/// <summary>
/// 缓动缩放动画 （提升效率）Timeline.DesiredFrameRateProperty.OverrideMetadata(typeof(Timeline), new FrameworkPropertyMetadata { DefaultValue = 20 });
/// </summary>
/// <param name="element">缩放控件</param>
/// <param name="aTime">缩放时间</param>
/// <param name="dFrom">缩放起始值(推荐1)</param>
/// <param name="dTo">缩放结束值(推荐1.5)</param>
/// <param name="aOscillations">滑过动画目标的次数（推荐5）</param>
/// <param name="aSpringiness">弹簧刚度（推荐10）</param>
/// <returns>返回动画对象</returns>
public static AnimationClock ScaleEasingAnimation(FrameworkElement element, TimeSpan aTime, double dFrom, double dTo, int aOscillations, int aSpringiness)
{
ScaleTransform scale = new ScaleTransform();
element.RenderTransform = scale;
element.RenderTransformOrigin = new Point(0.5, 0.5);//定义圆心位置
EasingFunctionBase easing = new ElasticEase()
{
EasingMode = EasingMode.EaseOut, //公式
Oscillations = aOscillations, //滑过动画目标的次数
Springiness = aSpringiness //弹簧刚度
};
DoubleAnimation scaleAnimation = new DoubleAnimation()
{
From = dFrom, //起始值
To = dTo, //结束值
EasingFunction = easing, //缓动函数
Duration = aTime //动画播放时间
};
AnimationClock clock = scaleAnimation.CreateClock();
scale.ApplyAnimationClock(ScaleTransform.ScaleXProperty, clock);
scale.ApplyAnimationClock(ScaleTransform.ScaleYProperty, clock);
return(clock);
}
/// <summary>
/// 弹簧式缩小
/// </summary>
/// <param name="element"></param>
public static void ScaleEasingOutAnimation(this FrameworkElement element)
{
ScaleTransform scale = new ScaleTransform();
if (element.RenderTransform is TransformGroup)
{
TransformGroup group = element.RenderTransform as TransformGroup;
var item = group.Children.SingleOrDefault(entity => entity is ScaleTransform);
group.Children.Remove(item);
RotateTransform itemRotate = group.Children.SingleOrDefault(entity => entity is RotateTransform) as RotateTransform;
scale.CenterX = itemRotate.CenterX;
scale.CenterY = itemRotate.CenterY;
group.Children.Add(scale);
}
else
{
element.RenderTransform = scale;
element.RenderTransformOrigin = new Point(0.5, 0.5);
}
DoubleAnimation scaleAnimation = new DoubleAnimation()
{
To = 1,
Duration = new TimeSpan(0, 0, 0, 1, 0)
};
AnimationClock clock = scaleAnimation.CreateClock();
scale.ApplyAnimationClock(ScaleTransform.ScaleXProperty, clock, HandoffBehavior.Compose);
scale.ApplyAnimationClock(ScaleTransform.ScaleYProperty, clock, HandoffBehavior.Compose);
}
/// <summary>
/// Animate the <see cref="ScaleTransform.ScaleX"/> and <see cref="ScaleTransform.ScaleY"/>
/// properties of the main button to a given value.
