Examples of org.jfree.chart.plot.PiePlot

org.jfree.chart.plot.PiePlot
A plot that displays data in the form of a pie chart, using data from any class that implements the {@link PieDataset} interface.The example shown here is generated by the PieChartDemo2.java program included in the JFreeChart Demo Collection:

Special notes:
1. the default starting point is 12 o'clock and the pie sections proceed in a clockwise direction, but these settings can be changed;
2. negative values in the dataset are ignored;
3. there are utility methods for creating a {@link PieDataset} from a{@link org.jfree.data.category.CategoryDataset};
@see Plot @see PieDataset

        if (plot instanceof Zoomable) {
            Zoomable zoomable = (Zoomable) plot;
            handleZoomable(zoomable, e);
        }
        else if (plot instanceof PiePlot) {
            PiePlot pp = (PiePlot) plot;
            pp.handleMouseWheelRotation(e.getWheelRotation());
        }
    }

View Full Code Here

    /**
     * Check that the default base section paint is not null, and that you
     * can never set it to null.
     */
    public void testGetBaseSectionPaint() {
        PiePlot plot = new PiePlot();
        assertNotNull(plot.getBaseSectionPaint());


        boolean pass = false;
        try {
            plot.setBaseSectionPaint(null);
        }
        catch (IllegalArgumentException e) {
            pass = true;
        }
        assertTrue(pass);

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        DefaultPieDataset dataset = new DefaultPieDataset();
        dataset.setValue("L1", 12.0);
        dataset.setValue("L2", 11.0);
        JFreeChart chart = ChartFactory.createPieChart("Test", dataset, true,
                false, false);
        PiePlot plot = (PiePlot) chart.getPlot();
        plot.setLegendLabelGenerator(new NullLegendLabelGenerator());
        boolean success = false;
        try {
            BufferedImage image = new BufferedImage(200 , 100,
                    BufferedImage.TYPE_INT_RGB);
            Graphics2D g2 = image.createGraphics();

View Full Code Here

    /**
     * Test the equals() method.
     */
    public void testEquals() {


        PiePlot plot1 = new PiePlot();
        PiePlot plot2 = new PiePlot();
        assertTrue(plot1.equals(plot2));
        assertTrue(plot2.equals(plot1));


        // pieIndex...
        plot1.setPieIndex(99);
        assertFalse(plot1.equals(plot2));
        plot2.setPieIndex(99);
        assertTrue(plot1.equals(plot2));


        // interiorGap...
        plot1.setInteriorGap(0.15);
        assertFalse(plot1.equals(plot2));
        plot2.setInteriorGap(0.15);
        assertTrue(plot1.equals(plot2));


        // circular
        plot1.setCircular(!plot1.isCircular());
        assertFalse(plot1.equals(plot2));
        plot2.setCircular(false);
        assertTrue(plot1.equals(plot2));


        // startAngle
        plot1.setStartAngle(Math.PI);
        assertFalse(plot1.equals(plot2));
        plot2.setStartAngle(Math.PI);
        assertTrue(plot1.equals(plot2));


        // direction
        plot1.setDirection(Rotation.ANTICLOCKWISE);
        assertFalse(plot1.equals(plot2));
        plot2.setDirection(Rotation.ANTICLOCKWISE);
        assertTrue(plot1.equals(plot2));


        // ignoreZeroValues
        plot1.setIgnoreZeroValues(true);
        plot2.setIgnoreZeroValues(false);
        assertFalse(plot1.equals(plot2));
        plot2.setIgnoreZeroValues(true);
        assertTrue(plot1.equals(plot2));


        // ignoreNullValues
        plot1.setIgnoreNullValues(true);
        plot2.setIgnoreNullValues(false);
        assertFalse(plot1.equals(plot2));
        plot2.setIgnoreNullValues(true);
        assertTrue(plot1.equals(plot2));


        // sectionPaint
        plot1.setSectionPaint(new GradientPaint(1.0f, 2.0f, Color.red,
                3.0f, 4.0f, Color.white));
        assertFalse(plot1.equals(plot2));
        plot2.setSectionPaint(new GradientPaint(1.0f, 2.0f, Color.red,
                3.0f, 4.0f, Color.white));
        assertTrue(plot1.equals(plot2));


