Error code returned by the various FontEngine functions.
| Success | Error code returned when the function was successfully executed. |
| Invalid_File_Path | Error code returned by the LoadFontFace function when the file path to the source font file appears invalid. |
| Invalid_File_Format | Error code returned by the LoadFontFace function when the source font file is of an unknown or invalid format. |
| Invalid_File_Structure | Error code returned by the LoadFontFace function when the source font file appears invalid or improperly formatted. |
| Invalid_Glyph_Index | Error code returned by the LoadGlyph function when referencing an invalid or out of range glyph index value. |
| Invalid_Character_Code | Error code returned by the LoadGlyph function when referencing an invalid Unicode character value. |
| Invalid_Pixel_Size | Error code returned by the LoadGlyph or SetFaceSize functions using an invalid pointSize value. |