rev 9343 : 8033716: Fix raw and unchecked lint warnings in com.sun.imageio
Reviewed-by: darcy, prr, bae

   1 /*
   2  * Copyright (c) 2003, 2004, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 
  26 package com.sun.imageio.plugins.bmp;
  27 
  28 import java.io.UnsupportedEncodingException;
  29 import java.util.ArrayList;
  30 import java.util.Iterator;
  31 import java.util.List;
  32 import javax.imageio.ImageTypeSpecifier;
  33 import javax.imageio.metadata.IIOMetadata;
  34 import javax.imageio.metadata.IIOMetadataNode;
  35 import javax.imageio.metadata.IIOMetadataFormat;
  36 import javax.imageio.metadata.IIOMetadataFormatImpl;
  37 import org.w3c.dom.Node;
  38 import com.sun.imageio.plugins.common.I18N;
  39 
  40 import com.sun.imageio.plugins.common.ImageUtil;
  41 
  42 public class BMPMetadata extends IIOMetadata implements BMPConstants {
  43     public static final String nativeMetadataFormatName =
  44         "javax_imageio_bmp_1.0";
  45 
  46     // Fields for Image Descriptor
  47     public String bmpVersion;
  48     public int width ;
  49     public int height;
  50     public short bitsPerPixel;
  51     public int compression;
  52     public int imageSize;
  53 
  54     // Fields for PixelsPerMeter
  55     public int xPixelsPerMeter;
  56     public int yPixelsPerMeter;
  57 
  58     public int colorsUsed;
  59     public int colorsImportant;
  60 
  61     // Fields for BI_BITFIELDS compression(Mask)
  62     public int redMask;
  63     public int greenMask;
  64     public int blueMask;
  65     public int alphaMask;
  66 
  67     public int colorSpace;
  68 
  69     // Fields for CIE XYZ for the LCS_CALIBRATED_RGB color space
  70     public double redX;
  71     public double redY;
  72     public double redZ;
  73     public double greenX;
  74     public double greenY;
  75     public double greenZ;
  76     public double blueX;
  77     public double blueY;
  78     public double blueZ;
  79 
  80     // Fields for Gamma values for the LCS_CALIBRATED_RGB color space
  81     public int gammaRed;
  82     public int gammaGreen;
  83     public int gammaBlue;
  84 
  85     public int intent;
  86 
  87     // Fields for the Palette and Entries
  88     public byte[] palette = null;
  89     public int paletteSize;
  90     public int red;
  91     public int green;
  92     public int blue;
  93 
  94     // Fields from CommentExtension
  95     // List of byte[]
  96     public List comments = null; // new ArrayList();
  97 
  98     public BMPMetadata() {
  99         super(true,
 100               nativeMetadataFormatName,
 101               "com.sun.imageio.plugins.bmp.BMPMetadataFormat",
 102               null, null);
 103     }
 104 
 105     public boolean isReadOnly() {
 106         return true;
 107     }
 108 
 109     public Node getAsTree(String formatName) {
 110         if (formatName.equals(nativeMetadataFormatName)) {
 111             return getNativeTree();
 112         } else if (formatName.equals
 113                    (IIOMetadataFormatImpl.standardMetadataFormatName)) {
 114             return getStandardTree();
 115         } else {
 116             throw new IllegalArgumentException(I18N.getString("BMPMetadata0"));
 117         }
 118     }
 119 
 120     private String toISO8859(byte[] data) {
 121         try {
 122             return new String(data, "ISO-8859-1");
 123         } catch (UnsupportedEncodingException e) {
 124             return "";
 125         }
 126     }
 127 
 128     private Node getNativeTree() {
 129         IIOMetadataNode root =
 130             new IIOMetadataNode(nativeMetadataFormatName);
 131 
 132         addChildNode(root, "BMPVersion", bmpVersion);
 133         addChildNode(root, "Width", new Integer(width));
