WIP: use Unicode for charmaps inside a font, try read all unicode symbols.

Voile/Source/Resources/Loaders/FontLoader.cs

@@ -48,6 +48,17 @@ public class FontLoader : ResourceLoader<Font>
                 error = FT_New_Memory_Face(*lib, (byte*)handle.Pointer, (nint)font.BufferSize, 0, &face);
                 error = FT_Set_Pixel_Sizes(face, 0, (uint)font.Size);
 
+                error = FT_Select_Charmap(face, FT_Encoding_.FT_ENCODING_UNICODE);
+
+                uint gid;
+                var charcode = FT_Get_First_Char(face, &gid);
+
+                while (gid != 0)
+                {
+                    Console.WriteLine($"Codepoint: {(char)charcode}, gid {gid}");
+                    charcode = FT_Get_Next_Char(face, charcode, &gid);
+                }
+
                 error = FT_Load_Char(face, 'F', FT_LOAD_NO_BITMAP);
 
                 var metrics = face->glyph->metrics;