public static int calcAnimateYTime(FrameworkElement item, double destPosition, double ratio)
{
double translateY = TransformUtil.getTranslateY(item);
int num = 100;
return((int)(50.0 * Math.Abs(destPosition - translateY) / (double)num * ratio));
}
public static void addTranslateDelta(FrameworkElement item, double xDelta, double yDelta)
{
TransformUtil.addCompositeTransform(item);
CompositeTransform compositeTransform = (CompositeTransform)item.RenderTransform;
compositeTransform.TranslateX += xDelta;
compositeTransform.TranslateY += yDelta;
}
public static void setTranslateY(FrameworkElement item, double value)
{
if (Double.IsInfinity(value))
{
return;
}
TransformUtil.addCompositeTransform(item);
((CompositeTransform)item.RenderTransform).TranslateY = value;
}
public static void zoom(FrameworkElement item, double to, int msec, Action <object, EventArgs> callback)
{
double globalOffsetZ = TransformUtil.GetGlobalOffsetZ(item);
Storyboard storyboard = new Storyboard();
DoubleAnimation doubleAnimation1 = new DoubleAnimation();
doubleAnimation1.From = new double?(globalOffsetZ);
doubleAnimation1.To = new double?(to);
doubleAnimation1.Duration = new Duration(new TimeSpan(0, 0, 0, 0, msec));
DoubleAnimation doubleAnimation2 = doubleAnimation1;
Storyboard.SetTarget((Timeline)doubleAnimation2, (DependencyObject)item);
Storyboard.SetTargetProperty((Timeline)doubleAnimation2, new PropertyPath("(UIElement.Projection).(PlaneProjection.GlobalOffsetZ)", new object[0]));
storyboard.Children.Add((Timeline)doubleAnimation2);
if (callback != null)
{
storyboard.Completed += new EventHandler(callback.Invoke);
}
storyboard.Begin();
}
public static void translateY(FrameworkElement item, double toY, int msec, Action <object, EventArgs> callback)
{
double translateY = TransformUtil.getTranslateY(item);
Storyboard storyboard = new Storyboard();
DoubleAnimation doubleAnimation1 = new DoubleAnimation();
doubleAnimation1.From = new double?(translateY);
doubleAnimation1.To = new double?(toY);
doubleAnimation1.Duration = new Duration(new TimeSpan(0, 0, 0, 0, msec));
DoubleAnimation doubleAnimation2 = doubleAnimation1;
Storyboard.SetTarget((Timeline)doubleAnimation2, (DependencyObject)item);
Storyboard.SetTargetProperty((Timeline)doubleAnimation2, new PropertyPath("(UIElement.RenderTransform).(CompositeTransform.TranslateY)", new object[0]));
storyboard.Children.Add((Timeline)doubleAnimation2);
if (callback != null)
{
storyboard.Completed += new EventHandler(callback.Invoke);
}
storyboard.Begin();
}
public static void bounce(FrameworkElement item, double height, int msec, Action <object, EventArgs> callback)
{
double translateY = TransformUtil.getTranslateY(item);
Storyboard storyboard = new Storyboard();
DoubleAnimationUsingKeyFrames animationUsingKeyFrames = new DoubleAnimationUsingKeyFrames();
EasingDoubleKeyFrame easingDoubleKeyFrame1 = new EasingDoubleKeyFrame();
easingDoubleKeyFrame1.KeyTime = (KeyTime) new TimeSpan(0, 0, 0, 0, (int)((double)msec * 0.5));
easingDoubleKeyFrame1.Value = translateY - height;
animationUsingKeyFrames.KeyFrames.Add((DoubleKeyFrame)easingDoubleKeyFrame1);
EasingDoubleKeyFrame easingDoubleKeyFrame2 = new EasingDoubleKeyFrame();
easingDoubleKeyFrame2.KeyTime = (KeyTime) new TimeSpan(0, 0, 0, 0, msec);
easingDoubleKeyFrame2.Value = translateY;
animationUsingKeyFrames.KeyFrames.Add((DoubleKeyFrame)easingDoubleKeyFrame2);
Storyboard.SetTarget((Timeline)animationUsingKeyFrames, (DependencyObject)item);
Storyboard.SetTargetProperty((Timeline)animationUsingKeyFrames, new PropertyPath("(UIElement.RenderTransform).(CompositeTransform.TranslateY)", new object[0]));
storyboard.Children.Add((Timeline)animationUsingKeyFrames);
if (callback != null)
{
storyboard.Completed += new EventHandler(callback.Invoke);
}
storyboard.Begin();
}
public static double getTranslateY(FrameworkElement item)
{
TransformUtil.addCompositeTransform(item);
return(((CompositeTransform)item.RenderTransform).TranslateY);
}
public static void setRotateY(FrameworkElement item, double value)
{
TransformUtil.addPlaneProjection(item);
((PlaneProjection)item.Projection).RotationY = value;
}
public static double getRotateY(FrameworkElement item)
{
TransformUtil.addPlaneProjection(item);
return(((PlaneProjection)item.Projection).RotationY);
}