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}