1 /**************************************************************************** 2 * 3 * cidriver.c 4 * 5 * CID driver interface (body). 6 * 7 * Copyright (C) 1996-2020 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 #include "cidriver.h" 20 #include "cidgload.h" 21 #include <freetype/internal/ftdebug.h> 22 #include <freetype/internal/ftpsprop.h> 23 24 #include "ciderrs.h" 25 26 #include <freetype/internal/services/svpostnm.h> 27 #include <freetype/internal/services/svfntfmt.h> 28 #include <freetype/internal/services/svpsinfo.h> 29 #include <freetype/internal/services/svcid.h> 30 #include <freetype/internal/services/svprop.h> 31 #include <freetype/ftdriver.h> 32 33 #include <freetype/internal/psaux.h> 34 35 36 /************************************************************************** 37 * 38 * The macro FT_COMPONENT is used in trace mode. It is an implicit 39 * parameter of the FT_TRACE() and FT_ERROR() macros, used to print/log 40 * messages during execution. 41 */ 42 #undef FT_COMPONENT 43 #define FT_COMPONENT ciddriver 44 45 46 /* 47 * POSTSCRIPT NAME SERVICE 48 * 49 */ 50 51 static const char* cid_get_postscript_name(CID_Face face)52 cid_get_postscript_name( CID_Face face ) 53 { 54 const char* result = face->cid.cid_font_name; 55 56 57 if ( result && result[0] == '/' ) 58 result++; 59 60 return result; 61 } 62 63 64 static const FT_Service_PsFontNameRec cid_service_ps_name = 65 { 66 (FT_PsName_GetFunc)cid_get_postscript_name /* get_ps_font_name */ 67 }; 68 69 70 /* 71 * POSTSCRIPT INFO SERVICE 72 * 73 */ 74 75 static FT_Error cid_ps_get_font_info(FT_Face face,PS_FontInfoRec * afont_info)76 cid_ps_get_font_info( FT_Face face, 77 PS_FontInfoRec* afont_info ) 78 { 79 *afont_info = ((CID_Face)face)->cid.font_info; 80 81 return FT_Err_Ok; 82 } 83 84 static FT_Error cid_ps_get_font_extra(FT_Face face,PS_FontExtraRec * afont_extra)85 cid_ps_get_font_extra( FT_Face face, 86 PS_FontExtraRec* afont_extra ) 87 { 88 *afont_extra = ((CID_Face)face)->font_extra; 89 90 return FT_Err_Ok; 91 } 92 93 static const FT_Service_PsInfoRec cid_service_ps_info = 94 { 95 (PS_GetFontInfoFunc) cid_ps_get_font_info, /* ps_get_font_info */ 96 (PS_GetFontExtraFunc) cid_ps_get_font_extra, /* ps_get_font_extra */ 97 /* unsupported with CID fonts */ 98 (PS_HasGlyphNamesFunc) NULL, /* ps_has_glyph_names */ 99 /* unsupported */ 100 (PS_GetFontPrivateFunc)NULL, /* ps_get_font_private */ 101 /* not implemented */ 102 (PS_GetFontValueFunc) NULL /* ps_get_font_value */ 103 }; 104 105 106 /* 107 * CID INFO SERVICE 108 * 109 */ 110 static FT_Error cid_get_ros(CID_Face face,const char ** registry,const char ** ordering,FT_Int * supplement)111 cid_get_ros( CID_Face face, 112 const char* *registry, 113 const char* *ordering, 114 FT_Int *supplement ) 115 { 116 CID_FaceInfo cid = &face->cid; 117 118 119 if ( registry ) 120 *registry = cid->registry; 121 122 if ( ordering ) 123 *ordering = cid->ordering; 124 125 if ( supplement ) 126 *supplement = cid->supplement; 127 128 return FT_Err_Ok; 129 } 130 131 132 static FT_Error cid_get_is_cid(CID_Face face,FT_Bool * is_cid)133 cid_get_is_cid( CID_Face face, 134 FT_Bool *is_cid ) 135 { 136 FT_Error error = FT_Err_Ok; 137 FT_UNUSED( face ); 138 139 140 if ( is_cid ) 141 *is_cid = 1; /* cid driver is only used for CID keyed fonts */ 142 143 return error; 144 } 145 146 147 static FT_Error cid_get_cid_from_glyph_index(CID_Face face,FT_UInt glyph_index,FT_UInt * cid)148 cid_get_cid_from_glyph_index( CID_Face face, 149 FT_UInt glyph_index, 150 FT_UInt *cid ) 151 { 152 FT_Error error = FT_Err_Ok; 153 FT_UNUSED( face ); 154 155 156 if ( cid ) 157 *cid = glyph_index; /* identity mapping */ 158 159 return error; 160 } 161 162 163 static const FT_Service_CIDRec cid_service_cid_info = 164 { 165 (FT_CID_GetRegistryOrderingSupplementFunc) 166 cid_get_ros, /* get_ros */ 167 (FT_CID_GetIsInternallyCIDKeyedFunc) 168 cid_get_is_cid, /* get_is_cid */ 169 (FT_CID_GetCIDFromGlyphIndexFunc) 170 cid_get_cid_from_glyph_index /* get_cid_from_glyph_index */ 171 }; 172 173 174 /* 175 * PROPERTY SERVICE 176 * 177 */ 178 179 FT_DEFINE_SERVICE_PROPERTIESREC( 180 cid_service_properties, 181 182 (FT_Properties_SetFunc)ps_property_set, /* set_property */ 183 (FT_Properties_GetFunc)ps_property_get ) /* get_property */ 184 185 186 /* 187 * SERVICE LIST 188 * 189 */ 190 191 static const FT_ServiceDescRec cid_services[] = 192 { 193 { FT_SERVICE_ID_FONT_FORMAT, FT_FONT_FORMAT_CID }, 194 { FT_SERVICE_ID_POSTSCRIPT_FONT_NAME, &cid_service_ps_name }, 195 { FT_SERVICE_ID_POSTSCRIPT_INFO, &cid_service_ps_info }, 196 { FT_SERVICE_ID_CID, &cid_service_cid_info }, 197 { FT_SERVICE_ID_PROPERTIES, &cid_service_properties }, 198 { NULL, NULL } 199 }; 200 201 202 FT_CALLBACK_DEF( FT_Module_Interface ) cid_get_interface(FT_Module module,const char * cid_interface)203 cid_get_interface( FT_Module module, 204 const char* cid_interface ) 205 { 206 FT_UNUSED( module ); 207 208 return ft_service_list_lookup( cid_services, cid_interface ); 209 } 210 211 212 213 FT_CALLBACK_TABLE_DEF 214 const FT_Driver_ClassRec t1cid_driver_class = 215 { 216 { 217 FT_MODULE_FONT_DRIVER | 218 FT_MODULE_DRIVER_SCALABLE | 219 FT_MODULE_DRIVER_HAS_HINTER, 220 sizeof ( PS_DriverRec ), 221 222 "t1cid", /* module name */ 223 0x10000L, /* version 1.0 of driver */ 224 0x20000L, /* requires FreeType 2.0 */ 225 226 NULL, /* module-specific interface */ 227 228 cid_driver_init, /* FT_Module_Constructor module_init */ 229 cid_driver_done, /* FT_Module_Destructor module_done */ 230 cid_get_interface /* FT_Module_Requester get_interface */ 231 }, 232 233 sizeof ( CID_FaceRec ), 234 sizeof ( CID_SizeRec ), 235 sizeof ( CID_GlyphSlotRec ), 236 237 cid_face_init, /* FT_Face_InitFunc init_face */ 238 cid_face_done, /* FT_Face_DoneFunc done_face */ 239 cid_size_init, /* FT_Size_InitFunc init_size */ 240 cid_size_done, /* FT_Size_DoneFunc done_size */ 241 cid_slot_init, /* FT_Slot_InitFunc init_slot */ 242 cid_slot_done, /* FT_Slot_DoneFunc done_slot */ 243 244 cid_slot_load_glyph, /* FT_Slot_LoadFunc load_glyph */ 245 246 NULL, /* FT_Face_GetKerningFunc get_kerning */ 247 NULL, /* FT_Face_AttachFunc attach_file */ 248 NULL, /* FT_Face_GetAdvancesFunc get_advances */ 249 250 cid_size_request, /* FT_Size_RequestFunc request_size */ 251 NULL /* FT_Size_SelectFunc select_size */ 252 }; 253 254 255 /* END */ 256