System.Drawing.Drawing2D.HatchBrush.HatchDottedDiamond C# (CSharp) Метод

        void HatchDottedDiamond(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;
            float quarter = halfMe / 2.0f;

            // this is really just 6 dots that when tiled will
            // create the effect we are looking for
            CGRect rect = new CGRect (0,0,1,1);
            setPixels(context, rect);

            rect.Y = halfMe;
            setPixels(context, rect);

            rect.X = halfMe;
            setPixels(context, rect);

            rect.Y = 0;
            setPixels(context, rect);

            rect.X = quarter;
            rect.Y = quarter;
            setPixels(context, rect);

            rect.X = halfMe + quarter;
            rect.Y = halfMe + quarter;
            setPixels(context, rect);
        }