System.Drawing.Drawing2D.HatchBrush.HatchPlaid C# (CSharp) Method

        void HatchPlaid(CGContext context)
        {
            var hatchWidth = getHatchWidth (hatchStyle);
            var hatchHeight = getHatchHeight (hatchStyle);
            var lineWidth = getLineWidth (hatchStyle);

            initializeContext(context, hatchHeight, false);

            /* draw background */
            drawBackground (context, backColor, hatchWidth, hatchHeight);

            /* draw lines in the foreground color */
            context.SetFillColor(foreColor.ToCGColor());
            context.SetStrokeColor(foreColor.ToCGColor());
            context.SetLineWidth(lineWidth);
            context.SetLineCap(CGLineCap.Square);

            float halfMe = hatchWidth / 2.0f;
            CGRect rect = new CGRect (0,0,1,1);

            // fraw the alternating pattern for half of area
            int x = 0;
            int y = 0;

            for (y = 0; y<halfMe; y+=2)
            {
                for (x = 1; x < hatchWidth; x+=2)
                {
                    rect.X = x;
                    rect.Y = y;
                    setPixels(context, rect);
                }
            }
            for (y = 1; y<halfMe; y+=2)
            {
                for (x = 0; x < hatchWidth; x+=2)
                {
                    rect.X = x;
                    rect.Y = y;
                    setPixels(context, rect);
                }
            }

            // draw a square
            rect.X = 0;
            rect.Y = halfMe;
            rect.Width = halfMe;
            rect.Height = halfMe;
            setPixels(context, rect);
        }