private async void ImageRotate_Click(object sender, RoutedEventArgs e)
{
PhotoDisplaySupport Item = PhotoCollection[Flip.SelectedIndex];
if (Flip.ContainerFromItem(Item) is DependencyObject Container && Container.FindChildOfType <ScrollViewer>() is ScrollViewer Viewer)
{
Storyboard Story = new Storyboard();
switch (Item.RotateAngle % 360)
{
case 0:
case 180:
{
DoubleAnimation WidthAnimation = new DoubleAnimation
{
From = Flip.ActualWidth,
To = Flip.ActualHeight,
Duration = TimeSpan.FromMilliseconds(500),
EnableDependentAnimation = true,
EasingFunction = new CircleEase {
EasingMode = EasingMode.EaseOut
}
};
Storyboard.SetTarget(WidthAnimation, Viewer);
Storyboard.SetTargetProperty(WidthAnimation, "Width");
Story.Children.Add(WidthAnimation);
await Task.WhenAll(Story.BeginAsync(), Viewer.Rotate(Item.RotateAngle += 90).StartAsync()).ConfigureAwait(true);
break;
}
case 90:
case 270:
{
DoubleAnimation HeightAnimation = new DoubleAnimation
{
From = Flip.ActualHeight,
To = Flip.ActualWidth,
Duration = TimeSpan.FromMilliseconds(500),
EnableDependentAnimation = true,
EasingFunction = new CircleEase {
EasingMode = EasingMode.EaseOut
}
};
Storyboard.SetTarget(HeightAnimation, Viewer);
Storyboard.SetTargetProperty(HeightAnimation, "Width");
Story.Children.Add(HeightAnimation);
await Task.WhenAll(Story.BeginAsync(), Viewer.Rotate(Item.RotateAngle += 90).StartAsync()).ConfigureAwait(true);
break;
}
}
}
}
private async void ImageRotate_Click(object sender, RoutedEventArgs e)
{
PhotoDisplaySupport Item = PhotoCollection[Flip.SelectedIndex];
ScrollViewer Viewer = Flip.ContainerFromItem(Item).FindChildOfType <ScrollViewer>();
Viewer.RenderTransformOrigin = new Point(0.5, 0.5);
await Viewer.Rotate(Item.RotateAngle += 90).StartAsync().ConfigureAwait(false);
}
private void Flip_SelectionChanged1(object sender, SelectionChangedEventArgs e)
{
if (Flip.SelectedIndex == -1)
{
return;
}
if (LastSelectIndex > Flip.SelectedIndex)
{
_ = Flip.ContainerFromItem(Flip.SelectedIndex + 1).FindChildOfType <ScrollViewer>()?.ChangeView(null, null, 1);
}
else
{
if (Flip.SelectedIndex > 0)
{
_ = Flip.ContainerFromIndex(Flip.SelectedIndex - 1).FindChildOfType <ScrollViewer>()?.ChangeView(null, null, 1);
}
}
Behavior.InitAnimation(InitOption.AroundImage);
LastSelectIndex = Flip.SelectedIndex;
}
private async void ImageRotate_Click(object sender, RoutedEventArgs e)
{
PhotoDisplaySupport Item = PhotoCollection[Flip.SelectedIndex];
if (Flip.ContainerFromItem(Item) is DependencyObject Container && Container.FindChildOfType <ScrollViewer>() is ScrollViewer Viewer)
{
switch (Item.RotateAngle % 360)
{
case 0:
case 180:
{
DoubleAnimation WidthAnimation = new DoubleAnimation
{
From = Flip.ActualWidth,
To = Flip.ActualHeight,
Duration = TimeSpan.FromMilliseconds(500),
EnableDependentAnimation = true,
EasingFunction = new CubicEase {
EasingMode = EasingMode.EaseOut
}
};
Storyboard.SetTarget(WidthAnimation, Viewer);
Storyboard.SetTargetProperty(WidthAnimation, "Width");
Vector2 StartRotationCenter = new Vector2(Convert.ToSingle(Flip.ActualWidth / 2), Convert.ToSingle(Flip.ActualHeight / 2));
Vector2 EndRotationCenter = new Vector2(Convert.ToSingle(Flip.ActualHeight / 2), Convert.ToSingle(Flip.ActualHeight / 2));
await AnimationBuilder.Create()
.CenterPoint(EndRotationCenter, StartRotationCenter, duration: TimeSpan.FromMilliseconds(500), easingType: EasingType.Cubic, easingMode: EasingMode.EaseOut)
.ExternalAnimation(WidthAnimation)
.RotationInDegrees(Item.RotateAngle += 90, duration: TimeSpan.FromMilliseconds(500), easingType: EasingType.Cubic, easingMode: EasingMode.EaseOut)
.StartAsync(Viewer);
break;
}
case 90:
case 270:
{
DoubleAnimation HeightAnimation = new DoubleAnimation
{
From = Flip.ActualHeight,
To = Flip.ActualWidth,
Duration = TimeSpan.FromMilliseconds(500),
EnableDependentAnimation = true,
EasingFunction = new CubicEase {
EasingMode = EasingMode.EaseOut
}
};
Storyboard.SetTarget(HeightAnimation, Viewer);
Storyboard.SetTargetProperty(HeightAnimation, "Width");
Vector2 StartRotationCenter = new Vector2(Convert.ToSingle(Flip.ActualHeight / 2), Convert.ToSingle(Flip.ActualHeight / 2));
Vector2 EndRotationCenter = new Vector2(Convert.ToSingle(Flip.ActualWidth / 2), Convert.ToSingle(Flip.ActualHeight / 2));
await AnimationBuilder.Create()
.CenterPoint(EndRotationCenter, StartRotationCenter, duration: TimeSpan.FromMilliseconds(500), easingType: EasingType.Cubic, easingMode: EasingMode.EaseOut)
.ExternalAnimation(HeightAnimation)
.RotationInDegrees(Item.RotateAngle += 90, duration: TimeSpan.FromMilliseconds(500), easingType: EasingType.Cubic, easingMode: EasingMode.EaseOut)
.StartAsync(Viewer);
break;
}
}
}
}
