private void OnLoaded(object sender, RoutedEventArgs e)
{
_compositor = ElementCompositionPreview.GetElementVisual(this).Compositor;
_generator = _compositor.CreateCompositionGenerator();
_backdropBrush = _compositor.CreateBackdropBrush();
_width = 300f;
_height = 300f;
_center = new Vector2(150f);
// Create the combined geometry
_ellipse1 = CanvasGeometry.CreateEllipse(_generator.Device, _width / 2, _height / 2, 0.45f * _width, 0.225f * _height);
_ellipse2 = CanvasGeometry.CreateEllipse(_generator.Device, _width / 2, _height / 2, 0.225f * _width, 0.45f * _height);
var combinedGeometry = _ellipse1.CombineWith(_ellipse2, Matrix3x2.Identity, CanvasGeometryCombine.Union);
_outerGeometry = CanvasObject.CreateSquircle(_generator.Device, 0, 0, _width, _height, _width, _height);
var excludedGeometry = _outerGeometry.CombineWith(combinedGeometry, Matrix3x2.Identity, CanvasGeometryCombine.Exclude);
// Create custom shaped visual using CompositionMaskBrush
_visual1 = _compositor.CreateSpriteVisual();
_visual1.Size = new Vector2(_width, _height);
_visual1.Offset = new Vector3(((RenderGrid1.ActualWidth - _width) / 2).ToSingle(),
((RenderGrid1.ActualHeight - _height) / 2).ToSingle(), 0);
_animatedMaskSurface = _generator.CreateMaskSurface(_visual1.Size.ToSize(), excludedGeometry);
// Create SurfaceBrush from CompositionMask
var mask = _compositor.CreateSurfaceBrush(_animatedMaskSurface);
var source = _compositor.CreateColorBrush(Color.FromArgb(255, 192, 0, 0));
// Create mask brush
var maskBrush = _compositor.CreateMaskBrush();
maskBrush.Mask = mask;
maskBrush.Source = source;
_visual1.Brush = maskBrush;
ElementCompositionPreview.SetElementChildVisual(RenderGrid1, _visual1);
// Create custom shaped visual using CompositionMaskBrush
_visual2 = _compositor.CreateSpriteVisual();
_visual2.Size = new Vector2(_width, _height);
_visual2.Brush =
_compositor.CreateMaskedBackdropBrush(_animatedMaskSurface, Colors.AntiqueWhite, 10, _backdropBrush);
_container = _compositor.CreateContainerVisual();
_container.Size = new Vector2(_width, _height);
_container.Offset = new Vector3(((RenderGrid2.ActualWidth - _width) / 2).ToSingle(),
((RenderGrid2.ActualHeight - _height) / 2).ToSingle(), 0);
var bgVisual = _compositor.CreateSpriteVisual();
bgVisual.Size = _container.Size * 0.6f;
bgVisual.Brush = _compositor.CreateColorBrush(Colors.Maroon);
bgVisual.Offset = new Vector3(_container.Size * 0.2f, 0);
_container.Children.InsertAtTop(bgVisual);
_container.Children.InsertAtTop(_visual2);
ElementCompositionPreview.SetElementChildVisual(RenderGrid2, _container);
}
private void OnLoaded(object sender, RoutedEventArgs e)
{
_compositor = ElementCompositionPreview.GetElementVisual(this).Compositor;
_generator = CompositionGeneratorFactory.GetCompositionGenerator(_compositor);
_width = 300f;
_height = 300f;
// Create the combined geometry
var ellipse1 = CanvasGeometry.CreateEllipse(_generator.Device, _width / 2, _height / 2, 0.45f * _width, 0.225f * _height);
var ellipse2 = CanvasGeometry.CreateEllipse(_generator.Device, _width / 2, _height / 2, 0.225f * _width, 0.45f * _height);
_combinedGeometry = ellipse1.CombineWith(ellipse2, Matrix3x2.Identity, CanvasGeometryCombine.Union);
// Create custom shaped visual using CompositionMaskBrush
_visual1 = _compositor.CreateSpriteVisual();
_visual1.Size = new Vector2(_width, _height);
