| 1 | /**************************************************************************** |
| 2 | * |
| 3 | * cidriver.c |
| 4 | * |
| 5 | * CID driver interface (body). |
| 6 | * |
| 7 | * Copyright (C) 1996-2019 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 | #include <ft2build.h> |
| 20 | #include "cidriver.h" |
| 21 | #include "cidgload.h" |
| 22 | #include FT_INTERNAL_DEBUG_H |
| 23 | #include FT_INTERNAL_POSTSCRIPT_PROPS_H |
| 24 | |
| 25 | #include "ciderrs.h" |
| 26 | |
| 27 | #include FT_SERVICE_POSTSCRIPT_NAME_H |
| 28 | #include FT_SERVICE_FONT_FORMAT_H |
| 29 | #include FT_SERVICE_POSTSCRIPT_INFO_H |
| 30 | #include FT_SERVICE_CID_H |
| 31 | #include FT_SERVICE_PROPERTIES_H |
| 32 | #include FT_DRIVER_H |
| 33 | |
| 34 | #include FT_INTERNAL_POSTSCRIPT_AUX_H |
| 35 | |
| 36 | |
| 37 | /************************************************************************** |
| 38 | * |
| 39 | * The macro FT_COMPONENT is used in trace mode. It is an implicit |
| 40 | * parameter of the FT_TRACE() and FT_ERROR() macros, used to print/log |
| 41 | * messages during execution. |
| 42 | */ |
| 43 | #undef FT_COMPONENT |
| 44 | #define FT_COMPONENT ciddriver |
| 45 | |
| 46 | |
| 47 | /* |
| 48 | * POSTSCRIPT NAME SERVICE |
| 49 | * |
| 50 | */ |
| 51 | |
| 52 | static const char* |
| 53 | cid_get_postscript_name( CID_Face face ) |
| 54 | { |
| 55 | const char* result = face->cid.cid_font_name; |
| 56 | |
| 57 | |
| 58 | if ( result && result[0] == '/' ) |
| 59 | result++; |
| 60 | |
| 61 | return result; |
| 62 | } |
| 63 | |
| 64 | |
| 65 | static const FT_Service_PsFontNameRec cid_service_ps_name = |
| 66 | { |
| 67 | (FT_PsName_GetFunc)cid_get_postscript_name /* get_ps_font_name */ |
| 68 | }; |
| 69 | |
| 70 | |
| 71 | /* |
| 72 | * POSTSCRIPT INFO SERVICE |
| 73 | * |
| 74 | */ |
| 75 | |
| 76 | static FT_Error |
| 77 | cid_ps_get_font_info( FT_Face face, |
| 78 | PS_FontInfoRec* afont_info ) |
| 79 | { |
| 80 | *afont_info = ((CID_Face)face)->cid.font_info; |
| 81 | |
| 82 | return FT_Err_Ok; |
| 83 | } |
| 84 | |
| 85 | static FT_Error |
| 86 | ( FT_Face face, |
| 87 | PS_FontExtraRec* ) |
| 88 | { |
| 89 | *afont_extra = ((CID_Face)face)->font_extra; |
| 90 | |
| 91 | return FT_Err_Ok; |
| 92 | } |
| 93 | |
| 94 | static const FT_Service_PsInfoRec cid_service_ps_info = |
| 95 | { |
| 96 | (PS_GetFontInfoFunc) cid_ps_get_font_info, /* ps_get_font_info */ |
| 97 | (PS_GetFontExtraFunc) cid_ps_get_font_extra, /* ps_get_font_extra */ |
| 98 | /* unsupported with CID fonts */ |
| 99 | (PS_HasGlyphNamesFunc) NULL, /* ps_has_glyph_names */ |
| 100 | /* unsupported */ |
| 101 | (PS_GetFontPrivateFunc)NULL, /* ps_get_font_private */ |
| 102 | /* not implemented */ |
| 103 | (PS_GetFontValueFunc) NULL /* ps_get_font_value */ |
| 104 | }; |
| 105 | |
| 106 | |
| 107 | /* |
| 108 | * CID INFO SERVICE |
| 109 | * |
| 110 | */ |
| 111 | static FT_Error |
| 112 | cid_get_ros( CID_Face face, |
| 113 | const char* *registry, |
| 114 | const char* *ordering, |
| 115 | FT_Int *supplement ) |
| 116 | { |
| 117 | CID_FaceInfo cid = &face->cid; |
| 118 | |
| 119 | |
| 120 | if ( registry ) |
| 121 | *registry = cid->registry; |
| 122 | |
| 123 | if ( ordering ) |
| 124 | *ordering = cid->ordering; |
| 125 | |
| 126 | if ( supplement ) |
| 127 | *supplement = cid->supplement; |
| 128 | |
| 129 | return FT_Err_Ok; |
| 130 | } |
| 131 | |
| 132 | |
| 133 | static FT_Error |
| 134 | cid_get_is_cid( CID_Face face, |
| 135 | FT_Bool *is_cid ) |
| 136 | { |
| 137 | FT_Error error = FT_Err_Ok; |
| 138 | FT_UNUSED( face ); |
| 139 | |
| 140 | |
| 141 | if ( is_cid ) |
