SkanaarGUI gui;
PFont font;
PImage img;
SKImage ski;
//--------------------
void setup(){
  size(256,286);
  font = loadFont("silkscreen.vlw");
  gui = new SkanaarGUI();
  gui.setDesign(font);
  gui.addSliderH("h",10,270,70,0.25);
  gui.addSliderH("s",90,270,70,0.25);
  gui.addSliderH("l",170,270,70,0.25);
  gui.addText("ht","hue threshold" ,10,262);
  gui.addText("st","saturation th.",90,262);
  gui.addText("lt","luminosity th." ,170,262);
  
  background(128);
  update();
}
//--------------------
void draw(){
  if(mousePressed) gui.mouseDrag(mouseX,mouseY);
  gui.visualize();
}
//--------------------
void mousePressed(){
  gui.mouseInput(mouseX,mouseY);
}
//--------------------
void mouseReleased(){
  update();
}
//--------------------
void update(){
  img = loadImage("lenna256.png");
  ski = new SKImage(img);
  int h = (int) (255*gui.getValue("h"));
  int s = (int) (255*gui.getValue("s"));
  int l = (int) (255*gui.getValue("l"));
  ski.compress(h,s,l);
  
  loadPixels();
  for(int i=0 ; i<width ; i++)
    for(int j=0 ; j<width ; j++){
      pixels[i+j*width] = ski.get(i,j);
    }
  updatePixels();
  
  redraw();
}
//--------------------