Ejemplo n.º 1
0
        /// <summary>Copies a section of this path.
        /// Note that if p2 is before p1, it will safely loop over a closed node.
        /// </summary>
        public VectorPath CopySection(VectorPoint p1, float c1, VectorPoint p2, float c2)
        {
            // Split the line p1 at c1.
            // Split the line p2 at c2.
            // The section between these two nodes is the part we want.

            // Create the path:
            VectorPath path = new VectorPath();

            if (p1 == null)
            {
                p1 = FirstPathNode;
                c1 = 0f;
            }

            // Add the first node:
            path.AddPathNode(p1.PointAt(c1, true));

            VectorPoint current = p1.Next;

            while (current != p2 && current != null)
            {
                if (current == p1)
                {
                    // This occurs when p1 and p2 are not in the same shape.
                    throw new Exception("Section start and end are not from the same path.");
                }

                // Add a copy:
                path.AddPathNode(current.Copy());

                // Go to next:
                current = current.Next;

                if (current == null && p2 != null)
                {
                    // Need to loop back around unless p2 is null.
                    // Notice that we actively skip the moveTo itself as
                    // current is in the same location.
                    current = path.FirstPathNode.Next;
                }
            }

            if (current == p2 && p2 != null)
            {
                // Add it:
                path.AddPathNode(p2.PointAt(c2, false));
            }

            return(path);
        }
Ejemplo n.º 2
0
        /// <summary>Copies this vector path into the given one.</summary>
        public void CopyInto(VectorPath path)
        {
            VectorPoint point = FirstPathNode;

            while (point != null)
            {
                VectorPoint copiedPoint = point.Copy();

                path.AddPathNode(copiedPoint);

                // Copy close status:
                if (point.IsClose)
                {
                    copiedPoint.IsClose       = true;
                    path.CloseNode.ClosePoint = copiedPoint;
                }

                point = point.Next;
            }
        }
Ejemplo n.º 3
0
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