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

Example 86 with JFreeChart

use of org.jfree.chart.JFreeChart in project processdash by dtuma.

the class PieChart method createChart.

/** Create a  line chart. */
@Override
public JFreeChart createChart() {
    CategoryDataset catData = data.catDataSource();
    PieDataset pieData = null;
    if (catData.getColumnCount() == 1)
        pieData = DatasetUtilities.createPieDatasetForColumn(catData, 0);
    else
        pieData = DatasetUtilities.createPieDatasetForRow(catData, 0);
    JFreeChart chart = null;
    if (get3DSetting()) {
        chart = ChartFactory.createPieChart3D(null, pieData, true, true, false);
        chart.getPlot().setForegroundAlpha(ALPHA);
    } else {
        chart = ChartFactory.createPieChart(null, pieData, true, true, false);
    }
    PiePlot plot = (PiePlot) chart.getPlot();
    if (parameters.get("skipItemLabels") != null || parameters.get("skipWedgeLabels") != null)
        plot.setLabelGenerator(null);
    else if (parameters.get("wedgeLabelFontSize") != null)
        try {
            float fontSize = Float.parseFloat((String) parameters.get("wedgeLabelFontSize"));
            plot.setLabelFont(plot.getLabelFont().deriveFont(fontSize));
        } catch (Exception lfe) {
        }
    if (parameters.get("ellipse") != null)
        plot.setCircular(true);
    else
        plot.setCircular(false);
    Object colorScheme = parameters.get("colorScheme");
    if ("byPhase".equals(colorScheme))
        maybeConfigurePhaseColors(plot, pieData);
    else if ("consistent".equals(colorScheme))
        // since 2.0.9
        configureConsistentColors(plot, pieData);
    else if (parameters.containsKey("c1"))
        configureIndividualColors(plot, pieData);
    String interiorGap = (String) parameters.get("interiorGap");
    if (interiorGap != null)
        try {
            plot.setInteriorGap(Integer.parseInt(interiorGap) / 100.0);
        } catch (NumberFormatException e) {
        }
    String interiorSpacing = (String) parameters.get("interiorSpacing");
    if (interiorSpacing != null)
        try {
            plot.setInteriorGap(Integer.parseInt(interiorSpacing) / 200.0);
        } catch (NumberFormatException e) {
        }
    if (!parameters.containsKey("showZeroValues")) {
        plot.setIgnoreZeroValues(true);
        plot.setIgnoreNullValues(true);
    }
    return chart;
}

Example 87 with JFreeChart

use of org.jfree.chart.JFreeChart in project processdash by dtuma.

the class CGIChartBase method writeContents.

/** Generate CGI chart output. */
@Override
protected void writeContents() throws IOException {
    // get the data for display
    buildData();
    chromeless = (parameters.get("chromeless") != null);
    JFreeChart chart = createChart();
    int width = getIntSetting("width");
    int height = getIntSetting("height");
    Color initGradColor = getColorSetting("initGradColor");
    Color finalGradColor = getColorSetting("finalGradColor");
    chart.setBackgroundPaint(new GradientPaint(0, 0, initGradColor, width, height, finalGradColor));
    if (parameters.get("hideOutline") != null)
        chart.getPlot().setOutlinePaint(INVISIBLE);
    String title = getSetting("title");
    if (chromeless || title == null || title.length() == 0)
        chart.setTitle((TextTitle) null);
    else {
        chart.setTitle(Translator.translate(title));
        String titleFontSize = getSetting("titleFontSize");
        if (titleFontSize != null)
            try {
                float fontSize = Float.parseFloat(titleFontSize);
                TextTitle t = chart.getTitle();
                t.setFont(t.getFont().deriveFont(fontSize));
            } catch (Exception tfe) {
            }
    }
    if (chromeless || parameters.get("hideLegend") != null)
        chart.removeLegend();
    else {
        LegendTitle l = chart.getLegend();
        String legendFontSize = getSetting("legendFontSize");
        if (l != null && legendFontSize != null)
            try {
                float fontSize = Float.parseFloat(legendFontSize);
                l.setItemFont(l.getItemFont().deriveFont(fontSize));
            } catch (Exception lfe) {
            }
    }
    chart.getPlot().setNoDataMessage(resources.getString("No_Data_Message"));
    Axis xAxis = getHorizontalAxis(chart);
    if (xAxis != null) {
        if (parameters.get("hideTickLabels") != null || parameters.get("hideXTickLabels") != null) {
            xAxis.setTickLabelsVisible(false);
        } else if (parameters.get("tickLabelFontSize") != null || parameters.get("xTickLabelFontSize") != null) {
            String tfs = getParameter("xTickLabelFontSize");
            if (tfs == null)
                tfs = getParameter("tickLabelFontSize");
            float fontSize = Float.parseFloat(tfs);
            xAxis.setTickLabelFont(xAxis.getTickLabelFont().deriveFont(fontSize));
        }
    }
    Axis yAxis = getVerticalAxis(chart);
    if (yAxis != null) {
        if (parameters.get("hideTickLabels") != null || parameters.get("hideYTickLabels") != null) {
            yAxis.setTickLabelsVisible(false);
        } else if (parameters.get("tickLabelFontSize") != null || parameters.get("yTickLabelFontSize") != null) {
            String tfs = getParameter("yTickLabelFontSize");
            if (tfs == null)
                tfs = getParameter("tickLabelFontSize");
            float fontSize = Float.parseFloat(tfs);
            yAxis.setTickLabelFont(yAxis.getTickLabelFont().deriveFont(fontSize));
        }
    }
    String axisFontSize = getSetting("axisLabelFontSize");
    if (axisFontSize != null)
        try {
            float fontSize = Float.parseFloat(axisFontSize);
            if (xAxis != null)
                xAxis.setLabelFont(xAxis.getLabelFont().deriveFont(fontSize));
            if (yAxis != null)
                yAxis.setLabelFont(yAxis.getLabelFont().deriveFont(fontSize));
        } catch (Exception afs) {
        }
    ChartRenderingInfo info = (isHtmlMode() ? new ChartRenderingInfo() : null);
    BufferedImage img = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB);
    Graphics2D g2 = img.createGraphics();
    if ("auto".equals(getSetting("titleFontSize")))
        maybeAdjustTitleFontSize(chart, g2, width);
    chart.draw(g2, new Rectangle2D.Double(0, 0, width, height), info);
    g2.dispose();
    String outputFormat = getSetting("outputFormat");
    OutputStream imgOut;
    if (isHtmlMode()) {
        imgOut = PngCache.getOutputStream();
    } else {
        imgOut = outStream;
    }
    ImageIO.write(img, outputFormat, imgOut);
    imgOut.flush();
    imgOut.close();
    if (isHtmlMode())
        writeImageHtml(width, height, imgOut.hashCode(), info);
}

