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.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  .  jav  a  2s . 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 dcm file", e);
    } finally {
        IOUtils.closeQuietly(baos);
    }

    return null;
}

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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;
    }//  w  ww  . 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 DICOM image", e);
    } finally {
        IOUtils.closeQuietly(baos);
    }

    return null;
}

---

From source file:de.mprengemann.intellij.plugin.androidicons.util.ImageUtils.java

public static void updateImage(JLabel imageContainer, File imageFile, Format format) {
    if (imageFile == null || !imageFile.exists()) {
        return;/*from  w w  w  .  j av  a 2  s.  c om*/
    }
    BufferedImage img = null;
    try {
        img = ImageIO.read(imageFile);
    } catch (IOException e) {
        e.printStackTrace();
    }
    if (img == null) {
        return;
    }
    int imageWidth = img.getWidth();
    int imageHeight = img.getHeight();
    int imageViewWidth = (int) imageContainer.getPreferredSize().getWidth();
    int imageViewHeight = (int) imageContainer.getPreferredSize().getHeight();
    double factor = getScaleFactorToFit(new Dimension(imageWidth, imageHeight),
            new Dimension(imageViewWidth, imageViewHeight));
    imageWidth = (int) (factor * imageWidth);
    imageHeight = (int) (factor * imageHeight);
    if (imageWidth <= 0 || imageHeight <= 0 || imageViewWidth <= 0 || imageViewHeight <= 0) {
        return;
    }
    BufferedImage tmp = UIUtil.createImage(imageViewWidth, imageViewHeight, BufferedImage.TYPE_INT_ARGB);
    Graphics2D g2 = tmp.createGraphics();
    g2.setRenderingHint(RenderingHints.KEY_INTERPOLATION, RenderingHints.VALUE_INTERPOLATION_BILINEAR);
    int x = (imageViewWidth - imageWidth) / 2;
    int y = (imageViewHeight - imageHeight) / 2;
    if (format == Format.PNG || format == Format.XML) {
        g2.drawImage(img, x, y, imageWidth, imageHeight, null);
    } else {
        g2.drawImage(img, x, y, imageWidth, imageHeight, Color.WHITE, null);
    }
    g2.dispose();
    imageContainer.setIcon(new ImageIcon(tmp));
}

---

From source file:com.tomtom.speedtools.json.ImageSerializer.java

@Nonnull
private static BufferedImage convertToBufferedImage(@Nonnull final Image image) throws IOException {
    assert image != null;

    if (image instanceof BufferedImage) {
        return (BufferedImage) image;
    }//from   w ww.j ava2s  . c om

    /**
     * Load the image in the background and wait
     * until is is downloaded.
     */
    final MediaTracker tracker = new MediaTracker(new Component() {
        // Empty.
    });
    tracker.addImage(image, 0);
    try {
        tracker.waitForAll();
    } catch (final InterruptedException e) {
        throw new IOException(e.getMessage(), e);
    }

    /**
     * Create a buffered image with the right dimensions.
     */
    final BufferedImage bufImage = new BufferedImage(image.getWidth(null), image.getHeight(null),
            BufferedImage.TYPE_INT_ARGB);

    /**
     * Draw the image in the buffer and return it as base64 data.
     */
    final Graphics g = bufImage.createGraphics();
    g.drawImage(image, 0, 0, null);
    return bufImage;
}

---

From source file:com.mikenimer.familydam.services.photos.ThumbnailService.java

/**
 * using the metadata orientation transformation information rotate the image.
 * @param image//from   w  ww .ja  v a 2s  .c  o m
 * @param transform
 * @return
 * @throws Exception
 */
public static BufferedImage transformImage(BufferedImage image, AffineTransform transform) throws Exception {

    AffineTransformOp op = new AffineTransformOp(transform, AffineTransformOp.TYPE_BICUBIC);

    BufferedImage destinationImage = op.createCompatibleDestImage(image,
            (image.getType() == BufferedImage.TYPE_BYTE_GRAY) ? image.getColorModel() : null);
    Graphics2D g = destinationImage.createGraphics();
    g.setBackground(Color.WHITE);
    g.clearRect(0, 0, destinationImage.getWidth(), destinationImage.getHeight());
    destinationImage = op.filter(image, destinationImage);
    return destinationImage;
}

---

From source file:net.sf.mzmine.chartbasics.graphicsexport.ChartExportUtil.java

/**
 * Paints a chart with scaling options/*  w w w . j  a  v a  2s . com*/
 * 
 * @param chart
 * @param info
 * @param out
 * @param width
 * @param height
 * @param resolution
 * @return BufferedImage of a given chart with scaling to resolution
 * @throws IOException
 */
private static BufferedImage paintScaledChartToBufferedImage(JFreeChart chart, ChartRenderingInfo info,
        OutputStream out, int width, int height, int resolution, int bufferedIType) throws IOException {
    Args.nullNotPermitted(out, "out");
    Args.nullNotPermitted(chart, "chart");

    double scaleX = resolution / 72.0;
    double scaleY = resolution / 72.0;

    double desiredWidth = width * scaleX;
    double desiredHeight = height * scaleY;
    double defaultWidth = width;
    double defaultHeight = height;
    boolean scale = false;

    // get desired width and height from somewhere then...
    if ((scaleX != 1) || (scaleY != 1)) {
        scale = true;
    }

