private void PrintGraph()
{
Encoders.AddEncoder <JpegEncoder>();
Encoders.AddEncoder <PngEncoder>();
GraphViewModel graphVM = ViewModelLocator.GraphDataStatic;
ExtendedImage extendedImage = graphVM.GraphToImage();
Grid printGrid = new Grid();
RowDefinition printRowDefinition = new RowDefinition();
printGrid.RowDefinitions.Add(printRowDefinition);
Image image = new Image()
{
Source = extendedImage.ToBitmap()
};
printGrid.Children.Add(image);
PrintDocument printDocument = new PrintDocument();
printDocument.PrintPage += (s, args) =>
{
args.PageVisual = printGrid;
args.HasMorePages = false;
};
printDocument.Print("SnagL Graph");
}
public static WriteableBitmap GetBitmapSource(ExtendedImage image)
{
// Waits for the bitmap to be loaded if it needs so.
if (!image.IsFilled)
{
if (!image.IsLoading)
{
return(null);
}
ManualResetEvent resetEvent = new ManualResetEvent(false);
EventHandler onLoaded = new EventHandler((o, e) =>
{
resetEvent.Set();
});
image.LoadingCompleted += onLoaded;
resetEvent.WaitOne(1000);
image.LoadingCompleted -= onLoaded;
}
// Converts the bitmap.
return(image.ToBitmap());
}
private void AssignImage(ExtendedImage image)
{
Contract.Requires(image != null);
_isLoadingImage = false;
if (image.IsFilled)
{
_frames.Clear();
WriteableBitmap imageBitmap = image.ToBitmap();
if (image.IsAnimated && AnimationMode != AnimationMode.None)
{
Stop();
List <ImageBase> frames = new List <ImageBase>();
frames.Add(image);
frames.AddRange(image.Frames.OfType <ImageBase>());
foreach (ImageBase frame in frames)
{
if (frame != null && frame.IsFilled)
{
_framerefs.Add(frame.ToBitmap());
_frames.Add(new KeyValuePair <ImageBase, WeakReference>(frame, new WeakReference(_framerefs[_framerefs.Count - 1])));
}
}
AnimateImage();
Start();
}
else
{
if (_image != null)
{
_image.Source = imageBitmap;
}
}
}
}
public void Execute()
{
try
{
var m = new ServiceManager <GetImageCompletedEventArgs>(delegate(BodyArchitectAccessServiceClient client1, EventHandler <GetImageCompletedEventArgs> operationCompleted)
{
using (OperationContextScope ocs = new OperationContextScope(client1.InnerChannel))
{
OperationContext.Current.OutgoingMessageHeaders.Add(MessageHeader.CreateHeader("SessionId", "http://MYBASERVICE.TK/", ApplicationState.Current.SessionData.Token.SessionId));
OperationContext.Current.OutgoingMessageHeaders.Add(MessageHeader.CreateHeader("PictureId", "http://MYBASERVICE.TK/", picture.PictureIdk__BackingField));
OperationContext.Current.OutgoingMessageHeaders.Add(MessageHeader.CreateHeader("Hash", "http://MYBASERVICE.TK/", picture.Hashk__BackingField));
ApplicationState.AddCustomHeaders();
client1.GetImageCompleted -= operationCompleted;
client1.GetImageCompleted += operationCompleted;
client1.GetImageAsync();
}
});
m.OperationCompleted += (s, a) =>
{
if (a.Error != null)
{
PictureCacheItem item = new PictureCacheItem(null, picture.PictureIdk__BackingField, picture.Hashk__BackingField);
PicturesCache.Instance.AddToCache(item);
PicturesCache.Instance.Notify(new PictureInfoDTO()
{
PictureIdk__BackingField = picture.PictureIdk__BackingField, Hashk__BackingField = picture.Hashk__BackingField
});
}
else if (a.Result != null)
{
MemoryStream stream = new MemoryStream(a.Result.Result);
ExtendedImage desert = new ExtendedImage();
desert.SetSource(stream);
desert.LoadingFailed += delegate(object sender, UnhandledExceptionEventArgs e)
{
PictureCacheItem item = new PictureCacheItem(null, picture.PictureIdk__BackingField, picture.Hashk__BackingField);
PicturesCache.Instance.AddToCache(item);
PicturesCache.Instance.Notify(new PictureInfoDTO()
{
PictureIdk__BackingField = picture.PictureIdk__BackingField, Hashk__BackingField = picture.Hashk__BackingField
});
};
desert.LoadingCompleted += delegate
{
ApplicationState.SynchronizationContext.Post(delegate
{
var image = desert.ToBitmap();
PictureCacheItem item = new PictureCacheItem(image, picture.PictureIdk__BackingField, picture.Hashk__BackingField);
PicturesCache.Instance.AddToCache(item);
PicturesCache.Instance.Notify(picture);
//if (OperationCompleted != null)
//{
// OperationCompleted(this, EventArgs.Empty);
//}
}, null);
};
}
};
m.Run();
}
catch (Exception)
{
PictureCacheItem item = new PictureCacheItem(null, picture.PictureIdk__BackingField, picture.Hashk__BackingField);
PicturesCache.Instance.AddToCache(item);
PicturesCache.Instance.Notify(new PictureInfoDTO()
{
PictureIdk__BackingField = picture.PictureIdk__BackingField, Hashk__BackingField = picture.Hashk__BackingField
});
}
}
public static ImageSource SaveThumbnail(ThumbnailOptions options)
{
// Make sure this method runs in the UI thread.
if (!Deployment.Current.Dispatcher.CheckAccess())
{
return(Deployment.Current.Dispatcher.Invoke <ImageSource>(() =>
{
return SaveThumbnail(options);
}));
}
// Gets the images.
