Java StackedXYAreaRenderer2类代码示例

import org.jfree.chart.renderer.xy.StackedXYAreaRenderer2; //导入依赖的package包/类
/**
 * Test chart drawing with an empty dataset to ensure that this special
 * case doesn't cause any exceptions.
 */
public void testDrawWithEmptyDataset() {
    boolean success = false;
    JFreeChart chart = ChartFactory.createStackedXYAreaChart("title", "x",
            "y", new DefaultTableXYDataset(), PlotOrientation.VERTICAL,
            true, false, false);
    XYPlot plot = (XYPlot) chart.getPlot();
    plot.setRenderer(new StackedXYAreaRenderer2());
    try {
        BufferedImage image = new BufferedImage(200 , 100, 
                BufferedImage.TYPE_INT_RGB);
        Graphics2D g2 = image.createGraphics();
        chart.draw(g2, new Rectangle2D.Double(0, 0, 200, 100), null, null);
        g2.dispose();
        success = true;
    }
    catch (Exception e) {
        success = false;
    }
    assertTrue(success);
}
 

import org.jfree.chart.renderer.xy.StackedXYAreaRenderer2; //导入依赖的package包/类
/**
 * Check that the renderer is calculating the range bounds correctly.
 */
public void testFindRangeBounds() {
    TableXYDataset dataset 
            = RendererXYPackageTests.createTestTableXYDataset();
    JFreeChart chart = ChartFactory.createStackedXYAreaChart(
            "Test Chart", "X", "Y", dataset, PlotOrientation.VERTICAL, 
            false, false, false);
    XYPlot plot = (XYPlot) chart.getPlot();
    StackedXYAreaRenderer2 renderer = new StackedXYAreaRenderer2();
    plot.setRenderer(renderer);
    NumberAxis rangeAxis = (NumberAxis) plot.getRangeAxis();
    Range bounds = rangeAxis.getRange();
    assertTrue(bounds.contains(6.0));
    assertTrue(bounds.contains(8.0));
    
    // try null argument
    assertNull(renderer.findRangeBounds(null));
    
    // try empty dataset
    assertNull(renderer.findRangeBounds(new DefaultTableXYDataset()));
}
 

import org.jfree.chart.renderer.xy.StackedXYAreaRenderer2; //导入依赖的package包/类
/**
   * Creates a sample chart.
   * 
   * @param dataset  the dataset for the chart.
   * 
   * @return a sample chart.
   */
  protected JFreeChart createChart(TableXYDataset dataset) {

      JFreeChart chart = ChartFactory.createStackedXYAreaChart(
          chartTitle,  // chart title
          domainLabel,                       // domain axis label
          rangeLabel,                       // range axis label
          dataset,                         // data
          PlotOrientation.VERTICAL,        // the plot orientation
          !legendPanelOn,                            // legend
          true,                            // tooltips
          false                            // urls
      );
      XYPlot plot = (XYPlot) chart.getPlot();
      StackedXYAreaRenderer2 renderer = new StackedXYAreaRenderer2(); 
      renderer.setBaseToolTipGenerator(new StandardXYToolTipGenerator());
      plot.setRenderer(0, renderer);    

renderer.setLegendItemLabelGenerator(new SOCRXYSeriesLabelGenerator()); 
setXSummary(dataset);   
      return chart;
      
  }
 

import org.jfree.chart.renderer.xy.StackedXYAreaRenderer2; //导入依赖的package包/类
/**
   * Creates a sample chart.
   * 
   * @param dataset  the dataset for the chart.
   * 
   * @return a sample chart.
   */
  protected JFreeChart createChart(TableXYDataset dataset) {

      JFreeChart chart = ChartFactory.createStackedXYAreaChart(
          chartTitle,  // chart title
          domainLabel,                       // domain axis label
          rangeLabel,                       // range axis label
          dataset,                         // data
          PlotOrientation.VERTICAL,        // the plot orientation
          !legendPanelOn,                            // legend
          true,                            // tooltips
          false                            // urls
      );
      XYPlot plot = (XYPlot) chart.getPlot();
      StackedXYAreaRenderer2 renderer = new StackedXYAreaRenderer2(); 
      renderer.setBaseToolTipGenerator(new StandardXYToolTipGenerator());
      plot.setRenderer(0, renderer);  

renderer.setLegendItemLabelGenerator(new SOCRXYSeriesLabelGenerator());

setXSummary(dataset);
      return chart;
      
  }
 

import org.jfree.chart.renderer.xy.StackedXYAreaRenderer2; //导入依赖的package包/类
/**
    * Creates a chart.
    * 
    * @param dataset  the dataset.
    * 
    * @return a chart.
    */
   protected JFreeChart createChart(TableXYDataset dataset) {
        // create the chart...
       JFreeChart chart = ChartFactory.createStackedXYAreaChart(
           chartTitle,      // chart title
           domainLabel,                      // x axis label
           rangeLabel,                      // y axis label
           dataset,                  // data
           PlotOrientation.VERTICAL,
           !legendPanelOn,                     // include legend
           true,                     // tooltips
           false                     // urls
       );

