private async void OnPageLoaded(object sender, RoutedEventArgs e)
        {
            SystemNavigationManager.GetForCurrentView().AppViewBackButtonVisibility = AppViewBackButtonVisibility.Visible;

            var file = await StorageFile.GetFileFromApplicationUriAsync(new System.Uri("ms-appx:///Assets/defaultImage.jpg"));

            var storageFileImageSource = new StorageFileImageSource(file);
            var asyncImageResource = storageFileImageSource as IAsyncImageResource;
            var imageResource = await asyncImageResource.LoadAsync();
            m_imageSize = imageResource.ImageSize;
            var sepiaEffect = new Lumia.Imaging.Artistic.SepiaEffect(storageFileImageSource);

            SoftwareBitmapRenderer softwareBitmapRenderer = new SoftwareBitmapRenderer(sepiaEffect);

            m_sepiaEffectSoftwareBitmap = await softwareBitmapRenderer.RenderAsync();

            m_canvasControl.Invalidate();
        }
        private async void OnPageLoaded(object sender, RoutedEventArgs e)
        {
            SystemNavigationManager.GetForCurrentView().AppViewBackButtonVisibility = AppViewBackButtonVisibility.Visible;

            var file = await StorageFile.GetFileFromApplicationUriAsync(new System.Uri("ms-appx:///Assets/defaultImage.jpg"));

            var storageFileImageSource = new StorageFileImageSource(file);
            var asyncImageResource     = storageFileImageSource as IAsyncImageResource;
            var imageResource          = await asyncImageResource.LoadAsync();

            m_imageSize = imageResource.ImageSize;
            var sepiaEffect = new Lumia.Imaging.Artistic.SepiaEffect(storageFileImageSource);

            SoftwareBitmapRenderer softwareBitmapRenderer = new SoftwareBitmapRenderer(sepiaEffect);

            m_sepiaEffectSoftwareBitmap = await softwareBitmapRenderer.RenderAsync();

            m_canvasControl.Invalidate();
        }