001/*
002 * $RCSfile: WBMPMetadata.java,v $
003 *
004 * 
005 * Copyright (c) 2005 Sun Microsystems, Inc. All  Rights Reserved.
006 * 
007 * Redistribution and use in source and binary forms, with or without
008 * modification, are permitted provided that the following conditions
009 * are met: 
010 * 
011 * - Redistribution of source code must retain the above copyright 
012 *   notice, this  list of conditions and the following disclaimer.
013 * 
014 * - Redistribution in binary form must reproduce the above copyright
015 *   notice, this list of conditions and the following disclaimer in 
016 *   the documentation and/or other materials provided with the
017 *   distribution.
018 * 
019 * Neither the name of Sun Microsystems, Inc. or the names of 
020 * contributors may be used to endorse or promote products derived 
021 * from this software without specific prior written permission.
022 * 
023 * This software is provided "AS IS," without a warranty of any 
024 * kind. ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND 
025 * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, 
026 * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY
027 * EXCLUDED. SUN MIDROSYSTEMS, INC. ("SUN") AND ITS LICENSORS SHALL 
028 * NOT BE LIABLE FOR ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF 
029 * USING, MODIFYING OR DISTRIBUTING THIS SOFTWARE OR ITS
030 * DERIVATIVES. IN NO EVENT WILL SUN OR ITS LICENSORS BE LIABLE FOR 
031 * ANY LOST REVENUE, PROFIT OR DATA, OR FOR DIRECT, INDIRECT, SPECIAL,
032 * CONSEQUENTIAL, INCIDENTAL OR PUNITIVE DAMAGES, HOWEVER CAUSED AND
033 * REGARDLESS OF THE THEORY OF LIABILITY, ARISING OUT OF THE USE OF OR
034 * INABILITY TO USE THIS SOFTWARE, EVEN IF SUN HAS BEEN ADVISED OF THE
035 * POSSIBILITY OF SUCH DAMAGES. 
036 * 
037 * You acknowledge that this software is not designed or intended for 
038 * use in the design, construction, operation or maintenance of any 
039 * nuclear facility. 
040 *
041 * $Revision: 1.2 $
042 * $Date: 2006/03/21 00:27:22 $
043 * $State: Exp $
044 */
045
046package com.github.jaiimageio.impl.plugins.wbmp;
047
048import java.io.UnsupportedEncodingException;
049import java.util.ArrayList;
050import java.util.Iterator;
051import java.util.List;
052
053import javax.imageio.ImageTypeSpecifier;
054import javax.imageio.metadata.IIOMetadata;
055import javax.imageio.metadata.IIOMetadataNode;
056import javax.imageio.metadata.IIOMetadataFormat;
057import javax.imageio.metadata.IIOMetadataFormatImpl;
058
059import org.w3c.dom.Node;
060
061import com.github.jaiimageio.impl.common.ImageUtil;
062
063public class WBMPMetadata extends IIOMetadata {
064
065    public static final String nativeMetadataFormatName =
066        "com_sun_media_imageio_plugins_wbmp_image_1.0";
067
068    public int wbmpType;
069    
070    public int width;
071    public int height;
072
073    public WBMPMetadata() {
074        super(true,
075              nativeMetadataFormatName,
076              "com.github.jaiimageio.impl.plugins.wbmp.WBMPMetadataFormat",
077              null, null);
078    }
079
080    public boolean isReadOnly() {
081        return true;
082    }
083    
084    public Node getAsTree(String formatName) {
085        if (formatName.equals(nativeMetadataFormatName)) {
086            return getNativeTree();
087        } else if (formatName.equals
088                   (IIOMetadataFormatImpl.standardMetadataFormatName)) {
089            return getStandardTree();
090        } else {
091            throw new IllegalArgumentException(I18N.getString("WBMPMetadata0"));
092        }
093    }
094
095    private Node getNativeTree() {
096        IIOMetadataNode root =
097            new IIOMetadataNode(nativeMetadataFormatName);
098
099        addChildNode(root, "WBMPType", new Integer(wbmpType));
100        addChildNode(root, "Width", new Integer(width));
101        addChildNode(root, "Height", new Integer(height));
102        
103        return root;
104    }
105
106    public void setFromTree(String formatName, Node root) {
107        throw new IllegalStateException(I18N.getString("WBMPMetadata1"));
108    }
109
110    public void mergeTree(String formatName, Node root) {
111        throw new IllegalStateException(I18N.getString("WBMPMetadata1"));
112    }
113
114    public void reset() {
115        throw new IllegalStateException(I18N.getString("WBMPMetadata1"));
116    }
117
118    private IIOMetadataNode addChildNode(IIOMetadataNode root,
119                                         String name,
120                                         Object object) {
121        IIOMetadataNode child = new IIOMetadataNode(name);
122        if (object != null) {
123            child.setUserObject(object);
124            child.setNodeValue(ImageUtil.convertObjectToString(object));
125        }
126        root.appendChild(child);
127        return child;
128    }
129    
130    
131    protected IIOMetadataNode getStandardChromaNode() {
132
133        IIOMetadataNode node = new IIOMetadataNode("Chroma");
134
135        IIOMetadataNode subNode = new IIOMetadataNode("ColorSpaceType");
136        subNode.setAttribute("name", "GRAY");
137        node.appendChild(subNode);
138
139        subNode = new IIOMetadataNode("NumChannels");
140        subNode.setAttribute("value", "1");
141        node.appendChild(subNode);
142
143        subNode = new IIOMetadataNode("BlackIsZero");
144        subNode.setAttribute("value", "TRUE");
145        node.appendChild(subNode);
146
147        return node;
148    }
149
150    
151    protected IIOMetadataNode getStandardDataNode() {
152        IIOMetadataNode node = new IIOMetadataNode("Data");
153
154        IIOMetadataNode subNode = new IIOMetadataNode("SampleFormat");
155        subNode.setAttribute("value", "UnsignedIntegral");
156        node.appendChild(subNode);
157
158        subNode = new IIOMetadataNode("BitsPerSample");
159        subNode.setAttribute("value", "1");
160        node.appendChild(subNode);
161
162        return node;
163    }
164
165    protected IIOMetadataNode getStandardDimensionNode() {
166        IIOMetadataNode dimension_node = new IIOMetadataNode("Dimension");
167        IIOMetadataNode node = null; // scratch node
168
169        // PixelAspectRatio not in image
170
171        node = new IIOMetadataNode("ImageOrientation");
172        node.setAttribute("value", "Normal");
173        dimension_node.appendChild(node);
174
175        return dimension_node;
176    }
177
178}