/// <summary>
/// Transform a point
/// </summary>
/// <param name="inPoint">input point</param>
/// <param name="result">output point</param>
/// <returns>True if the point is transformed successfully</returns>
public override bool TryTransform(Point3D inPoint, out Point3D result)
{
result = inPoint;
// cache the children to avoid a repeated DP access
GeneralTransform3DCollection children = Children;
if ((children == null) || (children.Count == 0))
{
return(false);
}
bool pointTransformed = true;
// transform the point through each of the transforms
for (int i = 0, count = children.Count; i < count; i++)
{
if (children._collection[i].TryTransform(inPoint, out result) == false)
{
pointTransformed = false;
break;
}
inPoint = result;
}
return(pointTransformed);
}
internal Enumerator(GeneralTransform3DCollection list)
{
Debug.Assert(list != null, "list may not be null.");
_list = list;
_version = list._version;
_index = -1;
_current = default(GeneralTransform3D);
}
/// <summary>
/// Implementation of Freezable.GetCurrentValueAsFrozenCore()
/// </summary>
protected override void GetCurrentValueAsFrozenCore(Freezable source)
{
GeneralTransform3DCollection sourceGeneralTransform3DCollection = (GeneralTransform3DCollection)source;
base.GetCurrentValueAsFrozenCore(source);
int count = sourceGeneralTransform3DCollection._collection.Count;
_collection = new FrugalStructList <GeneralTransform3D>(count);
for (int i = 0; i < count; i++)
{
GeneralTransform3D newValue = (GeneralTransform3D)sourceGeneralTransform3DCollection._collection[i].GetCurrentValueAsFrozen();
OnFreezablePropertyChanged(/* oldValue = */ null, newValue);
_collection.Add(newValue);
}
}
/// <summary>
/// Transforms the bounding box to the smallest axis aligned bounding box
/// that contains all the points in the original bounding box
/// </summary>
/// <param name="rect">Input bounding rect</param>
/// <returns>Transformed bounding rect</returns>
public override Rect3D TransformBounds(Rect3D rect)
{
// cache the children to avoid a repeated DP access
GeneralTransform3DCollection children = Children;
if ((children == null) || (children.Count == 0))
{
return(rect);
}
Rect3D result = rect;
for (int i = 0, count = children.Count; i < count; i++)
{
result = children._collection[i].TransformBounds(result);
}
return(result);
}