 134         addChildNode(root, "Height", new Integer(height));
 135         addChildNode(root, "BitsPerPixel", new Short(bitsPerPixel));
 136         addChildNode(root, "Compression", new Integer(compression));
 137         addChildNode(root, "ImageSize", new Integer(imageSize));
 138 
 139         IIOMetadataNode node = addChildNode(root, "PixelsPerMeter", null);
 140         addChildNode(node, "X", new Integer(xPixelsPerMeter));
 141         addChildNode(node, "Y", new Integer(yPixelsPerMeter));
 142 
 143         addChildNode(root, "ColorsUsed", new Integer(colorsUsed));
 144         addChildNode(root, "ColorsImportant", new Integer(colorsImportant));
 145 
 146         int version = 0;
 147         for (int i = 0; i < bmpVersion.length(); i++)
 148             if (Character.isDigit(bmpVersion.charAt(i)))
 149                 version = bmpVersion.charAt(i) -'0';
 150 
 151         if (version >= 4) {
 152             node = addChildNode(root, "Mask", null);
 153             addChildNode(node, "Red", new Integer(redMask));
 154             addChildNode(node, "Green", new Integer(greenMask));
 155             addChildNode(node, "Blue", new Integer(blueMask));
 156             addChildNode(node, "Alpha", new Integer(alphaMask));
 157 
 158             addChildNode(root, "ColorSpaceType", new Integer(colorSpace));
 159 
 160             node = addChildNode(root, "CIEXYZEndPoints", null);
 161             addXYZPoints(node, "Red", redX, redY, redZ);
 162             addXYZPoints(node, "Green", greenX, greenY, greenZ);
 163             addXYZPoints(node, "Blue", blueX, blueY, blueZ);
 164 
 165             node = addChildNode(root, "Intent", new Integer(intent));
 166         }
 167 
 168         // Palette
 169         if ((palette != null) && (paletteSize > 0)) {
 170             node = addChildNode(root, "Palette", null);
 171             int numComps = palette.length / paletteSize;
 172 
 173             for (int i = 0, j = 0; i < paletteSize; i++) {
 174                 IIOMetadataNode entry =
 175                     addChildNode(node, "PaletteEntry", null);
 176                 red = palette[j++] & 0xff;
 177                 green = palette[j++] & 0xff;
 178                 blue = palette[j++] & 0xff;
 179                 addChildNode(entry, "Red", new Byte((byte)red));
 180                 addChildNode(entry, "Green", new Byte((byte)green));
 181                 addChildNode(entry, "Blue", new Byte((byte)blue));
 182                 if (numComps == 4)
 183                     addChildNode(entry, "Alpha",
 184                                  new Byte((byte)(palette[j++] & 0xff)));
 185             }
 186         }
 187 
 188         return root;
 189     }
 190 
 191     // Standard tree node methods
 192     protected IIOMetadataNode getStandardChromaNode() {
 193 
 194         if ((palette != null) && (paletteSize > 0)) {
 195             IIOMetadataNode node = new IIOMetadataNode("Chroma");
 196             IIOMetadataNode subNode = new IIOMetadataNode("Palette");
 197             int numComps = palette.length / paletteSize;
 198             subNode.setAttribute("value", "" + numComps);
 199 
 200             for (int i = 0, j = 0; i < paletteSize; i++) {
 201                 IIOMetadataNode subNode1 = new IIOMetadataNode("PaletteEntry");
 202                 subNode1.setAttribute("index", ""+i);
 203                 subNode1.setAttribute("red", "" + palette[j++]);
 204                 subNode1.setAttribute("green", "" + palette[j++]);
 205                 subNode1.setAttribute("blue", "" + palette[j++]);
 206                 if (numComps == 4 && palette[j] != 0)
 207                     subNode1.setAttribute("alpha", "" + palette[j++]);
 208                 subNode.appendChild(subNode1);
 209             }
 210             node.appendChild(subNode);
