/// <summary>
/// 播放光标闪烁动画
/// </summary>
private void PlayPauseArrowAnimation()
{
if (this.pauseImageBrush == null)
{
return;
}
//if (this.pauseArrowStoryboard.Children.Count == 0)
//{
RectAnimationUsingKeyFrames pauseAnimation = new RectAnimationUsingKeyFrames()
{
RepeatBehavior = RepeatBehavior.Forever,
AutoReverse = true
};
pauseAnimation.KeyFrames.Add(new DiscreteRectKeyFrame(new System.Windows.Rect(160, 64, 16, 16), TimeSpan.FromSeconds(0)));
pauseAnimation.KeyFrames.Add(new DiscreteRectKeyFrame(new System.Windows.Rect(176, 64, 16, 16), TimeSpan.FromSeconds(0.1)));
pauseAnimation.KeyFrames.Add(new DiscreteRectKeyFrame(new System.Windows.Rect(160, 80, 16, 16), TimeSpan.FromSeconds(0.2)));
pauseAnimation.KeyFrames.Add(new DiscreteRectKeyFrame(new System.Windows.Rect(176, 80, 16, 16), TimeSpan.FromSeconds(0.3)));
Storyboard.SetTarget(pauseAnimation, this.pauseImageBrush);
Storyboard.SetTargetProperty(pauseAnimation, new PropertyPath("Viewbox"));
this.pauseImageBrush.BeginAnimation(ImageBrush.ViewboxProperty, pauseAnimation);
//this.pauseArrowStoryboard.Children.Add(pauseAnimation);
//}
//this.pauseArrowStoryboard.Begin();
}
private void UserDrawWPF(DrawingContext dc)
{
if (bFound == true)
{
VMMainViewModel.Instance.ConvertCoordGroundToPixel(fx, fy, ref PixelX, ref PixelY);
RectAnimationUsingKeyFrames n = new RectAnimationUsingKeyFrames();
n.Duration = TimeSpan.FromMilliseconds(700);
n.RepeatBehavior = RepeatBehavior.Forever;
n.AutoReverse = true;
n.KeyFrames.Add(
new LinearRectKeyFrame(
new Rect(new Point(PixelX - 40, PixelY - 40), new Size(80, 80)), // Target value (KeyValue)
KeyTime.FromTimeSpan(TimeSpan.FromMilliseconds(350))) // KeyTime
);
n.KeyFrames.Add(
new LinearRectKeyFrame(
new Rect(new Point(PixelX - 25, PixelY - 25), new Size(50, 50)), // Target value (KeyValue)
KeyTime.FromTimeSpan(TimeSpan.FromMilliseconds(700))) // KeyTime
);
Rect rect = new Rect(new Point(PixelX - 25, PixelY - 25), new Size(50, 50));
AnimationClock myClock = n.CreateClock();
BitmapImage b = new BitmapImage();
b.BeginInit();
b.UriSource = new Uri("pack://application:,,,/images/Sight.png");
b.EndInit();
dc.DrawImage(b, rect, myClock);
}
}
public RectAnimationUsingKeyFramesExample()
{
Title = "RectAnimationUsingKeyFrames Example";
Background = Brushes.White;
Margin = new Thickness(20);
// Create a NameScope for this page so that
// Storyboards can be used.
NameScope.SetNameScope(this, new NameScope());
StackPanel myStackPanel = new StackPanel();
myStackPanel.Orientation = Orientation.Vertical;
myStackPanel.HorizontalAlignment = HorizontalAlignment.Center;
//Add the Path Element
Path myPath = new Path();
myPath.Stroke = Brushes.Black;
myPath.Fill = Brushes.LemonChiffon;
myPath.StrokeThickness = 1;
// Create a RectangleGeometry to specify the Path data.
RectangleGeometry myRectangleGeometry = new RectangleGeometry();
myRectangleGeometry.Rect = new Rect(0, 200, 100, 100);
myPath.Data = myRectangleGeometry;
myStackPanel.Children.Add(myPath);
// Assign the TranslateTransform a name so that
// it can be targeted by a Storyboard.
this.RegisterName(
"AnimatedRectangleGeometry", myRectangleGeometry);
// Create a RectAnimationUsingKeyFrames to
// animate the RectangleGeometry.
RectAnimationUsingKeyFrames rectAnimation
= new RectAnimationUsingKeyFrames();
rectAnimation.Duration = TimeSpan.FromSeconds(6);
// Set the animation to repeat forever.
rectAnimation.RepeatBehavior = RepeatBehavior.Forever;
// Animate position, width, and height in first 2 seconds. LinearRectKeyFrame creates
// a smooth, linear animation between values.
rectAnimation.KeyFrames.Add(
new LinearRectKeyFrame(
new Rect(600, 50, 200, 50), // Target value (KeyValue)
KeyTime.FromTimeSpan(TimeSpan.FromSeconds(2))) // KeyTime
);
// In the next half second, change height to 10. DiscreteRectKeyFrame creates a
// sudden "jump" between values.
rectAnimation.KeyFrames.Add(
new DiscreteRectKeyFrame(
new Rect(600, 50, 200, 10), // Target value (KeyValue)
KeyTime.FromTimeSpan(TimeSpan.FromSeconds(2.5))) // KeyTime
);
// In the final 2 seconds of the animation, go back to the starting position, width, and height.
// Spline key frames like SplineRectKeyFrame creates a variable transition between values depending
// on the KeySpline property. In this example, the animation starts off slow but toward the end of
// the time segment, it speeds up exponentially.
rectAnimation.KeyFrames.Add(
new SplineRectKeyFrame(
new Rect(0, 200, 100, 100), // Target value (KeyValue)
KeyTime.FromTimeSpan(TimeSpan.FromSeconds(4.5)), // KeyTime
new KeySpline(0.6, 0.0, 0.9, 0.0) // KeySpline
)
);
// Set the animation to target the Rect property
// of the object named "AnimatedRectangleGeometry."
Storyboard.SetTargetName(rectAnimation, "AnimatedRectangleGeometry");
Storyboard.SetTargetProperty(
rectAnimation, new PropertyPath(RectangleGeometry.RectProperty));
// Create a storyboard to apply the animation.
Storyboard rectStoryboard = new Storyboard();
rectStoryboard.Children.Add(rectAnimation);
// Start the storyboard after the rectangle loads.
myPath.Loaded += delegate(object sender, RoutedEventArgs e)
{
rectStoryboard.Begin(this);
};
Content = myStackPanel;
}