        // sectionPaintMap
        plot1.setSectionPaint("A", new GradientPaint(1.0f, 2.0f, Color.blue,
                3.0f, 4.0f, Color.white));
        assertFalse(plot1.equals(plot2));
        plot2.setSectionPaint("A", new GradientPaint(1.0f, 2.0f, Color.blue,
                3.0f, 4.0f, Color.white));
        assertTrue(plot1.equals(plot2));


        // baseSectionPaint
        plot1.setBaseSectionPaint(new GradientPaint(1.0f, 2.0f, Color.black,
                3.0f, 4.0f, Color.white));
        assertFalse(plot1.equals(plot2));
        plot2.setBaseSectionPaint(new GradientPaint(1.0f, 2.0f, Color.black,
                3.0f, 4.0f, Color.white));
        assertTrue(plot1.equals(plot2));


        // sectionOutlinesVisible
        plot1.setSectionOutlinesVisible(false);
        assertFalse(plot1.equals(plot2));
        plot2.setSectionOutlinesVisible(false);
        assertTrue(plot1.equals(plot2));


        // sectionOutlinePaint
        plot1.setSectionOutlinePaint(new GradientPaint(1.0f, 2.0f, Color.cyan,
                3.0f, 4.0f, Color.white));
        assertFalse(plot1.equals(plot2));
        plot2.setSectionOutlinePaint(new GradientPaint(1.0f, 2.0f, Color.cyan,
                3.0f, 4.0f, Color.white));
        assertTrue(plot1.equals(plot2));


        // sectionOutlinePaintList
        plot1.setSectionOutlinePaint("A", new GradientPaint(1.0f, 2.0f,
                Color.green, 3.0f, 4.0f, Color.white));
        assertFalse(plot1.equals(plot2));
        plot2.setSectionOutlinePaint("A", new GradientPaint(1.0f, 2.0f,
                Color.green, 3.0f, 4.0f, Color.white));
        assertTrue(plot1.equals(plot2));


        // baseSectionOutlinePaint
        plot1.setBaseSectionOutlinePaint(new GradientPaint(1.0f, 2.0f,
                Color.gray, 3.0f, 4.0f, Color.white));
        assertFalse(plot1.equals(plot2));
        plot2.setBaseSectionOutlinePaint(new GradientPaint(1.0f, 2.0f,
                Color.gray, 3.0f, 4.0f, Color.white));
        assertTrue(plot1.equals(plot2));


        // sectionOutlineStroke
        plot1.setSectionOutlineStroke(new BasicStroke(1.0f));
        assertFalse(plot1.equals(plot2));
        plot2.setSectionOutlineStroke(new BasicStroke(1.0f));
        assertTrue(plot1.equals(plot2));


        // sectionOutlineStrokeList
        plot1.setSectionOutlineStroke("A", new BasicStroke(1.0f));
        assertFalse(plot1.equals(plot2));
        plot2.setSectionOutlineStroke("A", new BasicStroke(1.0f));
        assertTrue(plot1.equals(plot2));


        // baseSectionOutlineStroke
        plot1.setBaseSectionOutlineStroke(new BasicStroke(1.0f));
        assertFalse(plot1.equals(plot2));
        plot2.setBaseSectionOutlineStroke(new BasicStroke(1.0f));
        assertTrue(plot1.equals(plot2));


        // shadowPaint
        plot1.setShadowPaint(new GradientPaint(1.0f, 2.0f, Color.orange,
                3.0f, 4.0f, Color.white));
        assertFalse(plot1.equals(plot2));
        plot2.setShadowPaint(new GradientPaint(1.0f, 2.0f, Color.orange,
                3.0f, 4.0f, Color.white));
        assertTrue(plot1.equals(plot2));


        // shadowXOffset
        plot1.setShadowXOffset(4.4);
        assertFalse(plot1.equals(plot2));
        plot2.setShadowXOffset(4.4);
        assertTrue(plot1.equals(plot2));


        // shadowYOffset
        plot1.setShadowYOffset(4.4);
        assertFalse(plot1.equals(plot2));
        plot2.setShadowYOffset(4.4);
        assertTrue(plot1.equals(plot2));