/// </summary>
private void ChangeScale(double to)
{
DoubleAnimation anim = new DoubleAnimation(ButtonScaleTransform.ScaleX, to, new Duration(TimeSpan.FromMilliseconds(500 * to)))
{
EasingFunction = new ExponentialEase()
};
AnimationClock clock = anim.CreateClock();
ButtonScaleTransform.ApplyAnimationClock(ScaleTransform.ScaleXProperty, clock);
ButtonScaleTransform.ApplyAnimationClock(ScaleTransform.ScaleYProperty, clock);
}
private void scaleOutAnim_Completed(object sender, EventArgs e)
{
_switchIn.ApplyAnimationClock(FrameworkElement.OpacityProperty, null);
_switchIn.Visibility = Visibility.Hidden;
ScaleTransform scaleTransform = (ScaleTransform)GetRenderTransform(_switchIn, typeof(ScaleTransform));
scaleTransform.ApplyAnimationClock(ScaleTransform.ScaleXProperty, null);
scaleTransform.ApplyAnimationClock(ScaleTransform.ScaleYProperty, null);
scaleTransform.ScaleX = scaleTransform.ScaleY = 1;
AnimationCompletedEvent(new EventArgs());
}
private void scaleInAnim_Completed(object sender, EventArgs e)
{
_switchIn.ApplyAnimationClock(FrameworkElement.OpacityProperty, null);
ScaleTransform scaleTransform = (ScaleTransform)GetRenderTransform(_switchIn, typeof(ScaleTransform));
scaleTransform.ApplyAnimationClock(ScaleTransform.ScaleXProperty, null);
scaleTransform.ApplyAnimationClock(ScaleTransform.ScaleYProperty, null);
scaleTransform.ScaleX = scaleTransform.ScaleY = 1;
_switchIn.Opacity = 1;
_switchIn.IsHitTestVisible = true;
AnimationCompletedEvent(e);
}
/// <summary>
/// 弹簧式放大
/// </summary>
/// <param name="element"></param>
public static void ScaleEasingInAnimation(this FrameworkElement element, bool isActivated = true)
{
ScaleTransform scale = new ScaleTransform();
if (element.RenderTransform is TransformGroup)
{
TransformGroup group = element.RenderTransform as TransformGroup;
var item = group.Children.SingleOrDefault(entity => entity is ScaleTransform);
if (item != null)
{
group.Children.Remove(item);
}
RotateTransform itemRotate = group.Children.SingleOrDefault(entity => entity is RotateTransform) as RotateTransform;
scale.CenterX = itemRotate.CenterX;
scale.CenterY = itemRotate.CenterY;
group.Children.Add(scale);
}
else
{
element.RenderTransform = scale;
element.RenderTransformOrigin = new Point(0.5, 0.5);
}
if (!isActivated)
{
scale.ScaleX = 1.2;
scale.ScaleY = 1.2;
return;
}
EasingFunctionBase easing = new ElasticEase()
{
EasingMode = EasingMode.EaseOut,
Oscillations = 10,
Springiness = 15
};
DoubleAnimation scaleAnimation = new DoubleAnimation()
{
//From = 1,
To = 1.2,
EasingFunction = easing,
Duration = new TimeSpan(0, 0, 0, 1, 500),
FillBehavior = FillBehavior.HoldEnd
};
AnimationClock clock = scaleAnimation.CreateClock();
scale.ApplyAnimationClock(ScaleTransform.ScaleXProperty, clock, HandoffBehavior.Compose);
scale.ApplyAnimationClock(ScaleTransform.ScaleYProperty, clock, HandoffBehavior.Compose);
}
private void item_Expanded(object sender, RoutedEventArgs e)
{
if (!Settings.AnimationsEnabled)
{
ScaleTransform transform = (sender as TreeViewItem).Template.FindName("itemsHostScale", sender as TreeViewItem) as ScaleTransform;
if (transform != null)
{
transform.ApplyAnimationClock(ScaleTransform.ScaleYProperty, null);
}
}
}
/// <summary>
/// 缩放对象
/// </summary>
/// <param name="target"></param>
/// <param name="max"></param>
/// <param name="durationMilliseconds"></param>
/// <param name="easingMode"></param>
public static void Scale(UIElement target, double from, double to, double durationMilliseconds, EasingMode easingMode)
{
ScaleTransform scale = new ScaleTransform();
target.RenderTransform = scale;
target.RenderTransformOrigin = new Point(0.5, 0.5);
EasingFunctionBase easeFunction = new PowerEase()
{
EasingMode = easingMode,
Power = EasingPower
};
DoubleAnimation animation = new DoubleAnimation()
{
From = from, //起始值
To = to, //结束值
EasingFunction = easeFunction, //缓动函数
