Example usage for javax.imageio ImageWriteParam setCompressionMode

Introduction

In this page you can find the example usage for javax.imageio ImageWriteParam setCompressionMode.

Prototype

public void setCompressionMode(int mode) 

Source Link

Document

Specifies whether compression is to be performed, and if so how compression parameters are to be determined.

Usage

From source file:ImageUtil.java

/**
 * store BufferedImage to file/* w ww.j  a  v a 2 s.  c o m*/
 * @param image BufferedImage
 * @param outputFile output image file
 * @param quality quality of output image
 * @return true success, else fail
 */
public static boolean storeImage(BufferedImage image, File outputFile, float quality) {
    try {
        //reconstruct folder structure for image file output
        if (outputFile.getParentFile() != null && !outputFile.getParentFile().exists()) {
            outputFile.getParentFile().mkdirs();
        }
        if (outputFile.exists()) {
            outputFile.delete();
        }
        //get image file suffix
        String extName = "png";
        //get registry ImageWriter for specified image suffix
        Iterator writers = ImageIO.getImageWritersByFormatName(extName);
        ImageWriter imageWriter = (ImageWriter) writers.next();
        //set image output params
        ImageWriteParam params = new JPEGImageWriteParam(null);
        params.setCompressionMode(ImageWriteParam.MODE_EXPLICIT);
        params.setCompressionQuality(quality);
        params.setProgressiveMode(javax.imageio.ImageWriteParam.MODE_DISABLED);
        params.setDestinationType(new ImageTypeSpecifier(IndexColorModel.getRGBdefault(),
                IndexColorModel.getRGBdefault().createCompatibleSampleModel(16, 16)));
        //writer image to file
        ImageOutputStream imageOutputStream = ImageIO.createImageOutputStream(outputFile);
        imageWriter.setOutput(imageOutputStream);
        imageWriter.write(null, new IIOImage(image, null, null), params);
        imageOutputStream.close();
        imageWriter.dispose();
        return true;
    } catch (Exception e) {
        e.printStackTrace();
    }
    return false;
}

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From source file:ImageUtilities.java

/**
 * Writes an image to an output stream as a JPEG file. The JPEG quality can
 * be specified in percent./*from w  w w. j  a v a2  s . c o m*/
 * 
 * @param image
 *            image to be written
 * @param stream
 *            target stream
 * @param qualityPercent
 *            JPEG quality in percent
 * 
 * @throws IOException
 *             if an I/O error occured
 * @throws IllegalArgumentException
 *             if qualityPercent not between 0 and 100
 */
public static void saveImageAsJPEG(BufferedImage image, OutputStream stream, int qualityPercent)
        throws IOException {
    if ((qualityPercent < 0) || (qualityPercent > 100)) {
        throw new IllegalArgumentException("Quality out of bounds!");
    }
    float quality = qualityPercent / 100f;
    ImageWriter writer = null;
    Iterator iter = ImageIO.getImageWritersByFormatName("jpg");
    if (iter.hasNext()) {
        writer = (ImageWriter) iter.next();
    }
    ImageOutputStream ios = ImageIO.createImageOutputStream(stream);
    writer.setOutput(ios);
    ImageWriteParam iwparam = new JPEGImageWriteParam(Locale.getDefault());
    iwparam.setCompressionMode(ImageWriteParam.MODE_EXPLICIT);
    iwparam.setCompressionQuality(quality);
    writer.write(null, new IIOImage(image, null, null), iwparam);
    ios.flush();
    writer.dispose();
    ios.close();
}

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From source file:ar.com.zauber.common.image.impl.AbstractImage.java

/**
 * Creates a thumbnail/*from ww  w  .  j av a 2 s .  com*/
 * 
 * @param is data source
 * @param os data source
 * @throws IOException if there is a problem reading is
 */
public static void createThumbnail(final InputStream is, final OutputStream os, final int target)
        throws IOException {
    final float compression = 0.85F;
    ImageWriter writer = null;
    MemoryCacheImageOutputStream mos = null;
    Graphics2D graphics2D = null;
    try {
        final BufferedImage bi = ImageIO.read(is);
        final Iterator<ImageWriter> iter = ImageIO.getImageWritersByFormatName("JPG");
        if (!iter.hasNext()) {
            throw new IllegalStateException("can't find JPG subsystem");
        }

