private Stream GetImageStream(string imageGuid, string width = null, string height = null)
{
idCatalogItem catalogItem = null;
Boolean keepAspectRatio = Boolean.Parse(ConfigurationManager.AppSettings["KeepAspectRatio"]);
catalogItem = db.idCatalogItem.Include("idFilePath").Single(x => x.GUID == imageGuid);
if (catalogItem == null)
{
throw new Exception("CatalogItem not found");
}
Stream imageStream = StaticFunctions.GetImageFileStream(StaticFunctions.GetImageFilePath(catalogItem));
BitmapSource bitmapSource = StaticFunctions.GetBitmapFrameFromImageStream(imageStream, catalogItem.idFileType);
System.Xml.Linq.XDocument recipeXDocument = null;
try
{
recipeXDocument = StaticFunctions.GetRecipeXDocument(db, catalogItem);
}
catch (Exception ex)
{
log.Error(String.Format("Error in 'GetImageStream' when applying recipe on imageGuid {0}: {1}",
catalogItem.GUID, ex.ToString()));
}
TransformGroup transformGroup = new TransformGroup();
if (width != null && height != null)
{
StaticFunctions.Resize(ref bitmapSource, ref transformGroup, int.Parse(width), int.Parse(height));
}
Rotation rotation = StaticFunctions.Rotate(ref bitmapSource, ref transformGroup);
if (Recipe.ApplyXmpRecipe(recipeXDocument, ref bitmapSource, transformGroup))
{
BitmapFrame transformedBitmapFrame = BitmapFrame.Create(bitmapSource);
JpegBitmapEncoder encoder = new JpegBitmapEncoder();
encoder.Frames.Add(transformedBitmapFrame);
imageStream = new System.IO.MemoryStream();
encoder.Save(imageStream);
}
imageStream.Position = 0;
return(imageStream);
}
public Stream GetFile(string imageGuid)
{
Stream fileStream = null;
try
{
log.Info(String.Format("Client {0}:{1} called GetFile with imageGuid: {2}",
clientEndpoint.Address, clientEndpoint.Port, imageGuid));
idCatalogItem catalogItem;
using (TransactionScope scope = new TransactionScope(TransactionScopeOption.Required, readUncommittedTransactionOptions))
{
catalogItem = db.idCatalogItem.Include("idFilePath").Single(x => x.GUID == imageGuid);
scope.Complete();
}
if (catalogItem == null)
{
throw new Exception("CatalogItem not found");
}
fileStream = StaticFunctions.GetImageFileStream(StaticFunctions.GetImageFilePath(catalogItem));;
if (IsRequestRest())
{
WebOperationContext.Current.OutgoingResponse.ContentType = "application/octet-stream";
WebOperationContext.Current.OutgoingResponse.Headers.Add("Content-Size", fileStream.Length.ToString());
}
return(fileStream);
}
catch (Exception ex)
{
if (fileStream != null)
{
fileStream.Close();
}
log.Error(ex.ToString());
throw ex;
}
}
