/*

 * Copyright (c) 2007, 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.

 *

 * 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.

 */

/**

 * @test

 * @bug 6476665

 * @summary Verifies color conversion of Direct Color Model based images

 * @run main ColConvDCMTest

 */

import java.awt.color.ColorSpace;

import java.awt.image.BufferedImage;

import java.awt.image.ColorConvertOp;

import java.io.File;

import java.io.IOException;

import javax.imageio.ImageIO;

public class ColConvDCMTest extends ColConvTest {

    /*

     * Test case descriptors: <imgType> <rBits> <gBits> <bBits> <csNum> <gldNum>

     */

    final static int [][] imgTypes = {

        {BufferedImage.TYPE_INT_ARGB, 8, 8, 8, 0, 0},

        {BufferedImage.TYPE_INT_ARGB, 8, 8, 8, 1, 3},

        {BufferedImage.TYPE_INT_RGB, 8, 8, 8, 0, 0},

        {BufferedImage.TYPE_INT_RGB, 8, 8, 8, 1, 3},

        {BufferedImage.TYPE_INT_BGR, 8, 8, 8, 0, 0},

        {BufferedImage.TYPE_INT_BGR, 8, 8, 8, 1, 3},

        {BufferedImage.TYPE_USHORT_555_RGB, 5, 5, 5, 0, 1},

        {BufferedImage.TYPE_USHORT_555_RGB, 5, 5, 5, 1, 4},

        {BufferedImage.TYPE_USHORT_565_RGB, 5, 6, 5, 0, 2},

        {BufferedImage.TYPE_USHORT_565_RGB, 5, 6, 5, 1, 5}

    };

    final static int [] cSpaces = {

        ColorSpace.CS_sRGB,

        ColorSpace.CS_LINEAR_RGB,

    };

    final static String [] gldImgNames = {

        "SRGB.png", "SRGB555.png", "SRGB565.png", "LRGB.png", "LRGB555.png",

        "LRGB565.png"

    };

    static BufferedImage [] gldImages = null;

    static boolean testImage(int type, int rBits, int gBits, int bBits,

                              int cs, BufferedImage gldImage,

                              double accuracy)

    {

        BufferedImage src = ImageFactory.createDCMImage(type, cs);

        BufferedImage dst = ImageFactory.createDstImage(

            BufferedImage.TYPE_INT_RGB);

        ColorConvertOp op = new ColorConvertOp(null);

        op.filter(src, dst);

        ImageComparator cmp = new ImageComparator(accuracy, rBits, gBits,

                                                  bBits);

        boolean result = cmp.compare(gldImage, dst);

        if (!result) {

            System.err.println(cmp.getStat());

        }

        return result;

    }

     static boolean testSubImage(int x0, int y0, int dx, int dy, int type,

                                 int rBits, int gBits, int bBits,

                                 int cs, BufferedImage gldImage,

                                 double accuracy)

     {

        BufferedImage src = ImageFactory.createDCMImage(type, cs);

        BufferedImage subSrc = src.getSubimage(x0, y0, dx, dy);

        BufferedImage dst = ImageFactory.createDstImage(

            BufferedImage.TYPE_INT_RGB);

        BufferedImage subDst = dst.getSubimage(x0, y0, dx, dy);

        ColorConvertOp op = new ColorConvertOp(null);

        op.filter(subSrc, subDst);

        ImageComparator cmp = new ImageComparator(accuracy, rBits, gBits,

                                                  bBits);

        boolean result = cmp.compare(subDst, gldImage, x0, y0, dx, dy);

        if (!result) {

            System.err.println(cmp.getStat());

        }

        return result;

     }

     synchronized public static void initGoldenImages() {

        if (gldImages == null) {

            gldImages = new BufferedImage[gldImgNames.length];

            for (int i = 0; i < gldImgNames.length; i++) {

                try {

                    File gldFile = new File(System.getProperty("test.src", "."),

                                            gldImgNames[i]);

                    gldImages[i] = ImageIO.read(gldFile);

                } catch (IOException e) {

                    throw new RuntimeException("Cannot initialize golden " +

                                               "image: " + gldImgNames[i]);

                }

            }

        }

     }

     public void init() {

        initGoldenImages();

     }

     public void runTest() {

        for (int i = 0; i < imgTypes.length; i++) {

            BufferedImage gldImage = gldImages[imgTypes[i][5]];

            if (!testImage(imgTypes[i][0], imgTypes[i][1], imgTypes[i][2],

                           imgTypes[i][3], cSpaces[imgTypes[i][4]], gldImage,

            {

                throw new RuntimeException(

                    "Invalid result of the ColorConvertOp for " +

                    "ColorSpace:" + getCSName(cSpaces[imgTypes[i][4]]) +

                    " Image type:" +

                    getImageTypeName(imgTypes[i][0]) + ". Golden image:" +

                    gldImgNames[imgTypes[i][5]]);

            }

            if (!testSubImage(SI_X, SI_Y, SI_W, SI_H, imgTypes[i][0],

                              imgTypes[i][1], imgTypes[i][2], imgTypes[i][3],

            {

                throw new RuntimeException(

                    "Invalid result of the ColorConvertOp for " +

                     "ColorSpace:" + getCSName(cSpaces[imgTypes[i][4]]) +

                     " Image type:" +

                     getImageTypeName(imgTypes[i][0]) + ". Golden image:" +

                     gldImgNames[imgTypes[i][5]]);

            }

        }

     }

     public static void main(String [] args) throws Exception {

         ColConvDCMTest test = new ColConvDCMTest();

         test.init();

         test.run();

     }

}