Example usage for org.jfree.chart JFreeChart getLegend

Introduction

In this page you can find the example usage for org.jfree.chart JFreeChart getLegend.

Prototype

public LegendTitle getLegend() 

Source Link

Document

Returns the legend for the chart, if there is one.

Usage

From source file:org.eobjects.datacleaner.util.ChartUtils.java

public static void applyStyles(JFreeChart chart) {
    TextTitle title = chart.getTitle();/*  ww  w.  j av  a  2 s. c o m*/
    if (title != null) {
        title.setFont(WidgetUtils.FONT_HEADER1);
        title.setBackgroundPaint(WidgetUtils.BG_COLOR_BRIGHTEST);
    }

    for (int i = 0; i < chart.getSubtitleCount(); i++) {
        Title subtitle = chart.getSubtitle(i);
        if (subtitle instanceof TextTitle) {
            ((TextTitle) subtitle).setFont(WidgetUtils.FONT_NORMAL);
        }
    }

    LegendTitle legend = chart.getLegend();
    if (legend != null) {
        legend.setItemFont(WidgetUtils.FONT_SMALL);
    }

    // transparent background
    chart.setBackgroundPaint(WidgetUtils.BG_COLOR_BRIGHTEST);
    chart.setBorderVisible(false);

    final Plot plot = chart.getPlot();
    plot.setInsets(new RectangleInsets(UnitType.ABSOLUTE, 0d, 0d, 0d, 0d));
    plot.setBackgroundPaint(WidgetUtils.BG_COLOR_BRIGHTEST);
    plot.setOutlinePaint(WidgetUtils.BG_COLOR_BRIGHTEST);
    plot.setOutlineVisible(true);

    if (plot instanceof PiePlot) {
        // tweaks for pie charts
        final PiePlot piePlot = (PiePlot) plot;
        piePlot.setBaseSectionOutlinePaint(WidgetUtils.BG_COLOR_DARK);
        piePlot.setBaseSectionOutlineStroke(normalStroke);
        piePlot.setLabelFont(WidgetUtils.FONT_SMALL);
        piePlot.setLabelBackgroundPaint(WidgetUtils.BG_COLOR_BRIGHT);
        piePlot.setLabelOutlineStroke(normalStroke);
        piePlot.setLabelPaint(WidgetUtils.BG_COLOR_DARK);
        piePlot.setSectionOutlinesVisible(false);
        piePlot.setLabelLinkStyle(PieLabelLinkStyle.QUAD_CURVE);
    } else if (plot instanceof CategoryPlot) {
        // tweaks for bar charts
        final CategoryPlot categoryPlot = (CategoryPlot) plot;

        int columnCount = categoryPlot.getDataset().getColumnCount();
        if (columnCount > 1) {
            categoryPlot.setDomainGridlinesVisible(true);
        } else {
            categoryPlot.setDomainGridlinesVisible(false);
        }
        categoryPlot.setDomainGridlinePaint(WidgetUtils.BG_COLOR_DARK);
        categoryPlot.setDomainGridlinePosition(CategoryAnchor.END);

        categoryPlot.getDomainAxis().setLabelFont(WidgetUtils.FONT_SMALL);
        categoryPlot.getDomainAxis().setTickLabelFont(WidgetUtils.FONT_SMALL);
        categoryPlot.getRangeAxis().setLabelFont(WidgetUtils.FONT_SMALL);
        categoryPlot.getRangeAxis().setTickLabelFont(WidgetUtils.FONT_SMALL);
        categoryPlot.setDrawingSupplier(new DCDrawingSupplier());

        final CategoryItemRenderer renderer = categoryPlot.getRenderer();
        renderer.setBaseOutlinePaint(WidgetUtils.BG_COLOR_DARK);
        renderer.setBaseOutlineStroke(wideStroke);

        if (renderer instanceof BarRenderer) {
            BarRenderer barRenderer = (BarRenderer) renderer;
            barRenderer.setShadowPaint(WidgetUtils.BG_COLOR_BRIGHT);
            barRenderer.setBarPainter(new StandardBarPainter());
        }

