Example usage for org.jfree.chart JFreeChart setBackgroundImageAlpha

List of usage examples for org.jfree.chart JFreeChart setBackgroundImageAlpha

  1. HOME
  2. Java
  3. org.jfree
  4. org.jfree.chart.*
  5. JFreeChart
  6. setBackgroundImageAlpha

Introduction

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

Prototype

public void setBackgroundImageAlpha(float alpha)

Source Link

Document

Sets the alpha-transparency for the chart's background image.

Usage

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//from ww w.  j av  a 2 s  . com
 * 
 * @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:org.gbif.portal.web.util.ChartUtils.java

/**
 * Writes out the image using the supplied file name.
 * // w w  w . j a v  a 2s .  com
 * @param legend
 * @param fileName
 * @return
 */
public static String writePieChartImageToTempFile(Map<String, Double> legend, String fileName) {

    String filePath = System.getProperty(tmpDirSystemProperty) + File.separator + fileName + defaultExtension;
    File fileToCheck = new File(filePath);
    if (fileToCheck.exists()) {
        return fileName + defaultExtension;
    }

    final DefaultPieDataset data = new DefaultPieDataset();
    Set<String> keys = legend.keySet();
    for (String key : keys) {
        logger.info("Adding key : " + key);
        data.setValue(key, legend.get(key));
    }

    // create a pie chart...
    final boolean withLegend = true;
    final JFreeChart chart = ChartFactory.createPieChart(null, data, withLegend, false, false);

    PiePlot piePlot = (PiePlot) chart.getPlot();
    piePlot.setLabelFont(new Font("Arial", Font.PLAIN, 10));
    piePlot.setLabelBackgroundPaint(Color.WHITE);

    LegendTitle lt = chart.getLegend();
    lt.setBackgroundPaint(Color.WHITE);
    lt.setWidth(300);
    lt.setBorder(0, 0, 0, 0);
    lt.setItemFont(new Font("Arial", Font.PLAIN, 11));

    chart.setPadding(new RectangleInsets(0, 0, 0, 0));
    chart.setBorderVisible(false);
    chart.setBackgroundImageAlpha(0);
    chart.setBackgroundPaint(Color.WHITE);
    chart.setBorderPaint(Color.LIGHT_GRAY);

    final BufferedImage image = new BufferedImage(300, 250, BufferedImage.TYPE_INT_RGB);
    KeypointPNGEncoderAdapter adapter = new KeypointPNGEncoderAdapter();
    adapter.setQuality(1);
    try {
        adapter.encode(image);
    } catch (IOException e) {
        logger.error(e.getMessage(), e);
    }
    final Graphics2D g2 = image.createGraphics();
    g2.setFont(new Font("Arial", Font.PLAIN, 11));
    final Rectangle2D chartArea = new Rectangle2D.Double(0, 0, 300, 250);

    // draw
    chart.draw(g2, chartArea, null, null);

    try {
        FileOutputStream fOut = new FileOutputStream(fileToCheck);
        ChartUtilities.writeChartAsPNG(fOut, chart, 300, 250);
        return fileToCheck.getName();
    } catch (IOException e) {
        logger.error(e.getMessage(), e);
        return null;
    }
}

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);
    }/*from ww w  .  j  a v a  2  s  .c om*/
    //
    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.sonar.server.charts.deprecated.BaseChart.java

protected void configureChart(JFreeChart chart, RectangleEdge legendPosition) {
    chart.setBackgroundPaint(new Color(255, 255, 255, 0));
    chart.setBackgroundImageAlpha(0.0f);
    chart.setBorderVisible(false);//from w  w w .ja v  a 2s  . co m
    chart.setAntiAlias(true);
    chart.setTextAntiAlias(true);

    chart.removeLegend();
    if (legendPosition != null) {
        LegendTitle legend = new LegendTitle(chart.getPlot());
        legend.setPosition(legendPosition);
        legend.setItemPaint(BASE_COLOR);
        chart.addSubtitle(legend);
    }
}

From source file:de.perdian.apps.dashboard.support.chart.ChartCreator.java

public JFreeChart createChart(XYDataset dataset) {

    JFreeChart chart = ChartFactory.createXYLineChart(this.getTitle(), null, null, dataset,
            PlotOrientation.VERTICAL, false, false, false);
    chart.setBackgroundPaint(null);// w w w  . j a v  a  2 s .  c om
    chart.setBackgroundImageAlpha(0.0f);
    if (chart.getTitle() != null) {
        chart.getTitle().setFont(new Font(this.getFontName(), Font.BOLD, 14));
    }

