public static ICanvasImage RenderTransform(Layer l, ICanvasImage ci)
{
if (l.Visual == true && l.Opacity != 0) //图层可视且透明度大于零
{
if (l.Opacity == 100) //无透明度渲染
{
//图层无混合模式
if (l.BlendIndex == 0)
{
ci = new CompositeEffect
{
Sources = { ci, GetTransform(l.CanvasRenderTarget, l.Vect) }
}
}
; //结合接口
//图层有混合模式
else
{
ci = new BlendEffect()
{
Background = GetTransform(l.CanvasRenderTarget, l.Vect), Foreground = ci, Mode = l.BlendMode,
}
}; //混合接口
}
else if (l.Opacity == 0) //透明度渲染
{
return(ci);
}
else// if (l.Opacity < 100)//有透明度渲染
{
ICanvasImage oci = new OpacityEffect {
Source = GetTransform(l.CanvasRenderTarget, l.Vect), Opacity = (float)(l.Opacity / 100)
}; //透明度接口
//图层无混合模式
if (l.BlendIndex == 0)
{
ci = new CompositeEffect {
Sources = { ci, oci }
}
}
; //结合接口
//图层有混合模式
else
{
ci = new BlendEffect()
{
Background = oci, Foreground = ci, Mode = l.BlendMode,
}
}; //混合接口
}
}
return(ci);
}
public static CompositionBrush BuildMicaEffectBrush(Compositor compositor, Color tintColor, float tintOpacity, float luminosityOpacity)
{
// Tint Color.
var tintColorEffect = new ColorSourceEffect();
tintColorEffect.Name = "TintColor";
tintColorEffect.Color = tintColor;
// OpacityEffect applied to Tint.
var tintOpacityEffect = new OpacityEffect();
tintOpacityEffect.Name = "TintOpacity";
tintOpacityEffect.Opacity = tintOpacity;
tintOpacityEffect.Source = tintColorEffect;
// Apply Luminosity:
// Luminosity Color.
var luminosityColorEffect = new ColorSourceEffect();
luminosityColorEffect.Color = tintColor;
// OpacityEffect applied to Luminosity.
var luminosityOpacityEffect = new OpacityEffect();
luminosityOpacityEffect.Name = "LuminosityOpacity";
luminosityOpacityEffect.Opacity = luminosityOpacity;
luminosityOpacityEffect.Source = luminosityColorEffect;
// Luminosity Blend.
var luminosityBlendEffect = new BlendEffect();
luminosityBlendEffect.Mode = BlendEffectMode.Color;
luminosityBlendEffect.Background = new CompositionEffectSourceParameter("BlurredWallpaperBackdrop");
luminosityBlendEffect.Foreground = luminosityOpacityEffect;
// Apply Tint:
// Color Blend.
var colorBlendEffect = new BlendEffect();
colorBlendEffect.Mode = BlendEffectMode.Luminosity;
colorBlendEffect.Background = luminosityBlendEffect;
colorBlendEffect.Foreground = tintOpacityEffect;
CompositionEffectBrush micaEffectBrush = compositor.CreateEffectFactory(colorBlendEffect).CreateBrush();
var blurredWallpaperBackdropBrush = (ICompositorWithBlurredWallpaperBackdropBrush)((object)compositor);
micaEffectBrush.SetSourceParameter("BlurredWallpaperBackdrop", blurredWallpaperBackdropBrush.TryCreateBlurredWallpaperBackdropBrush());
return(micaEffectBrush);
}
private void Create()
{
if (_effectFactory == null)
{
var color = new ColorSourceEffect
{
Name = "Colour",
Color = this.TintColor
};
var opacity = new OpacityEffect
{
Name = "Opacity",
Opacity = 0f,
Source = color
};
var blurEffect = new GaussianBlurEffect
{
Name = "Blur",
BlurAmount = 0,
Optimization = EffectOptimization.Speed,
BorderMode = EffectBorderMode.Hard,
BufferPrecision = Microsoft.Graphics.Canvas.CanvasBufferPrecision.Precision16Float,
Source = new CompositionEffectSourceParameter("Source")
};
var blend = new BlendEffect
{
Background = blurEffect,
Foreground = opacity,
Mode = BlendEffectMode.SoftLight,
};
_effectFactory = _compositor.CreateEffectFactory(
blend, new string[] { "Blur.BlurAmount", "Colour.Color", "Opacity.Opacity" });
}
var brush = _effectFactory.CreateBrush();
brush.SetSourceParameter("Source", _compositor.CreateHostBackdropBrush());
