public static string CachedImage(this HtmlHelper helper, string originalPath, string fileName, ThumbnailPicture thumbnail, string className)
{
StringBuilder sb = new StringBuilder();
string formatString = "<img src=\"{0}\" alt=\"{1}\" class=\"{2}\" width=\"{3}\" height=\"{4}\" />";
//string formatString = "<img src=\"{0}\" alt=\"{1}\" class=\"{2}\" />";
string imageSrc = GetCachedImage(originalPath, fileName, thumbnail);
if (string.IsNullOrEmpty(imageSrc))
//return string.Format("image file {0} not found", fileName);
return string.Format("file not found", fileName);
sb.AppendFormat(formatString, VirtualPathUtility.ToAbsolute(imageSrc ?? ""), fileName, className ?? "", _width, _height);
return sb.ToString();
}
public static string CachedImage2(this HtmlHelper helper, string originalPath, string fileName, string fileName2, ThumbnailPicture thumbnail)
{
StringBuilder sb = new StringBuilder();
string formatString = "<img src=\"{0}\" alt=\"{1}\" width=\"{2}\" height=\"{3}\" />";
sb.AppendFormat(formatString, GetCachedImage(originalPath, fileName, thumbnail), fileName2, _width, _height);
return sb.ToString();
}
///// <summary>
/////
///// </summary>
///// <param name="originalPath"></param>
///// <param name="fileName"></param>
///// <param name="thumbnail"></param>
///// <param name="scaleMode"></param>
//public static void SaveCachedImage(string originalPath, string fileName, ThumbnailPicture thumbnail, ScaleMode scaleMode)
//{
// CacheImage(originalPath, fileName, thumbnail.CacheFolder, thumbnail.PictureSize, scaleMode, false, 0);
//}
public static void SaveCachedImage(string originalPath, string fileName, ThumbnailPicture thumbnail)
{
string cachePath = HttpContext.Current.Server.MapPath("~/ImageCache/" + thumbnail.CacheFolder);
string cachedImagePath = Path.Combine(cachePath, fileName);
if (!File.Exists(cachedImagePath))
{
CacheImage(originalPath, fileName, thumbnail.CacheFolder, thumbnail.PictureSize, thumbnail.ScaleMode, false, 0);
}
}
public static string CachedImage(this HtmlHelper helper, string originalPath, string fileName, ThumbnailPicture thumbnail)
{
return CachedImage(helper, originalPath, fileName, thumbnail, null);
}
public static string GetCachedImage(string originalPath, string fileName, ThumbnailPicture thumbnail)
{
if (string.IsNullOrEmpty(fileName) || !File.Exists(Path.Combine(HttpContext.Current.Server.MapPath(originalPath), fileName)))
{
return null;
}
string cacheFolder = thumbnail.CacheFolder;
string result = Path.Combine("~/ImageCache/" + cacheFolder + "/", fileName);
string cachePath = HttpContext.Current.Server.MapPath("~/ImageCache/" + cacheFolder);
if (!Directory.Exists(cachePath)) Directory.CreateDirectory(cachePath);
string cachedImagePath = Path.Combine(cachePath, fileName);
if (File.Exists(cachedImagePath))
{
GetImageSize(result);
return result;
}
if (CacheImage(originalPath, fileName, cacheFolder, thumbnail.PictureSize, thumbnail.ScaleMode, thumbnail.UseBackgroundImage, thumbnail.Offset))
{
GetImageSize(result);
return result;
}
return null;
}