Example usage for java.awt Graphics2D drawImage

Introduction

In this page you can find the example usage for java.awt Graphics2D drawImage.

Prototype

public abstract void drawImage(BufferedImage img, BufferedImageOp op, int x, int y);

Source Link

Document

Renders a BufferedImage that is filtered with a BufferedImageOp .

Usage

From source file:net.technicpack.launcher.lang.ResourceLoader.java

public BufferedImage getCircleClippedImage(String imageName) {
    BufferedImage contentImage = getImage(imageName);

    // copy the picture to an image with transparency capabilities
    BufferedImage outputImage = new BufferedImage(contentImage.getWidth(), contentImage.getHeight(),
            BufferedImage.TYPE_INT_ARGB);
    Graphics2D g2 = (Graphics2D) outputImage.getGraphics();
    g2.drawImage(contentImage, 0, 0, null);

    // Create the area around the circle to cut out
    Area cutOutArea = new Area(new Rectangle(0, 0, outputImage.getWidth(), outputImage.getHeight()));

    int diameter = (outputImage.getWidth() < outputImage.getHeight()) ? outputImage.getWidth()
            : outputImage.getHeight();//from   w  w w  .  j a v a  2  s .c o m
    cutOutArea.subtract(new Area(new Ellipse2D.Float((outputImage.getWidth() - diameter) / 2,
            (outputImage.getHeight() - diameter) / 2, diameter, diameter)));

    // Set the fill color to an opaque color
    g2.setColor(Color.WHITE);
    // Set the composite to clear pixels
    g2.setComposite(AlphaComposite.Clear);
    // Turn on antialiasing
    g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
    // Clear the cut out area
    g2.fill(cutOutArea);

    // dispose of the graphics object
    g2.dispose();

    return outputImage;
}

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From source file:org.carcv.core.model.file.FileCarImage.java

/**
 * Reads the image in inStream into a BufferedImage. Uses {@link ImageIO}.
 *
 * @param inStream the InputStream from which to load the image
 * @throws IOException if an error during loading occurs
 *//*from  w ww  . j a v  a2s  . c o  m*/
public void loadImage(InputStream inStream) throws IOException {
    // TODO 3 Fix loading of images
    /*
     * ImageInputStream imageStream = ImageIO.createImageInputStream(inStream); ImageReader reader =
     * ImageIO.getImageReaders(imageStream).next(); ImageReadParam param = reader.getDefaultReadParam();
     *
     * reader.setInput(imageStream, true, true);
     *
     * this.image = reader.read(0, param);
     *
     * reader.dispose(); imageStream.close();
     */

    // temp:
    if (inStream == null) {
        throw new IOException("InputStream to load image is null");
    }

    BufferedImage image = ImageIO.read(inStream);

    if (image == null) {
        throw new IOException("Failed to load image " + persistablePath);
    }

    BufferedImage outimage = new BufferedImage(image.getWidth(), image.getHeight(), BufferedImage.TYPE_INT_RGB);

    Graphics2D g = outimage.createGraphics(); // TODO 3 Is this needed?
    g.drawImage(image, 0, 0, null);
    g.dispose();

    this.image = outimage;
    inStream.close();
}

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From source file:com.skcraft.launcher.swing.InstanceTableModel.java

private ImageIcon buildDownloadIcon(BufferedImage instanceIcon) {
    try {/*  w ww  .j  a va 2s .  co  m*/
        BufferedImage iconBg = instanceIcon;
        BufferedImage iconFg = ImageIO.read(Launcher.class.getResource("download_icon_overlay.png"));
        BufferedImage iconCombined = new BufferedImage(iconBg.getWidth(), iconBg.getHeight(),
                BufferedImage.TYPE_INT_ARGB);
        Graphics2D canvas = iconCombined.createGraphics();
        canvas.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER, 0.5f));
        canvas.drawImage(iconBg, 0, 0, null);
        canvas.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER, 1.0f));
        canvas.drawImage(iconFg, iconBg.getWidth() - iconFg.getWidth(), iconBg.getHeight() - iconFg.getHeight(),
                null);
        canvas.dispose();
        return new ImageIcon(iconCombined);
    } catch (IOException e) {
        e.printStackTrace();
    }
    return null;
}

