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>
/// Warn user if they try to click on screenshot
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void onClick(object sender, EventArgs e)
{
var visKeyFrames = new ObjectKeyFrameCollection
{
new DiscreteObjectKeyFrame {
KeyTime = TimeSpan.FromSeconds(0), Value = Visibility.Visible
},
new DiscreteObjectKeyFrame {
KeyTime = TimeSpan.FromSeconds(2.5), Value = Visibility.Collapsed
}
};
var opKeyFrames = new DoubleKeyFrameCollection
{
new DiscreteDoubleKeyFrame {
KeyTime = TimeSpan.FromSeconds(0), Value = 1
},
new LinearDoubleKeyFrame {
KeyTime = TimeSpan.FromSeconds(2), Value = 1
},
new LinearDoubleKeyFrame {
KeyTime = TimeSpan.FromSeconds(2.5), Value = 0
},
};
bdClick.BeginAnimation(TextBlock.VisibilityProperty, new ObjectAnimationUsingKeyFrames()
{
KeyFrames = visKeyFrames
});
bdClick.BeginAnimation(TextBlock.OpacityProperty, new DoubleAnimationUsingKeyFrames()
{
KeyFrames = opKeyFrames
});
}
public BasicTextEditorElement()
{
TextCaret = new TextCaret1()
{
LineHeight = 100.0, CaretWidth = 4, Name1 = "BasicTextEditorElement"
};
Children.Add(TextCaret);
_drawingVisual = new DrawingVisual();
Children.Insert(0, _drawingVisual);
var objectKeyFrameCollection = new ObjectKeyFrameCollection()
{
new DiscreteObjectKeyFrame(System.Windows.Visibility.Hidden, KeyTime.FromPercent(0)),
new DiscreteObjectKeyFrame(System.Windows.Visibility.Visible, KeyTime.FromPercent(0.5))
};
_blink = new ObjectAnimationUsingKeyFrames()
{
KeyFrames = objectKeyFrameCollection, Duration = new Duration(new TimeSpan(0, 0, 1)), RepeatBehavior = RepeatBehavior.Forever
};
}
private static ObjectAnimationUsingKeyFrames GetAnimation(Image imageControl, BitmapSource source)
{
var cacheEntry = AnimationCache.Get(source);
if (cacheEntry == null)
{
var decoder = GetDecoder(source, imageControl, out GifFile gifMetadata) as GifBitmapDecoder;
if (decoder != null && decoder.Frames.Count > 1)
{
var fullSize = GetFullSize(decoder, gifMetadata);
int index = 0;
var keyFrames = new ObjectKeyFrameCollection();
var totalDuration = TimeSpan.Zero;
BitmapSource baseFrame = null;
foreach (var rawFrame in decoder.Frames)
{
var metadata = GetFrameMetadata(decoder, gifMetadata, index);
var frame = MakeFrame(fullSize, rawFrame, metadata, baseFrame);
var keyFrame = new DiscreteObjectKeyFrame(frame, totalDuration);
keyFrames.Add(keyFrame);
totalDuration += metadata.Delay;
switch (metadata.DisposalMethod)
{
case FrameDisposalMethod.None:
case FrameDisposalMethod.DoNotDispose:
baseFrame = frame;
break;
case FrameDisposalMethod.RestoreBackground:
if (IsFullFrame(metadata, fullSize))
{
baseFrame = null;
}
else
{
baseFrame = ClearArea(frame, metadata);
}
break;
case FrameDisposalMethod.RestorePrevious:
// Reuse same base frame
break;
}
index++;
}
int repeatCount = GetRepeatCountFromMetadata(decoder, gifMetadata);
cacheEntry = new AnimationCacheEntry(keyFrames, totalDuration, repeatCount);
AnimationCache.Add(source, cacheEntry);
}
}
if (cacheEntry != null)
{
var animation = new ObjectAnimationUsingKeyFrames
{
KeyFrames = cacheEntry.KeyFrames,
Duration = cacheEntry.Duration,
RepeatBehavior = GetActualRepeatBehavior(imageControl, cacheEntry.RepeatCountFromMetadata),
SpeedRatio = GetActualSpeedRatio(imageControl, cacheEntry.Duration)
};
AnimationCache.AddControlForSource(source, imageControl);
return(animation);
}
return(null);
}
public AnimationCacheEntry(ObjectKeyFrameCollection keyFrames, Duration duration, int repeatCountFromMetadata)
{
KeyFrames = keyFrames;
Duration = duration;
RepeatCountFromMetadata = repeatCountFromMetadata;
}
