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ImageIO plugin for Apple Mac Paint Picture (PICT) format.
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/*
 * 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 "TwelveMonkeys" 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 OWNER 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.pict;

import java.awt.image.BufferedImage;
import java.io.IOException;
import java.io.InputStream;

/**
 * Abstract base class for a stateless image decompressor, for use by {@link QuickTime}.
 *
 * @author Harald Kuhr
 * @author last modified by $Author: haraldk$
 * @version $Id: QTDecompressor.java,v 1.0 Feb 16, 2009 7:21:27 PM haraldk Exp$
 */
abstract class QTDecompressor {
    /**
     * Returns whether this decompressor is capable of decompressing the image
     * data described by the given image description.
     *
     * @param pDescription the image description ({@code 'idsc'} Atom).
     * @return {@code true} if this decompressor is capable of decompressing
     *          he data in the given image description, otherwise {@code false}.
     */
    public abstract boolean canDecompress(QuickTime.ImageDesc pDescription);

    /**
     * Decompresses an image.
     *
     * @param pDescription the image description ({@code 'idsc'} Atom).
     * @param pStream the image data stream
     * @return the decompressed image
     *
     * @throws java.io.IOException if an I/O exception occurs during reading.
     */
    public abstract BufferedImage decompress(QuickTime.ImageDesc pDescription, InputStream pStream) throws IOException;
}