Java BufferedImage from Byte Array decodeForRGBBufferedImage(String filePath)

Description

Read the file and return it as RGB buffered image

License

Open Source License

Parameter

Parameter	Description
filePath	a parameter

Exception

Parameter	Description
Exception	an exception

Return

image as buffered image

Declaration

public static BufferedImage decodeForRGBBufferedImage(String filePath) throws Exception 

Method Source Code

//package com.java2s;
import java.awt.Dimension;
import java.awt.Graphics2D;

import java.awt.geom.AffineTransform;
import java.awt.image.BufferedImage;

import java.awt.image.RenderedImage;

import java.io.File;

import javax.imageio.ImageIO;

public class Main {
    /**//w ww  .j  a  v  a  2s.com
     * Read the file and return it as RGB buffered image     
     * @param filePath
     * @return image as buffered image
     * @throws Exception
     */
    public static BufferedImage decodeForRGBBufferedImage(String filePath) throws Exception {
        BufferedImage bi = null;
        try {
            File file = new File(filePath);
            RenderedImage im = ImageIO.read(file);
            Dimension imageSize = new Dimension(im.getWidth(), im.getHeight());
            bi = new BufferedImage(imageSize.width, imageSize.height, BufferedImage.TYPE_INT_ARGB);
            drawImage(bi, im);
        } catch (Exception e) {
            System.out.println("cannot read file:  " + filePath + " as RGB buffered image");
        }
        return bi;
    }

    private static void drawImage(BufferedImage bi, RenderedImage im) {
        Graphics2D g = bi.createGraphics();
        g.drawRenderedImage(im, new AffineTransform());
        g.dispose();
    }
}

Related

1. fromByteArray(byte[] byteArray)
2. fromByteArray(byte[] bytes)
3. fromByteArray(byte[] data)
4. fromByteArray(byte[] imagebytes)