/* * #%L * Fork of JAI Image I/O Tools. * %% * Copyright (C) 2008 - 2014 Open Microscopy Environment: * - Board of Regents of the University of Wisconsin-Madison * - Glencoe Software, Inc. * - University of Dundee * %% * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: * * 1. Redistributions of source code must retain the above copyright notice, * this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright notice, * this list of conditions and the following disclaimer in the documentation * and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. * * The views and conclusions contained in the software and documentation are * those of the authors and should not be interpreted as representing official * policies, either expressed or implied, of any organization. * #L% */ /* * $RCSfile: FileTypeBox.java,v $ * * * Copyright (c) 2005 Sun Microsystems, Inc. All Rights Reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * - Redistribution of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * - Redistribution in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in * the documentation and/or other materials provided with the * distribution. * * Neither the name of Sun Microsystems, Inc. or the names of * contributors may be used to endorse or promote products derived * from this software without specific prior written permission. * * This software is provided "AS IS," without a warranty of any * kind. ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY * EXCLUDED. SUN MIDROSYSTEMS, INC. ("SUN") AND ITS LICENSORS SHALL * NOT BE LIABLE FOR ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF * USING, MODIFYING OR DISTRIBUTING THIS SOFTWARE OR ITS * DERIVATIVES. IN NO EVENT WILL SUN OR ITS LICENSORS BE LIABLE FOR * ANY LOST REVENUE, PROFIT OR DATA, OR FOR DIRECT, INDIRECT, SPECIAL, * CONSEQUENTIAL, INCIDENTAL OR PUNITIVE DAMAGES, HOWEVER CAUSED AND * REGARDLESS OF THE THEORY OF LIABILITY, ARISING OUT OF THE USE OF OR * INABILITY TO USE THIS SOFTWARE, EVEN IF SUN HAS BEEN ADVISED OF THE * POSSIBILITY OF SUCH DAMAGES. * * You acknowledge that this software is not designed or intended for * use in the design, construction, operation or maintenance of any * nuclear facility. * * $Revision: 1.1 $ * $Date: 2005/02/11 05:01:32 $ * $State: Exp $ */ package com.sun.media.imageioimpl.plugins.jpeg2000; import javax.imageio.metadata.IIOInvalidTreeException; import javax.imageio.metadata.IIOMetadataNode; import org.w3c.dom.Node; import org.w3c.dom.NodeList; /** This class is defined to represent a File Type Box of JPEG JP2 file * format. A File Type Box has a length, and a fixed type of "ftyp". * * The content of a file type box contains the brand ("jp2 " for JP2 file", * the minor version (0 for JP2 file format), and a compatibility list (one of * which should be "jp2 " if brand is not "jp2 ".) */ public class FileTypeBox extends Box { /** Cache the element names for this box's xml definition */ private static String[] elementNames = {"Brand", "MinorVersion", "CompatibilityList"}; /** This method will be called by the getNativeNodeForSimpleBox of the * class Box to get the element names. */ public static String[] getElementNames() { return elementNames; } /** The element values. */ private int brand; private int minorVersion; private int[] compatibility; /** Constructs a <code>FileTypeBox</code> from the provided brand, minor * version and compatibility list. */ public FileTypeBox(int br, int minorVersion, int[] comp) { super(16 + (comp == null ? 0 : (comp.length << 2)), 0x66747970, null); this.brand = br; this.minorVersion = minorVersion; this.compatibility = comp; } /** Constructs a <code>FileTypeBox</code> from the provided byte array. */ public FileTypeBox(byte[] data) { super(8 + data.length, 0x66747970, data); } /** Constructs a <code>FileTypeBox</code> from * <code>org.w3c.dom.Node</code>. */ public FileTypeBox(Node node) throws IIOInvalidTreeException { super(node); NodeList children = node.getChildNodes(); for (int i = 0; i < children.getLength(); i++) { Node child = children.item(i); String name = child.getNodeName(); if ("Brand".equals(name)) { brand = Box.getIntElementValue(child); } if ("MinorVersion".equals(name)) { minorVersion = Box.getIntElementValue(child); } if ("CompatibilityList".equals(name)) { compatibility = Box.getIntArrayElementValue(child); } } } /** Returns the brand of this file type box. */ public int getBrand() { return brand; } /** Returns the minor version of this file type box. */ public int getMinorVersion() { return minorVersion; } /** Returns the compatibilty list of this file type box. */ public int[] getCompatibilityList() { return compatibility; } /** Creates an <code>IIOMetadataNode</code> from this file type box. * The format of this node is defined in the XML dtd and xsd * for the JP2 image file. */ public IIOMetadataNode getNativeNode() { return getNativeNodeForSimpleBox(); } protected void parse(byte[] data) { if (data == null) return; brand = ((data[0] & 0xFF) << 24) | ((data[1] & 0xFF) << 16) | ((data[2] & 0xFF) << 8) | (data[3] & 0xFF); minorVersion = ((data[4] & 0xFF) << 24) | ((data[5] & 0xFF) << 16) | ((data[6] & 0xFF) << 8) | (data[7] & 0xFF); int len = (data.length - 8) / 4; if (len > 0) { compatibility = new int[len]; for (int i = 0, j = 8; i < len; i++, j += 4) compatibility[i] = ((data[j] & 0xFF) << 24) | ((data[j+1] & 0xFF) << 16) | ((data[j+2] & 0xFF) << 8) | (data[j+3] & 0xFF); } } protected void compose() { if (data != null) return; data = new byte[8 + (compatibility != null ? (compatibility.length << 2) : 0)]; copyInt(data, 0, brand); copyInt(data, 4, minorVersion); if (compatibility != null) for (int i = 0, j = 8; i < compatibility.length; i++, j += 4) copyInt(data, j, compatibility[i]); } }