        // labelFont
        plot1.setLabelFont(new Font("Serif", Font.PLAIN, 18));
        assertFalse(plot1.equals(plot2));
        plot2.setLabelFont(new Font("Serif", Font.PLAIN, 18));
        assertTrue(plot1.equals(plot2));


        // labelPaint
        plot1.setLabelPaint(new GradientPaint(1.0f, 2.0f, Color.darkGray,
                3.0f, 4.0f, Color.white));
        assertFalse(plot1.equals(plot2));
        plot2.setLabelPaint(new GradientPaint(1.0f, 2.0f, Color.darkGray,
                3.0f, 4.0f, Color.white));
        assertTrue(plot1.equals(plot2));


        // labelBackgroundPaint
        plot1.setLabelBackgroundPaint(new GradientPaint(1.0f, 2.0f, Color.red,
                3.0f, 4.0f, Color.white));
        assertFalse(plot1.equals(plot2));
        plot2.setLabelBackgroundPaint(new GradientPaint(1.0f, 2.0f, Color.red,
                3.0f, 4.0f, Color.white));
        assertTrue(plot1.equals(plot2));


        // labelOutlinePaint
        plot1.setLabelOutlinePaint(new GradientPaint(1.0f, 2.0f, Color.blue,
                3.0f, 4.0f, Color.white));
        assertFalse(plot1.equals(plot2));
        plot2.setLabelOutlinePaint(new GradientPaint(1.0f, 2.0f, Color.blue,
                3.0f, 4.0f, Color.white));
        assertTrue(plot1.equals(plot2));


        // labelOutlineStroke
        Stroke s = new BasicStroke(1.1f);
        plot1.setLabelOutlineStroke(s);
        assertFalse(plot1.equals(plot2));
        plot2.setLabelOutlineStroke(s);
        assertTrue(plot1.equals(plot2));


        // labelShadowPaint
        plot1.setLabelShadowPaint(new GradientPaint(1.0f, 2.0f, Color.yellow,
                3.0f, 4.0f, Color.white));
        assertFalse(plot1.equals(plot2));
        plot2.setLabelShadowPaint(new GradientPaint(1.0f, 2.0f, Color.yellow,
                3.0f, 4.0f, Color.white));
        assertTrue(plot1.equals(plot2));


        // explodePercentages
        plot1.setExplodePercent("A", 0.33);
        assertFalse(plot1.equals(plot2));
        plot2.setExplodePercent("A", 0.33);
        assertTrue(plot1.equals(plot2));


        // labelGenerator
        plot1.setLabelGenerator(new StandardPieSectionLabelGenerator(
                "{2}{1}{0}"));
        assertFalse(plot1.equals(plot2));
        plot2.setLabelGenerator(new StandardPieSectionLabelGenerator(
                "{2}{1}{0}"));
        assertTrue(plot1.equals(plot2));


        // labelFont
        Font f = new Font("SansSerif", Font.PLAIN, 20);
        plot1.setLabelFont(f);
        assertFalse(plot1.equals(plot2));
        plot2.setLabelFont(f);
        assertTrue(plot1.equals(plot2));


        // labelPaint
        plot1.setLabelPaint(new GradientPaint(1.0f, 2.0f, Color.magenta,
                3.0f, 4.0f, Color.white));
        assertFalse(plot1.equals(plot2));
        plot2.setLabelPaint(new GradientPaint(1.0f, 2.0f, Color.magenta,
                3.0f, 4.0f, Color.white));
        assertTrue(plot1.equals(plot2));


        // maximumLabelWidth
        plot1.setMaximumLabelWidth(0.33);
        assertFalse(plot1.equals(plot2));
        plot2.setMaximumLabelWidth(0.33);
        assertTrue(plot1.equals(plot2));


        // labelGap
        plot1.setLabelGap(0.11);
        assertFalse(plot1.equals(plot2));
        plot2.setLabelGap(0.11);
        assertTrue(plot1.equals(plot2));


