Example usage for java.awt Graphics drawImage

List of usage examples for java.awt Graphics drawImage

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Introduction

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

Prototype

public abstract boolean drawImage(Image img, int x, int y, ImageObserver observer);

Source Link

Document

Draws as much of the specified image as is currently available.

Usage

From source file:de.fhg.igd.swingrcp.SwingRCPUtilities.java

/**
 * Applies the given transparency mask to a buffered image. Always creates a
 * new buffered image containing an alpha channel. Copies the old image into
 * the new one and then sets the alpha pixels according to the given mask.
 * /*  www. j a  v a2 s .c  o m*/
 * @param img the old image
 * @param mask the alpha mask
 * @return the new image with alpha channel applied
 * @throws IllegalArgumentException if the image's size does not match the
 *             mask's size
 */
public static BufferedImage applyTransparencyMask(BufferedImage img, ImageData mask) {
    if (mask.width != img.getWidth() || mask.height != img.getHeight()) {
        throw new IllegalArgumentException("Image size does not match the mask size");
    }

    // copy image and also convert to RGBA
    BufferedImage result = new BufferedImage(img.getWidth(), img.getHeight(), BufferedImage.TYPE_INT_ARGB);
    Graphics g = result.getGraphics();
    g.drawImage(img, 0, 0, null);

    WritableRaster alphaRaster = result.getAlphaRaster();
    int alpha0[] = new int[] { 0 };
    int alpha255[] = new int[] { 255 };
    for (int y = 0; y < img.getHeight(); y++) {
        for (int x = 0; x < img.getWidth(); x++) {
            alphaRaster.setPixel(x, y, mask.getPixel(x, y) == 0 ? alpha0 : alpha255);
        }
    }

    return result;
}

From source file:com.mirth.connect.server.util.DICOMUtil.java

private static byte[] saveAsJpeg(ImagePlus imagePlug, int quality) {
    int imageType = BufferedImage.TYPE_INT_RGB;

    if (imagePlug.getProcessor().isDefaultLut()) {
        imageType = BufferedImage.TYPE_BYTE_GRAY;
    }//from   w  w  w. ja v a2 s .  c o  m

    BufferedImage bufferedImage = new BufferedImage(imagePlug.getWidth(), imagePlug.getHeight(), imageType);
    ByteArrayOutputStream baos = new ByteArrayOutputStream();

    try {
        Graphics graphics = bufferedImage.createGraphics();
        graphics.drawImage(imagePlug.getImage(), 0, 0, null);
        graphics.dispose();
        ImageWriter writer = ImageIO.getImageWritersByFormatName("jpg").next();
        writer.setOutput(ImageIO.createImageOutputStream(baos));
        ImageWriteParam param = writer.getDefaultWriteParam();
        param.setCompressionMode(ImageWriteParam.MODE_EXPLICIT);
        param.setCompressionQuality(quality / 100f);

        if (quality == 100) {
            param.setSourceSubsampling(1, 1, 0, 0);
        }

        IIOImage iioImage = new IIOImage(bufferedImage, null, null);
        writer.write(null, iioImage, param);
        return baos.toByteArray();
    } catch (Exception e) {
        logger.error("Error converting dcm file", e);
    } finally {
        IOUtils.closeQuietly(baos);
    }

    return null;
}

From source file:com.mirth.connect.server.util.DICOMMessageUtil.java

private static byte[] saveAsJpeg(ImagePlus imagePlug, int quality) {
    int imageType = BufferedImage.TYPE_INT_RGB;

    if (imagePlug.getProcessor().isDefaultLut()) {
        imageType = BufferedImage.TYPE_BYTE_GRAY;
    }//from   w  w w  .  j  a va  2  s.  co  m

    BufferedImage bufferedImage = new BufferedImage(imagePlug.getWidth(), imagePlug.getHeight(), imageType);
    ByteArrayOutputStream baos = new ByteArrayOutputStream();

    try {
        Graphics graphics = bufferedImage.createGraphics();
        graphics.drawImage(imagePlug.getImage(), 0, 0, null);
        graphics.dispose();
        ImageWriter writer = ImageIO.getImageWritersByFormatName("jpg").next();
        writer.setOutput(ImageIO.createImageOutputStream(baos));
        ImageWriteParam param = writer.getDefaultWriteParam();
        param.setCompressionMode(ImageWriteParam.MODE_EXPLICIT);
        param.setCompressionQuality(quality / 100f);

        if (quality == 100) {
            param.setSourceSubsampling(1, 1, 0, 0);
        }

