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.demos.acmmm11.presentation.slides.tutorial;
31
32 import java.awt.Dimension;
33 import java.awt.GridBagLayout;
34 import java.awt.Insets;
35 import java.awt.image.BufferedImage;
36
37 import javax.swing.BorderFactory;
38 import javax.swing.JPanel;
39
40 import org.openimaj.image.DisplayUtilities.ScalingImageComponent;
41 import org.openimaj.image.ImageUtilities;
42 import org.openimaj.image.MBFImage;
43 import org.openimaj.video.Video;
44 import org.openimaj.video.VideoDisplay;
45 import org.openimaj.video.VideoDisplayListener;
46
47 /**
48 * Panel for displaying a video as part of a larger slide
49 *
50 * @author Jonathon Hare (jsh2@ecs.soton.ac.uk)
51 * @author Sina Samangooei (ss@ecs.soton.ac.uk)
52 *
53 */
54 public abstract class TutorialPanel extends JPanel implements VideoDisplayListener<MBFImage>{
55 private static final long serialVersionUID = 2105054613577879944L;
56
57 private MBFImage toDraw;
58 private BufferedImage bimg;
59 private ScalingImageComponent comp;
60
61 /**
62 * Default constructor
63 *
64 * @param name
65 * @param capture
66 * @param width
67 * @param height
68 */
69 public TutorialPanel(String name, Video<MBFImage> capture, int width, int height) {
70 this.setOpaque( false );
71
72 this.setBorder( BorderFactory.createTitledBorder( name ) );
73
74 this.setLayout(new GridBagLayout());
75
76 this.comp = new ScalingImageComponent();
77 this.add(comp);
78
79 toDraw = new MBFImage(width,height,3);
80 }
81
82 @Override
83 public void afterUpdate(VideoDisplay<MBFImage> display) {
84
85 }
86
87 @Override
88 public void beforeUpdate(MBFImage frame) {
89 if (this.comp.getWidth() <= 10) {
90 Insets insets = this.getInsets();
91 int width = this.getWidth() - insets.left - insets.right;
92 int height = (int) (((float)width / (float)frame.getWidth())*frame.getHeight());
93
94 this.comp.setSize(width, height);
95 this.comp.setPreferredSize(new Dimension(width,height));
96 this.validate();
97 }
98
99 toDraw.internalCopy(frame);
100 doTutorial(toDraw);
101 this.comp.setImage(bimg = ImageUtilities.createBufferedImageForDisplay( toDraw, bimg ));
102 }
103
104 /**
105 * Update the frame
106 * @param toDraw
107 */
108 public abstract void doTutorial(MBFImage toDraw);
109 }