/**************************************************************************** * * ttcmap.h * * TrueType character mapping table (cmap) support (specification). * * Copyright (C) 2002-2021 by * David Turner, Robert Wilhelm, and Werner Lemberg. * * This file is part of the FreeType project, and may only be used, * modified, and distributed under the terms of the FreeType project * license, LICENSE.TXT. By continuing to use, modify, or distribute * this file you indicate that you have read the license and * understand and accept it fully. * */ #ifndef TTCMAP_H_ #define TTCMAP_H_ #include #include #include FT_BEGIN_HEADER #define TT_CMAP_FLAG_UNSORTED 1 #define TT_CMAP_FLAG_OVERLAPPING 2 typedef struct TT_CMapRec_ { FT_CMapRec cmap; FT_Byte* data; /* pointer to in-memory cmap table */ FT_Int flags; /* for format 4 only */ } TT_CMapRec, *TT_CMap; typedef const struct TT_CMap_ClassRec_* TT_CMap_Class; typedef FT_Error (*TT_CMap_ValidateFunc)( FT_Byte* data, FT_Validator valid ); typedef struct TT_CMap_ClassRec_ { FT_CMap_ClassRec clazz; FT_UInt format; TT_CMap_ValidateFunc validate; TT_CMap_Info_GetFunc get_cmap_info; } TT_CMap_ClassRec; #define FT_DEFINE_TT_CMAP( class_, \ size_, \ init_, \ done_, \ char_index_, \ char_next_, \ char_var_index_, \ char_var_default_, \ variant_list_, \ charvariant_list_, \ variantchar_list_, \ format_, \ validate_, \ get_cmap_info_ ) \ FT_CALLBACK_TABLE_DEF \ const TT_CMap_ClassRec class_ = \ { \ { size_, \ init_, \ done_, \ char_index_, \ char_next_, \ char_var_index_, \ char_var_default_, \ variant_list_, \ charvariant_list_, \ variantchar_list_ \ }, \ \ format_, \ validate_, \ get_cmap_info_ \ }; #undef TTCMAPCITEM #define TTCMAPCITEM( a ) FT_CALLBACK_TABLE const TT_CMap_ClassRec a; #include "ttcmapc.h" typedef struct TT_ValidatorRec_ { FT_ValidatorRec validator; FT_UInt num_glyphs; } TT_ValidatorRec, *TT_Validator; #define TT_VALIDATOR( x ) ( (TT_Validator)( x ) ) #define TT_VALID_GLYPH_COUNT( x ) TT_VALIDATOR( x )->num_glyphs FT_CALLBACK_TABLE const TT_CMap_ClassRec tt_cmap_unicode_class_rec; FT_LOCAL( FT_Error ) tt_face_build_cmaps( TT_Face face ); /* used in tt-cmaps service */ FT_LOCAL( FT_Error ) tt_get_cmap_info( FT_CharMap charmap, TT_CMapInfo *cmap_info ); FT_END_HEADER #endif /* TTCMAP_H_ */ /* END */