    } else if (plot instanceof XYPlot) {
        // tweaks for line charts
        final XYPlot xyPlot = (XYPlot) plot;

        xyPlot.setDrawingSupplier(new DCDrawingSupplier());

        xyPlot.getDomainAxis().setLabelFont(WidgetUtils.FONT_SMALL);
        xyPlot.getDomainAxis().setTickLabelFont(WidgetUtils.FONT_SMALL);
        xyPlot.getRangeAxis().setLabelFont(WidgetUtils.FONT_SMALL);
        xyPlot.getRangeAxis().setTickLabelFont(WidgetUtils.FONT_SMALL);

        final XYItemRenderer renderer = xyPlot.getRenderer();
        final int seriesCount = xyPlot.getSeriesCount();
        for (int i = 0; i < seriesCount; i++) {
            renderer.setSeriesStroke(i, wideStroke);
        }
    }
}

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From source file:com.pasi.pdfbox.Main.java

private static JFreeChart createBarChart() {
    DefaultCategoryDataset dataset = new DefaultCategoryDataset();
    dataset.addValue(7445, "JFreeSVG", "Warm-up");
    dataset.addValue(24448, "Batik", "Warm-up");
    dataset.addValue(4297, "JFreeSVG", "Test");
    dataset.addValue(21022, "Batik", "Test");

    JFreeChart chart = ChartFactory.createBarChart("Performance: JFreeSVG vs Batik", null /* x-axis label*/,
            "Milliseconds" /* y-axis label */, dataset);
    chart.addSubtitle(/*from  www  .  j ava 2 s.  com*/
            new TextTitle("Time to generate 1000 charts in SVG " + "format (lower bars = better performance)"));
    chart.setBackgroundPaint(Color.white);
    CategoryPlot plot = (CategoryPlot) chart.getPlot();

    NumberAxis rangeAxis = (NumberAxis) plot.getRangeAxis();
    rangeAxis.setStandardTickUnits(NumberAxis.createIntegerTickUnits());
    BarRenderer renderer = (BarRenderer) plot.getRenderer();
    renderer.setDrawBarOutline(false);
    chart.getLegend().setFrame(BlockBorder.NONE);
    return chart;
}

---

From source file:org.datacleaner.util.ChartUtils.java

public static void applyStyles(JFreeChart chart) {
    TextTitle title = chart.getTitle();//from  w w  w.j av  a  2s. c  o m
    if (title != null) {
        title.setFont(WidgetUtils.FONT_HEADER1);
        title.setBackgroundPaint(WidgetUtils.BG_COLOR_BRIGHTEST);
    }

    for (int i = 0; i < chart.getSubtitleCount(); i++) {
        Title subtitle = chart.getSubtitle(i);
        if (subtitle instanceof TextTitle) {
            ((TextTitle) subtitle).setFont(WidgetUtils.FONT_NORMAL);
        }
    }

    LegendTitle legend = chart.getLegend();
    if (legend != null) {
        legend.setItemFont(WidgetUtils.FONT_SMALL);
    }

    // transparent background
    chart.setBackgroundPaint(WidgetUtils.BG_COLOR_BRIGHTEST);
    chart.setBorderVisible(false);

    final Plot plot = chart.getPlot();
    plot.setInsets(new RectangleInsets(UnitType.ABSOLUTE, 0d, 0d, 0d, 0d));
    plot.setBackgroundPaint(WidgetUtils.BG_COLOR_BRIGHTEST);
    plot.setOutlinePaint(WidgetUtils.BG_COLOR_BRIGHTEST);
    plot.setOutlineVisible(true);

    if (plot instanceof PiePlot) {
        // tweaks for pie charts
        final PiePlot piePlot = (PiePlot) plot;
        piePlot.setBaseSectionOutlinePaint(WidgetUtils.BG_COLOR_DARK);
        piePlot.setBaseSectionOutlineStroke(STROKE_NORMAL);
        piePlot.setLabelFont(WidgetUtils.FONT_SMALL);
        piePlot.setLabelBackgroundPaint(WidgetUtils.BG_COLOR_BRIGHT);
        piePlot.setLabelOutlineStroke(STROKE_NORMAL);
        piePlot.setLabelPaint(WidgetUtils.BG_COLOR_DARK);
        piePlot.setSectionOutlinesVisible(false);
        piePlot.setLabelLinkStyle(PieLabelLinkStyle.QUAD_CURVE);
        piePlot.setDrawingSupplier(new DCDrawingSupplier());