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From source file:main.MapKit.java

private BufferedImage convert(BufferedImage loadImg, Color newColor) {
    int w = loadImg.getWidth();
    int h = loadImg.getHeight();
    BufferedImage imgOut = new BufferedImage(w, h, BufferedImage.TYPE_INT_ARGB);
    BufferedImage imgColor = new BufferedImage(w, h, BufferedImage.TYPE_INT_ARGB);

    Graphics2D g = imgColor.createGraphics();
    g.setColor(newColor);/*from  w w w . ja v  a 2  s .co  m*/
    g.fillRect(0, 0, w + 1, h + 1);
    g.dispose();

    Graphics2D graphics = imgOut.createGraphics();
    graphics.drawImage(loadImg, 0, 0, null);
    graphics.setComposite(MultiplyComposite.Default);
    graphics.drawImage(imgColor, 0, 0, null);
    graphics.dispose();

    return imgOut;
}

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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);

    g2d.dispose();//w w  w.  ja  v  a  2s .  c  o m

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

    return succeeded;
}

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From source file:net.sradonia.gui.SplashScreen.java

/**
 * Creates a new splash screen./*from  w w  w. j  a  v a  2s .co  m*/
 * 
 * @param image
 *            the image to display
 * @param title
 *            the title of the window
 */
public SplashScreen(Image image, String title) {
    log.debug("initializing splash screen");

    if (image == null)
        throw new IllegalArgumentException("null image");

    // create the frame
    window = new JFrame(title) {
        private static final long serialVersionUID = 2193620921531262633L;

        @Override
        public void paint(Graphics g) {
            Graphics2D g2d = (Graphics2D) g;
            g2d.drawImage(splash, 0, 0, this);
        }
    };
    window.setUndecorated(true);

    // wait for the image to load
    MediaTracker mt = new MediaTracker(window);
    mt.addImage(image, 0);
    try {
        mt.waitForID(0);
    } catch (InterruptedException e1) {
        log.debug("interrupted while waiting for image loading");
    }

    // check for loading errors
    if (mt.isErrorID(0))
        throw new IllegalArgumentException("couldn't load the image");
    if (image.getHeight(null) <= 0 || image.getWidth(null) <= 0)
        throw new IllegalArgumentException("illegal image size");

    setImage(image);

    window.addWindowFocusListener(new WindowFocusListener() {
        public void windowGainedFocus(WindowEvent e) {
            updateSplash();
        }

        public void windowLostFocus(WindowEvent e) {
        }
    });

    timer = new SimpleTimer(new Runnable() {
        public void run() {
            log.debug(timer.getDelay() + "ms timeout reached");
            timer.setRunning(false);
            setVisible(false);
        }
    }, 5000, false);
    timeoutActive = false;
}

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From source file:TexturedPanel.java

/**
 * Creates a new TexturePaint using the provided image.
 *//* www  . j  a v a 2  s.c o m*/
private void setupImagePainter(Image texture) {
    if (texture == null) {
        ourPainter = null;
        return;
    }

    int w = texture.getWidth(this);
    int h = texture.getHeight(this);

    if (w <= 0 || h <= 0) {
        ourPainter = null;
        return;
    }

    BufferedImage buff = new BufferedImage(w, h, BufferedImage.TYPE_INT_ARGB_PRE);

