filters update

2026-08-25 13:58:04 +00:00 · 2026-02-23 17:27:35 -08:00
parent 7253f61299
commit 467a8c1cef
239 changed files with 17880 additions and 6329 deletions
@@ -0,0 +1,61 @@
+using System.Drawing;
+using System.Runtime.CompilerServices;
+using TradingPlatform.BusinessLayer;
+
+namespace QuanTAlib;
+
+[SkipLocalsInit]
+public sealed class HaIndicator : Indicator, IWatchlistIndicator
+{
+    [InputParameter("Show cold values", sortIndex: 21)]
+    public bool ShowColdValues { get; set; } = true;
+
+    private Ha _ha = null!;
+    private readonly LineSeries _openSeries;
+    private readonly LineSeries _highSeries;
+    private readonly LineSeries _lowSeries;
+    private readonly LineSeries _closeSeries;
+
+    public static int MinHistoryDepths => 1;
+    int IWatchlistIndicator.MinHistoryDepths => MinHistoryDepths;
+
+    public override string ShortName => "HA";
+    public override string SourceCodeLink => "https://github.com/mihakralj/QuanTAlib/blob/main/lib/core/ha/Ha.Quantower.cs";
+
+    public HaIndicator()
+    {
+        OnBackGround = true;
+        SeparateWindow = false;
+        Name = "HA - Heikin-Ashi";
+        Description = "Transforms standard OHLC bars into smoothed Heikin-Ashi candles that filter noise and clarify trend direction.";
+
+        _openSeries = new LineSeries(name: "HA Open", color: Color.FromArgb(0, 200, 0), width: 2, style: LineStyle.Solid);
+        _highSeries = new LineSeries(name: "HA High", color: IndicatorExtensions.Averages, width: 1, style: LineStyle.Solid);
+        _lowSeries = new LineSeries(name: "HA Low", color: IndicatorExtensions.Averages, width: 1, style: LineStyle.Solid);
+        _closeSeries = new LineSeries(name: "HA Close", color: IndicatorExtensions.Averages, width: 2, style: LineStyle.Solid);
+
+        AddLineSeries(_openSeries);
+        AddLineSeries(_highSeries);
+        AddLineSeries(_lowSeries);
+        AddLineSeries(_closeSeries);
+    }
+
+    protected override void OnInit()
+    {
+        _ha = new Ha();
+        base.OnInit();
+    }
+
+    [MethodImpl(MethodImplOptions.AggressiveInlining)]
+    protected override void OnUpdate(UpdateArgs args)
+    {
+        TBar bar = this.GetInputBar(args);
+        _ = _ha.UpdateBar(bar, isNew: args.IsNewBar());
+
+        TBar haBar = _ha.LastBar;
+        _openSeries.SetValue(haBar.Open, _ha.IsHot, ShowColdValues);
+        _highSeries.SetValue(haBar.High, _ha.IsHot, ShowColdValues);
+        _lowSeries.SetValue(haBar.Low, _ha.IsHot, ShowColdValues);
+        _closeSeries.SetValue(haBar.Close, _ha.IsHot, ShowColdValues);
+    }
+}