Java BufferedImage Pixel getRandomPixel(final String fileName)

Description

get Random Pixel

License

Apache License

Declaration

public static String getRandomPixel(final String fileName) throws IOException 

Method Source Code

//package com.java2s;
//License from project: Apache License 

import javax.imageio.ImageIO;
import java.awt.image.BufferedImage;
import java.io.File;
import java.io.IOException;

public class Main {
    private static BufferedImage img;
    private static String file;

    public static String getRandomPixel(final String fileName) throws IOException {
        if (!fileName.equals(file)) {
            img = ImageIO.read(new File(fileName));
            file = fileName;/* w w w.j  a va2  s . c om*/
        }
        return String.format("#%06X", (0xFFFFFF
                & img.getRGB((int) (Math.random() * img.getWidth()), (int) (Math.random() * img.getHeight()))));
    }
}

Related

1. extractFromPixeldata(short[] pixeldata, int columns, int stride, int mask, byte[] ovlyData, int off, int length)
2. imageFromIntArray(int[] pixels, int w, int h)
3. pixels(BufferedImage image)
4. pixelsb(BufferedImage image)
5. pixelsFromBufferedImage(final BufferedImage image)