code: function(oCoords, i) {
        return {
          topline: {
            o: oCoords.tl,
            d: oCoords.tr
          },
          rightline: {
            o: oCoords.tr,
            d: oCoords.br
          },
          bottomline: {
            o: oCoords.br,
            d: oCoords.bl
          },
          leftline: {
            o: oCoords.bl,
            d: oCoords.tl
          }
        }
      }
docs: Method that returns an object with the image lines in it given the coordinates of the corners
  @method _getImageLines
  @private
  @param oCoords {Object} coordinates of the image corners