TextString.java

/*
 * Copyright (c) 2009 Piotr Piastucki
 * 
 * This file is part of Patchca CAPTCHA library.
 * 
 *  Patchca is free software: you can redistribute it and/or modify
 *  it under the terms of the GNU Lesser General Public License as published by
 *  the Free Software Foundation, either version 3 of the License, or
 *  (at your option) any later version.
 *  
 *  Patchca 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 Lesser General Public License for more details.
 *  
 *  You should have received a copy of the GNU Lesser General Public License
 *  along with Patchca. If not, see <http://www.gnu.org/licenses/>.
 */
package com.xiongyingqi.captcha.text.renderer;

import java.util.ArrayList;

public class TextString {

    private ArrayList<TextCharacter> characters = new ArrayList<TextCharacter>();

    public void clear() {
        characters.clear();
    }

    public void addCharacter(TextCharacter tc) {
        characters.add(tc);
    }

    public ArrayList<TextCharacter> getCharacters() {
        return characters;
    }

    public double getWidth() {
        double minx = 0;
        double maxx = 0;
        boolean first = true;
        for (TextCharacter tc : characters) {
            if (first) {
                minx = tc.getX();
                maxx = tc.getX() + tc.getWidth();
                first = false;
            } else {
                if (minx > tc.getX()) {
                    minx = tc.getX();
                }
                if (maxx < tc.getX() + tc.getWidth()) {
                    maxx = tc.getX() + tc.getWidth();
                }
            }

        }
        return maxx - minx;
    }

    public double getHeight() {
        double miny = 0;
        double maxy = 0;
        boolean first = true;
        for (TextCharacter tc : characters) {
            if (first) {
                miny = tc.getY();
                maxy = tc.getY() + tc.getHeight();
                first = false;
            } else {
                if (miny > tc.getY()) {
                    miny = tc.getY();
                }
                if (maxy < tc.getY() + tc.getHeight()) {
                    maxy = tc.getY() + tc.getHeight();
                }
            }

        }
        return maxy - miny;
    }

}