META-INF.modules.java.desktop.classes.sun.java2d.cmm.lcms.LCMS Maven / Gradle / Ivy

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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 * 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).
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package sun.java2d.cmm.lcms;

import java.awt.color.CMMException;
import java.awt.color.ICC_Profile;
import java.util.concurrent.locks.StampedLock;

import sun.java2d.cmm.ColorTransform;
import sun.java2d.cmm.PCMM;
import sun.java2d.cmm.Profile;

final class LCMS implements PCMM {

    /**
     * Prevent changing profiles data during transform creation.
     */
    private static final StampedLock lock = new StampedLock();

    /* methods invoked from ICC_Profile */
    @Override
    public Profile loadProfile(byte[] data) {
        final Object disposerRef = new Object();

        final long ptr = loadProfileNative(data, disposerRef);

        if (ptr != 0L) {
            return new LCMSProfile(ptr, disposerRef);
        }
        return null;
    }

    static LCMSProfile getLcmsProfile(Profile p) {
        if (p instanceof LCMSProfile) {
            return (LCMSProfile)p;
        }
        throw new CMMException("Invalid profile: " + p);
    }

    /**
     * Writes supplied data as a tag into the profile.
     * Destroys old profile, if new one was successfully
     * created.
     *
     * Returns valid pointer to new profile.
     *
     * Throws CMMException if operation fails, preserve old profile from
     * destruction.
     */
    static native void setTagDataNative(long ptr, int tagSignature, byte[] data);
    static native byte[] getProfileDataNative(long ptr);
    static native byte[] getTagNative(long profileID, int signature);
    private static native long loadProfileNative(byte[] data, Object ref);

    @Override
    public byte[] getProfileData(Profile p) {
        return getLcmsProfile(p).getProfileData();
    }

    @Override
    public byte[] getTagData(Profile p, int tagSignature) {
        return getLcmsProfile(p).getTag(tagSignature);
    }

    @Override
    public void setTagData(Profile p, int tagSignature, byte[] data) {
        long stamp = lock.writeLock();
        try {
            getLcmsProfile(p).setTag(tagSignature, data);
        } finally {
            lock.unlockWrite(stamp);
        }
    }

    /* Helper method used from LCMSColorTransfrom */
    static long createTransform(
        LCMSProfile[] profiles, int renderingIntent,
        int inFormatter, boolean isInIntPacked,
        int outFormatter, boolean isOutIntPacked,
        Object disposerRef)
    {
        long[] ptrs = new long[profiles.length];
        long stamp = lock.readLock();
        try {
            for (int i = 0; i < profiles.length; i++) {
                if (profiles[i] == null) {
                    throw new CMMException("Unknown profile ID");
                }
                ptrs[i] = profiles[i].getLcmsPtr();
            }

            return createNativeTransform(ptrs, renderingIntent, inFormatter,
                    isInIntPacked, outFormatter, isOutIntPacked, disposerRef);
        } finally {
            lock.unlockRead(stamp);
        }
    }

    private static native long createNativeTransform(
        long[] profileIDs, int renderingIntent,
        int inFormatter, boolean isInIntPacked,
        int outFormatter, boolean isOutIntPacked,
        Object disposerRef);

    /**
     * Constructs ColorTransform object corresponding to the ICC_profiles.
     */
    public ColorTransform createTransform(int renderingIntent,
                                          ICC_Profile... profiles)
    {
        return new LCMSTransform(renderingIntent, profiles);
    }

    /* methods invoked from LCMSTransform */
    static native void colorConvert(long trans, int width, int height,
                                    int srcOffset, int srcNextRowOffset,
                                    int dstOffset, int dstNextRowOffset,
                                    Object srcData, Object dstData,
                                    int srcType, int dstType);

    private LCMS() {};

    private static LCMS theLcms = null;

    @SuppressWarnings("removal")
    static synchronized PCMM getModule() {
        if (theLcms != null) {
            return theLcms;
        }

        java.security.AccessController.doPrivileged(
                new java.security.PrivilegedAction