Paper.js Subraster Added Behind Rectangle Instead Of In Front

In this Paper.js Sketch, selecting an area of the Mona Lisa raster makes a whiteout Rectangle of the area in place, as well as a generating a subraster of the area. The whiteout re

Solution 1:

If you look at the getSubRaster() function, you can see that it inserts the returned raster directly above the raster object it was created from.

function() {
  var rect = Rectangle.read(arguments),
    raster = new Raster(Item.NO_INSERT);
  raster.setImage(this.getSubCanvas(rect));
  raster.translate(rect.getCenter().subtract(this.getSize().divide(2)));
  raster._matrix.preConcatenate(this._matrix);
  raster.insertAbove(this);
  return raster;
}