_visual1.Offset = new Vector3(((CompositionGrid1.ActualWidth - _width) / 2).Single(),
((CompositionGrid1.ActualHeight - _height) / 2).Single(), 0);
var visualChild = _compositor.CreateSpriteVisual();
visualChild.Size = new Vector2(_width * 0.75f, _height * 0.75f);
visualChild.Offset = new Vector3(_width * 0.125f, _height * 0.125f, 0);
_visual1.Children.InsertAtTop(visualChild);
// Create the CompositionMask
var compositionMask = _generator.CreateMaskSurface(_visual1.Size.ToSize(), _combinedGeometry);
// Create SurfaceBrush from CompositionMask
var mask = _compositor.CreateSurfaceBrush(compositionMask.Surface);
var source = _compositor.CreateColorBrush(Color.FromArgb(255, 0, 173, 239));
// Create mask brush
var maskBrush = _compositor.CreateMaskBrush();
maskBrush.Mask = mask;
maskBrush.Source = source;
_visual1.Brush = maskBrush;
ElementCompositionPreview.SetElementChildVisual(CompositionGrid1, _visual1);
// Create custom shaped visual using CompositionMaskBrush
_visual2 = _compositor.CreateSpriteVisual();
_visual2.Size = new Vector2(_width, _height);
_visual2.Offset = new Vector3(((CompositionGrid2.ActualWidth - _width) / 2).Single(),
((CompositionGrid2.ActualHeight - _height) / 2).Single(), 0);
// Create the CompositionMask filled with color
var compositionMask2 =
_generator.CreateGeometrySurface(_visual2.Size.ToSize(), _combinedGeometry, Color.FromArgb(192, 192, 0, 0));
// Create SurfaceBrush from CompositionMask
var surfaceBrush = _compositor.CreateSurfaceBrush(compositionMask2.Surface);
_visual2.Brush = surfaceBrush;
ElementCompositionPreview.SetElementChildVisual(CompositionGrid2, _visual2);
// Initialize the visuals for the Animated Canvas
// Create the container to host the visuals
var container = _compositor.CreateContainerVisual();
container.Size = new Vector2(CompositionGrid3.ActualWidth.Single(), CompositionGrid3.ActualHeight.Single());
// Background Visual
_bgVisual = _compositor.CreateSpriteVisual();
_bgVisual.Size = new Vector2(_width, _height);
_bgVisual.Offset = new Vector3(((CompositionGrid3.ActualWidth - _width) / 2).Single(),
((CompositionGrid3.ActualHeight - _height) / 2).Single(), 0);
var radians = ((45f * Math.PI) / 180).Single();
var bgGeometry = _combinedGeometry.Transform(Matrix3x2.CreateRotation(radians, new Vector2(_width / 2, _height / 2)));
var bgMask = _generator.CreateGeometrySurface(_bgVisual.Size.ToSize(), bgGeometry, Color.FromArgb(255, 0, 173, 239));
var bgBrush = _compositor.CreateSurfaceBrush(bgMask.Surface);
_bgVisual.Brush = bgBrush;
container.Children.InsertAtBottom(_bgVisual);
// Animated Visual
_animatedVisual = _compositor.CreateSpriteVisual();
_animatedVisual.Size = new Vector2(_width, _height);
_animatedVisual.Offset = new Vector3(((CompositionGrid3.ActualWidth - _width) / 2).Single(),
((CompositionGrid3.ActualHeight - _height) / 2).Single(), 0);
// Create the Excluded geometry
_outerGeometry = CanvasGeometry.CreateRectangle(_generator.Device, 0, 0, _width, _height);
var excludedGeometry = _outerGeometry.CombineWith(_combinedGeometry, Matrix3x2.Identity, CanvasGeometryCombine.Exclude);
// Create the CompositionMask
_animatedMaskSurface = _generator.CreateGeometrySurface(_animatedVisual.Size.ToSize(), excludedGeometry, Color.FromArgb(192, 192, 0, 0));
var animBrush = _compositor.CreateSurfaceBrush(_animatedMaskSurface.Surface);
_animatedVisual.Brush = animBrush;
container.Children.InsertAtTop(_animatedVisual);