        IIOImage iioImage = new IIOImage(bufferedImage, null, null);
        writer.write(null, iioImage, param);
        return baos.toByteArray();
    } catch (Exception e) {
        logger.error("Error Converting DICOM image", e);
    } finally {
        IOUtils.closeQuietly(baos);
    }

    return null;
}

From source file:com.igormaznitsa.sciareto.ui.UiUtils.java

@Nonnull
public static Image makeBadgedRightBottom(@Nonnull final Image base, @Nonnull final Image badge) {
    final int width = Math.max(base.getWidth(null), badge.getWidth(null));
    final int height = Math.max(base.getHeight(null), badge.getHeight(null));
    final BufferedImage result = new BufferedImage(width, height, BufferedImage.TYPE_INT_ARGB);
    final Graphics gfx = result.getGraphics();
    try {//from ww  w.  j a v a  2  s  .  co m
        gfx.drawImage(base, (width - base.getWidth(null)) / 2, (height - base.getHeight(null)) / 2, null);
        gfx.drawImage(badge, width - badge.getWidth(null) - 1, height - badge.getHeight(null) - 1, null);
    } finally {
        gfx.dispose();
    }
    return result;
}

From source file:com.igormaznitsa.sciareto.ui.UiUtils.java

@Nonnull
public static Image makeBadgedRightTop(@Nonnull final Image base, @Nonnull final Image badge) {
    final int width = Math.max(base.getWidth(null), badge.getWidth(null));
    final int height = Math.max(base.getHeight(null), badge.getHeight(null));
    final BufferedImage result = new BufferedImage(width, height, BufferedImage.TYPE_INT_ARGB);
    final Graphics gfx = result.getGraphics();
    try {/*  w  w w. java 2  s  . c o  m*/
        gfx.drawImage(base, (width - base.getWidth(null)) / 2, (height - base.getHeight(null)) / 2, null);
        gfx.drawImage(badge, width - badge.getWidth(null) - 1, 1, null);
    } finally {
        gfx.dispose();
    }
    return result;
}

From source file:com.reydentx.core.common.PhotoUtils.java

public static byte[] waterMarkJPG(String baseImagePath, String waterMartPath) {
    try {/*from ww w  .j  ava2 s  .com*/
        File origFile = new File(baseImagePath);
        ImageIcon icon = new ImageIcon(origFile.getPath());
        BufferedImage bufferedImage = new BufferedImage(icon.getIconWidth(), icon.getIconHeight(),
                BufferedImage.TYPE_INT_RGB);
        Graphics graphics = bufferedImage.getGraphics();
        graphics.drawImage(icon.getImage(), 0, 0, null);

        ImageIcon png = new ImageIcon(waterMartPath);
        graphics.drawImage(png.getImage(), 0, 0, null);

        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        ImageIO.write(bufferedImage, "jpg", baos);
        baos.flush();
        byte[] imageInByte = baos.toByteArray();

        return imageInByte;
    } catch (IOException e) {
        e.printStackTrace();
    }

    return null;
}

From source file:org.geoserver.wms.WMSTestSupport.java

/**
 * Shows <code>image</code> in a Frame.
 * //from  www  .  ja va2  s  .  co m
 * @param frameName
 * @param timeOut
 * @param image
 */
public static void showImage(String frameName, long timeOut, final BufferedImage image) {
    int width = image.getWidth();
    int height = image.getHeight();

    if (((System.getProperty("java.awt.headless") == null)
            || !System.getProperty("java.awt.headless").equals("true")) && INTERACTIVE) {
        Frame frame = new Frame(frameName);
        frame.addWindowListener(new WindowAdapter() {
            public void windowClosing(WindowEvent e) {
                e.getWindow().dispose();
            }
        });

