Ejemplo n.º 1
0
        /// <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);
            }
        }
Ejemplo n.º 4
0
        /// <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);
        }