Examples with IIOMetadataNode javax.imageio.metadata.IIOMetadataNode used on opensource projects

Example 61 with IIOMetadataNode

use of javax.imageio.metadata.IIOMetadataNode in project imageio-ext by geosolutions-it.

the class CoreCommonImageMetadata method createCommonNativeTree.

/**
 * Returns the XML DOM <code>Node</code> object that represents the root
 * of a tree of metadata contained within this object on its native format.
 *
 * @return a root node containing common metadata exposed on its native
 *         format.
 */
protected Node createCommonNativeTree() {
    // Create root node
    final IIOMetadataNode root = new IIOMetadataNode(nativeMetadataFormatName);
    // ////////////////////////////////////////////////////////////////////
    // 
    // DatasetDescriptor
    // 
    // ////////////////////////////////////////////////////////////////////
    IIOMetadataNode node = new IIOMetadataNode("DatasetDescriptor");
    node.setAttribute("name", datasetName);
    node.setAttribute("description", datasetDescription);
    node.setAttribute("driverName", driverName);
    node.setAttribute("driverDescription", driverDescription);
    node.setAttribute("projection", projection);
    node.setAttribute("numGCPs", Integer.toString(gcpNumber));
    node.setAttribute("gcpProjection", gcpProjection);
    root.appendChild(node);
    // ////////////////////////////////////////////////////////////////////
    // 
    // RasterDimensions
    // 
    // ////////////////////////////////////////////////////////////////////
    node = new IIOMetadataNode("RasterDimensions");
    node.setAttribute("width", Integer.toString(width));
    node.setAttribute("height", Integer.toString(height));
    node.setAttribute("tileWidth", Integer.toString(tileWidth));
    node.setAttribute("tileHeight", Integer.toString(tileHeight));
    node.setAttribute("numBands", Integer.toString(numBands));
    root.appendChild(node);
    // ////////////////////////////////////////////////////////////////////
    // 
    // GeoTransform
    // 
    // ////////////////////////////////////////////////////////////////////
    node = new IIOMetadataNode("GeoTransform");
    final boolean hasgeoTransform = geoTransformation != null && geoTransformation.length > 0;
    node.setAttribute("m0", hasgeoTransform ? Double.toString(geoTransformation[0]) : null);
    node.setAttribute("m1", hasgeoTransform ? Double.toString(geoTransformation[1]) : null);
    node.setAttribute("m2", hasgeoTransform ? Double.toString(geoTransformation[2]) : null);
    node.setAttribute("m3", hasgeoTransform ? Double.toString(geoTransformation[3]) : null);
    node.setAttribute("m4", hasgeoTransform ? Double.toString(geoTransformation[4]) : null);
    node.setAttribute("m5", hasgeoTransform ? Double.toString(geoTransformation[5]) : null);
    root.appendChild(node);
    // ////////////////////////////////////////////////////////////////////
    if (gcpNumber > 0) {
        IIOMetadataNode nodeGCPs = new IIOMetadataNode("GCPS");
        final List<? extends GCP> gcps = getGCPs();
        if (gcps != null && !gcps.isEmpty()) {
            final Iterator<? extends GCP> it = gcps.iterator();
            while (it.hasNext()) {
                node = new IIOMetadataNode("GCP");
                final GCP gcp = it.next();
                node.setAttribute("column", Double.toString(gcp.getColumn()));
                node.setAttribute("row", Double.toString(gcp.getRow()));
                node.setAttribute("id", gcp.getId());
                node.setAttribute("info", gcp.getDescription());
                node.setAttribute("easting", Double.toString(gcp.getEasting()));
                node.setAttribute("northing", Double.toString(gcp.getNorthing()));
                node.setAttribute("elevation", Double.toString(gcp.getElevation()));
                nodeGCPs.appendChild(node);
            }
        }
        root.appendChild(nodeGCPs);
    }
    // ////////////////////////////////////////////////////////////////////
    // 
    // BandsInfo
    // 
    // ////////////////////////////////////////////////////////////////////
    IIOMetadataNode bandsNode = new IIOMetadataNode("BandsInfo");
    // //
    for (int i = 0; i < numBands; i++) {
        node = new IIOMetadataNode("BandInfo");
        node.setAttribute("index", Integer.toString(i));
        node.setAttribute("colorInterpretation", colorInterpretations != null && colorInterpretations.length > i ? Integer.toBinaryString(colorInterpretations[i]) : "");
        node.setAttribute("noData", noDataValues != null && noDataValues.length > i && noDataValues[i] != null ? noDataValues[i].toString() : null);
        node.setAttribute("maximum", maximums != null && maximums.length > i && maximums[i] != null ? maximums[i].toString() : null);
        node.setAttribute("minimum", minimums != null && minimums.length > i && minimums[i] != null ? minimums[i].toString() : null);
        node.setAttribute("scale", scales != null && scales.length > i && scales[i] != null ? scales[i].toString() : null);
        node.setAttribute("offset", offsets != null && offsets.length > i && offsets[i] != null ? offsets[i].toString() : null);
        node.setAttribute("numOverviews", numOverviews != null && numOverviews.length > i ? Integer.toString(numOverviews[i]) : null);
        bandsNode.appendChild(node);
    }
    // ////////////////////////////////////////////////////////////////////
    if (colorModel instanceof IndexColorModel) {
        final IndexColorModel icm = (IndexColorModel) colorModel;
        final int mapSize = icm.getMapSize();
        final boolean hasAlpha = icm.hasAlpha();
        IIOMetadataNode node1 = new IIOMetadataNode("ColorTable");
        node1.setAttribute("sizeOfLocalColorTable", Integer.toString(mapSize));
        final byte[][] rgb = new byte[3 + (hasAlpha ? 1 : 0)][mapSize];
        icm.getReds(rgb[0]);
        icm.getGreens(rgb[1]);
        icm.getBlues(rgb[2]);
        if (hasAlpha) {
            icm.getAlphas(rgb[3]);
        }
        for (int i = 0; i < mapSize; i++) {
            IIOMetadataNode nodeEntry = new IIOMetadataNode("ColorTableEntry");
            nodeEntry.setAttribute("index", Integer.toString(i));
            nodeEntry.setAttribute("red", Byte.toString(rgb[0][i]));
            nodeEntry.setAttribute("green", Byte.toString(rgb[1][i]));
            nodeEntry.setAttribute("blue", Byte.toString(rgb[2][i]));
            if (hasAlpha) {
                nodeEntry.setAttribute("alpha", Byte.toString(rgb[3][i]));
            }
            node1.appendChild(nodeEntry);
        }
        node.appendChild(node1);
    }
    root.appendChild(bandsNode);
    return root;
}

