private void TryGetTranslateAnimationProperties()
{
if (!this.Element.IsViewObjectValid || !CanonicalTransform.IsCanonical((Transform)this.Element.GetComputedValueAsWpf(Base2DElement.RenderTransformProperty)))
{
return;
}
this.positionXAnimationProperty = this.AdornerSet.ViewModel.AnimationEditor.GetAnimationProperty((SceneNode)this.Element, this.Element.ViewModel.DefaultView.ConvertFromWpfPropertyReference(this.Element.Platform.Metadata.CommonProperties.RenderTransformTranslationX));
this.positionYAnimationProperty = this.AdornerSet.ViewModel.AnimationEditor.GetAnimationProperty((SceneNode)this.Element, this.Element.ViewModel.DefaultView.ConvertFromWpfPropertyReference(this.Element.Platform.Metadata.CommonProperties.RenderTransformTranslationY));
this.hasValidTranslateAnimationProperty = true;
}
private CanonicalDecomposition CalculateSharedTransform(bool scaleByZoom, bool addParentToRoot)
{
bool flag = false;
CanonicalDecomposition canonicalDecomposition1 = new CanonicalDecomposition();
this.hasHomogenousRotation = true;
this.hasHomogenousSkew = true;
foreach (SceneElement sceneElement in this.elements)
{
if (sceneElement is BaseFrameworkElement)
{
if (!sceneElement.IsAttached)
{
return(new CanonicalDecomposition());
}
Transform identity = Transform.Identity;
Transform transform = sceneElement.GetComputedValueAsWpf(sceneElement.Platform.Metadata.CommonProperties.RenderTransform) as Transform ?? Transform.Identity;
CanonicalDecomposition canonicalDecomposition2 = new CanonicalDecomposition();
CanonicalDecomposition canonicalDecomposition3 = !CanonicalTransform.IsCanonical(transform) ? new CanonicalDecomposition(transform.Value) : new CanonicalTransform(transform).Decomposition;
if (!double.IsNaN(canonicalDecomposition3.ScaleX) && !double.IsNaN(canonicalDecomposition3.ScaleY))
{
if (!flag)
{
canonicalDecomposition1 = canonicalDecomposition3;
canonicalDecomposition1.ScaleX = (double)Math.Sign(canonicalDecomposition1.ScaleX);
canonicalDecomposition1.ScaleY = (double)Math.Sign(canonicalDecomposition1.ScaleY);
flag = true;
}
else
{
if (Math.Sign(canonicalDecomposition3.ScaleX) != Math.Sign(canonicalDecomposition1.ScaleX))
{
canonicalDecomposition1.ScaleX = 1.0;
}
if (Math.Sign(canonicalDecomposition3.ScaleY) != Math.Sign(canonicalDecomposition1.ScaleY))
{
canonicalDecomposition1.ScaleY = 1.0;
}
if (!Tolerances.AreClose(canonicalDecomposition3.RotationAngle, canonicalDecomposition1.RotationAngle) || !Tolerances.AreClose(canonicalDecomposition3.SkewX, canonicalDecomposition1.SkewX) || !Tolerances.AreClose(canonicalDecomposition3.SkewY, canonicalDecomposition1.SkewY))
{
canonicalDecomposition1.RotationAngle = 0.0;
canonicalDecomposition1.SkewX = 0.0;
canonicalDecomposition1.SkewY = 0.0;
this.hasHomogenousSkew = false;
this.hasHomogenousRotation = false;
}
}
}
}
}
double zoom = this.DesignerContext.ActiveView.Artboard.Zoom;
if (scaleByZoom)
{
canonicalDecomposition1.ScaleX = zoom * canonicalDecomposition1.ScaleX;
canonicalDecomposition1.ScaleY = zoom * canonicalDecomposition1.ScaleY;
}
canonicalDecomposition1.Translation = new Vector(0.0, 0.0);
if (addParentToRoot && this.PrimaryElement.VisualElementAncestor != null)
{
Matrix computedTransformToRoot = this.ViewModel.DefaultView.GetComputedTransformToRoot(this.PrimaryElement.VisualElementAncestor.Visual);
Transform transform = this.ViewModel.DefaultView.Artboard.CalculateTransformFromContentToArtboard();
computedTransformToRoot.Append(transform.Value);
computedTransformToRoot.OffsetX = 0.0;
computedTransformToRoot.OffsetY = 0.0;
CanonicalDecomposition canonicalDecomposition2 = new CanonicalDecomposition(computedTransformToRoot);
canonicalDecomposition1.Scale = new Vector(canonicalDecomposition1.ScaleX * (canonicalDecomposition2.ScaleX / zoom), canonicalDecomposition1.ScaleY * (canonicalDecomposition2.ScaleY / zoom));
canonicalDecomposition1.Skew += canonicalDecomposition2.Skew;
canonicalDecomposition1.RotationAngle *= (double)(Math.Sign(canonicalDecomposition2.ScaleX) * Math.Sign(canonicalDecomposition2.ScaleY));
canonicalDecomposition1.RotationAngle += canonicalDecomposition2.RotationAngle;
canonicalDecomposition1.Translation += canonicalDecomposition2.Translation;
}
return(canonicalDecomposition1);
}