Example usage for javax.imageio ImageWriteParam setCompressionQuality

List of usage examples for javax.imageio ImageWriteParam setCompressionQuality

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Introduction

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

Prototype

public void setCompressionQuality(float quality)

Source Link

Document

Sets the compression quality to a value between 0 and 1 .

Usage

From source file:ImageUtil.java

/**
 * store BufferedImage to file//from  w w  w. 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;
}

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  ww  w  .  j a va  2  s  .  c om
 * 
 * @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();
}

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

/**
 * Creates a thumbnail/*  w  w w .ja v  a2 s .co  m*/
 * 
 * @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();
    }
}

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 ww  w  . java2  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 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;
    }// w w w .java2  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;
}

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();/*from  www  . ja  v  a  2  s  . c o m*/

    // 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);
}

From source file:editeurpanovisu.ReadWriteImage.java

/**
 *
 * @param img/*  w w  w.ja  va2  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();
}

From source file:ImageUtils.java

/**
 * Compress and save an image to the disk. Currently this method only supports JPEG images.
 * /*from ww w  . j a v  a2  s.  c om*/
 * @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();
    }
}

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

public static void zoom(File srcFile, File destFile, int destWidth, int destHeight) {
    Assert.notNull(srcFile);//from www. j  a  va2  s. c o m
    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();
            }
        }
    }
}

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

public static void addWatermark(File srcFile, File destFile, File watermarkFile, int alpha) {
    Assert.notNull(srcFile);//from w  w w . j av  a2s.  com
    Assert.notNull(destFile);
    Assert.state(alpha >= 0);
    Assert.state(alpha <= 100);
    if (watermarkFile == null || !watermarkFile.exists()) {
        try {
            FileUtils.copyFile(srcFile, destFile);
        } catch (IOException e) {
            e.printStackTrace();
        }
        return;
    }
    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();
            BufferedImage destBufferedImage = new BufferedImage(srcWidth, srcHeight,
                    BufferedImage.TYPE_INT_RGB);
            graphics2D = destBufferedImage.createGraphics();
            graphics2D.setBackground(BACKGROUND_COLOR);
            graphics2D.clearRect(0, 0, srcWidth, srcHeight);
            graphics2D.drawImage(srcBufferedImage, 0, 0, null);
            graphics2D.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_ATOP, alpha / 100F));

            BufferedImage watermarkBufferedImage = ImageIO.read(watermarkFile);
            int watermarkImageWidth = watermarkBufferedImage.getWidth();
            int watermarkImageHeight = watermarkBufferedImage.getHeight();
            int x = srcWidth - watermarkImageWidth;
            int y = srcHeight - watermarkImageHeight;

            graphics2D.drawImage(watermarkBufferedImage, x, y, watermarkImageWidth, watermarkImageHeight, 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(DEST_QUALITY / 100F);
            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.dissolve(alpha);
        operation.quality((double) DEST_QUALITY);
        operation.addImage(watermarkFile.getPath());
        operation.addImage(srcFile.getPath());
        operation.addImage(destFile.getPath());
        if (type == Type.graphicsMagick) {
            CompositeCmd compositeCmd = new CompositeCmd(true);
            if (graphicsMagickPath != null) {
                compositeCmd.setSearchPath(graphicsMagickPath);
            }
            try {
                compositeCmd.run(operation);
            } catch (IOException e) {
                e.printStackTrace();
            } catch (InterruptedException e) {
                e.printStackTrace();
            } catch (IM4JavaException e) {
                e.printStackTrace();
            }
        } else {
            CompositeCmd compositeCmd = new CompositeCmd(false);
            if (imageMagickPath != null) {
                compositeCmd.setSearchPath(imageMagickPath);
            }
            try {
                compositeCmd.run(operation);
            } catch (IOException e) {
                e.printStackTrace();
            } catch (InterruptedException e) {
                e.printStackTrace();
            } catch (IM4JavaException e) {
                e.printStackTrace();
            }
        }
    }
}