        // links visible
        plot1.setLabelLinksVisible(false);
        assertFalse(plot1.equals(plot2));
        plot2.setLabelLinksVisible(false);
        assertTrue(plot1.equals(plot2));


        plot1.setLabelLinkStyle(PieLabelLinkStyle.QUAD_CURVE);
        assertFalse(plot1.equals(plot2));
        plot2.setLabelLinkStyle(PieLabelLinkStyle.QUAD_CURVE);
        assertTrue(plot1.equals(plot2));


        // linkMargin
        plot1.setLabelLinkMargin(0.11);
        assertFalse(plot1.equals(plot2));
        plot2.setLabelLinkMargin(0.11);
        assertTrue(plot1.equals(plot2));


        // labelLinkPaint
        plot1.setLabelLinkPaint(new GradientPaint(1.0f, 2.0f, Color.magenta,
                3.0f, 4.0f, Color.white));
        assertFalse(plot1.equals(plot2));
        plot2.setLabelLinkPaint(new GradientPaint(1.0f, 2.0f, Color.magenta,
                3.0f, 4.0f, Color.white));
        assertTrue(plot1.equals(plot2));


        // labelLinkStroke
        plot1.setLabelLinkStroke(new BasicStroke(1.0f));
        assertFalse(plot1.equals(plot2));
        plot2.setLabelLinkStroke(new BasicStroke(1.0f));
        assertTrue(plot1.equals(plot2));


        // toolTipGenerator
        plot1.setToolTipGenerator(
            new StandardPieToolTipGenerator("{2}{1}{0}")
        );
        assertFalse(plot1.equals(plot2));
        plot2.setToolTipGenerator(
            new StandardPieToolTipGenerator("{2}{1}{0}")
        );
        assertTrue(plot1.equals(plot2));


        // urlGenerator
        plot1.setURLGenerator(new StandardPieURLGenerator("xx"));
        assertFalse(plot1.equals(plot2));
        plot2.setURLGenerator(new StandardPieURLGenerator("xx"));
        assertTrue(plot1.equals(plot2));


        // minimumArcAngleToDraw
        plot1.setMinimumArcAngleToDraw(1.0);
        assertFalse(plot1.equals(plot2));
        plot2.setMinimumArcAngleToDraw(1.0);
        assertTrue(plot1.equals(plot2));


        // legendItemShape
        plot1.setLegendItemShape(new Rectangle2D.Double(1.0, 2.0, 3.0, 4.0));
        assertFalse(plot1.equals(plot2));
        plot2.setLegendItemShape(new Rectangle2D.Double(1.0, 2.0, 3.0, 4.0));
        assertTrue(plot1.equals(plot2));


        // legendLabelGenerator
        plot1.setLegendLabelGenerator(new StandardPieSectionLabelGenerator(
                "{0} --> {1}"));
        assertFalse(plot1.equals(plot2));
        plot2.setLegendLabelGenerator(new StandardPieSectionLabelGenerator(
                "{0} --> {1}"));
        assertTrue(plot1.equals(plot2));


        // legendLabelToolTipGenerator
        plot1.setLegendLabelToolTipGenerator(
                new StandardPieSectionLabelGenerator("{0} is {1}"));
        assertFalse(plot1.equals(plot2));
        plot2.setLegendLabelToolTipGenerator(
                new StandardPieSectionLabelGenerator("{0} is {1}"));
        assertTrue(plot1.equals(plot2));


        // legendLabelURLGenerator
        plot1.setLegendLabelURLGenerator(new StandardPieURLGenerator(
                "index.html"));
        assertFalse(plot1.equals(plot2));
        plot2.setLegendLabelURLGenerator(new StandardPieURLGenerator(
                "index.html"));
        assertTrue(plot1.equals(plot2));


        // autoPopulateSectionPaint
        plot1.setAutoPopulateSectionPaint(false);
        assertFalse(plot1.equals(plot2));
        plot2.setAutoPopulateSectionPaint(false);
        assertTrue(plot1.equals(plot2));


        // autoPopulateSectionOutlinePaint
        plot1.setAutoPopulateSectionOutlinePaint(true);
        assertFalse(plot1.equals(plot2));
        plot2.setAutoPopulateSectionOutlinePaint(true);
        assertTrue(plot1.equals(plot2));


