ref: 410c1337e07a9f1d521360a160903fe32b4e0d4a
dir: /include/freetype/internal/psnames.h/
/***************************************************************************/
/* */
/* psnames.h */
/* */
/* High-level interface for the `PSNames' module (in charge of */
/* various functions related to Postscript glyph names conversion). */
/* */
/* Copyright 1996-2001, 2002 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 __PSNAMES_H__
#define __PSNAMES_H__
#include <ft2build.h>
#include FT_FREETYPE_H
FT_BEGIN_HEADER
/*************************************************************************/
/* */
/* <FuncType> */
/* PS_Unicode_Value_Func */
/* */
/* <Description> */
/* A function used to return the Unicode index corresponding to a */
/* given glyph name. */
/* */
/* <Input> */
/* glyph_name :: The glyph name. */
/* */
/* <Return> */
/* The Unicode character index resp. the non-Unicode value 0xFFFF if */
/* the glyph name has no known Unicode meaning. */
/* */
/* <Note> */
/* This function is able to map several different glyph names to the */
/* same Unicode value, according to the rules defined in the Adobe */
/* Glyph List table. */
/* */
/* This function will not be compiled if the configuration macro */
/* FT_CONFIG_OPTION_ADOBE_GLYPH_LIST is undefined. */
/* */
typedef FT_UInt32
(*PS_Unicode_Value_Func)( const char* glyph_name );
/*************************************************************************/
/* */
/* <FuncType> */
/* PS_Unicode_Index_Func */
/* */
/* <Description> */
/* A function used to return the glyph index corresponding to a given */
/* Unicode value. */
/* */
/* <Input> */
/* num_glyphs :: The number of glyphs in the face. */
/* */
/* glyph_names :: An array of glyph name pointers. */
/* */
/* unicode :: The Unicode value. */
/* */
/* <Return> */
/* The glyph index resp. 0xFFFF if no glyph corresponds to this */
/* Unicode value. */
/* */
/* <Note> */
/* This function is able to recognize several glyph names per Unicode */
/* value, according to the Adobe Glyph List. */
/* */
/* This function will not be compiled if the configuration macro */
/* FT_CONFIG_OPTION_ADOBE_GLYPH_LIST is undefined. */
/* */
typedef FT_UInt
(*PS_Unicode_Index_Func)( FT_UInt num_glyphs,
const char** glyph_names,
FT_ULong unicode );
/*************************************************************************/
/* */
/* <FuncType> */
/* PS_Macintosh_Name_Func */
/* */
/* <Description> */
/* A function used to return the glyph name corresponding to an Apple */
/* glyph name index. */
/* */
/* <Input> */
/* name_index :: The index of the Mac name. */
/* */
/* <Return> */
/* The glyph name, or 0 if the index is invalid. */
/* */
/* <Note> */
/* This function will not be compiled if the configuration macro */
/* FT_CONFIG_OPTION_POSTSCRIPT_NAMES is undefined. */
/* */
typedef const char*
(*PS_Macintosh_Name_Func)( FT_UInt name_index );
typedef const char*
(*PS_Adobe_Std_Strings_Func)( FT_UInt string_index );
typedef struct PS_UniMap_
{
FT_UInt unicode;
FT_UInt glyph_index;
} PS_UniMap;
/*************************************************************************/
/* */
/* <Struct> */
/* PS_Unicodes */
/* */
/* <Description> */
/* A simple table used to map Unicode values to glyph indices. It is */
/* built by the PS_Build_Unicodes table according to the glyphs */
/* present in a font file. */
/* */
/* <Fields> */
/* num_codes :: The number of glyphs in the font that match a given */
/* Unicode value. */
/* */
/* unicodes :: An array of unicode values, sorted in increasing */
/* order. */
/* */
/* gindex :: An array of glyph indices, corresponding to each */
/* Unicode value. */
/* */
/* <Note> */
/* Use the function PS_Lookup_Unicode() to retrieve the glyph index */
/* corresponding to a given Unicode character code. */
/* */
typedef struct PS_Unicodes_
{
FT_UInt num_maps;
PS_UniMap* maps;
} PS_Unicodes;
typedef FT_Error
(*PS_Build_Unicodes_Func)( FT_Memory memory,
FT_UInt num_glyphs,
const char** glyph_names,
PS_Unicodes* unicodes );
typedef FT_UInt
(*PS_Lookup_Unicode_Func)( PS_Unicodes* unicodes,
FT_UInt unicode );
typedef FT_ULong
(*PS_Next_Unicode_Func)( PS_Unicodes* unicodes,
FT_ULong unicode );
/*************************************************************************/
/* */
/* <Struct> */
/* PSNames_Interface */
/* */
/* <Description> */
/* This structure defines the PSNames interface. */
/* */
/* <Fields> */
/* unicode_value :: A function used to convert a glyph name */
/* into a Unicode character code. */
/* */
/* build_unicodes :: A function which builds up the Unicode */
/* mapping table. */
/* */
/* lookup_unicode :: A function used to return the glyph index */
/* corresponding to a given Unicode */
/* character. */
/* */
/* macintosh_name :: A function used to return the standard */
/* Apple glyph Postscript name corresponding */
/* to a given string index (used by the */
/* TrueType `post' table). */
/* */
/* adobe_std_strings :: A function that returns a pointer to a */
/* Adobe Standard String for a given SID. */
/* */
/* adobe_std_encoding :: A table of 256 unsigned shorts that maps */
/* character codes in the Adobe Standard */
/* Encoding to SIDs. */
/* */
/* adobe_expert_encoding :: A table of 256 unsigned shorts that maps */
/* character codes in the Adobe Expert */
/* Encoding to SIDs. */
/* */
/* <Note> */
/* `unicode_value' and `unicode_index' will be set to 0 if the */
/* configuration macro FT_CONFIG_OPTION_ADOBE_GLYPH_LIST is */
/* undefined. */
/* */
/* `macintosh_name' will be set to 0 if the configuration macro */
/* FT_CONFIG_OPTION_POSTSCRIPT_NAMES is undefined. */
/* */
typedef struct PSNames_Interface_
{
PS_Unicode_Value_Func unicode_value;
PS_Build_Unicodes_Func build_unicodes;
PS_Lookup_Unicode_Func lookup_unicode;
PS_Macintosh_Name_Func macintosh_name;
PS_Adobe_Std_Strings_Func adobe_std_strings;
const unsigned short* adobe_std_encoding;
const unsigned short* adobe_expert_encoding;
PS_Next_Unicode_Func next_unicode;
} PSNames_Interface;
typedef PSNames_Interface* PSNames_Service;
FT_END_HEADER
#endif /* __PSNAMES_H__ */
/* END */