/*
* 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.impl;
import net.semanticmetadata.lire.DocumentBuilder;
import net.semanticmetadata.lire.imageanalysis.ColorLayout;
import org.apache.lucene.document.Document;
import org.apache.lucene.document.Field;
import org.apache.lucene.document.StringField;
import java.awt.*;
import java.awt.image.BufferedImage;
import java.util.logging.Logger;
/**
* Factory for creating documents for one color images in a fast and efficient way.
* This file is part of the Caliph and Emir project: http://www.SemanticMetadata.net
* <br>Date: 14.12.2006
* <br>Time: 13:03:30
*
* @author Mathias Lux, mathias@juggle.at
* @deprecated no longer needed, will be deleted.
*/
public class DocumentFactory {
// create the logger for this factory:
static Logger logger = Logger.getLogger(DocumentFactory.class.getName());
/**
* Creates a document from a (non existent) one color image. Can be used for
* color search.
*
* @param color the color for the image
* @return the document for searching.
*/
public static Document createColorOnlyDocument(Color color) {
assert (color != null);
// Create a one pixel image
int imgWidth = 64;
BufferedImage img = new BufferedImage(imgWidth, imgWidth, BufferedImage.TYPE_INT_RGB);
Graphics2D g = (Graphics2D) img.getGraphics();
g.setColor(color);
g.fillRect(0, 0, imgWidth, imgWidth);
// Hand it over to ScalableColor to create a descriptor:
ColorLayout scd = new ColorLayout();
scd.extract(img);
// create the string representation
String sc = scd.getStringRepresentation();
// System.out.println("sc = " + sc);
// System.out.println("color = " + color);
logger.fine("Extraction from image finished");
Document doc = new Document();
if (sc != null)
doc.add(new StringField(DocumentBuilder.FIELD_NAME_COLORLAYOUT, sc, Field.Store.YES));
return doc;
}
}