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.sandbox.image; 031 032import java.io.IOException; 033import java.net.MalformedURLException; 034import java.net.URL; 035 036import org.openimaj.image.DisplayUtilities; 037import org.openimaj.image.FImage; 038import org.openimaj.image.ImageUtilities; 039import org.openimaj.image.MBFImage; 040import org.openimaj.image.colour.ColourSpace; 041 042/** 043 * Simple alpha composite test that overlays some images on top of each other. 044 * This was written to check that some consolidation of the alpha compositing 045 * code hadn't affected other parts. 046 * 047 * @author David Dupplaw (dpd@ecs.soton.ac.uk) 048 * @created 24 Jul 2013 049 */ 050public class AlphaCompositeTest 051{ 052 /** 053 * 054 * @param args 055 * @throws MalformedURLException 056 * @throws IOException 057 */ 058 public static void main( final String[] args ) throws MalformedURLException, IOException 059 { 060 final MBFImage img1 = ImageUtilities.readMBF( new URL("http://www.walkmag.co.uk/wp-content/uploads/2012/05/Wineglass_Bay-landscape.jpg") ); 061 final MBFImage img2 = ImageUtilities.readMBFAlpha( new URL("http://www.openimaj.org/images/OpenImaj.png") ); 062 final MBFImage img3 = ImageUtilities.readMBF( new URL("http://sd.keepcalm-o-matic.co.uk/i/keep-calm-and-rule-the-world-19.png") ); 063 064 final FImage alpha = img3.clone().threshold( 0.7f ).flatten().inverse(). 065 multiplyInplace( 0.4f ).inverse().addInplace( 0.6f ); 066 img3.addBand( alpha ); 067 img3.colourSpace = ColourSpace.RGBA; 068 img2.colourSpace = ColourSpace.RGBA; 069 070 img1.drawImage( img2, 1400, 50 ); 071 img1.drawImage( img3, 800, 100 ); 072 073 DisplayUtilities.display( img1 ); 074 } 075}