Example usage for java.awt.image BufferedImage createGraphics

Introduction

In this page you can find the example usage for java.awt.image BufferedImage createGraphics.

Prototype

public Graphics2D createGraphics() 

Source Link

Document

Creates a Graphics2D , which can be used to draw into this BufferedImage .

Usage

From source file:com.fusesource.forge.jmstest.persistence.rrd.RrdGraphPostProcessor.java

private void createThumbnail(BufferedImage image, String name, int thumbWidth, int thumbHeight) {

    double thumbRatio = (double) thumbWidth / (double) thumbHeight;
    int imageWidth = image.getWidth(null);
    int imageHeight = image.getHeight(null);
    double imageRatio = (double) imageWidth / (double) imageHeight;

    if (thumbRatio < imageRatio) {
        thumbHeight = (int) (thumbWidth / imageRatio);
    } else {//from   ww w .j a v  a  2  s  .c o  m
        thumbWidth = (int) (thumbHeight * imageRatio);
    }

    BufferedImage thumbImage = new BufferedImage(thumbWidth,

            thumbHeight, BufferedImage.TYPE_INT_RGB);
    Graphics2D graphics2D = thumbImage.createGraphics();
    graphics2D.setRenderingHint(RenderingHints.KEY_INTERPOLATION, RenderingHints.VALUE_INTERPOLATION_BILINEAR);
    graphics2D.drawImage(image, 0, 0, thumbWidth, thumbHeight, null);

    File thumbFile = new File(getWorkDir().getAbsolutePath() + "/" + name + "-thumb.png");

    try {
        ImageIO.write(thumbImage, "PNG", thumbFile);
    } catch (IOException ioe) {
        log().error("Error creating thumbnail for: " + name);
    }
}

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From source file:net.sf.maltcms.chromaui.project.spi.nodes.DescriptorNode.java

@Override
public Image getIcon(int type) {
    Image descrImage = DescriptorFactory.getImage(getBean());
    int w = descrImage.getWidth(null);
    int h = descrImage.getHeight(null);
    if (getBean() instanceof IColorizableDescriptor) {
        IColorizableDescriptor colorDescr = (IColorizableDescriptor) getBean();
        Color c = colorDescr.getColor();
        if (c != null) {
            BufferedImage bi = new BufferedImage(w / 10, h / 10, BufferedImage.TYPE_INT_ARGB);
            Graphics2D g2 = bi.createGraphics();

            g2.setColor(colorDescr.getColor());
            g2.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER, 0.9f));
            g2.fillRect(0, 0, bi.getWidth(), bi.getHeight());
            descrImage = ImageUtilities.mergeImages(bi, descrImage, w - bi.getWidth(), h - bi.getHeight());
        }//from   w w  w .ja v  a 2  s  .  co m
    }
    return descrImage;
}

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From source file:org.n52.server.io.DiagramGenerator.java

/**
 * Creates a time series chart diagram and writes it to the OutputStream.
 *///from   ww  w . j  a v a  2s.co  m
public void producePresentation(Map<String, OXFFeatureCollection> entireCollMap, DesignOptions options,
        FileOutputStream out, boolean compress) throws OXFException, IOException {

    // render features:
    int width = options.getWidth();
    int height = options.getHeight();
    Calendar begin = Calendar.getInstance();
    begin.setTimeInMillis(options.getBegin());
    Calendar end = Calendar.getInstance();
    end.setTimeInMillis(options.getEnd());

    DiagramRenderer renderer = new DiagramRenderer(false);

    JFreeChart diagramChart = renderer.renderChart(entireCollMap, options, begin, end, compress);
    diagramChart.removeLegend();

    // draw chart into image:
    BufferedImage diagramImage = new BufferedImage(width, height, TYPE_INT_RGB);
    Graphics2D chartGraphics = diagramImage.createGraphics();
    chartGraphics.setColor(Color.white);
    chartGraphics.fillRect(0, 0, width, height);

    diagramChart.draw(chartGraphics, new Rectangle2D.Float(0, 0, width, height));

    JPEGImageWriteParam p = new JPEGImageWriteParam(null);
    p.setCompressionMode(JPEGImageWriteParam.MODE_DEFAULT);
    write(diagramImage, FORMAT, out);
}

