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/***************************************************************************/
/* */
/* ttcmap.h */
/* */
/* TrueType character mapping table (cmap) support (specification). */
/* */
/* Copyright 2002-2018 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;
#ifndef FT_CONFIG_OPTION_PIC
#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_ \
};
#else /* FT_CONFIG_OPTION_PIC */
#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_ ) \
void \
FT_Init_Class_ ## class_( TT_CMap_ClassRec* clazz ) \
{ \
clazz->clazz.size = size_; \
clazz->clazz.init = init_; \
clazz->clazz.done = done_; \
clazz->clazz.char_index = char_index_; \
clazz->clazz.char_next = char_next_; \
clazz->clazz.char_var_index = char_var_index_; \
clazz->clazz.char_var_default = char_var_default_; \
clazz->clazz.variant_list = variant_list_; \
clazz->clazz.charvariant_list = charvariant_list_; \
clazz->clazz.variantchar_list = variantchar_list_; \
clazz->format = format_; \
clazz->validate = validate_; \
clazz->get_cmap_info = get_cmap_info_; \
}
#endif /* FT_CONFIG_OPTION_PIC */
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 */
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