private static JFreeChart createChart(PieDataset dataset, String title) {
JFreeChart chart = ChartFactory.createPieChart3D(title, dataset, true, true, false);
PiePlot3D plot = (PiePlot3D) chart.getPlot();
plot.setStartAngle(290.0d);
plot.setDirection(Rotation.CLOCKWISE);
plot.setForegroundAlpha(JFreeChart.DEFAULT_BACKGROUND_IMAGE_ALPHA);
return chart;
}
private static JFreeChart createChart(PieDataset piedataset) {
JFreeChart jfreechart =
ChartFactory.createPieChart3D("Statitic", piedataset, true, false, false);
PiePlot3D pieplot3d = (PiePlot3D) jfreechart.getPlot();
pieplot3d.setStartAngle(270D);
pieplot3d.setDirection(Rotation.ANTICLOCKWISE);
pieplot3d.setForegroundAlpha(0.6F);
return jfreechart;
}
// creates JFreeChart pie chart with data set
private JFreeChart createPieChart(PieDataset dataSet, String title) {
JFreeChart chart =
ChartFactory.createPieChart3D(
title, // chart title
dataSet, // data
true, // include legend
true, false);
PiePlot3D plot = (PiePlot3D) chart.getPlot();
plot.setStartAngle(290);
plot.setDirection(Rotation.CLOCKWISE);
plot.setForegroundAlpha(0.5f);
return chart;
}
private JFreeChart createChart(final PieDataset dataset) {
final JFreeChart chart =
ChartFactory.createPieChart3D(
"Pie Chart 3D Demo 1 ", // chart title
dataset, // data
true, // include legend
true,
false);
final PiePlot3D plot = (PiePlot3D) chart.getPlot();
plot.setStartAngle(290);
plot.setDirection(Rotation.CLOCKWISE);
plot.setForegroundAlpha(0.5f);
plot.setNoDataMessage("No data to display");
return chart;
}
public InputStream create3DPieChart(String title, PieDataset data, int pngwidth, int pngheight)
throws IOException {
JFreeChart localJFreeChart = ChartFactory.createPieChart3D(title, data, true, true, false);
PiePlot3D localPiePlot3D = (PiePlot3D) localJFreeChart.getPlot();
localPiePlot3D.setStartAngle(290.0D);
localPiePlot3D.setDirection(Rotation.CLOCKWISE);
localPiePlot3D.setForegroundAlpha(0.5F);
localPiePlot3D.setNoDataMessage("No data to display");
localPiePlot3D.setSectionPaint(0, new Color(152, 251, 152));
localPiePlot3D.setSectionPaint(1, new Color(238, 221, 130));
localPiePlot3D.setSectionPaint(2, new Color(255, 62, 150));
localPiePlot3D.setSectionPaint(3, new Color(139, 0, 0));
localPiePlot3D.setSectionPaint(4, new Color(181, 181, 181));
ChartRenderingInfo info = new ChartRenderingInfo();
BufferedImage bi =
localJFreeChart.createBufferedImage(pngwidth, pngheight, BufferedImage.SCALE_FAST, info);
ByteArrayOutputStream bs = new ByteArrayOutputStream();
ImageOutputStream imOut = ImageIO.createImageOutputStream(bs);
ImageIO.write(bi, "GIF", imOut);
// scaledImage1ΪBufferedImage£¬jpgΪͼÏñµÄÀàÐÍ
InputStream istream = new ByteArrayInputStream(bs.toByteArray());
return istream;
}
