code: function getRotatedSizes(_ref5) {
    var width = _ref5.width,
        height = _ref5.height,
        degree = _ref5.degree;
    degree = Math.abs(degree) % 180;
  
    if (degree === 90) {
      return {
        width: height,
        height: width
      };
    }
  
    var arc = degree % 90 * Math.PI / 180;
    var sinArc = Math.sin(arc);
    var cosArc = Math.cos(arc);
    var newWidth = width * cosArc + height * sinArc;
    var newHeight = width * sinArc + height * cosArc;
    return degree > 90 ? {
      width: newHeight,
      height: newWidth
    } : {
      width: newWidth,
      height: newHeight
    };
  }
docs: Get the new sizes of a rectangle after rotated.
  @param {Object} data - The original sizes.
  @returns {Object} The result sizes.