        int w = bi.getWidth(), h = bi.getHeight();
        if (w < target && h < target) {
            // nothing to recalculate, ya es chiquita.
        } else {
            if (w > h) {
                h = target * bi.getHeight() / bi.getWidth();
                w = target;
            } else {
                w = target * bi.getWidth() / bi.getHeight();
                h = target;
            }
        }
        // draw original image to thumbnail image object and
        // scale it to the new size on-the-fly
        final BufferedImage thumbImage = new BufferedImage(w, h, BufferedImage.TYPE_INT_RGB);
        graphics2D = thumbImage.createGraphics();
        graphics2D.setRenderingHint(RenderingHints.KEY_INTERPOLATION,
                RenderingHints.VALUE_INTERPOLATION_BILINEAR);
        graphics2D.drawImage(bi, 0, 0, w, h, null);

        writer = (ImageWriter) iter.next();
        final ImageWriteParam iwp = writer.getDefaultWriteParam();
        iwp.setCompressionMode(ImageWriteParam.MODE_EXPLICIT);
        iwp.setCompressionQuality(compression);
        mos = new MemoryCacheImageOutputStream(os);
        writer.setOutput(mos);
        writer.write(null, new IIOImage(thumbImage, null, null), iwp);
    } finally {
        if (writer != null) {
            writer.dispose();
        }
        if (mos != null) {
            mos.close();
        }
        if (graphics2D != null) {
            graphics2D.dispose();
        }
        is.close();
        os.close();
    }
}

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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;
    }/*w  w  w  .  jav  a2  s  .c  om*/

    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;
    }//from   w  w w . j  a v  a 2 s .  c om

    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;
}

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From source file:com.db.comserv.main.utilities.HttpCaller.java

public static String compress(String imageString, float quality) throws IOException {
    byte[] imageByte = Base64.decodeBase64(imageString);
    ByteArrayInputStream bis = new ByteArrayInputStream(imageByte);
    BufferedImage image = ImageIO.read(bis);
    bis.close();// www  .  j  a  v a  2  s .  c om

    // Get a ImageWriter for given extension format.

    Iterator<ImageWriter> writers = ImageIO.getImageWritersBySuffix("jpg");
    if (!writers.hasNext())
        throw new IllegalStateException("No writers found");

    ImageWriter writer = (ImageWriter) writers.next();
    // Create the ImageWriteParam to compress the image.
    ImageWriteParam param = writer.getDefaultWriteParam();
    param.setCompressionMode(ImageWriteParam.MODE_EXPLICIT);
    param.setCompressionQuality(quality);

    // The output will be a ByteArrayOutputStream (in memory)
    ByteArrayOutputStream bos = new ByteArrayOutputStream(32768);
    ImageOutputStream ios = ImageIO.createImageOutputStream(bos);
    writer.setOutput(ios);
    writer.write(null, new IIOImage(image, null, null), param);
    ios.flush(); // otherwise the buffer size will be zero!
    byte[] encodedBytes = Base64.encodeBase64(bos.toByteArray());

    return new String(encodedBytes);
}

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From source file:editeurpanovisu.ReadWriteImage.java

/**
 *
 * @param img/*from w ww .j  av  a 2  s.  c om*/
 * @param destFile
 * @param quality
 * @param sharpen
 * @param sharpenLevel
 * @throws IOException
 */
public static void writeJpeg(Image img, String destFile, float quality, boolean sharpen, float sharpenLevel)
        throws IOException {
    sharpenMatrix = calculeSharpenMatrix(sharpenLevel);
    BufferedImage imageRGBSharpen = null;
    IIOImage iioImage = null;
    BufferedImage image = SwingFXUtils.fromFXImage(img, null); // Get buffered image.

    BufferedImage imageRGB = new BufferedImage(image.getWidth(), image.getHeight(), BufferedImage.OPAQUE); // Remove alpha-channel from buffered image.