ElementCompositionPreview.SetElementChildVisual(CompositionGrid3, container);
}
private void OnLoaded(object sender, RoutedEventArgs e)
{
_compositor = ElementCompositionPreview.GetElementVisual(this).Compositor;
_generator = _compositor.CreateCompositionGenerator();
_backdropBrush = _compositor.CreateBackdropBrush();
_width = 300f;
_height = 300f;
// Create the combined geometry
var ellipse1 = CanvasGeometry.CreateEllipse(_generator.Device, _width / 2, _height / 2, 0.45f * _width, 0.225f * _height);
var ellipse2 = CanvasGeometry.CreateEllipse(_generator.Device, _width / 2, _height / 2, 0.225f * _width, 0.45f * _height);
_combinedGeometry = ellipse1.CombineWith(ellipse2, Matrix3x2.Identity, CanvasGeometryCombine.Union);
// Create the container to host the visuals
var container1 = _compositor.CreateContainerVisual();
container1.Size = new Vector2(CompositionGrid1.ActualWidth.ToSingle(), CompositionGrid1.ActualHeight.ToSingle());
var parentVisual = _compositor.CreateSpriteVisual();
parentVisual.Size = new Vector2(_width, _height);
parentVisual.Offset = new Vector3(((CompositionGrid1.ActualWidth - _width) / 2).ToSingle(),
((CompositionGrid1.ActualHeight - _height) / 2).ToSingle(), 0);
// Background Visual
_bgVisual1 = _compositor.CreateSpriteVisual();
_bgVisual1.Size = new Vector2(_width * 0.5f, _height * 0.5f);
_bgVisual1.Offset = new Vector3(((parentVisual.Size.X - _width * 0.5f) / 2f),
((parentVisual.Size.Y - _height * 0.5f) / 2f), 0f);
//_bgVisual1.Brush = _compositor.CreateColorBrush(Colors.DarkOrange);
// Create the CompositionMask
var gaussianMask = _generator.CreateGaussianMaskSurface();
// Create SurfaceBrush from CompositionMask
var mask = _compositor.CreateSurfaceBrush(gaussianMask.Surface);
//mask = ((CompositionBrush)_compositor.CreateGaussianMaskedBackdropBrush(gaussianMask, Colors.AntiqueWhite, 10, _backdropBrush));
var source = _compositor.CreateColorBrush(Colors.DarkOrange);
// Create mask brush
var maskBrush = _compositor.CreateMaskBrush();
maskBrush.Mask = mask;
maskBrush.Source = source;
_bgVisual1.Brush = maskBrush;
parentVisual.Children.InsertAtBottom(_bgVisual1);
// Create custom shaped visual using CompositionMaskBrush
_visual1 = _compositor.CreateSpriteVisual();
_visual1.Size = new Vector2(_width, _height);
//_visual1.Offset = new Vector3(((CompositionGrid1.ActualWidth - _width) / 2).ToSingle(),
// ((CompositionGrid1.ActualHeight - _height) / 2).ToSingle(), 0);
// Create the CompositionMask
var ellipseGeometry = CanvasGeometry.CreateEllipse(_generator.Device, _width / 2, _height / 2, 0.4f * _width, 0.4f * _height);
var rectGeometry = CanvasGeometry.CreateRectangle(_generator.Device, 50, 50, _width - 50, _height - 50);
var compositionMask = _generator.CreateGaussianMaskSurface(_visual1.Size.ToSize(), ellipseGeometry, new Vector2(20), 20);
// Create Masked BackdropBrush from CompositionMask
_visual1.Brush = _compositor.CreateGaussianMaskedBackdropBrush(compositionMask, Colors.Transparent, 20f, _backdropBrush);
parentVisual.Children.InsertAtTop(_visual1);
var visual = _compositor.CreateSpriteVisual();
visual.Size = new Vector2(400, 400);
visual.Offset = new Vector3(((3 * CompositionGrid1.ActualWidth / 4f) - (_width / 2)).ToSingle(),
((3 * CompositionGrid1.ActualHeight / 4f) - (_height / 2)).ToSingle(), 0);
var roundRectGeometry = CanvasObject.CreateSquircle(_generator.Device, 0, 0, _width, _height, _width / 8f, _height / 8f);
