feat(windows): add SparklineControl.cs

2026-05-08 12:12:55 +02:00
parent c223bfba72
commit 4f481a06c3
1 changed files with 61 additions and 0 deletions
@@ -0,0 +1,61 @@
+using System;
+using System.Collections.Generic;
+using System.Windows;
+using System.Windows.Media;
+
+namespace ClaudeCheckerWindows.Controls;
+
+public class SparklineControl : FrameworkElement
+{
+    public static readonly DependencyProperty DataProperty =
+        DependencyProperty.Register(nameof(Data), typeof(IList<double>), typeof(SparklineControl),
+            new FrameworkPropertyMetadata(null, FrameworkPropertyMetadataOptions.AffectsRender));
+
+    public static readonly DependencyProperty LineColorProperty =
+        DependencyProperty.Register(nameof(LineColor), typeof(Color), typeof(SparklineControl),
+            new FrameworkPropertyMetadata(Colors.Orange, FrameworkPropertyMetadataOptions.AffectsRender));
+
+    public IList<double>? Data      { get => (IList<double>?)GetValue(DataProperty); set => SetValue(DataProperty, value); }
+    public Color          LineColor { get => (Color)GetValue(LineColorProperty);      set => SetValue(LineColorProperty, value); }
+
+    protected override void OnRender(DrawingContext dc)
+    {
+        var data = Data;
+        if (data == null || data.Count < 1) return;
+
+        var plot = data.Count == 1 ? new[] { data[0], data[0] } : [.. data];
+
+        var w    = RenderSize.Width;
+        var h    = RenderSize.Height;
+        var minV = double.MaxValue;
+        var maxV = double.MinValue;
+
+        foreach (var v in plot) { minV = Math.Min(minV, v); maxV = Math.Max(maxV, v); }
+        var range = Math.Max(maxV - minV, 1);
+
+        Point Pt(int i) => new(
+            i / (double)(plot.Count - 1) * w,
+            h - (plot[i] - minV) / range * (h - 6) - 3);
+
+        // Fill
+        var fill = new StreamGeometry();
+        using (var ctx = fill.Open())
+        {
+            ctx.BeginFigure(new Point(0, h), true, true);
+            for (var i = 0; i < plot.Count; i++) ctx.LineTo(Pt(i), true, false);
+            ctx.LineTo(new Point(w, h), true, false);
+        }
+        fill.Freeze();
+        dc.DrawGeometry(new SolidColorBrush(Color.FromArgb(26, LineColor.R, LineColor.G, LineColor.B)), null, fill);
+
+        // Line
+        var line = new StreamGeometry();
+        using (var ctx = line.Open())
+        {
+            ctx.BeginFigure(Pt(0), false, false);
+            for (var i = 1; i < plot.Count; i++) ctx.LineTo(Pt(i), true, false);
+        }
+        line.Freeze();
+        dc.DrawGeometry(null, new Pen(new SolidColorBrush(LineColor), 1.5) { LineJoin = PenLineJoin.Round }, line);
+    }
+}