        // autoPopulateSectionOutlineStroke
        plot1.setAutoPopulateSectionOutlineStroke(true);
        assertFalse(plot1.equals(plot2));
        plot2.setAutoPopulateSectionOutlineStroke(true);
        assertTrue(plot1.equals(plot2));


        // shadowGenerator
        plot1.setShadowGenerator(new DefaultShadowGenerator(5, Color.gray,
                0.6f, 4, -Math.PI / 4));
        assertFalse(plot1.equals(plot2));
        plot2.setShadowGenerator(new DefaultShadowGenerator(5, Color.gray,
                0.6f, 4, -Math.PI / 4));
        assertTrue(plot1.equals(plot2));


        plot1.setShadowGenerator(null);
        assertFalse(plot1.equals(plot2));
        plot2.setShadowGenerator(null);
        assertTrue(plot1.equals(plot2));
    }

View Full Code Here

     * dataset should be null.
     */
    public void testReplaceDatasetOnPieChart() {
        LocalListener l = new LocalListener();
        this.pieChart.addChangeListener(l);
        PiePlot plot = (PiePlot) this.pieChart.getPlot();
        plot.setDataset(null);
        assertEquals(true, l.flag);
        assertNull(plot.getDataset());
    }

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     * @since 1.0.7
     */
    public static JFreeChart createPieChart(String title, PieDataset dataset,
            boolean legend, boolean tooltips, Locale locale) {


        PiePlot plot = new PiePlot(dataset);
        plot.setLabelGenerator(new StandardPieSectionLabelGenerator(locale));
        plot.setInsets(new RectangleInsets(0.0, 5.0, 5.0, 5.0));
        if (tooltips) {
            plot.setToolTipGenerator(new StandardPieToolTipGenerator(locale));
        }
        JFreeChart chart = new JFreeChart(title, JFreeChart.DEFAULT_TITLE_FONT,
                plot, legend);
        currentTheme.apply(chart);
        return chart;

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                                            PieDataset dataset,
                                            boolean legend,
                                            boolean tooltips,
                                            boolean urls) {


        PiePlot plot = new PiePlot(dataset);
        plot.setLabelGenerator(new StandardPieSectionLabelGenerator());
        plot.setInsets(new RectangleInsets(0.0, 5.0, 5.0, 5.0));
        if (tooltips) {
            plot.setToolTipGenerator(new StandardPieToolTipGenerator());
        }
        if (urls) {
            plot.setURLGenerator(new StandardPieURLGenerator());
        }
        JFreeChart chart = new JFreeChart(title, JFreeChart.DEFAULT_TITLE_FONT,
                plot, legend);
        currentTheme.apply(chart);
        return chart;

View Full Code Here

    public static JFreeChart createPieChart(String title, PieDataset dataset,
            PieDataset previousDataset, int percentDiffForMaxScale,
            boolean greenForIncrease, boolean legend, boolean tooltips,
            Locale locale, boolean subTitle, boolean showDifference) {


        PiePlot plot = new PiePlot(dataset);
        plot.setLabelGenerator(new StandardPieSectionLabelGenerator(locale));
        plot.setInsets(new RectangleInsets(0.0, 5.0, 5.0, 5.0));


        if (tooltips) {
            plot.setToolTipGenerator(new StandardPieToolTipGenerator(locale));
        }


        List keys = dataset.getKeys();
        DefaultPieDataset series = null;
        if (showDifference) {
            series = new DefaultPieDataset();
        }


        double colorPerPercent = 255.0 / percentDiffForMaxScale;
        for (Iterator it = keys.iterator(); it.hasNext();) {
            Comparable key = (Comparable) it.next();
            Number newValue = dataset.getValue(key);
            Number oldValue = previousDataset.getValue(key);


