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);
}
private Stream GetImageThumbnailStream(string type, string imageGuid, string width = null, string height = null)
{
if (type != "T" && type != "R" && type != "M")
{
throw new Exception("Unsupported image type");
}
idCatalogItem catalogItem = null;
Stream imageStream = null;
using (TransactionScope scope = new TransactionScope(TransactionScopeOption.Required, readUncommittedTransactionOptions))
{
catalogItem = db.idCatalogItem.Include("idFilePath").Single(x => x.GUID == imageGuid);
if (catalogItem == null)
{
throw new Exception("CatalogItem not found");
}
if (type == "R" && catalogItem.idHasRecipe == 0)
{
throw new Exception("Image has no recipe");
}
//Check if CatalogItem has a recipe, if yes try to get the recipe image
if (type == "M" && catalogItem.idHasRecipe > 0)
{
type = "R";
}
Boolean keepAspectRatio = Boolean.Parse(ConfigurationManager.AppSettings["KeepAspectRatio"]);
Boolean setGenericVideoThumbnailOnError = Boolean.Parse(ConfigurationManager.AppSettings["SetGenericVideoThumbnailOnError"]);
idThumbs thumb = null;
lock (dbThumbs)
{
//Searching with FirstOrDefault because PhotoSupreme sometimes stores the Thumbnail twice
thumb = dbThumbs.idThumbs.FirstOrDefault(x => x.ImageGUID == imageGuid && x.idType == type);
//If recipe image is not found, return the M image,
//because the programm cannot yet generate the recipe image
if (thumb == null && type == "R")
{
type = "M";
//Searching with FirstOrDefault because PhotoSupreme sometimes stores the Thumbnail twice
thumb = dbThumbs.idThumbs.FirstOrDefault(x => x.ImageGUID == imageGuid && x.idType == type);
}
}
if (thumb == null && Boolean.Parse(ConfigurationManager.AppSettings["CreateThumbnails"]))
{
SaveImageThumbnailResult result = StaticFunctions.SaveImageThumbnail(catalogItem, ref db, ref dbThumbs, new List <String>()
{
type
}, keepAspectRatio, setGenericVideoThumbnailOnError);
foreach (Exception ex in result.Exceptions)
{
log.Error(ex.ToString());
}
if (result.ImageStreams.Count > 0)
{
imageStream = result.ImageStreams.First();
if (IsRequestRest())
{
WebOperationContext.Current.OutgoingResponse.ContentType = "image/jpeg";
}
log.Info(String.Format("Client {0}:{1} called GetImageThumbnail with type: {2} imageGuid: {3} (returned resizedImageStream)",
clientEndpoint.Address, clientEndpoint.Port, type, imageGuid));
}
else
{
log.Info(String.Format("Client {0}:{1} called GetImageThumbnail with type: {2} imageGuid: {3} (returned null)",
clientEndpoint.Address, clientEndpoint.Port, type, imageGuid));
}
}
else
{
imageStream = new MemoryStream(thumb.idThumb);
if (IsRequestRest())
{
WebOperationContext.Current.OutgoingResponse.ContentType = "image/jpeg";
}
log.Info(String.Format("Client {0}:{1} called GetImageThumbnail with type: {2} imageGuid: {3} (returned imageStream)",
clientEndpoint.Address, clientEndpoint.Port, type, imageGuid));
}
scope.Complete();
}
if (width != null && height != null)
{
TransformGroup transformGroup = new TransformGroup();
BitmapSource bitmapSource = StaticFunctions.GetBitmapFrameFromImageStream(imageStream, "JPG");
StaticFunctions.Resize(ref bitmapSource, ref transformGroup, int.Parse(width), int.Parse(height));
if (transformGroup != null && transformGroup.Children.Count > 0)
{
TransformedBitmap tb = new TransformedBitmap();
tb.BeginInit();
tb.Source = bitmapSource;
tb.Transform = transformGroup;
tb.EndInit();
bitmapSource = tb;
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);
}