Examples with ImageSize org.opennms.netmgt.config.charts.ImageSize used on opensource projects

Example 1 with ImageSize

use of org.opennms.netmgt.config.charts.ImageSize 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 2 with ImageSize

use of org.opennms.netmgt.config.charts.ImageSize in project opennms by OpenNMS.

the class ChartUtils method getBarChart.

/**
     * Helper method that returns the JFreeChart to an output stream written in JPEG format.
     *
     * @param chartName a {@link java.lang.String} object.
     * @param out a {@link java.io.OutputStream} object.
     * @throws java.io.IOException if any.
     * @throws java.sql.SQLException if any.
     */
public static void getBarChart(String chartName, OutputStream out) 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();
    }
    ChartUtilities.writeChartAsJPEG(out, chart, hzPixels, vtPixels);
}

Example 3 with ImageSize

use of org.opennms.netmgt.config.charts.ImageSize 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));
}

Example 4 with ImageSize

use of org.opennms.netmgt.config.charts.ImageSize in project opennms by OpenNMS.

the class ChartUtils method getBarChartPNG.

/**
     * Helper method that returns the JFreeChart to an output stream written in JPEG format.
     *
     * @param chartName a {@link java.lang.String} object.
     * @param out a {@link java.io.OutputStream} object.
     * @throws java.io.IOException if any.
     * @throws java.sql.SQLException if any.
     */
public static void getBarChartPNG(String chartName, OutputStream out) throws IOException, SQLException {
    ChartFactory.setChartTheme(StandardChartTheme.createLegacyTheme());
    BarChart chartConfig = getBarChartConfigByName(chartName);
    JFreeChart chart = getBarChart(chartName);
    if (chartConfig.getChartBackgroundColor() != null) {
        setChartBackgroundColor(chartConfig, chart);
    }
    if (chartConfig.getPlotBackgroundColor() != null) {
        setPlotBackgroundColor(chartConfig, chart);
    }
    ImageSize imageSize = chartConfig.getImageSize();
    int hzPixels;
    int vtPixels;
    if (imageSize == null) {
        hzPixels = 400;
        vtPixels = 400;
    } else {
        hzPixels = imageSize.getHzSize().getPixels();
        vtPixels = imageSize.getVtSize().getPixels();
    }
    ChartUtilities.writeChartAsPNG(out, chart, hzPixels, vtPixels, false, 6);
}