WriteableBitmap preferedImage = GetBitmapSource(options.PreferedMedia);
WriteableBitmap fallbackImage = GetBitmapSource(options.FallbackMedia);
// Determines which image needs to be saved.
WriteableBitmap targetImage = preferedImage;
if (preferedImage == null)
{
// Use the fallback image if the prefered image does not exist.
targetImage = fallbackImage;
}
else if (fallbackImage != null && options.MinWidth > -1 && preferedImage.PixelWidth < options.MinWidth && preferedImage.PixelWidth < fallbackImage.PixelWidth)
{
// Use the fallback image if its width is bigger than the prefered image's width, the latter being
// smaller than the min width.
targetImage = fallbackImage;
}
// No image? Return.
if (targetImage == null)
{
return(null);
}
// Gets the dimensions of the target image.
int targetWidth = (int)Math.Max(options.MinWidth, targetImage.PixelWidth);
double sourcePixelRatio = targetImage.PixelWidth / (double)targetImage.PixelHeight;
int targetHeight = (int)Math.Floor(targetWidth / sourcePixelRatio);
// Blurs the image if needed.
ExtendedImage targetExtendedImage = null;
if (options.Blur)
{
// Converts the image to an ImageTools image.
targetExtendedImage = targetImage.ToImage();
// Resizes the image if it can help decreasing the time needed to blur it.
// The image is only resized if the target size is less than the original size.
// Otherwise it means that the original image is smaller than the target size, in which case we blur it
// as it is and let WP scale up the blurred image later.
if (targetExtendedImage.PixelHeight * targetExtendedImage.PixelWidth > targetWidth * targetHeight)
{
targetExtendedImage = ExtendedImage.Resize(targetExtendedImage, targetWidth, targetHeight, new ImageTools.Filtering.NearestNeighborResizer());
}
// Inits the blur filter if needed and runs it.
if (_gaussianBlurFilter == null)
{
_gaussianBlurFilter = new ImageTools.Filtering.GaussianBlur()
{
Variance = 2d
};
}
targetExtendedImage = ExtendedImage.ApplyFilters(targetExtendedImage, _gaussianBlurFilter);
}
// Crops the image if needed.
if (options.CropRectangle.HasValue)
{
if (targetExtendedImage == null)
{
// Converts the image to an ImageTools image.
targetExtendedImage = targetImage.ToImage();
}
// Computes the downscaled crop rectangle.
// We're downscaling the crop rectangle instead of upscaling the image and then cropping it,
// in order to save some time.
// WP will upscale the cropped image later on.
int conformedCropWidth = Math.Min(options.CropRectangle.Value.Width, targetWidth);
int conformedCropHeight = Math.Min(options.CropRectangle.Value.Height, targetHeight);
double scaleFactor = (double)targetExtendedImage.PixelWidth / (double)targetWidth;
Rectangle crop = options.CropRectangle.Value;
crop.Width = (int)(conformedCropWidth * scaleFactor);
crop.Height = (int)(conformedCropHeight * scaleFactor);
crop.X = (int)((double)crop.X * scaleFactor);
crop.Y = (int)((double)crop.Y * scaleFactor);
// Crops the image.
if (crop.Width > 0 && crop.Height > 0)
{
targetExtendedImage = ExtendedImage.Crop(targetExtendedImage, crop);
}
// Stores the final dimensions of the image for later scaling.
targetWidth = conformedCropWidth;
targetHeight = conformedCropHeight;
}
if (targetExtendedImage != null)
{
targetImage = targetExtendedImage.ToBitmap();
}
// Saves the image.
try
{
if (targetWidth > 0 && targetHeight > 0)
{
using (IsolatedStorageFileStream stream = options.IsoStoreFile.OpenFile(options.Filename, FileMode.Create, FileAccess.ReadWrite))
{
targetImage.SaveJpeg(stream, targetWidth, targetHeight, 0, 100);
}
}
}
catch (IsolatedStorageException ex)
{
// Nothing to do, let's just dump this for further analysis.
DebugUtils.DumpException(ex, string.Format("OpenFile(f:{0})", options.Filename), true);
}
catch (ArgumentException ex)
{
// Nothing to do, let's just dump this for further analysis.
DebugUtils.DumpException(ex, string.Format("SaveJpeg(w:{0},h:{1})", targetWidth, targetHeight), true);
}
// Returns the image.
return(targetImage);
}
