/* * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved. * 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. */ /********************************************************************** ********************************************************************** ********************************************************************** *** COPYRIGHT (c) Eastman Kodak Company, 1997                      *** *** As  an unpublished  work pursuant to Title 17 of the United    *** *** States Code.  All rights reserved.                             *** ********************************************************************** ********************************************************************** **********************************************************************/ package sun.java2d.cmm.lcms; import java.awt.color.ICC_Profile;import java.awt.color.ProfileDataException;import java.awt.color.CMMException;import java.awt.color.ColorSpace;import java.awt.image.BufferedImage;import java.awt.image.Raster;import java.awt.image.WritableRaster;import java.awt.image.ColorModel;import java.awt.image.DirectColorModel;import java.awt.image.ComponentColorModel;import java.awt.image.SampleModel;import java.awt.image.DataBuffer;import java.awt.image.SinglePixelPackedSampleModel;import java.awt.image.ComponentSampleModel;import sun.java2d.cmm.*;import sun.java2d.cmm.lcms.*;  public class LCMSTransform implements ColorTransform {    long ID;    private int inFormatter;    private int outFormatter;     ICC_Profile[] profiles;    long [] profileIDs;    int renderType;    int transformType;     private int numInComponents = -1;    private int numOutComponents = -1;     private Object disposerReferent = new Object();     /* the class initializer */    static {        if (ProfileDeferralMgr.deferring) {            ProfileDeferralMgr.activateProfiles();        }    }     public LCMSTransform(ICC_Profile profile, int renderType,                         int transformType)    {        /* Actually, it is not a complete transform but just part of it */        profiles = new ICC_Profile[1];        profiles[0] = profile;        profileIDs = new long[1];        profileIDs[0] = LCMS.getProfileID(profile);        this.renderType = (renderType == ColorTransform.Any)?                              ICC_Profile.icPerceptual : renderType;        this.transformType = transformType;         /* Note that ICC_Profile.getNumComponents() is quite expensive         * (it may results in a reading of the profile header).         * So, here we cache the number of components of input and         * output profiles for further usage.         */        numInComponents = profiles[0].getNumComponents();        numOutComponents = profiles[profiles.length - 1].getNumComponents();    }     public LCMSTransform (ColorTransform[] transforms) {        int size = 0;        for (int i=0; i < transforms.length; i++) {            size+=((LCMSTransform)transforms[i]).profiles.length;        }        profiles = new ICC_Profile[size];        profileIDs = new long[size];        int j = 0;        for (int i=0; i < transforms.length; i++) {            LCMSTransform curTrans = (LCMSTransform)transforms[i];            System.arraycopy(curTrans.profiles, 0, profiles, j,                             curTrans.profiles.length);            System.arraycopy(curTrans.profileIDs, 0, profileIDs, j,                             curTrans.profileIDs.length);            j += curTrans.profiles.length;        }        renderType = ((LCMSTransform)transforms[0]).renderType;         /* Note that ICC_Profile.getNumComponents() is quite expensive         * (it may results in a reading of the profile header).         * So, here we cache the number of components of input and         * output profiles for further usage.         */        numInComponents = profiles[0].getNumComponents();        numOutComponents = profiles[profiles.length - 1].getNumComponents();    }     public int getNumInComponents() {        return numInComponents;    }     public int getNumOutComponents() {        return numOutComponents;    }     private synchronized void doTransform(LCMSImageLayout in,                                          LCMSImageLayout out) {        // update native transfrom if needed        if (ID == 0L ||            inFormatter != in.pixelType ||            outFormatter != out.pixelType) {             if (ID != 0L) {                // Disposer will destroy forgotten transform                disposerReferent = new Object();            }            inFormatter = in.pixelType;            outFormatter = out.pixelType;             ID = LCMS.createNativeTransform(profileIDs, renderType,                                            inFormatter, outFormatter,                                            disposerReferent);        }         LCMS.colorConvert(this, in, out);    }     public void colorConvert(BufferedImage src, BufferedImage dst) {        if (LCMSImageLayout.isSupported(src) &&            LCMSImageLayout.isSupported(dst))        {            doTransform(new LCMSImageLayout(src), new LCMSImageLayout(dst));            return;        }        LCMSImageLayout srcIL, dstIL;        Raster srcRas = src.getRaster();        WritableRaster dstRas = dst.getRaster();        ColorModel srcCM = src.getColorModel();        ColorModel dstCM = dst.getColorModel();        int w = src.getWidth();        int h = src.getHeight();        int srcNumComp = srcCM.getNumColorComponents();        int dstNumComp = dstCM.getNumColorComponents();        int precision = 8;        float maxNum = 255.0f;        for (int i = 0; i < srcNumComp; i++) {            if (srcCM.getComponentSize(i) > 8) {                 precision = 16;                 maxNum = 65535.0f;             }        }        for (int i = 0; i < dstNumComp; i++) {            if (dstCM.getComponentSize(i) > 8) {                 precision = 16;                 maxNum = 65535.0f;             }        }        float[] srcMinVal = new float[srcNumComp];        float[] srcInvDiffMinMax = new float[srcNumComp];        ColorSpace cs = srcCM.getColorSpace();        for (int i = 0; i < srcNumComp; i++) {            srcMinVal[i] = cs.getMinValue(i);            srcInvDiffMinMax[i] = maxNum / (cs.getMaxValue(i) - srcMinVal[i]);        }        cs = dstCM.getColorSpace();        float[] dstMinVal = new float[dstNumComp];        float[] dstDiffMinMax = new float[dstNumComp];        for (int i = 0; i < dstNumComp; i++) {            dstMinVal[i] = cs.getMinValue(i);            dstDiffMinMax[i] = (cs.getMaxValue(i) - dstMinVal[i]) / maxNum;        }        boolean dstHasAlpha = dstCM.hasAlpha();        boolean needSrcAlpha = srcCM.hasAlpha() && dstHasAlpha;        float[] dstColor;        if (dstHasAlpha) {            dstColor = new float[dstNumComp + 1];        } else {            dstColor = new float[dstNumComp];        }        if (precision == 8) {            byte[] srcLine = new byte[w * srcNumComp];            byte[] dstLine = new byte[w * dstNumComp];            Object pixel;            float[] color;            float[] alpha = null;            if (needSrcAlpha) {                alpha = new float[w];            }            int idx;            // TODO check for src npixels = dst npixels            srcIL = new LCMSImageLayout(                srcLine, srcLine.length/getNumInComponents(),                LCMSImageLayout.CHANNELS_SH(getNumInComponents()) |                LCMSImageLayout.BYTES_SH(1), getNumInComponents());            dstIL = new LCMSImageLayout(                dstLine, dstLine.length/getNumOutComponents(),                LCMSImageLayout.CHANNELS_SH(getNumOutComponents()) |                LCMSImageLayout.BYTES_SH(1), getNumOutComponents());            // process each scanline            for (int y = 0; y < h; y++) {                // convert src scanline                pixel = null;                color = null;                idx = 0;                for (int x = 0; x < w; x++) {                    pixel = srcRas.getDataElements(x, y, pixel);                    color = srcCM.getNormalizedComponents(pixel, color, 0);                    for (int i = 0; i < srcNumComp; i++) {                        srcLine[idx++] = (byte)                            ((color[i] - srcMinVal[i]) * srcInvDiffMinMax[i] +                             0.5f);                    }                    if (needSrcAlpha) {                        alpha[x] = color[srcNumComp];                    }                }                // color convert srcLine to dstLine                doTransform(srcIL, dstIL);                 // convert dst scanline                pixel = null;                idx = 0;                for (int x = 0; x < w; x++) {                    for (int i = 0; i < dstNumComp; i++) {                        dstColor[i] = ((float) (dstLine[idx++] & 0xff)) *                                      dstDiffMinMax[i] + dstMinVal[i];                    }                    if (needSrcAlpha) {                        dstColor[dstNumComp] = alpha[x];                    } else if (dstHasAlpha) {                        dstColor[dstNumComp] = 1.0f;                    }                    pixel = dstCM.getDataElements(dstColor, 0, pixel);                    dstRas.setDataElements(x, y, pixel);                }            }        } else {            short[] srcLine = new short[w * srcNumComp];            short[] dstLine = new short[w * dstNumComp];            Object pixel;            float[] color;            float[] alpha = null;            if (needSrcAlpha) {                alpha = new float[w];            }            int idx;            srcIL = new LCMSImageLayout(                srcLine, srcLine.length/getNumInComponents(),                LCMSImageLayout.CHANNELS_SH(getNumInComponents()) |                LCMSImageLayout.BYTES_SH(2), getNumInComponents()*2);             dstIL = new LCMSImageLayout(                dstLine, dstLine.length/getNumOutComponents(),                LCMSImageLayout.CHANNELS_SH(getNumOutComponents()) |                LCMSImageLayout.BYTES_SH(2), getNumOutComponents()*2);             // process each scanline            for (int y = 0; y < h; y++) {                // convert src scanline                pixel = null;                color = null;                idx = 0;                for (int x = 0; x < w; x++) {                    pixel = srcRas.getDataElements(x, y, pixel);                    color = srcCM.getNormalizedComponents(pixel, color, 0);                    for (int i = 0; i < srcNumComp; i++) {                        srcLine[idx++] = (short)                            ((color[i] - srcMinVal[i]) * srcInvDiffMinMax[i] +                             0.5f);                    }                    if (needSrcAlpha) {                        alpha[x] = color[srcNumComp];                    }                }                // color convert srcLine to dstLine                doTransform(srcIL, dstIL);                 // convert dst scanline                pixel = null;                idx = 0;                for (int x = 0; x < w; x++) {                    for (int i = 0; i < dstNumComp; i++) {                        dstColor[i] = ((float) (dstLine[idx++] & 0xffff)) *                                      dstDiffMinMax[i] + dstMinVal[i];                    }                    if (needSrcAlpha) {                        dstColor[dstNumComp] = alpha[x];                    } else if (dstHasAlpha) {                        dstColor[dstNumComp] = 1.0f;                    }                    pixel = dstCM.getDataElements(dstColor, 0, pixel);                    dstRas.setDataElements(x, y, pixel);                }            }        }    }     public void colorConvert(Raster src, WritableRaster dst,                             float[] srcMinVal, float[]srcMaxVal,                             float[] dstMinVal, float[]dstMaxVal) {        LCMSImageLayout srcIL, dstIL;         // Can't pass src and dst directly to CMM, so process per scanline        SampleModel srcSM = src.getSampleModel();        SampleModel dstSM = dst.getSampleModel();        int srcTransferType = src.getTransferType();        int dstTransferType = dst.getTransferType();        boolean srcIsFloat, dstIsFloat;        if ((srcTransferType == DataBuffer.TYPE_FLOAT) ||            (srcTransferType == DataBuffer.TYPE_DOUBLE)) {            srcIsFloat = true;        } else {            srcIsFloat = false;        }        if ((dstTransferType == DataBuffer.TYPE_FLOAT) ||            (dstTransferType == DataBuffer.TYPE_DOUBLE)) {            dstIsFloat = true;        } else {            dstIsFloat = false;        }        int w = src.getWidth();        int h = src.getHeight();        int srcNumBands = src.getNumBands();        int dstNumBands = dst.getNumBands();        float[] srcScaleFactor = new float[srcNumBands];        float[] dstScaleFactor = new float[dstNumBands];        float[] srcUseMinVal = new float[srcNumBands];        float[] dstUseMinVal = new float[dstNumBands];        for (int i = 0; i < srcNumBands; i++) {            if (srcIsFloat) {                srcScaleFactor[i] =  65535.0f / (srcMaxVal[i] - srcMinVal[i]);                srcUseMinVal[i] = srcMinVal[i];            } else {                if (srcTransferType == DataBuffer.TYPE_SHORT) {                    srcScaleFactor[i] = 65535.0f / 32767.0f;                } else {                    srcScaleFactor[i] = 65535.0f /                        ((float) ((1 << srcSM.getSampleSize(i)) - 1));                }                srcUseMinVal[i] = 0.0f;            }        }        for (int i = 0; i < dstNumBands; i++) {            if (dstIsFloat) {                dstScaleFactor[i] = (dstMaxVal[i] - dstMinVal[i]) / 65535.0f;                dstUseMinVal[i] = dstMinVal[i];            } else {                if (dstTransferType == DataBuffer.TYPE_SHORT) {                    dstScaleFactor[i] = 32767.0f / 65535.0f;                } else {                    