org.jdesktop.swingx.painter.BusyPainter Maven / Gradle / Ivy

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/*
 * $Id: BusyPainter.java,v 1.5 2007/03/26 21:25:19 rbair Exp $
 *
 * Copyright 2006 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.jdesktop.swingx.painter;

import java.awt.Color;
import java.awt.Graphics2D;
import java.awt.geom.RoundRectangle2D;
import org.jdesktop.swingx.color.ColorUtil;

/**
 * A specific painter that paints an "infinite progress" like animation.
 *
 */
public class BusyPainter extends AbstractPainter {
    private int frame = -1;
    private boolean skewed = false;
    private int points = 8;
    private float barWidth = 4;
    private float barLength = 8;
    private float centerDistance = 5;
    
    private Color baseColor = new Color(200,200,200);
    private Color highlightColor = Color.BLACK;
    private int trailLength = 4;

    /**
     * @inheritDoc
     */
    @Override
    protected void doPaint(Graphics2D g, T t, int width, int height) {
        RoundRectangle2D rect = new RoundRectangle2D.Float(getCenterDistance(), -getBarWidth()/2,
                getBarLength(), getBarWidth(),
                getBarWidth(), getBarWidth());
        if(skewed) {
            rect = new RoundRectangle2D.Float(5,getBarWidth()/2,8, getBarWidth(),
                    getBarWidth(), getBarWidth());
        }
        g.setColor(Color.GRAY);
        
        g.translate(width/2,height/2);
        for(int i=0; i