private void SaveComic(Fredin.Comic.Data.Comic comic, ComicModelContext entityContext)
{
// Generate comic
ComicGenerator generator = this.CreateComicGenerator(comic, false);
ComicGenerator frameGenerator = this.CreateComicGenerator(comic, true);
entityContext.SaveChanges();
// Storage container for all renders
CloudBlobContainer container = this.BlobClient.GetContainerReference(ComicConfigSectionGroup.Blob.RenderContainer);
// Push full size comic to render storage
using (MemoryStream comicStream = new MemoryStream())
{
generator.ComicImage.Save(comicStream, System.Drawing.Imaging.ImageFormat.Jpeg);
comicStream.Seek(0, SeekOrigin.Begin);
CloudBlobDirectory directory = container.GetDirectoryReference(ComicConfigSectionGroup.Blob.ComicDirectory);
CloudBlob comicBlob = directory.GetBlobReference(comic.StorageKey);
comicBlob.Properties.ContentType = "image/jpeg";
comicBlob.Properties.CacheControl = RenderCacheControl;
comicBlob.UploadFromStream(comicStream);
}
// Push thumb comic
using (MemoryStream thumbStream = new MemoryStream())
{
ComicGenerator.CropImage(new Size(364, 113), generator.GenerateThumb(364), ComicGenerator.ImageAlign.Top)
.Save(thumbStream, System.Drawing.Imaging.ImageFormat.Jpeg);
thumbStream.Seek(0, SeekOrigin.Begin);
CloudBlobDirectory directory = container.GetDirectoryReference(ComicConfigSectionGroup.Blob.ThumbDirectory);
CloudBlob thumbBlob = directory.GetBlobReference(comic.StorageKey);
thumbBlob.Properties.ContentType = "image/jpeg";
thumbBlob.Properties.CacheControl = RenderCacheControl;
thumbBlob.UploadFromStream(thumbStream);
}
// Push 1st frame
using (MemoryStream frameStream = new MemoryStream())
{
frameGenerator.ComicImage.Save(frameStream, System.Drawing.Imaging.ImageFormat.Jpeg);
frameStream.Seek(0, SeekOrigin.Begin);
CloudBlobDirectory directory = container.GetDirectoryReference(ComicConfigSectionGroup.Blob.FrameDirectory);
CloudBlob frameBlob = directory.GetBlobReference(comic.StorageKey);
frameBlob.Properties.ContentType = "image/jpeg";
frameBlob.Properties.CacheControl = RenderCacheControl;
frameBlob.UploadFromStream(frameStream);
}
// Push 1st frame thumb
using (MemoryStream frameThumbStream = new MemoryStream())
{
frameGenerator.GenerateThumb(150).Save(frameThumbStream, System.Drawing.Imaging.ImageFormat.Jpeg);
frameThumbStream.Seek(0, SeekOrigin.Begin);
CloudBlobDirectory directory = container.GetDirectoryReference(ComicConfigSectionGroup.Blob.FrameThumbDirectory);
CloudBlob frameThumbBlob = directory.GetBlobReference(comic.StorageKey);
frameThumbBlob.Properties.ContentType = "image/jpeg";
frameThumbBlob.Properties.CacheControl = RenderCacheControl;
frameThumbBlob.UploadFromStream(frameThumbStream);
}
// Push all photos
foreach (ComicPhoto photo in comic.ComicPhotos)
{
CloudBlobDirectory directory = container.GetDirectoryReference(ComicConfigSectionGroup.Blob.PhotoDirectory);
CloudBlob photoBlob = directory.GetBlobReference(photo.Photo.StorageKey);
photoBlob.Properties.ContentType = "image/jpeg";
photoBlob.Properties.CacheControl = RenderCacheControl;
photoBlob.UploadByteArray(photo.Photo.ImageData);
}
}
private void ExecuteTask(object state)
{
CloudQueueMessage queueMessage = (CloudQueueMessage)state;
this.Log.DebugFormat("Executing image task {0}", queueMessage.AsString);
string connectionString = ConfigurationManager.ConnectionStrings["ComicModelContext"].ConnectionString;
ComicModelContext entityContext = new ComicModelContext(connectionString);
PhotoTask task = null;
try
{
// Read task details from storage
CloudBlobContainer container = this.BlobClient.GetContainerReference(ComicConfigSectionGroup.Blob.TaskContainer);
CloudBlobDirectory directory = container.GetDirectoryReference(ComicConfigSectionGroup.Blob.PhotoTaskDirectory);
CloudBlob blob = directory.GetBlobReference(queueMessage.AsString);
XmlSerializer serializer = new XmlSerializer(typeof(PhotoTask));
using (MemoryStream stream = new MemoryStream())
{
blob.DownloadToStream(stream);
stream.Seek(0, SeekOrigin.Begin);
task = (PhotoTask)serializer.Deserialize(stream);
task.Status = TaskStatus.Executing;
this.UpdateTask(task);
}
User user = entityContext.TryGetUser(task.OwnerUid);
FacebookClient facebook = new FacebookClient(task.FacebookToken);
// Get image from web
Bitmap image = this.GetImage(task.SourceUrl);
if (task.Effect != ComicEffectType.None)
{
// Apply render effect
RenderHelper effectHelper = new RenderHelper(image.Size);
// Translate intensity to render parameters using min / max range
Dictionary <string, object> parameters = new Dictionary <string, object>();
foreach (RenderParameter p in effectHelper.GetRenderParameters(task.Effect))
{
if (task.Intensity == 0)
{
parameters.Add(p.Name, p.MinValue);
}
else if (task.Intensity == 1)
{
parameters.Add(p.Name, p.DefaultValue);
}
else if (task.Intensity == 2)
{
parameters.Add(p.Name, p.MaxValue);
}
}
ImageRenderData renderResult = effectHelper.RenderEffect(image, task.Effect, parameters);
image = new Bitmap(renderResult.RenderStream);
}
// Read raw photo into memory
MemoryStream imageStream = new MemoryStream();
image.Save(imageStream, System.Drawing.Imaging.ImageFormat.Jpeg);
imageStream.Seek(0, SeekOrigin.Begin);
// Save to storage
Photo photo = new Photo();
photo.CreateTime = DateTime.Now;
photo.User = user;
photo.StorageKey = Guid.NewGuid().ToString();
photo.Width = image.Width;
photo.Height = image.Height;
entityContext.AddToPhotos(photo);
entityContext.SaveChanges();
CloudBlobContainer imageContainer = this.BlobClient.GetContainerReference(ComicConfigSectionGroup.Blob.RenderContainer);
CloudBlobDirectory imageDirectory = imageContainer.GetDirectoryReference(ComicConfigSectionGroup.Blob.PhotoDirectory);
CloudBlob imageBlob = imageDirectory.GetBlobReference(photo.StorageKey);
imageBlob.Properties.ContentType = "image/jpeg";
imageBlob.UploadFromStream(imageStream);
// Mark task as completed
task.PhotoId = photo.PhotoId;
task.Status = TaskStatus.Complete;
this.UpdateTask(task);
this.Log.DebugFormat("Completed image task {0}", task.TaskId);
}
catch (Exception x)
{
this.Log.Error("Unable to complete image task.", x);
if (task != null)
{
task.Status = TaskStatus.Failed;
this.UpdateTask(task);
}
}
}