var maskSurface = _generator.CreateMaskSurface(visual.Size.ToSize(), roundRectGeometry);
var frostedBrush = _compositor.CreateFrostedGlassBrush(maskSurface, Colors.DarkGray, 30f, _backdropBrush);
var shadow = _compositor.CreateDropShadow();
shadow.Opacity = 0.5f;
shadow.Color = Colors.Black;
shadow.Offset = new Vector3(10, 10, 0);
shadow.BlurRadius = 15;
shadow.Mask = frostedBrush.GetSourceParameter("mask");
visual.Brush = frostedBrush;
visual.Shadow = shadow;
container1.Children.InsertAtTop(visual);
ElementCompositionPreview.SetElementChildVisual(CompositionGrid1, parentVisual);
// Initialize the visuals for the Animated Canvas
// Create the container to host the visuals
var container2 = _compositor.CreateContainerVisual();
container2.Size = new Vector2(CompositionGrid2.ActualWidth.ToSingle(), CompositionGrid2.ActualHeight.ToSingle());
// Background Visual
_bgVisual2 = _compositor.CreateSpriteVisual();
_bgVisual2.Size = new Vector2(_width * Factor, _height * Factor);
_bgVisual2.Offset = new Vector3(((CompositionGrid2.ActualWidth - (_width * Factor)) / 2).ToSingle(),
((CompositionGrid2.ActualHeight - (_height * Factor)) / 2).ToSingle(), 0);
//var radians = ((45f * Math.PI) / 180).ToSingle();
//var bgGeometry = _combinedGeometry.Transform(Matrix3x2.CreateRotation(radians, new Vector2(_width / 2, _height / 2)));
//var bgMask = await _generator.CreateMaskAsync(_bgVisual2.Size.ToSize(), bgGeometry, Colors.DarkRed);
//_bgVisual2.Brush = _compositor.CreateSurfaceBrush(bgMask.Surface);
_bgVisual2.Brush = _compositor.CreateColorBrush(Colors.LawnGreen);
container2.Children.InsertAtBottom(_bgVisual2);
// Animated Visual
_animatedVisual = _compositor.CreateSpriteVisual();
_animatedVisual.Size = new Vector2(_width, _height);
_animatedVisual.Offset = new Vector3(((CompositionGrid2.ActualWidth - _width) / 2).ToSingle(),
((CompositionGrid2.ActualHeight - _height) / 2).ToSingle(), 0);
// Create the Excluded geometry
_outerGeometry = CanvasObject.CreateSquircle(_generator.Device, 0, 0, _width, _height, _width / 8f, _height / 8f);
var excludedGeometry = _outerGeometry.CombineWith(_combinedGeometry, Matrix3x2.Identity, CanvasGeometryCombine.Exclude);
// Create the CompositionMask
_animatedCompositionMask = _generator.CreateMaskSurface(_animatedVisual.Size.ToSize(), excludedGeometry);
var animBrush = _compositor.CreateMaskedBackdropBrush(_animatedCompositionMask, Colors.AntiqueWhite, 10f, _backdropBrush);
_animatedVisual.Brush = animBrush;
container2.Children.InsertAtTop(_animatedVisual);
ElementCompositionPreview.SetElementChildVisual(CompositionGrid2, container2);
}
private void OnLoaded(object sender, RoutedEventArgs e)
{
_compositor = ElementCompositionPreview.GetElementVisual(this).Compositor;
_generator = CompositionGeneratorFactory.GetCompositionGenerator(_compositor);
_width = 300f;
_height = 300f;
// Create the combined geometry
var ellipse1 = CanvasGeometry.CreateEllipse(_generator.Device, _width / 2, _height / 2, 0.45f * _width, 0.225f * _height);
var ellipse2 = CanvasGeometry.CreateEllipse(_generator.Device, _width / 2, _height / 2, 0.225f * _width, 0.45f * _height);
_combinedGeometry = ellipse1.CombineWith(ellipse2, Matrix3x2.Identity, CanvasGeometryCombine.Union);
// Create custom shaped visual using CompositionMaskBrush
_visual1 = _compositor.CreateSpriteVisual();
