PixelFarm.Agg.VertexStore.AddMoveTo C# (CSharp) Метод

        public void AddMoveTo(double x, double y)
        {
            AddVertex(x, y, VertexCmd.MoveTo);
        }
        public void AddLineTo(double x, double y)

        void CreateStartLineCap(VertexStore outputVxs, Vector v0, Vector v1, double edgeWidth)
        {
            switch (this.LineCapStyle)
            {
            default: throw new NotSupportedException();

            case LineCap.Butt:
                outputVxs.AddMoveTo(v1.X, v1.Y);    // moveto
                outputVxs.AddLineTo(v0.X, v0.Y);
                break;

            case LineCap.Square:
            {
                Vector delta = (v0 - v1).Rotate(90).NewLength(edgeWidth);
                //------------------------
                outputVxs.AddMoveTo(v1.X + delta.X, v1.Y + delta.Y);
                outputVxs.AddLineTo(v0.X + delta.X, v0.Y + delta.Y);
            }
            break;

            case LineCap.Round:
                capVectors.Clear();
                BuildBeginCap(v0.X, v0.Y, v1.X, v1.Y, capVectors);
                //----------------------------------------------------
                int j = capVectors.Count;
                outputVxs.AddMoveTo(v1.X, v1.Y);
                for (int i = j - 1; i >= 0; --i)
                {
                    Vector v = capVectors[i];
                    outputVxs.AddLineTo(v.X, v.Y);
                }
                break;
            }
        }