private void SamplePage_Loaded(object sender, Windows.UI.Xaml.RoutedEventArgs e) { // Get backing visual from shadow container and interop compositor _shadowContainer = ElementCompositionPreview.GetElementVisual(ShadowContainer); _compositor = _shadowContainer.Compositor; // Get CompositionImage, its sprite visual _image = VisualTreeHelperExtensions.GetFirstDescendantOfType <CompositionImage>(ShadowContainer); _imageVisual = _image.SpriteVisual; // Load mask asset onto surface using helpers in SamplesCommon _imageLoader = ImageLoaderFactory.CreateImageLoader(_compositor); _imageMaskSurface = _imageLoader.CreateManagedSurfaceFromUri(new Uri("ms-appx:///Assets/CircleMask.png")); // Create surface brush for mask CompositionSurfaceBrush mask = _compositor.CreateSurfaceBrush(); mask.Surface = _imageMaskSurface.Surface; // Get surface brush from composition image CompositionSurfaceBrush source = _image.SurfaceBrush as CompositionSurfaceBrush; // Create mask brush for toggle mask functionality _maskBrush = _compositor.CreateMaskBrush(); _maskBrush.Mask = mask; _maskBrush.Source = source; // Initialize toggle mask _isMaskEnabled = false; }
/// <summary> /// Creates the circle used in the circle brush if not already created. /// </summary> private void EnsureCircleBrush() { if (_circleBrush == null) { _imageLoader = ImageLoaderFactory.CreateImageLoader(_compositor); _circleSurface = _imageLoader.CreateManagedSurfaceFromUri(new Uri(CircleImagePath)); _circleBrush = _compositor.CreateSurfaceBrush(_circleSurface.Surface); } }
/// <summary> /// Creates an instance of the ColorBloomTransitionHelper. /// Any visuals to be later created and animated will be hosted within the specified UIElement. /// </summary> public ColorBloomTransitionHelper(UIElement hostForVisual) { this.hostForVisual = hostForVisual; // we have an element in the XAML tree that will host our Visuals var visual = ElementCompositionPreview.GetElementVisual(hostForVisual); _compositor = visual.Compositor; // create a container // adding children to this container adds them to the live visual tree _containerForVisuals = _compositor.CreateContainerVisual(); ElementCompositionPreview.SetElementChildVisual(hostForVisual, _containerForVisuals); // initialize the ImageLoader and create the circle mask _imageLoader = ImageLoaderFactory.CreateImageLoader(_compositor); _circleMaskSurface = _imageLoader.CreateManagedSurfaceFromUri(new Uri("ms-appx:///Samples/SDK 10586/TransitionAnimation-ColorBloom/CircleOpacityMask.png")); }
/// <summary> /// Creates an instance of the ColorBloomTransitionHelper. /// Any visuals to be later created and animated will be hosted within the specified UIElement. /// </summary> public ColorBloomTransitionHelper(UIElement hostForVisual) { this.hostForVisual = hostForVisual; // we have an element in the XAML tree that will host our Visuals var visual = ElementCompositionPreview.GetElementVisual(hostForVisual); _compositor = visual.Compositor; // create a container // adding children to this container adds them to the live visual tree _containerForVisuals = _compositor.CreateContainerVisual(); ElementCompositionPreview.SetElementChildVisual(hostForVisual, _containerForVisuals); // initialize the ImageLoader and create the circle mask _imageLoader = ImageLoaderFactory.CreateImageLoader(_compositor); _circleMaskSurface = _imageLoader.CreateManagedSurfaceFromUri(new Uri("ms-appx:///Assets/CircleOpacityMask.png")); }