Example 62 with IIOMetadataNode

use of javax.imageio.metadata.IIOMetadataNode in project imageio-ext by geosolutions-it.

the class CoreCommonIIOStreamMetadata method getAsTree.

/**
 * Returns an XML DOM <code>Node</code> object that represents the root of
 * a tree of common stream metadata contained within this object according
 * to the conventions defined by a given metadata format name.
 *
 * @param formatName
 *                the name of the requested metadata format. Note that
 *                actually, the only supported format name is the
 *                {@link CoreCommonIIOStreamMetadata#nativeMetadataFormatName}.
 *                Requesting other format names will result in an
 *                <code>IllegalArgumentException</code>
 */
public Node getAsTree(String formatName) {
    if (!nativeMetadataFormatName.equalsIgnoreCase(formatName))
        throw new IllegalArgumentException(formatName + " is not a recognized format name for gdal stream metadata.");
    final IIOMetadataNode root = new IIOMetadataNode(nativeMetadataFormatName);
    final IIOMetadataNode dataSetsNode = new IIOMetadataNode("DataSets");
    root.appendChild(dataSetsNode);
    // we need to take into account that when subdatasets are supported we
    // have to remove 1 from the number of datasets we declare
    int length = datasetNames.length;
    if (length > 1)
        length--;
    dataSetsNode.setAttribute("number", Integer.toString(length));
    for (int i = 0; i < length; i++) {
        final IIOMetadataNode dataSetNode = new IIOMetadataNode("DataSet");
        dataSetNode.setAttribute("name", datasetNames[i]);
        dataSetsNode.appendChild(dataSetNode);
    }
    return root;
}

Example 63 with IIOMetadataNode

use of javax.imageio.metadata.IIOMetadataNode in project imageio-ext by geosolutions-it.

the class AsciiGridsImageMetadata method getStandardCompressionNode.

protected IIOMetadataNode getStandardCompressionNode() {
    IIOMetadataNode node = new IIOMetadataNode("Compression");
    // CompressionTypeName
    IIOMetadataNode subNode = new IIOMetadataNode("Lossless");
    subNode.setAttribute("value", "TRUE");
    node.appendChild(subNode);
    return node;
}

Example 64 with IIOMetadataNode

use of javax.imageio.metadata.IIOMetadataNode in project ChatGameFontificator by GlitchCog.

the class AnimatedGifUtil method loadDittoAnimatedGif.

