loadPixels()

Loads the pixel data of the current display window into the pixels[] array. This function must always be called before reading from or writing to pixels[]. Subsequent changes to the display window will not be reflected in pixels until loadPixels() is called again.

• size(400,400);
  int halfImage = width*height/2;
  PImage myImage = loadImage("mt-fuji.jpg");
  image(myImage, 0, 0);
  
  loadPixels();
  for (int i = 0; i < halfImage; i++) {
   pixels[i+halfImage] = pixels[i];
  }
  updatePixels();

  👁 Image
  

• loadPixels()

• void

• pixels
• updatePixels()