rektangel skalering

  function drawRect(position) {
      ctx.beginPath();
      // draw a new rect from the start position
      // to the current mouse position
      ctx.strokeRect(dragStartLocation.x, dragStartLocation.y, Math.abs(dragStartLocation.x - position.x), Math.abs(dragStartLocation.y - position.y));     //- Stian: Her settes stroke på figuren
      ctx.fillRect(dragStartLocation.x, dragStartLocation.y, Math.abs(dragStartLocation.x - position.x), Math.abs(dragStartLocation.y - position.y));
  }

// Event for mouse move
  function mouseMove(aEvent) {
      var pos = getMousePos(aEvent);

      var position;

      if (dragging === true && selectedShape === "Rectangle") {
          restoreSnapshot();
          position = pos;
          drawRect(position);
      }