private void SamplePage_Loaded(object sender, Windows.UI.Xaml.RoutedEventArgs e) { // Get backing visual from shadow container and interop compositor _shadowContainer = ElementCompositionPreview.GetElementVisual(ShadowContainer); _compositor = _shadowContainer.Compositor; // Get CompositionImage, its sprite visual _image = VisualTreeHelperExtensions.GetFirstDescendantOfType <CompositionImage>(ShadowContainer); _imageVisual = _image.SpriteVisual; // Add drop shadow to image visual _shadow = _compositor.CreateDropShadow(); _imageVisual.Shadow = _shadow; // Initialize sliders to shadow defaults - with the exception of offset BlurRadiusSlider.Value = _shadow.BlurRadius; //defaults to 9.0f OffsetXSlider.Value = _shadow.Offset.X; //defaults to 0 OffsetYSlider.Value = _shadow.Offset.Y; //defaults to 0 RedSlider.Value = _shadow.Color.R; //defaults to 0 (black.R) GreenSlider.Value = _shadow.Color.G; //defaults to 0 (black.G) BlueSlider.Value = _shadow.Color.B; //defaults to 0 (black.B) // Load mask asset onto surface using helpers in SamplesCommon _imageLoader = ImageLoaderFactory.CreateImageLoader(_compositor); _imageMaskSurface = _imageLoader.CreateManagedSurfaceFromUri(new Uri("ms-appx:///Assets/CircleMask.png")); // Create surface brush for mask CompositionSurfaceBrush mask = _compositor.CreateSurfaceBrush(); mask.Surface = _imageMaskSurface.Surface; // Get surface brush from composition image CompositionSurfaceBrush source = _image.SurfaceBrush as CompositionSurfaceBrush; // Create mask brush for toggle mask functionality _maskBrush = _compositor.CreateMaskBrush(); _maskBrush.Mask = mask; _maskBrush.Source = source; // Initialize toggle mask and animation to false _isMaskEnabled = false; _isAnimationEnabled = false; }
private void SamplePage_Loaded(object sender, Windows.UI.Xaml.RoutedEventArgs e) { // Get backing visual from shadow container and interop compositor _shadowContainer = ElementCompositionPreview.GetElementVisual(ShadowContainer); _compositor = _shadowContainer.Compositor; // Get CompositionImage, its sprite visual _image = VisualTreeHelperExtensions.GetFirstDescendantOfType<CompositionImage>(ShadowContainer); _imageVisual = _image.SpriteVisual; // Add drop shadow to image visual _shadow = _compositor.CreateDropShadow(); _imageVisual.Shadow = _shadow; // Initialize sliders to shadow defaults - with the exception of offset BlurRadiusSlider.Value = _shadow.BlurRadius; //defaults to 9.0f OffsetXSlider.Value = _shadow.Offset.X; //defaults to 0 OffsetYSlider.Value = _shadow.Offset.Y; //defaults to 0 RedSlider.Value = _shadow.Color.R; //defaults to 0 (black.R) GreenSlider.Value = _shadow.Color.G; //defaults to 0 (black.G) BlueSlider.Value = _shadow.Color.B; //defaults to 0 (black.B) // Load mask asset onto surface using helpers in SamplesCommon _imageLoader = ImageLoaderFactory.CreateImageLoader(_compositor); _imageMaskSurface = _imageLoader.CreateManagedSurfaceFromUri(new Uri("ms-appx:///Assets/CircleMask.png")); // Create surface brush for mask CompositionSurfaceBrush mask = _compositor.CreateSurfaceBrush(); mask.Surface = _imageMaskSurface.Surface; // Get surface brush from composition image CompositionSurfaceBrush source = _image.SurfaceBrush as CompositionSurfaceBrush; // Create mask brush for toggle mask functionality _maskBrush = _compositor.CreateMaskBrush(); _maskBrush.Mask = mask; _maskBrush.Source = source; // Initialize toggle mask and animation to false _isMaskEnabled = false; _isAnimationEnabled = false; }
/// <summary> /// Creates the circle used in the circle brush if not already created. /// </summary> private void EnsureCircleBrush() { if (_circleBrush == null) { _imageLoader = ImageLoaderFactory.CreateImageLoader(_compositor); _circleSurface = _imageLoader.CreateManagedSurfaceFromUri(new Uri(CircleImagePath)); _circleBrush = _compositor.CreateSurfaceBrush(_circleSurface.Surface); } }
