How to use

setLabelOutlinePaint

method

in

org.jfree.chart.plot.PiePlot

PiePlot plot = (PiePlot) chart.getPlot();
 plot.setLabelBackgroundPaint(null);
 plot.setLabelOutlinePaint(null);
 plot.setLabelShadowPaint(null);

/**
 * Creates a pie chart.
 *
 * @return A pie chart.
 */
private static JFreeChart createPieChart() {
  JFreeChart chart = ChartFactory.createPieChart(null, null,
      false, true, false);
  chart.setBackgroundPaint(Color.white);
  PiePlot plot = (PiePlot) chart.getPlot();
  plot.setBackgroundPaint(null);
  plot.setInsets(RectangleInsets.ZERO_INSETS);
  plot.setInteriorGap(0.06);
  plot.setStartAngle(0.0);
  plot.setLabelGenerator(null);
  plot.setBaseSectionOutlinePaint(Color.white);
  plot.setBaseSectionOutlineStroke(new BasicStroke(1.2f,
      BasicStroke.CAP_ROUND, BasicStroke.JOIN_ROUND));
  plot.setOutlineVisible(false);
  plot.setLabelBackgroundPaint(null);
  plot.setLabelOutlinePaint(null);
  plot.setLabelShadowPaint(null);
  plot.setLabelPadding(RectangleInsets.ZERO_INSETS);
  plot.setLabelFont(new Font("Dialog", Font.PLAIN, 12));
  plot.setLabelPaint(Color.gray);
  plot.setToolTipGenerator(new StandardPieToolTipGenerator("{2}"));
  return chart;
}

plot.setLabelGap(0.04);
plot.setLabelBackgroundPaint(Color.WHITE);
plot.setLabelOutlinePaint(Color.gray.brighter());
plot.setLabelShadowPaint(Color.WHITE);
plot.setLabelFont(ChartDefaults.defaultFont);

plot.setLabelGap(0.04);
plot.setLabelBackgroundPaint(ChartDefaults.transparent);
plot.setLabelOutlinePaint(Color.gray.brighter());
plot.setLabelShadowPaint(ChartDefaults.transparent);
plot.setLabelFont(ChartDefaults.defaultFont);

pieplot.setLabelOutlinePaint(findColor(labelOutlinePaint));