Java Draw Centered drawCentredText(Graphics g, String str, int x, int y, int width, int height)

Description

Draw a string at a given location on screen centered in a given rectangle.
Left justifies the string if it is too long to fit all of the string inside the rectangle.

License

Open Source License

Declaration

public static void drawCentredText(Graphics g, String str, int x,
        int y, int width, int height) 

Method Source Code

//package com.java2s;
/*// w  w  w.ja  v  a 2s .com
 This file is part of the BlueJ program. 
 Copyright (C) 1999-2009,2011,2012,2013,2014,2015  Michael Kolling and John Rosenberg 
    
 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., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA. 
    
 This file is subject to the Classpath exception as provided in the  
 LICENSE.txt file that accompanied this code.
 */

import java.awt.FontMetrics;
import java.awt.Graphics;

import java.awt.Shape;

public class Main {
    /**
     * Draw a string at a given location on screen centered in a given
     * rectangle.<br>
     * Left justifies the string if it is too long to fit all of the string
     * inside the rectangle.
     */
    public static void drawCentredText(Graphics g, String str, int x,
            int y, int width, int height) {
        FontMetrics fm = g.getFontMetrics();

        Shape oldClip = g.getClip();
        g.clipRect(x, y, width, height);
        int xOffset = (width - fm.stringWidth(str)) / 2;
        if (xOffset < 0) {
            xOffset = 0;
        }
        // This is the space left around the text, divided by 2 (equal gap above and below)
        // to get the top of the text, plus the ascent to get the baseline 
        int yOffset = fm.getAscent()
                + ((height - fm.getAscent() - fm.getDescent()) / 2);
        g.drawString(str, x + xOffset, y + yOffset);
        g.setClip(oldClip);
    }
}

Related

1. drawCenterCircle(Graphics2D g, Point p, int radius)
2. drawCenteredCircle(Graphics2D g, int x, int y, int r)
3. drawCenterString(Graphics g, Point p, String text)
4. drawCentred(Graphics2D g2, String message, Rectangle2D box)
5. drawEllipseOld(Graphics g, double xCenter, double yCenter, double semiMA, double semiMI, double angle)
6. drawStringCenter(Graphics2D g, String text, Rectangle rect, int fontHeight, Color c)
7. drawStringCenter(Object o, Rectangle r, Font f, Graphics2D g)
8. drawStringCentered(final Graphics2D g2d, final Dimension dim, final String drawString, final int fontSize)