code: function(sCSSSize, bWithUnit) {
  			var iPixelValue;
  
  			if (typeof sCSSSize !== "string") {
  				return null;
  			}
  
  			if (sCSSSize.endsWith("px")) {
  				iPixelValue = parseInt(sCSSSize);
  			} else if (sCSSSize.endsWith("em") || sCSSSize.endsWith("rem")) {
  				iPixelValue = Math.ceil(parseFloat(sCSSSize) * TableUtils.getBaseFontSize());
  			} else {
  				return null;
  			}
  
  			if (bWithUnit) {
  				return iPixelValue + "px";
  			} else {
  				return iPixelValue;
  			}
  		}
docs: Converts the CSS size to pixels and returns it with or without unit. Can also be used to parse a pixel value string to an integer.
  
  @param {string} sCSSSize The CSSSize to convert.
  @param {boolean} [bWithUnit=false] Whether the value should be returned as a string with the unit.
  @returns {string | int | null} The pixel value as an integer, or string if <code>bWithUnit</code> is <code>true</code>. Returns
  <code>null</code> if the CSS size could not be converted.