this.CompositionBrush = brush;
UpdateBlur();
UpdateColor();
}
async Task CreateResourcesAsync(CanvasAnimatedControl sender)
{
for (int i = 0; i < shipImages.Length; i++)
{
string fileName;
if (Globals.player.fleet[i].Vertical)
{
fileName = "images/Ships/ship" + (i + 2) + Globals.player.fleet[i].ShipName + ".png";
}
else
{
fileName = "images/Ships/ship" + (i + 2) + Globals.player.fleet[i].ShipName + "Hor.png";
}
var originalImage = await CanvasBitmap.LoadAsync(sender, fileName);
shipImages[i] = Globals.ScaleImage(originalImage);
shipShadows[i] = GetShipShadow(i);
var transShip = new OpacityEffect
{
Source = shipImages[i],
Opacity = (float)0.8
};
transparentShips[i] = transShip;
var transShadow = new OpacityEffect
{
Source = shipShadows[i],
Opacity = (float)0.8
};
transparentShadows[i] = transShadow;
if (Globals.player.fleet[i].ShipName.Equals("Submarine"))
{
if (Globals.player.fleet[i].Vertical)
{
originalImage = await CanvasBitmap.LoadAsync(sender, "images/Ships/ship3SubmarineHor.png");
}
else
{
originalImage = await CanvasBitmap.LoadAsync(sender, "images/Ships/ship3Submarine.png");
}
alternateSubmarine = Globals.ScaleImage(originalImage);
}
}
}
/// <summary>
/// Gets a specific actual rended-layer (with icon render).
/// </summary>
/// <param name="resourceCreator"> The resource-creator. </param>
/// <param name="children"> The children layerage. </param>
/// <returns> The rendered layer. </returns>
public ICanvasImage GetActualRender(ICanvasResourceCreator resourceCreator, IList <Layerage> children)
{
if (this.Render2 == null || this.IsRefactoringRender)
{
this.IsRefactoringRender = false;
{
//Layer
ICanvasImage currentImage = this.GetRender(resourceCreator, children);
//Effect
currentImage = Effect.Render(this.Effect, currentImage);
//Adjustment
currentImage = Filter.Render(this.Filter, currentImage);
//Opacity
if (this.Opacity < 1.0)
{
currentImage = new OpacityEffect
{
Opacity = this.Opacity,
Source = currentImage
};
}
this.Render2 = currentImage;
}
if (this.IsRefactoringIconRender)
{
this.IsRefactoringIconRender = false;
this.Control.IconRender = this.Render2?.ToIconRenderImage(resourceCreator, LayerageCollection.ControlsHeight);
}
}
return(this.Render2);
}
protected override void OnConnected()
{
if (CompositionBrush != null)
{
return;
}
var backdropBlurEffect = new GaussianBlurEffect
{
Name = "Blur",
BlurAmount = (float)BlurAmount,
Source = new CompositionEffectSourceParameter("backdrop")
};
var backgroundColorSourceEffect = new ColorSourceEffect
{
Name = "Tint",
Color = BackgroundColor
};
var backgroundColorOpacityEffect = new OpacityEffect
{
Name = "Opacity",
Opacity = (float)BackgroundColorOpacity,
Source = backgroundColorSourceEffect
};
var blendEffect = new BlendEffect
{
Background = backdropBlurEffect,
Foreground = backgroundColorOpacityEffect,
Mode = BlendEffectMode.Multiply,
};
var effectFactory = Window.Current.Compositor.CreateEffectFactory(blendEffect, new[] { "Blur.BlurAmount", "Tint.Color", "Opacity.Opacity" });
var effectBrush = effectFactory.CreateBrush();
effectBrush.SetSourceParameter("backdrop", Window.Current.Compositor.CreateBackdropBrush());
CompositionBrush = effectBrush;
}
private ICanvasImage CreateOpacity()
{
if (!OpacityEffect.IsSupported)
{
return CreateNotSupportedMessage(requiresWin10_14393);
}
textLabel = requiresWin10_14393;
var opacityEffect = new OpacityEffect
{
Source = bitmapTiger
};
// Composite the fading tiger on top of a background checker pattern.
