System.Drawing.Drawing2D.PathGradientBrush.RasterizePolygon C# (CSharp) Method

        internal void RasterizePolygon(CGContext context, PointF center, PointF[] pathPoints,
		                                      Color[] surroundColors, Color centerColor)
        {
            var last = pathPoints[0];

            Color start = Color.Empty;
            Color end = Color.Empty;
            var count = pathPoints.Length - 1;
            var colorCount = surroundColors.Length;
            var startIndex = 0;
            var endIndex = 1;

            //			// Create new stopwatch
            //			var stopwatch = new System.Diagnostics.Stopwatch ();
            //
            //			// Begin timing
            //			stopwatch.Start();

            for (int p = 1; p <= count; p++)
            {

                var next = pathPoints[p];

                if (startIndex >= colorCount)
                {
                    start = surroundColors[colorCount - 1];
                    end = surroundColors[colorCount - 1];
                }
                else
                {
                    start = surroundColors[startIndex++];
                    if (startIndex == colorCount)
                    {
                        end = surroundColors[0];
                    }
                    else
                    {
                        if (endIndex >= colorCount)
                        {
                            end = surroundColors[colorCount - 1];
                        }
                        else
                        {
                            end = surroundColors[endIndex++];
                        }
                    }
                }

                //Console.WriteLine("triangle {0} P1 {1} P2 {2} P3 {3} color {4}", p, last, next, center, start);
                if (polygonWinding == FillMode.Winding)
                    RasterizeTriangle(context, center, last, next, centerColor, start, end);
                else
                    RasterizeTriangle(context, last, center, next, start, centerColor, end);

                last = next;

            }

            //			// Stop timing
            //			stopwatch.Stop();
            //
            //			// Write result
            //			Console.WriteLine("Time elapsed: {0}",
            //				stopwatch.Elapsed);
        }