/**
 * Fix (ditto) for Java's animated GIF interpretation
 *
 * Adapted from http://stackoverflow.com/questions/26801433/fix-frame-rate-of-animated-gif-in-java#answer-26829534
 *
 * @param url
 *            The URL for the animated GIF to be loaded
 * @param dim
 *            The dimension object to be filled by the width and height of the loaded animated GIF
 * @return The loaded animated GIF
 * @throws Exception
 */
public static Image loadDittoAnimatedGif(final URL url, Dimension dim) {
    final Image dimImage = new ImageIcon(url).getImage();
    Image image = null;
    try {
        ImageReader gifReader = ImageIO.getImageReadersByFormatName(GIF_EXTENSION).next();
        InputStream imageStream = url.openStream();
        gifReader.setInput(ImageIO.createImageInputStream(imageStream));
        IIOMetadata imageMetaData = gifReader.getImageMetadata(0);
        String metaFormatName = imageMetaData.getNativeMetadataFormatName();
        final int frameCount = gifReader.getNumImages(true);
        ByteArrayOutputStream baoStream = new ByteArrayOutputStream();
        ImageOutputStream ios = ImageIO.createImageOutputStream(baoStream);
        ImageWriter writer = ImageIO.getImageWriter(gifReader);
        writer.setOutput(ios);
        writer.prepareWriteSequence(null);
        final int imgWidth = dimImage.getWidth(null);
        final int imgHeight = dimImage.getHeight(null);
        dim.setSize(imgWidth, imgHeight);
        for (int i = 0; i < frameCount; i++) {
            // This read method takes into account the frame's top and left coordinates
            BufferedImage frame = gifReader.read(i);
            IIOMetadataNode nodes = (IIOMetadataNode) gifReader.getImageMetadata(i).getAsTree(metaFormatName);
            for (int j = 0; j < nodes.getLength(); j++) {
                IIOMetadataNode node = (IIOMetadataNode) nodes.item(j);
                if (GRAPHIC_CTRL_EXT.equalsIgnoreCase(node.getNodeName())) {
                    int delay = Integer.parseInt(node.getAttribute(ATTRIBUTE_DELAY_TIME));
                    // Minimum delay for browsers, which delay animated GIFs much more than would be to spec
                    if (delay < MIN_ANI_GIF_DELAY) {
                        node.setAttribute(ATTRIBUTE_DELAY_TIME, Integer.toString(MIN_ANI_GIF_DELAY));
                    }
                    // at least not for BTTV's (ditto)
                    if (node.getAttribute(ATTRIBUTE_DISPOSAL_METHOD).equals(DISPOSE_RESTORE_TO_PREVIOUS)) {
                        node.setAttribute(ATTRIBUTE_DISPOSAL_METHOD, DISPOSE_RESTORE_TO_BGCOLOR);
                    }
                }
            }
            IIOMetadata metadata = writer.getDefaultImageMetadata(new ImageTypeSpecifier(frame), null);
            metadata.setFromTree(metadata.getNativeMetadataFormatName(), nodes);
            // This modified frame is necessary to get the correct image placement, width, and height in the final GIF
            BufferedImage frameMod = new BufferedImage(imgWidth, imgHeight, BufferedImage.TYPE_INT_ARGB);
            Graphics big = frameMod.getGraphics();
            big.drawImage(frame, 0, 0, null);
            IIOImage fixedFrame = new IIOImage(frameMod, null, metadata);
            writer.writeToSequence(fixedFrame, writer.getDefaultWriteParam());
        }
        writer.endWriteSequence();
        if (ios != null) {
            ios.close();
        }
        image = Toolkit.getDefaultToolkit().createImage(baoStream.toByteArray());
    } catch (Exception e) {
        // If anything goes wrong, just load it normally
        logger.error("Error loading animated GIF (ditto) from " + url, e);
        image = new ImageIcon(url).getImage();
        dim.setSize(image.getWidth(null), image.getHeight(null));
    }
    return image;
}

Example 65 with IIOMetadataNode

use of javax.imageio.metadata.IIOMetadataNode in project ChatGameFontificator by GlitchCog.

the class ControlWindow method generateMetadataNode.

private IIOMetadataNode generateMetadataNode(String key, String value) {
    IIOMetadataNode node = new IIOMetadataNode("tEXtEntry");
    node.setAttribute("keyword", key);
    node.setAttribute("value", value);
    return node;
}