            if (oldValue == null) {
                if (greenForIncrease) {
                    plot.setSectionPaint(key, Color.green);
                }
                else {
                    plot.setSectionPaint(key, Color.red);
                }
                if (showDifference) {
                    series.setValue(key + " (+100%)", newValue);
                }
            }
            else {
                double percentChange = (newValue.doubleValue()
                        / oldValue.doubleValue() - 1.0) * 100.0;
                double shade
                    = (Math.abs(percentChange) >= percentDiffForMaxScale ? 255
                    : Math.abs(percentChange) * colorPerPercent);
                if (greenForIncrease
                        && newValue.doubleValue() > oldValue.doubleValue()
                        || !greenForIncrease && newValue.doubleValue()
                        < oldValue.doubleValue()) {
                    plot.setSectionPaint(key, new Color(0, (int) shade, 0));
                }
                else {
                    plot.setSectionPaint(key, new Color((int) shade, 0, 0));
                }
                if (showDifference) {
                    series.setValue(key + " (" + (percentChange >= 0 ? "+" : "")
                            + NumberFormat.getPercentInstance().format(
                            percentChange / 100.0) + ")", newValue);
                }
            }
        }


        if (showDifference) {
            plot.setDataset(series);
        }


        JFreeChart chart =  new JFreeChart(title,
                JFreeChart.DEFAULT_TITLE_FONT, plot, legend);

View Full Code Here

                                            boolean tooltips,
                                            boolean urls,
                                            boolean subTitle,
                                            boolean showDifference) {


        PiePlot plot = new PiePlot(dataset);
        plot.setLabelGenerator(new StandardPieSectionLabelGenerator());
        plot.setInsets(new RectangleInsets(0.0, 5.0, 5.0, 5.0));


        if (tooltips) {
            plot.setToolTipGenerator(new StandardPieToolTipGenerator());
        }
        if (urls) {
            plot.setURLGenerator(new StandardPieURLGenerator());
        }


        List keys = dataset.getKeys();
        DefaultPieDataset series = null;
        if (showDifference) {
            series = new DefaultPieDataset();
        }


        double colorPerPercent = 255.0 / percentDiffForMaxScale;
        for (Iterator it = keys.iterator(); it.hasNext();) {
            Comparable key = (Comparable) it.next();
            Number newValue = dataset.getValue(key);
            Number oldValue = previousDataset.getValue(key);


            if (oldValue == null) {
                if (greenForIncrease) {
                    plot.setSectionPaint(key, Color.green);
                }
                else {
                    plot.setSectionPaint(key, Color.red);
                }
                if (showDifference) {
                    series.setValue(key + " (+100%)", newValue);
                }
            }
            else {
                double percentChange = (newValue.doubleValue()
                        / oldValue.doubleValue() - 1.0) * 100.0;
                double shade
                    = (Math.abs(percentChange) >= percentDiffForMaxScale ? 255
                    : Math.abs(percentChange) * colorPerPercent);
                if (greenForIncrease
                        && newValue.doubleValue() > oldValue.doubleValue()
                        || !greenForIncrease && newValue.doubleValue()
                        < oldValue.doubleValue()) {
                    plot.setSectionPaint(key, new Color(0, (int) shade, 0));
                }
                else {
                    plot.setSectionPaint(key, new Color((int) shade, 0, 0));
                }
                if (showDifference) {
                    series.setValue(key + " (" + (percentChange >= 0 ? "+" : "")
                            + NumberFormat.getPercentInstance().format(
                            percentChange / 100.0) + ")", newValue);
                }
            }
        }


        if (showDifference) {
            plot.setDataset(series);
        }


        JFreeChart chart =  new JFreeChart(title,
                JFreeChart.DEFAULT_TITLE_FONT, plot, legend);

View Full Code Here

        plot.setOutlineStroke(null);


        if (tooltips) {
            PieToolTipGenerator tooltipGenerator
                = new StandardPieToolTipGenerator();
            PiePlot pp = (PiePlot) plot.getPieChart().getPlot();
            pp.setToolTipGenerator(tooltipGenerator);
        }


        if (urls) {
            PieURLGenerator urlGenerator = new StandardPieURLGenerator();
            PiePlot pp = (PiePlot) plot.getPieChart().getPlot();
            pp.setURLGenerator(urlGenerator);
        }


        JFreeChart chart = new JFreeChart(title, JFreeChart.DEFAULT_TITLE_FONT,
                plot, legend);
        currentTheme.apply(chart);

View Full Code Here

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