Java Swing Font Set getCharsWidth(Font font, char[] chars, int offset, int length)

Description

Gets the width of the specified char array.

License

Open Source License

Parameter

Parameter	Description
chars	The char array to get the width for.
offset	The offset where to start.
length	The length of the measure.
font	The font being the base of the measure.

Return

the width of the specified char array.

Declaration

public static int getCharsWidth(Font font, char[] chars, int offset, int length) 

Method Source Code

//package com.java2s;
/*//from  w  w w.ja  v a2 s  . c  o m
 * TV-Browser
 * Copyright (C) 04-2003 Martin Oberhauser (martin_oat@yahoo.de)
 *
 * This program 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.
 *
 * 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.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 *
 * CVS information:
 *  $RCSfile$
 *   $Source$
 *     $Date: 2010-11-14 17:44:44 +0100 (Sun, 14 Nov 2010) $
 *   $Author: bananeweizen $
 * $Revision: 6823 $
 */

import java.awt.Font;
import java.awt.FontMetrics;

import javax.swing.JLabel;

public class Main {
    /** The helper label. */
    private static final JLabel HELPER_LABEL = new JLabel();

    /**
     * Gets the width of the specified char array.
     *
     * @param chars
     *          The char array to get the width for.
     * @param offset
     *          The offset where to start.
     * @param length
     *          The length of the measure.
     * @param font
     *          The font being the base of the measure.
     * @return the width of the specified char array.
     */
    public static int getCharsWidth(Font font, char[] chars, int offset, int length) {
        if (chars == null) {
            return 0;
        }

        FontMetrics metrics = HELPER_LABEL.getFontMetrics(font);
        return metrics.charsWidth(chars, offset, length);
    }
}

Related

1. getFont(AttributeSet a)
2. increaseLabelFont(JLabel label, int offset)
3. initGlobalFontSetting()
4. setAntiAlisingFont()