Example usage for javax.imageio.metadata IIOMetadata mergeTree

List of usage examples for javax.imageio.metadata IIOMetadata mergeTree

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Introduction

In this page you can find the example usage for javax.imageio.metadata IIOMetadata mergeTree.

Prototype

public abstract void mergeTree(String formatName, Node root) throws IIOInvalidTreeException;

Source Link

Document

Alters the internal state of this IIOMetadata object from a tree of XML DOM Node s whose syntax is defined by the given metadata format.

Usage

From source file:com.ackpdfbox.app.imageio.ImageIOUtil.java

private static void setDPI(IIOMetadata metadata, int dpi, String formatName) throws IIOInvalidTreeException {
    IIOMetadataNode root = (IIOMetadataNode) metadata.getAsTree(MetaUtil.STANDARD_METADATA_FORMAT);

    IIOMetadataNode dimension = getOrCreateChildNode(root, "Dimension");

    // PNG writer doesn't conform to the spec which is
    // "The width of a pixel, in millimeters"
    // but instead counts the pixels per millimeter
    float res = "PNG".equals(formatName.toUpperCase()) ? dpi / 25.4f : 25.4f / dpi;

    IIOMetadataNode child;/*  w  ww  .  j  ava 2 s .  c o  m*/

    child = getOrCreateChildNode(dimension, "HorizontalPixelSize");
    child.setAttribute("value", Double.toString(res));

    child = getOrCreateChildNode(dimension, "VerticalPixelSize");
    child.setAttribute("value", Double.toString(res));

    metadata.mergeTree(MetaUtil.STANDARD_METADATA_FORMAT, root);
}

From source file:com.ackpdfbox.app.imageio.TIFFUtil.java

/**
 * Updates the given ImageIO metadata with Sun's custom TIFF tags, as described in
 * the <a href="https://svn.apache.org/repos/asf/xmlgraphics/commons/tags/commons-1_3_1/src/java/org/apache/xmlgraphics/image/writer/imageio/ImageIOTIFFImageWriter.java">org.apache.xmlgraphics.image.writer.ImageIOTIFFImageWriter
 * sources</a>, /*from  w w w  . j  a  v  a2 s.  co m*/
 * the <a href="http://download.java.net/media/jai-imageio/javadoc/1.0_01/com/sun/media/imageio/plugins/tiff/package-summary.html">com.sun.media.imageio.plugins.tiff
 * package javadoc</a>
 * and the <a href="http://partners.adobe.com/public/developer/tiff/index.html">TIFF
 * specification</a>.
 *
 * @param image buffered image which will be written
 * @param metadata ImageIO metadata
 * @param dpi image dots per inch
 * @throws IIOInvalidTreeException if something goes wrong
 */
static void updateMetadata(IIOMetadata metadata, BufferedImage image, int dpi) throws IIOInvalidTreeException {
    debugLogMetadata(metadata, SUN_TIFF_FORMAT);

    if (!SUN_TIFF_FORMAT.equals(metadata.getNativeMetadataFormatName())) {
        LOG.debug("Using unknown TIFF image writer: " + metadata.getNativeMetadataFormatName());
        return;
    }

    IIOMetadataNode root = new IIOMetadataNode(SUN_TIFF_FORMAT);
    IIOMetadataNode ifd;
    if (root.getElementsByTagName("TIFFIFD").getLength() == 0) {
        ifd = new IIOMetadataNode("TIFFIFD");
        ifd.setAttribute("tagSets", tagSetClassName);
        root.appendChild(ifd);
    } else {
        ifd = (IIOMetadataNode) root.getElementsByTagName("TIFFIFD").item(0);
    }

