/*
* $Id: GradientThumbRenderer.java 3701 2010-05-12 18:04:24Z kschaefe $
*
* Copyright 2004 Sun Microsystems, Inc., 4150 Network Circle,
* Santa Clara, California 95054, U.S.A. All rights reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
package org.hdesktop.swingx.color;
import java.awt.Color;
import java.awt.Graphics;
import java.awt.Image;
import javax.imageio.ImageIO;
import javax.swing.JComponent;
import org.hdesktop.swingx.JXMultiThumbSlider;
import org.hdesktop.swingx.multislider.ThumbRenderer;
public class GradientThumbRenderer extends JComponent implements ThumbRenderer {
private Image thumb_black;
private Image thumb_gray;
public GradientThumbRenderer() {
super();
try {
thumb_black = ImageIO.read(GradientThumbRenderer.class.getResourceAsStream("/icons/thumb_black.png"));
thumb_gray = ImageIO.read(GradientThumbRenderer.class.getResourceAsStream("/icons/thumb_gray.png"));
} catch (Exception ex) {
// ex.printStackTrace();
}
}
private boolean selected;
@Override
protected void paintComponent(Graphics g) {
JComponent thumb = this;
int w = thumb.getWidth();
g.setColor(getForeground());
g.fillRect(0, 0, w - 1, w - 1);
if (selected) {
g.drawImage(thumb_black, 0, 0, null);
} else {
g.drawImage(thumb_gray, 0, 0, null);
}
}
public JComponent getThumbRendererComponent(JXMultiThumbSlider slider, int index, boolean selected) {
Color c = (Color)slider.getModel().getThumbAt(index).getObject();
c = ColorUtil.removeAlpha(c);
this.setForeground(c);
this.selected = selected;
return this;
}
}