public static Storyboard OpacityAnimation(this UIElement element, double beginTimeInSeconds, double durationInSeconds, double fromOpacity, double toOpacity
, EasingFunctionBase easingFunction = null, Storyboard sb = null, RepeatBehavior? repeatBehavior = null, bool autoReverse = false)
{
if (sb == null) sb = new Storyboard();
Storyboard.SetTarget(sb, element);
DoubleAnimation opacityAnim = new DoubleAnimation();
opacityAnim.BeginTime = TimeSpan.FromSeconds(beginTimeInSeconds);
opacityAnim.From = fromOpacity;
opacityAnim.To = toOpacity;
opacityAnim.EasingFunction = easingFunction;
Storyboard.SetTargetProperty(opacityAnim, new PropertyPath(UIElement.OpacityProperty));
Storyboard.SetTarget(opacityAnim, element);
if (repeatBehavior.HasValue)
{
opacityAnim.RepeatBehavior = repeatBehavior.Value;
}
sb.AutoReverse = autoReverse;
sb.Children.Add(opacityAnim);
return sb;
}
public static Storyboard WidthHeightAnimation(this FrameworkElement element, double beginTimeInSeconds, double durationInSeconds, double fromWidth, double fromHeight, double toWidth, double toHeight, EasingFunctionBase easingFunction = null)
{
Storyboard sb = new Storyboard();
Storyboard.SetTarget(sb, element);
DoubleAnimationUsingKeyFrames widthAnim = new DoubleAnimationUsingKeyFrames();
DoubleAnimationUsingKeyFrames heightAnim = new DoubleAnimationUsingKeyFrames();
Storyboard.SetTargetProperty(widthAnim, new PropertyPath(FrameworkElement.WidthProperty));
Storyboard.SetTargetProperty(heightAnim, new PropertyPath(FrameworkElement.HeightProperty));
widthAnim.BeginTime = heightAnim.BeginTime = TimeSpan.FromSeconds(beginTimeInSeconds);
widthAnim.KeyFrames.Add(new AnimationKeyFrame(fromWidth, 0, easingFunction));
widthAnim.KeyFrames.Add(new AnimationKeyFrame(toWidth, durationInSeconds, easingFunction));
heightAnim.KeyFrames.Add(new AnimationKeyFrame(fromHeight, 0, easingFunction));
heightAnim.KeyFrames.Add(new AnimationKeyFrame(toHeight, durationInSeconds, easingFunction));
sb.Children.Add(widthAnim);
sb.Children.Add(heightAnim);
return sb;
}
public void Draw(EasingFunctionBase easingFunction)
{
canvas1.Children.Clear();
PathSegmentCollection pathSegments = new PathSegmentCollection();
for (double i = 0; i < 1; i += _samplingInterval)
{
double x = i * canvas1.Width;
double y = easingFunction.Ease(i) * canvas1.Height;
var segment = new LineSegment();
segment.Point = new Point(x, y);
pathSegments.Add(segment);
}
var p = new Path();
p.Stroke = new SolidColorBrush(Colors.Black);
p.StrokeThickness = 3;
PathFigureCollection figures = new PathFigureCollection();
figures.Add(new PathFigure() { Segments = pathSegments });
p.Data = new PathGeometry() { Figures = figures };
canvas1.Children.Add(p);
}
public RotateEffect(double from, double to, double speed, EasingMode mode, EasingFunctionBase easingFunction)
{
this.From = from;
this.To = to;
this.Speed = speed;
this.Mode = mode;
this.EasingFunction = easingFunction;
}
public MoveEffect(Point from, Point to, double speed,int duration,EasingMode mode,EasingFunctionBase easingFunction)
{
this.From = from;
this.To = to;
this.Speed = speed;
this.Duration = duration;
this.Mode = mode;
this.EasingFunction = easingFunction;
}
public OpacityEffect(double from, double to, double speed,int duration,EasingMode mode,EasingFunctionBase easingFunction)
{
this.From = from;
this.To = to;
this.Speed = speed;
this.Duration = duration;
this.Mode = mode;
this.EasingFunction = easingFunction;
}
/// <summary>
/// Creates the storyboard for animating a child from its old location to the new location.
/// The Translation and Scale properties are animated.