var compositeEffect = new CompositeEffect
{
Sources = { CreateCheckeredBackground(), opacityEffect }
};
// Animation changes the opacity.
animationFunction = elapsedTime =>
{
opacityEffect.Opacity = 0.5f + (float)Math.Sin(elapsedTime * 2) / 2;
};
return compositeEffect;
}
private void FinishButton_Click(object sender, RoutedEventArgs e)
{
CleanUp();
for (int i = 0; i < Globals.player.fleet.Length; i++)
{
if (Globals.player.fleet[i].ShipName.Contains("temp"))
{
if (Globals.player.fleet[i].Length == 2)
{
Globals.player.fleet[i].ShipName = "Scrambler";
shipImages[0] = verticalShips[0];
shipShadows[0] = GetShipShadow(0);
}
else if (Globals.player.fleet[i].Length == 3)
{
Globals.player.fleet[i].ShipName = "Submarine";
shipImages[1] = verticalShips[2];
shipShadows[1] = GetShipShadow(1);
}
else if (Globals.player.fleet[i].Length == 4)
{
Globals.player.fleet[i].ShipName = "Cruiser";
shipImages[2] = verticalShips[4];
shipShadows[2] = GetShipShadow(2);
}
else if (Globals.player.fleet[i].Length == 5)
{
Globals.player.fleet[i].ShipName = "Executioner";
shipImages[3] = verticalShips[6];
shipShadows[3] = GetShipShadow(3);
}
}
var transparent = new OpacityEffect
{
Source = shipImages[i],
Opacity = (float)0.7
};
shipImages[i] = transparent;
var transparentShadow = new OpacityEffect
{
Source = shipShadows[i],
Opacity = (float)0.7
};
shipShadows[i] = transparentShadow;
}
foreach (Button b in shipSelectButtons)
{
b.IsEnabled = false;
}
hoveredShip = null;
clickedShip = null;
moveError = null;
finishButton.IsEnabled = false;
shipDescriptionTitle.Text = "";
shipDescriptionDetails.Foreground = new SolidColorBrush(Windows.UI.Colors.White);
shipDescriptionDetails.TextAlignment = TextAlignment.Center;
shipDescriptionDetails.FontFamily = new FontFamily("Stencil");
shipDescriptionDetails.FontSize = 28;
shipDescriptionDetails.Text = "\nWaiting for other player...";
timerText.Text = "";
Globals.socket.On(Globals.GameID + " ready", async(data) =>
{
Globals.socket.Off(Globals.GameID + " ready");
if ((long)data == Globals.PlayerID)
{
Globals.player.HasTurn = true;
}
await dispatcher.RunAsync(CoreDispatcherPriority.High, () =>
{
Frame.Navigate(typeof(GameScreen));
});
});
Globals.socket.Emit("fleet finished", string.Format("{{\"playerID\": {0}, \"gameID\": {1}}}", Globals.PlayerID, Globals.GameID));
}
private void Canvas_Draw(ICanvasAnimatedControl sender, CanvasAnimatedDrawEventArgs args)
{
if (Globals.DrawReady)
{
for (int i = 0; i < shipImages.Length; i++)
{
lock (clickedLock)
{
if (Globals.player.fleet[i] != null)
{
double x = Globals.player.fleet[i].mainPoint.X;
double y = Globals.player.fleet[i].mainPoint.Y;
float xPos = (float)Globals.player.homeGrid[(int)x][(int)y].ScreenPoint.X;
float yPos = (float)Globals.player.homeGrid[(int)x][(int)y].ScreenPoint.Y;
args.DrawingSession.DrawImage(shipShadows[i], xPos, yPos);
args.DrawingSession.DrawImage(shipImages[i], xPos, yPos);
}
}
}
lock (hoverLock)
{
if (hoveredShip != null)
{
float drawX = (float)Globals.player.homeGrid[(int)(hoveredShip.mainPoint.X)][(int)(hoveredShip.mainPoint.Y)].ScreenPoint.X;
float drawY = (float)Globals.player.homeGrid[(int)(hoveredShip.mainPoint.X)][(int)(hoveredShip.mainPoint.Y)].ScreenPoint.Y;
float imageWidth = (float)shipImages[hoveredShip.Length - 2].GetBounds(screenCanvas).Width;
float imageHeight = (float)shipImages[hoveredShip.Length - 2].GetBounds(screenCanvas).Height;
args.DrawingSession.DrawRectangle(drawX, drawY, imageWidth, imageHeight, Windows.UI.Colors.Red, 3);
var rotateResult = hoveredShip.GetRotationPosition();
int imageIndex = Array.IndexOf(shipNames, hoveredShip.ShipName);
