1 /**************************************************************************** 2 * 3 * svpscmap.h 4 * 5 * The FreeType PostScript charmap service (specification). 6 * 7 * Copyright (C) 2003-2019 by 8 * David Turner, Robert Wilhelm, and Werner Lemberg. 9 * 10 * This file is part of the FreeType project, and may only be used, 11 * modified, and distributed under the terms of the FreeType project 12 * license, LICENSE.TXT. By continuing to use, modify, or distribute 13 * this file you indicate that you have read the license and 14 * understand and accept it fully. 15 * 16 */ 17 18 19 #ifndef SVPSCMAP_H_ 20 #define SVPSCMAP_H_ 21 22 #include FT_INTERNAL_OBJECTS_H 23 24 25 FT_BEGIN_HEADER 26 27 28 #define FT_SERVICE_ID_POSTSCRIPT_CMAPS "postscript-cmaps" 29 30 31 /* 32 * Adobe glyph name to unicode value. 33 */ 34 typedef FT_UInt32 35 (*PS_Unicode_ValueFunc)( const char* glyph_name ); 36 37 /* 38 * Macintosh name id to glyph name. `NULL` if invalid index. 39 */ 40 typedef const char* 41 (*PS_Macintosh_NameFunc)( FT_UInt name_index ); 42 43 /* 44 * Adobe standard string ID to glyph name. `NULL` if invalid index. 45 */ 46 typedef const char* 47 (*PS_Adobe_Std_StringsFunc)( FT_UInt string_index ); 48 49 50 /* 51 * Simple unicode -> glyph index charmap built from font glyph names table. 52 */ 53 typedef struct PS_UniMap_ 54 { 55 FT_UInt32 unicode; /* bit 31 set: is glyph variant */ 56 FT_UInt glyph_index; 57 58 } PS_UniMap; 59 60 61 typedef struct PS_UnicodesRec_* PS_Unicodes; 62 63 typedef struct PS_UnicodesRec_ 64 { 65 FT_CMapRec cmap; 66 FT_UInt num_maps; 67 PS_UniMap* maps; 68 69 } PS_UnicodesRec; 70 71 72 /* 73 * A function which returns a glyph name for a given index. Returns 74 * `NULL` if invalid index. 75 */ 76 typedef const char* 77 (*PS_GetGlyphNameFunc)( FT_Pointer data, 78 FT_UInt string_index ); 79 80 /* 81 * A function used to release the glyph name returned by 82 * PS_GetGlyphNameFunc, when needed 83 */ 84 typedef void 85 (*PS_FreeGlyphNameFunc)( FT_Pointer data, 86 const char* name ); 87 88 typedef FT_Error 89 (*PS_Unicodes_InitFunc)( FT_Memory memory, 90 PS_Unicodes unicodes, 91 FT_UInt num_glyphs, 92 PS_GetGlyphNameFunc get_glyph_name, 93 PS_FreeGlyphNameFunc free_glyph_name, 94 FT_Pointer glyph_data ); 95 96 typedef FT_UInt 97 (*PS_Unicodes_CharIndexFunc)( PS_Unicodes unicodes, 98 FT_UInt32 unicode ); 99 100 typedef FT_UInt32 101 (*PS_Unicodes_CharNextFunc)( PS_Unicodes unicodes, 102 FT_UInt32 *unicode ); 103 104 FT_DEFINE_SERVICE(PsCMaps)105 FT_DEFINE_SERVICE( PsCMaps ) 106 { 107 PS_Unicode_ValueFunc unicode_value; 108 109 PS_Unicodes_InitFunc unicodes_init; 110 PS_Unicodes_CharIndexFunc unicodes_char_index; 111 PS_Unicodes_CharNextFunc unicodes_char_next; 112 113 PS_Macintosh_NameFunc macintosh_name; 114 PS_Adobe_Std_StringsFunc adobe_std_strings; 115 const unsigned short* adobe_std_encoding; 116 const unsigned short* adobe_expert_encoding; 117 }; 118 119 120 #define FT_DEFINE_SERVICE_PSCMAPSREC( class_, \ 121 unicode_value_, \ 122 unicodes_init_, \ 123 unicodes_char_index_, \ 124 unicodes_char_next_, \ 125 macintosh_name_, \ 126 adobe_std_strings_, \ 127 adobe_std_encoding_, \ 128 adobe_expert_encoding_ ) \ 129 static const FT_Service_PsCMapsRec class_ = \ 130 { \ 131 unicode_value_, unicodes_init_, \ 132 unicodes_char_index_, unicodes_char_next_, macintosh_name_, \ 133 adobe_std_strings_, adobe_std_encoding_, adobe_expert_encoding_ \ 134 }; 135 136 /* */ 137 138 139 FT_END_HEADER 140 141 142 #endif /* SVPSCMAP_H_ */ 143 144 145 /* END */ 146