    XYPlot plot = (XYPlot) chart.getPlot();
    plot.setBackgroundPaint(null);
    plot.setBackgroundAlpha(0.0f);
    plot.setOutlinePaint(this.getColor());
    plot.getDomainAxis().setVisible(false);
    plot.getDomainAxis().setAxisLineVisible(false);
    plot.getDomainAxis().setMinorTickCount(10);
    plot.getDomainAxis().setTickMarksVisible(false);
    if (this.getDomainTickUnits() != null) {
        plot.getDomainAxis().setStandardTickUnits(this.getDomainTickUnits());
    }
    plot.getRangeAxis().setVisible(true);
    plot.getRangeAxis().setAxisLineVisible(false);
    plot.getRangeAxis().setTickLabelFont(new Font(this.getFontName(), Font.PLAIN, 10));
    plot.getRangeAxis().setTickLabelPaint(this.getColor());
    plot.getRangeAxis().setTickMarksVisible(false);
    if (this.getRangeTickUnits() != null) {
        plot.getRangeAxis().setStandardTickUnits(this.getRangeTickUnits());
    }
    plot.getRangeAxis().setAttributedLabel(this.getRangeAxisLabel());

    XYLineAndShapeRenderer renderer = (XYLineAndShapeRenderer) plot.getRenderer();
    for (int i = 0; i < this.getStrokeDefinitions().size(); i++) {
        ChartStrokeDefinition strokeDefinition = this.getStrokeDefinitions().get(i);
        strokeDefinition.applyTo(renderer, i);
    }

    return chart;

}

From source file:de.suse.swamp.modules.scheduledjobs.Statistics.java

/**
 * Generating the graphs that show the amount of running finished wfs over the time.
 *//*from ww w  .ja v a  2s .  c o m*/
protected void generateWorkflowGraph(String templateName, Date startDate, Date endDate) throws Exception {
    List stats = StatisticStorage.loadStats(templateName, startDate, endDate);
    // only generate if we have stats: 
    if (stats != null && stats.size() > 0) {
        TimeSeriesCollection dataset = new TimeSeriesCollection();
        TimeSeriesCollection avgdataset = new TimeSeriesCollection();
        TimeSeries serie = new TimeSeries("running workflows", Day.class);
        TimeSeries avgserie = new TimeSeries("average age", Day.class);
        for (Iterator datait = stats.iterator(); datait.hasNext();) {
            Dbstatistics statisticItem = (Dbstatistics) datait.next();
            serie.addOrUpdate(new Day(statisticItem.getDate()), statisticItem.getRunningcount());
            avgserie.addOrUpdate(new Day(statisticItem.getDate()), statisticItem.getAvgage() / (3600 * 24));
        }
        dataset.addSeries(serie);
        avgdataset.addSeries(avgserie);

        JFreeChart chart = ChartFactory.createTimeSeriesChart("Running " + templateName + " workflows", "Date",
                "running workflows", dataset, false, false, false);

        // modify chart appearance
        chart.setBackgroundImageAlpha(0.5f);
        XYPlot plot = chart.getXYPlot();
        plot.setBackgroundPaint(Color.lightGray);
        plot.setDomainGridlinePaint(Color.white);
        plot.setRangeGridlinePaint(Color.white);
        plot.getRangeAxis().setLabelPaint(Color.blue);

        // add the second line: 
        final NumberAxis axis2 = new NumberAxis("Avg. age in days");
        axis2.setLabelPaint(Color.red);
        plot.setRangeAxis(1, axis2);
        plot.setDataset(1, avgdataset);
        plot.mapDatasetToRangeAxis(1, 1);

        final XYLineAndShapeRenderer renderer2 = new XYLineAndShapeRenderer();
        renderer2.setDrawOutlines(false);
        renderer2.setDrawSeriesLineAsPath(true);
        renderer2.setBaseShapesVisible(false);
        plot.setRenderer(1, renderer2);

        File image = new File(statPath + fs + templateName + ".png");
        if (image.exists())
            image.delete();
        try {
            ChartUtilities.saveChartAsPNG(image, chart, 750, 200);
        } catch (Exception e) {
            Logger.ERROR("Error generating graph for " + templateName + ", e: " + e.getMessage());
            e.printStackTrace();
            throw e;
        }
    }
}

