public ActionResult Download(string id, string fileName)
{
if (!string.IsNullOrEmpty(Request.Headers["If-Modified-Since"]))
{
Response.StatusCode = 304;
Response.StatusDescription = "Not Modified";
Response.AddHeader("Content-Length", "0");
return(Content(String.Empty));
}
var file = AsefianFileContextHelper.GetFile(id, fileName);
try
{
MemoryStream outStream = new MemoryStream();
using (ImageFactory imageFactory = new ImageFactory(preserveExifData: false))
{
ISupportedImageFormat format = new JpegFormat {
Quality = 70
};
imageFactory.Load(file.Data)
.Format(format)
.Save(outStream);
return(File(outStream, MimeMapping.GetMimeMapping(fileName)));
}
}
catch (Exception)
{
return(File(file.Data, file.MimeType));
}
}
public ActionResult ResizeImage(string size, string fileId, string fileName)
{
try
{
if (!string.IsNullOrEmpty(Request.Headers["If-Modified-Since"]))
{
Response.StatusCode = 304;
Response.StatusDescription = "Not Modified";
Response.AddHeader("Content-Length", "0");
return(Content(string.Empty));
}
#region Temp Path
var tempPath = Server.MapPath("~/Temp/Thumb/resize");
if (!Directory.Exists(tempPath))
{
Directory.CreateDirectory(tempPath);
}
var filePath = $"{tempPath}\\{size}-{fileId}{Path.GetExtension(fileName)}";
if (System.IO.File.Exists(filePath))
{
byte[] filedata = System.IO.File.ReadAllBytes(filePath);
string contentType = MimeMapping.GetMimeMapping(filePath);
return(File(filedata, contentType));
}
#endregion
var sizes = size.Split('x').Select(x => int.Parse(x)).ToArray();
var file = AsefianFileContextHelper.GetFile(fileId, fileName);
MemoryStream outStream = new MemoryStream();
ISupportedImageFormat format = new JpegFormat {
Quality = 70
};
using (ImageFactory imageFactory = new ImageFactory(preserveExifData: false))
{
var resizeLayer = new ResizeLayer(new Size(sizes[0], sizes[1]), ResizeMode.Min);
imageFactory.Load(file.Data)
.Resize(resizeLayer)
.Format(format)
.Save(filePath)
.Save(outStream);
return(File(outStream, MimeMapping.GetMimeMapping(fileName)));
}
}
catch (Exception ex)
{
ServerError(ex);
return(HttpNotFound());
}
}