private void SamplePage_Loaded(object sender, Windows.UI.Xaml.RoutedEventArgs e) { Compositor compositor = ElementCompositionPreview.GetElementVisual(MyGrid).Compositor; IImageLoader imageLoader = ImageLoaderFactory.CreateImageLoader(compositor); ContainerVisual container = compositor.CreateContainerVisual(); ElementCompositionPreview.SetElementChildVisual(MyGrid, container); // // Create a couple of SurfaceBrushes for the orbiters and center // CompositionSurfaceBrush redBrush = compositor.CreateSurfaceBrush(); _redBallSurface = imageLoader.CreateManagedSurfaceFromUri(new Uri("ms-appx:///Samples/SDK 10586/PropertySets/RedBall.png")); redBrush.Surface = _redBallSurface.Surface; CompositionSurfaceBrush blueBrush = compositor.CreateSurfaceBrush(); _blueBallSurface = imageLoader.CreateManagedSurfaceFromUri(new Uri("ms-appx:///Samples/SDK 10586/PropertySets/BlueBall.png")); blueBrush.Surface = _blueBallSurface.Surface; // // Create the center and orbiting sprites // SpriteVisual redSprite = compositor.CreateSpriteVisual(); redSprite.Brush = redBrush; redSprite.Size = new Vector2(100f, 100f); redSprite.Offset = new Vector3(200f, 200f, 0f); container.Children.InsertAtTop(redSprite); SpriteVisual blueSprite = compositor.CreateSpriteVisual(); blueSprite.Brush = blueBrush; blueSprite.Size = new Vector2(25f, 25f); blueSprite.Offset = new Vector3(0f, 0f, 0f); container.Children.InsertAtTop(blueSprite); // // Create the expression. This expression positions the orbiting sprite relative to the center of // of the red sprite's center. As we animate the red sprite's position, the expression will read // the current value of it's offset and keep the blue sprite locked in orbit. // ExpressionAnimation expressionAnimation = compositor.CreateExpressionAnimation("visual.Offset + " + "propertySet.CenterPointOffset + " + "Vector3(cos(ToRadians(propertySet.Rotation)) * 150," + "sin(ToRadians(propertySet.Rotation)) * 75, 0)"); // // Create the PropertySet. This property bag contains all the value referenced in the expression. We can // animation these property leading to the expression being re-evaluated per frame. // CompositionPropertySet propertySet = compositor.CreatePropertySet(); propertySet.InsertScalar("Rotation", 0f); propertySet.InsertVector3("CenterPointOffset", new Vector3(redSprite.Size.X / 2 - blueSprite.Size.X / 2, redSprite.Size.Y / 2 - blueSprite.Size.Y / 2, 0)); // Set the parameters of the expression animation expressionAnimation.SetReferenceParameter("propertySet", propertySet); expressionAnimation.SetReferenceParameter("visual", redSprite); // Start the expression animation! blueSprite.StartAnimation("Offset", expressionAnimation); // Now animate the rotation property in the property bag, this generates the orbitting motion. var linear = compositor.CreateLinearEasingFunction(); var rotAnimation = compositor.CreateScalarKeyFrameAnimation(); rotAnimation.InsertKeyFrame(1.0f, 360f, linear); rotAnimation.Duration = TimeSpan.FromMilliseconds(4000); rotAnimation.IterationBehavior = AnimationIterationBehavior.Forever; propertySet.StartAnimation("Rotation", rotAnimation); // Lastly, animation the Offset of the red sprite to see the expression track appropriately var offsetAnimation = compositor.CreateVector3KeyFrameAnimation(); offsetAnimation.InsertKeyFrame(0f, new Vector3(125f, 50f, 0f)); offsetAnimation.InsertKeyFrame(.5f, new Vector3(125f, 200f, 0f)); offsetAnimation.InsertKeyFrame(1f, new Vector3(125f, 50f, 0f)); offsetAnimation.Duration = TimeSpan.FromMilliseconds(4000); offsetAnimation.IterationBehavior = AnimationIterationBehavior.Forever; redSprite.StartAnimation("Offset", offsetAnimation); }