thermometerdemo2.java

来自「jfreechart1.0.6源程序,没有注释,不过都能运行起来」· Java 代码 · 共 49 行

package demo;

import java.awt.Color;
import javax.swing.JPanel;
import org.jfree.chart.ChartPanel;
import org.jfree.chart.JFreeChart;
import org.jfree.chart.plot.ThermometerPlot;
import org.jfree.data.general.DefaultValueDataset;
import org.jfree.ui.ApplicationFrame;
import org.jfree.ui.RefineryUtilities;

public class ThermometerDemo2 extends ApplicationFrame
{

    public ThermometerDemo2(String s)
    {
        super(s);
        JPanel jpanel = createDemoPanel();
        setContentPane(jpanel);
    }

    private static JFreeChart createChart()
    {
        DefaultValueDataset defaultvaluedataset = new DefaultValueDataset(37.200000000000003D);
        ThermometerPlot thermometerplot = new ThermometerPlot(defaultvaluedataset);
        JFreeChart jfreechart = new JFreeChart("ThermometerDemo2", thermometerplot);
        jfreechart.setBackgroundPaint(Color.white);
        return jfreechart;
    }

    public static JPanel createDemoPanel()
    {
        JFreeChart jfreechart = createChart();
        return new ChartPanel(jfreechart);
    }

    public static void main(String args[])
    {
        ThermometerDemo2 thermometerdemo2 = new ThermometerDemo2("JFreeChart: ThermometerDemo2.java");
        thermometerdemo2.pack();
        RefineryUtilities.centerFrameOnScreen(thermometerdemo2);
        thermometerdemo2.setVisible(true);
    }
}