| /**************************************************************************** |
| * |
| * cidriver.c |
| * |
| * CID driver interface (body). |
| * |
| * Copyright (C) 1996-2023 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. |
| * |
| */ |
| |
| |
| #include "cidriver.h" |
| #include "cidgload.h" |
| #include <freetype/internal/ftdebug.h> |
| #include <freetype/internal/ftpsprop.h> |
| |
| #include "ciderrs.h" |
| |
| #include <freetype/internal/services/svpostnm.h> |
| #include <freetype/internal/services/svfntfmt.h> |
| #include <freetype/internal/services/svpsinfo.h> |
| #include <freetype/internal/services/svcid.h> |
| #include <freetype/internal/services/svprop.h> |
| #include <freetype/ftdriver.h> |
| |
| #include <freetype/internal/psaux.h> |
| |
| |
| /************************************************************************** |
| * |
| * The macro FT_COMPONENT is used in trace mode. It is an implicit |
| * parameter of the FT_TRACE() and FT_ERROR() macros, used to print/log |
| * messages during execution. |
| */ |
| #undef FT_COMPONENT |
| #define FT_COMPONENT ciddriver |
| |
| |
| /* |
| * POSTSCRIPT NAME SERVICE |
| * |
| */ |
| |
| FT_CALLBACK_DEF( const char* ) |
| cid_get_postscript_name( FT_Face face ) /* CID_Face */ |
| { |
| CID_Face cidface = (CID_Face)face; |
| const char* result = cidface->cid.cid_font_name; |
| |
| |
| if ( result && result[0] == '/' ) |
| result++; |
| |
| return result; |
| } |
| |
| |
| static const FT_Service_PsFontNameRec cid_service_ps_name = |
| { |
| (FT_PsName_GetFunc)cid_get_postscript_name /* get_ps_font_name */ |
| }; |
| |
| |
| /* |
| * POSTSCRIPT INFO SERVICE |
| * |
| */ |
| |
| FT_CALLBACK_DEF( FT_Error ) |
| cid_ps_get_font_info( FT_Face face, /* CID_Face */ |
| PS_FontInfoRec* afont_info ) |
| { |
| *afont_info = ( (CID_Face)face )->cid.font_info; |
| |
| return FT_Err_Ok; |
| } |
| |
| |
| FT_CALLBACK_DEF( FT_Error ) |
| cid_ps_get_font_extra( FT_Face face, /* CID_Face */ |
| PS_FontExtraRec* afont_extra ) |
| { |
| *afont_extra = ( (CID_Face)face )->font_extra; |
| |
| return FT_Err_Ok; |
| } |
| |
| |
| static const FT_Service_PsInfoRec cid_service_ps_info = |
| { |
| cid_ps_get_font_info, /* PS_GetFontInfoFunc ps_get_font_info */ |
| cid_ps_get_font_extra, /* PS_GetFontExtraFunc ps_get_font_extra */ |
| /* unsupported with CID fonts */ |
| NULL, /* PS_HasGlyphNamesFunc ps_has_glyph_names */ |
| /* unsupported */ |
| NULL, /* PS_GetFontPrivateFunc ps_get_font_private */ |
| /* not implemented */ |
| NULL /* PS_GetFontValueFunc ps_get_font_value */ |
| }; |
| |
| |
| /* |
| * CID INFO SERVICE |
| * |
| */ |
| FT_CALLBACK_DEF( FT_Error ) |
| cid_get_ros( FT_Face face, /* CID_Face */ |
| const char* *registry, |
| const char* *ordering, |
| FT_Int *supplement ) |
| { |
| CID_Face cidface = (CID_Face)face; |
| CID_FaceInfo cid = &cidface->cid; |
| |
| |
| if ( registry ) |
| *registry = cid->registry; |
| |
| if ( ordering ) |
| *ordering = cid->ordering; |
| |
| if ( supplement ) |
| *supplement = cid->supplement; |
| |
| return FT_Err_Ok; |
| } |
| |
| |
| FT_CALLBACK_DEF( FT_Error ) |
| cid_get_is_cid( FT_Face face, /* CID_Face */ |
| FT_Bool *is_cid ) |
| { |
| FT_Error error = FT_Err_Ok; |
| FT_UNUSED( face ); |
| |
| |
| /* |
| * XXX: If the ROS is Adobe-Identity-H or -V, |
| * the font has no reliable information about |
| * its glyph collection. Should we not set |
