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.demos.acmmm11.presentation.slides.tutorial; 031 032import java.awt.Dimension; 033import java.awt.GridBagLayout; 034import java.awt.Insets; 035import java.awt.image.BufferedImage; 036 037import javax.swing.BorderFactory; 038import javax.swing.JPanel; 039 040import org.openimaj.image.DisplayUtilities.ScalingImageComponent; 041import org.openimaj.image.ImageUtilities; 042import org.openimaj.image.MBFImage; 043import org.openimaj.video.Video; 044import org.openimaj.video.VideoDisplay; 045import org.openimaj.video.VideoDisplayListener; 046 047/** 048 * Panel for displaying a video as part of a larger slide 049 * 050 * @author Jonathon Hare (jsh2@ecs.soton.ac.uk) 051 * @author Sina Samangooei (ss@ecs.soton.ac.uk) 052 * 053 */ 054public abstract class TutorialPanel extends JPanel implements VideoDisplayListener<MBFImage>{ 055 private static final long serialVersionUID = 2105054613577879944L; 056 057 private MBFImage toDraw; 058 private BufferedImage bimg; 059 private ScalingImageComponent comp; 060 061 /** 062 * Default constructor 063 * 064 * @param name 065 * @param capture 066 * @param width 067 * @param height 068 */ 069 public TutorialPanel(String name, Video<MBFImage> capture, int width, int height) { 070 this.setOpaque( false ); 071 072 this.setBorder( BorderFactory.createTitledBorder( name ) ); 073 074 this.setLayout(new GridBagLayout()); 075 076 this.comp = new ScalingImageComponent(); 077 this.add(comp); 078 079 toDraw = new MBFImage(width,height,3); 080 } 081 082 @Override 083 public void afterUpdate(VideoDisplay<MBFImage> display) { 084 085 } 086 087 @Override 088 public void beforeUpdate(MBFImage frame) { 089 if (this.comp.getWidth() <= 10) { 090 Insets insets = this.getInsets(); 091 int width = this.getWidth() - insets.left - insets.right; 092 int height = (int) (((float)width / (float)frame.getWidth())*frame.getHeight()); 093 094 this.comp.setSize(width, height); 095 this.comp.setPreferredSize(new Dimension(width,height)); 096 this.validate(); 097 } 098 099 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}