    } else if (plot instanceof CategoryPlot) {
        // tweaks for bar charts
        final CategoryPlot categoryPlot = (CategoryPlot) plot;

        int columnCount = categoryPlot.getDataset().getColumnCount();
        if (columnCount > 1) {
            categoryPlot.setDomainGridlinesVisible(true);
        } else {
            categoryPlot.setDomainGridlinesVisible(false);
        }
        categoryPlot.setDomainGridlinePaint(WidgetUtils.BG_COLOR_DARK);
        categoryPlot.setDomainGridlinePosition(CategoryAnchor.END);

        categoryPlot.getDomainAxis().setLabelFont(WidgetUtils.FONT_SMALL);
        categoryPlot.getDomainAxis().setTickLabelFont(WidgetUtils.FONT_SMALL);
        categoryPlot.getRangeAxis().setLabelFont(WidgetUtils.FONT_SMALL);
        categoryPlot.getRangeAxis().setTickLabelFont(WidgetUtils.FONT_SMALL);
        categoryPlot.setDrawingSupplier(new DCDrawingSupplier());

        final CategoryItemRenderer renderer = categoryPlot.getRenderer();
        renderer.setBaseOutlinePaint(WidgetUtils.BG_COLOR_DARK);
        renderer.setBaseOutlineStroke(STROKE_WIDE);

        if (renderer instanceof BarRenderer) {
            BarRenderer barRenderer = (BarRenderer) renderer;
            barRenderer.setShadowPaint(WidgetUtils.BG_COLOR_BRIGHT);
            barRenderer.setBarPainter(new StandardBarPainter());
        }

    } else if (plot instanceof XYPlot) {
        // tweaks for line charts
        final XYPlot xyPlot = (XYPlot) plot;

        xyPlot.setDrawingSupplier(new DCDrawingSupplier());

        xyPlot.getDomainAxis().setLabelFont(WidgetUtils.FONT_SMALL);
        xyPlot.getDomainAxis().setTickLabelFont(WidgetUtils.FONT_SMALL);
        xyPlot.getRangeAxis().setLabelFont(WidgetUtils.FONT_SMALL);
        xyPlot.getRangeAxis().setTickLabelFont(WidgetUtils.FONT_SMALL);

        final XYItemRenderer renderer = xyPlot.getRenderer();
        final int seriesCount = xyPlot.getSeriesCount();
        for (int i = 0; i < seriesCount; i++) {
            renderer.setSeriesStroke(i, STROKE_WIDE);
        }
    }
}

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From source file:org.talend.dataprofiler.chart.ChartDecorator.java

/**
 * /*from  w  w  w. j a  va  2  s.  c o  m*/
 * if it contians CJK, set Font to "Arial Unicode MS".Or else, the Font is "Tahoma".
 * 
 * @param chart
 */
private static void setLegendFont(JFreeChart chart) {
    Font font;
    LegendTitle legend = chart.getLegend();
    if (legend != null) {
        font = new Font("Tahoma", Font.PLAIN, BASE_LEGEND_LABEL_SIZE);//$NON-NLS-1$
        // get legend label to judge if it contains CJK.
        LegendItemSource[] sources = legend.getSources();
        Set<String> itemLabels = new HashSet<String>();
        for (LegendItemSource source : sources) {
            LegendItemCollection legendItems = source.getLegendItems();
            for (int i = 0; i < legendItems.getItemCount(); i++) {
                String label = legendItems.get(i).getLabel();
                if (label != null) {
                    itemLabels.add(label);
                }
            }
        }
        if (isContainCJKCharacter(itemLabels.toArray())) {
            font = getCJKFont(Font.PLAIN, BASE_LEGEND_LABEL_SIZE);
        }
        legend.setItemFont(font);
    }
}

