Java Image to BufferedImage toBufferedImage(Image image)

Description

to Buffered Image

License

Open Source License

Declaration

public static BufferedImage toBufferedImage(Image image) throws Exception 

Method Source Code

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

import javax.swing.*;
import java.awt.*;
import java.awt.image.BufferedImage;
import java.awt.image.ColorModel;

import java.awt.image.PixelGrabber;

public class Main {
    public static BufferedImage toBufferedImage(Image image) throws Exception {

        if (image instanceof BufferedImage) {
            return (BufferedImage) image;
        }/*from w  ww  .  j av a  2s.c  o  m*/

        image = new ImageIcon(image).getImage();

        boolean hasAlpha = hasAlpha(image);

        BufferedImage bimage = null;
        GraphicsEnvironment ge = GraphicsEnvironment.getLocalGraphicsEnvironment();

        int transparency = Transparency.OPAQUE;

        if (hasAlpha) {

            transparency = Transparency.BITMASK;

        }

        GraphicsDevice gs = ge.getDefaultScreenDevice();
        GraphicsConfiguration gc = gs.getDefaultConfiguration();
        bimage = gc.createCompatibleImage(image.getWidth(null), image.getHeight(null), transparency);

        if (bimage == null) {

            int type = BufferedImage.TYPE_INT_RGB;

            if (hasAlpha) {

                type = BufferedImage.TYPE_INT_ARGB;

            }

            bimage = new BufferedImage(image.getWidth(null), image.getHeight(null), type);

        }

        Graphics g = bimage.createGraphics();
        g.drawImage(image, 0, 0, null);
        g.dispose();

        return bimage;
    }

    public static boolean hasAlpha(Image image) throws InterruptedException {

        if (image instanceof BufferedImage) {

            BufferedImage bi = (BufferedImage) image;
            return bi.getColorModel().hasAlpha();

        }

        PixelGrabber pg = new PixelGrabber(image, 0, 0, 1, 1, false);
        pg.grabPixels();

        ColorModel cm = pg.getColorModel();
        return cm.hasAlpha();

    }
}

Related

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