Rotate the canvas to an absolute degree
@param {number} degree - The rotate degree.
@returns {Cropper} this
function rotateTo(degree) {
    degree = Number(degree);

    if (isNumber(degree) && this.ready && !this.disabled && this.options.rotatable) {
      this.imageData.rotate = degree % 360;
      this.renderCanvas(true, true);
    }

    return this;
  }