    // standard metadata does not work, so we set the DPI manually
    ifd.appendChild(createRationalField(282, "XResolution", dpi, 1));
    ifd.appendChild(createRationalField(283, "YResolution", dpi, 1));
    ifd.appendChild(createShortField(296, "ResolutionUnit", 2)); // Inch

    ifd.appendChild(createLongField(278, "RowsPerStrip", image.getHeight()));
    ifd.appendChild(createAsciiField(305, "Software", "PDFBOX"));

    if (image.getType() == BufferedImage.TYPE_BYTE_BINARY && image.getColorModel().getPixelSize() == 1) {
        // set PhotometricInterpretation WhiteIsZero
        // because of bug in Windows XP preview
        ifd.appendChild(createShortField(262, "PhotometricInterpretation", 0));
    }

    metadata.mergeTree(SUN_TIFF_FORMAT, root);

    debugLogMetadata(metadata, SUN_TIFF_FORMAT);
}

From source file:com.aegon.pdf2tiff.TIFFUtil.java

/**
 * Updates the given ImageIO metadata with Sun's custom TIFF tags.
 * {@see https://svn.apache.org/repos/asf/xmlgraphics/commons/tags/commons-1_3_1/src/java/org/
 *       apache/xmlgraphics/image/writer/imageio/ImageIOTIFFImageWriter.java}
 * {@see http://download.java.net/media/jai-imageio/javadoc/1.0_01/com/sun/media/imageio/
 *       plugins/tiff/package-summary.html}
 * {@see http://partners.adobe.com/public/developer/tiff/index.html}
 * @param image buffered image which will be written
 * @param metadata ImageIO metadata/*from   ww w  . j  av a 2s. c om*/
 * @param dpi image dots per inch
 */
public static void updateMetadata(IIOMetadata metadata, BufferedImage image, int dpi) {
    debugLogMetadata(metadata, SUN_TIFF_FORMAT);

    if (!SUN_TIFF_FORMAT.equals(metadata.getNativeMetadataFormatName())) {
        LOG.debug("Using unknown TIFF image writer: " + metadata.getNativeMetadataFormatName());
        return;
    }

    IIOMetadataNode root = new IIOMetadataNode(SUN_TIFF_FORMAT);
    IIOMetadataNode ifd;
    if (root.getElementsByTagName("TIFFIFD").getLength() == 0) {
        ifd = new IIOMetadataNode("TIFFIFD");
        ifd.setAttribute("tagSets", "com.sun.media.imageio.plugins.tiff.BaselineTIFFTagSet");
        root.appendChild(ifd);
    } else {
        ifd = (IIOMetadataNode) root.getElementsByTagName("TIFFIFD").item(0);
    }

    // standard metadata does not work, so we set the DPI manually
    ifd.appendChild(createRationalField(282, "XResolution", dpi, 1));
    ifd.appendChild(createRationalField(283, "YResolution", dpi, 1));
    ifd.appendChild(createShortField(296, "ResolutionUnit", 2)); // Inch

    ifd.appendChild(createLongField(278, "RowsPerStrip", image.getHeight()));
    ifd.appendChild(createAsciiField(305, "Software", "PDFBOX"));

    if (image.getType() == BufferedImage.TYPE_BYTE_BINARY && image.getColorModel().getPixelSize() == 1) {
        // set PhotometricInterpretation WhiteIsZero
        // because of bug in Windows XP preview
        ifd.appendChild(createShortField(262, "PhotometricInterpretation", 0));
    }

    try {
        metadata.mergeTree(SUN_TIFF_FORMAT, root);
    } catch (IIOInvalidTreeException e) {
        // should never happen
        throw new RuntimeException(e);
    }

