My New Sketch

//in class demonstration on text filters.

//Alexander Werdmuller von Elgg

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PImage myType;

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void setup(){

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  size(500,300);

  stroke(0,20);

  myType = loadImage("ten.gif");

  background(200);

  for(int i = 0; i < 2000; i++){

    int x = int(random(width));

    int y = int(random(height));

    color cp = myType.get(x,y);

    float b = brightness (cp); 

    if(b == 0){ 

   nofill();

      ellipse(random(x),random(y),x,y);

      line(random(x),random(y),x,y);

    }

  }

}