IFFImageReaderTest.java

/*
 * Copyright (c) 2008, Harald Kuhr
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 * * Redistributions of source code must retain the above copyright notice, this
 *   list of conditions and the following disclaimer.
 *
 * * Redistributions in binary form must reproduce the above copyright notice,
 *   this list of conditions and the following disclaimer in the documentation
 *   and/or other materials provided with the distribution.
 *
 * * Neither the name of the copyright holder nor the names of its
 *   contributors may be used to endorse or promote products derived from
 *   this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

package com.twelvemonkeys.imageio.plugins.iff;

import com.twelvemonkeys.imageio.util.ImageReaderAbstractTest;

import javax.imageio.ImageIO;
import javax.imageio.spi.ImageReaderSpi;
import java.awt.*;
import java.awt.image.BufferedImage;
import java.awt.image.ColorModel;
import java.awt.image.IndexColorModel;
import java.io.IOException;
import java.util.Arrays;
import java.util.Collections;
import java.util.List;

import org.junit.jupiter.api.Test;
import static org.junit.jupiter.api.Assertions.*;
/**
 * IFFImageReaderTestCase
 *
 * @author <a href="mailto:harald.kuhr@gmail.com">Harald Kuhr</a>
 * @author last modified by $Author: haraldk$
 * @version $Id: IFFImageReaderTestCase.java,v 1.0 Apr 1, 2008 10:39:17 PM haraldk Exp$
 */
public class IFFImageReaderTest extends ImageReaderAbstractTest<IFFImageReader> {
    @Override
    protected ImageReaderSpi createProvider() {
        return new IFFImageReaderSpi();
    }

    @Override
    protected List<TestData> getTestData() {
        return Arrays.asList(
                // 32 bit - Ok
                new TestData(getClassLoaderResource("/iff/test.iff"), new Dimension(300, 200)),
                // 24 bit - Ok
                new TestData(getClassLoaderResource("/iff/survivor.iff"), new Dimension(800, 600)),
                // HAM6 - Ok (a lot of visual "fringe", would be interesting to see on a real HAM display)
                new TestData(getClassLoaderResource("/iff/A4000T_HAM6.IFF"), new Dimension(320, 512)),
                // HAM8 - Ok
                new TestData(getClassLoaderResource("/iff/A4000T_HAM8.IFF"), new Dimension(628, 512)),
                // 2 color indexed - Ok
                new TestData(getClassLoaderResource("/iff/owl.iff"), new Dimension(160, 174)),
                // 8 color indexed - Ok
                new TestData(getClassLoaderResource("/iff/AmigaAmiga.iff"), new Dimension(200, 150)),
                // 16 color indexed - Ok
                new TestData(getClassLoaderResource("/iff/Lion.iff"), new Dimension(704, 480)),
                // 32 color indexed - Ok
                new TestData(getClassLoaderResource("/iff/GoldPorsche.iff"), new Dimension(320, 200)),
                // 64 color indexed EHB - Ok
                new TestData(getClassLoaderResource("/iff/Bryce.iff"), new Dimension(320, 200)),
                // 256 color indexed - Ok
                new TestData(getClassLoaderResource("/iff/IKKEGOD.iff"), new Dimension(640, 256)),
                // PBM, indexed - Ok
                new TestData(getClassLoaderResource("/iff/ASH.PBM"), new Dimension(320, 240)),
                // 16 color indexed, multi palette (PCHG) - Ok
                new TestData(getClassLoaderResource("/iff/Manhattan.PCHG"), new Dimension(704, 440)),
                // 16 color indexed, multi palette (PCHG + SHAM) - Ok
                new TestData(getClassLoaderResource("/iff/Somnambulist-2.SHAM"), new Dimension(704, 440)),
                // Impulse RGB8 format straight from Imagine 2.0
                new TestData(getClassLoaderResource("/iff/glowsphere2.rgb8"), new Dimension(640, 480)),
                // Impulse RGB8 format written by ASDG ADPro, with cross boundary runs, which is probably not as per spec...
                new TestData(getClassLoaderResource("/iff/tunnel04-adpro-cross-boundary-runs.rgb8"), new Dimension(640, 480)),
                // TVPaint (TecSoft) DEEP format
                new TestData(getClassLoaderResource("/iff/arch.deep"), new Dimension(800, 600)),
                // TVPaint Project (TVPP is effectively same as the DEEP format, but multiple layers, background color etc.)
                // TODO: This file contains one more image/layer, second DBOD chunk @1868908, len: 1199144!
                new TestData(getClassLoaderResource("/iff/warm-and-bright.pro"), new Dimension(800, 600))
        );
    }

    @Override
    protected List<String> getFormatNames() {
        return Collections.singletonList("iff");
    }

    @Override
    protected List<String> getSuffixes() {
        return Arrays.asList("iff", "ilbm", "ham", "ham8", "lbm", "rgb8", "deep");
    }

    @Override
    protected List<String> getMIMETypes() {
        return Arrays.asList("image/iff", "image/x-iff");
    }

    // Regression tests

    @Test
    public void testEHBColors() throws IOException {
        IFFImageReader reader = createReader();
        reader.setInput(ImageIO.createImageInputStream(getClassLoaderResource("/iff/Bryce.iff")));

        BufferedImage image = reader.read(0);
        assertEquals(BufferedImage.TYPE_BYTE_INDEXED, image.getType());

        ColorModel colorModel = image.getColorModel();
        assertNotNull(colorModel);
        assertTrue(colorModel instanceof IndexColorModel);

        IndexColorModel indexColorModel = (IndexColorModel) colorModel;

        assertEquals(64, indexColorModel.getMapSize());

        byte[] reds = new byte[indexColorModel.getMapSize()];
        indexColorModel.getReds(reds);
        byte[] blues = new byte[indexColorModel.getMapSize()];
        indexColorModel.getBlues(blues);
        byte[] greens = new byte[indexColorModel.getMapSize()];
        indexColorModel.getGreens(greens);

        for (int i = 0; i < 32; i++) {
            // Make sure the color model is really EHB
            try {
                assertEquals((reds[i] & 0xff) / 2, reds[i + 32] & 0xff, "red");
                assertEquals((blues[i] & 0xff) / 2, blues[i + 32] & 0xff, "blue");
                assertEquals((greens[i] & 0xff) / 2, greens[i + 32] & 0xff, "green");
            }
            catch (AssertionError err) {
                throw new AssertionError("Color " + i + " " + err.getMessage(), err);
            }
        }
    }
}