PKHeX/PKHeX.WinForms/Util/FontUtil.cs

using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.Drawing;
using System.Drawing.Text;
using System.IO;
using PKHeX.WinForms.Properties;

namespace PKHeX.WinForms
{
    public static class FontUtil
    {
        private static readonly PrivateFontCollection CustomFonts = new PrivateFontCollection();

        static FontUtil()
        {
            string g6path = Path.Combine(Path.GetTempPath(), "pgldings6.ttf");
            try
            {
                if (!File.Exists(g6path))
                    File.WriteAllBytes(g6path, Resources.pgldings_normalregular);
            }
            catch (Exception ex)
            {
                Debug.WriteLine($"Unable to add in-game font: {ex.Message}");
                return;
            }

            CustomFonts.AddFontFile(g6path);
        }

        public static Font GetPKXFont(float size = 11f)
        {
            if (GeneratedFonts.TryGetValue(size, out var f))
                return f;
            var family = CustomFonts.Families.Length == 0 ? FontFamily.GenericSansSerif : CustomFonts.Families[0];
            var font = new Font(family, size);
            GeneratedFonts.Add(size, font);
            return font;
        }

        private static readonly Dictionary<float, Font> GeneratedFonts = new Dictionary<float, Font>();
    }
}