dstScaleFactor[i] =                        ((float) ((1 << dstSM.getSampleSize(i)) - 1)) /                        65535.0f;                }                dstUseMinVal[i] = 0.0f;            }        }        int ys = src.getMinY();        int yd = dst.getMinY();        int xs, xd;        float sample;        short[] srcLine = new short[w * srcNumBands];        short[] dstLine = new short[w * dstNumBands];        int idx;        srcIL = new LCMSImageLayout(            srcLine, srcLine.length/getNumInComponents(),            LCMSImageLayout.CHANNELS_SH(getNumInComponents()) |            LCMSImageLayout.BYTES_SH(2), getNumInComponents()*2);         dstIL = new LCMSImageLayout(            dstLine, dstLine.length/getNumOutComponents(),            LCMSImageLayout.CHANNELS_SH(getNumOutComponents()) |            LCMSImageLayout.BYTES_SH(2), getNumOutComponents()*2);         // process each scanline        for (int y = 0; y < h; y++, ys++, yd++) {            // get src scanline            xs = src.getMinX();            idx = 0;            for (int x = 0; x < w; x++, xs++) {                for (int i = 0; i < srcNumBands; i++) {                    sample = src.getSampleFloat(xs, ys, i);                    srcLine[idx++] = (short)                        ((sample - srcUseMinVal[i]) * srcScaleFactor[i] + 0.5f);                }            }             // color convert srcLine to dstLine            doTransform(srcIL, dstIL);             // store dst scanline            xd = dst.getMinX();            idx = 0;            for (int x = 0; x < w; x++, xd++) {                for (int i = 0; i < dstNumBands; i++) {                    sample = ((dstLine[idx++] & 0xffff) * dstScaleFactor[i]) +                             dstUseMinVal[i];                    dst.setSample(xd, yd, i, sample);                }            }        }    }     public void colorConvert(Raster src, WritableRaster dst) {         LCMSImageLayout srcIL, dstIL;        // Can't pass src and dst directly to CMM, so process per scanline        SampleModel srcSM = src.getSampleModel();        SampleModel dstSM = dst.getSampleModel();        int srcTransferType = src.getTransferType();        int dstTransferType = dst.getTransferType();        int w = src.getWidth();        int h = src.getHeight();        int srcNumBands = src.getNumBands();        int dstNumBands = dst.getNumBands();        int precision = 8;        float maxNum = 255.0f;        for (int i = 0; i < srcNumBands; i++) {            if (srcSM.getSampleSize(i) > 8) {                 precision = 16;                 maxNum = 65535.0f;             }        }        for (int i = 0; i < dstNumBands; i++) {            if (dstSM.getSampleSize(i) > 8) {                 precision = 16;                 maxNum = 65535.0f;             }        }        float[] srcScaleFactor = new float[srcNumBands];        float[] dstScaleFactor = new float[dstNumBands];        for (int i = 0; i < srcNumBands; i++) {            if (srcTransferType == DataBuffer.TYPE_SHORT) {                srcScaleFactor[i] = maxNum / 32767.0f;            } else {                srcScaleFactor[i] = maxNum /                    ((float) ((1 << srcSM.getSampleSize(i)) - 1));            }        }        for (int i = 0; i < dstNumBands; i++) {            if (dstTransferType == DataBuffer.TYPE_SHORT) {                dstScaleFactor[i] = 32767.0f / maxNum;            } else {                dstScaleFactor[i] =                    ((float) ((1 << dstSM.getSampleSize(i)) - 1)) / maxNum;            }        }        int ys = src.getMinY();        int yd = dst.getMinY();        int xs, xd;        int sample;        if (precision == 8) {            byte[] srcLine = new byte[w * srcNumBands];            byte[] dstLine = new byte[w * dstNumBands];            int idx;            // TODO check for src npixels = dst npixels            srcIL = new LCMSImageLayout(                srcLine, srcLine.length/getNumInComponents(),                LCMSImageLayout.CHANNELS_SH(getNumInComponents()) |                LCMSImageLayout.BYTES_SH(1), getNumInComponents());            dstIL = new LCMSImageLayout(                dstLine, dstLine.length/getNumOutComponents(),                LCMSImageLayout.CHANNELS_SH(getNumOutComponents()) |                LCMSImageLayout.BYTES_SH(1), getNumOutComponents());             // process each scanline            for (int y = 0; y < h; y++, ys++, yd++) {                // get src scanline                xs = src.getMinX();                idx = 0;                for (int x = 0; x < w; x++, xs++) {                    for (int i = 0; i < srcNumBands; i++) {

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