ellipse.

import java.awt.*;
import java.awt.geom.*;

public class Clipper extends Canvas {

  public static void main(String args[]) {
    Canvas canvas = new Clipper();
    Frame frame = new Frame();
    frame.setSize(640, 480);
    frame.add("Center", canvas);
    frame.show();
  }

  public void paint(Graphics g) {
    Graphics2D g2d = (Graphics2D) g;
    g2d.setRenderingHint(RenderingHints.KEY_RENDERING, RenderingHints.VALUE_RENDER_QUALITY);
    g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
    g2d.setColor(Color.red);
    g2d.clip(new Ellipse2D.Float(100, 100, 300, 200));
    g2d.fillRect(100, 100, 300, 200);
  }
}
(Review ID: 54362)
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