ساخت پیکسل‌های تصادفی در جاوا (پردازش تصویر)

public class RandomImage {

     public static void main(String args[]) throws IOException {

          // Image file dimensions

          int width = 640, height = 320;



          // Create buffered image object

          BufferedImage img = null;

          img = new BufferedImage(width, height, BufferedImage.TYPE_INT_ARGB);

          System.out.println("Creating BufferImage...");

          // file object

          File f = null;



          // create random values pixel by pixel

          System.out.println("create random values pixel by pixel...");

          for (int y = 0; y < height; y++) {

              for (int x = 0; x < width; x++) {

                   int a = (int) (Math.random() * 256); // generating

                   int r = (int) (Math.random() * 256); // values

                   int g = (int) (Math.random() * 256); // less than

                   int b = (int) (Math.random() * 256); // 256



                   Color col = new Color(r, g, b, a); // pixel



                   img.setRGB(x, y, col.getRGB());

              }

          }



          // write image

          System.out.println("write image...");

          try {

              f = new File("RandomPixel.jpg");

              ImageIO.write(img, "jpg", f);

          } catch (IOException e) {

              System.out.println("Error: " + e);

          }

     }

}