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/****************************************************************************
*
* svpscmap.h
*
* The FreeType PostScript charmap service (specification).
*
* Copyright (C) 2003-2023 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 SVPSCMAP_H_
#define SVPSCMAP_H_
#include <freetype/internal/ftobjs.h>
FT_BEGIN_HEADER
#define FT_SERVICE_ID_POSTSCRIPT_CMAPS "postscript-cmaps"
/*
* Adobe glyph name to unicode value.
*/
typedef FT_UInt32
(*PS_Unicode_ValueFunc)( const char* glyph_name );
/*
* Macintosh name id to glyph name. `NULL` if invalid index.
*/
typedef const char*
(*PS_Macintosh_NameFunc)( FT_UInt name_index );
/*
* Adobe standard string ID to glyph name. `NULL` if invalid index.
*/
typedef const char*
(*PS_Adobe_Std_StringsFunc)( FT_UInt string_index );
/*
* Simple unicode -> glyph index charmap built from font glyph names table.
*/
typedef struct PS_UniMap_
{
FT_UInt32 unicode; /* bit 31 set: is glyph variant */
FT_UInt glyph_index;
} PS_UniMap;
typedef struct PS_UnicodesRec_* PS_Unicodes;
typedef struct PS_UnicodesRec_
{
FT_CMapRec cmap;
FT_UInt num_maps;
PS_UniMap* maps;
} PS_UnicodesRec;
/*
* A function which returns a glyph name for a given index. Returns
* `NULL` if invalid index.
*/
typedef const char*
(*PS_GetGlyphNameFunc)( FT_Pointer data,
FT_UInt string_index );
/*
* A function used to release the glyph name returned by
* PS_GetGlyphNameFunc, when needed
*/
typedef void
(*PS_FreeGlyphNameFunc)( FT_Pointer data,
const char* name );
typedef FT_Error
(*PS_Unicodes_InitFunc)( FT_Memory memory,
PS_Unicodes unicodes,
FT_UInt num_glyphs,
PS_GetGlyphNameFunc get_glyph_name,
PS_FreeGlyphNameFunc free_glyph_name,
FT_Pointer glyph_data );
typedef FT_UInt
(*PS_Unicodes_CharIndexFunc)( PS_Unicodes unicodes,
FT_UInt32 unicode );
typedef FT_UInt32
(*PS_Unicodes_CharNextFunc)( PS_Unicodes unicodes,
FT_UInt32 *unicode );
FT_DEFINE_SERVICE( PsCMaps )
{
PS_Unicode_ValueFunc unicode_value;
PS_Unicodes_InitFunc unicodes_init;
PS_Unicodes_CharIndexFunc unicodes_char_index;
PS_Unicodes_CharNextFunc unicodes_char_next;
PS_Macintosh_NameFunc macintosh_name;
PS_Adobe_Std_StringsFunc adobe_std_strings;
const unsigned short* adobe_std_encoding;
const unsigned short* adobe_expert_encoding;
};
#define FT_DEFINE_SERVICE_PSCMAPSREC( class_, \
unicode_value_, \
unicodes_init_, \
unicodes_char_index_, \
unicodes_char_next_, \
macintosh_name_, \
adobe_std_strings_, \
adobe_std_encoding_, \
adobe_expert_encoding_ ) \
static const FT_Service_PsCMapsRec class_ = \
{ \
unicode_value_, unicodes_init_, \
unicodes_char_index_, unicodes_char_next_, macintosh_name_, \
adobe_std_strings_, adobe_std_encoding_, adobe_expert_encoding_ \
};
/* */
FT_END_HEADER
#endif /* SVPSCMAP_H_ */
/* END */
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