 211             return node;
 212         }
 213 
 214         return null;
 215     }
 216 
 217     protected IIOMetadataNode getStandardCompressionNode() {
 218         IIOMetadataNode node = new IIOMetadataNode("Compression");
 219 
 220         // CompressionTypeName
 221         IIOMetadataNode subNode = new IIOMetadataNode("CompressionTypeName");
 222         subNode.setAttribute("value", BMPCompressionTypes.getName(compression));
 223         node.appendChild(subNode);
 224         return node;
 225     }
 226 
 227     protected IIOMetadataNode getStandardDataNode() {
 228         IIOMetadataNode node = new IIOMetadataNode("Data");
 229 
 230         String bits = "";
 231         if (bitsPerPixel == 24)
 232             bits = "8 8 8 ";
 233         else if (bitsPerPixel == 16 || bitsPerPixel == 32) {
 234             bits = "" + countBits(redMask) + " " + countBits(greenMask) +
 235                   countBits(blueMask) + "" + countBits(alphaMask);
 236         }
 237 
 238         IIOMetadataNode subNode = new IIOMetadataNode("BitsPerSample");
 239         subNode.setAttribute("value", bits);
 240         node.appendChild(subNode);
 241 
 242         return node;
 243     }
 244 
 245     protected IIOMetadataNode getStandardDimensionNode() {
 246         if (yPixelsPerMeter > 0.0F && xPixelsPerMeter > 0.0F) {
 247             IIOMetadataNode node = new IIOMetadataNode("Dimension");
 248             float ratio = yPixelsPerMeter / xPixelsPerMeter;
 249             IIOMetadataNode subNode = new IIOMetadataNode("PixelAspectRatio");
 250             subNode.setAttribute("value", "" + ratio);
 251             node.appendChild(subNode);
 252 
 253             subNode = new IIOMetadataNode("HorizontalPhysicalPixelSpacing");
 254             subNode.setAttribute("value", "" + (1 / xPixelsPerMeter * 1000));
 255             node.appendChild(subNode);
 256 
 257             subNode = new IIOMetadataNode("VerticalPhysicalPixelSpacing");
 258             subNode.setAttribute("value", "" + (1 / yPixelsPerMeter * 1000));
 259             node.appendChild(subNode);
 260 
 261             return node;
 262         }
 263         return null;
 264     }
 265 
 266     public void setFromTree(String formatName, Node root) {
 267         throw new IllegalStateException(I18N.getString("BMPMetadata1"));
 268     }
 269 
 270     public void mergeTree(String formatName, Node root) {
 271         throw new IllegalStateException(I18N.getString("BMPMetadata1"));
 272     }
 273 
 274     public void reset() {
 275         throw new IllegalStateException(I18N.getString("BMPMetadata1"));
 276     }
 277 
 278     private String countBits(int num) {
 279         int count = 0;
 280         while(num > 0) {
 281             if ((num & 1) == 1)
 282                 count++;
 283             num >>>= 1;
 284         }
 285 
 286         return count == 0 ? "" : "" + count;
 287     }
 288 
 289     private void addXYZPoints(IIOMetadataNode root, String name, double x, double y, double z) {
 290         IIOMetadataNode node = addChildNode(root, name, null);
 291         addChildNode(node, "X", new Double(x));
 292         addChildNode(node, "Y", new Double(y));
 293         addChildNode(node, "Z", new Double(z));
 294     }
 295 
 296     private IIOMetadataNode addChildNode(IIOMetadataNode root,
 297                                          String name,
 298                                          Object object) {
 299         IIOMetadataNode child = new IIOMetadataNode(name);
 300         if (object != null) {
 301             child.setUserObject(object);
 302             child.setNodeValue(ImageUtil.convertObjectToString(object));
 303         }
 304         root.appendChild(child);
 305         return child;
 306     }
 307 }
--- EOF ---