Example usage for org.jfree.chart JFreeChart draw

Introduction

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

Prototype

public void draw(Graphics2D g2, Rectangle2D chartArea, Point2D anchor, ChartRenderingInfo info) 

Source Link

Document

Draws the chart on a Java 2D graphics device (such as the screen or a printer).

Usage

From source file:org.gbif.portal.web.util.ChartUtils.java

/**
 * Writes out the image using the supplied file name.
 * //from  w w w .j  a  va2 s  . co m
 * @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;
    }
}

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From source file:org.jfree.chart.demo.ChartTiming1.java

/**
 * Runs the timing./*  w  w w.  j a v  a 2s  .  c  o  m*/
 */
public void run() {
    this.finished = false;

    // create a dataset...
    final DefaultPieDataset data = new DefaultPieDataset();
    data.setValue("One", new Double(10.3));
    data.setValue("Two", new Double(8.5));
    data.setValue("Three", new Double(3.9));
    data.setValue("Four", new Double(3.9));
    data.setValue("Five", new Double(3.9));
    data.setValue("Six", new Double(3.9));

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

    final BufferedImage image = new BufferedImage(400, 300, BufferedImage.TYPE_INT_RGB);
    final Graphics2D g2 = image.createGraphics();
    final Rectangle2D chartArea = new Rectangle2D.Double(0, 0, 400, 300);

    // set up the timer...
    final Timer timer = new Timer(10000, this);
    timer.setRepeats(false);
    int count = 0;
    timer.start();
    while (!this.finished) {
        chart.draw(g2, chartArea, null, null);
        System.out.println("Charts drawn..." + count);
        if (!this.finished) {
            count++;
        }
    }
    System.out.println("DONE");

}

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From source file:org.jfree.chart.demo.ChartTiming4.java

/**
 * Runs the test./*  w w  w  .j a  v  a2  s  .  c  o  m*/
 */
public void run() {

    this.finished = false;

    // create a dataset...
    populateData();

    // create a fast scatter chart...
    final Plot plot = new FastScatterPlot(this.data, new NumberAxis("X"), new NumberAxis("Y"));
    final JFreeChart chart = new JFreeChart("Fast Scatter Plot Timing", JFreeChart.DEFAULT_TITLE_FONT, plot,
            true);

    final BufferedImage image = new BufferedImage(400, 300, BufferedImage.TYPE_INT_RGB);
    final Graphics2D g2 = image.createGraphics();
    final Rectangle2D chartArea = new Rectangle2D.Double(0, 0, 400, 300);

    // set up the timer...
    final Timer timer = new Timer(10000, this);
    timer.setRepeats(false);
    int count = 0;
    timer.start();
    while (!this.finished) {
        chart.draw(g2, chartArea, null, null);
        System.out.println("Charts drawn..." + count);
        if (!this.finished) {
            count++;
        }
    }
    System.out.println("DONE");

}

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From source file:org.jfree.chart.demo.ChartTiming2.java

/**
 * Runs the test./*from  w  w  w.  j a  v  a  2 s .c  om*/
 */
public void run() {

    this.finished = false;

    // create a dataset...
    final XYDataset data = new SampleXYDataset2(1, 1440);

    // create a scatter chart...
    final boolean withLegend = true;
    final JFreeChart chart = ChartFactory.createScatterPlot("Scatter plot timing", "X", "Y", data,
            PlotOrientation.VERTICAL, withLegend, false, false);

    final XYPlot plot = chart.getXYPlot();
    plot.setRenderer(new XYDotRenderer());

    final BufferedImage image = new BufferedImage(400, 300, BufferedImage.TYPE_INT_RGB);
    final Graphics2D g2 = image.createGraphics();
    final Rectangle2D chartArea = new Rectangle2D.Double(0, 0, 400, 300);

    // set up the timer...
    final Timer timer = new Timer(10000, this);
    timer.setRepeats(false);
    int count = 0;
    timer.start();
    while (!this.finished) {
        chart.draw(g2, chartArea, null, null);
        System.out.println("Charts drawn..." + count);
        if (!this.finished) {
            count++;
        }
    }
    System.out.println("DONE");

