Examples with JFreeChart org.jfree.chart.JFreeChart used on opensource projects

Example 16 with JFreeChart

use of org.jfree.chart.JFreeChart in project openblocks by mikaelhg.

the class CLineGraph method getOutputPanel.

public ChartPanel getOutputPanel() {
    //we return a copy of the chart because we only want to show the
    //legend in the larger view of the graph
    //not the small runtime graph block view
    JFreeChart newChart = new JFreeChart(chart.getPlot());
    newChart.getLegend().setPosition(RectangleEdge.TOP);
    newChart.getLegend().setPadding(5, 5, 5, 5);
    newChart.setBackgroundPaint(background);
    output = new ChartPanel(newChart);
    return output;
}

Example 17 with JFreeChart

use of org.jfree.chart.JFreeChart in project Openfire by igniterealtime.

the class GraphEngine method createChart.

private JFreeChart createChart(String title, XYPlot plot) {
    JFreeChart chart = new JFreeChart(title, JFreeChart.DEFAULT_TITLE_FONT, plot, false);
    chart.setBackgroundPaint(Color.white);
    return chart;
}

Example 18 with JFreeChart

use of org.jfree.chart.JFreeChart in project Openfire by igniterealtime.

the class GraphEngine method generateSparklineAreaChart.

/**
     * Generates a SparkLine Time Area Chart.
     * @param key
     * @param stats
     * @param startTime
     * @param endTime
     * @return chart
     */
private JFreeChart generateSparklineAreaChart(String key, String color, Statistic[] stats, long startTime, long endTime, int dataPoints) {
    Color backgroundColor = getBackgroundColor();
    XYDataset dataset = populateData(key, stats, startTime, endTime, dataPoints);
    JFreeChart chart = ChartFactory.createXYAreaChart(// chart title
    null, // xaxis label
    null, // yaxis label
    null, // data
    dataset, PlotOrientation.VERTICAL, // include legend
    false, // tooltips?
    false, // URLs?
    false);
    chart.setBackgroundPaint(backgroundColor);
    chart.setBorderVisible(false);
    chart.setBorderPaint(null);
    XYPlot plot = (XYPlot) chart.getPlot();
    plot.setForegroundAlpha(1.0f);
    plot.setDomainGridlinesVisible(false);
    plot.setDomainCrosshairVisible(false);
    plot.setRangeCrosshairVisible(false);
    plot.setBackgroundPaint(backgroundColor);
    plot.setRangeGridlinesVisible(false);
    GraphDefinition graphDef = GraphDefinition.getDefinition(color);
    Color plotColor = graphDef.getInlineColor(0);
    plot.getRenderer().setSeriesPaint(0, plotColor);
    plot.getRenderer().setBaseItemLabelsVisible(false);
    plot.getRenderer().setBaseOutlinePaint(backgroundColor);
    plot.setOutlineStroke(null);
    plot.setDomainGridlinePaint(null);
    NumberAxis xAxis = (NumberAxis) chart.getXYPlot().getDomainAxis();
    xAxis.setLabel(null);
    xAxis.setTickLabelsVisible(true);
    xAxis.setTickMarksVisible(true);
    xAxis.setAxisLineVisible(false);
    xAxis.setNegativeArrowVisible(false);
    xAxis.setPositiveArrowVisible(false);
    xAxis.setVisible(false);
    NumberAxis yAxis = (NumberAxis) chart.getXYPlot().getRangeAxis();
    yAxis.setTickLabelsVisible(false);
    yAxis.setTickMarksVisible(false);
    yAxis.setAxisLineVisible(false);
    yAxis.setNegativeArrowVisible(false);
    yAxis.setPositiveArrowVisible(false);
    yAxis.setVisible(false);
    return chart;
}

Example 19 with JFreeChart

use of org.jfree.chart.JFreeChart in project Openfire by igniterealtime.

the class GraphEngine method generateChart.

/**
     * Creates a chart.
     *
     * @param key
     * @param width
     * @param height
     * @param startTime
     * @param endTime
     * @param dataPoints
     * @return
     * @throws IOException
     */
public JFreeChart generateChart(String key, int width, int height, String color, long startTime, long endTime, int dataPoints) throws IOException {
    Statistic[] def = statsViewer.getStatistic(key);
    if (def == null) {
        return null;
    }
    XYDataset data = populateData(key, def, startTime, endTime, dataPoints);
    if (data == null) {
        return null;
    }
    JFreeChart chart;
    switch(def[0].getStatType()) {
        case count:
            chart = createTimeBarChart(null, color, def[0].getUnits(), data);
            break;
        default:
            chart = createTimeAreaChart(null, color, def[0].getUnits(), data);
    }
    return chart;
}

Example 20 with JFreeChart

use of org.jfree.chart.JFreeChart in project Openfire by igniterealtime.

the class GraphEngine method generateSparklinesGraph.

/**
     * Generates a Sparkline type graph. Sparkline graphs
     * are "intense, simple, wordlike graphics" so named by Edward Tufte. The big
     * difference between the graph produced by this method compared to the
     * graph produced by the <code>generateGraph</code> method is that this one
     * produces graphs with no x-axis and no y-axis and is usually smaller in size.
     * @param key
     * @param width
     * @param height
     * @param startTime
     * @param endTime
     * @param dataPoints
     * @return
     * @throws IOException
     */
public byte[] generateSparklinesGraph(String key, int width, int height, String color, long startTime, long endTime, int dataPoints) throws IOException {
    Statistic[] def = statsViewer.getStatistic(key);
    if (def == null) {
        return null;
    }
    JFreeChart chart;
    switch(def[0].getStatType()) {
        case count:
            chart = generateSparklineBarGraph(key, color, def, startTime, endTime, dataPoints);
            break;
        default:
            chart = generateSparklineAreaChart(key, color, def, startTime, endTime, dataPoints);
    }
    KeypointPNGEncoderAdapter encoder = new KeypointPNGEncoderAdapter();
    encoder.setEncodingAlpha(true);
    return encoder.encode(chart.createBufferedImage(width, height, BufferedImage.BITMASK, null));
}