Kepler-Release/Venus/Venus_Themes/CustomControls/RingProgress.cs

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Globalization;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Controls.Primitives;
using System.Windows.Data;
using System.Windows.Media;
using System.Windows;

namespace Venus_Themes.CustomControls
{
    public  class RingProgress : RangeBase
    {

        static RingProgress()
        {
            DefaultStyleKeyProperty.OverrideMetadata(typeof(RingProgress), new FrameworkPropertyMetadata(typeof(RingProgress)));
        }

        #region StrokeThickness 圆环描边宽度
        public static readonly DependencyProperty StrokeThicknessProperty =
            DependencyProperty.Register("StrokeThickness", typeof(double), typeof(RingProgress), new PropertyMetadata(10d));

        public double StrokeThickness
        {
            get { return (double)GetValue(StrokeThicknessProperty); }
            set { SetValue(StrokeThicknessProperty, value); }
        }
        #endregion

        #region Stroke 圆环描边颜色
        public static readonly DependencyProperty StrokeProperty =
            DependencyProperty.Register("Stroke", typeof(Brush), typeof(RingProgress), new PropertyMetadata(Brushes.Red));

        public Brush Stroke
        {
            get { return (Brush)GetValue(StrokeProperty); }
            set { SetValue(StrokeProperty, value); }
        }
        #endregion
    }


    internal static class RingProgressExtension
    {
        /// <summary>
        /// 角度转为弧度
        /// </summary>
        /// <param name="a"></param>
        /// <returns></returns>
        public static double AngleToArc(this double a)
        {
            return Math.PI * a / 180;
        }
        /// <summary>
        /// 角度及半径计算坐标点位置
        /// </summary>
        /// <param name="a"></param>
        /// <param name="radius"></param>
        /// <param name="offset"></param>
        /// <returns></returns>
        public static Point AngleToPoint(this double a, double radius, double offset = 0)
        {
            return new Point(Math.Cos(a.AngleToArc()) * radius + radius + offset, Math.Sin(a.AngleToArc()) * radius + radius + offset);
        }
    }
}