private Visual MakeImageVisualforFollower(Uri imageUri, Vector2 size)
{
//Load profile image into a CompositionImage
CompositionImage profileImage =
_compositor.DefaultGraphicsDevice.CreateImageFromUri(imageUri);
CompositionImage maskImage = _compositor.DefaultGraphicsDevice.CreateImageFromUri(new Uri("ms-appx:///Assets/CircularAlphaMaskInflated.png"));
CompositeEffect maskComposite = new Microsoft.Graphics.Canvas.Effects.CompositeEffect();
maskComposite.Sources.Add(new CompositionEffectSourceParameter("image"));
maskComposite.Sources.Add(new CompositionEffectSourceParameter("maskImage"));
maskComposite.Mode = Microsoft.Graphics.Canvas.CanvasComposite.DestinationIn;
maskComposite.Name = "Mask";
CompositionEffectFactory effectFactory = _compositor.CreateEffectFactory(maskComposite);
CompositionEffect maskEffect = effectFactory.CreateEffect();
maskEffect.SetSourceParameter("image", profileImage);
maskEffect.SetSourceParameter("maskImage", maskImage);
EffectVisual profileImageVisual = _compositor.CreateEffectVisual();
profileImageVisual.Effect = maskEffect;
profileImageVisual.Size = size;
return(profileImageVisual);
}
private void AddImageVisualForFollower(Uri imageUri, Vector3 offset, Vector2 size)
{
//Load profile image into a CompositionImage
CompositionImage profileImage =
_compositor.DefaultGraphicsDevice.CreateImageFromUri(imageUri);
CompositionImage maskImage = _compositor.DefaultGraphicsDevice.CreateImageFromUri(new Uri("ms-appx:///Assets/CircularAlphaMaskInflated.png"));
//Configure effect graph
CompositeEffect maskCompositEffectDescription = new Microsoft.Graphics.Canvas.Effects.CompositeEffect();
maskCompositEffectDescription.Sources.Add(new CompositionEffectSourceParameter("image"));
maskCompositEffectDescription.Sources.Add(new CompositionEffectSourceParameter("maskImage"));
maskCompositEffectDescription.Mode = Microsoft.Graphics.Canvas.CanvasComposite.DestinationIn;
maskCompositEffectDescription.Name = "Mask";
//Create an effect factory for the graph
CompositionEffectFactory effectFactory = _compositor.CreateEffectFactory(maskCompositEffectDescription);
//Create an instance of the effect and set source parameters
CompositionEffect maskEffect = effectFactory.CreateEffect();
maskEffect.SetSourceParameter("image", profileImage);
maskEffect.SetSourceParameter("maskImage", maskImage);
//Add main profile picture visual
EffectVisual profileImageVisual = _compositor.CreateEffectVisual();
profileImageVisual.Effect = maskEffect;
profileImageVisual.Size = size;
profileImageVisual.Offset = offset;
//Add ImageVisual to tree
_rootVisual.Children.InsertAtTop(profileImageVisual);
}
