Example usage for org.jfree.chart.encoders ImageEncoderFactory newInstance

Introduction

In this page you can find the example usage for org.jfree.chart.encoders ImageEncoderFactory newInstance.

Prototype

public static ImageEncoder newInstance(String format, boolean encodingAlpha) 

Source Link

Document

Used to retrieve an ImageEncoder for a specific image format.

Usage

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

private String generateEncodedImg(BufferedImage image) {
    String base64 = "";
    try {//from w ww.  ja v  a2 s .com
        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.view.body.quantdatasetsoverview.diseasegroupsfilters.heatmap.HeatMapImgGenerator.java

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

    JPanel heatmapPanelLayout = new JPanel();
    heatmapPanelLayout.setLayout(null);//w w  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:probe.com.model.util.vaadintoimageutil.HeatmapSwingComponent.java

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

    JPanel heatmapPanelLayout = new JPanel();
    heatmapPanelLayout.setLayout(null);/*from   w ww . j  a va 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:web.diva.server.model.SomClustering.SomClustImgGenerator.java

private String generateEncodedImg(BufferedImage upperTreeBImage) {
    String sideTreeBase64 = "";
    try {//  w  w  w  .j  a  v  a  2s .  c om
        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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