Example usage for javax.imageio.metadata IIOMetadata getAsTree

Introduction

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

Prototype

public abstract Node getAsTree(String formatName);

Source Link

Document

Returns an XML DOM Node object that represents the root of a tree of metadata contained within this object according to the conventions defined by a given metadata format.

Usage

From source file:eu.europa.esig.dss.pades.signature.visible.ImageFactory.java

private static void initDpi(IIOMetadata metadata, int dpi) throws IIOInvalidTreeException {
    Element tree = (Element) metadata.getAsTree("javax_imageio_jpeg_image_1.0");
    Element jfif = (Element) tree.getElementsByTagName("app0JFIF").item(0);
    jfif.setAttribute("Xdensity", Integer.toString(dpi));
    jfif.setAttribute("Ydensity", Integer.toString(dpi));
    jfif.setAttribute("resUnits", "1"); // density is dots per inch
    metadata.setFromTree("javax_imageio_jpeg_image_1.0", tree);
}

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From source file:de.mpg.imeji.presentation.metadata.extractors.BasicExtractor.java

public static List<String> extractTechMd(Item item) throws Exception {
    List<String> techMd = new ArrayList<String>();
    URI uri = item.getFullImageUrl();
    String imageUrl = uri.toURL().toString();
    GetMethod method = new GetMethod(imageUrl);
    method.setFollowRedirects(false);//from w  w  w . ja v  a2  s  . c o m
    String userHandle = null;
    userHandle = LoginHelper.login(PropertyReader.getProperty("imeji.escidoc.user"),
            PropertyReader.getProperty("imeji.escidoc.password"));
    method.addRequestHeader("Cookie", "escidocCookie=" + userHandle);
    HttpClient client = new HttpClient();
    client.executeMethod(method);
    InputStream input = method.getResponseBodyAsStream();
    ImageInputStream iis = ImageIO.createImageInputStream(input);
    Iterator<ImageReader> readers = ImageIO.getImageReaders(iis);
    if (readers.hasNext()) {
        // pick the first available ImageReader
        ImageReader reader = readers.next();
        // attach source to the reader
        reader.setInput(iis, true);
        // read metadata of first image
        IIOMetadata metadata = reader.getImageMetadata(0);
        String[] names = metadata.getMetadataFormatNames();
        int length = names.length;
        for (int i = 0; i < length; i++) {
            displayMetadata(techMd, metadata.getAsTree(names[i]));
        }
    }
    return techMd;
}

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

static void debugLogMetadata(IIOMetadata metadata, String format) {
    if (!LOG.isDebugEnabled()) {
        return;/*from w w  w  .ja  v  a2s. c om*/
    }

    // see http://docs.oracle.com/javase/7/docs/api/javax/imageio/
    //     metadata/doc-files/standard_metadata.html
    IIOMetadataNode root = (IIOMetadataNode) metadata.getAsTree(format);
    try {
        StringWriter xmlStringWriter = new StringWriter();
        StreamResult streamResult = new StreamResult(xmlStringWriter);
        Transformer transformer = TransformerFactory.newInstance().newTransformer();
        // see http://stackoverflow.com/a/1264872/535646
        transformer.setOutputProperty(OutputKeys.INDENT, "yes");
        transformer.setOutputProperty("{http://xml.apache.org/xslt}indent-amount", "2");
        DOMSource domSource = new DOMSource(root);
        transformer.transform(domSource, streamResult);
        LOG.debug("\n" + xmlStringWriter);
    } catch (IllegalArgumentException ex) {
        LOG.error(ex, ex);
    } catch (TransformerException ex) {
        LOG.error(ex, ex);
    }
}

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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;/*w  w  w.  j  a va 2s  . co 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);
    }
}

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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;//from www  . j  av 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));

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

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From source file:org.sejda.sambox.pdmodel.graphics.image.JPEGFactory.java

private static void encodeImageToJPEGStream(BufferedImage image, float quality, int dpi, OutputStream out)
        throws IOException {
    // encode to JPEG
    ImageOutputStream ios = null;
    ImageWriter imageWriter = null;
    try {//from  w w  w. ja va 2  s. c  o m
        // find JAI writer
        imageWriter = ImageIO.getImageWritersBySuffix("jpeg").next();
        ios = ImageIO.createImageOutputStream(out);
        imageWriter.setOutput(ios);

