‫نحوه استخراج آیکون‌های یک قلم در WPF

using System;
using System.Collections.Generic;
using System.Globalization;
using System.IO;
using System.Windows;
using System.Windows.Media;
using CrMap.Models;

namespace CrMap.ViewModels
{
    public class CrMapViewModel
    {
        public IList<Symbol> Symbols { set; get; }
        public int GridRows { set; get; }
        public int GridCols { set; get; }

        public CrMapViewModel()
        {
            fillDataSource();
        }

        private void fillDataSource()
        {
            Symbols = new List<Symbol>();
            GridCols = 15;

            var fontFamily = new FontFamily(new Uri("pack://application:,,,/"), "/Fonts/#whhglyphs");

            GlyphTypeface glyph = null;
            Typeface glyphTypeface = null;
            foreach (var typeface in fontFamily.GetTypefaces())
            {
                if (typeface.TryGetGlyphTypeface(out glyph) && (glyph != null))
                {
                    glyphTypeface = typeface;
                    break;
                }
            }

            if (glyph == null)
                throw new InvalidOperationException("Couldn't find a GlyphTypeface.");

            GridRows = (glyph.CharacterToGlyphMap.Count / GridCols) + 1;

            foreach (var item in glyph.CharacterToGlyphMap)
            {
                var index = item.Key;
                Symbols.Add(new Symbol
                {
                    Character = Convert.ToChar(index),
                    CharacterCode = string.Format("&#x{0:X}", index)
                });

                saveToFile(glyphTypeface, index);
            }
        }

        private static void saveToFile(Typeface glyphTypeface, int index)
        {
            var formattedText = new FormattedText(
                                        textToFormat: Convert.ToChar(index).ToString(),
                                        culture: new CultureInfo("en-us"),
                                        flowDirection: FlowDirection.LeftToRight,
                                        typeface: glyphTypeface,
                                        emSize: 20,
                                        foreground: Brushes.Black);
            var geometry = formattedText.BuildGeometry(new Point(0, 0));
            var path = geometry.GetFlattenedPathGeometry();
            File.WriteAllText(index + ".path", path.ToString());
        }
    }
}

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