}

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From source file:org.jfree.chart.demo.ChartTiming3.java

/**
 * Runs the test./*from  w ww . jav  a  2s.  co  m*/
 */
public void run() {

    this.finished = false;

    // create a dataset...
    final XYSeries series = new XYSeries("Random Data");
    for (int i = 0; i < 1440; i++) {
        final double x = Math.random();
        final double y = Math.random();
        series.add(x, y);
    }
    final XYDataset data = new XYSeriesCollection(series);

    // create a scatter chart...
    final boolean withLegend = true;
    final JFreeChart chart = ChartFactory.createScatterPlot("Scatter plot timing", "X", "Y", data,
            PlotOrientation.VERTICAL, withLegend, false, false);

    final XYPlot plot = chart.getXYPlot();
    plot.setRenderer(new XYDotRenderer());

    final BufferedImage image = new BufferedImage(400, 300, BufferedImage.TYPE_INT_RGB);
    final Graphics2D g2 = image.createGraphics();
    final Rectangle2D chartArea = new Rectangle2D.Double(0, 0, 400, 300);

    // set up the timer...
    final Timer timer = new Timer(10000, this);
    timer.setRepeats(false);
    int count = 0;
    timer.start();
    while (!this.finished) {
        chart.draw(g2, chartArea, null, null);
        System.out.println("Charts drawn..." + count);
        if (!this.finished) {
            count++;
        }
    }
    System.out.println("DONE");

}

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From source file:ubic.gemma.web.controller.expression.experiment.ExpressionExperimentQCController.java

private void addChartToGraphics(JFreeChart chart, Graphics2D g2, double x, double y, double width,
        double height) {
    chart.draw(g2, new Rectangle2D.Double(x, y, width, height), null, null);
}

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From source file:org.gbif.portal.web.controller.dataset.IndexingHistoryController.java

/**
 * Create a time series graphic to display indexing processes.
 * //from   w  ww.  j a v  a 2 s  .c o m
 * @param dataProvider
 * @param dataResource
 * @param activities
 * @param fileNamePrefix
 * @return
 */
public String timeSeriesTest(DataProviderDTO dataProvider, DataResourceDTO dataResource,
        List<LoggedActivityDTO> loggedActivities, String fileNamePrefix, int minProcessingTimeToRender) {

    List<LoggedActivityDTO> activities = new ArrayList<LoggedActivityDTO>();
    for (LoggedActivityDTO la : loggedActivities) {
        if (la.getDataResourceKey() != null && la.getDataResourceName() != null && la.getEventName() != null)
            activities.add(la);
    }

    //if no activities to render, return
    if (activities.isEmpty())
        return null;

    Map<String, Integer> drActualCount = new HashMap<String, Integer>();
    Map<String, Integer> drCount = new HashMap<String, Integer>();

    //record the actual counts
    for (LoggedActivityDTO laDTO : activities) {
        if (laDTO.getStartDate() != null && laDTO.getEndDate() != null
                && laDTO.getDurationInMillisecs() > minProcessingTimeToRender) {
            if (drActualCount.get(laDTO.getDataResourceName()) == null) {
                drActualCount.put(laDTO.getDataResourceName(), new Integer(4));
                drCount.put(laDTO.getDataResourceName(), new Integer(0));
            } else {
                Integer theCount = drActualCount.get(laDTO.getDataResourceName());
                theCount = new Integer(theCount.intValue() + 4);
                drActualCount.remove(laDTO.getDataResourceName());
                drActualCount.put(laDTO.getDataResourceName(), theCount);
            }
        }
    }

    StringBuffer fileNameBuffer = new StringBuffer(fileNamePrefix);
    if (dataResource != null) {
        fileNameBuffer.append("-resource-");
        fileNameBuffer.append(dataResource.getKey());
    } else if (dataProvider != null) {
        fileNameBuffer.append("-provider-");
        fileNameBuffer.append(dataProvider.getKey());
    }
    fileNameBuffer.append(".png");