_visual1.Size = new Vector2(_width, _height);
_visual1.Offset = new Vector3(((CompositionGrid1.ActualWidth - _width) / 2).Single(),
((CompositionGrid1.ActualHeight - _height) / 2).Single(), 0);
var visualChild = _compositor.CreateSpriteVisual();
visualChild.Size = new Vector2(_width * 0.75f, _height * 0.75f);
visualChild.Offset = new Vector3(_width*0.125f, _height*0.125f, 0);
_visual1.Children.InsertAtTop(visualChild);
// Create the CompositionMask
var compositionMask = _generator.CreateMaskSurface(_visual1.Size.ToSize(), _combinedGeometry);
// Create SurfaceBrush from CompositionMask
var mask = _compositor.CreateSurfaceBrush(compositionMask.Surface);
var source = _compositor.CreateColorBrush(Color.FromArgb(255, 0, 173, 239));
// Create mask brush
var maskBrush = _compositor.CreateMaskBrush();
maskBrush.Mask = mask;
maskBrush.Source = source;
_visual1.Brush = maskBrush;
ElementCompositionPreview.SetElementChildVisual(CompositionGrid1, _visual1);
// Create custom shaped visual using CompositionMaskBrush
_visual2 = _compositor.CreateSpriteVisual();
_visual2.Size = new Vector2(_width, _height);
_visual2.Offset = new Vector3(((CompositionGrid2.ActualWidth - _width) / 2).Single(),
((CompositionGrid2.ActualHeight - _height) / 2).Single(), 0);
// Create the CompositionMask filled with color
var compositionMask2 =
_generator.CreateGeometrySurface(_visual2.Size.ToSize(), _combinedGeometry, Color.FromArgb(192, 192, 0, 0));
// Create SurfaceBrush from CompositionMask
var surfaceBrush = _compositor.CreateSurfaceBrush(compositionMask2.Surface);
_visual2.Brush = surfaceBrush;
ElementCompositionPreview.SetElementChildVisual(CompositionGrid2, _visual2);
// Initialize the visuals for the Animated Canvas
// Create the container to host the visuals
var container = _compositor.CreateContainerVisual();
container.Size = new Vector2(CompositionGrid3.ActualWidth.Single(), CompositionGrid3.ActualHeight.Single());
// Background Visual
_bgVisual = _compositor.CreateSpriteVisual();
_bgVisual.Size = new Vector2(_width, _height);
_bgVisual.Offset = new Vector3(((CompositionGrid3.ActualWidth - _width) / 2).Single(),
((CompositionGrid3.ActualHeight - _height) / 2).Single(), 0);
var radians = ((45f*Math.PI)/180).Single();
var bgGeometry = _combinedGeometry.Transform(Matrix3x2.CreateRotation(radians, new Vector2(_width/2, _height/2)));
var bgMask = _generator.CreateGeometrySurface(_bgVisual.Size.ToSize(), bgGeometry, Color.FromArgb(255, 0, 173, 239));
var bgBrush = _compositor.CreateSurfaceBrush(bgMask.Surface);
_bgVisual.Brush = bgBrush;
container.Children.InsertAtBottom(_bgVisual);
// Animated Visual
_animatedVisual = _compositor.CreateSpriteVisual();
_animatedVisual.Size = new Vector2(_width, _height);
_animatedVisual.Offset = new Vector3(((CompositionGrid3.ActualWidth - _width) / 2).Single(),
((CompositionGrid3.ActualHeight - _height) / 2).Single(), 0);
// Create the Excluded geometry
_outerGeometry = CanvasGeometry.CreateRectangle(_generator.Device, 0, 0, _width, _height);
var excludedGeometry = _outerGeometry.CombineWith(_combinedGeometry, Matrix3x2.Identity, CanvasGeometryCombine.Exclude);
// Create the CompositionMask
_animatedMaskSurface = _generator.CreateGeometrySurface(_animatedVisual.Size.ToSize(), excludedGeometry, Color.FromArgb(192, 192, 0, 0));
var animBrush = _compositor.CreateSurfaceBrush(_animatedMaskSurface.Surface);
_animatedVisual.Brush = animBrush;