    Graphics2D graphics = imageRGB.createGraphics();
    graphics.drawImage(image, 0, 0, null);
    if (sharpen) {
        imageRGBSharpen = new BufferedImage(image.getWidth(), image.getHeight(), BufferedImage.TYPE_INT_RGB);
        Kernel kernel = new Kernel(3, 3, sharpenMatrix);
        ConvolveOp cop = new ConvolveOp(kernel, ConvolveOp.EDGE_NO_OP, null);
        cop.filter(imageRGB, imageRGBSharpen);
    }
    ImageWriter writer = null;
    FileImageOutputStream output = null;
    try {
        writer = ImageIO.getImageWritersByFormatName("jpeg").next();
        ImageWriteParam param = writer.getDefaultWriteParam();
        param.setCompressionMode(ImageWriteParam.MODE_EXPLICIT);
        param.setCompressionQuality(quality);
        output = new FileImageOutputStream(new File(destFile));
        writer.setOutput(output);
        if (sharpen) {
            iioImage = new IIOImage(imageRGBSharpen, null, null);
        } else {
            iioImage = new IIOImage(imageRGB, null, null);
        }
        writer.write(null, iioImage, param);
    } catch (IOException ex) {
        throw ex;
    } finally {
        if (writer != null) {
            writer.dispose();
        }
        if (output != null) {
            output.close();
        }
    }
    graphics.dispose();
}

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From source file:ImageUtils.java

/**
 * Compress and save an image to the disk. Currently this method only supports JPEG images.
 * // www . j av  a 2s  .  c  o  m
 * @param image The image to save
 * @param toFileName The filename to use
 * @param type The image type. Use <code>ImageUtils.IMAGE_JPEG</code> to save as JPEG images,
 * or <code>ImageUtils.IMAGE_PNG</code> to save as PNG.
 */
public static void saveCompressedImage(BufferedImage image, String toFileName, int type) {
    try {
        if (type == IMAGE_PNG) {
            throw new UnsupportedOperationException("PNG compression not implemented");
        }

        Iterator iter = ImageIO.getImageWritersByFormatName("jpg");
        ImageWriter writer;
        writer = (ImageWriter) iter.next();

        ImageOutputStream ios = ImageIO.createImageOutputStream(new File(toFileName));
        writer.setOutput(ios);

        ImageWriteParam iwparam = new JPEGImageWriteParam(Locale.getDefault());

        iwparam.setCompressionMode(ImageWriteParam.MODE_EXPLICIT);
        iwparam.setCompressionQuality(0.7F);

        writer.write(null, new IIOImage(image, null, null), iwparam);

        ios.flush();
        writer.dispose();
        ios.close();
    } catch (IOException e) {
        e.printStackTrace();
    }
}

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From source file:ch.rasc.downloadchart.DownloadChartServlet.java

private static void handleJpg(HttpServletResponse response, byte[] imageData, Integer width, Integer height,
        String filename, JpegOptions options) throws IOException {

    response.setContentType("image/jpeg");
    response.setHeader("Content-Disposition", "attachment; filename=\"" + filename + ".jpg\";");

    BufferedImage image = ImageIO.read(new ByteArrayInputStream(imageData));

    Dimension newDimension = calculateDimension(image, width, height);
    int imgWidth = image.getWidth();
    int imgHeight = image.getHeight();
    if (newDimension != null) {
        imgWidth = newDimension.width;/*from   ww w  . ja va 2 s .c o  m*/
        imgHeight = newDimension.height;
    }

    BufferedImage newImage = new BufferedImage(imgWidth, imgHeight, BufferedImage.TYPE_INT_RGB);

    Graphics2D g = newImage.createGraphics();
    g.drawImage(image, 0, 0, imgWidth, imgHeight, Color.BLACK, null);
    g.dispose();

    if (newDimension != null) {
        g.setComposite(AlphaComposite.Src);
        g.setRenderingHint(RenderingHints.KEY_INTERPOLATION, RenderingHints.VALUE_INTERPOLATION_BILINEAR);
        g.setRenderingHint(RenderingHints.KEY_RENDERING, RenderingHints.VALUE_RENDER_QUALITY);
        g.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
    }

    try (ImageOutputStream ios = ImageIO.createImageOutputStream(response.getOutputStream())) {
        Iterator<ImageWriter> iter = ImageIO.getImageWritersByFormatName("jpg");
        ImageWriter writer = iter.next();
        ImageWriteParam iwp = writer.getDefaultWriteParam();
        iwp.setCompressionMode(ImageWriteParam.MODE_EXPLICIT);
        if (options != null && options.quality != null && options.quality != 0 && options.quality != 100) {
            iwp.setCompressionQuality(options.quality / 100f);
        } else {
            iwp.setCompressionQuality(1);
        }
        writer.setOutput(ios);
        writer.write(null, new IIOImage(newImage, null, null), iwp);
        writer.dispose();
    }
}

