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What this is

This file is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

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The source code

package com.incors.plaf.kunststoff;

/*
 * This code was developed by INCORS GmbH (www.incors.com)
 * It is published under the terms of the Lesser GNU Public License.
 *
 * The original class was contributed by
 * Julien Ponge
 * julien@izforge.com
 * http://www.izforge.com/
 *
 */

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

public class KunststoffProgressBarUI extends BasicProgressBarUI {

  // Creates the UI
  public static ComponentUI createUI(JComponent x) {
      return new KunststoffProgressBarUI();
  }

  public void paint(Graphics g, JComponent c) {
    super.paint(g, c);

    JProgressBar prog = (JProgressBar) c;
    if (prog.getOrientation() == JProgressBar.HORIZONTAL) {

      // paint upper gradient
      Color colorReflection = KunststoffLookAndFeel.getComponentGradientColorReflection();
      if (colorReflection != null) {
        Color colorReflectionFaded = KunststoffUtilities.getTranslucentColor(colorReflection, 0);
        Rectangle rect = new Rectangle(0, 0, c.getWidth(), c.getHeight()/2);
        KunststoffUtilities.drawGradient(g, colorReflection, colorReflectionFaded, rect, true);
      }

      // paint lower gradient
      Color colorShadow = KunststoffLookAndFeel.getComponentGradientColorShadow();
      if (colorShadow != null) {
        Color colorShadowFaded = KunststoffUtilities.getTranslucentColor(colorShadow, 0);
        Rectangle rect = new Rectangle(0, c.getHeight()/2, c.getWidth(), c.getHeight()/2);
        KunststoffUtilities.drawGradient(g, colorShadowFaded, colorShadow, rect, true);
      }

    } else { // if progress bar is vertical

      // paint left gradient
      Color colorReflection = KunststoffLookAndFeel.getComponentGradientColorReflection();
      if (colorReflection != null) {
        Color colorReflectionFaded = KunststoffUtilities.getTranslucentColor(colorReflection, 0);
        Rectangle rect = new Rectangle(0, 0, c.getWidth()/2, c.getHeight());
        KunststoffUtilities.drawGradient(g, colorReflection, colorReflectionFaded, rect, false);
      }

      // paint right gradient
      Color colorShadow = KunststoffLookAndFeel.getComponentGradientColorShadow();
      if (colorShadow != null) {
        Color colorShadowFaded = KunststoffUtilities.getTranslucentColor(colorShadow, 0);
        Rectangle rect = new Rectangle(c.getWidth()/2, 0, c.getWidth()/2, c.getHeight());
        KunststoffUtilities.drawGradient(g, colorShadowFaded, colorShadow, rect, false);
      }
    }
  }
}
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