internal FillContent(ILottieDrawable lottieDrawable, BaseLayer layer, ShapeFill fill)
{
_layer = layer;
Name = fill.Name;
_hidden = fill.IsHidden;
_lottieDrawable = lottieDrawable;
if (fill.Color == null || fill.Opacity == null)
{
_colorAnimation = null;
_opacityAnimation = null;
return;
}
_path.FillType = fill.FillType;
_colorAnimation = fill.Color.CreateAnimation();
_colorAnimation.ValueChanged += (sender, args) =>
{
_lottieDrawable.InvalidateSelf();
};
layer.AddAnimation(_colorAnimation);
_opacityAnimation = fill.Opacity.CreateAnimation();
_opacityAnimation.ValueChanged += (sender, args) =>
{
_lottieDrawable.InvalidateSelf();
};
layer.AddAnimation(_opacityAnimation);
}
public void AddValueCallback <T>(LottieProperty property, ILottieValueCallback <T> callback)
{
if (property == LottieProperty.Color)
{
_colorAnimation.SetValueCallback((ILottieValueCallback <SKColor?>)callback);
}
else if (property == LottieProperty.Opacity)
{
_opacityAnimation.SetValueCallback((ILottieValueCallback <int?>)callback);
}
else if (property == LottieProperty.ColorFilter)
{
if (callback == null)
{
_colorFilterAnimation = null;
}
else
{
_colorFilterAnimation = new ValueCallbackKeyframeAnimation <SKColorFilter, SKColorFilter>((ILottieValueCallback <SKColorFilter>)callback);
_colorFilterAnimation.ValueChanged += (sender, args) =>
{
_lottieDrawable.InvalidateSelf();
};
_layer.AddAnimation(_colorFilterAnimation);
}
}
}
internal ContentGroup(ILottieDrawable lottieDrawable, BaseLayer layer, string name, bool hidden, List <IContent> contents, AnimatableTransform transform)
{
Name = name;
_hidden = hidden;
_contents = contents;
if (transform != null)
{
_transformAnimation = transform.CreateAnimation();
_transformAnimation.AddAnimationsToLayer(layer);
_transformAnimation.ValueChanged += (sender, args) =>
{
lottieDrawable.InvalidateSelf();
};
}
var greedyContents = new List <IGreedyContent>();
for (var i = contents.Count - 1; i >= 0; i--)
{
var content = contents[i];
if (content is IGreedyContent greedyContent)
{
greedyContents.Add(greedyContent);
}
}
for (var i = greedyContents.Count - 1; i >= 0; i--)
{
greedyContents[i].AbsorbContent(_contents);
}
}
private void Invalidate()
{
_isPathValid = false;
_lottieDrawable.InvalidateSelf();
}
private void OnValueChanged(object sender, EventArgs eventArgs)
{
_lottieDrawable.InvalidateSelf();
}