private void Page_Loaded(object sender, RoutedEventArgs e)
{
//Create Visual to contain effect
effectVisual = compositor.CreateSpriteVisual();
var destinationBrush = compositor.CreateBackdropBrush();
//Create the Effect you want
var graphicsEffect = new GaussianBlurEffect
{
Name = "Blur",
BlurAmount = 0f,
BorderMode = EffectBorderMode.Hard,
Source = new CompositionEffectSourceParameter("Background")
};
effectFactory = compositor.CreateEffectFactory(graphicsEffect, new[] { "Blur.BlurAmount" });
effectBrush = effectFactory.CreateBrush();
effectBrush.SetSourceParameter("Background", destinationBrush);
effectVisual.Brush = effectBrush;
//By the default the Visual have the size width and height (defined in Vector 2) 0 and 0
ResizeVisual();
ElementCompositionPreview.SetElementChildVisual(Back, effectVisual);
//Create Spring Animation for nature increase and decrease value
_springAnimation = compositor.CreateSpringScalarAnimation();
_springAnimation.Period = TimeSpan.FromSeconds(0.5);
_springAnimation.DampingRatio = 0.75f;
}
private void Department_Loaded(object sender, RoutedEventArgs e)
{
effectVisual = compositor.CreateSpriteVisual();
var destinationBrush = compositor.CreateBackdropBrush();
//Create the Effect you want
var graphicsEffect = new GaussianBlurEffect
{
Name = "Blur",
BlurAmount = 0f,
BorderMode = EffectBorderMode.Hard,
Optimization = EffectOptimization.Balanced,
Source = new CompositionEffectSourceParameter("Background")
};
effectFactory = compositor.CreateEffectFactory(graphicsEffect, new[] { "Blur.BlurAmount" });
effectBrush = effectFactory.CreateBrush();
effectBrush.SetSourceParameter("Background", destinationBrush);
effectVisual.Brush = effectBrush;
effectVisual.Size = new System.Numerics.Vector2(900, 400);
ElementCompositionPreview.SetElementChildVisual(CoverImage, effectVisual);
//Create Spring Animation for nature increase and decrease value
_springAnimation = compositor.CreateSpringScalarAnimation();
_springAnimation.Period = TimeSpan.FromSeconds(0.70);
//_springAnimation.DampingRatio = 0.25f;
}
private void CreateThumbAnimation()
{
if (HorizontalThumb != null)
{
// // 平移动画 由于动画是上推Thumb操作带动Track弯曲，正确的行为是Thumb始终跟手，所以移除了平移动画
//var imp = Window.Current.Compositor.CreateImplicitAnimationCollection();
//var offsetAnimation = Window.Current.Compositor.CreateVector3KeyFrameAnimation();
//offsetAnimation.InsertExpressionKeyFrame(0f, "(abs(this.FinalValue.X - this.StartingValue.X) > 80) ? this.StartingValue : this.FinalValue");
//offsetAnimation.InsertExpressionKeyFrame(1f, "this.FinalValue");
//offsetAnimation.Duration = TimeSpan.FromSeconds(0.1d);
//offsetAnimation.Target = "Offset";
//imp["Offset"] = offsetAnimation;
//ElementCompositionPreview.GetElementVisual(HorizontalThumb).ImplicitAnimations = imp;
//if (CurveHost != null)
//{
// ElementCompositionPreview.GetElementVisual(CurveHost).ImplicitAnimations = imp;
//}
horizontalThumbContent = VisualTreeHelper.GetChild(HorizontalThumb, 0) as Ellipse;
if (horizontalThumbContent == null)
{
HorizontalThumb.Loaded += HorizontalThumb_Loaded;
}
else
{
CreateAnimation();
}
void HorizontalThumb_Loaded(object sender, RoutedEventArgs e)
{
HorizontalThumb.Loaded -= HorizontalThumb_Loaded;
horizontalThumbContent = VisualTreeHelper.GetChild(HorizontalThumb, 0) as Ellipse;
if (horizontalThumbContent != null)
{
CreateAnimation();
}
}
void CreateAnimation()
{
ElementCompositionPreview.SetIsTranslationEnabled(horizontalThumbContent, true);
pressedThumbAnimation = Window.Current.Compositor.CreateScalarKeyFrameAnimation();
pressedThumbAnimation.InsertKeyFrame(1f, -8f);
pressedThumbAnimation.Duration = TimeSpan.FromSeconds(0.05d);
releasedThumbAnimation = Window.Current.Compositor.CreateSpringScalarAnimation();
releasedThumbAnimation.DampingRatio = 0.25f;
releasedThumbAnimation.Period = TimeSpan.FromSeconds(0.01d);
releasedThumbAnimation.FinalValue = 0f;
}
}
}
