BananaPiOLEDMonitor.Program.DisplayMonitorPlot C# (CSharp) Method

        static void DisplayMonitorPlot(ArduiPi_OLED.Wrapper wrapper, IMonitorDataSet ds,
            short graphX0, short graphW, short graphY0, short graphH, bool normalize)
        {
            var pts = ds.Points.ToList();

            if (ds.SizeMax != graphW) throw new Exception($"graph width must match dataset points max {graphW} != {ds.SizeMax}");

            // baseline track

            for (int i = graphX0; i < graphX0 + graphW; i += 1)
            {
                wrapper.DrawPixel((short)i, (short)(graphY0), 1);
            }

            var max = 1.0;
            if (normalize)
            {
                foreach (var k in pts) max = Math.Max(max, k.Value);
            }

            for (int i = 0; i < pts.Count; ++i)
            {
                var pt = pts[i];
                var f = pt.Value;
                if (normalize) f = f / max;
                var x1 = (short)(graphX0 + i);
                var y1 = (short)(graphY0 - (f * graphH));

                wrapper.DrawPixel(x1, y1, 1);

                if (i > 0) // glue (x1,y1) with previous point (x0,y0)
                {
                    var ptPrev = pts[i - 1];
                    var fPrev = ptPrev.Value;
                    if (normalize) fPrev = fPrev / max;
                    var x0 = (short)(graphX0 + i - 1);
                    var y0 = (short)(graphY0 - (fPrev * graphH));

                    wrapper.DrawLine(x0, y0, x1, y1, 1);
                }
            }
        }