Example 88 with JFreeChart

use of org.jfree.chart.JFreeChart in project opennms by OpenNMS.

the class ChartUtils method getChartAsBufferedImage.

/**
 * Helper method used to return a JFreeChart as a buffered Image.
 *
 * @param chartName a {@link java.lang.String} object.
 * @return a <code>BufferedImage</code>
 * @throws java.io.IOException if any.
 * @throws java.sql.SQLException if any.
 */
public static BufferedImage getChartAsBufferedImage(String chartName) throws IOException, SQLException {
    BarChart chartConfig = getBarChartConfigByName(chartName);
    JFreeChart chart = getBarChart(chartName);
    ImageSize imageSize = chartConfig.getImageSize();
    int hzPixels;
    int vtPixels;
    if (imageSize == null) {
        hzPixels = 400;
        vtPixels = 400;
    } else {
        hzPixels = imageSize.getHzSize().getPixels();
        vtPixels = imageSize.getVtSize().getPixels();
    }
    return chart.createBufferedImage(hzPixels, vtPixels);
}

Example 89 with JFreeChart

use of org.jfree.chart.JFreeChart in project opennms by OpenNMS.

the class ChartUtils method getBarChart.

/**
 * This method will returns a JFreeChart bar chart constructed based on XML configuration.
 *
 * @param chartName Name specified in chart-configuration.xml
 * @return <code>JFreeChart</code> constructed from the chartName
 * @throws java.io.IOException if any.
 * @throws java.sql.SQLException if any.
 */
public static JFreeChart getBarChart(String chartName) throws IOException, SQLException {
    // ChartConfigFactory.reload();
    BarChart chartConfig = null;
    chartConfig = getBarChartConfigByName(chartName);
    if (chartConfig == null) {
        throw new IllegalArgumentException("getBarChart: Invalid chart name.");
    }
    DefaultCategoryDataset baseDataSet = buildCategoryDataSet(chartConfig);
    JFreeChart barChart = createBarChart(chartConfig, baseDataSet);
    addSubTitles(chartConfig, barChart);
    if (chartConfig.getSubLabelClass().isPresent()) {
        addSubLabels(barChart, chartConfig.getSubLabelClass().get());
    }
    customizeSeries(barChart, chartConfig);
    return barChart;
}

Example 90 with JFreeChart

use of org.jfree.chart.JFreeChart in project opennms by OpenNMS.

the class ChartUtils method getBarChartAsPNGByteArray.

/**
 * Helper method that returns the JFreeChart as a PNG byte array.
 *
 * @param chartName a {@link java.lang.String} object.
 * @return a byte array
 * @throws java.io.IOException if any.
 * @throws java.sql.SQLException if any.
 */
public static byte[] getBarChartAsPNGByteArray(String chartName) throws IOException, SQLException {
    BarChart chartConfig = getBarChartConfigByName(chartName);
    JFreeChart chart = getBarChart(chartName);
    ImageSize imageSize = chartConfig.getImageSize();
    int hzPixels;
    int vtPixels;
    if (imageSize == null) {
        hzPixels = 400;
        vtPixels = 400;
    } else {
        hzPixels = imageSize.getHzSize().getPixels();
        vtPixels = imageSize.getVtSize().getPixels();
    }
    return ChartUtilities.encodeAsPNG(chart.createBufferedImage(hzPixels, vtPixels));
}