var transparentShip = new OpacityEffect();
if (hoveredShip.Vertical)
{
transparentShip.Source = horizontalShips[imageIndex];
}
else
{
transparentShip.Source = verticalShips[imageIndex];
}
transparentShip.Opacity = (float)0.6;
if (rotateResult.Item1.Length > 0 && rotateResult.Item2)
{
args.DrawingSession.DrawImage(transparentShip, drawX, drawY);
}
else if (rotateResult.Item1.Length > 0)
{
var tintedShip = new TintEffect()
{
Source = transparentShip,
Color = Windows.UI.Colors.Red
};
args.DrawingSession.DrawImage(tintedShip, drawX, drawY);
}
}
}
lock (clickedLock)
{
if (moveError != null)
{
var tintedShip = new TintEffect
{
Source = shipImages[clickedShip.Length - 2],
Color = Windows.UI.Colors.Red
};
var transparentShip = new OpacityEffect
{
Source = tintedShip,
Opacity = (float)0.75
};
float xPos = (float)Globals.player.homeGrid[(int)moveError.Item1.X][(int)moveError.Item1.Y].ScreenPoint.X;
float yPos = (float)Globals.player.homeGrid[(int)moveError.Item1.X][(int)moveError.Item1.Y].ScreenPoint.Y;
args.DrawingSession.DrawImage(transparentShip, xPos, yPos);
}
}
}
}
protected void CanvasAnimatedControl_Draw(Microsoft.Graphics.Canvas.UI.Xaml.ICanvasAnimatedControl sender, Microsoft.Graphics.Canvas.UI.Xaml.CanvasAnimatedDrawEventArgs args)
{
// First, ensure we have exclusive access to the list of sprites. we don't want this changing while we are trying
// to draw it. If another thread has access to it, we will skip drawing this frame.
if (Monitor.TryEnter(Sprite.Sprites))
{
try
{
// Establish the scale. Normally we draw at 1.0 scale. However, if the drawing surface is SMALLER than our coordinate space, we
// need to scale down. Likewise, if we are in fullscreen mode, we'll need to scale up.
if (sender.Size.Width < Dimensions.Width || sender.Size.Height < Dimensions.Height || fullscreen)
{
scale = (float)Math.Min(sender.Size.Width / Dimensions.Width, sender.Size.Height / Dimensions.Height);
}
else
{
scale = 1.0f;
}
// Draw the 'scale' transform into the scene
args.DrawingSession.Transform = Matrix3x2.CreateScale(scale, new Vector2((float)(sender.Size.Width / 2), (float)(sender.Size.Height / 2)));
// Upper-left corner of the destination drawing space
var origin = new Point()
{
X = (sender.Size.Width - Dimensions.Width) / 2, Y = (sender.Size.Height - Dimensions.Height) / 2
};
// Rectangle describing the destination drawing space
var destrect = new Rect(origin, Dimensions);
// Creating a layer around the destination drawing space is how we clip drawing to only the
// expected drawing space
using (args.DrawingSession.CreateLayer(1.0f, destrect))
{
// Draw the background
if (background != null && bitmaps.ContainsKey(background))
{
args.DrawingSession.DrawImage(bitmaps[background], destrect);
}
// The sprites are all positioned relative to the 'center', so we need to know where that is
// on the screen right now
var center = new Point(sender.Size.Width / 2, sender.Size.Height / 2);
// Draw each sprite
foreach (var sprite in Sprite.Sprites.OrderBy(x => x.Layer))
{
// Only draw the sprite if we have a costume loaded for it
if (sprite.Costume != null && sprite.Visible && bitmaps.ContainsKey(sprite.Costume))
{
// Fetch the correct drawing resource for this sprite
var bitmap = bitmaps[sprite.Costume];
// Figure out how big of space the sprite will occupy in the scene. This is where we
// apply sprite scaling. Also, this value is used for collisions.
sprite.CostumeSize = new Size(bitmap.Size.Width * sprite.Scale, bitmap.Size.Height * sprite.Scale);
// The 'drawme' is the canvas image we will ultimately draw. Along the way we will optionally
// apply effects to it.