| * *is_cid in such cases? |
| */ |
| if ( is_cid ) |
| *is_cid = 1; |
| |
| return error; |
| } |
| |
| |
| FT_CALLBACK_DEF( FT_Error ) |
| cid_get_cid_from_glyph_index( FT_Face face, /* CID_Face */ |
| FT_UInt glyph_index, |
| FT_UInt *cid ) |
| { |
| FT_Error error = FT_Err_Ok; |
| CID_Face cidface = (CID_Face)face; |
| |
| |
| /* |
| * Currently, FreeType does not support incrementally-defined, CID-keyed |
| * fonts that store the glyph description data in a `/GlyphDirectory` |
| * array or dictionary. Fonts loaded by the incremental loading feature |
| * are thus not handled here. |
| */ |
| error = cid_compute_fd_and_offsets( cidface, glyph_index, |
| NULL, NULL, NULL ); |
| if ( error ) |
| *cid = 0; |
| else |
| *cid = glyph_index; |
| |
| return error; |
| } |
| |
| |
| static const FT_Service_CIDRec cid_service_cid_info = |
| { |
| cid_get_ros, |
| /* FT_CID_GetRegistryOrderingSupplementFunc get_ros */ |
| cid_get_is_cid, |
| /* FT_CID_GetIsInternallyCIDKeyedFunc get_is_cid */ |
| cid_get_cid_from_glyph_index |
| /* FT_CID_GetCIDFromGlyphIndexFunc get_cid_from_glyph_index */ |
| }; |
| |
| |
| /* |
| * PROPERTY SERVICE |
| * |
| */ |
| |
| FT_DEFINE_SERVICE_PROPERTIESREC( |
| cid_service_properties, |
| |
| ps_property_set, /* FT_Properties_SetFunc set_property */ |
| ps_property_get /* FT_Properties_GetFunc get_property */ |
| ) |
| |
| /* |
| * SERVICE LIST |
| * |
| */ |
| |
| static const FT_ServiceDescRec cid_services[] = |
| { |
| { FT_SERVICE_ID_FONT_FORMAT, FT_FONT_FORMAT_CID }, |
| { FT_SERVICE_ID_POSTSCRIPT_FONT_NAME, &cid_service_ps_name }, |
| { FT_SERVICE_ID_POSTSCRIPT_INFO, &cid_service_ps_info }, |
| { FT_SERVICE_ID_CID, &cid_service_cid_info }, |
| { FT_SERVICE_ID_PROPERTIES, &cid_service_properties }, |
| { NULL, NULL } |
| }; |
| |
| |
| FT_CALLBACK_DEF( FT_Module_Interface ) |
| cid_get_interface( FT_Module module, |
| const char* cid_interface ) |
| { |
| FT_UNUSED( module ); |
| |
| return ft_service_list_lookup( cid_services, cid_interface ); |
| } |
| |
| |
| FT_CALLBACK_TABLE_DEF |
| const FT_Driver_ClassRec t1cid_driver_class = |
| { |
| { |
| FT_MODULE_FONT_DRIVER | |
| FT_MODULE_DRIVER_SCALABLE | |
| FT_MODULE_DRIVER_HAS_HINTER, |
| sizeof ( PS_DriverRec ), |
| |
| "t1cid", /* module name */ |
| 0x10000L, /* version 1.0 of driver */ |
| 0x20000L, /* requires FreeType 2.0 */ |
| |
| NULL, /* module-specific interface */ |
| |
| cid_driver_init, /* FT_Module_Constructor module_init */ |
| cid_driver_done, /* FT_Module_Destructor module_done */ |
| cid_get_interface /* FT_Module_Requester get_interface */ |
| }, |
| |
| sizeof ( CID_FaceRec ), |
| sizeof ( CID_SizeRec ), |
| sizeof ( CID_GlyphSlotRec ), |
| |
| cid_face_init, /* FT_Face_InitFunc init_face */ |
| cid_face_done, /* FT_Face_DoneFunc done_face */ |
| cid_size_init, /* FT_Size_InitFunc init_size */ |
| cid_size_done, /* FT_Size_DoneFunc done_size */ |
| cid_slot_init, /* FT_Slot_InitFunc init_slot */ |
| cid_slot_done, /* FT_Slot_DoneFunc done_slot */ |
| |
| cid_slot_load_glyph, /* FT_Slot_LoadFunc load_glyph */ |
| |
| NULL, /* FT_Face_GetKerningFunc get_kerning */ |
| NULL, /* FT_Face_AttachFunc attach_file */ |
| NULL, /* FT_Face_GetAdvancesFunc get_advances */ |
| |
| cid_size_request, /* FT_Size_RequestFunc request_size */ |
| NULL /* FT_Size_SelectFunc select_size */ |
| }; |
| |
| |
| /* END */ |