    String fileName = fileNameBuffer.toString();
    String filePath = System.getProperty("java.io.tmpdir") + File.separator + fileName;

    File fileToCheck = new File(filePath);
    if (fileToCheck.exists()) {
        return fileName;
    }

    TimeSeriesCollection dataset = new TimeSeriesCollection();
    boolean generateChart = false;

    int count = 1;
    int dataResourceCount = 1;

    Collections.sort(activities, new Comparator<LoggedActivityDTO>() {
        public int compare(LoggedActivityDTO o1, LoggedActivityDTO o2) {
            if (o1 == null || o2 == null || o1.getDataResourceKey() != null || o2.getDataResourceKey() != null)
                return -1;
            return o1.getDataResourceKey().compareTo(o2.getDataResourceKey());
        }
    });

    String currentDataResourceKey = activities.get(0).getDataResourceKey();

    for (LoggedActivityDTO laDTO : activities) {
        if (laDTO.getStartDate() != null && laDTO.getEndDate() != null
                && laDTO.getDurationInMillisecs() > minProcessingTimeToRender) {

            if (currentDataResourceKey != null && !currentDataResourceKey.equals(laDTO.getDataResourceKey())) {
                dataResourceCount++;
                count = count + 1;
                currentDataResourceKey = laDTO.getDataResourceKey();
            }
            TimeSeries s1 = new TimeSeries(laDTO.getDataResourceName(), "Process time period",
                    laDTO.getEventName(), Hour.class);
            s1.add(new Hour(laDTO.getStartDate()), count);
            s1.add(new Hour(laDTO.getEndDate()), count);
            dataset.addSeries(s1);
            generateChart = true;
        }
    }

    if (!generateChart)
        return null;

    // create a pie chart...
    final JFreeChart chart = ChartFactory.createTimeSeriesChart(null, null, null, dataset, false, false, false);

    XYPlot plot = chart.getXYPlot();
    plot.setWeight(10);
    plot.getRangeAxis().setAutoRange(false);
    plot.getRangeAxis().setRange(0, drCount.size() + 1);
    plot.getRangeAxis().setAxisLineVisible(false);
    plot.getRangeAxis().setAxisLinePaint(Color.WHITE);
    plot.setDomainCrosshairValue(1);
    plot.setRangeGridlinesVisible(false);
    plot.getRangeAxis().setVisible(false);
    plot.getRangeAxis().setLabel("datasets");

    XYLineAndShapeRenderer renderer = (XYLineAndShapeRenderer) plot.getRenderer();
    renderer.setItemLabelsVisible(true);
    MyXYItemLabelGenerator labelGenerator = new MyXYItemLabelGenerator();
    labelGenerator.setDataResourceActualCount(drActualCount);
    labelGenerator.setDataResourceCount(drCount);
    renderer.setItemLabelGenerator(labelGenerator);

    List<TimeSeries> seriesList = dataset.getSeries();
    for (TimeSeries series : seriesList) {
        if (((String) series.getRangeDescription()).startsWith("extraction")) {
            renderer.setSeriesPaint(seriesList.indexOf(series), Color.RED);
        } else {
            renderer.setSeriesPaint(seriesList.indexOf(series), Color.BLUE);
        }
        renderer.setSeriesStroke(seriesList.indexOf(series), new BasicStroke(7f));
    }

    int imageHeight = 30 * dataResourceCount;
    if (imageHeight < 100) {
        imageHeight = 100;
    } else {
        imageHeight = imageHeight + 100;
    }

    final BufferedImage image = new BufferedImage(900, imageHeight, 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, 900, imageHeight);

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

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

    try {
        FileOutputStream fOut = new FileOutputStream(filePath);
        ChartUtilities.writeChartAsPNG(fOut, chart, 900, imageHeight);
        return fileName;
    } catch (IOException e) {
        logger.error(e.getMessage(), e);
    }
    return null;
}

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