        // add compression
        JPEGImageWriteParam jpegParam = (JPEGImageWriteParam) imageWriter.getDefaultWriteParam();
        jpegParam.setCompressionMode(JPEGImageWriteParam.MODE_EXPLICIT);
        jpegParam.setCompressionQuality(quality);

        // add metadata
        ImageTypeSpecifier imageTypeSpecifier = new ImageTypeSpecifier(image);
        IIOMetadata data = imageWriter.getDefaultImageMetadata(imageTypeSpecifier, jpegParam);
        Element tree = (Element) data.getAsTree("javax_imageio_jpeg_image_1.0");
        Element jfif = (Element) tree.getElementsByTagName("app0JFIF").item(0);
        jfif.setAttribute("Xdensity", Integer.toString(dpi));
        jfif.setAttribute("Ydensity", Integer.toString(dpi));
        jfif.setAttribute("resUnits", "1"); // 1 = dots/inch

        // write
        imageWriter.write(data, new IIOImage(image, null, null), jpegParam);
    } finally {
        // clean up
        IOUtils.closeQuietly(out);
        if (ios != null) {
            ios.close();
        }
        if (imageWriter != null) {
            imageWriter.dispose();
        }
    }
}

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From source file:com.sketchy.utils.image.SketchyImage.java

public static SketchyImage load(File file) throws Exception {
    SketchyImage sketchyImage = null;//from   w  w w.ja va 2  s .c  o  m

    if (!file.exists() || !file.canRead()) {
        throw new Exception("Can not find or read File: " + file.getPath() + "!");
    }

    if (!StringUtils.endsWithIgnoreCase(file.getName(), ".png")) {
        throw new Exception("Can not load SketchyImage! Must be a .png file!");
    }

    Iterator<ImageReader> imageReaders = ImageIO.getImageReadersByFormatName("png");
    ImageReader imageReader = null;
    if (imageReaders.hasNext()) { // Just get first one
        imageReader = imageReaders.next();
    }
    if (imageReader == null) {
        // this should never happen!! if so.. we got problems
        throw new Exception("Can not find ImageReader for .png Files!");
    }

    ImageInputStream is = null;
    try {
        is = ImageIO.createImageInputStream(file);
        imageReader.setInput(is, true);
        IIOMetadata metaData = imageReader.getImageMetadata(0); // always get first image
        IIOMetadataNode metaDataNode = (IIOMetadataNode) metaData
                .getAsTree(metaData.getNativeMetadataFormatName());
        if (metaDataNode == null) {
            throw new Exception("Error retreiving MetaData properties from .png File!");
        }

        NodeList childNodes = metaDataNode.getElementsByTagName("pHYs");
        // only look in the first node
        if (childNodes.getLength() == 0) {
            throw new Exception("Invalid SketchyImage file. It must contain 'pixelsPerUnit' MetaData!");
        }
        IIOMetadataNode physNode = (IIOMetadataNode) childNodes.item(0);
        String pixelsPerUnitXAxisAttribute = physNode.getAttribute("pixelsPerUnitXAxis");
        String pixelsPerUnitYAxisAttribute = physNode.getAttribute("pixelsPerUnitYAxis");
        // String unitSpecifierAttribute = physNode.getAttribute("unitSpecifier"); Just assuming meter
        if (StringUtils.isBlank(pixelsPerUnitXAxisAttribute)) {
            throw new Exception("Invalid SketchyImage file. It must contain 'pixelsPerUnitXAxis' MetaData!");
        }
        if (StringUtils.isBlank(pixelsPerUnitYAxisAttribute)) {
            throw new Exception("Invalid SketchyImage file. It must contain 'pixelsPerUnitYAxis' MetaData!");
        }

        int pixelsPerUnitXAxis;
        try {
            pixelsPerUnitXAxis = Integer.parseInt(pixelsPerUnitXAxisAttribute);
            if (pixelsPerUnitXAxis <= 0)
                throw new Exception("Value must be > 0");
        } catch (Exception e) {
            throw new Exception("Invalid 'pixelsPerUnitXAxis' MetaData Attribute! " + e.getMessage());
        }

        int pixelsPerUnitYAxis;
        try {
            pixelsPerUnitYAxis = Integer.parseInt(pixelsPerUnitYAxisAttribute);
            if (pixelsPerUnitYAxis <= 0)
                throw new Exception("Value must be > 0");
        } catch (Exception e) {
            throw new Exception("Invalid 'pixelsPerUnitYAxis' MetaData Attribute! " + e.getMessage());
        }

