Java Image to BufferedImage toBufferedImage(Image image)

Description

to Buffered Image

License

Open Source License

Declaration

public static BufferedImage toBufferedImage(Image image) 

Method Source Code

//package com.java2s;
//License from project: Open Source License 

import java.awt.Graphics;
import java.awt.Image;

import java.awt.image.BufferedImage;
import java.awt.image.PixelGrabber;
import javax.swing.ImageIcon;

public class Main {
    public static BufferedImage toBufferedImage(Image image) {
        if (image == null)
            return null;

        if (image instanceof BufferedImage) {
            return (BufferedImage) image;
        }//  w w  w .j ava  2s .co  m

        if (image.getWidth(null) < 0 || image.getHeight(null) < 0) {
            // This code ensures that all the pixels in the image are loaded
            image = new ImageIcon(image).getImage();
        }

        int imgType = hasAlpha(image) ? BufferedImage.TYPE_INT_ARGB : BufferedImage.TYPE_INT_RGB;
        BufferedImage buffImg = new BufferedImage(image.getWidth(null), image.getHeight(null), imgType);
        Graphics g = buffImg.createGraphics();
        g.drawImage(image, 0, 0, null);
        g.dispose();

        return buffImg;
    }

    public static boolean hasAlpha(Image image) {
        if (image == null)
            return false;

        if (image instanceof BufferedImage) {
            BufferedImage buffImg = (BufferedImage) image;
            return buffImg.getColorModel().hasAlpha();
        }

        PixelGrabber pg = new PixelGrabber(image, 0, 0, 1, 1, false);
        try {
            pg.grabPixels();
            return pg.getColorModel().hasAlpha();
        } catch (InterruptedException e) {

        }

        return true;
    }
}

Related

1. toBufferedImage(Image i)
2. toBufferedImage(Image image)
3. toBufferedImage(Image image)
4. toBufferedImage(Image image)
5. toBufferedImage(Image image)
6. toBufferedImage(Image image)
7. toBufferedImage(Image image)
8. toBufferedImage(Image image)
9. toBufferedImage(Image image)