Java Image Clear clearImage(BufferedImage image)

Description

Convenience method for 'clearing' a BufferedImage.

License

Open Source License

Parameter

Parameter	Description
image	the image to clear.

Declaration

public static void clearImage(BufferedImage image) 

Method Source Code

//package com.java2s;
/*/*from   ww  w.j  a va  2 s . c o  m*/
 *  UFO Saved Game Editor
 *  Copyright (C) 2010 Christopher Davoren
 *
 *  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 3 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, see <http://www.gnu.org/licenses/>.
 */

import java.awt.image.BufferedImage;

public class Main {
    /**
     * Convenience method for 'clearing' a BufferedImage.  Sets all pixels to 
     * black and completely transparent.
     * 
     * @param image the image to clear.
     */
    public static void clearImage(BufferedImage image) {
        int width = image.getWidth();
        int height = image.getHeight();

        int numpix = width * height;

        int[] argbClear = new int[width * height];

        for (int i = 0; i < width * height; i++) {
            argbClear[i] = 0x00000000;
        }

        image.setRGB(0, 0, width, height, argbClear, 0, width);
    }
}

Related

1. clear(BufferedImage image, int col)
2. clear(Image img)
3. clearImage(BufferedImage bi)
4. clearImage(BufferedImage img)
5. clearImage(BufferedImage img)
6. clearImage(final BufferedImage image)
7. clearMergedImagesCache()