edu.cuny.jfree.chart.plot.MyMeterPlot.java Source code

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Here is the source code for edu.cuny.jfree.chart.plot.MyMeterPlot.java

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/*
 * JCAT - TAC Market Design Competition Platform
 * Copyright (C) 2006-2010 Jinzhong Niu, Kai Cai
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License as
 * published by the Free Software Foundation; either version 2 of
 * the License, or (at your option) any later version.
 *
 * This program 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 General Public License for more details.
 */

package edu.cuny.jfree.chart.plot;

import java.awt.Graphics2D;
import java.awt.Paint;
import java.awt.Stroke;
import java.awt.geom.Rectangle2D;

import org.jfree.chart.plot.MeterInterval;
import org.jfree.chart.plot.MeterPlot;
import org.jfree.data.general.ValueDataset;

/**
 * A customized <code>org.jfree.chart.plot.MeterPlot</code>, which do not show
 * the bound labels of <code>org.jfree.chart.plot.MeterInterval</code>s.
 * 
 * @author Jinzhong Niu
 * @version $Revision: 1.6 $
 */

public class MyMeterPlot extends MeterPlot {

    /**
     * 
     */
    private static final long serialVersionUID = 1L;

    public MyMeterPlot() {
        super(null);
    }

    public MyMeterPlot(final ValueDataset dataset) {
        super(dataset);
    }

    /**
     * Draws the arc to represent an interval.
     * 
     * @param g2
     *          the graphics device.
     * @param meterArea
     *          the drawing area.
     * @param interval
     *          the interval.
     */
    @Override
    protected void drawArcForInterval(final Graphics2D g2, final Rectangle2D meterArea,
            final MeterInterval interval) {

        final double minValue = interval.getRange().getLowerBound();
        final double maxValue = interval.getRange().getUpperBound();
        final Paint outlinePaint = interval.getOutlinePaint();
        final Stroke outlineStroke = interval.getOutlineStroke();
        final Paint backgroundPaint = interval.getBackgroundPaint();

        if (backgroundPaint != null) {
            fillArc(g2, meterArea, minValue, maxValue, backgroundPaint, false);
        }
        if (outlinePaint != null) {
            if (outlineStroke != null) {
                drawArc(g2, meterArea, minValue, maxValue, outlinePaint, outlineStroke);
            }

            final boolean isOutlineInterval = interval.getOutlinePaint() == getDialOutlinePaint();
            drawTick(g2, meterArea, minValue, isOutlineInterval);
            drawTick(g2, meterArea, maxValue, isOutlineInterval);
        }
    }

}