        // We successfully processed the MetaData.. now read/set the image 
        BufferedImage bufferedImage = imageReader.read(0); // always get first image

        double xPixelsPerMM = pixelsPerUnitXAxis / 1000.0;
        double yPixelsPerMM = pixelsPerUnitYAxis / 1000.0;

        sketchyImage = new SketchyImage(bufferedImage, xPixelsPerMM, yPixelsPerMM);
    } catch (Exception e) {
        throw new Exception("Error Loading SketchyImage File: " + file.getPath() + "! " + e.getMessage());
    } finally {
        IOUtils.closeQuietly(is);
    }

    return sketchyImage;
}

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From source file:org.apache.tika.parser.image.ImageParser.java

private static void loadMetadata(IIOMetadata imageMetadata, Metadata metadata) {
    if (imageMetadata == null) {
        return;//from  w  w  w.  j a v a2 s  .  com
    }
    String[] names = imageMetadata.getMetadataFormatNames();
    if (names == null) {
        return;
    }
    for (String name : names) {
        loadNode(metadata, imageMetadata.getAsTree(name), "", false);
    }
}

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From source file:net.rptools.tokentool.util.ImageUtil.java

private static ImageView getImage(ImageView thumbView, final Path filePath, final boolean overlayWanted,
        final int THUMB_SIZE) throws IOException {
    Image thumb = null;//from  w  ww  .  ja  v a2s.c  om
    String fileURL = filePath.toUri().toURL().toString();

    if (ImageUtil.SUPPORTED_IMAGE_FILE_FILTER.accept(null, fileURL)) {
        if (THUMB_SIZE <= 0)
            thumb = processMagenta(new Image(fileURL), COLOR_THRESHOLD, overlayWanted);
        else
            thumb = processMagenta(new Image(fileURL, THUMB_SIZE, THUMB_SIZE, true, true), COLOR_THRESHOLD,
                    overlayWanted);
    } else if (ImageUtil.PSD_FILE_FILTER.accept(null, fileURL)) {
        ImageInputStream is = null;
        PSDImageReader reader = null;
        int imageIndex = 1;

        // Mask layer should always be layer 1 and overlay image on layer 2. Note, layer 0 will be a combined layer composite
        if (overlayWanted)
            imageIndex = 2;

        File file = filePath.toFile();

        try {
            is = ImageIO.createImageInputStream(file);
            if (is == null || is.length() == 0) {
                log.info("Image from file " + file.getAbsolutePath() + " is null");
            }

            Iterator<ImageReader> iterator = ImageIO.getImageReaders(is);
            if (iterator == null || !iterator.hasNext()) {
                throw new IOException("Image file format not supported by ImageIO: " + filePath);
            }

            reader = (PSDImageReader) iterator.next();
            reader.setInput(is);
            BufferedImage thumbBI;
            thumbBI = reader.read(imageIndex);

            if (thumbBI != null) {
                int layerIndex = 0;
                if (overlayWanted)
                    layerIndex = 1;

                IIOMetadata metadata = reader.getImageMetadata(0);
                IIOMetadataNode root = (IIOMetadataNode) metadata
                        .getAsTree(PSDMetadata.NATIVE_METADATA_FORMAT_NAME);
                NodeList layerInfos = root.getElementsByTagName("LayerInfo");

                // Layer index corresponds to imageIndex - 1 in the reader
                IIOMetadataNode layerInfo = (IIOMetadataNode) layerInfos.item(layerIndex);

                // Get the width & height of the Mask layer so we can create the overlay the same size
                int width = reader.getWidth(0);
                int height = reader.getHeight(0);

