internal ImageWithMime GenerateThumbnail(FullPath originalImage)
{
string name = originalImage.File.Name;
for (int i = name.Length - 1; i >= 0; i--)
{
if (name[i] == '_')
{
name = name.Substring(0, i);
break;
}
}
string fullPath = originalImage.File.DirectoryName + "\\" + name + originalImage.File.Extension;
if (_thumbnailsDirectory != null)
{
FileInfo thumbPath;
if (originalImage.File.FullName.StartsWith(_thumbnailsDirectory.FullName))
{
thumbPath = originalImage.File;
}
else
{
thumbPath = new FileInfo(Path.Combine(_thumbnailsDirectory.FullName, originalImage.RelativePath));
}
if (!thumbPath.Exists)
{
if (!thumbPath.Directory.Exists)
{
System.IO.Directory.CreateDirectory(thumbPath.Directory.FullName);
}
using (FileStream thumbFile = thumbPath.Create())
{
using (FileStream original = File.OpenRead(fullPath))
{
ImageWithMime thumb = PicturesEditor.GenerateThumbnail(original, _thumbnailsSize, true);
thumb.ImageStream.CopyTo(thumbFile);
thumb.ImageStream.Position = 0;
return(thumb);
}
}
}
else
{
return(new ImageWithMime(PicturesEditor.ConvertThumbnailExtension(thumbPath.Extension), thumbPath.OpenRead()));
}
}
else
{
using (FileStream original = File.OpenRead(fullPath))
{
return(PicturesEditor.GenerateThumbnail(original, _thumbnailsSize, true));
}
}
}
public ActionResult GetThumbnail(HttpRequestBase request, HttpResponseBase response, string hash)
{
string thumbHash = hash;
if (thumbHash != null)
{
FullPath path = _driver.ParsePath(thumbHash);
if (!path.IsDirectoty && path.Root.CanCreateThumbnail(path.File))
{
if (!HttpCacheHelper.IsFileFromCache(path.File, request, response))
{
ImageWithMime thumb = path.Root.GenerateThumbnail(path);
return(new FileStreamResult(thumb.ImageStream, thumb.Mime));
}
else
{
response.ContentType = Helper.GetMimeType(path.Root.PicturesEditor.ConvertThumbnailExtension(path.File.Extension));
response.End();
}
}
}
return(new EmptyResult());
}