/// </summary>
/// <param name="element">UIElement for which the storyboard has to be created</param>
/// <param name="newLocation">New location of the UIElement</param>
/// <param name="period">Duration of animation</param>
/// <param name="easing">Easing function</param>
/// <returns>Storyboard</returns>
internal Storyboard CreateTransition(UIElement element, Point newLocation, TimeSpan period, EasingFunctionBase easing)
{
Duration duration = new Duration(period);
// Animate X
DoubleAnimation translateAnimationX = new DoubleAnimation();
translateAnimationX.To = newLocation.X;
translateAnimationX.Duration = duration;
if (easing != null)
translateAnimationX.EasingFunction = easing;
Storyboard.SetTarget(translateAnimationX, element);
Storyboard.SetTargetProperty(translateAnimationX,
new PropertyPath("(UIElement.RenderTransform).(TransformGroup.Children)[1].(TranslateTransform.X)"));
// Animate Y
DoubleAnimation translateAnimationY = new DoubleAnimation();
translateAnimationY.To = newLocation.Y;
translateAnimationY.Duration = duration;
if (easing != null)
translateAnimationY.EasingFunction = easing;
Storyboard.SetTarget(translateAnimationY, element);
Storyboard.SetTargetProperty(translateAnimationY,
new PropertyPath("(UIElement.RenderTransform).(TransformGroup.Children)[1].(TranslateTransform.Y)"));
// Animate ScaleX
DoubleAnimation scaleAnimationX = new DoubleAnimation();
scaleAnimationX.To = 1.0D;
scaleAnimationX.Duration = duration;
if (easing != null)
scaleAnimationX.EasingFunction = easing;
Storyboard.SetTarget(scaleAnimationX, element);
Storyboard.SetTargetProperty(scaleAnimationX,
new PropertyPath("(UIElement.RenderTransform).(TransformGroup.Children)[0].(ScaleTransform.ScaleX)"));
// Animate ScaleY
DoubleAnimation scaleAnimationY = new DoubleAnimation();
scaleAnimationY.To = 1.0D;
scaleAnimationY.Duration = duration;
if (easing != null)
scaleAnimationY.EasingFunction = easing;
Storyboard.SetTarget(scaleAnimationY, element);
Storyboard.SetTargetProperty(scaleAnimationY,
new PropertyPath("(UIElement.RenderTransform).(TransformGroup.Children)[0].(ScaleTransform.ScaleY)"));
Storyboard sb = new Storyboard();
sb.Duration = duration;
sb.Children.Add(translateAnimationX);
sb.Children.Add(translateAnimationY);
sb.Children.Add(scaleAnimationX);
sb.Children.Add(scaleAnimationY);
return sb;
}
/// <summary>
/// 返回根据ProtertyPath封装过的DoubleAnimation
/// </summary>
/// <param name="PropertyPath">属性路径</param>
/// <param name="seconds">动画时间</param>
/// <param name="from">起始值</param>
/// <param name="to">结束值</param>
/// <param name="EasingFun">缓动函数</param>
/// <returns>已组装过的DoubleAnimation</returns>
public static DoubleAnimation GetDoubleAnimation(string PropertyPath, double seconds, double from, double to, EasingFunctionBase EasingFun)
{
DoubleAnimation _doubleAnimation = new DoubleAnimation();
_doubleAnimation.From = from;
_doubleAnimation.To = to;
_doubleAnimation.Duration = new Duration(TimeSpan.FromSeconds(seconds));
if (EasingFun != null)
_doubleAnimation.EasingFunction = EasingFun;
Storyboard.SetTargetProperty(_doubleAnimation, new PropertyPath(PropertyPath));
return _doubleAnimation;
}
private void StartAnimation(EasingFunctionBase easingFunction)
{
// show the chart
chartControl.Draw(easingFunction);
// animation
NameScope.SetNameScope(translate1, new NameScope());
var storyboard = new Storyboard();
var ellipseMove = new DoubleAnimation();
ellipseMove.EasingFunction = easingFunction;
ellipseMove.Duration = new Duration(TimeSpan.FromSeconds(AnimationTimeSeconds));
ellipseMove.From = 0;
ellipseMove.To = 460;
Storyboard.SetTargetName(ellipseMove, nameof(translate1));
Storyboard.SetTargetProperty(ellipseMove, new PropertyPath(TranslateTransform.XProperty));
ellipseMove.BeginTime = TimeSpan.FromSeconds(1.5); // start animation in 0.5 seconds
