/* built with Studio Sketchpad: 
 *   https://sketchpad.cc
 * 
 * observe the evolution of this sketch: 
 *   https://studio.sketchpad.cc/sp/pad/view/ro.tMK4IrxPQdc/rev.109
 * 
 * authors: 
 *   Fun Programming
 *   
 *   
 *   
 *   
 *   

 * license (unless otherwise specified): 
 *   creative commons attribution-share alike 3.0 license.
 *   https://creativecommons.org/licenses/by-sa/3.0/ 
 */ 



// Watch a video tutorial about this program:
// http://funprogramming.org/90-Change-pixel-hue-saturation-and-brightness.html

/* @pjs preload="/static/uploaded_resources/p.1811/uganda.jpg"; */

void setup() {
  size(500, 400);
  colorMode(HSB);
  
  PImage img = loadImage("/static/uploaded_resources/p.1811/uganda.jpg");
  image(img, 0, 0);

  
}
void draw() {
    loadPixels();
  for(int i = 0; i<pixels.length; i++) {
    float b = brightness(pixels[i]);
    float s = saturation(pixels[i]);
    float h = hue(pixels[i]);
    
   pixels[i]=color(0.95*h,s,b)
  }
  updatePixels();  
}