com.jaeksoft.searchlib.ocr.HocrBox.java Source code

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Here is the source code for com.jaeksoft.searchlib.ocr.HocrBox.java

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/**   
 * License Agreement for OpenSearchServer
 *
 * Copyright (C) 2013 Emmanuel Keller / Jaeksoft
 * 
 * http://www.open-search-server.com
 * 
 * This file is part of OpenSearchServer.
 *
 * OpenSearchServer 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 3 of the License, or
 *  (at your option) any later version.
 *
 * OpenSearchServer 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 OpenSearchServer. 
 *  If not, see <http://www.gnu.org/licenses/>.
 **/

package com.jaeksoft.searchlib.ocr;

import java.awt.Rectangle;
import java.util.List;

import org.apache.commons.lang.StringUtils;

import com.jaeksoft.searchlib.SearchLibException;

public class HocrBox {

    final private int x0;
    final private int y0;
    final private int x1;
    final private int y1;

    public HocrBox(String bbox) throws SearchLibException {
        int i = 0;
        String[] array = StringUtils.split(bbox);
        switch (array.length) {
        case 5:
            if (!"bbox".equalsIgnoreCase(array[i++]))
                throw new SearchLibException("bad HocrBox record: " + bbox);
            break;
        case 4:
            break;
        default:
            throw new SearchLibException("bad bbox record: " + bbox);
        }

        x0 = Integer.parseInt(array[i++]);
        y0 = Integer.parseInt(array[i++]);
        x1 = Integer.parseInt(array[i++]);
        y1 = Integer.parseInt(array[i++]);
    }

    @Override
    public String toString() {
        StringBuilder sb = new StringBuilder();
        sb.append(x0);
        sb.append(' ');
        sb.append(y0);
        sb.append(' ');
        sb.append(x1);
        sb.append(' ');
        sb.append(y1);
        return sb.toString();
    }

    public void addRectangle(List<Rectangle> boxList, float xFactor, float yFactor) {
        int x = (int) (x0 * xFactor);
        int y = (int) (y0 * yFactor);
        int w = (int) ((x1 - x0) * xFactor);
        int h = (int) ((y1 - y0) * yFactor);
        Rectangle r = new Rectangle(x, y, w, h);
        boxList.add(r);
    }
}