forked from minhngoc25a/freetype2
123 lines
3.5 KiB
C
123 lines
3.5 KiB
C
/****************************************************************************
|
|
*
|
|
* ttcmap.h
|
|
*
|
|
* TrueType character mapping table (cmap) support (specification).
|
|
*
|
|
* Copyright (C) 2002-2019 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 <ft2build.h>
|
|
#include FT_INTERNAL_TRUETYPE_TYPES_H
|
|
#include FT_INTERNAL_VALIDATE_H
|
|
#include FT_SERVICE_TT_CMAP_H
|
|
|
|
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_ \
|
|
};
|
|
|
|
|
|
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 */
|