    Graphics2D g2 = buff.createGraphics();
    g2.drawImage(texture, 0, 0, this);
    ourPainter = new TexturePaint(buff, new Rectangle(0, 0, w, h));

    g2.dispose();
}

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From source file:de.uni_siegen.wineme.come_in.thumbnailer.thumbnailers.PDFBoxThumbnailer.java

private BufferedImage convertToImage(final PDPage page, final int imageType, final int thumbWidth,
        final int thumbHeight)/*     */ throws IOException
/*     */ {//from   www .  j a v a2s  .co  m
    /* 707 */ final PDRectangle mBox = page.findMediaBox();
    /* 708 */ final float widthPt = mBox.getWidth();
    /* 709 */ final float heightPt = mBox.getHeight();
    /* 711 */ final int widthPx = thumbWidth;
    // Math.round(widthPt * scaling);
    /* 712 */ final int heightPx = thumbHeight;
    // Math.round(heightPt * scaling);
    /* 710 */ final double scaling = Math.min((double) thumbWidth / widthPt, (double) thumbHeight / heightPt);
    // resolution / 72.0F;
    /*     */
    /* 714 */ final Dimension pageDimension = new Dimension((int) widthPt, (int) heightPt);
    /*     */
    /* 716 */ final BufferedImage retval = new BufferedImage(widthPx, heightPx, imageType);
    /* 717 */ final Graphics2D graphics = (Graphics2D) retval.getGraphics();
    /* 718 */ graphics.setBackground(PDFBoxThumbnailer.TRANSPARENT_WHITE);
    /* 719 */ graphics.clearRect(0, 0, retval.getWidth(), retval.getHeight());
    /* 720 */ graphics.scale(scaling, scaling);
    /* 721 */ final PageDrawer drawer = new PageDrawer();
    /* 722 */ drawer.drawPage(graphics, page, pageDimension);
    /*     */ try
    /*     */ {
        /* 728 */ final int rotation = page.findRotation();
        /* 729 */ if (rotation == 90 || rotation == 270)
        /*     */ {
            /* 731 */ final int w = retval.getWidth();
            /* 732 */ final int h = retval.getHeight();
            /* 733 */ final BufferedImage rotatedImg = new BufferedImage(w, h, retval.getType());
            /* 734 */ final Graphics2D g = rotatedImg.createGraphics();
            /* 735 */ g.rotate(Math.toRadians(rotation), w / 2, h / 2);
            /* 736 */ g.drawImage(retval, null, 0, 0);
            /*     */ }
        /*     */ }
    /*     */ catch (final ImagingOpException e)
    /*     */ {
        /* 741 */ //log.warn("Unable to rotate page image", e);
        /*     */ }
    /*     */
    /* 744 */ return retval;
    /*     */ }

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From source file:br.prof.salesfilho.oci.image.ImageProcessor.java

public BufferedImage resize(int newWidth, int newHeigth) {
    Image tmp = image.getScaledInstance(newWidth, newHeigth, Image.SCALE_SMOOTH);
    BufferedImage dimg = new BufferedImage(newWidth, newHeigth, BufferedImage.TYPE_INT_RGB);
    Graphics2D g2d = dimg.createGraphics();
    g2d.drawImage(tmp, 0, 0, null);
    g2d.dispose();/*from w ww.  j a v  a  2s  .  c  o m*/
    this.image = dimg;
    return this.image;
}

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From source file:nz.co.fortytwo.freeboard.server.util.ChartProcessor.java

/**
 * Use Imagemajick convert to make white transparent, so we can overlay charts
 * @param dir//from   w  w w .ja v  a  2  s .  c o m
 * @throws IOException
 * @throws InterruptedException
 */
private void processPng(File dir) throws IOException, InterruptedException {
    //   File tmpPng = new File(dir.getAbsoluteFile()+".new");
    if (manager) {
        System.out.print("      Convert " + dir.getName() + "\n");
    }
    if (logger.isDebugEnabled())
        logger.debug("      Convert " + dir.getName());

    BufferedImage img = ImageIO.read(dir);
    ImageProducer ip = new FilteredImageSource(img.getSource(), filter);
    Image transparentImage = Toolkit.getDefaultToolkit().createImage(ip);
    BufferedImage dest = new BufferedImage(img.getWidth(), img.getHeight(), BufferedImage.TYPE_INT_ARGB);
    Graphics2D g2 = dest.createGraphics();
    g2.drawImage(transparentImage, 0, 0, null);
    g2.dispose();
    ImageIO.write(dest, "PNG", dir);

}

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