    BufferedImage image = new BufferedImage((int) desiredWidth, (int) desiredHeight, bufferedIType);
    Graphics2D g2 = image.createGraphics();

    if (scale) {
        AffineTransform saved = g2.getTransform();
        g2.transform(AffineTransform.getScaleInstance(scaleX, scaleY));
        chart.draw(g2, new Rectangle2D.Double(0, 0, defaultWidth, defaultHeight), info);
        g2.setTransform(saved);
        g2.dispose();
    } else {
        chart.draw(g2, new Rectangle2D.Double(0, 0, defaultWidth, defaultHeight), info);
    }
    return image;
}

---

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

public static BufferedImage resizeImage(BufferedImage image, int width, int height) {
    BufferedImage returnValue = new BufferedImage(width, height, BufferedImage.TYPE_INT_ARGB);
    Graphics2D g2D = returnValue.createGraphics();
    g2D.setRenderingHint(RenderingHints.KEY_INTERPOLATION, RenderingHints.VALUE_INTERPOLATION_BICUBIC);
    AffineTransform at = AffineTransform.getScaleInstance((double) width / image.getWidth(),
            (double) height / image.getHeight());
    g2D.drawRenderedImage(image, at);//from  ww  w  .  ja  v  a  2  s.com
    return returnValue;
}

---

From source file:com.t3.macro.api.functions.input.InputFunctions.java

/**
 * Gets icon from the asset manager. Code copied and modified from
 * EditTokestaticnDialog.java/*from   w w w  .j a v a 2s . c o  m*/
 */
static ImageIcon getIcon(String id, int size, ImageObserver io) {
    // Extract the MD5Key from the URL
    if (id == null)
        return null;
    MD5Key assetID = new MD5Key(id);

    // Get the base image && find the new size for the icon
    BufferedImage assetImage = ImageManager.getImage(assetID, io);

    // Resize
    if (assetImage.getWidth() > size || assetImage.getHeight() > size) {
        Dimension dim = new Dimension(assetImage.getWidth(), assetImage.getWidth());
        if (dim.height < dim.width) {
            dim.height = (int) ((dim.height / (double) dim.width) * size);
            dim.width = size;
        } else {
            dim.width = (int) ((dim.width / (double) dim.height) * size);
            dim.height = size;
        }
        BufferedImage image = new BufferedImage(dim.width, dim.height, Transparency.BITMASK);
        Graphics2D g = image.createGraphics();
        g.drawImage(assetImage, 0, 0, dim.width, dim.height, null);
        assetImage = image;
    }
    return new ImageIcon(assetImage);
}

---

From source file:de.mprengemann.intellij.plugin.androidicons.images.ImageUtils.java

public static void updateImage(JLabel imageContainer, File imageFile) {
    if (!imageFile.exists()) {
        return;//from w w  w. jav a 2  s . com
    }
    BufferedImage img = null;
    try {
        img = ImageIO.read(imageFile);
    } catch (IOException e) {
        e.printStackTrace();
    }
    if (img == null) {
        return;
    }
    int imageWidth = img.getWidth();
    int imageHeight = img.getHeight();
    int imageViewWidth = imageContainer.getWidth();
    int imageViewHeight = imageContainer.getHeight();
    double factor = getScaleFactorToFit(new Dimension(imageWidth, imageHeight),
            new Dimension(imageViewWidth, imageViewHeight));
    factor = Math.min(factor, 1f);
    imageWidth = (int) (factor * imageWidth);
    imageHeight = (int) (factor * imageHeight);
    if (imageWidth <= 0 || imageHeight <= 0 || imageViewWidth <= 0 || imageViewHeight <= 0) {
        return;
    }
    BufferedImage tmp = UIUtil.createImage(imageViewWidth, imageViewHeight, BufferedImage.TYPE_INT_ARGB);
    Graphics2D g2 = tmp.createGraphics();
    g2.setRenderingHint(RenderingHints.KEY_INTERPOLATION, RenderingHints.VALUE_INTERPOLATION_BILINEAR);
    int x = (imageViewWidth - imageWidth) / 2;
    int y = (imageViewHeight - imageHeight) / 2;
    g2.drawImage(img, x, y, imageWidth, imageHeight, null);
    g2.dispose();
    imageContainer.setIcon(new ImageIcon(tmp));
}

---

From source file:net.rptools.lib.image.ImageUtil.java

/**
 * Create a copy of the image that is compatible with the current graphics context and scaled to the supplied size
 *//*from w  w  w .j ava 2  s .  c om*/
public static BufferedImage createCompatibleImage(Image img, int width, int height, Map<String, Object> hints) {
    width = Math.max(width, 1);
    height = Math.max(height, 1);

    int transparency;
    if (hints != null && hints.containsKey(HINT_TRANSPARENCY)) {
        transparency = (Integer) hints.get(HINT_TRANSPARENCY);
    } else {
        transparency = pickBestTransparency(img);
    }
    BufferedImage compImg = new BufferedImage(width, height, transparency);

    Graphics2D g = null;
    try {
        g = compImg.createGraphics();
        g.setRenderingHint(RenderingHints.KEY_RENDERING, RenderingHints.VALUE_RENDER_QUALITY);

        g.drawImage(img, 0, 0, width, height, null);
    } finally {
        if (g != null) {
            g.dispose();
        }
    }
    return compImg;
}

---

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