public static Bitmap GraphSpeeds(HistoryDiff diff, int width, int height, Color incoming, Color outgoing, Color background, float thickness)
{
Bitmap img = new Bitmap(width, height, PixelFormat.Format32bppArgb);
GC.Collect();
Graphics g = Graphics.FromImage(img);
g.CompositingQuality = CompositingQuality.HighQuality;
g.InterpolationMode = InterpolationMode.High;
g.PixelOffsetMode = PixelOffsetMode.HighQuality;
g.SmoothingMode = SmoothingMode.HighQuality;
g.Clear(background);
if (diff.Count <= 1)
{
return(img);
}
Pen incomingPen = new Pen(incoming, thickness);
Pen outgoingPen = new Pen(outgoing, thickness);
double maxr = (diff.OrderByDescending(hdi => hdi.Received)).First().Received;
double maxs = (diff.OrderByDescending(hdi => hdi.Sent)).First().Sent;
double max = Math.Max(maxr, maxs);
if (max <= 0)
{
return(img);
}
List <PointF> pointsR = new List <PointF>(0);
List <PointF> pointsS = new List <PointF>(0);
diff.Sort();
foreach (HistoryDiffItem hdi in diff)
{
float x = (float)(((hdi.Time.TotalSeconds + (diff.Span - diff.Current.Time.TotalSeconds)) / diff.Span) * width);
float yR = (float)(height - ((hdi.Received / max) * (height * 0.8)));
pointsR.Add(new PointF(x, yR));
float yS = (float)(height - ((hdi.Sent / max) * (height * 0.8)));
pointsS.Add(new PointF(x, yS));
}
g.DrawLines(incomingPen, pointsR.ToArray());
g.DrawLines(outgoingPen, pointsS.ToArray());
incomingPen.Dispose();
outgoingPen.Dispose();
g.Dispose();
return(img);
}
public void DisplayData(string header, History history)
{
HistoryDiff diff = history.Diff();
displayLabelHeader.Text = header;
displayLabelIncoming.Text = MainClass.FormatSizestr(diff.Empty ? 0 : diff.Current.Received) + "/s";
displayLabelOutgoing.Text = MainClass.FormatSizestr(diff.Empty ? 0 : diff.Current.Sent) + "/s";
double maxr = diff.Empty ? 0 : (diff.OrderByDescending(hdi => hdi.Received)).First().Received;
double maxs = diff.Empty ? 0 : (diff.OrderByDescending(hdi => hdi.Sent)).First().Sent;
string str = "Peak in: " + MainClass.FormatSizestr(maxr) + "/s\n";
str += "Peak out: " + MainClass.FormatSizestr(maxs) + "/s\n\n";
str += "Received: " + MainClass.FormatSizestr(history.Empty ? 0 : history.Current.Received) + "\n";
str += "Sent: " + MainClass.FormatSizestr(history.Empty ? 0 : history.Current.Sent);
displayLabelFooter.Text = str;
Image i = displayImage.Image;
displayImage.Image = Graph.GraphSpeeds(diff, (int)(SCALE * (displayImage.Width - 10)), (int)(SCALE * (displayImage.Height - 10)), Color.LimeGreen, Color.Red, Color.Black, 3);
i.Dispose();
}