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From source file:org.jrecruiter.web.actions.admin.ShowStatisticsAction.java

private static JFreeChart createChart(final CategoryDataset categorydataset, final String chartTitle) {
    final JFreeChart chart = ChartFactory.createBarChart(chartTitle, "Jobs", "Number of Hits", categorydataset,
            PlotOrientation.VERTICAL, true, true, false);

    final CategoryPlot categoryplot = (CategoryPlot) chart.getPlot();
    categoryplot.setNoDataMessage("NO DATA!");

    chart.setBackgroundPaint(new Color(245, 245, 255));
    chart.setBorderPaint(new Color(204, 204, 204));
    chart.setBorderStroke(new BasicStroke(1f));

    final LegendTitle legend = chart.getLegend();
    legend.setWidth(1000);// w  w  w  . jav a 2 s.c  o m
    legend.setPosition(RectangleEdge.BOTTOM);

    final BlockBorder border = new BlockBorder(new Color(204, 204, 204));
    legend.setBorder(border);

    final CategoryPlot categoryPlot = (CategoryPlot) chart.getPlot();
    categoryPlot.setBackgroundPaint(Color.WHITE);
    categoryPlot.setRangeGridlinePaint(new Color(204, 204, 204));
    categoryPlot.setRangeAxisLocation(AxisLocation.BOTTOM_OR_LEFT);
    final NumberAxis numberaxis = (NumberAxis) categoryPlot.getRangeAxis();

    numberaxis.setStandardTickUnits(NumberAxis.createIntegerTickUnits());
    final BarRenderer renderer = (BarRenderer) categoryPlot.getRenderer();
    renderer.setDrawBarOutline(true);

    final ItemLabelPosition itemlabelposition = new ItemLabelPosition(ItemLabelAnchor.CENTER,
            TextAnchor.CENTER);
    renderer.setPositiveItemLabelPosition(itemlabelposition);

    renderer.setItemLabelGenerator(new StandardCategoryItemLabelGenerator());

    renderer.setItemLabelsVisible(true);
    return chart;
}

---

From source file:ec.util.chart.swing.JTimeSeriesRendererSupportDemo.java

private static JFreeChart createTsChart() {
    XYPlot plot = new XYPlot();

    plot.setAxisOffset(RectangleInsets.ZERO_INSETS);

    DateAxis domainAxis = new DateAxis();
    domainAxis.setTickLabelsVisible(false);
    domainAxis.setLowerMargin(0.02);/*  w w  w  . j a v a  2  s.c  o  m*/
    domainAxis.setUpperMargin(0.02);
    plot.setDomainAxis(domainAxis);

    NumberAxis rangeAxis = new NumberAxis();
    rangeAxis.setAutoRangeIncludesZero(false);
    rangeAxis.setTickLabelsVisible(false);
    rangeAxis.setLowerMargin(0.02);
    rangeAxis.setUpperMargin(0.02);
    plot.setRangeAxis(rangeAxis);

    JFreeChart result = new JFreeChart("", null, plot, true);
    result.setPadding(new RectangleInsets(5, 5, 5, 5));
    result.getLegend().setFrame(BlockBorder.NONE);
    result.getLegend().setBackgroundPaint(null);

    return result;
}

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From source file:net.sf.mzmine.chartbasics.graphicsexport.ChartExportUtil.java

/**
 * This method is used to save all image formats. it uses the specific methods for each file
 * format// w  w w  .  ja v  a  2s  .c  o  m
 * 
 * @param chart
 * @param sett
 * @param chartRenderingInfo
 */
private static void writeChartToImage(JFreeChart chart, GraphicsExportParameters sett, ChartRenderingInfo info)
        throws Exception {
    // Background color
    Paint saved = chart.getBackgroundPaint();
    chart.setBackgroundPaint(sett.getColorWithAlpha());
    chart.setBackgroundImageAlpha((float) sett.getTransparency());
    if (chart.getLegend() != null)
        chart.getLegend().setBackgroundPaint(sett.getColorWithAlpha());
    // legends and stuff
    for (int i = 0; i < chart.getSubtitleCount(); i++)
        if (PaintScaleLegend.class.isAssignableFrom(chart.getSubtitle(i).getClass()))
            ((PaintScaleLegend) chart.getSubtitle(i)).setBackgroundPaint(sett.getColorWithAlpha());

    // apply bg
    chart.getPlot().setBackgroundPaint(sett.getColorWithAlpha());

