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1   /**
2    * Copyright (c) 2011, The University of Southampton and the individual contributors.
3    * All rights reserved.
4    *
5    * Redistribution and use in source and binary forms, with or without modification,
6    * are permitted provided that the following conditions are met:
7    *
8    *   * 	Redistributions of source code must retain the above copyright notice,
9    * 	this list of conditions and the following disclaimer.
10   *
11   *   *	Redistributions in binary form must reproduce the above copyright notice,
12   * 	this list of conditions and the following disclaimer in the documentation
13   * 	and/or other materials provided with the distribution.
14   *
15   *   *	Neither the name of the University of Southampton nor the names of its
16   * 	contributors may be used to endorse or promote products derived from this
17   * 	software without specific prior written permission.
18   *
19   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
20   * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
21   * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
22   * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
23   * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
24   * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
25   * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
26   * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27   * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
28   * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29   */
30  package org.openimaj.content.slideshow;
31  
32  import java.awt.Component;
33  import java.awt.Dimension;
34  import java.awt.image.BufferedImage;
35  import java.io.IOException;
36  import java.net.URL;
37  
38  import org.openimaj.image.DisplayUtilities.ScalingImageComponent;
39  import org.openimaj.image.ImageUtilities;
40  import org.openimaj.image.MBFImage;
41  
42  /**
43   * A slide that displays a picture, scaled to the size of the slide.
44   *
45   * @author Jonathon Hare (jsh2@ecs.soton.ac.uk)
46   *
47   */
48  public class PictureSlide implements Slide {
49  	protected URL url;
50  	protected ScalingImageComponent ic;
51  	protected MBFImage mbfImage;
52  
53  	/**
54  	 * Create a picture slide
55  	 *
56  	 * @param picture
57  	 *            the url of the picture
58  	 * @throws IOException
59  	 */
60  	public PictureSlide(URL picture) throws IOException {
61  		this.url = picture;
62  		this.mbfImage = ImageUtilities.readMBF(this.url);
63  	}
64  
65  	/**
66  	 * Create a picture slide
67  	 *
68  	 * @param mbfImage
69  	 *            the picture
70  	 */
71  	public PictureSlide(MBFImage mbfImage) {
72  		this.mbfImage = mbfImage;
73  	}
74  
75  	@Override
76  	public Component getComponent(int width, int height) throws IOException {
77  		final BufferedImage image = ImageUtilities.createBufferedImageForDisplay(mbfImage, null);
78  
79  		ic = new ScalingImageComponent(true);
80  		ic.setImage(image);
81  		ic.setSize(width, height);
82  		ic.setPreferredSize(new Dimension(width, height));
83  		ic.setShowPixelColours(false);
84  		ic.setShowXYPosition(false);
85  		ic.removeMouseListener(ic);
86  		ic.removeMouseMotionListener(ic);
87  
88  		return ic;
89  	}
90  
91  	@Override
92  	public void close() {
93  		ic = null;
94  	}
95  }