Multiline_Block.java

/*
    Copyright 2005, 2005 Burcu Yildiz
    Contact: burcu.yildiz@gmail.com
    
    This file is part of pdf2table.

    pdf2table 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.

    pdf2table 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 pdf2table.  If not, see <http://www.gnu.org/licenses/>.
*/

package pdf2xml;


public class Multiline_Block {

    int begin;
    int end;

    int leftmost;
    int rightmost;
    int max_elements;
    int avg_distance;
    int page;
    int used_space = 0;

    public Multiline_Block() {
    }

    public Multiline_Block(int b, int e, int l, int r, int me, int ad, int p) {
        this.begin = b;
        this.end = e;
        this.leftmost = l;
        this.rightmost = r;
        this.max_elements = me;
        this.avg_distance = ad;
        this.page = p;
    }

    /**
     * Update mlb values after adding a new line .
     * 
     * @param line
     *            line to be added
     */
    public void add(Line line) {
        end++;
        leftmost = Math.min(leftmost, line.leftmost);
        rightmost = Math.max(rightmost, line.rightmost);
        max_elements = Math.max(max_elements, line.texts.size());
        used_space += line.used_space;
    }

    /**
     * Update mlb values merging two MLBs
     * 
     * @param mlb
     *            multiline block to be added
     */
    public void add(Multiline_Block mlb) {
        leftmost = Math.min(leftmost, mlb.leftmost);
        rightmost = Math.max(rightmost, mlb.rightmost);
        max_elements = Math.max(max_elements, mlb.max_elements);
        used_space += mlb.used_space;
        avg_distance = (avg_distance + mlb.avg_distance) / 2;

    }

    public void init(Line line, int b, int pg) {
        begin = b;
        end = b;
        leftmost = line.leftmost;
        rightmost = line.rightmost;
        max_elements = line.texts.size();
        avg_distance = 0;
        page = pg;
        used_space = line.used_space;
    }
}