    // create folder
    File f = sett.getFullpath();
    if (!f.exists()) {
        if (f.getParentFile() != null)
            f.getParentFile().mkdirs();
        // f.createNewFile();
    }

    Dimension size = sett.getPixelSize();
    // Format
    switch (sett.getFormat()) {
    case "PDF":
        writeChartToPDF(chart, size.width, size.height, f);
        break;
    case "PNG":
        writeChartToPNG(chart, info, size.width, size.height, f, (int) sett.getDPI());
        break;
    case "JPG":
        writeChartToJPEG(chart, info, size.width, size.height, f, (int) sett.getDPI());
        break;
    case "EPS":
        writeChartToEPS(chart, size.width, size.height, f);
        break;
    case "SVG":
        writeChartToSVG(chart, size.width, size.height, f);
        break;
    case "EMF":
        writeChartToEMF(chart, size.width, size.height, f);
        break;
    }
    //
    chart.setBackgroundPaint(saved);
    chart.setBackgroundImageAlpha(255);
    if (chart.getLegend() != null)
        chart.getLegend().setBackgroundPaint(saved);
    // legends and stuff
    for (int i = 0; i < chart.getSubtitleCount(); i++)
        if (PaintScaleLegend.class.isAssignableFrom(chart.getSubtitle(i).getClass()))
            ((PaintScaleLegend) chart.getSubtitle(i)).setBackgroundPaint(saved);

    // apply bg
    chart.getPlot().setBackgroundPaint(saved);
}

---

From source file:net.sf.mzmine.chartbasics.graphicsexport.ChartExportUtil.java

public static void writeChartToJPEG(JFreeChart chart, ChartRenderingInfo info, int width, int height,
        File fileName, int resolution) throws IOException {
    // Background color
    Paint saved = chart.getBackgroundPaint();
    if (((Color) saved).getAlpha() == 0) {
        chart.setBackgroundPaint(Color.WHITE);
        chart.setBackgroundImageAlpha(255);
        if (chart.getLegend() != null)
            chart.getLegend().setBackgroundPaint(Color.WHITE);
        // legends and stuff
        for (int i = 0; i < chart.getSubtitleCount(); i++)
            if (PaintScaleLegend.class.isAssignableFrom(chart.getSubtitle(i).getClass()))
                ((PaintScaleLegend) chart.getSubtitle(i)).setBackgroundPaint(Color.WHITE);

        // apply bg
        chart.getPlot().setBackgroundPaint(Color.WHITE);
    }/*  www.  ja v  a  2  s  . c o  m*/
    //
    if (resolution == 72)
        writeChartToJPEG(chart, width, height, fileName);
    else {
        OutputStream out = new BufferedOutputStream(new FileOutputStream(fileName));
        try {
            BufferedImage image = paintScaledChartToBufferedImage(chart, info, out, width, height, resolution,
                    BufferedImage.TYPE_INT_RGB);
            EncoderUtil.writeBufferedImage(image, ImageFormat.JPEG, out, 1.f);
        } finally {
            out.close();
        }
    }
}

---

From source file:org.tap4j.plugin.util.GraphHelper.java

public static JFreeChart createChart(StaplerRequest req, CategoryDataset dataset) {

    final JFreeChart chart = ChartFactory.createStackedAreaChart("TAP Tests", // chart title
            null, // unused
            "TAP Tests Count", // range axis label
            dataset, // data
            PlotOrientation.VERTICAL, // orientation
            true, // include legend
            true, // tooltips
            false // urls
    );//from  w  ww. ja v  a 2 s.  co m

    // NOW DO SOME OPTIONAL CUSTOMISATION OF THE CHART...
    final LegendTitle legend = chart.getLegend();
    legend.setPosition(RectangleEdge.RIGHT);

    chart.setBackgroundPaint(Color.white);

    final CategoryPlot plot = chart.getCategoryPlot();
    plot.setBackgroundPaint(Color.WHITE);
    plot.setOutlinePaint(null);
    plot.setForegroundAlpha(0.8f);
    plot.setDomainGridlinesVisible(true);
    plot.setDomainGridlinePaint(Color.white);
    plot.setRangeGridlinesVisible(true);
    plot.setRangeGridlinePaint(Color.black);

