org.jfree.chart.renderer.xy.XYSplineRenderer Java Examples

The following examples show how to use org.jfree.chart.renderer.xy.XYSplineRenderer. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example #1
Source File: ChartWriter.java    From kurento-java with Apache License 2.0 6 votes vote down vote up 
public void drawChart(String filename, int width, int height) throws IOException {
  // Create plot
  NumberAxis xAxis = new NumberAxis(xAxisLabel);
  NumberAxis yAxis = new NumberAxis(yAxisLabel);
  XYSplineRenderer renderer = new XYSplineRenderer();
  XYPlot plot = new XYPlot(dataset, xAxis, yAxis, renderer);
  plot.setBackgroundPaint(Color.lightGray);
  plot.setDomainGridlinePaint(Color.white);
  plot.setRangeGridlinePaint(Color.white);
  plot.setAxisOffset(new RectangleInsets(4, 4, 4, 4));

  // Create chart
  JFreeChart chart = new JFreeChart(chartTitle, JFreeChart.DEFAULT_TITLE_FONT, plot, true);
  ChartUtilities.applyCurrentTheme(chart);
  ChartPanel chartPanel = new ChartPanel(chart, false);

  // Draw png
  BufferedImage bi = new BufferedImage(width, height, BufferedImage.TYPE_INT_BGR);
  Graphics graphics = bi.getGraphics();
  chartPanel.setBounds(0, 0, width, height);
  chartPanel.paint(graphics);
  ImageIO.write(bi, "png", new File(filename));
}
Example #2
Source File: SplineCustomizer.java    From jasperreports with GNU Lesser General Public License v3.0 5 votes vote down vote up 
@Override
public void customize(JFreeChart jfc, JRChart jrc) 
{
	Plot plot = jfc.getPlot();
	if (plot instanceof XYPlot)
	{
		((XYPlot)plot).setRenderer( new XYSplineRenderer());
	}
}
Example #3
Source File: XYSplineRendererTests.java    From astor with GNU General Public License v2.0 5 votes vote down vote up 
/**
 * Test that the equals() method distinguishes all fields.
 */
public void testEquals() {

    XYSplineRenderer r1 = new XYSplineRenderer();
    XYSplineRenderer r2 = new XYSplineRenderer();
    assertEquals(r1, r2);
    assertEquals(r2, r1);

    r1.setPrecision(9);
    assertFalse(r1.equals(r2));
    r2.setPrecision(9);
    assertTrue(r1.equals(r2));
}
Example #4
Source File: XYSplineRendererTests.java    From astor with GNU General Public License v2.0 5 votes vote down vote up 
/**
 * Two objects that are equal are required to return the same hashCode.
 */
public void testHashcode() {
    XYSplineRenderer r1 = new XYSplineRenderer();
    XYSplineRenderer r2 = new XYSplineRenderer();
    assertTrue(r1.equals(r2));
    int h1 = r1.hashCode();
    int h2 = r2.hashCode();
    assertEquals(h1, h2);
}
Example #5
Source File: XYSplineRendererTests.java    From astor with GNU General Public License v2.0 4 votes vote down vote up 
/**
 * Verify that this class implements {@link PublicCloneable}.
 */
public void testPublicCloneable() {
    XYSplineRenderer r1 = new XYSplineRenderer();
    assertTrue(r1 instanceof PublicCloneable);
}