Example usage for java.awt.image BufferedImage BufferedImage

List of usage examples for java.awt.image BufferedImage BufferedImage

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Introduction

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

Prototype

public BufferedImage(int width, int height, int imageType)

Source Link

Document

Constructs a BufferedImage of one of the predefined image types.

Usage

From source file:com.iiitd.qre.CreateZSignedQR.java

public static BufferedImage toBufferedImage(ByteMatrix matrix) {
    int width = matrix.getWidth();
    int height = matrix.getHeight();
    int scale = 6;
    int margin = 3;
    BufferedImage image = new BufferedImage(scale * (width + 2 * margin), scale * (height + 2 * margin),
            BufferedImage.TYPE_INT_ARGB);

    int imgX, imgY = margin * scale;
    for (int y = 0; y < height; y++) {
        for (int i = 0; i < scale; ++i) {
            imgX = margin * scale;/*from  w  w w  . j  a v  a  2 s  . c o m*/
            for (int x = 0; x < width; x++) {
                for (int j = 0; j < scale; ++j) {
                    if (matrix.get(x, y) != 0)
                        image.setRGB(imgX, imgY, BLACK);
                    ++imgX;
                }
            }
            ++imgY;
        }
    }
    return image;
}

From source file:TextureWithBufferedImage.java

public void paint(Graphics g) {
    Graphics2D g2D = (Graphics2D) g;
    Rectangle2D rec1, rec2, rec3, rec4, rec5;
    rec1 = new Rectangle2D.Float(25, 25, 75, 150);
    rec2 = new Rectangle2D.Float(125, 25, 10, 75);
    rec3 = new Rectangle2D.Float(75, 125, 125, 75);
    rec4 = new Rectangle2D.Float(25, 15, 12, 75);
    rec5 = new Rectangle2D.Float(15, 50, 15, 15);

    AlphaComposite ac = AlphaComposite.getInstance(AlphaComposite.SRC_OVER, 1);
    g2D.setComposite(ac);//from  w  w w. jav  a2  s  . c o m

    g2D.setStroke(new BasicStroke(5.0f));
    g2D.draw(rec1);
    GradientPaint gp = new GradientPaint(125f, 25f, Color.yellow, 225f, 100f, Color.blue);
    g2D.setPaint(gp);
    g2D.fill(rec2);
    BufferedImage bi = new BufferedImage(5, 5, BufferedImage.TYPE_INT_RGB);
    Graphics2D big = bi.createGraphics();
    big.setColor(Color.magenta);
    big.fillRect(0, 0, 5, 5);
    big.setColor(Color.black);
    big.drawLine(0, 0, 5, 5);
    Rectangle r = new Rectangle(0, 0, 5, 5);
    TexturePaint tp = new TexturePaint(bi, r);

    g2D.setPaint(tp);
    g2D.fill(rec3);
    g2D.setColor(Color.green);
    g2D.fill(rec4);
    g2D.setColor(Color.red);
    g2D.fill(rec5);
}

From source file:org.primefaces.examples.view.DynamicImageController.java

public DynamicImageController() {
    try {/*from  www .  j  a va2  s  .c  om*/
        //Graphic Text
        BufferedImage bufferedImg = new BufferedImage(100, 25, BufferedImage.TYPE_INT_RGB);
        Graphics2D g2 = bufferedImg.createGraphics();
        g2.drawString("This is a text", 0, 10);
        ByteArrayOutputStream os = new ByteArrayOutputStream();
        ImageIO.write(bufferedImg, "png", os);
        graphicText = new DefaultStreamedContent(new ByteArrayInputStream(os.toByteArray()), "image/png");

        //Chart
        JFreeChart jfreechart = ChartFactory.createPieChart("Turkish Cities", createDataset(), true, true,
                false);
        File chartFile = new File("dynamichart");
        ChartUtilities.saveChartAsPNG(chartFile, jfreechart, 375, 300);
        chart = new DefaultStreamedContent(new FileInputStream(chartFile), "image/png");

        //Barcode
        File barcodeFile = new File("dynamicbarcode");
        BarcodeImageHandler.saveJPEG(BarcodeFactory.createCode128("PRIMEFACES"), barcodeFile);
        barcode = new DefaultStreamedContent(new FileInputStream(barcodeFile), "image/jpeg");
    } catch (Exception e) {
        e.printStackTrace();
    }
}

From source file:com.uksf.mf.core.utility.loaders.ImageLoad.java

/**
 * Changes colour of all non-transparent pixels for given image to given colour
 * @param image - image to change colours in
 * @param newColour colour to change to/*  www  . jav a  2 s . co  m*/
 * @return image with changed colours
 */
private static ImageIcon changeImageColour(ImageIcon image, int newColour) {
    LogHandler.logSeverity(INFO, "Converting image: " + image + " colour to: " + newColour);
    BufferedImage bufferedImage = new BufferedImage(image.getIconWidth(), image.getIconHeight(),
            BufferedImage.TYPE_INT_ARGB);
    Graphics graphics = bufferedImage.createGraphics();
    image.paintIcon(null, graphics, 0, 0);
    graphics.dispose();
    for (int x = 0; x < bufferedImage.getWidth(); x++) {
        for (int y = 0; y < bufferedImage.getHeight(); y++) {
            int colour = bufferedImage.getRGB(x, y);
            colour = (((colour >> 24) & 0xff) << 24) | (((colour & 0x00ff0000) >> 16) << 16)
                    | (((colour & 0x0000ff00) >> 8) << 8) | (colour & 0x000000ff);
            if (colour != COLOUR_TRANSPARENT.getRGB()) {
                newColour = (((colour >> 24) & 0xff) << 24) | (((newColour & 0x00ff0000) >> 16) << 16)
                        | (((newColour & 0x0000ff00) >> 8) << 8) | (newColour & 0x000000ff);
                bufferedImage.setRGB(x, y, newColour);
            }
        }
    }
    return new ImageIcon(bufferedImage);
}

