private static ObjectAnimationUsingKeyFrames CreateAnimation(IList<ImageSource> imageFrames)
{
// Initialize the animation for this object.
var result = new ObjectAnimationUsingKeyFrames
{
Duration = s_animationDuration,
};
// Creates the frames for the animation.
var frameDuration = FullDuration / s_lightFrames.Value.Count;
int framePoint = 0;
var keyFrames = new ObjectKeyFrameCollection();
foreach (var frame in imageFrames)
{
var keyFrame = new DiscreteObjectKeyFrame
{
KeyTime = new TimeSpan(0, 0, 0, 0, framePoint),
Value = frame,
};
keyFrames.Add(keyFrame);
framePoint += frameDuration;
}
result.KeyFrames = keyFrames;
return result;
}
/// <summary>
/// Helper used by the four Freezable clone methods to copy the resolved key times and
/// key frames. The Get*AsFrozenCore methods are implemented the same as the Clone*Core
/// methods; Get*AsFrozen at the top level will recursively Freeze so it's not done here.
/// </summary>
/// <param name="sourceAnimation"></param>
/// <param name="isCurrentValueClone"></param>
private void CopyCommon(ObjectAnimationUsingKeyFrames sourceAnimation, bool isCurrentValueClone)
{
_areKeyTimesValid = sourceAnimation._areKeyTimesValid;
if (_areKeyTimesValid &&
sourceAnimation._sortedResolvedKeyFrames != null)
{
// _sortedResolvedKeyFrames is an array of ResolvedKeyFrameEntry so the notion of CurrentValueClone doesn't apply
_sortedResolvedKeyFrames = (ResolvedKeyFrameEntry[])sourceAnimation._sortedResolvedKeyFrames.Clone();
}
if (sourceAnimation._keyFrames != null)
{
if (isCurrentValueClone)
{
_keyFrames = (ObjectKeyFrameCollection)sourceAnimation._keyFrames.CloneCurrentValue();
}
else
{
_keyFrames = (ObjectKeyFrameCollection)sourceAnimation._keyFrames.Clone();
}
OnFreezablePropertyChanged(null, _keyFrames);
}
}
/// <summary>
/// Implementation of <see cref="System.Windows.Freezable.CloneCore(System.Windows.Freezable)">Freezable.CloneCore</see>.
/// </summary>
protected override void CloneCore(Freezable sourceFreezable)
{
ObjectKeyFrameCollection sourceCollection = (ObjectKeyFrameCollection)sourceFreezable;
base.CloneCore(sourceFreezable);
int count = sourceCollection._keyFrames.Count;
_keyFrames = new List <ObjectKeyFrame>(count);
for (int i = 0; i < count; i++)
{
ObjectKeyFrame keyFrame = (ObjectKeyFrame)sourceCollection._keyFrames[i].Clone();
_keyFrames.Add(keyFrame);
OnFreezablePropertyChanged(null, keyFrame);
}
}
/// <summary>
/// Helper used by the four Freezable clone methods to copy the resolved key times and
/// key frames. The Get*AsFrozenCore methods are implemented the same as the Clone*Core
/// methods; Get*AsFrozen at the top level will recursively Freeze so it's not done here.
/// </summary>
/// <param name="sourceAnimation"></param>
/// <param name="isCurrentValueClone"></param>
private void CopyCommon(ObjectAnimationUsingKeyFrames sourceAnimation, bool isCurrentValueClone)
{
_areKeyTimesValid = sourceAnimation._areKeyTimesValid;
if ( _areKeyTimesValid
&& sourceAnimation._sortedResolvedKeyFrames != null)
{
// _sortedResolvedKeyFrames is an array of ResolvedKeyFrameEntry so the notion of CurrentValueClone doesn't apply
_sortedResolvedKeyFrames = (ResolvedKeyFrameEntry[])sourceAnimation._sortedResolvedKeyFrames.Clone();
}
if (sourceAnimation._keyFrames != null)
{
if (isCurrentValueClone)
{
_keyFrames = (ObjectKeyFrameCollection)sourceAnimation._keyFrames.CloneCurrentValue();
}
else
{
_keyFrames = (ObjectKeyFrameCollection)sourceAnimation._keyFrames.Clone();
}
OnFreezablePropertyChanged(null, _keyFrames);
}
}
