Java Draw String drawString(Graphics g, String s, int alignment, Rectangle r)

Description

Draws a string into a Graphics object.

License

Apache License

Parameter

Parameter	Description
g	Graphics context to paint into
s	Text to draw
alignment	Text alignment ( #LEFT / #CENTER / #RIGHT )
r	Bounding rectangle (width has to be greater 0 when the alignment is CENTER or RIGHT)

Declaration

public static void drawString(Graphics g, String s, int alignment, Rectangle r) 

Method Source Code

//package com.java2s;
/*/*from   w w w  .  j  av a 2 s .c o  m*/
 *   Copyright 2007 skynamics AG
 *
 *   Licensed under the Apache License, Version 2.0 (the "License");
 *   you may not use this file except in compliance with the License.
 *   You may obtain a copy of the License at
 *
 *       http://www.apache.org/licenses/LICENSE-2.0
 *
 *   Unless required by applicable law or agreed to in writing, software
 *   distributed under the License is distributed on an "AS IS" BASIS,
 *   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *   See the License for the specific language governing permissions and
 *   limitations under the License.
 */

import java.awt.Graphics;

import java.awt.Rectangle;

public class Main {
    /** Flag for {@link #drawMultilineString(Graphics, String, int, Rectangle, boolean)}: Indicates that the text should be centered. */
    public static final int CENTER = (1 << 1);
    /** Flag for {@link #drawMultilineString(Graphics, String, int, Rectangle, boolean)}: Indicates that the text should be right justified. */
    public static final int RIGHT = (1 << 2);

    /**
     * Draws a string into a Graphics object.
     *
     * @param g Graphics context to paint into
     * @param s Text to draw
     * @param alignment Text alignment ({@link #LEFT}/{@link #CENTER}/{@link #RIGHT})
     * @param r Bounding rectangle (width has to be greater 0 when the alignment is CENTER or RIGHT)
     */
    public static void drawString(Graphics g, String s, int alignment, Rectangle r) {
        if (s == null)
            return;

        int x = r.x;
        if ((alignment & CENTER) != 0) {
            // Center text in line
            x += (r.width - g.getFontMetrics().stringWidth(s)) / 2;
        } else if ((alignment & RIGHT) != 0) {
            // Right-align text
            x += r.width - g.getFontMetrics().stringWidth(s);
        }
        g.drawString(s, x, r.y);
    }
}

Related

1. drawString(final Graphics g, final String text, final int x, final int y)
2. drawString(Graphics g, String s, int x, int y, int width, int height)
3. drawString(Graphics g, String s, int x, int y, int width, int height)
4. drawString(Graphics g, String text, int underlinedChar, int x, int y)
5. drawString(Graphics g, String text, int underlinedChar, int x, int y)