	XYPlot plot = (XYPlot) chart.getPlot();
       StackedXYAreaRenderer2 renderer = new StackedXYAreaRenderer2(); 
       renderer.setBaseToolTipGenerator(new StandardXYToolTipGenerator());
       plot.setRenderer(0, renderer);        
       return chart;
       
}
 

import org.jfree.chart.renderer.xy.StackedXYAreaRenderer2; //导入依赖的package包/类
protected JFreeChart createLegend(TableXYDataset dataset) {
      
//  JFreeChart chart = ChartFactory.createAreaChart(
JFreeChart chart = ChartFactory.createStackedXYAreaChart(
           chartTitle,      // chart title
           domainLabel,                      // x axis label
           rangeLabel,                      // y axis label
           dataset,                  // data
           PlotOrientation.VERTICAL,
           true,                     // include legend
           true,                     // tooltips
           false                     // urls
       );

       // NOW DO SOME OPTIONAL CUSTOMISATION OF THE CHART...
XYPlot plot = (XYPlot) chart.getPlot();
   StackedXYAreaRenderer2 renderer = new StackedXYAreaRenderer2(); 
   renderer.setBaseToolTipGenerator(new StandardXYToolTipGenerator());
   plot.setRenderer(0, renderer);   
   renderer.setLegendItemLabelGenerator(new SOCRXYSeriesLabelGenerator());
       return chart;
       
   }
 

import org.jfree.chart.renderer.xy.StackedXYAreaRenderer2; //导入依赖的package包/类
private JFreeChart createTableXYAreaChart(String title, String xLabel, String yLabel, TableXYDataset dataset) {
 JFreeChart chart = ChartFactory.createStackedXYAreaChart(
           title,      // chart title
           xLabel,                      // x axis label
           yLabel,                      // y axis label
           dataset,                  // data
          orientation,
           true,                     // include legend
           true,                     // tooltips
           false                     // urls
       );

	XYPlot plot = (XYPlot) chart.getPlot();
       StackedXYAreaRenderer2 renderer = new StackedXYAreaRenderer2();
      // renderer.setToolTipGenerator(new StandardXYToolTipGenerator());
       plot.setRenderer(0, renderer);

       return chart;
}
 

import org.jfree.chart.renderer.xy.StackedXYAreaRenderer2; //导入依赖的package包/类
/**
 * Test chart drawing with an empty dataset to ensure that this special
 * case doesn't cause any exceptions.
 */
public void testDrawWithEmptyDataset() {
    boolean success = false;
    JFreeChart chart = ChartFactory.createStackedXYAreaChart("title", "x",
            "y", new DefaultTableXYDataset(), true);
    XYPlot plot = (XYPlot) chart.getPlot();
    plot.setRenderer(new StackedXYAreaRenderer2());
    try {
        BufferedImage image = new BufferedImage(200 , 100,
                BufferedImage.TYPE_INT_RGB);
        Graphics2D g2 = image.createGraphics();
        chart.draw(g2, new Rectangle2D.Double(0, 0, 200, 100), null, null);
        g2.dispose();
        success = true;
    }
    catch (Exception e) {
        success = false;
    }
    assertTrue(success);
}
 

import org.jfree.chart.renderer.xy.StackedXYAreaRenderer2; //导入依赖的package包/类
/**
 * Check that the renderer is calculating the range bounds correctly.
 */
public void testFindRangeBounds() {
    TableXYDataset dataset
            = RendererXYPackageTests.createTestTableXYDataset();
    JFreeChart chart = ChartFactory.createStackedXYAreaChart(
            "Test Chart", "X", "Y", dataset, false);
    XYPlot plot = (XYPlot) chart.getPlot();
    StackedXYAreaRenderer2 renderer = new StackedXYAreaRenderer2();
    plot.setRenderer(renderer);
    NumberAxis rangeAxis = (NumberAxis) plot.getRangeAxis();
    Range bounds = rangeAxis.getRange();
    assertTrue(bounds.contains(6.0));
    assertTrue(bounds.contains(8.0));

    // try null argument
    assertNull(renderer.findRangeBounds(null));

    // try empty dataset
    assertNull(renderer.findRangeBounds(new DefaultTableXYDataset()));
}
 

import org.jfree.chart.renderer.xy.StackedXYAreaRenderer2; //导入依赖的package包/类
/**
 * Creates a stacked XY area plot.  The chart object returned by this
 * method uses an {@link XYPlot} instance as the plot, with a
 * {@link NumberAxis} for the domain axis, a {@link NumberAxis} as the
 * range axis, and a {@link StackedXYAreaRenderer2} as the renderer.
 *
 * @param title  the chart title (<code>null</code> permitted).
 * @param xAxisLabel  a label for the X-axis (<code>null</code> permitted).
 * @param yAxisLabel  a label for the Y-axis (<code>null</code> permitted).
 * @param dataset  the dataset for the chart (<code>null</code> permitted).
 * @param legend  a flag specifying whether or not a legend is required.

