/*

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

 * This code is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License version 2 only, as

 * published by the Free Software Foundation.  Oracle designates this

 * particular file as subject to the "Classpath" exception as provided

 * by Oracle in the LICENSE file that accompanied this code.

 *

 * This code is distributed in the hope that it will be useful, but WITHOUT

 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

 * or visit www.oracle.com if you need additional information or have any

 * questions.

 */

package sun.java2d.cmm;

import java.awt.color.ColorSpace;

import java.awt.color.ICC_Profile;

import java.awt.color.CMMException;

import java.awt.image.BufferedImage;

import java.awt.image.Raster;

import java.awt.image.WritableRaster;

import java.security.AccessController;

import java.security.PrivilegedAction;

import sun.security.action.GetPropertyAction;

import java.util.ServiceLoader;

public class CMSManager {

    public static ColorSpace GRAYspace;       // These two fields allow access

    public static ColorSpace LINEAR_RGBspace; // to java.awt.color.ColorSpace

                                              // private fields from other

                                              // packages.  The fields are set

                                              // by java.awt.color.ColorSpace

                                              // and read by

                                              // java.awt.image.ColorModel.

    private static PCMM cmmImpl = null;

    public static synchronized PCMM getModule() {

        if (cmmImpl != null) {

            return cmmImpl;

        }

        cmmImpl = (PCMM)AccessController.doPrivileged(new PrivilegedAction() {

            public Object run() {

                String cmmClass = System.getProperty(

                    "sun.java2d.cmm", "sun.java2d.cmm.kcms.CMM");

                ServiceLoader<PCMM> cmmLoader

                    = ServiceLoader.loadInstalled(PCMM.class);

                PCMM service = null;

                for (PCMM cmm : cmmLoader) {

                    service = cmm;

                    if (cmm.getClass().getName().equals(cmmClass)) {

                        break;

                    }

                }

                return service;

            }

        });

        if (cmmImpl == null) {

            throw new CMMException("Cannot initialize Color Management System."+

                                   "No CM module found");

        }

        GetPropertyAction gpa = new GetPropertyAction("sun.java2d.cmm.trace");

        String cmmTrace = (String)AccessController.doPrivileged(gpa);

        if (cmmTrace != null) {

            cmmImpl = new CMMTracer(cmmImpl);

        }

        return cmmImpl;

    }

    /* CMM trace routines */

    public static class CMMTracer implements PCMM {

        PCMM tcmm;

        String cName ;

        public CMMTracer(PCMM tcmm) {

            this.tcmm = tcmm;

            cName = tcmm.getClass().getName();

        }

        public long loadProfile(byte[] data) {

            System.err.print(cName + ".loadProfile");

            long profileID = tcmm.loadProfile(data);

            System.err.printf("(ID=%x)\n", profileID);

            return profileID;

        }

        public void freeProfile(long profileID) {

            System.err.printf(cName + ".freeProfile(ID=%x)\n", profileID);

            tcmm.freeProfile(profileID);

        }

        public int getProfileSize(long profileID) {

            System.err.print(cName + ".getProfileSize(ID=" + profileID + ")");

            int size = tcmm.getProfileSize(profileID);

            System.err.println("=" + size);

            return size;

        }

        public void getProfileData(long profileID, byte[] data) {

            System.err.print(cName + ".getProfileData(ID=" + profileID + ") ");

            System.err.println("requested " + data.length + " byte(s)");

            tcmm.getProfileData(profileID, data);

        }

        public int getTagSize(long profileID, int tagSignature) {

            System.err.printf(cName + ".getTagSize(ID=%x, TagSig=%s)",

                              profileID, signatureToString(tagSignature));

            int size = tcmm.getTagSize(profileID, tagSignature);

            System.err.println("=" + size);

            return size;

        }

        public void getTagData(long profileID, int tagSignature,

                               byte[] data) {

            System.err.printf(cName + ".getTagData(ID=%x, TagSig=%s)",

                              profileID, signatureToString(tagSignature));

            System.err.println(" requested " + data.length + " byte(s)");

            tcmm.getTagData(profileID, tagSignature, data);

        }

        public void setTagData(long profileID, int tagSignature,

                               byte[] data) {

            System.err.print(cName + ".setTagData(ID=" + profileID +

                             ", TagSig=" + tagSignature + ")");

            System.err.println(" sending " + data.length + " byte(s)");

            tcmm.setTagData(profileID, tagSignature, data);

        }

        /* methods for creating ColorTransforms */

        public ColorTransform createTransform(ICC_Profile profile,

                                              int renderType,

                                              int transformType) {

            System.err.println(cName + ".createTransform(ICC_Profile,int,int)");

            return tcmm.createTransform(profile, renderType, transformType);

        }

        public ColorTransform createTransform(ColorTransform[] transforms) {

            System.err.println(cName + ".createTransform(ColorTransform[])");

            return tcmm.createTransform(transforms);

        }

        private static String signatureToString(int sig) {

            return String.format("%c%c%c%c",

                                 (char)(0xff & (sig >> 24)),

                                 (char)(0xff & (sig >> 16)),

                                 (char)(0xff & (sig >>  8)),

                                 (char)(0xff & (sig      )));

        }

    }

}