class_Brightness.pde

class Brightness {
  float x, y, r;
  PFont myFont;


  Brightness(float x, float y, float r) {
    this.x = x;
    this.y = y;
    this.r = r;

    image(targetImg, 0, 0);
  }



  void show() {
    image(img, 0, 0);
    img.resize(width, height);
    if (mousePressed) {
      if (mouseX>250 && mouseX<350 && mouseY>0 && mouseY < 30) {

        for (int x = 0; x <img.width; x++) {
          for (int y = 0; y <img.height; y++) {
            int loc = x + y * img.width;
            float r =red (img.pixels[loc]);
            float g = green (img.pixels[loc]);
            float b = blue (img.pixels[loc]);

            //float changeBrightness = map(v1,0,0,10,10);
            float changeBrightness = v1;
            r += changeBrightness;
            g += changeBrightness;
            b += changeBrightness;

            r = constrain(r, 0, 255);
            g = constrain(g, 0, 255);
            b = constrain(b, 0, 255);

            //make a nes color and set pixel in the window
            color c = color(r, g, b);
            img.pixels[loc] = c;
          }
        }
      }
    }
    /* if(mouseX>550 && mouseX < 650 && mouseY > 30 && mouseY < 60){
     img.save(imgName+"_bright.jpg");
     //println("brightness");
     }*/
    println("debrightness");
  }
 
}