001/**
002 * Copyright (c) 2011, The University of Southampton and the individual contributors.
003 * All rights reserved.
004 *
005 * Redistribution and use in source and binary forms, with or without modification,
006 * are permitted provided that the following conditions are met:
007 *
008 *   *  Redistributions of source code must retain the above copyright notice,
009 *      this list of conditions and the following disclaimer.
010 *
011 *   *  Redistributions in binary form must reproduce the above copyright notice,
012 *      this list of conditions and the following disclaimer in the documentation
013 *      and/or other materials provided with the distribution.
014 *
015 *   *  Neither the name of the University of Southampton nor the names of its
016 *      contributors may be used to endorse or promote products derived from this
017 *      software without specific prior written permission.
018 *
019 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
020 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
021 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
022 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
023 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
024 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
025 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
026 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
027 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
028 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
029 */
030package org.openimaj.content.slideshow;
031
032import java.awt.Component;
033import java.awt.Dimension;
034import java.awt.image.BufferedImage;
035import java.io.IOException;
036import java.net.URL;
037
038import org.openimaj.image.DisplayUtilities.ScalingImageComponent;
039import org.openimaj.image.ImageUtilities;
040import org.openimaj.image.MBFImage;
041
042/**
043 * A slide that displays a picture, scaled to the size of the slide.
044 *
045 * @author Jonathon Hare (jsh2@ecs.soton.ac.uk)
046 *
047 */
048public class PictureSlide implements Slide {
049        protected URL url;
050        protected ScalingImageComponent ic;
051        protected MBFImage mbfImage;
052
053        /**
054         * Create a picture slide
055         *
056         * @param picture
057         *            the url of the picture
058         * @throws IOException
059         */
060        public PictureSlide(URL picture) throws IOException {
061                this.url = picture;
062                this.mbfImage = ImageUtilities.readMBF(this.url);
063        }
064
065        /**
066         * Create a picture slide
067         *
068         * @param mbfImage
069         *            the picture
070         */
071        public PictureSlide(MBFImage mbfImage) {
072                this.mbfImage = mbfImage;
073        }
074
075        @Override
076        public Component getComponent(int width, int height) throws IOException {
077                final BufferedImage image = ImageUtilities.createBufferedImageForDisplay(mbfImage, null);
078
079                ic = new ScalingImageComponent(true);
080                ic.setImage(image);
081                ic.setSize(width, height);
082                ic.setPreferredSize(new Dimension(width, height));
083                ic.setShowPixelColours(false);
084                ic.setShowXYPosition(false);
085                ic.removeMouseListener(ic);
086                ic.removeMouseMotionListener(ic);
087
088                return ic;
089        }
090
091        @Override
092        public void close() {
093                ic = null;
094        }
095}