import cc.arduino.*;
import org.firmata.*;
import processing.serial.*;
Arduino arduino;

int k;
float v;
float[][] kernel;


PImage img;


void setup() {
  arduino = new Arduino(this, Arduino.list()[9], 57600);
  k =  arduino.analogRead(1) / 200;
  //k = 3;
  println(k);
  println(arduino.analogRead(1));
  v = 1.0 / (k*k);
  println(v);
  kernel = new float[k][k];
  for (int i = 0; i < k; i++) {
    for (int j = 0; j < k; j++) {
      kernel[i][j] = v;
    }
  }
  //println(kernel)
  size(640, 360);
  img = loadImage("bluegill.png"); // Load the original image
  noLoop();
  
  
  // Alternatively, use the name of the serial port corresponding to your
  // Arduino (in double-quotes), as in the following line.
  //arduino = new Arduino(this, "/dev/tty.usbmodem621", 57600);
 
} 

void draw() {
  image(img, 0, 0); // Displays the image from point (0,0) 
  img.loadPixels();

  // Create an opaque image of the same size as the original
  PImage edgeImg = createImage(img.width, img.height, RGB);

  // Loop through every pixel in the image
  for (int y = 1; y < img.height-1; y++) {   // Skip top and bottom edges
    for (int x = 1; x < img.width-1; x++) {  // Skip left and right edges
      float sum = 0; // Kernel sum for this pixel
      for (int ky = -1; ky < (k - 1); ky++) {
        for (int kx = -1; kx < (k - 1); kx++) {
          // Calculate the adjacent pixel for this kernel point
          int pos = (y + ky)*img.width + (x + kx);
          // Image is grayscale, red/green/blue are identical
          float val = red(img.pixels[pos]);
          // Multiply adjacent pixels based on the kernel values
          sum += kernel[ky+1][kx+1] * val;
        }
      }
      // For this pixel in the new image, set the gray value
      // based on the sum from the kernel
      edgeImg.pixels[y*img.width + x] = color(sum);
    }
  }
  // State that there are changes to edgeImg.pixels[]
  edgeImg.updatePixels();


  image(edgeImg, width/2, 0); // Draw the new image
}