    debugLogMetadata(metadata, SUN_TIFF_FORMAT);
}

From source file:nl.softwaredesign.exporter.ODTExportFormat.java

/**
 * TODO Move to utility class?//from www .  ja v  a  2  s.co  m
 * Extract the content data (bytes) from the given image.
 * @param icon image to get bytes for
 * @param format desired format for image
 * @param background Color to use as background if transparency in image
 * @param width Desired width of the image in the byte array
 * @param height Desired width of the image in the byte array
 * @return the bytes of the image
 * @throws IOException
 */
private byte[] imageToBytes(ImageIcon icon, String format, Color background, int width, int height)
        throws IOException {
    Iterator writers = ImageIO.getImageWritersByFormatName(format);
    ImageWriter writer = (ImageWriter) writers.next();
    ByteArrayOutputStream output = new ByteArrayOutputStream();
    ImageOutputStream ios = ImageIO.createImageOutputStream(output);
    writer.setOutput(ios);
    BufferedImage img;
    if ("png".equalsIgnoreCase(format) || "gif".equalsIgnoreCase(format)) {
        img = new BufferedImage(width, height, BufferedImage.TYPE_INT_ARGB);
    } else {
        img = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB);
    }
    WaitingObserver observer = new WaitingObserver();
    if (!img.getGraphics().drawImage(icon.getImage(), 0, 0, width, height, background, observer)) {
        try {
            observer.waitForDone();
        } catch (InterruptedException e) {
            Thread.currentThread().interrupt();
            return new byte[0];
        }
    }
    IIOMetadata metadata = writer.getDefaultImageMetadata(new ImageTypeSpecifier(img),
            writer.getDefaultWriteParam());
    if (format.equalsIgnoreCase("jpg")) {
        Element tree = (Element) metadata.getAsTree("javax_imageio_jpeg_image_1.0");
        Element jfif = (Element) tree.getElementsByTagName("app0JFIF").item(0);
        jfif.setAttribute("Xdensity", Integer.toString(72));
        jfif.setAttribute("Ydensity", Integer.toString(72));
        jfif.setAttribute("resUnits", "1");
        metadata.setFromTree("javax_imageio_jpeg_image_1.0", tree);
    } else {
        double dotsPerMilli = 7.2 / 2.54;
        IIOMetadataNode horiz = new IIOMetadataNode("HorizontalPixelSize");
        horiz.setAttribute("value", Double.toString(dotsPerMilli));
        IIOMetadataNode vert = new IIOMetadataNode("VerticalPixelSize");
        vert.setAttribute("value", Double.toString(dotsPerMilli));
        IIOMetadataNode dim = new IIOMetadataNode("Dimension");
        dim.appendChild(horiz);
        dim.appendChild(vert);
        IIOMetadataNode root = new IIOMetadataNode("javax_imageio_1.0");
        root.appendChild(dim);
        metadata.mergeTree("javax_imageio_1.0", root);
    }

    writer.write(null, new IIOImage(img, null, metadata), null);
    return output.toByteArray();
}

From source file:org.apache.pdfbox.util.ImageIOUtil.java

private static void setDPI(IIOMetadata metadata, int dpi, String formatName) {
    IIOMetadataNode root = (IIOMetadataNode) metadata.getAsTree(STANDARD_METADATA_FORMAT);

    IIOMetadataNode dimension = getOrCreateChildNode(root, "Dimension");

    // PNG writer doesn't conform to the spec which is
    // "The width of a pixel, in millimeters"
    // but instead counts the pixels per millimeter
    float res = "PNG".equals(formatName.toUpperCase()) ? dpi / 25.4f : 25.4f / dpi;

    IIOMetadataNode child;//  ww w .j a v a  2 s.  c o m

    child = getOrCreateChildNode(dimension, "HorizontalPixelSize");
    child.setAttribute("value", Double.toString(res));

    child = getOrCreateChildNode(dimension, "VerticalPixelSize");
    child.setAttribute("value", Double.toString(res));

    try {
        metadata.mergeTree(STANDARD_METADATA_FORMAT, root);
    } catch (IIOInvalidTreeException e) {
        // should never happen
        throw new RuntimeException(e);
    }
}

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

private static void setDPI(IIOMetadata metadata, final int dotsPerInch) throws IIOInvalidTreeException {

    final double inchesPerMillimeter = 1.0 / 25.4;
    final double dotsPerMillimeter = dotsPerInch * inchesPerMillimeter;

    IIOMetadataNode horizontalPixelSize = new IIOMetadataNode("HorizontalPixelSize");
    horizontalPixelSize.setAttribute("value", Double.toString(dotsPerMillimeter));

    IIOMetadataNode verticalPixelSize = new IIOMetadataNode("VerticalPixelSize");
    verticalPixelSize.setAttribute("value", Double.toString(dotsPerMillimeter));

    IIOMetadataNode dimension = new IIOMetadataNode("Dimension");
    dimension.appendChild(horizontalPixelSize);
    dimension.appendChild(verticalPixelSize);

    IIOMetadataNode root = new IIOMetadataNode("javax_imageio_1.0");
    root.appendChild(dimension);//from   w w  w.  j av  a  2  s. co  m

    metadata.mergeTree("javax_imageio_1.0", root);
}