Example usage for javax.imageio ImageWriter write

Introduction

In this page you can find the example usage for javax.imageio ImageWriter write.

Prototype

public abstract void write(IIOMetadata streamMetadata, IIOImage image, ImageWriteParam param)
        throws IOException;

Source Link

Document

Appends a complete image stream containing a single image and associated stream and image metadata and thumbnails to the output.

Usage

From source file:org.forgerock.doc.maven.PNGUtils.java

private static void saveBufferedImage(final BufferedImage bufferedImage, final File outputFile,
        final int dotsPerInch) throws IOException {
    for (Iterator<ImageWriter> iw = ImageIO.getImageWritersByFormatName("png"); iw.hasNext();) {
        ImageWriter writer = iw.next();
        ImageWriteParam writeParam = writer.getDefaultWriteParam();
        ImageTypeSpecifier typeSpecifier = ImageTypeSpecifier
                .createFromBufferedImageType(BufferedImage.TYPE_INT_RGB);
        IIOMetadata metadata = writer.getDefaultImageMetadata(typeSpecifier, writeParam);
        if (metadata.isReadOnly() || !metadata.isStandardMetadataFormatSupported()) {
            continue;
        }//from  w ww  .j  a  v  a2 s .c o  m

        setDPI(metadata, dotsPerInch);

        final ImageOutputStream stream = ImageIO.createImageOutputStream(outputFile);
        try {
            writer.setOutput(stream);
            writer.write(metadata, new IIOImage(bufferedImage, null, metadata), writeParam);
        } finally {
            stream.close();
        }
        break;
    }
}

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From source file:editeurpanovisu.ReadWriteImage.java

/**
 *
 * @param img// w w  w. j a  v a  2 s . c om
 * @param destFile
 * @param sharpen
 * @param sharpenLevel
 * @throws IOException
 */
public static void writePng(Image img, String destFile, 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.BITMASK);
    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("png").next();
        ImageWriteParam param = writer.getDefaultWriteParam();
        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: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  w  w w  .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  a2  s . co  m
 * @param destFile
 * @param sharpen
 * @param sharpenLevel
 * @throws IOException
 */
public static void writeBMP(Image img, String destFile, 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("bmp").next();
        ImageWriteParam param = writer.getDefaultWriteParam();
        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:eu.europa.esig.dss.pades.signature.visible.ImageFactory.java

private static InputStream convertToInputStream(BufferedImage buffImage, int dpi) throws IOException {
    Iterator<ImageWriter> it = ImageIO.getImageWritersByFormatName("jpeg");
    if (!it.hasNext()) {
        throw new DSSException("No writer for JPEG found");
    }/*from  ww w  . j  av a  2 s  .  c  om*/
    ImageWriter writer = it.next();

    JPEGImageWriteParam jpegParams = (JPEGImageWriteParam) writer.getDefaultWriteParam();
    jpegParams.setCompressionMode(JPEGImageWriteParam.MODE_EXPLICIT);
    jpegParams.setCompressionQuality(1);

    ImageTypeSpecifier typeSpecifier = ImageTypeSpecifier
            .createFromBufferedImageType(BufferedImage.TYPE_INT_RGB);
    IIOMetadata metadata = writer.getDefaultImageMetadata(typeSpecifier, jpegParams);

    initDpi(metadata, dpi);

    ByteArrayOutputStream os = new ByteArrayOutputStream();
    ImageOutputStream imageOs = ImageIO.createImageOutputStream(os);
    writer.setOutput(imageOs);
    writer.write(metadata, new IIOImage(buffImage, null, metadata), jpegParams);

    InputStream is = new ByteArrayInputStream(os.toByteArray());
    return is;
}

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From source file:editeurpanovisu.ReadWriteImage.java

/**
 *
 * @param img/*from  w  ww  .  ja va 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:org.olat.core.commons.services.image.spi.ImageHelperImpl.java

/**
 * Can change this to choose a better compression level as the default
 * @param image/*from   ww w. j  a  v a 2s  . c  om*/
 * @param scaledImage
 * @return
 */
public static boolean writeTo(BufferedImage image, File scaledImage, Size scaledSize, String outputFormat) {
    try {
        if (!StringHelper.containsNonWhitespace(outputFormat)) {
            outputFormat = OUTPUT_FORMAT;
        }

        Iterator<ImageWriter> writers = ImageIO.getImageWritersByFormatName(outputFormat);
        if (writers.hasNext()) {
            ImageWriter writer = writers.next();
            ImageWriteParam iwp = getOptimizedImageWriteParam(writer, scaledSize);
            IIOImage iiOImage = new IIOImage(image, null, null);
            ImageOutputStream iOut = new FileImageOutputStream(scaledImage);
            writer.setOutput(iOut);
            writer.write(null, iiOImage, iwp);
            writer.dispose();
            iOut.flush();
            iOut.close();
            return true;
        } else {
            return ImageIO.write(image, outputFormat, scaledImage);
        }
    } catch (IOException e) {
        return false;
    }
}

