//Press keys a,s,d,f,g to add a filter to the image
//Roy Rushing

PImage b;

void setup(){
size(400,400);
b = loadImage("Pumpkin.jpg");
} //loads the image

void draw(){
image(b, 0, 0);
}

void keyPressed(){
  if(key == 'a'){
  redraw();
  filter (INVERT);//defines the key pressed and what filter will be applied
  }else if (key == 's'){
    redraw();//redraw allows for the function to "redraw" itself for a new function
    filter (POSTERIZE, 10);//the number 10 refers to how much of the filter is added
  }else if (key == 'd'){
    redraw();
    filter (BLUR,5);
  }else if (key == 'f'){
    redraw();
    filter (THRESHOLD, .95);
  }else if (key == 'g'){
    redraw();
    filter (GRAY);
  }else if (key == 'h'){
    redraw();
  }
  noLoop(); //allows for the function to remain on screen until user changes it
}