container.Children.InsertAtTop(_animatedVisual);
ElementCompositionPreview.SetElementChildVisual(CompositionGrid3, container);
}
/// <summary>
/// Initializes the Composition elements
/// </summary>
private void InitComposition()
{
// Compositor
_compositor = ElementCompositionPreview.GetElementVisual(this).Compositor;
// CompositionGenerator
_generator = CompositionGeneratorFactory.GetCompositionGenerator(_compositor);
// Fade Out Animation
_fadeOutAnimation = _compositor.CreateScalarKeyFrameAnimation();
_fadeOutAnimation.InsertKeyFrame(1f, 0);
_fadeOutAnimation.Duration = TransitionDuration;
// Fade In Animation
_fadeInAnimation = _compositor.CreateScalarKeyFrameAnimation();
_fadeInAnimation.InsertKeyFrame(1f, 1);
_fadeInAnimation.Duration = TransitionDuration;
// Color Animation
_colorAnimation = _compositor.CreateColorKeyFrameAnimation();
_colorAnimation.Duration = TransitionDuration;
// Offset Animation
_offsetAnimation = _compositor.CreateVector3KeyFrameAnimation();
_offsetAnimation.Target = "Offset";
_offsetAnimation.Duration = TransitionDuration;
_offsetAnimation.InsertKeyFrame(1f, Vector3.Zero);
// Alignment animations
_alignXAnimation = _compositor.CreateScalarKeyFrameAnimation();
_alignXAnimation.Duration = AlignmentTransitionDuration;
_alignYAnimation = _compositor.CreateScalarKeyFrameAnimation();
_alignYAnimation.Duration = AlignmentTransitionDuration;
// ZoomIn Animation Group
_scaleAnimation = _compositor.CreateVector3KeyFrameAnimation();
_scaleAnimation.Target = "Scale";
_scaleAnimation.InsertKeyFrame(1f, Vector3.One);
_scaleAnimation.Duration = TransitionDuration;
_zoomInAnimationGroup = _compositor.CreateAnimationGroup();
_zoomInAnimationGroup.Add(_scaleAnimation);
_zoomInAnimationGroup.Add(_offsetAnimation);
// Visuals
_rootContainer = _compositor.CreateContainerVisual();
_frameLayer = _compositor.CreateLayerVisual();
_frameBackgroundVisual = _compositor.CreateSpriteVisual();
_frameContentVisual = _compositor.CreateSpriteVisual();
_placeholderContentVisual = _compositor.CreateSpriteVisual();
_placeholderBackgroundVisual = _compositor.CreateSpriteVisual();
_nextVisualContent = _compositor.CreateSpriteVisual();
_frameLayer.Children.InsertAtTop(_frameBackgroundVisual);
_frameLayer.Children.InsertAtTop(_frameContentVisual);
_frameLayer.Children.InsertAtTop(_placeholderBackgroundVisual);
_frameLayer.Children.InsertAtTop(_placeholderContentVisual);
_frameLayer.Children.InsertAtTop(_nextVisualContent);
// Placeholder content
_placeholderContentMask = _generator.CreateGeometrySurface(PlaceholderSize, GetPlaceHolderGeometry(),
PlaceholderColor, PlaceholderBackground);
_placeholderContentBrush = _compositor.CreateSurfaceBrush(_placeholderContentMask.Surface);
_placeholderContentVisual.Brush = _placeholderContentBrush;
// Placeholder background
_placeholderBackgroundVisual.Brush = _compositor.CreateColorBrush(PlaceholderBackground);
// By default placeholder visual will not be visible
HidePlaceholder();
// Shadow visual
_shadowVisual = _compositor.CreateSpriteVisual();
_rootContainer.Children.InsertAtBottom(_shadowVisual);
_rootContainer.Children.InsertAtTop(_frameLayer);
_frameBackgroundVisual.Brush = _compositor.CreateColorBrush(FrameBackground);
// Create the effect to create the opacity mask
var layerEffect = new CompositeEffect
{
// CanvasComposite.DestinationIn - Intersection of source and mask.