ellipseMove.FillBehavior = FillBehavior.HoldEnd; // keep position after animation
storyboard.Children.Add(ellipseMove);
storyboard.Begin(this);
}
public static Storyboard ScaleAnimation(this UIElement element, double beginTimeInSeconds, double durationInSeconds, double fromScaleX, double fromScaleY, double toScaleX, double toScaleY
, EasingFunctionBase easingFunction = null, Storyboard sb = null, RepeatBehavior? repeatBehavior = null, bool autoReverse = false)
{
if (sb == null) sb = new Storyboard();
Storyboard.SetTarget(sb, element);
int? transformGroupIndex;
string scaleXProp, scaleYProp;
var scaleTransform = element.FindTransform<ScaleTransform>(out transformGroupIndex);
if (scaleTransform == null) throw new Exception("No scale transformation found on target element.");
if (transformGroupIndex.HasValue)
{
scaleXProp = "(UIElement.RenderTransform).(TransformGroup.Children)[" + transformGroupIndex + "].(ScaleTransform.ScaleX)";
scaleYProp = "(UIElement.RenderTransform).(TransformGroup.Children)[" + transformGroupIndex + "].(ScaleTransform.ScaleY)";
}
else
{
scaleXProp = "(UIElement.RenderTransform).(ScaleTransform.ScaleX)";
scaleYProp = "(UIElement.RenderTransform).(ScaleTransform.ScaleY)";
}
DoubleAnimationUsingKeyFrames scaleXAnim = Util.CreateDoubleAnimationUsingKeyFrames(scaleXProp, beginTimeInSeconds, new AnimationKeyFrame(fromScaleX, 0, easingFunction), new AnimationKeyFrame(toScaleX, durationInSeconds, easingFunction));
DoubleAnimationUsingKeyFrames scaleYAnim = Util.CreateDoubleAnimationUsingKeyFrames(scaleYProp, beginTimeInSeconds, new AnimationKeyFrame(fromScaleY, 0, easingFunction), new AnimationKeyFrame(toScaleY, durationInSeconds, easingFunction));
if (repeatBehavior.HasValue)
{
scaleXAnim.RepeatBehavior = scaleYAnim.RepeatBehavior = repeatBehavior.Value;
}
sb.AutoReverse = autoReverse;
sb.Children.Add(scaleXAnim);
sb.Children.Add(scaleYAnim);
return sb;
}
/// <summary>
/// Derived classes can override this method to handle changes to the Easing property.
/// </summary>
/// <param name="oldValue"></param>
/// <param name="newValue"></param>
protected virtual void OnEasingChanged(EasingFunctionBase oldValue, EasingFunctionBase newValue)
{
}
public EasingFunctionModel(EasingFunctionBase easingFunction)
{
EasingFunction = easingFunction;
}
public AnimAdorner(UIElement adornedElement, UIElement ChildElement, Duration MoveDuration, EasingFunctionBase Easing) :
base(adornedElement)
{
var ic = adornedElement as FrameworkElement;
var fe = ChildElement as FrameworkElement;
var point = fe.TransformToVisual(ic).Transform(new Point(0, 0));
sizeSrc = new Size(fe.ActualWidth, fe.ActualHeight);
var bitmap = RenderToBitmap(ChildElement);
var tg = new TransformGroup();
var st = new ScaleTransform(1, 1);
tg.Children.Add(st);
var tt = new TranslateTransform(point.X, point.Y);
tg.Children.Add(tt);
var imgSrc = new Image();
imgSrc.Visibility = System.Windows.Visibility.Visible;
imgSrc.Source = bitmap;
imgSrc.Stretch = Stretch.None;
gridChild = new Grid();
gridChild.Visibility = System.Windows.Visibility.Visible;
gridChild.Children.Add(imgSrc);
gridChild.RenderTransform = tg;
this.AddVisualChild(gridChild);
Storyboard sb = new Storyboard();
DoubleAnimation daX = new DoubleAnimation();
daX.Duration = MoveDuration;
daX.EasingFunction = Easing;
Storyboard.SetTarget(daX, gridChild);
Storyboard.SetTargetProperty(daX, new PropertyPath("(UIElement.RenderTransform).(TransformGroup.Children)[1].(TranslateTransform.X)"));
sb.Children.Add(daX);
DoubleAnimation daY = new DoubleAnimation();
daY.Duration = MoveDuration;
daY.EasingFunction = Easing;
Storyboard.SetTarget(daY, gridChild);
Storyboard.SetTargetProperty(daY, new PropertyPath("(UIElement.RenderTransform).(TransformGroup.Children)[1].(TranslateTransform.Y)"));
sb.Children.Add(daY);
DoubleAnimation daSX = new DoubleAnimation();
daSX.Duration = MoveDuration;
