Truncate a string to a given maximum width, relative to its paint size. - Android Graphics

Android examples for Graphics:Paint

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Description

Truncate a string to a given maximum width, relative to its paint size.

Demo Code

/*/*  www . java  2 s  .  co  m*/
 * SETT Browser
 * Sinhala-Englsih-Tamil trilingual rendering supported
 * mobile web-browser for Android.
 * 
 * Copyright (C) 2010 Dhanika Kaushalya Perera.
 * 
 * Based on the open-source project:
 * Zirco Browser for Android
 * Copyright (C) 2010 J. Devauchelle and contributors.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * version 3 as published by the Free Software Foundation.
 *
 * This program 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.
 */
//package com.java2s;

import android.graphics.Paint;

public class Main {
    /**
     * Truncate a string to a given maximum width, relative to its paint size.
     * @param paintObject The object the text will be painted on.
     * @param text The text to truncate.
     * @param maxWidth The maximum width of the truncated string.
     * @return The truncated string.
     */
    public static String getTruncatedString(Paint paintObject, String text,
            int maxWidth) {

        boolean modified = false;

        while ((paintObject.measureText(text) > maxWidth)
                && (text.length() > 0)) {
            text = text.substring(0, text.length() - 1);
            modified = true;
        }

        if (modified) {
            text += "...";
        }

        return text;
    }
}

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