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.tools.clusterquantiser;
031
032import java.util.Iterator;
033
034import org.openimaj.feature.local.list.LocalFeatureList;
035import org.openimaj.image.feature.local.keypoints.Keypoint;
036
037/**
038 * An iterator over keypoints
039 * 
040 * @author Jonathon Hare (jsh2@ecs.soton.ac.uk)
041 */
042public class KeypointListArrayIterator implements Iterator<FeatureFileFeature>{
043
044        protected Iterator<? extends Keypoint> kpli;
045
046        /**
047         * Construct with list of keypoints
048         * @param kpl
049         */
050        public KeypointListArrayIterator(LocalFeatureList<? extends Keypoint> kpl) {
051                this.kpli = kpl.iterator();
052        }
053
054        @Override
055        public boolean hasNext() {
056                // TODO Auto-generated method stub
057                return kpli.hasNext();
058        }
059
060        @Override
061        public FeatureFileFeature next() {
062                // TODO Auto-generated method stub
063                FeatureFileFeature f = new FeatureFileFeature ();
064                Keypoint kp = kpli.next();
065                f.data = kp.ivec;
066                f.location = String.format("%4.2f %4.2f %4.2f %4.3f",kp.y, kp.x, kp.scale, kp.ori);
067                return f;
068        }
069
070        @Override
071        public void remove() {
072                kpli.remove();
073        }
074}