/*
Thomas Keller, Flavio Schnelli
 */
//The Pixler Machine

//Vorbefehl
//Bild
String ladeBild = "2.jpg";
PImage bild;
//mögliche Variation
float variation = 0;
//Text
PFont font;




//Bilder, Hintergrund, Text laden
void setup() 
{ 
  stroke(255);   
  background(0);
  bild = loadImage(ladeBild);
  size(840, 485);
  image(bild, 0, 0);
  font = loadFont("arial2.vlw");
  textFont(font); 
  fill(255);
  text("The Pixler Machine", 650, 20);
  textSize(15);
  text("v = dunkle Pixel dominant", 650, 100);
  text("b = helle Pixel dominant", 650, 130);
  text("n = Pixel invertieren", 650, 160);
  text("m = Pause", 650, 190);
  textSize(10);
  text("Thomas Keller _ Flavio Schnelli", 690, 470);
}

//Farbpixel, Schalter
float fr = 0;
float fg = 0;
float fb = 0;
int schalter = 0;


//Durchlauf der Pixelanalyse nach R,G,B der 3 Schalter und Veränderung

void draw() {


  if (schalter == 1) {


    for (  int iy=0; iy<485 ; iy++ ) {
      for (  int ix=0; ix<640; ix++ ){
        color f1 = get(ix,iy);
        color f2 = get(ix+round(random(-1,1)),iy+round(random(-1,1)));

        if (red(f1)<red(f2)) {
          fr=red(f1+round(random(-variation,variation)));
        } 
        else {
          fr=red(f2)+round(random(-variation,variation));
        }
        if (green(f1)<green(f2)) {
          fg=green(f1)+round(random(-variation,variation));
        } 
        else {
          fg=green(f2)+round(random(-variation,variation));
        }
        if (blue(f1)<blue(f2)) {
          fb=blue(f1)+round(random(-variation,variation));
        } 
        else {
          fb=blue(f2)+round(random(-variation,variation));
        }

        color c = color(fr, fg, fb);
        set(ix,iy,c);

      }
    }
  }

  if (schalter == 2) {
    for (  int iy=0; iy<485; iy++ ) {
      for (  int ix=0; ix<640; ix++ ){
        color f1 = get(ix,iy);
        color f2 = get(ix+round(random(-2,2)),iy+round(random(-2,2)));

        if (red(f1)>red(f2)) {
          fr=red(f1+round(random(-variation,variation)));
        } 
        else {
          fr=red(f2+round(random(-variation,variation)));
        }
        if (green(f1)>green(f2)) {
          fg=green(f1+round(random(-variation,variation)));
        } 
        else {
          fg=green(f2+round(random(-variation,variation)));
        }
        if (blue(f1)>blue(f2)) {
          fb=blue(f1+round(random(-variation,variation)));
        } 
        else {
          fb=blue(f2+round(random(-variation,variation)));
        }

        color c = color(fr, fg, fb);
        set(ix,iy,c);
      }
    }
  } 
  if (schalter == 3) {


    for (  int iy=0; iy<485; iy++ ) {
      for (  int ix=0; ix<640; ix++ ){
        color f1 = get(ix,iy);
        color f2 = get(ix+round(random(-1,1)),iy+round(random(-1,1)));

        if (red(f1)<red(f2)) {
          fr=255-red(f1);
        } 
        else {
          fr=red(f2);
        }
        if (green(f1)<green(f2)) {
          fg=255-green(f1);
        } 
        else {
          fg=green(f2);
        }
        if (blue(f1)<blue(f2)) {
          fb=255-blue(f1);
        } 
        else {
          fb=blue(f2);
        }

        color c = color(fr, fg, fb);
        set(ix,iy,c);
      }
    }
  }
}

//Tastaturbefehl der Schalter
void keyPressed() {
  if (key == 'v' || key == 'V') {
    schalter = 1;
  }   
  if (key == 'b' || key == 'B') {
    schalter = 2;
  }
  if (key == 'n' || key == 'N') {
    schalter = 3;
  }
  if (key == 'm' || key == 'M') {
    schalter = 0;
  }
}