kotlin processing file and image

example.kt

fun main() {
  //to read a file
  val scan = Scanner(FileReader("pathToFile"))
  
  //...
  
  PApplet.main("ImagePApplet")
}

//to show image in processing
class ImagePApplet : PApplet() {
  lateinit var image1 : PImage
  
  override fun setup() {
    image1 = loadImage("imagePath")
  }
  
  override fun draw() {
    image(image1, 0F, 0F)
  }
}