public ActionResult Thumbnail(string path, int width = 51)
{
var physialPath = Server.MapPath(path);
if (!System.IO.File.Exists(physialPath))
{
return(HttpNotFound());
}
var info = new FileInfo(physialPath);
var md5Hash = FileHasher.CalculateMD5(physialPath);
var lastWrite = info.LastWriteTimeUtc;
var requestedETag = Request.Headers["If-None-Match"];
if (requestedETag == md5Hash)
{
return(new HttpStatusCodeResult(HttpStatusCode.NotModified));
}
var image = new WebImage(physialPath);
if (image.Width > width)
{
float fH = (width * image.Height) / image.Width;
var height = (int)Math.Floor(fH);
image = image.Resize(width, height).Crop(1, 1);
}
Response.Cache.SetCacheability(HttpCacheability.ServerAndPrivate);
Response.Cache.SetETag(md5Hash);
Response.Cache.SetLastModified(lastWrite);
return(File(
image.GetBytes(),
MimeMapping.GetMimeMapping(info.Name),
info.Name
));
//Response.AddOnSendingHeaders(ctx =>
//{
// ctx.Response.Headers.Remove("accept-ranges");
// ctx.Response.AppendHeader("accept-ranges", "bytes");
// ctx.Response.Headers.Remove("cache-control");
// ctx.Response.AppendHeader("cache-control", "max-age=864000"); // 10 days in seconds, see config file
// ctx.Response.Headers.Remove("etag");
// ctx.Response.AppendHeader("etag", md5Hash);
// ctx.Response.Headers.Remove("last-modified");
// ctx.Response.AppendHeader("last-modified", $"{lastWrite} GMT");
//});
//image.Resize(width, H).Crop(1, 1).Write();
}
public ActionResult Thumbnail(string path, int width = 91)
{
var physialPath = Server.MapPath(path);
if (!System.IO.File.Exists(physialPath))
{
return(HttpNotFound());
}
var info = new FileInfo(physialPath);
var md5Hash = FileHasher.CalculateMD5(physialPath);
var lastWrite = info.LastWriteTimeUtc;
var requestedETag = Request.Headers["If-None-Match"];
if (requestedETag == md5Hash)
{
return(new HttpStatusCodeResult(HttpStatusCode.NotModified));
}
var image = new WebImage(physialPath);
if (image.Width > width)
{
float fH = (width * image.Height) / image.Width;
var height = (int)Math.Floor(fH);
image = image.Resize(width, height).Crop(1, 1);
}
Response.Cache.SetCacheability(HttpCacheability.ServerAndPrivate);
Response.Cache.SetETag(md5Hash);
Response.Cache.SetLastModified(lastWrite);
return(File(
image.GetBytes(),
MimeMapping.GetMimeMapping(info.Name),
info.Name
));
}