    CategoryAxis domainAxis = new ShiftedCategoryAxis(null);
    plot.setDomainAxis(domainAxis);
    domainAxis.setCategoryLabelPositions(CategoryLabelPositions.UP_90);
    domainAxis.setLowerMargin(0.0);
    domainAxis.setUpperMargin(0.0);
    domainAxis.setCategoryMargin(0.0);

    final NumberAxis rangeAxis = (NumberAxis) plot.getRangeAxis();
    rangeAxis.setStandardTickUnits(NumberAxis.createIntegerTickUnits());

    StackedAreaRenderer ar = new StackedAreaRenderer2() {
        private static final long serialVersionUID = 331915263367089058L;

        @Override
        public String generateURL(CategoryDataset dataset, int row, int column) {
            NumberOnlyBuildLabel label = (NumberOnlyBuildLabel) dataset.getColumnKey(column);
            return label.build.getNumber() + "/" + AbstractTapProjectAction.URL_NAME + "/";
        }

        @Override
        public String generateToolTip(CategoryDataset dataset, int row, int column) {
            NumberOnlyBuildLabel label = (NumberOnlyBuildLabel) dataset.getColumnKey(column);
            TapBuildAction build = label.build.getAction(TapBuildAction.class);
            TapResult report = build.getResult();
            report.tally();

            switch (row) {
            case 0:
                return String.valueOf(report.getFailed()) + " Failure(s)";
            case 1:
                return String.valueOf(report.getPassed()) + " Pass";
            case 2:
                return String.valueOf(report.getSkipped()) + " Skip(s)";
            default:
                return "";
            }
        }

    };

    plot.setRenderer(ar);
    ar.setSeriesPaint(0, ColorPalette.RED); // Failures
    ar.setSeriesPaint(1, ColorPalette.BLUE); // Pass
    ar.setSeriesPaint(2, ColorPalette.YELLOW); // Skips

    // crop extra space around the graph
    plot.setInsets(new RectangleInsets(0, 0, 0, 5.0));

    return chart;
}

---

From source file:com.hmsinc.epicenter.webapp.chart.ChartService.java

/**
 * @param chart//from   ww w  . j  a  va 2  s  . c o m
 * @return
 */
private static void configureTitleAndLegend(final JFreeChart chart, final AbstractChart adapter) {

    final TextTitle title = chart.getTitle();
    if (title != null) {
        title.setFont(new Font("Arial", Font.BOLD, 12));
        // title.setBackgroundPaint(Color.CYAN);
        title.setTextAlignment(HorizontalAlignment.LEFT);
        title.setHorizontalAlignment(HorizontalAlignment.CENTER);
        title.setMargin(0, 4, 5, 6);
    }

    if (chart.getLegend() != null) {
        chart.removeLegend();

        final LegendTitle legend = new LegendTitle(chart.getPlot(), new SNColumnArrangement(0, 0),
                new ColumnArrangement(HorizontalAlignment.CENTER, VerticalAlignment.CENTER, 0, 0));

        legend.setItemFont(LEGEND_FONT);
        legend.setPosition(RectangleEdge.BOTTOM);
        legend.setHorizontalAlignment(HorizontalAlignment.CENTER);
        legend.setBackgroundPaint(Color.WHITE);
        legend.setFrame(new LineBorder());
        legend.setMargin(0, 4, 5, 6);

        chart.addLegend(legend);

        // Now we'll try to remove any duplicate items from the legend..
        final Map<String, Integer> keys = new HashMap<String, Integer>();
        final LegendItemCollection items = new LegendItemCollection();

        for (LegendItemSource source : legend.getSources()) {

            for (int i = 0; i < source.getLegendItems().getItemCount(); i++) {

                final LegendItem item = source.getLegendItems().get(i);
                if (!keys.containsKey(item.getLabel())) {
                    keys.put(item.getLabel(), i);
                    items.add(item);
                }
            }
        }

        legend.setSources(new LegendItemSource[] { new LegendItemSource() {

            /*
             * (non-Javadoc)
             * 
             * @see org.jfree.chart.LegendItemSource#getLegendItems()
             */
            public LegendItemCollection getLegendItems() {
                return items;
            }

        } });
    }
}

---

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