//Making the upper left corner of a picture black diagonally
// write your code here
var originalImage = new SimpleImage("duvall.jpg");
for(var pixel of originalImage.values()){
var b = pixelTopLeftDiagonal(pixel, originalImage);
if(b){
setBlack(pixel);
}
}
print(originalImage);
function pixelTopLeftDiagonal(pixel, originalImage) {
var x = pixel.getX();
var y = pixel.getY();
if(x + y < 50){
return true;
}
return false;
}
function setBlack(pixel) {
pixel.setRed(0);
pixel.setGreen(0);
pixel.setBlue(0);
return pixel;
}