private static void HandleEquationChanged(object sender, DependencyPropertyChangedEventArgs e)
{
PennerDoubleAnimation pda = sender as PennerDoubleAnimation;
// cache method so we avoid lookup while animating
pda._EasingMethod = typeof(PennerDoubleAnimation).GetMethod(e.NewValue.ToString());
}
/// <summary>
/// Starts a PennerDoubleAnimation.
/// </summary>
/// <param name="element">The DependencyObject containing the property to be animated.</param>
/// <param name="prop">The DependencyProperty to animate.</param>
/// <param name="type">The PennerDoubleAnimation.Equations easing equation to use.</param>
/// <param name="to">The target value.</param>
/// <param name="durationMS">Duration of the animation, in milliseconds.</param>
/// <param name="callbackFunc">Optional method to be called when animation completes.</param>
/// <returns>The AnimationClock used to control the animation.</returns>
public static AnimationClock AnimatePenner(
DependencyObject element,
DependencyProperty prop,
PennerDoubleAnimation.Equations type,
double to,
int durationMS,
EventHandler callbackFunc)
{
return AnimatePenner(element, prop, type, null, to, durationMS, callbackFunc);
}
/// <summary>
/// Starts a PennerDoubleAnimation.
/// </summary>
/// <param name="element">The DependencyObject containing the property to be animated.</param>
/// <param name="prop">The DependencyProperty to animate.</param>
/// <param name="type">The PennerDoubleAnimation.Equations easing equation to use.</param>
/// <param name="from">Optional start value.</param>
/// <param name="to">The target value.</param>
/// <param name="durationMS">Duration of the animation, in milliseconds.</param>
/// <param name="callbackFunc">Optional method to be called when animation completes.</param>
/// <returns>The AnimationClock used to control the animation.</returns>
public static AnimationClock AnimatePenner(
DependencyObject element,
DependencyProperty prop,
PennerDoubleAnimation.Equations type,
double? from,
double to,
int durationMS,
EventHandler callbackFunc)
{
double defaultFrom = double.IsNaN((double)element.GetValue(prop)) ?
0 :
(double)element.GetValue(prop);
PennerDoubleAnimation anim = new PennerDoubleAnimation(type, from.GetValueOrDefault(defaultFrom), to);
return Animate(element, prop, anim, durationMS, null, null, callbackFunc);
}
/// <summary>
/// Starts a PennerDoubleAnimation.
/// </summary>
/// <param name="element">The DependencyObject containing the property to be animated.</param>
/// <param name="prop">The DependencyProperty to animate.</param>
/// <param name="type">The PennerDoubleAnimation.Equations easing equation to use.</param>
/// <param name="from">Optional start value.</param>
/// <param name="to">The target value.</param>
/// <param name="durationMS">Duration of the animation, in milliseconds.</param>
/// <param name="callbackFunc">Optional method to be called when animation completes.</param>
/// <returns>The AnimationClock used to control the animation.</returns>
public static AnimationClock AnimatePenner(
DependencyObject element,
DependencyProperty prop,
PennerDoubleAnimation.Equations type,
double?from,
double to,
int durationMS,
EventHandler callbackFunc)
{
double defaultFrom = double.IsNaN((double)element.GetValue(prop)) ?
0 :
(double)element.GetValue(prop);
PennerDoubleAnimation anim = new PennerDoubleAnimation(type, from.GetValueOrDefault(defaultFrom), to);
return(Animate(element, prop, anim, durationMS, null, null, callbackFunc));
}