 *
 * @return A stacked XY area chart.
 */
public static JFreeChart createStackedXYAreaChart(String title,
        String xAxisLabel, String yAxisLabel, TableXYDataset dataset,
        boolean legend) {

    NumberAxis xAxis = new NumberAxis(xAxisLabel);
    xAxis.setAutoRangeIncludesZero(false);
    xAxis.setLowerMargin(0.0);
    xAxis.setUpperMargin(0.0);
    NumberAxis yAxis = new NumberAxis(yAxisLabel);
    StackedXYAreaRenderer2 renderer = new StackedXYAreaRenderer2();
    renderer.setBaseToolTipGenerator(new StandardXYToolTipGenerator());
    renderer.setOutline(true);
    XYPlot plot = new XYPlot(dataset, xAxis, yAxis, renderer);
    plot.setRangeAxis(yAxis);  // forces recalculation of the axis range
    JFreeChart chart = new JFreeChart(title, JFreeChart.DEFAULT_TITLE_FONT,
            plot, legend);
    currentTheme.apply(chart);
    return chart;

}
 

import org.jfree.chart.renderer.xy.StackedXYAreaRenderer2; //导入依赖的package包/类
/**
 * Test that the equals() method distinguishes all fields.
 */
public void testEquals() {
    StackedXYAreaRenderer2 r1 = new StackedXYAreaRenderer2();
    StackedXYAreaRenderer2 r2 = new StackedXYAreaRenderer2();
    assertEquals(r1, r2);
    assertEquals(r2, r1);
    
    r1.setRoundXCoordinates(!r1.getRoundXCoordinates());
    assertFalse(r1.equals(r2));
    r2.setRoundXCoordinates(r1.getRoundXCoordinates());
    assertTrue(r1.equals(r2));
}
 

import org.jfree.chart.renderer.xy.StackedXYAreaRenderer2; //导入依赖的package包/类
/**
 * Two objects that are equal are required to return the same hashCode. 
 */
public void testHashcode() {
    StackedXYAreaRenderer2 r1 = new StackedXYAreaRenderer2();
    StackedXYAreaRenderer2 r2 = new StackedXYAreaRenderer2();
    assertTrue(r1.equals(r2));
    int h1 = r1.hashCode();
    int h2 = r2.hashCode();
    assertEquals(h1, h2);
}
 

import org.jfree.chart.renderer.xy.StackedXYAreaRenderer2; //导入依赖的package包/类
/**
 * Test that the equals() method distinguishes all fields.
 */
public void testEquals() {
    StackedXYAreaRenderer2 r1 = new StackedXYAreaRenderer2();
    StackedXYAreaRenderer2 r2 = new StackedXYAreaRenderer2();
    assertEquals(r1, r2);
    assertEquals(r2, r1);

    r1.setRoundXCoordinates(!r1.getRoundXCoordinates());
    assertFalse(r1.equals(r2));
    r2.setRoundXCoordinates(r1.getRoundXCoordinates());
    assertTrue(r1.equals(r2));
}
 

import org.jfree.chart.renderer.xy.StackedXYAreaRenderer2; //导入依赖的package包/类
/**
 * Two objects that are equal are required to return the same hashCode.
 */
public void testHashcode() {
    StackedXYAreaRenderer2 r1 = new StackedXYAreaRenderer2();
    StackedXYAreaRenderer2 r2 = new StackedXYAreaRenderer2();
    assertTrue(r1.equals(r2));
    int h1 = r1.hashCode();
    int h2 = r2.hashCode();
    assertEquals(h1, h2);
}
 

import org.jfree.chart.renderer.xy.StackedXYAreaRenderer2; //导入依赖的package包/类
public void fitnessGraph() {
    final FitnessDistributionDataset dataset = new FitnessDistributionDataset(this.eventBus);
    final JFreeChart chart = ChartFactory.createStackedXYAreaChart("Fitness distribution", "iteration", "distribution", dataset,
            PlotOrientation.VERTICAL, true, true, false);

    final StackedXYAreaRenderer2 stackedxyarearenderer2 = new StackedXYAreaRenderer2();
    ((XYPlot) chart.getPlot()).setRenderer(0, stackedxyarearenderer2);

    final ChartPanel panel = new ChartPanel(chart);
    final JFrame jFrame = new JFrame();
    jFrame.setContentPane(panel);
    jFrame.pack();
    jFrame.setVisible(true);
}