Getting and Setting Pixels in a Buffered Image - Java 2D Graphics

Java examples for 2D Graphics:BufferedImage Pixel

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Description

Getting and Setting Pixels in a Buffered Image

Demo Code

import java.awt.image.BufferedImage;

public class Main {
  public static void main(String[] args) throws Exception {
    BufferedImage bufferedImage = null;
    int x = 100, y = 100;

    // Get a pixel
    int rgb = bufferedImage.getRGB(x, y);

    // Get all the pixels
    int w = bufferedImage.getWidth(null);
    int h = bufferedImage.getHeight(null);
    int[] rgbs = new int[w * h];
    bufferedImage.getRGB(0, 0, w, h, rgbs, 0, w);

    // Set a pixel
    rgb = 0xFF00FF00; // green
    bufferedImage.setRGB(x, y, rgb);/* w w w .j  a  v a  2s.c o m*/
  }
}

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