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From source file:com.krawler.esp.handlers.FileUploadHandler.java

private BufferedImage toBufferedImage(Image image, int type) {
    image = new ImageIcon(image).getImage();
    BufferedImage bufferedImage = new BufferedImage(image.getWidth(null), image.getHeight(null), type);
    Graphics g = bufferedImage.createGraphics();
    if (type == BufferedImage.TYPE_INT_RGB) {
        g.setColor(Color.white);// w  w  w. ja  v  a  2  s  . c  o m
        g.fillRect(0, 0, image.getWidth(null), image.getHeight(null));
    }
    g.drawImage(image, 0, 0, null);
    g.dispose();

    return bufferedImage;
}

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From source file:CompositeTest.java

public void paintComponent(Graphics g) {
    Graphics2D g2 = (Graphics2D) g;

    BufferedImage image = new BufferedImage(getWidth(), getHeight(), BufferedImage.TYPE_INT_ARGB);
    Graphics2D gImage = image.createGraphics();
    gImage.setPaint(Color.red);//from w ww. j av a  2s.  com
    gImage.fill(shape1);
    AlphaComposite composite = AlphaComposite.getInstance(rule, alpha);
    gImage.setComposite(composite);
    gImage.setPaint(Color.blue);
    gImage.fill(shape2);
    g2.drawImage(image, null, 0, 0);
}

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From source file:image.text.CreateTifAndAnnotate.java

public void createAnnotatedTif(String[] args, OutputStream out) throws Exception {

    byte[] byteArray = new byte[] { -1, 0 };
    ColorModel colorModel = new IndexColorModel(1, 2, byteArray, byteArray, byteArray);

    WritableRaster writeableRaster = Raster.createPackedRaster(DataBuffer.TYPE_BYTE, 1700, 2200, 1, 1, null);
    BufferedImage bufImg = new BufferedImage(colorModel, writeableRaster, false, null);

    // -------------------------------------------------------------------        
    Graphics2D g2d = bufImg.createGraphics();
    g2d.setColor(Color.black);//from   w  ww  . jav  a  2  s .co m

    Font font = new Font("Arial Bold", Font.PLAIN, 36);
    g2d.setFont(font);
    int vertPos = 200;
    for (int i = 0; i < args.length; i++) {
        g2d.drawString(args[i], 75, vertPos);
        vertPos += 48;
    }

    PlanarImage planarImage = PlanarImage.wrapRenderedImage(bufImg);

    TIFFEncodeParam encodeParam = new TIFFEncodeParam();
    encodeParam.setCompression(TIFFEncodeParam.COMPRESSION_GROUP4);
    encodeParam.setWriteTiled(false); // false means use strips.
    encodeParam.setTileSize(0, 0); // tiling will make the file size much larger. 
    encodeParam.setLittleEndian(true); // create an Intel (II) format image

    String SoftwareVersion[] = new String[] { "TIFF by Joe, " + this.getClass().getName() };
    String docName[] = new String[] { "JoesTifAnnotator" };

    // Create a new TIFF fields including a new TIFF ASCII TIFF tag.
    TIFFField tiffFields[] = new TIFFField[5];

    tiffFields[0] = new TIFFField(269, TIFFField.TIFF_ASCII, docName.length, docName);
    tiffFields[1] = new TIFFField(282, TIFFField.TIFF_RATIONAL, 1, new long[][] { { 200, 1 } });
    tiffFields[2] = new TIFFField(283, TIFFField.TIFF_RATIONAL, 1, new long[][] { { 200, 1 } });
    // resolution unit 
    tiffFields[3] = new TIFFField(296, TIFFField.TIFF_SHORT, 1, new char[] { 2 });
    tiffFields[4] = new TIFFField(305, TIFFField.TIFF_ASCII, SoftwareVersion.length, SoftwareVersion);

    encodeParam.setExtraFields(tiffFields);

    TIFFImageEncoder encoder = new TIFFImageEncoder(out, encodeParam);
    encoder.encode(planarImage);
}

