OnlineMonitorSystem/HandyControl/Microsoft.Expression.Drawing/Shapes/Arc.cs

using System.Windows;
using System.Windows.Media;
using HandyControl.Expression.Media;

namespace HandyControl.Expression.Shapes;

public sealed class Arc : PrimitiveShape, IArcGeometrySourceParameters
{
    public static readonly DependencyProperty ArcThicknessProperty =
        DependencyProperty.Register("ArcThickness", typeof(double), typeof(Arc),
            new DrawingPropertyMetadata(0.0, DrawingPropertyMetadataOptions.AffectsRender));

    public static readonly DependencyProperty ArcThicknessUnitProperty =
        DependencyProperty.Register("ArcThicknessUnit", typeof(UnitType), typeof(Arc),
            new DrawingPropertyMetadata(UnitType.Pixel, DrawingPropertyMetadataOptions.AffectsRender));

    public static readonly DependencyProperty EndAngleProperty = DependencyProperty.Register("EndAngle",
        typeof(double), typeof(Arc),
        new DrawingPropertyMetadata(90.0, DrawingPropertyMetadataOptions.AffectsRender));

    public static readonly DependencyProperty StartAngleProperty =
        DependencyProperty.Register("StartAngle", typeof(double), typeof(Arc),
            new DrawingPropertyMetadata(0.0, DrawingPropertyMetadataOptions.AffectsRender));

    public double ArcThickness
    {
        get => (double) GetValue(ArcThicknessProperty);
        set => SetValue(ArcThicknessProperty, value);
    }

    public UnitType ArcThicknessUnit
    {
        get => (UnitType) GetValue(ArcThicknessUnitProperty);
        set => SetValue(ArcThicknessUnitProperty, value);
    }

    public double EndAngle
    {
        get => (double) GetValue(EndAngleProperty);
        set => SetValue(EndAngleProperty, value);
    }

    Stretch IGeometrySourceParameters.Stretch => Stretch;

    Brush IGeometrySourceParameters.Stroke => Stroke;

    double IGeometrySourceParameters.StrokeThickness => StrokeThickness;

    public double StartAngle
    {
        get => (double) GetValue(StartAngleProperty);
        set => SetValue(StartAngleProperty, value);
    }

    protected override IGeometrySource CreateGeometrySource()
    {
        return new ArcGeometrySource();
    }
}