Duration = TimeSpan.FromMilliseconds(durationMilliseconds) //动画播放时间
};
AnimationClock clock = animation.CreateClock();
scale.ApplyAnimationClock(ScaleTransform.ScaleXProperty, clock);
scale.ApplyAnimationClock(ScaleTransform.ScaleYProperty, clock);
}
private void scaleOut2Anim_Completed(object sender, EventArgs e)
{
QuarticEase Ease = new QuarticEase();
Ease.EasingMode = EasingMode.EaseOut;
_switchOut.Visibility = Visibility.Collapsed;
_switchOut.ApplyAnimationClock(FrameworkElement.OpacityProperty, null);
ScaleTransform scaleOut = (ScaleTransform)GetRenderTransform(_switchOut, typeof(ScaleTransform));
scaleOut.ApplyAnimationClock(ScaleTransform.ScaleXProperty, null);
scaleOut.ApplyAnimationClock(ScaleTransform.ScaleYProperty, null);
ScaleTransform scaleIn = (ScaleTransform)GetRenderTransform(_switchIn, typeof(ScaleTransform));
scaleIn.CenterX = centerX;
scaleIn.CenterY = centerY;
scaleIn.ScaleX = scaleIn.ScaleY = 1.1;
DoubleAnimation scaleInAnim = new DoubleAnimation(1, AnimationDuration, FillBehavior.Stop);
scaleInAnim.Completed += scaleInAnim_Completed;
scaleInAnim.EasingFunction = Ease;
_switchIn.Visibility = Visibility.Visible;
DoubleAnimation opacityInAnim = new DoubleAnimation(0, 1, AnimationDuration, FillBehavior.Stop);
// To do, or not to do
opacityInAnim.EasingFunction = Ease;
scaleIn.BeginAnimation(ScaleTransform.ScaleXProperty, scaleInAnim);
scaleIn.BeginAnimation(ScaleTransform.ScaleYProperty, scaleInAnim);
_switchIn.BeginAnimation(FrameworkElement.OpacityProperty, opacityInAnim);
}
// Create and apply and animation when the button is clicked.
private void myButton_Clicked(object sender, RoutedEventArgs e)
{
// Create a DoubleAnimation to animate the
// ScaleTransform.
DoubleAnimation myAnimation =
new DoubleAnimation(
1, // "From" value
5, // "To" value
new Duration(TimeSpan.FromSeconds(5))
);
myAnimation.AutoReverse = true;
// Create a clock the for the animation.
AnimationClock myClock = myAnimation.CreateClock();
// Associate the clock the ScaleX and
// ScaleY properties of the button's
// ScaleTransform.
myScaleTransform.ApplyAnimationClock(
ScaleTransform.ScaleXProperty, myClock);
myScaleTransform.ApplyAnimationClock(
ScaleTransform.ScaleYProperty, myClock);
}
/// <summary>
/// 缓动缩放动画
/// </summary>
/// <param name="element">控件名</param>
/// <param name="from">元素开始的大小</param>
/// <param name="to">元素到达的大小</param>
/// <param name="time">持续时间(毫秒)</param>
public static void ScaleEasingAnimationShow(FrameworkElement element, double from, double to, int time)
{
lock (element)
{
ScaleTransform scale = new ScaleTransform();
element.RenderTransform = scale;
element.RenderTransformOrigin = new Point(0.5, 0.5);//定义圆心位置
EasingFunctionBase easeFunction = new PowerEase()
{
EasingMode = EasingMode.EaseOut,
Power = 5
};
DoubleAnimation scaleAnimation = new DoubleAnimation()
{
From = from, //起始值
To = to, //结束值
EasingFunction = easeFunction, //缓动函数
Duration = new TimeSpan(0, 0, 0, 0, time) //动画播放时间
};
AnimationClock clock = scaleAnimation.CreateClock();
scale.ApplyAnimationClock(ScaleTransform.ScaleXProperty, clock);
scale.ApplyAnimationClock(ScaleTransform.ScaleYProperty, clock);
}
}
public static void ScaleEasingAnimation(FrameworkElement element)
{
ScaleTransform scale = new ScaleTransform();
element.RenderTransform = scale;
element.RenderTransformOrigin = new Point(0.5, 0.5);//定义圆心位置
EasingFunctionBase easing = new ElasticEase()
{
EasingMode = EasingMode.EaseOut, //公式
Oscillations = 1, //滑过动画目标的次数
Springiness = 10 //弹簧刚度
};
DoubleAnimation scaleAnimation = new DoubleAnimation()
{
From = 0, //起始值
To = 1, //结束值
EasingFunction = easing, //缓动函数
Duration = new TimeSpan(0, 0, 0, 1, 200) //动画播放时间
};
AnimationClock clock = scaleAnimation.CreateClock();
scale.ApplyAnimationClock(ScaleTransform.ScaleXProperty, clock);
scale.ApplyAnimationClock(ScaleTransform.ScaleYProperty, clock);
}