| 142 | *is_cid = 1; /* cid driver is only used for CID keyed fonts */ |
| 143 | |
| 144 | return error; |
| 145 | } |
| 146 | |
| 147 | |
| 148 | static FT_Error |
| 149 | cid_get_cid_from_glyph_index( CID_Face face, |
| 150 | FT_UInt glyph_index, |
| 151 | FT_UInt *cid ) |
| 152 | { |
| 153 | FT_Error error = FT_Err_Ok; |
| 154 | FT_UNUSED( face ); |
| 155 | |
| 156 | |
| 157 | if ( cid ) |
| 158 | *cid = glyph_index; /* identity mapping */ |
| 159 | |
| 160 | return error; |
| 161 | } |
| 162 | |
| 163 | |
| 164 | static const FT_Service_CIDRec cid_service_cid_info = |
| 165 | { |
| 166 | (FT_CID_GetRegistryOrderingSupplementFunc) |
| 167 | cid_get_ros, /* get_ros */ |
| 168 | (FT_CID_GetIsInternallyCIDKeyedFunc) |
| 169 | cid_get_is_cid, /* get_is_cid */ |
| 170 | (FT_CID_GetCIDFromGlyphIndexFunc) |
| 171 | cid_get_cid_from_glyph_index /* get_cid_from_glyph_index */ |
| 172 | }; |
| 173 | |
| 174 | |
| 175 | /* |
| 176 | * PROPERTY SERVICE |
| 177 | * |
| 178 | */ |
| 179 | |
| 180 | FT_DEFINE_SERVICE_PROPERTIESREC( |
| 181 | cid_service_properties, |
| 182 | |
| 183 | (FT_Properties_SetFunc)ps_property_set, /* set_property */ |
| 184 | (FT_Properties_GetFunc)ps_property_get ) /* get_property */ |
| 185 | |
| 186 | |
| 187 | /* |
| 188 | * SERVICE LIST |
| 189 | * |
| 190 | */ |
| 191 | |
| 192 | static const FT_ServiceDescRec cid_services[] = |
| 193 | { |
| 194 | { FT_SERVICE_ID_FONT_FORMAT, FT_FONT_FORMAT_CID }, |
| 195 | { FT_SERVICE_ID_POSTSCRIPT_FONT_NAME, &cid_service_ps_name }, |
| 196 | { FT_SERVICE_ID_POSTSCRIPT_INFO, &cid_service_ps_info }, |
| 197 | { FT_SERVICE_ID_CID, &cid_service_cid_info }, |
| 198 | { FT_SERVICE_ID_PROPERTIES, &cid_service_properties }, |
| 199 | { NULL, NULL } |
| 200 | }; |
| 201 | |
| 202 | |
| 203 | FT_CALLBACK_DEF( FT_Module_Interface ) |
| 204 | cid_get_interface( FT_Module module, |
| 205 | const char* cid_interface ) |
| 206 | { |
| 207 | FT_UNUSED( module ); |
| 208 | |
| 209 | return ft_service_list_lookup( cid_services, cid_interface ); |
| 210 | } |
| 211 | |
| 212 | |
| 213 | |
| 214 | FT_CALLBACK_TABLE_DEF |
| 215 | const FT_Driver_ClassRec t1cid_driver_class = |
| 216 | { |
| 217 | { |
| 218 | FT_MODULE_FONT_DRIVER | |
| 219 | FT_MODULE_DRIVER_SCALABLE | |
| 220 | FT_MODULE_DRIVER_HAS_HINTER, |
| 221 | sizeof ( PS_DriverRec ), |
| 222 | |
| 223 | "t1cid" , /* module name */ |
| 224 | 0x10000L, /* version 1.0 of driver */ |
| 225 | 0x20000L, /* requires FreeType 2.0 */ |
| 226 | |
| 227 | NULL, /* module-specific interface */ |
| 228 | |
| 229 | cid_driver_init, /* FT_Module_Constructor module_init */ |
| 230 | cid_driver_done, /* FT_Module_Destructor module_done */ |
| 231 | cid_get_interface /* FT_Module_Requester get_interface */ |
| 232 | }, |
| 233 | |
| 234 | sizeof ( CID_FaceRec ), |
| 235 | sizeof ( CID_SizeRec ), |
| 236 | sizeof ( CID_GlyphSlotRec ), |
| 237 | |
| 238 | cid_face_init, /* FT_Face_InitFunc init_face */ |
| 239 | cid_face_done, /* FT_Face_DoneFunc done_face */ |
| 240 | cid_size_init, /* FT_Size_InitFunc init_size */ |
| 241 | cid_size_done, /* FT_Size_DoneFunc done_size */ |
| 242 | cid_slot_init, /* FT_Slot_InitFunc init_slot */ |
| 243 | cid_slot_done, /* FT_Slot_DoneFunc done_slot */ |
| 244 | |
| 245 | cid_slot_load_glyph, /* FT_Slot_LoadFunc load_glyph */ |
| 246 | |
| 247 | NULL, /* FT_Face_GetKerningFunc get_kerning */ |
| 248 | NULL, /* FT_Face_AttachFunc attach_file */ |
| 249 | NULL, /* FT_Face_GetAdvancesFunc get_advances */ |
| 250 | |
| 251 | cid_size_request, /* FT_Size_RequestFunc request_size */ |
| 252 | NULL /* FT_Size_SelectFunc select_size */ |
| 253 | }; |
| 254 | |
| 255 | |
| 256 | /* END */ |
| 257 | |