Edit
kc3-lang/freetype/src/cid/cidriver.c
Alexei Podtelezhnikov
- src/cid/cidriver.c
-
/**************************************************************************** * * cidriver.c * * CID driver interface (body). * * Copyright (C) 1996-2024 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 */