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