daSX.EasingFunction = Easing;
Storyboard.SetTarget(daSX, gridChild);
Storyboard.SetTargetProperty(daSX, new PropertyPath("(UIElement.RenderTransform).(TransformGroup.Children)[0].(ScaleTransform.ScaleX)"));
sb.Children.Add(daSX);
DoubleAnimation daSY = new DoubleAnimation();
daSY.Duration = MoveDuration;
daSY.EasingFunction = Easing;
Storyboard.SetTarget(daSY, gridChild);
Storyboard.SetTargetProperty(daSY, new PropertyPath("(UIElement.RenderTransform).(TransformGroup.Children)[0].(ScaleTransform.ScaleY)"));
sb.Children.Add(daSY);
DoubleAnimation daO = new DoubleAnimation();
daO.To = 0;
Storyboard.SetTarget(daO, imgSrc);
Storyboard.SetTargetProperty(daO, new PropertyPath("Opacity"));
sb.Children.Add(daO);
sb2PointSize = sb;
}
/// <summary>
/// Creates the animation for translating the element
/// to a new location
/// </summary>
/// <param name="element">Item to be translated</param>
/// <param name="translation">Translation value</param>
/// <param name="period">Translation duration</param>
/// <param name="easing">Easing function</param>
/// <returns>Storyboard</returns>
private static Storyboard CreateTransition(UIElement element, Point translation, TimeSpan period, EasingFunctionBase easing)
{
Duration duration = new Duration(period);
// Animate X
var translateAnimationX = new DoubleAnimation();
translateAnimationX.To = translation.X;
translateAnimationX.Duration = duration;
if (easing != null)
translateAnimationX.EasingFunction = easing;
Storyboard.SetTarget(translateAnimationX, element);
Storyboard.SetTargetProperty(translateAnimationX,
new PropertyPath("(UIElement.RenderTransform).(TransformGroup.Children)[0].(TranslateTransform.X)"));
var sb = new Storyboard();
sb.Children.Add(translateAnimationX);
return sb;
}
/// <summary>
/// Creates the transition animation for an element.
/// </summary>
/// <param name="element">Child element to move.</param>
/// <param name="position">New position of the child element.</param>
/// <param name="duration">Duration of the animation.</param>
/// <returns></returns>
protected Storyboard CreateTransition(UIElement element, Point position, TimeSpan duration,
EasingFunctionBase easing)
{
// Animate along X axis
DoubleAnimation tx = new DoubleAnimation {To = position.X, Duration = duration};
if (Easing != null)
tx.EasingFunction = easing;
Storyboard.SetTarget(tx, element);
Storyboard.SetTargetProperty(tx,
new PropertyPath("(UIElement.RenderTransform).(TransformGroup.Children)[1].(TranslateTransform.X)"));
// Animate along Y axis
DoubleAnimation ty = new DoubleAnimation {To = position.Y, Duration = duration};
if (Easing != null)
ty.EasingFunction = easing;
Storyboard.SetTarget(ty, element);
Storyboard.SetTargetProperty(ty,
new PropertyPath("(UIElement.RenderTransform).(TransformGroup.Children)[1].(TranslateTransform.Y)"));
// Animate X axis scale
DoubleAnimation sx = new DoubleAnimation {To = 1.0D, Duration = duration};
if (Easing != null)
sx.EasingFunction = easing;
Storyboard.SetTarget(sx, element);
Storyboard.SetTargetProperty(sx,
new PropertyPath("(UIElement.RenderTransform).(TransformGroup.Children)[0].(ScaleTransform.ScaleX)"));
// Animate Y axis scale
DoubleAnimation sy = new DoubleAnimation {To = 1.0D, Duration = duration};
if (Easing != null)
sy.EasingFunction = easing;
Storyboard.SetTarget(sy, element);
Storyboard.SetTargetProperty(sy,
new PropertyPath("(UIElement.RenderTransform).(TransformGroup.Children)[0].(ScaleTransform.ScaleY)"));
// Assemble animation
Storyboard board = new Storyboard {Duration = duration};
board.Children.Add(tx);
board.Children.Add(ty);
board.Children.Add(sx);
board.Children.Add(sy);
board.Completed += (s, e) =>
element.SetValue(ZIndexProperty, DefaultZ);
return board;
}
/// <summary>
/// Provides derived classes an opportunity to handle changes to the ElementEasing property.