        Panel p = new Panel(null) { // no layout manager so it respects
                                    // setSize
            public void paint(Graphics g) {
                g.drawImage(image, 0, 0, this);
            }
        };

        frame.add(p);
        p.setSize(width, height);
        frame.pack();
        frame.setVisible(true);

        try {
            Thread.sleep(timeOut);
        } catch (InterruptedException e) {
            e.printStackTrace();
        }

        frame.dispose();
    }
}

From source file:org.jfree.experimental.swt.SWTUtils.java

/**
 * Converts an AWT image to SWT./*from  w  w  w  .  j  ava2s .  co  m*/
 *
 * @param image  the image (<code>null</code> not permitted).
 *
 * @return Image data.
 */
public static ImageData convertAWTImageToSWT(Image image) {
    ParamChecks.nullNotPermitted(image, "image");
    int w = image.getWidth(null);
    int h = image.getHeight(null);
    if (w == -1 || h == -1) {
        return null;
    }
    BufferedImage bi = new BufferedImage(w, h, BufferedImage.TYPE_INT_RGB);
    Graphics g = bi.getGraphics();
    g.drawImage(image, 0, 0, null);
    g.dispose();
    return convertToSWT(bi);
}

From source file:de.darkblue.bongloader2.utils.ToolBox.java

public static BufferedImage grayScale(BufferedImage image) {
    BufferedImage newImage = new BufferedImage(image.getWidth(), image.getHeight(),
            BufferedImage.TYPE_BYTE_GRAY);
    Graphics g = newImage.getGraphics();
    g.drawImage(image, 0, 0, null);
    g.dispose();//from w  w  w  .j a v  a2 s  .  c o  m

    return newImage;
}

From source file:de.mpg.imeji.logic.storage.util.ImageUtils.java

/**
 * Scale a {@link BufferedImage} to new size. Is faster than the basic {@link ImageUtils}.scaleImage method, has the
 * same quality. If it is a thumbnail, cut the images to fit into the raster
 * //from www.j  a v  a2 s .  c o m
 * @param image original image
 * @param size the size to be resized to
 * @param resolution the type of the image. Might be thumb or web
 * @return the resized images
 * @throws Exception
 */
public static BufferedImage scaleImageFast(BufferedImage image, int size, FileResolution resolution)
        throws Exception {
    int width = image.getWidth(null);
    int height = image.getHeight(null);
    BufferedImage newImg = null;
    Image rescaledImage;
    if (width > height) {
        if (FileResolution.THUMBNAIL.equals(resolution)) {
            newImg = new BufferedImage(height, height, BufferedImage.TYPE_INT_RGB);
            Graphics g1 = newImg.createGraphics();
            g1.drawImage(image, (height - width) / 2, 0, null);
            if (height > size)
                rescaledImage = getScaledInstance(newImg, size, size,
                        RenderingHints.VALUE_INTERPOLATION_BILINEAR, RESCALE_HIGH_QUALITY);
            else
                rescaledImage = newImg;
        } else
            rescaledImage = getScaledInstance(image, size, height * size / width,
                    RenderingHints.VALUE_INTERPOLATION_BILINEAR, RESCALE_HIGH_QUALITY);
    } else {
        if (FileResolution.THUMBNAIL.equals(resolution)) {
            newImg = new BufferedImage(width, width, BufferedImage.TYPE_INT_RGB);
            Graphics g1 = newImg.createGraphics();
            g1.drawImage(image, 0, (width - height) / 2, null);
            if (width > size)
                rescaledImage = getScaledInstance(newImg, size, size,
                        RenderingHints.VALUE_INTERPOLATION_BILINEAR, RESCALE_HIGH_QUALITY);
            else
                rescaledImage = newImg;
        } else
            rescaledImage = getScaledInstance(image, width * size / height, size,
                    RenderingHints.VALUE_INTERPOLATION_BILINEAR, RESCALE_HIGH_QUALITY);
    }
    BufferedImage rescaledBufferedImage = new BufferedImage(rescaledImage.getWidth(null),
            rescaledImage.getHeight(null), BufferedImage.TYPE_INT_RGB);
    Graphics g2 = rescaledBufferedImage.getGraphics();
    g2.drawImage(rescaledImage, 0, 0, null);
    return rescaledBufferedImage;
}