public static IHtmlString Picture(this HtmlHelper helper, UrlBuilder imageUrl, ImageType imageType, string cssClass = "", LazyLoadType lazyLoadType = LazyLoadType.None, string altText = "")
{
if (imageUrl == null)
{
return(new MvcHtmlString(string.Empty));
}
var pictureData = PictureUtils.GetPictureData(imageUrl, imageType, lazyLoadType == LazyLoadType.Progressive, altText);
var pictureElement = BuildPictureElement(pictureData, cssClass, lazyLoadType);
return(new MvcHtmlString(HttpUtility.HtmlDecode(pictureElement)));
}