/// </summary>
/// <param name="oldElementEasing">Old Value</param>
/// <param name="newElementEasing">New Value</param>
///
protected virtual void OnElementEasingChanged(EasingFunctionBase oldElementEasing, EasingFunctionBase newElementEasing)
{
}
/// <summary>
/// Provides derived classes an opportunity to handle changes to the DragEasing property.
/// </summary>
/// <param name="oldDragEasing">Old Value</param>
/// <param name="newDragEasing">New Value</param>
protected virtual void OnDragEasingChanged(EasingFunctionBase oldDragEasing, EasingFunctionBase newDragEasing)
{
}
public PanAnimation(FrameworkElement element)
{
this.element = element;
this.element.RenderTransform = new TranslateTransform();
this.easingFunction = new QuarticEase { EasingMode = EasingMode.EaseOut };
}
public static Storyboard XYAnimation(this UIElement element, double beginTimeInSeconds, double durationInSeconds, double? toX = null, double? toY = null
, EasingFunctionBase easingFunction = null, Storyboard sb = null, RepeatBehavior? repeatBehavior = null, bool autoReverse = false)
{
if (sb == null) sb = new Storyboard();
Storyboard.SetTarget(sb, element);
int? transformGroupIndex;
string xProp, yProp;
var translateTransform = element.FindTransform<TranslateTransform>(out transformGroupIndex);
if (translateTransform == null) throw new Exception("No translate transformation found on target element.");
if (transformGroupIndex.HasValue)
{
xProp = "(UIElement.RenderTransform).(TransformGroup.Children)[" + transformGroupIndex + "].(TranslateTransform.X)";
yProp = "(UIElement.RenderTransform).(TransformGroup.Children)[" + transformGroupIndex + "].(TranslateTransform.Y)";
}
else
{
xProp = "(UIElement.RenderTransform).(TransformGroup.X)";
yProp = "(UIElement.RenderTransform).(TransformGroup.Y)";
}
if (toX.HasValue)
{
DoubleAnimation xAnim = new DoubleAnimation();
sb.Children.Add(xAnim);
xAnim.BeginTime = TimeSpan.FromSeconds(beginTimeInSeconds);
xAnim.Duration = TimeSpan.FromSeconds(durationInSeconds);
xAnim.To = toX.Value;
Storyboard.SetTargetProperty(xAnim, new PropertyPath(xProp));
Storyboard.SetTarget(xAnim, element);
if (repeatBehavior.HasValue)
{
xAnim.RepeatBehavior = repeatBehavior.Value;
}
}
if (toY.HasValue)
{
DoubleAnimation yAnim = new DoubleAnimation();
sb.Children.Add(yAnim);
yAnim.BeginTime = TimeSpan.FromSeconds(beginTimeInSeconds);
yAnim.Duration = TimeSpan.FromSeconds(durationInSeconds);
yAnim.To = toY.Value;
Storyboard.SetTargetProperty(yAnim, new PropertyPath(yProp));
Storyboard.SetTarget(yAnim, element);
if (repeatBehavior.HasValue)
{
yAnim.RepeatBehavior = repeatBehavior.Value;
}
}
sb.AutoReverse = autoReverse;
return sb;
}
public static Storyboard ScaleUniformAnimation(this UIElement element, double beginTimeInSeconds, double durationInSeconds, double fromScale, double toScale, EasingFunctionBase easingFunction = null, Storyboard sb = null, RepeatBehavior? repeatBehavior = null, bool autoReverse = false)
{
return element.ScaleAnimation(beginTimeInSeconds, durationInSeconds, fromScale, fromScale, toScale, toScale, easingFunction, sb, repeatBehavior, autoReverse);
}