public void RedrawGraphs()
{
if (!Graphs.Any())
{
return;
}
MinDate = Graphs.Min(g => g.Plots.Min(p => p.DataSeries.Elements.ToArray().First().Timestamp));
MaxDate = Graphs.Max(g => g.Plots.Max(p => p.DataSeries.Elements.ToArray().Last().Timestamp));
if (Period == PeriodType.OneDay)
{
TotalSlots = CalcTotalSlots(out _Timestamps);
}
else
{
throw new Exception("didn't expect " + Period);
}
SlotPxWidth = Math.Max(MinSlotPxWidth, AvailableWidth / TotalSlots);
SlotsInView = (int)Math.Floor(AvailableWidth / SlotPxWidth);
if (SlotsInView == 0)
{
return;
}
foreach (var g in Graphs)
{
g.Redraw();
}
Parent.TimeAxisGraph.Redraw();
Update();
}
/// <summary>
/// Generates a new color of the same tone as the basecolor of the given type
/// </summary>
public System.Windows.Media.Color NewColor(IGraphType type)
{
System.Drawing.Color newColor;
// Get basecolor of the type
var baseColorWpf = typeColors[Types.IndexOf(Types.Single(t => t.Model.GetType() == type.GetType()))];
var baseColor = System.Drawing.Color.FromArgb(baseColorWpf.R, baseColorWpf.G, baseColorWpf.B);
var h = baseColor.GetHue();
var random = new Random();
do
{
// Generate new color by using the hue of the basecolor and getting a random brightness and saturation.
newColor = HslHelper.HslToRgb(h, random.NextDouble(), random.NextDouble());
} while (!IsInInterval(0.5, newColor.GetSaturation(), 0.3) || !IsInInterval(0.5, newColor.GetBrightness(), 0.3) || Graphs.Any(g => SimilarColor(Color.FromArgb(g.LineColor.R, g.LineColor.G, g.LineColor.B), newColor)));
return(System.Windows.Media.Color.FromRgb(newColor.R, newColor.G, newColor.B));
}