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From source file:eu.novait.imagerenamer.model.ImageFile.java

private void createThumbnail() {
    try {/*from   w  w w. ja  v a 2  s. com*/
        BufferedImage tmp = ImageIO.read(this.filepath);
        int tmpW = tmp.getWidth();
        int tmpH = tmp.getHeight();
        double ratio = (double) tmpW / (double) tmpH;
        int w = 400;
        int h = (int) Math.round(w / ratio);
        BufferedImage bi = getCompatibleImage(w, h);
        Graphics2D g2d = bi.createGraphics();
        double xScale = (double) w / tmp.getWidth();
        double yScale = (double) h / tmp.getHeight();
        AffineTransform at = AffineTransform.getScaleInstance(xScale, yScale);
        g2d.drawRenderedImage(tmp, at);
        g2d.dispose();
        this.setThumbnail(bi);
    } catch (IOException ex) {
        Logger.getLogger(ImageFile.class.getName()).log(Level.SEVERE, null, ex);
    }
}

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From source file:org.n52.oxf.render.sos.ScatterPlotChartRenderer.java

/**
 * The resulting IVisualization shows a scatterplot.
 * //from  w  ww.  j a v  a  2  s .co m
 * Auf X- und Y-Achse wird jeweils eine observedProperty abgetragen.
 * 
 * Ein Punkt steht dann fr ein Wertepaar (X,Y) fr ein FOI zu einem bestimmten Zeitpunkt.
 * 
 * TODO PROBLEM: Macht nur Sinn, wenn fr jedes (FOI, Time)-Tuple jeweils ein Wert fr BEIDE
 * observedPropertys enthalten ist !!!!
 */
public IVisualization renderChart(OXFFeatureCollection observationCollection, ParameterContainer paramCon,
        int width, int height) {
    JFreeChart chart = renderChart(observationCollection, paramCon);

    Plot plot = chart.getPlot();

    // draw plot into image:

    BufferedImage image = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB);

    Graphics2D g = image.createGraphics();

    plot.draw(g, new Rectangle2D.Float(0, 0, width, height), null, null, null);

    return new StaticVisualization(image);
}

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From source file:ScreenCapture.java

public boolean crop() {
    if (startPoint.equals(endPoint))
        return true;

    boolean succeeded = true;

    int x1 = (startPoint.x < endPoint.x) ? startPoint.x : endPoint.x;
    int y1 = (startPoint.y < endPoint.y) ? startPoint.y : endPoint.y;

    int x2 = (startPoint.x > endPoint.x) ? startPoint.x : endPoint.x;
    int y2 = (startPoint.y > endPoint.y) ? startPoint.y : endPoint.y;

    int width = (x2 - x1) + 1;
    int height = (y2 - y1) + 1;

    BufferedImage biCrop = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB);
    Graphics2D g2d = biCrop.createGraphics();
    BufferedImage bi = (BufferedImage) image;
    BufferedImage bi2 = bi.getSubimage(x1, y1, width, height);
    g2d.drawImage(bi2, null, 0, 0);/*from w  w w.j  a  v a  2  s .c  o m*/

    g2d.dispose();

    if (succeeded)
        setImage(biCrop);
    else {
        startPoint.x = endPoint.x;
        startPoint.y = endPoint.y;
        repaint();
    }

    return succeeded;
}

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From source file:de.jwic.ecolib.controls.chart.ChartControl.java

public void renderImage() throws IOException {
    // create image to draw into
    BufferedImage bi = new BufferedImage(width < 10 ? 10 : width, height < 10 ? 10 : height,
            BufferedImage.TYPE_INT_ARGB);
    Graphics2D g2d = bi.createGraphics();

    if (chart != null) {
        chart.setBackgroundPaint(Color.WHITE);
        chart.draw(g2d, new Rectangle2D.Double(0, 0, width < 10 ? 10 : width, height < 10 ? 10 : height));
    } else {//from  w w w  .j a va 2 s  . c o m
        g2d.setColor(Color.BLACK);
        g2d.drawString("No chart has been assigned.", 1, 20);
    }
    // finish drawing
    g2d.dispose();

    // write image data into output stream
    ByteArrayOutputStream out = getImageOutputStream();
    out.reset();
    // create a PNG image
    ImageWriter imageWriter = new PNGImageWriter(null);
    ImageWriteParam param = imageWriter.getDefaultWriteParam();
    imageWriter.setOutput(new MemoryCacheImageOutputStream(out));
    imageWriter.write(null, new IIOImage(bi, null, null), param);
    imageWriter.dispose();

    setMimeType(MIME_TYPE_PNG);
}

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