From source file:com.rapidminer.gui.viewer.metadata.model.NumericalAttributeStatisticsModel.java

/**
 * Creates the histogram chart.//www.ja  va  2s  .  c  o  m
 *
 * @param exampleSet
 * @return
 */
private JFreeChart createHistogramChart(ExampleSet exampleSet) {
    JFreeChart chart = ChartFactory.createHistogram(null, null, null, createHistogramDataset(exampleSet),
            PlotOrientation.VERTICAL, false, false, false);
    AbstractAttributeStatisticsModel.setDefaultChartFonts(chart);
    chart.setBackgroundPaint(null);
    chart.setBackgroundImageAlpha(0.0f);

    XYPlot plot = (XYPlot) chart.getPlot();
    plot.setRangeGridlinesVisible(false);
    plot.setDomainGridlinesVisible(false);
    plot.setOutlineVisible(false);
    plot.setRangeZeroBaselineVisible(false);
    plot.setDomainZeroBaselineVisible(false);
    plot.setBackgroundPaint(COLOR_INVISIBLE);
    plot.setBackgroundImageAlpha(0.0f);

    XYBarRenderer renderer = (XYBarRenderer) plot.getRenderer();
    renderer.setSeriesPaint(0, AttributeGuiTools.getColorForValueType(Ontology.NUMERICAL));
    renderer.setBarPainter(new StandardXYBarPainter());
    renderer.setDrawBarOutline(true);
    renderer.setShadowVisible(false);

    return chart;
}

From source file:com.rapidminer.gui.viewer.metadata.model.NominalAttributeStatisticsModel.java

/**
 * Creates the histogram chart./* w  w  w.  j a va 2s.  co  m*/
 * 
 * @return
 */
private JFreeChart createBarChart() {
    JFreeChart chart = ChartFactory.createBarChart(null, null, null, createBarDataset(),
            PlotOrientation.VERTICAL, false, false, false);
    AbstractAttributeStatisticsModel.setDefaultChartFonts(chart);
    chart.setBackgroundPaint(null);
    chart.setBackgroundImageAlpha(0.0f);

    CategoryPlot plot = (CategoryPlot) chart.getPlot();
    plot.setRangeGridlinesVisible(false);
    plot.setDomainGridlinesVisible(false);
    plot.setOutlineVisible(false);
    plot.setRangeZeroBaselineVisible(false);
    plot.setDomainGridlinesVisible(false);
    plot.setBackgroundPaint(COLOR_INVISIBLE);
    plot.setBackgroundImageAlpha(0.0f);

    BarRenderer renderer = (BarRenderer) plot.getRenderer();
    renderer.setSeriesPaint(0, AttributeGuiTools.getColorForValueType(Ontology.NOMINAL));
    renderer.setBarPainter(new StandardBarPainter());
    renderer.setDrawBarOutline(true);
    renderer.setShadowVisible(false);

    return chart;
}

From source file:tdunnick.jphineas.console.queue.Charts.java

private BufferedImage getJFreeImage(JFreeChart image, int width, int height, ChartRenderingInfo info) {
    image.getTitle().setFont(new Font("Times New Roman", Font.BOLD, 16));
    image.setBackgroundPaint(new Color(255, 255, 255, 0));
    image.setBackgroundImageAlpha(0.0f);
    return (image.createBufferedImage(width, height, info));
}

From source file:com.rapidminer.template.gui.RoleRequirementSelector.java

private JFreeChart makeChart(ExampleSet exampleSet, Attribute att) {
    DefaultPieDataset pieDataset = new DefaultPieDataset();
    if (att.isNominal()) {
        for (String val : att.getMapping().getValues()) {
            pieDataset.setValue(val, exampleSet.getStatistics(att, Statistics.COUNT, val));
        }//www .ja v  a 2s  .  c om
    }
    JFreeChart chart = ChartFactory.createPieChart(null, pieDataset, true, false, false);
    chart.setBackgroundPaint(Color.WHITE);
    chart.getLegend().setFrame(BlockBorder.NONE);
    chart.setBackgroundImageAlpha(0.0f);
    chart.setBorderVisible(false);
    PiePlot plot = (PiePlot) chart.getPlot();
    plot.setLabelGenerator(null);
    plot.setShadowPaint(null);
    plot.setOutlineVisible(false);
    plot.setBackgroundPaint(new Color(255, 255, 255, 0));
    plot.setBackgroundImageAlpha(0.0f);
    plot.setCircular(true);
    return chart;
}