From source file:at.gv.egiz.pdfas.common.utils.ImageUtils.java

public static BufferedImage removeAlphaChannel(BufferedImage src) {
    //if (src.getColorModel().hasAlpha()) {
    BufferedImage image = new BufferedImage(src.getWidth(), src.getHeight(), BufferedImage.TYPE_INT_RGB);
    Graphics2D g = image.createGraphics();
    g.setComposite(AlphaComposite.Src);
    g.drawImage(src, 0, 0, null);/*from   w w w  .  j  a va2s  . c o  m*/
    g.dispose();
    return image;
    //}
    //return src;
    /*
     * BufferedImage rgbImage = new BufferedImage(src.getWidth(),
     * src.getHeight(), BufferedImage.TYPE_3BYTE_BGR); for (int x = 0; x <
     * src.getWidth(); ++x) { for (int y = 0; y < src.getHeight(); ++y) {
     * rgbImage.setRGB(x, y, src.getRGB(x, y) & 0xFFFFFF); } } return
     * rgbImage;
     */
}

From source file:imageprocessingproject.ImageHistogram.java

public static BufferedImage autoContrastImage(BufferedImage image) {
    createContrastLUT(image);//from   w  w  w  . ja  va  2 s  .c  om

    int height = image.getHeight();
    int width = image.getWidth();
    int r, g, b;
    Color c;

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

    for (int i = 0; i < width; i++) {
        for (int j = 0; j < height; j++) {
            c = new Color(image.getRGB(i, j));
            r = (int) (255 * contrast_lut[c.getRed()]);
            g = (int) (255 * contrast_lut[c.getGreen()]);
            b = (int) (255 * contrast_lut[c.getBlue()]);
            tempImage.setRGB(i, j, new Color(r, g, b, c.getAlpha()).getRGB());
        }
    }

    return tempImage;
}

From source file:net.d53dev.dslfy.web.service.GifService.java

public BufferedImage convertRGBAToGIF(BufferedImage src, int transColor) {
    BufferedImage dst = new BufferedImage(src.getWidth(), src.getHeight(), BufferedImage.TYPE_BYTE_INDEXED);
    Graphics g = dst.getGraphics();
    g.setColor(new Color(transColor));
    g.fillRect(0, 0, dst.getWidth(), dst.getHeight());
    {//from w w w .  j  a  va 2s.  c o  m
        IndexColorModel indexedModel = (IndexColorModel) dst.getColorModel();
        WritableRaster raster = dst.getRaster();
        int sample = raster.getSample(0, 0, 0);
        int size = indexedModel.getMapSize();
        byte[] rr = new byte[size];
        byte[] gg = new byte[size];
        byte[] bb = new byte[size];
        indexedModel.getReds(rr);
        indexedModel.getGreens(gg);
        indexedModel.getBlues(bb);
        IndexColorModel newModel = new IndexColorModel(8, size, rr, gg, bb, sample);
        dst = new BufferedImage(newModel, raster, dst.isAlphaPremultiplied(), null);
    }
    dst.createGraphics().drawImage(src, 0, 0, null);
    return dst;
}

From source file:com.gargoylesoftware.htmlunit.javascript.host.canvas.rendering.AwtRenderingBackend.java

/**
 * Constructor.//from ww  w  . j a  va 2  s  .co  m
 * @param imageWidth the width
 * @param imageHeight the height
 */
public AwtRenderingBackend(final int imageWidth, final int imageHeight) {
    image_ = new BufferedImage(imageWidth, imageHeight, BufferedImage.TYPE_INT_RGB);
    graphics2D_ = image_.createGraphics();
}

From source file:BufferedImageMouseDrag.java

DisplayCanvas() {
    setBackground(Color.white);/*  w w w  . j  a  v  a2 s  .  c  o  m*/
    setSize(450, 400);
    addMouseMotionListener(new MouseMotionHandler());

    Image image = getToolkit().getImage("largeJava2sLogo.gif");

    MediaTracker mt = new MediaTracker(this);
    mt.addImage(image, 1);
    try {
        mt.waitForAll();
    } catch (Exception e) {
        System.out.println("Exception while loading image.");
    }

    if (image.getWidth(this) == -1) {
        System.out.println("no gif file");
        System.exit(0);
    }

    bi = new BufferedImage(image.getWidth(this), image.getHeight(this), BufferedImage.TYPE_INT_ARGB);
    Graphics2D big = bi.createGraphics();
    big.drawImage(image, 0, 0, this);
}

From source file:image.writer.ImageWriterExample2.java

private BufferedImage createAnImage(String compression, int pageNum) {
    boolean monochrome = compression.startsWith("CCITT"); //CCITT is for 1bit b/w only

    BufferedImage bimg;// w  w w  .j  a  v a  2s  . c o m
    if (monochrome) {
        bimg = new BufferedImage(400, 200, BufferedImage.TYPE_BYTE_BINARY);
    } else {
        bimg = new BufferedImage(400, 200, BufferedImage.TYPE_INT_RGB);
    }

    Graphics2D g2d = bimg.createGraphics();
    g2d.setBackground(Color.white);
    g2d.clearRect(0, 0, 400, 200);
    g2d.setColor(Color.black);

    //Paint something
    paintSome(g2d, pageNum);

    return bimg;
}