ICanvasImage drawme = bitmap;
// Opacity effect if we are not fully opaque
if (sprite.Opacity < 1.0)
{
drawme = new OpacityEffect()
{
Source = drawme,
Opacity = (float)sprite.Opacity
};
}
// Rotation effect if we are rotated.
if (sprite.RotationAngle != 0.0)
{
drawme = new Transform2DEffect()
{
Source = drawme,
TransformMatrix = Matrix3x2.CreateRotation((float)sprite.RotationAngle, new Vector2((float)bitmap.Size.Width / 2, (float)bitmap.Size.Height / 2))
};
}
// Flip horizontal, if so indicated
if (sprite.FlipHorizontal)
{
drawme = new Transform2DEffect()
{
Source = drawme,
TransformMatrix = Matrix3x2.CreateScale(-1.0f, 1.0f, new Vector2((float)bitmap.Size.Width / 2, (float)bitmap.Size.Height / 2))
};
}
// Where in the scene to draw the sprite
var draw_at = new Point(center.X + sprite.Position.X - sprite.CostumeSize.Width / 2, center.Y - sprite.Position.Y - sprite.CostumeSize.Height / 2);
// Draw the sprite!
args.DrawingSession.DrawImage(drawme, new Rect(draw_at, sprite.CostumeSize), new Rect(new Point(0, 0), bitmap.Size));
// Render the 'saying'
if (sprite.Saying?.Length > 0)
{
var drawingSession = args.DrawingSession;
var format = new CanvasTextFormat {
FontSize = 30.0f, WordWrapping = CanvasWordWrapping.NoWrap
};
var textLayout = new CanvasTextLayout(drawingSession, sprite.Saying, format, 0.0f, 0.0f);
float xcenter = (float)(center.X + sprite.Position.X);
float ytop = (float)(center.Y - sprite.Position.Y + bitmap.Size.Height / 2 + 10.0);
var theRectYouAreLookingFor = new Rect(xcenter - textLayout.LayoutBounds.Width / 2 - 5, ytop, textLayout.LayoutBounds.Width + 10, textLayout.LayoutBounds.Height);
drawingSession.FillRectangle(theRectYouAreLookingFor, Colors.White);
drawingSession.DrawTextLayout(textLayout, xcenter - (float)textLayout.LayoutBounds.Width / 2, ytop, Colors.Black);
}
}
}
}
}
catch (Exception ex)
{
// This is not a great thing to do with exceptions...
}
finally
{
Monitor.Exit(Sprite.Sprites);
}
}
}
public static async Task <AttachedStaticCompositionEffect <T> > AttachCompositionCustomAcrylicEffectAsync <T>(
[NotNull] this T element, Color color, float colorMix,
[CanBeNull] CanvasControl canvas, [NotNull] Uri uri, int timeThreshold = 1000, bool reload = false, bool disposeOnUnload = false)
where T : FrameworkElement
{
// Percentage check
if (colorMix <= 0 || colorMix >= 1)
{
throw new ArgumentOutOfRangeException("The mix factors must be in the [0,1] range");
}
if (timeThreshold <= 0)
{
throw new ArgumentOutOfRangeException("The time threshold must be a positive number");
}
// Setup the compositor
Visual visual = ElementCompositionPreview.GetElementVisual(element);
Compositor compositor = visual.Compositor;
// Prepare a luminosity to alpha effect to adjust the background contrast
CompositionBackdropBrush hostBackdropBrush = compositor.CreateHostBackdropBrush();
CompositionEffectSourceParameter backgroundParameter = new CompositionEffectSourceParameter(nameof(hostBackdropBrush));
LuminanceToAlphaEffect alphaEffect = new LuminanceToAlphaEffect {
Source = backgroundParameter
};
OpacityEffect opacityEffect = new OpacityEffect
{
Source = alphaEffect,
Opacity = 0.4f // Reduce the amount of the effect to avoid making bright areas completely black
};
// Layer [0,1,3] - Desktop background with blur and tint overlay
BlendEffect alphaBlend = new BlendEffect
{
Background = backgroundParameter,
Foreground = opacityEffect,
Mode = BlendEffectMode.Overlay
};
IDictionary <String, CompositionBrush> sourceParameters = new Dictionary <String, CompositionBrush>
