1 /*
   2  * Copyright (c) 2006, 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;
  27 
  28 import java.awt.color.ColorSpace;
  29 import java.awt.color.ICC_Profile;
  30 import java.awt.color.CMMException;
  31 import java.awt.image.BufferedImage;
  32 import java.awt.image.Raster;
  33 import java.awt.image.WritableRaster;
  34 import java.security.AccessController;
  35 import java.security.PrivilegedAction;
  36 import sun.security.action.GetPropertyAction;
  37 import java.util.ServiceLoader;
  38 
  39 public class CMSManager {
  40     public static ColorSpace GRAYspace;       // These two fields allow access
  41     public static ColorSpace LINEAR_RGBspace; // to java.awt.color.ColorSpace
  42                                               // private fields from other
  43                                               // packages.  The fields are set
  44                                               // by java.awt.color.ColorSpace
  45                                               // and read by
  46                                               // java.awt.image.ColorModel.
  47 
  48     private static PCMM cmmImpl = null;
  49 
  50     public static synchronized PCMM getModule() {
  51         if (cmmImpl != null) {
  52             return cmmImpl;
  53         }
  54 
  55         CMMServiceProvider spi = AccessController.doPrivileged(
  56                 new PrivilegedAction<CMMServiceProvider>() {
  57                     public CMMServiceProvider run() {
  58                         String cmmClass = System.getProperty(
  59                             "sun.java2d.cmm", "sun.java2d.cmm.lcms.LcmsServiceProvider");
  60 
  61                     ServiceLoader<CMMServiceProvider> cmmLoader
  62                     = ServiceLoader.loadInstalled(CMMServiceProvider.class);
  63 
  64                 CMMServiceProvider spi = null;
  65 
  66                 for (CMMServiceProvider cmm : cmmLoader) {
  67                     spi = cmm;
  68                     if (cmm.getClass().getName().equals(cmmClass)) {
  69                         break;
  70                     }
  71                 }
  72                 return spi;
  73             }
  74         });
  75 
  76         cmmImpl = spi.getColorManagementModule();
  77 
  78         if (cmmImpl == null) {
  79             throw new CMMException("Cannot initialize Color Management System."+
  80                                    "No CM module found");
  81         }
  82 
  83         GetPropertyAction gpa = new GetPropertyAction("sun.java2d.cmm.trace");
  84         String cmmTrace = (String)AccessController.doPrivileged(gpa);
  85         if (cmmTrace != null) {
  86             cmmImpl = new CMMTracer(cmmImpl);
  87         }
  88 
  89         return cmmImpl;
  90     }
  91 
  92     static synchronized boolean canCreateModule() {
  93         return (cmmImpl == null);
  94     }
  95 
  96     /* CMM trace routines */
  97 
  98     public static class CMMTracer implements PCMM {
  99         PCMM tcmm;
 100         String cName ;
 101 
 102         public CMMTracer(PCMM tcmm) {
 103             this.tcmm = tcmm;
 104             cName = tcmm.getClass().getName();
 105         }
 106 
 107         public Profile loadProfile(byte[] data) {
 108             System.err.print(cName + ".loadProfile");
 109             Profile p = tcmm.loadProfile(data);
 110             System.err.printf("(ID=%s)\n", p.toString());
 111             return p;
 112         }
 113 
 114         public void freeProfile(Profile p) {
 115             System.err.printf(cName + ".freeProfile(ID=%s)\n", p.toString());
 116             tcmm.freeProfile(p);
 117         }
 118 
 119         public int getProfileSize(Profile p) {
 120             System.err.print(cName + ".getProfileSize(ID=" + p + ")");
 121             int size = tcmm.getProfileSize(p);
 122             System.err.println("=" + size);
 123             return size;
 124         }
 125 
 126         public void getProfileData(Profile p, byte[] data) {
 127             System.err.print(cName + ".getProfileData(ID=" + p + ") ");
 128             System.err.println("requested " + data.length + " byte(s)");
 129             tcmm.getProfileData(p, data);
 130         }
 131 
 132         public int getTagSize(Profile p, int tagSignature) {
 133             System.err.printf(cName + ".getTagSize(ID=%x, TagSig=%s)",
 134                               p, signatureToString(tagSignature));
 135             int size = tcmm.getTagSize(p, tagSignature);
 136             System.err.println("=" + size);
 137             return size;
 138         }
 139 
 140         public void getTagData(Profile p, int tagSignature,
 141                                byte[] data) {
 142             System.err.printf(cName + ".getTagData(ID=%x, TagSig=%s)",
 143                               p, signatureToString(tagSignature));
 144             System.err.println(" requested " + data.length + " byte(s)");
 145             tcmm.getTagData(p, tagSignature, data);
 146         }
 147 
 148         public void setTagData(Profile p, int tagSignature,
 149                                byte[] data) {
 150             System.err.print(cName + ".setTagData(ID=" + p +
 151                              ", TagSig=" + tagSignature + ")");
 152             System.err.println(" sending " + data.length + " byte(s)");
 153             tcmm.setTagData(p, tagSignature, data);
 154         }
 155 
 156         /* methods for creating ColorTransforms */
 157         public ColorTransform createTransform(ICC_Profile profile,
 158                                               int renderType,
 159                                               int transformType) {
 160             System.err.println(cName + ".createTransform(ICC_Profile,int,int)");
 161             return tcmm.createTransform(profile, renderType, transformType);
 162         }
 163 
 164         public ColorTransform createTransform(ColorTransform[] transforms) {
 165             System.err.println(cName + ".createTransform(ColorTransform[])");
 166             return tcmm.createTransform(transforms);
 167         }
 168 
 169         private static String signatureToString(int sig) {
 170             return String.format("%c%c%c%c",
 171                                  (char)(0xff & (sig >> 24)),
 172                                  (char)(0xff & (sig >> 16)),
 173                                  (char)(0xff & (sig >>  8)),
 174                                  (char)(0xff & (sig      )));
 175         }
 176     }
 177 }