/*
 * This file is part of the LIRE project: http://www.semanticmetadata.net/lire
 * LIRE is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * LIRE is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with LIRE; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 * We kindly ask you to refer the any or one of the following publications in
 * any publication mentioning or employing Lire:
 *
 * Lux Mathias, Savvas A. Chatzichristofis. Lire: Lucene Image Retrieval –
 * An Extensible Java CBIR Library. In proceedings of the 16th ACM International
 * Conference on Multimedia, pp. 1085-1088, Vancouver, Canada, 2008
 * URL: http://doi.acm.org/10.1145/1459359.1459577
 *
 * Lux Mathias. Content Based Image Retrieval with LIRE. In proceedings of the
 * 19th ACM International Conference on Multimedia, pp. 735-738, Scottsdale,
 * Arizona, USA, 2011
 * URL: http://dl.acm.org/citation.cfm?id=2072432
 *
 * Mathias Lux, Oge Marques. Visual Information Retrieval using Java and LIRE
 * Morgan & Claypool, 2013
 * URL: http://www.morganclaypool.com/doi/abs/10.2200/S00468ED1V01Y201301ICR025
 *
 * Copyright statement:
 * --------------------
 * (c) 2002-2013 by Mathias Lux (mathias@juggle.at)
 *     http://www.semanticmetadata.net/lire, http://www.lire-project.net
 */

package net.semanticmetadata.lire.imageanalysis.bovw;

import junit.framework.TestCase;
import net.semanticmetadata.lire.DocumentBuilder;
import net.semanticmetadata.lire.ImageSearchHits;
import net.semanticmetadata.lire.impl.SurfDocumentBuilder;
import net.semanticmetadata.lire.impl.VisualWordsImageSearcher;
import org.apache.lucene.document.Document;
import org.apache.lucene.index.DirectoryReader;
import org.apache.lucene.index.IndexReader;
import org.apache.lucene.store.FSDirectory;

import javax.imageio.ImageIO;
import java.awt.image.BufferedImage;
import java.io.File;
import java.io.IOException;

/**
 * @author Mathias Lux, mathias@juggle.at
 *         Date: 04.11.11
 *         Time: 16:18
 */
public class VisualWordsTest extends TestCase {
    public void testCreateQuery() throws IOException {
        IndexReader reader = DirectoryReader.open(FSDirectory.open(new File("./index-mirflickr")));
        BufferedImage image = ImageIO.read(new File("./wang-1000/0.jpg"));
        SurfDocumentBuilder sb = new SurfDocumentBuilder();
        Document d = sb.createDocument(image, "query");
        SurfFeatureHistogramBuilder sfb = new SurfFeatureHistogramBuilder(reader);
        d = sfb.getVisualWords(d);
        VisualWordsImageSearcher searcher = new VisualWordsImageSearcher(3, DocumentBuilder.FIELD_NAME_SURF_VISUAL_WORDS);
        ImageSearchHits hits = searcher.search(d, reader);
        for (int i = 0; i < hits.length(); i++) {
            hits.doc(i);
        }
    }
}
