normalization of methods

2026-08-24 21:48:03 +00:00 · 2026-02-10 21:33:16 -08:00
parent 915d7a007b
commit 6d6259a47d
527 changed files with 10525 additions and 2123 deletions
@@ -0,0 +1,66 @@
+using System.Drawing;
+using System.Runtime.CompilerServices;
+using TradingPlatform.BusinessLayer;
+
+namespace QuanTAlib;
+
+[SkipLocalsInit]
+public sealed class TtmTrendIndicator : Indicator, IWatchlistIndicator
+{
+    [InputParameter("Period", sortIndex: 0, 1, 100, 1, 0)]
+    public int Period { get; set; } = 6;
+
+    [InputParameter("Show cold values", sortIndex: 21)]
+    public bool ShowColdValues { get; set; } = true;
+
+    public override string ShortName => $"TTM_TREND({Period})";
+
+    public static int MinHistoryDepths => 0;
+    int IWatchlistIndicator.MinHistoryDepths => MinHistoryDepths;
+
+    private TtmTrend _indicator = null!;
+    private readonly LineSeries _series;
+
+    public TtmTrendIndicator()
+    {
+        Name = "TTM Trend";
+        Description = "John Carter's TTM Trend - EMA-based trend indicator with color-coded direction.";
+        _series = new LineSeries("TTM Trend", Color.Gray, 3, LineStyle.Solid);
+        AddLineSeries(_series);
+        SeparateWindow = false;
+        OnBackGround = true;
+    }
+
+    protected override void OnInit()
+    {
+        _indicator = new TtmTrend(Period);
+        base.OnInit();
+    }
+
+    [MethodImpl(MethodImplOptions.AggressiveInlining)]
+    protected override void OnUpdate(UpdateArgs args)
+    {
+        bool isNew = args.IsNewBar();
+        var bar = this.GetInputBar(args);
+        var result = _indicator.Update(bar, isNew);
+        _series.SetValue(result.Value, _indicator.IsHot, ShowColdValues);
+
+        // Color based on trend direction
+        if (_indicator.IsHot)
+        {
+            Color trendColor = _indicator.Trend switch
+            {
+                1 => Color.Green,
+                -1 => Color.Red,
+                _ => Color.Gray
+            };
+            _series.SetMarker(0, trendColor);
+        }
+    }
+
+    [MethodImpl(MethodImplOptions.AggressiveInlining)]
+    public override void OnPaintChart(PaintChartEventArgs args)
+    {
+        base.OnPaintChart(args);
+    }
+}