Draw Optimized Line : Line « 2D Graphics GUI « Java

Draw Optimized Line

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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * GNU General Public License for more details.
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// $Id: GraphicsUtil.java,v 1.4 2005/12/04 13:46:04 jesper Exp $

import javax.swing.*;
import java.awt.*;

 * @author johan
public class GraphicsUtil {
  public static void drawOptimizedLine(Graphics g, int x1, int y1, int x2, int y2) {
    if (g.getColor().getAlpha() < 255 && (x1 == x2 || y1 == y2))
      g.fillRect(x1 < x2 ? x1 : x2, y1 < y2 ? y1 : y2, Math.abs(x2 - x1) + 1, Math.abs(y2 - y1) + 1);
      g.drawLine(x1, y1, x2, y2);

  public static Rectangle calculateIntersectionClip(int x, int y, int width, int height, Shape originalClip) {
    Rectangle bounds = originalClip.getBounds();
    SwingUtilities.computeIntersection(x, y, width, height, bounds);
    return bounds;


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