Java Icon to BufferedImage getBufferedImage(Component comp, Icon icon)

Description

get Buffered Image

License

Open Source License

Declaration

public static BufferedImage getBufferedImage(Component comp, Icon icon) 

Method Source Code

//package com.java2s;
/*/*from   www . jav a 2s .c om*/
 * Copyright appNativa Inc. All Rights Reserved.
 *
 * This file is part of the Real-time Application Rendering Engine (RARE).
 *
 * RARE 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.Component;
import java.awt.Composite;

import java.awt.Dimension;

import java.awt.Graphics2D;

import java.awt.Image;

import java.awt.image.BufferedImage;

import javax.swing.Icon;
import javax.swing.ImageIcon;

public class Main {
    public static BufferedImage getBufferedImage(Component comp, Icon icon) {
        if (icon instanceof ImageIcon) {
            Image img = ((ImageIcon) icon).getImage();

            if (img instanceof BufferedImage) {
                return (BufferedImage) img;
            }
        }

        return createImage(comp, icon);
    }

    public static BufferedImage createImage(Component comp) {
        Dimension size = comp.getSize();

        if ((size.width < 1) || (size.height < 1)) {
            size.width = 1;
            size.height = 1;
        }

        BufferedImage image = new BufferedImage(size.width, size.height, BufferedImage.TRANSLUCENT);
        Graphics2D g2 = image.createGraphics();

        try {
            comp.paint(g2);
        } finally {
            g2.dispose();
        }

        return image;
    }

    public static BufferedImage createImage(Component comp, Icon icon) {
        return createImage(comp, icon, null);
    }

    public static BufferedImage createImage(Component comp, Icon icon, Composite composite) {
        if (icon == null) {
            return null;
        }

        BufferedImage image = new BufferedImage(icon.getIconWidth(), icon.getIconHeight(),
                BufferedImage.TRANSLUCENT);
        Graphics2D g2 = image.createGraphics();

        if (composite != null) {
            g2.setComposite(composite);
        }

        try {
            icon.paintIcon(comp, g2, 0, 0);
        } finally {
            g2.dispose();
        }

        return image;
    }
}

Related

1. getBufferedImage(Icon icon)
2. getBufferedImageFromIcon(Icon icon)
3. iconToBufferedImage(Icon icon)
4. toBufferedImage(Icon icon)