CURImageReader.java

/*
 * Copyright (c) 2009, 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.bmp;

import javax.imageio.spi.ImageReaderSpi;
import java.awt.*;
import java.io.IOException;

/**
 * ImageReader for Microsoft Windows CUR (cursor) format.
 *
 * @author <a href="mailto:harald.kuhr@gmail.com">Harald Kuhr</a>
 * @author last modified by $Author: haraldk$
 * @version $Id: CURImageReader.java,v 1.0 Apr 20, 2009 11:54:28 AM haraldk Exp$
 *
 * @see ICOImageReader
 */
public final class CURImageReader extends DIBImageReader {
    public CURImageReader() {
        super(new CURImageReaderSpi());
    }

    CURImageReader(final ImageReaderSpi provider) {
        super(provider);
    }

    /**
     * Returns the hot spot location for the cursor.
     *
     * @param imageIndex the index of the cursor in the current input.
     * @return the hot spot location for the cursor
     *
     * @throws java.io.IOException if an I/O exception occurs during reading of image meta data
     * @throws IndexOutOfBoundsException if {@code pImageIndex} is less than {@code 0} or greater than/equal to
     *         the number of cursors in the file
     */
    public Point getHotSpot(final int imageIndex) throws IOException {
        DirectoryEntry.CUREntry entry = (DirectoryEntry.CUREntry) getEntry(imageIndex);
        return entry.getHotspot();
    }
}