xylineandshaperendererdemo1.java

在软件开发中用来绘制各种图表的源码

/* --------------------------------
 * XYLineAndShapeRendererDemo1.java
 * --------------------------------
 * (C) Copyright 2004, 2005, by Object Refinery Limited.
 *
 */

package demo;

import javax.swing.JPanel;

import org.jfree.chart.ChartFactory;
import org.jfree.chart.ChartPanel;
import org.jfree.chart.JFreeChart;
import org.jfree.chart.labels.StandardXYToolTipGenerator;
import org.jfree.chart.plot.PlotOrientation;
import org.jfree.chart.plot.XYPlot;
import org.jfree.chart.renderer.xy.XYLineAndShapeRenderer;
import org.jfree.data.xy.XYDataset;
import org.jfree.data.xy.XYSeries;
import org.jfree.data.xy.XYSeriesCollection;
import org.jfree.ui.ApplicationFrame;
import org.jfree.ui.RefineryUtilities;

/**
 * A simple demonstration of the {@link XYLineAndShapeRenderer} class.
 */
public class XYLineAndShapeRendererDemo1 extends ApplicationFrame {

    /**
     * Constructs the demo application.
     *
     * @param title  the frame title.
     */
    public XYLineAndShapeRendererDemo1(String title) {

        super(title);
        XYDataset dataset = createDataset();
        JFreeChart chart = createChart(dataset);
        ChartPanel chartPanel = new ChartPanel(chart);
        chartPanel.setPreferredSize(new java.awt.Dimension(500, 300));
        setContentPane(chartPanel);

    }
    
    /**
     * Creates a sample chart.
     * 
     * @param dataset  a dataset for the chart.
     * 
     * @return A sample chart.
     */
    private static JFreeChart createChart(XYDataset dataset) {
        JFreeChart chart = ChartFactory.createXYLineChart(
            "XYLineAndShapeRenderer Demo 1",
            "X",
            "Y",
            dataset,
            PlotOrientation.VERTICAL,
            true,
            true,
            false
        );
        XYPlot plot = (XYPlot) chart.getPlot();
        XYLineAndShapeRenderer renderer = new XYLineAndShapeRenderer();
        renderer.setSeriesLinesVisible(0, true);
        renderer.setSeriesShapesVisible(0, false);
        renderer.setSeriesLinesVisible(1, false);
        renderer.setSeriesShapesVisible(1, true);
        renderer.setToolTipGenerator(new StandardXYToolTipGenerator());
        renderer.setDefaultEntityRadius(6);
        plot.setRenderer(renderer);
        return chart;
    }
    
    /**
     * Creates a sample dataset.
     * 
     * @return A dataset.
     */
    private static XYDataset createDataset() {
        XYSeries series1 = new XYSeries("Series 1");
        series1.add(1.0, 3.3);
        series1.add(2.0, 4.4);
        series1.add(3.0, 1.7);
        XYSeries series2 = new XYSeries("Series 2");
        series2.add(1.0, 7.3);
        series2.add(2.0, 6.8);
        series2.add(3.0, 9.6);
        series2.add(4.0, 5.6);
        XYSeriesCollection dataset = new XYSeriesCollection();
        dataset.addSeries(series1);
        dataset.addSeries(series2);
        return dataset;
    }

    /**
     * Creates a panel for the demo (used by SuperDemo.java).
     * 
     * @return A panel.
     */
    public static JPanel createDemoPanel() {
        JFreeChart chart = createChart(createDataset());
        return new ChartPanel(chart);
    }
    
    /**
     * Starting point for the demonstration application.
     *
     * @param args  ignored.
     */
    public static void main(String[] args) {

        XYLineAndShapeRendererDemo1 demo = new XYLineAndShapeRendererDemo1(
            "XYLineAndShapeRenderer Demo"
        );
        demo.pack();
        RefineryUtilities.centerFrameOnScreen(demo);
        demo.setVisible(true);

    }

}