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From source file:com.lingxiang2014.util.ImageUtils.java

public static void zoom(File srcFile, File destFile, int destWidth, int destHeight) {
    Assert.notNull(srcFile);//from  w w w . j ava  2  s.  com
    Assert.notNull(destFile);
    Assert.state(destWidth > 0);
    Assert.state(destHeight > 0);
    if (type == Type.jdk) {
        Graphics2D graphics2D = null;
        ImageOutputStream imageOutputStream = null;
        ImageWriter imageWriter = null;
        try {
            BufferedImage srcBufferedImage = ImageIO.read(srcFile);
            int srcWidth = srcBufferedImage.getWidth();
            int srcHeight = srcBufferedImage.getHeight();
            int width = destWidth;
            int height = destHeight;
            if (srcHeight >= srcWidth) {
                width = (int) Math.round(((destHeight * 1.0 / srcHeight) * srcWidth));
            } else {
                height = (int) Math.round(((destWidth * 1.0 / srcWidth) * srcHeight));
            }
            BufferedImage destBufferedImage = new BufferedImage(destWidth, destHeight,
                    BufferedImage.TYPE_INT_RGB);
            graphics2D = destBufferedImage.createGraphics();
            graphics2D.setBackground(BACKGROUND_COLOR);
            graphics2D.clearRect(0, 0, destWidth, destHeight);
            graphics2D.drawImage(srcBufferedImage.getScaledInstance(width, height, Image.SCALE_SMOOTH),
                    (destWidth / 2) - (width / 2), (destHeight / 2) - (height / 2), null);

            imageOutputStream = ImageIO.createImageOutputStream(destFile);
            imageWriter = ImageIO.getImageWritersByFormatName(FilenameUtils.getExtension(destFile.getName()))
                    .next();
            imageWriter.setOutput(imageOutputStream);
            ImageWriteParam imageWriteParam = imageWriter.getDefaultWriteParam();
            imageWriteParam.setCompressionMode(ImageWriteParam.MODE_EXPLICIT);
            imageWriteParam.setCompressionQuality((float) (DEST_QUALITY / 100.0));
            imageWriter.write(null, new IIOImage(destBufferedImage, null, null), imageWriteParam);
            imageOutputStream.flush();
        } catch (IOException e) {
            e.printStackTrace();
        } finally {
            if (graphics2D != null) {
                graphics2D.dispose();
            }
            if (imageWriter != null) {
                imageWriter.dispose();
            }
            if (imageOutputStream != null) {
                try {
                    imageOutputStream.close();
                } catch (IOException e) {
                }
            }
        }
    } else {
        IMOperation operation = new IMOperation();
        operation.thumbnail(destWidth, destHeight);
        operation.gravity("center");
        operation.background(toHexEncoding(BACKGROUND_COLOR));
        operation.extent(destWidth, destHeight);
        operation.quality((double) DEST_QUALITY);
        operation.addImage(srcFile.getPath());
        operation.addImage(destFile.getPath());
        if (type == Type.graphicsMagick) {
            ConvertCmd convertCmd = new ConvertCmd(true);
            if (graphicsMagickPath != null) {
                convertCmd.setSearchPath(graphicsMagickPath);
            }
            try {
                convertCmd.run(operation);
            } catch (IOException e) {
                e.printStackTrace();
            } catch (InterruptedException e) {
                e.printStackTrace();
            } catch (IM4JavaException e) {
                e.printStackTrace();
            }
        } else {
            ConvertCmd convertCmd = new ConvertCmd(false);
            if (imageMagickPath != null) {
                convertCmd.setSearchPath(imageMagickPath);
            }
            try {
                convertCmd.run(operation);
            } catch (IOException e) {
                e.printStackTrace();
            } catch (InterruptedException e) {
                e.printStackTrace();
            } catch (IM4JavaException e) {
                e.printStackTrace();
            }
        }
    }
}

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