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From source file:org.olat.core.commons.services.image.spi.ImageHelperImpl.java

/**
 * Can change this to choose a better compression level as the default
 * @param image//from   ww  w  . j a va2  s  . co m
 * @param scaledImage
 * @return
 */
private static boolean writeTo(BufferedImage image, OutputStream scaledImage, Size scaledSize,
        String outputFormat) {
    try {
        if (!StringHelper.containsNonWhitespace(outputFormat)) {
            outputFormat = OUTPUT_FORMAT;
        }

        Iterator<ImageWriter> writers = ImageIO.getImageWritersByFormatName(outputFormat);
        if (writers.hasNext()) {
            ImageWriter writer = writers.next();
            ImageWriteParam iwp = getOptimizedImageWriteParam(writer, scaledSize);
            IIOImage iiOImage = new IIOImage(image, null, null);
            ImageOutputStream iOut = new MemoryCacheImageOutputStream(scaledImage);
            writer.setOutput(iOut);
            writer.write(null, iiOImage, iwp);
            writer.dispose();
            iOut.flush();
            iOut.close();
            return true;
        } else {
            return ImageIO.write(image, outputFormat, scaledImage);
        }
    } catch (IOException e) {
        return false;
    }
}

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From source file:common.utils.ImageUtils.java

public static void writeImage(BufferedImage image, float quality, OutputStream out) throws IOException {
    ImageWriter writer = getImageWriter();
    if (writer == null)
        return;//  w ww .j  a  v  a  2s .c  o m
    ImageOutputStream ios = ImageIO.createImageOutputStream(out);
    writer.setOutput(ios);
    ImageWriteParam param = writer.getDefaultWriteParam();
    //JPEGImageWriteParam param = new JPEGImageWriteParam(Locale.getDefault());
    //param.setOptimizeHuffmanTables(true);
    if (quality >= 0) {
        param.setCompressionMode(ImageWriteParam.MODE_EXPLICIT);
        param.setCompressionQuality(quality);
        //param.setCompressionMode(ImageWriteParam.MODE_COPY_FROM_METADATA);
        //param.setProgressiveMode(ImageWriteParam.MODE_DISABLED);
        //param.setTilingMode(ImageWriteParam.MODE_DISABLED);
    }
    writer.write(null, new IIOImage(image, null, null), param);
}

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From source file:tvbrowserdataservice.file.ProgramField.java

/**
 * This Function loads an image using imageio,
 * resizes it to the Max-Size of Images in TVBrowser and
 * stores it as an compressed jpg./*from   ww  w .ja  va  2  s . c  o  m*/
 * <p/>
 * If the Image is smaller than the Max-Size, it isn't altered
 *
 * @param data Image-Data
 * @return resized Image-Data
 */
private static byte[] recreateImage(byte[] data) {
    byte[] newdata = null;
    BufferedImage image = null;
    try {
        // Read Image
        image = ImageIO.read(new ByteArrayInputStream(data));

        int curx = image.getWidth(null);
        int cury = image.getHeight(null);

        // If the Size is < than max, use the original Data to reduce compression
        // artefacts
        if ((curx <= MAX_IMAGE_SIZE_X) && (cury <= MAX_IMAGE_SIZE_Y)) {
            return data;
        }

        int newx = MAX_IMAGE_SIZE_X;
        int newy = (int) ((MAX_IMAGE_SIZE_X / (float) curx) * cury);

        if (newy > MAX_IMAGE_SIZE_Y) {
            newy = MAX_IMAGE_SIZE_Y;
            newx = (int) ((MAX_IMAGE_SIZE_Y / (float) cury) * curx);
        }

        BufferedImage tempPic = new BufferedImage(image.getWidth(null), image.getHeight(null),
                BufferedImage.TYPE_INT_RGB);
        Graphics2D g2d = tempPic.createGraphics();
        g2d.drawImage(image, null, null);
        g2d.dispose();

        BufferedImage newImage = UiUtilities.scaleIconToBufferedImage(tempPic, newx, newy);

        ByteArrayOutputStream out = new ByteArrayOutputStream();

        // Find a jpeg writer
        ImageWriter writer = null;
        Iterator<ImageWriter> iter = ImageIO.getImageWritersByFormatName("jpg");
        if (iter.hasNext()) {
            writer = iter.next();
        }

        if (writer != null) {
            // Prepare output file
            ImageOutputStream ios = ImageIO.createImageOutputStream(out);
            writer.setOutput(ios);

            JPEGImageWriteParam param = new JPEGImageWriteParam(null);

            param.setCompressionMode(ImageWriteParam.MODE_EXPLICIT);
            param.setCompressionQuality(0.85f);

            // Write the image
            writer.write(null, new IIOImage(newImage, null, null), param);

            // Cleanup
            ios.flush();
            writer.dispose();
            ios.close();

            newdata = out.toByteArray();
        } else {
            mLog.severe("No JPEG-Exporter found. Image is not stored in Data");
        }

    } catch (IOException e) {
        e.printStackTrace();
        newdata = null;
    }

    return newdata;
}

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