Example usage for org.jfree.chart.encoders ImageEncoder encode

Introduction

In this page you can find the example usage for org.jfree.chart.encoders ImageEncoder encode.

Prototype

public byte[] encode(BufferedImage bufferedImage) throws IOException;

Source Link

Document

Encodes an image in a particular format.

Usage

From source file:probe.com.model.util.SwingToImageGenerator.java

private String generateEncodedImg(BufferedImage image) {
    String base64 = "";
    try {/*  ww  w  .j  a va  2 s  .c  o m*/
        ImageEncoder in = ImageEncoderFactory.newInstance(ImageFormat.PNG, 0);
        byte[] imageData = in.encode(image);
        base64 = Base64.encodeBase64String(imageData);
        base64 = "data:image/png;base64," + base64;
        System.gc();
    } catch (IOException exp) {
        System.err.println(exp.getLocalizedMessage());
    }
    return base64;
}

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From source file:probe.com.model.util.vaadintoimageutil.HeatmapSwingComponent.java

public String generateHeatmap(String[] rows, String[] columns, String[][] data) {

    JPanel heatmapPanelLayout = new JPanel();
    heatmapPanelLayout.setLayout(null);// ww w. j a  v  a  2s.  co  m
    heatmapPanelLayout.setVisible(true);
    heatmapPanelLayout.setBorder(new LineBorder(Color.BLACK));
    int width = (columns.length + 1) * 50;
    int height = (rows.length + 1) * 50;
    heatmapPanelLayout.setSize(width, height);
    JPanel cornerCell = initCell("#ffffff", 0, 0);
    int x = 50;
    int y = 0;
    heatmapPanelLayout.add(cornerCell);

    for (String headerCell : columns) {
        JPanel cell = initCell(headerCell, x, y);
        x += 50;
        heatmapPanelLayout.add(cell);

    }
    y = 50;
    for (String headerCell : rows) {
        JPanel cell = initCell(headerCell, 0, y);
        y += 50;
        heatmapPanelLayout.add(cell);

    }
    x = 50;
    y = 50;
    for (String[] row : data) {
        for (String color : row) {
            JPanel cell = initCell(color, x, y);
            heatmapPanelLayout.add(cell);
            x += 50;
        }
        x = 50;
        y += 50;
    }

    BufferedImage image = new BufferedImage(width, height, BufferedImage.TYPE_INT_ARGB);
    Graphics2D graphics = image.createGraphics();
    graphics.setPaint(Color.WHITE);
    heatmapPanelLayout.paint(graphics);
    //        super.paint(graphics);
    byte[] imageData = null;

    try {

        ImageEncoder in = ImageEncoderFactory.newInstance(ImageFormat.PNG, new Float(0.084666f));
        imageData = in.encode(image);
    } catch (Exception e) {
        System.out.println(e.getLocalizedMessage());
    }

    String base64 = Base64.encodeBytes(imageData);
    base64 = "data:image/png;base64," + base64;
    return base64;
    //
    //        JFrame frame = new JFrame();
    //        frame.setSize(1000, 1000);
    //        frame.add(heatmapPanelLayout);
    //        frame.setVisible(true);

    //        return "";
}

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From source file:org.squale.squaleweb.util.graph.AbstractGraphMaker.java

/**
 * Permet de fabriquer l'image sous forme d'un tableau de byte <b>Attention : </b> la mthode de la classe fille
 * doit vrifier que mChart est initialis
 * //  w  w  w. j  a v a2s  .  c o m
 * @return un tableau de byte contenant une BufferedImage
 * @throws IOException si une erreur a lieu
 */
public byte[] getImageInBytes() throws IOException {
    BufferedImage bufImage = getChart().createBufferedImage(mWidth, mHeight);
    ImageEncoder encoder = ImageEncoderFactory.newInstance(mFormat);

    return encoder.encode(bufImage);
}

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From source file:probe.com.view.body.quantdatasetsoverview.diseasegroupsfilters.heatmap.HeatMapImgGenerator.java

public String generateHeatmap(String[] rows, String[] columns, String[][] data) {

    JPanel heatmapPanelLayout = new JPanel();
    heatmapPanelLayout.setLayout(null);/*from  ww  w  .ja  v  a  2 s  .c  o  m*/
    heatmapPanelLayout.setVisible(true);

    int width = (columns.length + 1) * 50;
    int height = (rows.length + 1) * 50;
    heatmapPanelLayout.setSize(width, height);
    JPanel cornerCell = initCell("#ffffff", 0, 0);
    int x = 50;
    int y = 0;
    heatmapPanelLayout.add(cornerCell);

    for (String headerCell : columns) {
        JPanel cell = initCell(headerCell, x, y);
        x += 50;
        heatmapPanelLayout.add(cell);

    }
    y = 50;
    for (String headerCell : rows) {
        JPanel cell = initCell(headerCell, 0, y);
        y += 50;
        heatmapPanelLayout.add(cell);

    }
    x = 50;
    y = 50;
    for (String[] row : data) {
        for (String color : row) {
            JPanel cell = initCell(color, x, y);
            heatmapPanelLayout.add(cell);
            x += 50;
        }
        x = 50;
        y += 50;
    }

    BufferedImage image = new BufferedImage(width + 10, height + 10, BufferedImage.TYPE_INT_ARGB);
    Graphics2D graphics = image.createGraphics();
    graphics.setPaint(Color.WHITE);
    graphics.setBackground(Color.WHITE);
    heatmapPanelLayout.paint(graphics);
    byte[] imageData = null;

    try {

        ImageEncoder in = ImageEncoderFactory.newInstance(ImageFormat.PNG, new Float(0.084666f));
        imageData = in.encode(image);
    } catch (Exception e) {
        System.out.println(e.getLocalizedMessage());
    }

    String base64 = Base64.encodeBytes(imageData);
    base64 = "data:image/png;base64," + base64;
    return base64;

}

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From source file:edu.jhuapl.graphs.jfreechart.JFreeChartBaseSource.java

/**
 * {@inheritDoc}//ww  w  .  jav  a2  s  .c om
 */
@Override
public RenderedGraph renderGraph(int width, int height, Encoding encoding) throws GraphException {
    if (!isInitialized()) {
        throw new GraphException("Not Initialized");
    }

    ImageEncoder encoder = getEncoder(encoding);
    ChartRenderingInfo info = new ChartRenderingInfo();
    byte[] data;
    try {
        data = encoder.encode(renderImage(width, height, info));
    } catch (IOException e) {
        throw new GraphException("Image encoding failed", e);
    }

    return new JFreeChartRenderedGraph(info, data, encoding);
}

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From source file:web.diva.server.model.SomClustering.SomClustImgGenerator.java

private String generateEncodedImg(BufferedImage upperTreeBImage) {
    String sideTreeBase64 = "";
    try {//from w  w w.  j av a 2 s  . co  m
        ImageEncoder in = ImageEncoderFactory.newInstance(ImageFormat.PNG, 0);

        byte[] imageData = in.encode(upperTreeBImage);
        sideTreeBase64 = Base64.encodeBase64String(imageData);
        sideTreeBase64 = "data:image/png;base64," + sideTreeBase64;
        System.gc();
    } catch (IOException exp) {
        System.err.println(exp.getLocalizedMessage());
    }
    return sideTreeBase64;
}

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