Example usage for org.jfree.chart.plot PiePlot setLabelPadding

Introduction

In this page you can find the example usage for org.jfree.chart.plot PiePlot setLabelPadding.

Prototype

public void setLabelPadding(RectangleInsets padding) 

Source Link

Document

Sets the padding between each label and its outline and sends a PlotChangeEvent to all registered listeners.

Usage

From source file:org.jfree.eastwood.ChartEngine.java

/**
 * Creates a pie chart.//ww w . ja  v a  2s  .  co m
 *
 * @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.darkGray);
    plot.setToolTipGenerator(new StandardPieToolTipGenerator("{2}"));
    return chart;
}

---

From source file:edu.jhuapl.graphs.jfreechart.JFreeChartPieGraphSource.java

@SuppressWarnings("unchecked")
@Override//from   w  w w.j  a v a  2s.c  o  m
public void initialize() throws GraphException {
    String title = getParam(GraphSource.GRAPH_TITLE, String.class, DEFAULT_TITLE);
    boolean legend = getParam(GraphSource.GRAPH_LEGEND, Boolean.class, DEFAULT_GRAPH_LEGEND);
    boolean graphToolTip = getParam(GraphSource.GRAPH_TOOL_TIP, Boolean.class, DEFAULT_GRAPH_TOOL_TIP);
    boolean graphDisplayLabel = getParam(GraphSource.GRAPH_DISPLAY_LABEL, Boolean.class, false);
    boolean legendBorder = getParam(GraphSource.LEGEND_BORDER, Boolean.class, DEFAULT_LEGEND_BORDER);
    boolean graphBorder = getParam(GraphSource.GRAPH_BORDER, Boolean.class, DEFAULT_GRAPH_BORDER);
    Font titleFont = getParam(GraphSource.GRAPH_FONT, Font.class, DEFAULT_GRAPH_TITLE_FONT);
    String noDataMessage = getParam(GraphSource.GRAPH_NO_DATA_MESSAGE, String.class,
            DEFAULT_GRAPH_NO_DATA_MESSAGE);
    PieGraphData pieGraphData = makeDataSet();
    Map<Comparable, Paint> colors = pieGraphData.colors;

    this.chart = ChartFactory.createPieChart(title, pieGraphData.data, false, graphToolTip, false);

    Paint backgroundColor = getParam(GraphSource.BACKGROUND_COLOR, Paint.class, DEFAULT_BACKGROUND_COLOR);
    Paint plotColor = getParam(JFreeChartTimeSeriesGraphSource.PLOT_COLOR, Paint.class, backgroundColor);
    Paint labelColor = getParam(JFreeChartTimeSeriesGraphSource.GRAPH_LABEL_BACKGROUND_COLOR, Paint.class,
            DEFAULT_BACKGROUND_COLOR);

    this.chart.setBackgroundPaint(backgroundColor);
    PiePlot plot = (PiePlot) chart.getPlot();
    plot.setBackgroundPaint(plotColor);
    plot.setNoDataMessage(noDataMessage);

    if (!graphDisplayLabel) {
        plot.setLabelGenerator(null);
    } else {
        plot.setInteriorGap(0.001);
        plot.setMaximumLabelWidth(.3);
        //           plot.setIgnoreNullValues(true);
        plot.setIgnoreZeroValues(true);
        plot.setShadowPaint(null);
        //           plot.setOutlineVisible(false);
        //TODO use title font?
        Font font = plot.getLabelFont();
        plot.setLabelLinkStyle(PieLabelLinkStyle.CUBIC_CURVE);
        plot.setLabelFont(font.deriveFont(font.getSize2D() * .75f));
        plot.setLabelBackgroundPaint(labelColor);
        plot.setLabelShadowPaint(null);
        plot.setLabelOutlinePaint(null);
        plot.setLabelGap(0.001);
        plot.setLabelLinkMargin(0.0);
        plot.setLabelLinksVisible(true);
        //           plot.setSimpleLabels(true);
        //           plot.setCircular(true);
    }

    if (!graphBorder) {
        plot.setOutlineVisible(false);
    }

    if (title != null && !"".equals(title)) {
        TextTitle title1 = new TextTitle();
        title1.setText(title);
        title1.setFont(titleFont);
        title1.setPadding(3, 2, 5, 2);
        chart.setTitle(title1);
    } else {
        chart.setTitle((TextTitle) null);
    }
    plot.setLabelPadding(new RectangleInsets(1, 1, 1, 1));
    //Makes a wrapper for the legend to remove the border around it
    if (legend) {
        LegendTitle legend1 = new LegendTitle(chart.getPlot());
        BlockContainer wrapper = new BlockContainer(new BorderArrangement());

        if (legendBorder) {
            wrapper.setFrame(new BlockBorder(1, 1, 1, 1));
        } else {
            wrapper.setFrame(new BlockBorder(0, 0, 0, 0));
        }

        BlockContainer items = legend1.getItemContainer();
        items.setPadding(2, 10, 5, 2);
        wrapper.add(items);
        legend1.setWrapper(wrapper);
        legend1.setPosition(RectangleEdge.BOTTOM);
        legend1.setHorizontalAlignment(HorizontalAlignment.CENTER);

        if (params.get(GraphSource.LEGEND_FONT) instanceof Font) {
            legend1.setItemFont(((Font) params.get(GraphSource.LEGEND_FONT)));
        }

        chart.addSubtitle(legend1);
        plot.setLegendLabelGenerator(new PieGraphLabelGenerator());
    }

    for (Comparable category : colors.keySet()) {
        plot.setSectionPaint(category, colors.get(category));
    }

    plot.setToolTipGenerator(new PieGraphToolTipGenerator(pieGraphData));
    plot.setURLGenerator(new PieGraphURLGenerator(pieGraphData));

    initialized = true;
}

---