ref: 5dc8aba72bf072ad5000c26d974d86bcc95aaa92
parent: 1a26888da3d9168cbcb403dc28511bd222b5e12b
author: David Turner <[email protected]>
date: Thu Feb 10 12:01:24 EST 2000
some modifications used to introduce the Type 1 AFM parser and psnames module
--- /dev/null
+++ b/src/shared/psnames.h
@@ -1,0 +1,214 @@
+/***************************************************************************/
+/* */
+/* 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 */
--- a/src/shared/t1types.h
+++ b/src/shared/t1types.h
@@ -22,8 +22,8 @@
#define T1TYPES_H
#include <freetype.h>
+#include <psnames.h>
-
#ifdef __cplusplus
extern "C" {#endif
@@ -290,7 +290,7 @@
T1_Int code_first;
T1_Int code_last;
- T1_Short* char_index;
+ T1_UShort* char_index;
T1_String** char_name;
} T1_Encoding;
@@ -427,8 +427,13 @@
typedef struct T1_FaceRec_
{- FT_FaceRec root;
- T1_Font type1;
+ FT_FaceRec root;
+ T1_Font type1;
+ void* psnames;
+ void* afm_data;
+ FT_CharMapRec charmaprecs[2];
+ FT_CharMap charmaps[2];
+ PS_Unicodes unicode_map;
} T1_FaceRec;
--- a/src/shared/tttypes.h
+++ b/src/shared/tttypes.h
@@ -1999,6 +1999,10 @@
/* the basic TrueType tables in the face object */
void* sfnt;
+ /* a typeless pointer to the PSNames_Interface table used to */
+ /* handle glyph names <-> unicode & Mac values */
+ void* psnames;
+
/***********************************************************************/
/* */
/* Optional TrueType/OpenType tables */