private void SwitchGifPngAnimate(object sender, RoutedEventArgs e)
{
//洗版动画Gif图
BitmapImage bitmapImage1 = new BitmapImage(new Uri("pack://application:,,,/Pr60_TestFunction;component/F02_ShowImage/GifImg/trending_animation_s1.gif"));
Image imgGif = new Image();
ImageBehavior.SetAnimatedSource(imgGif, bitmapImage1);
ImageBehavior.SetRepeatBehavior(imgGif, new RepeatBehavior(1));
grid30.Children.Add(imgGif);
ImageAnimationController gifController = null;
//******** GetAnimationController will return null if the animation is not yet fully loaded ***********
ImageBehavior.AddAnimationLoadedHandler(imgGif, new RoutedEventHandler((s2, e2) =>
{
gifController = ImageBehavior.GetAnimationController(imgGif);
}));
//静态PNG图
Image imgPng = new Image();
BitmapImage bitmapImage2 = new BitmapImage(new Uri("pack://application:,,,/Pr60_TestFunction;component/F02_ShowImage/GifImg/text display_256x64_1.png"));
imgPng.Source = bitmapImage2;
imgPng.Visibility = Visibility.Collapsed;
grid30.Children.Add(imgPng);
//计时器
dispatcherTimer.Interval = new TimeSpan(0, 0, 2);
dispatcherTimer.Tick += (object s3, EventArgs e3) =>
{
//grid30.Children[0].Visibility = Visibility.Visible;
//grid30.Children[1].Visibility = Visibility.Collapsed;
imgGif.Visibility = Visibility.Visible;
imgPng.Visibility = Visibility.Collapsed;
dispatcherTimer.Stop();
gifController.GotoFrame(0);
gifController.Play();
};
ImageBehavior.AddAnimationCompletedHandler(imgGif, new RoutedEventHandler((s1, e1) =>
{
//grid30.Children[0].Visibility = Visibility.Collapsed;
//grid30.Children[1].Visibility = Visibility.Visible;
imgGif.Visibility = Visibility.Collapsed;
imgPng.Visibility = Visibility.Visible;
//gifController.Pause();
dispatcherTimer.Start();
}));
//dispatcherTimer.Tick += new EventHandler((object s3, EventArgs e3) => PngEnd(s3, e3));
//ImageBehavior.AddAnimationCompletedHandler(imgGif, new RoutedEventHandler((object s1, RoutedEventArgs e1) => GifEnd(s1, e1)));
}
public MediaElementControls(FileData file)
{
mLoadedTask = new TaskCompletionSource <MediaElementControls>();
mFile = file;
App.FirstChanceDispatcherException += _HandleDispatcherException;
mDimensions = file.Metadata.Dimensions;
mImage = new Image
{
Stretch = Stretch.Uniform,
Width = file.Metadata.Dimensions.Width,
Height = file.Metadata.Dimensions.Height,
};
mImage.DpiChanged += _HandleDpiChanged;
ImageBehavior.AddAnimationLoadedHandler(mImage, _HandleAnimationLoaded);
ImageBehavior.SetAutoStart(mImage, false);
ImageBehavior.SetRepeatBehavior(mImage, RepeatBehavior.Forever);
ImageBehavior.SetAnimatedSource(mImage, new BitmapImage(file.Uri));
Brush = new VisualBrush(mImage);
}
public ShowGifImage()
{
InitializeComponent();
Image img = new Image();
BitmapImage bitmapImage = new BitmapImage(new Uri("pack://application:,,,/Pr60_TestFunction;component/F02_ShowImage/GifImg/theme_2_animation.gif"));
Image image = new Image();
image.Margin = new Thickness(10);
ImageBehavior.SetAnimatedSource(image, bitmapImage);
Slider slider = new Slider();
slider.Maximum = 3;
slider.Minimum = 1;
slider.Value = 2;
slider.Orientation = Orientation.Horizontal;
slider.Width = 300;
slider.SmallChange = 1;
slider.TickFrequency = 1;
/******* Control Layout ********/
mainGrid.Children.Add(image);
Grid.SetRow(image, 0);
Grid.SetColumn(image, 1);
StackPanel sp = new StackPanel
{
Orientation = Orientation.Vertical,
Background = Brushes.Beige
};
TextBlock txt = new TextBlock();
txt.FontSize = 20;
txt.Margin = new Thickness(6);
txt.HorizontalAlignment = HorizontalAlignment.Center;
txt.Text = "showSpeed";
mainGrid.Children.Add(sp);
Grid.SetRow(sp, 1);
Grid.SetColumn(sp, 1);
sp.Children.Add(slider);
sp.Children.Add(txt);
Binding bind = new Binding();
bind.Source = slider;
bind.Path = new PropertyPath(Slider.ValueProperty);
bind.Mode = BindingMode.Default;
txt.SetBinding(TextBlock.TextProperty, bind);
// 将Gif动画的速度值绑定到Slider上
Binding bindspeed = new Binding();
bindspeed.Source = slider;
bindspeed.Path = new PropertyPath(Slider.ValueProperty);
image.SetBinding(ImageBehavior.AnimationSpeedRatioProperty, bindspeed);
//Grid0/3
BitmapImage bitmapImage03 = new BitmapImage(new Uri("pack://application:,,,/Pr60_TestFunction;component/F02_ShowImage/GifImg/theme_2_animation.gif"));
image.Margin = new Thickness(10);
ImageBehavior.SetAnimatedSource(image03, bitmapImage03);
gif.Children.Add(image03);
// Get the speed ratio of gif.
ImageBehavior.AddAnimationLoadedHandler(ImgS3, new RoutedEventHandler((s2, e2) =>
{
gifSpeedController = ImageBehavior.GetAnimationController(ImgS3);
}));
}
