1 /*
   2  * Copyright (c) 2007, 2010, 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 sun.java2d.cmm.lcms;
  27 

  28 import java.awt.color.ICC_Profile;
  29 import java.util.Arrays;
  30 import java.util.HashMap;
  31 import sun.java2d.cmm.ColorTransform;
  32 import sun.java2d.cmm.PCMM;


  33 
  34 public class LCMS implements PCMM {
  35 
  36     /* methods invoked from ICC_Profile */
  37     @Override
  38     public long loadProfile(byte[] data) {
  39         long id = loadProfileNative(data);
  40 
  41         if (id != 0L) {
  42             if (profiles == null) {
  43                 profiles = new HashMap<>();
  44             }
  45             profiles.put(id, new TagCache(id));
  46         }
  47         return id;
  48     }
  49 
  50     private native long loadProfileNative(byte[] data);
  51 
  52     @Override
  53     public void freeProfile(long profileID) {
  54         TagCache c = profiles.remove(profileID);
  55         if (c != null) {
  56             c.clear();
  57         }
  58         if (profiles.isEmpty()) {
  59             profiles = null;
  60         }
  61         freeProfileNative(profileID);
  62     }
  63 
  64     private native void freeProfileNative(long profileID);
  65 
  66     public native synchronized int getProfileSize(long profileID);
  67 
  68     public native synchronized void getProfileData(long profileID, byte[] data);
  69 
  70     @Override
  71     public synchronized int getTagSize(long profileID, int tagSignature) {
  72         TagCache cache = profiles.get(profileID);
  73 
  74         if (cache ==  null) {
  75             cache = new TagCache(profileID);
  76             profiles.put(profileID, cache);
  77         }
  78 
  79         TagData t = cache.getTag(tagSignature);
  80         return t == null ? 0 : t.getSize();
  81     }
  82 
  83     private static native byte[] getTagNative(long profileID, int signature);
  84 
  85     @Override
  86     public synchronized void getTagData(long profileID, int tagSignature,
  87                                                byte[] data)
  88     {
  89         TagCache cache = profiles.get(profileID);
  90 
  91         if (cache ==  null) {
  92             cache = new TagCache(profileID);
  93             profiles.put(profileID, cache);
  94         }
  95 
  96         TagData t = cache.getTag(tagSignature);
  97         if (t != null) {
  98             t.copyDataTo(data);
  99         }
 100     }
 101 
 102     @Override
 103     public synchronized void setTagData(long profileID, int tagSignature, byte[] data) {
 104         TagCache cache = profiles.get(profileID);
 105 
 106         if (cache != null) {
 107             cache.clear();
 108         }
 109         setTagDataNative(profileID, tagSignature, data);
 110     }
 111 
 112     private native synchronized void setTagDataNative(long profileID, int tagSignature,
 113                                                byte[] data);


 114 
 115     public static native long getProfileID(ICC_Profile profile);
 116 
 117     public static native long createNativeTransform(
 118         long[] profileIDs, int renderType,
 119         int inFormatter, boolean isInIntPacked,
 120         int outFormatter, boolean isOutIntPacked,
 121         Object disposerRef);
 122 
 123    /**
 124      * Constructs ColorTransform object corresponding to an ICC_profile
 125      */
 126     public ColorTransform createTransform(ICC_Profile profile,
 127                                                        int renderType,
 128                                                        int transformType)
 129     {
 130         return new LCMSTransform(profile, renderType, renderType);
 131     }
 132 
 133     /**
 134      * Constructs an ColorTransform object from a list of ColorTransform
 135      * objects
 136      */
 137     public synchronized ColorTransform createTransform(
 138         ColorTransform[] transforms)
 139     {
 140         return new LCMSTransform(transforms);
 141     }
 142 
 143     /* methods invoked from LCMSTransform */
 144     public static native void colorConvert(LCMSTransform trans,
 145                                            LCMSImageLayout src,
 146                                            LCMSImageLayout dest);
 147     public static native void freeTransform(long ID);
 148 
 149     public static native void initLCMS(Class Trans, Class IL, Class Pf);
 150 
 151     /* the class initializer which loads the CMM */
 152     static {
 153         java.security.AccessController.doPrivileged(
 154             new java.security.PrivilegedAction() {
 155                 public Object run() {
 156                     /* We need to load awt here because of usage trace and
 157                      * disposer frameworks
 158                      */
 159                     System.loadLibrary("awt");
 160                     System.loadLibrary("lcms");
 161                     return null;
 162                 }
 163             }
 164         );
 165 
 166         initLCMS(LCMSTransform.class, LCMSImageLayout.class, ICC_Profile.class);
 167     }
 168 
 169     private static class TagData {
 170         private int signature;
 171         private byte[] data;
 172 
 173         TagData(int sig, byte[] data) {
 174             this.signature = sig;
 175             this.data = data;
 176         }
 177 
 178         int getSize() {
 179             return data.length;
 180         }
 181 
 182         byte[] getData() {
 183             return Arrays.copyOf(data, data.length);
 184         }
 185 
 186         void copyDataTo(byte[] dst) {
 187             System.arraycopy(data, 0, dst, 0, data.length);
 188         }
 189 
 190         int getSignature() {
 191             return signature;
 192         }
 193     }
 194 
 195     private static class TagCache  {
 196         private long profileID;
 197         private HashMap<Integer, TagData> tags;
 198 
 199         TagCache(long id) {
 200             profileID = id;
 201 
 202             tags = new HashMap<>();
 203         }
 204 
 205         TagData getTag(int sig) {
 206             TagData t = tags.get(sig);
 207             if (t == null) {
 208                 byte[] tagData = getTagNative(profileID, sig);
 209                 if (tagData != null) {
 210                     t = new TagData(sig, tagData);
 211                     tags.put(sig, t);
 212                 }
 213             }
 214             return t;
 215         }
 216 
 217         void clear() {
 218             tags.clear();
 219         }
 220     }
 221 
 222     private static HashMap<Long, TagCache> profiles;
 223 }
--- EOF ---