// Equation: O = MA * S
// where O - Output pixel, MA - Mask Alpha, S - Source pixel.
Mode = CanvasComposite.DestinationIn,
Sources =
{
new CompositionEffectSourceParameter("source"),
new CompositionEffectSourceParameter("mask")
}
};
var layerEffectFactory = _compositor.CreateEffectFactory(layerEffect);
_layerEffectBrush = layerEffectFactory.CreateBrush();
// The mask for the imageFrame
_frameLayerMask = _generator.CreateMaskSurface(new Size(0, 0), null);
_layerEffectBrush.SetSourceParameter("mask", _compositor.CreateSurfaceBrush(_frameLayerMask.Surface));
// Apply the mask effect to the frameLayer
_frameLayer.Effect = _layerEffectBrush;
ElementCompositionPreview.SetElementChildVisual(this, _rootContainer);
}
private async void OnLoaded(object sender, RoutedEventArgs e)
{
_compositor = ElementCompositionPreview.GetElementVisual(this).Compositor;
_generator = CompositionGeneratorFactory.GetCompositionGenerator(_compositor);
_backdropBrush = _compositor.CreateBackdropBrush();
_width = 300f;
_height = 300f;
// Create the combined geometry
var ellipse1 = CanvasGeometry.CreateEllipse(_generator.Device, _width / 2, _height / 2, 0.45f * _width, 0.225f * _height);
var ellipse2 = CanvasGeometry.CreateEllipse(_generator.Device, _width / 2, _height / 2, 0.225f * _width, 0.45f * _height);
_combinedGeometry = ellipse1.CombineWith(ellipse2, Matrix3x2.Identity, CanvasGeometryCombine.Union);
// Create the container to host the visuals
var container1 = _compositor.CreateContainerVisual();
container1.Size = new Vector2(CompositionGrid1.ActualWidth.Single(), CompositionGrid1.ActualHeight.Single());
// Background Visual
_bgVisual1 = _compositor.CreateSpriteVisual();
_bgVisual1.Size = new Vector2(_width * 0.45f, _height * 0.45f);
_bgVisual1.Offset = new Vector3(((CompositionGrid1.ActualWidth - _width) / 2).Single(),
((CompositionGrid1.ActualHeight - _height) / 2).Single(), 0);
_bgVisual1.Brush = _compositor.CreateColorBrush(Colors.DarkOrange);
container1.Children.InsertAtBottom(_bgVisual1);
// Create custom shaped visual using CompositionMaskBrush
_visual1 = _compositor.CreateSpriteVisual();
_visual1.Size = new Vector2(_width, _height);
_visual1.Offset = new Vector3(((CompositionGrid1.ActualWidth - _width) / 2).Single(),
((CompositionGrid1.ActualHeight - _height) / 2).Single(), 0);
// Create the CompositionMask
var ellipseGeometry = CanvasGeometry.CreateEllipse(_generator.Device, _width / 2, _height / 2, 0.4f * _width, 0.4f * _height);
var compositionMask = _generator.CreateMaskSurface(_visual1.Size.ToSize(), ellipseGeometry);
// Create Masked BackdropBrush from CompositionMask
_visual1.Brush = _compositor.CreateMaskedBackdropBrush(compositionMask, Colors.AntiqueWhite, 30f, _backdropBrush);
container1.Children.InsertAtTop(_visual1);
var visual = _compositor.CreateSpriteVisual();
visual.Size = new Vector2(400, 400);