{
{ nameof(hostBackdropBrush), hostBackdropBrush }
};
// Get the noise brush using Win2D
IGraphicsEffect source = await AcrylicEffectHelper.ConcatenateEffectWithTintAndBorderAsync(compositor,
alphaBlend, sourceParameters, color, colorMix, canvas, uri, timeThreshold, reload);
// Make sure the Win2D brush was loaded correctly
CompositionEffectFactory factory = compositor.CreateEffectFactory(source);
// Create the effect factory and apply the final effect
CompositionEffectBrush effectBrush = factory.CreateBrush();
foreach (KeyValuePair <String, CompositionBrush> pair in sourceParameters)
{
effectBrush.SetSourceParameter(pair.Key, pair.Value);
}
// Create the sprite to display and add it to the visual tree
SpriteVisual sprite = compositor.CreateSpriteVisual();
sprite.Brush = effectBrush;
await AddToTreeAndBindSizeAsync(visual, element, sprite);
return(new AttachedStaticCompositionEffect <T>(element, sprite, disposeOnUnload));
}
public CanvasRenderTarget applyEdgeDetectionEffects(CanvasBitmap workingBitmap)
{
//CanvasBitmap workingBitmap = SelectWorkingBitmap(useOriginalBitmap);
if (workingBitmap != null)
{
int ww = (int)workingBitmap.SizeInPixels.Width;
int hh = (int)workingBitmap.SizeInPixels.Height;
//GrayscaleEffect grayscaleEffect = new GrayscaleEffect();
//grayscaleEffect.Source=canvasBitmap;
ContrastEffect contrastEffect = new ContrastEffect();
contrastEffect.Contrast = (float)edgeDetectionContrast;
contrastEffect.Source = workingBitmap;
ExposureEffect exposureEffect = new ExposureEffect();
exposureEffect.Source = contrastEffect;
exposureEffect.Exposure = (float)edgeDetectionExposure;
EdgeDetectionEffect edgeDetectionEffect = new EdgeDetectionEffect();
edgeDetectionEffect.Source = exposureEffect;
edgeDetectionEffect.Amount = (float)edgeDetectionAmount;
edgeDetectionEffect.BlurAmount = (float)edgeDetectionBlurAmount;
//edgeDetectionEffect.OverlayEdges = true;
//edgeDetectionEffect.Mode = EdgeDetectionEffectMode.Prewitt;
GrayscaleEffect grayscaleEffect = null;
if (edgeDetectionGrayscale)
{
grayscaleEffect = new GrayscaleEffect();
grayscaleEffect.Source = exposureEffect;
edgeDetectionEffect.Source = grayscaleEffect;
}
InvertEffect invertEdgeEffect = null;
if (edgeDetectionMaskInvert)
{
invertEdgeEffect = new InvertEffect();
invertEdgeEffect.Source = edgeDetectionEffect;
}
BlendEffect blendEffect = null;
if (edgeDetectionOverlayImage)
{
OpacityEffect opacityEffect = new OpacityEffect();
opacityEffect.Opacity = (float)edgeDetectionOverlayOpacity;
opacityEffect.Source = workingBitmap;
blendEffect = new BlendEffect();
blendEffect.Foreground = edgeDetectionEffect;
blendEffect.Background = opacityEffect;
if (edgeDetectionMaskInvert)
{
//blendEffect.Background = invertEdgeEffect;
//blendEffect.Foreground = opacityEffect;
InvertEffect invertOrgEffect = new InvertEffect();
invertOrgEffect.Source = opacityEffect;
blendEffect.Background = invertOrgEffect;
}
blendEffect.Mode = edgeDetectionBlendEffectMode;
}
//if (canvasRenderTarget != null)
// canvasRenderTarget.Dispose();
CanvasRenderTarget canvasRenderTarget = new CanvasRenderTarget(CanvasDevice.GetSharedDevice(), ww, hh, canvasBitmap.Dpi);
using (var session = canvasRenderTarget.CreateDrawingSession())
{
if (edgeDetectionOverlayImage)
{
session.DrawImage(blendEffect);
}
else
{
if (edgeDetectionMaskInvert)
{
session.DrawImage(invertEdgeEffect);
}
else
{
session.DrawImage(edgeDetectionEffect);
}
}
}
return(canvasRenderTarget);
}
return(null);
}