Given a character and its font, calculate the center point offset for that character. - Java 2D Graphics

Java examples for 2D Graphics:Font

  1. HOME
  2. Java
  3. 2D Graphics
  4. Font

Description

Given a character and its font, calculate the center point offset for that character.

Demo Code

/*/* w w  w.ja  va  2 s  .c o  m*/
 * Copyright (c) 2001-2002 Regents of the University of California.
 * All rights reserved.
 *
 * This software was developed at the University of California, Irvine.
 *
 * Redistribution and use in source and binary forms are permitted
 * provided that the above copyright notice and this paragraph are
 * duplicated in all such forms and that any documentation,
 * advertising materials, and other materials related to such
 * distribution and use acknowledge that the software was developed
 * by the University of California, Irvine.  The name of the
 * University may not be used to endorse or promote products derived
 * from this software without specific prior written permission.
 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
 * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
 */
//package com.java2s;
import java.awt.Graphics;
import java.awt.Point;
import java.awt.Font;
import java.awt.FontMetrics;

public class Main {
    /**
     * Given a character and its font, calculate the center point offset
     * for that character.  In otherwords, if the character were placed
     * at point (0,0), the result would be the center point of the
     * character.
     */
    public static Point getCenterOffset(Graphics g, Font f, char ch) {
        FontMetrics fm = g.getFontMetrics(f);
        int xOffset = (int) (fm.charWidth(ch) / 2);
        int yOffset = (int) (fm.getAscent() / 2);
        return new Point(xOffset, yOffset);
    }
}

Related Tutorials