| /***************************************************************************/ |
| /* */ |
| /* 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 */ |
