kc3-lang/freetype/src/shared/psnames.h
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Hash : 5dc8aba7
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Date : 2000-02-10T17:01:24
some modifications used to introduce the Type 1 AFM parser and psnames module
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src/shared/psnames.h
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/***************************************************************************/ /* */ /* psnames.h */ /* */ /* High-level interface for the "psnames" module (in charge of */ /* various functions related to Postscript glyph names conversion) */ /* */ /* Copyright 1996-2000 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 <freetype.h> /************************************************************************** * * <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. 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_ULong (*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 :: number of glyphs in face * glyph_names :: array of glyph name pointers * uncode :: unicode value. * * <Return> * The glyph index. 0xFFFF is no glyph correspond to this Unicode * value.. * * <Note> * This function is able to recognize several glyph names per * unicode values, 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 one * Apple glyph name index. * * <Input> * name_index :: index of the Mac name * * <Return> * The glyph name, or 0 if the index is incorrect. * * <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 ); /*************************************************************************** * * <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 :: number of glyphs in the font that match a given Unicode * value.. * * unicodes :: array of unicode values, sorted in increasing order * gindex :: array of glyph indices, corresponding to each unicode * * <Note> * Use the function PS_Lookup_Unicode to retrieve the glyph index * corresponding to a given Unicode character code. * ***************************************************************************/ typedef struct PS_UniMap_ { FT_UInt unicode; FT_UInt glyph_index; } PS_UniMap; 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 ); /************************************************************************* * * <Struct> * PSNames_Interface * * <Description> * this structure holds pointers to the functions used to load and * free the basic tables that are required in a `sfnt' font file. * * <Field> * unicode_value :: a function used to convert a glyph name into * a Unicode character code * * unicode_index :: 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 given * Adobe Standard Strings given a 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> * The 'unicode_value' and 'unicode_index' will be set to 0 if the * configuration macro FT_CONFIG_OPTION_ADOBE_GLYPH_LIST is undefined * * The '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; } PSNames_Interface; #endif /* PSNAMES_H */ /* END */