/// <summary>
/// Enumeration of all easing equations.
/// </summary>
private static void OnEquationChanged(DependencyObject d,
DependencyPropertyChangedEventArgs e)
{
PennerDoubleAnimation anim = d as PennerDoubleAnimation;
anim._interpolator = GetInterpolator((Equations)e.NewValue);
}
public Blotches(Canvas canvas, Window1 window, string key, float pressure, double x, double y, Color color)
{
this.canvas = canvas;
geometry = new EllipseGeometry();
ellipse = new Path();
SolidColorBrush brush = new SolidColorBrush();
BlurEffect blurEffect = new BlurEffect();
blurEffect.Radius = 0;
geometry.Center = new Point(x, y);
geometry.RadiusX = (SIZE * pressure) / 50;
geometry.RadiusY = (SIZE * pressure) / 50;
brush.Color = color;
ellipse.Fill = brush;
ellipse.HorizontalAlignment = HorizontalAlignment.Center;
ellipse.VerticalAlignment = VerticalAlignment.Center;
ellipse.Effect = blurEffect;
ellipse.Data = geometry;
canvas.Children.Add(this.ellipse);
this.ellipse.Loaded += new RoutedEventHandler(ellipse_Loaded);
// init animation
this.hoverAnimation = new PennerDoubleAnimation(
Equations.ExpoEaseIn,
0, 0,
new Duration(new TimeSpan(0, 0, 3)));
NameScope.SetNameScope(ellipse, new NameScope());
ellipse.RegisterName("ellipse", blurEffect);
// init storyboard
Storyboard.SetTargetProperty(hoverAnimation, new PropertyPath(Canvas.TopProperty));
hoverObj.Children.Add(hoverAnimation);
this.hoverAnimation.Completed += new EventHandler(hoverAnimation_Completed);
}