visual.Offset = new Vector3(((3 * CompositionGrid1.ActualWidth / 4f) - (_width / 2)).Single(),
((3 * CompositionGrid1.ActualHeight / 4f) - (_height / 2)).Single(), 0);
var roundRectGeometry = CanvasGeometry.CreateRoundedRectangle(_generator.Device, 0, 0, _width, _height, 25, 25);
var maskSurface = _generator.CreateMaskSurface(visual.Size.ToSize(), roundRectGeometry);
var frostedBrush = _compositor.CreateFrostedGlassBrush(maskSurface, Colors.AntiqueWhite, 30f, _backdropBrush);
var shadow = _compositor.CreateDropShadow();
shadow.Opacity = 0.5f;
shadow.Color = Colors.Black;
shadow.Offset = new Vector3(10, 10, 0);
shadow.BlurRadius = 15;
shadow.Mask = frostedBrush.GetSourceParameter("mask");
visual.Brush = frostedBrush;
visual.Shadow = shadow;
container1.Children.InsertAtTop(visual);
ElementCompositionPreview.SetElementChildVisual(CompositionGrid1, container1);
// Initialize the visuals for the Animated Canvas
// Create the container to host the visuals
var container2 = _compositor.CreateContainerVisual();
container2.Size = new Vector2(CompositionGrid2.ActualWidth.Single(), CompositionGrid2.ActualHeight.Single());
// Background Visual
_bgVisual2 = _compositor.CreateSpriteVisual();
_bgVisual2.Size = new Vector2(_width * Factor, _height * Factor);
_bgVisual2.Offset = new Vector3(((CompositionGrid2.ActualWidth - (_width * Factor)) / 2).Single(),
((CompositionGrid2.ActualHeight - (_height * Factor)) / 2).Single(), 0);
//var radians = ((45f * Math.PI) / 180).Single();
//var bgGeometry = _combinedGeometry.Transform(Matrix3x2.CreateRotation(radians, new Vector2(_width / 2, _height / 2)));
//var bgMask = await _generator.CreateMaskAsync(_bgVisual2.Size.ToSize(), bgGeometry, Colors.DarkRed);
//_bgVisual2.Brush = _compositor.CreateSurfaceBrush(bgMask.Surface);
_bgVisual2.Brush = _compositor.CreateColorBrush(Colors.LawnGreen);
container2.Children.InsertAtBottom(_bgVisual2);
// Animated Visual
_animatedVisual = _compositor.CreateSpriteVisual();
_animatedVisual.Size = new Vector2(_width, _height);
_animatedVisual.Offset = new Vector3(((CompositionGrid2.ActualWidth - _width) / 2).Single(),
((CompositionGrid2.ActualHeight - _height) / 2).Single(), 0);
// Create the Excluded geometry
_outerGeometry = CanvasGeometry.CreateRectangle(_generator.Device, 0, 0, _width, _height);
var excludedGeometry = _outerGeometry.CombineWith(_combinedGeometry, Matrix3x2.Identity, CanvasGeometryCombine.Exclude);
// Create the CompositionMask
_animatedCompositionMask = _generator.CreateMaskSurface(_animatedVisual.Size.ToSize(), excludedGeometry);
var animBrush = _compositor.CreateMaskedBackdropBrush(_animatedCompositionMask, Colors.AntiqueWhite, 10f, _backdropBrush);
_animatedVisual.Brush = animBrush;
container2.Children.InsertAtTop(_animatedVisual);
ElementCompositionPreview.SetElementChildVisual(CompositionGrid2, container2);
}
