private bool ReadCanonicalForm(Transform transform, bool useIfChangeable)
{
bool flag = false;
if (CanonicalTransform.IsCanonical(transform))
{
TransformGroup transformGroup = (TransformGroup)transform;
ScaleTransform scaleTransform = transformGroup.Children[CanonicalTransformOrder.ScaleIndex] as ScaleTransform;
SkewTransform skewTransform = transformGroup.Children[CanonicalTransformOrder.SkewIndex] as SkewTransform;
RotateTransform rotateTransform = transformGroup.Children[CanonicalTransformOrder.RotateIndex] as RotateTransform;
TranslateTransform translateTransform = transformGroup.Children[CanonicalTransformOrder.TranslateIndex] as TranslateTransform;
this.decomposition.Center = new Point(scaleTransform.CenterX, scaleTransform.CenterY);
this.decomposition.Scale = new Vector(scaleTransform.ScaleX, scaleTransform.ScaleY);
this.decomposition.Skew = new Vector(skewTransform.AngleX, skewTransform.AngleY);
this.decomposition.RotationAngle = rotateTransform.Angle;
this.decomposition.Translation = new Vector(translateTransform.X, translateTransform.Y);
if (useIfChangeable && !transformGroup.IsFrozen)
{
this.transformGroup = transformGroup;
}
else
{
this.InitializeTransformGroup();
}
flag = true;
}
return(flag);
}
public static bool IsCanonical(Transform transform)
{
return(CanonicalTransform.IsCanonical(transform, false));
}