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/*
* Copyright (c) 2002 and later by MH Software-Entwicklung. All Rights Reserved.
*  
* JTattoo is multiple licensed. If your are an open source developer you can use
* it under the terms and conditions of the GNU General Public License version 2.0
* or later as published by the Free Software Foundation.
*  
* see: gpl-2.0.txt
* 
* If you pay for a license you will become a registered user who could use the
* software under the terms and conditions of the GNU Lesser General Public License
* version 2.0 or later with classpath exception as published by the Free Software
* Foundation.
* 
* see: lgpl-2.0.txt
* see: classpath-exception.txt
* 
* Registered users could also use JTattoo under the terms and conditions of the 
* Apache License, Version 2.0 as published by the Apache Software Foundation.
*  
* see: APACHE-LICENSE-2.0.txt
*/

package com.jtattoo.plaf;

import java.awt.AlphaComposite;
import java.awt.Composite;
import java.awt.Graphics;
import java.awt.Graphics2D;

import javax.swing.Action;
import javax.swing.Icon;

/**
 * @author Michael Hagen
 */
public class BaseTitleButton extends NoFocusButton {

  private float alpha = 1.0f;

  public BaseTitleButton(Action action, String accessibleName, Icon icon, float alpha) {
    setContentAreaFilled(false);
    setBorderPainted(false);
    setAction(action);
    setText(null);
    setIcon(icon);
    putClientProperty("paintActive", Boolean.TRUE);
    getAccessibleContext().setAccessibleName(accessibleName);
    this.alpha = Math.max(0.2f, alpha);
  }

  public void paint(Graphics g) {
    if (JTattooUtilities.isActive(this) || (alpha >= 1.0)) {
      super.paint(g);
    }
    else {
      Graphics2D g2D = (Graphics2D) g;
      Composite savedComposite = g2D.getComposite();
      AlphaComposite alphaComposite = AlphaComposite.getInstance(AlphaComposite.SRC_OVER, alpha);
      g2D.setComposite(alphaComposite);
      super.paint(g);
      g2D.setComposite(savedComposite);
    }
  }

}