private static void SetAnimator(DependencyObject obj, Animator value)
{
obj.SetValue(AnimatorProperty, value);
}
private static async Task SetAnimatorCoreAsync(Image image, Animator animator)
{
SetAnimator(image, animator);
animator.Error += AnimatorError;
image.Source = animator.Bitmap;
if (GetAutoStart(image))
animator.Play();
else
await animator.ShowFirstFrameAsync();
}
private void SetAnimatorCore(Animator animator)
{
_animator = animator;
_image.Source = animator.Bitmap;
if (_autoStart)
animator.Play();
else
animator.ShowFirstFrame();
}
public void ClearAnimatorCore()
{
if (_animator == null)
return;
_animator.Dispose();
_animator = null;
}
private async void InitStreamAnimationAsync()
{
try
{
_animator = await Animator.CreateAsync(_image, _sourceStream, _repeatBehavior);
SetAnimatorCore(_animator);
OnLoaded(_image);
}
catch (InvalidSignatureException)
{
var bmp = new BitmapImage();
#if WPF
bmp.BeginInit();
bmp.StreamSource = stream;
bmp.EndInit();
#elif WINRT
bmp.SetSource(_sourceStream.AsRandomAccessStream());
#endif
_image.Source = bmp;
OnLoaded(_image);
}
catch(Exception ex)
{
OnError(_image, ex, AnimationErrorKind.Loading);
}
}
private async void InitUriAnimationAsync()
{
try
{
_animator = await Animator.CreateAsync(_image, _sourceUri, _repeatBehavior,Progress);
SetAnimatorCore(_animator);
OnLoaded(_image);
}
catch (InvalidSignatureException)
{
_image.Source = new BitmapImage(_sourceUri);
OnLoaded(_image);
}
catch(Exception ex)
{
OnError(_image, ex, AnimationErrorKind.Loading);
}
}
private static void SetAnimatorCore(Image image, Animator animator)
{
SetAnimator(image, animator);
image.Source = animator.Bitmap;
if (GetAutoStart(image))
animator.Play();
else
animator.ShowFirstFrame();
}
private static void SetAnimatorCore(Image image, Animator animator)
{
SetAnimator(image, animator);
image.Source = animator.Bitmap;
if (GetAutoStart(image))
animator.Play();
else
animator.CurrentFrameIndex = 0;
}
private void backgroundImage_Loaded(object sender, RoutedEventArgs e)
{
if (animator != null)
{
animator.CurrentFrameChanged -= Animator_CurrentFrameChanged;
}
animator = AnimationBehavior.GetAnimator(backgroundImage);
if (animator != null)
{
animator.CurrentFrameChanged += Animator_CurrentFrameChanged;
}
}