                // Get layer offsets, PhotoShop PSD layers can have different widths/heights and all images start at 0,0 with a layer offset applied
                int x = Math.max(Integer.parseInt(layerInfo.getAttribute("left")), 0);
                int y = Math.max(Integer.parseInt(layerInfo.getAttribute("top")), 0);

                // Lets pad the overlay with transparency to make it the same size as the PSD canvas size
                thumb = resizeCanvas(SwingFXUtils.toFXImage(thumbBI, null), width, height, x, y);

                // Finally set ImageView to thumbnail size
                if (THUMB_SIZE > 0) {
                    thumbView.setFitWidth(THUMB_SIZE);
                    thumbView.setPreserveRatio(true);
                }
            }
        } catch (Exception e) {
            log.error("Processing: " + file.getAbsolutePath(), e);
        } finally {
            // Dispose reader in finally block to avoid memory leaks
            reader.dispose();
            is.close();
        }
    }

    thumbView.setImage(thumb);

    return thumbView;
}

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From source file:com.sketchy.utils.image.SketchyImage.java

public static void save(SketchyImage sketchyImage, File file) throws Exception {
    if (!file.getParentFile().canWrite()) {
        throw new Exception("Can not write to File: " + file.getPath() + "!");
    }// ww  w .j a  va 2 s .  co  m

    if (!StringUtils.endsWithIgnoreCase(file.getName(), ".png")) {
        throw new Exception("Can not save SketchyImage! Must be a .png file!");
    }

    Iterator<ImageWriter> imageWriters = ImageIO.getImageWritersByFormatName("png");
    ImageWriter imageWriter = null;
    if (imageWriters.hasNext()) { // Just get first one
        imageWriter = imageWriters.next();
    }
    if (imageWriter == null) {
        // this should never happen!! if so.. we got problems
        throw new Exception("Can not find ImageReader for .png Files!");
    }

    ImageOutputStream os = null;
    try {
        os = ImageIO.createImageOutputStream(file);
        imageWriter.setOutput(os);

        ImageWriteParam imageWriterParam = imageWriter.getDefaultWriteParam();
        IIOMetadata metadata = imageWriter.getDefaultImageMetadata(
                ImageTypeSpecifier.createFromBufferedImageType(BufferedImage.TYPE_BYTE_BINARY),
                imageWriterParam);

        String metaDataFormatName = metadata.getNativeMetadataFormatName();
        IIOMetadataNode metaDataNode = (IIOMetadataNode) metadata.getAsTree(metaDataFormatName);

        NodeList childNodes = metaDataNode.getElementsByTagName("pHYs");
        IIOMetadataNode physNode = null;
        if (childNodes.getLength() == 0) {
            physNode = new IIOMetadataNode("pHYs");
            physNode.setAttribute("pixelsPerUnitXAxis",
                    Integer.toString((int) Math.ceil(sketchyImage.dotsPerMillimeterWidth * 1000)));
            physNode.setAttribute("pixelsPerUnitYAxis",
                    Integer.toString((int) Math.ceil(sketchyImage.dotsPerMillimeterHeight * 1000)));
            physNode.setAttribute("unitSpecifier", "meter"); // always meter
            metaDataNode.appendChild(physNode);
        } else {
            for (int nodeIdx = 0; nodeIdx < childNodes.getLength(); nodeIdx++) {
                physNode = (IIOMetadataNode) childNodes.item(nodeIdx);
                physNode.setAttribute("pixelsPerUnitXAxis",
                        Integer.toString((int) Math.ceil(sketchyImage.dotsPerMillimeterWidth * 1000)));
                physNode.setAttribute("pixelsPerUnitYAxis",
                        Integer.toString((int) Math.ceil(sketchyImage.dotsPerMillimeterHeight * 1000)));
                physNode.setAttribute("unitSpecifier", "meter"); // always meter
                metaDataNode.appendChild(physNode);
            }
        }
        metadata.setFromTree(metaDataFormatName, metaDataNode);
        imageWriter.write(new IIOImage(sketchyImage.image, null, metadata));
        os.flush();
    } catch (Exception e) {
        throw new Exception("Error Saving SketchyImage File: " + file.getPath() + "!  " + e.getMessage());
    } finally {
        IOUtils.closeQuietly(os);
    }
}

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