AutoPatientInfoRecorder/src/AntdUI/Lib/SVG/Paths/SvgPathBuilder.cs

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// THIS FILE IS PART OF SVG PROJECT
// THE SVG PROJECT IS AN OPENSOURCE LIBRARY LICENSED UNDER THE MS-PL License.
// COPYRIGHT (C) svg-net. ALL RIGHTS RESERVED.
// GITHUB: https://github.com/svg-net/SVG

using AntdUI.Svg.Pathing;
using System;
using System.Collections.Generic;
using System.Drawing;
using System.Linq;

namespace AntdUI.Svg
{
    public static class PointFExtensions
    {
        public static string ToSvgString(this PointF p)
        {
            return p.X.ToString() + " " + p.Y.ToString();
        }
    }

    internal class SvgPathConverter
    {
        /// <summary>
        /// Parses the specified string into a collection of path segments.
        /// </summary>
        /// <param name="value">A <see cref="string"/> containing path data.</param>
        public static SvgPathSegmentList Parse(string value)
        {
            if (string.IsNullOrEmpty(value)) throw new ArgumentNullException("path");
            var segments = new SvgPathSegmentList();
            try
            {
                char command;
                bool isRelative;
                foreach (var commandSet in SplitCommands(value.TrimEnd(null)))
                {
                    command = commandSet[0];
                    isRelative = char.IsLower(command);
                    CreatePathSegment(command, segments, new CoordinateParser(commandSet.Trim()), isRelative);
                }
            }
            catch
            { }
            return segments;
        }

        static void CreatePathSegment(char command, SvgPathSegmentList segments, CoordinateParser parser, bool isRelative)
        {
            var coords = new float[6];
            switch (command)
            {
                case 'm': // relative moveto
                case 'M': // moveto
                    if (parser.TryGetFloat(out coords[0]) && parser.TryGetFloat(out coords[1]))
                    {
                        segments.Add(new SvgMoveToSegment(ToAbsolute(coords[0], coords[1], segments, isRelative)));
                    }

                    while (parser.TryGetFloat(out coords[0]) && parser.TryGetFloat(out coords[1]))