1 /**************************************************************************** 2 * 3 * svpscmap.h 4 * 5 * The FreeType PostScript charmap service (specification). 6 * 7 * Copyright 2003-2018 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 52 * table. 53 */ 54 typedef struct PS_UniMap_ 55 { 56 FT_UInt32 unicode; /* bit 31 set: is glyph variant */ 57 FT_UInt glyph_index; 58 59 } PS_UniMap; 60 61 62 typedef struct PS_UnicodesRec_* PS_Unicodes; 63 64 typedef struct PS_UnicodesRec_ 65 { 66 FT_CMapRec cmap; 67 FT_UInt num_maps; 68 PS_UniMap* maps; 69 70 } PS_UnicodesRec; 71 72 73 /* 74 * A function which returns a glyph name for a given index. Returns 75 * NULL if invalid index. 76 */ 77 typedef const char* 78 (*PS_GetGlyphNameFunc)( FT_Pointer data, 79 FT_UInt string_index ); 80 81 /* 82 * A function used to release the glyph name returned by 83 * PS_GetGlyphNameFunc, when needed 84 */ 85 typedef void 86 (*PS_FreeGlyphNameFunc)( FT_Pointer data, 87 const char* name ); 88 89 typedef FT_Error 90 (*PS_Unicodes_InitFunc)( FT_Memory memory, 91 PS_Unicodes unicodes, 92 FT_UInt num_glyphs, 93 PS_GetGlyphNameFunc get_glyph_name, 94 PS_FreeGlyphNameFunc free_glyph_name, 95 FT_Pointer glyph_data ); 96 97 typedef FT_UInt 98 (*PS_Unicodes_CharIndexFunc)( PS_Unicodes unicodes, 99 FT_UInt32 unicode ); 100 101 typedef FT_UInt32 102 (*PS_Unicodes_CharNextFunc)( PS_Unicodes unicodes, 103 FT_UInt32 *unicode ); 104 105 FT_DEFINE_SERVICE(PsCMaps)106 FT_DEFINE_SERVICE( PsCMaps ) 107 { 108 PS_Unicode_ValueFunc unicode_value; 109 110 PS_Unicodes_InitFunc unicodes_init; 111 PS_Unicodes_CharIndexFunc unicodes_char_index; 112 PS_Unicodes_CharNextFunc unicodes_char_next; 113 114 PS_Macintosh_NameFunc macintosh_name; 115 PS_Adobe_Std_StringsFunc adobe_std_strings; 116 const unsigned short* adobe_std_encoding; 117 const unsigned short* adobe_expert_encoding; 118 }; 119 120 121 #define FT_DEFINE_SERVICE_PSCMAPSREC( class_, \ 122 unicode_value_, \ 123 unicodes_init_, \ 124 unicodes_char_index_, \ 125 unicodes_char_next_, \ 126 macintosh_name_, \ 127 adobe_std_strings_, \ 128 adobe_std_encoding_, \ 129 adobe_expert_encoding_ ) \ 130 static const FT_Service_PsCMapsRec class_ = \ 131 { \ 132 unicode_value_, unicodes_init_, \ 133 unicodes_char_index_, unicodes_char_next_, macintosh_name_, \ 134 adobe_std_strings_, adobe_std_encoding_, adobe_expert_encoding_ \ 135 }; 136 137 /* */ 138 139 140 FT_END_HEADER 141 142 143 #endif /* SVPSCMAP_H_ */ 144 145 146 /* END */ 147