256 lines
6.5 KiB
C
256 lines
6.5 KiB
C
/****************************************************************************
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*
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* cidriver.c
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*
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* CID driver interface (body).
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*
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* Copyright (C) 1996-2020 by
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* David Turner, Robert Wilhelm, and Werner Lemberg.
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*
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* This file is part of the FreeType project, and may only be used,
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* modified, and distributed under the terms of the FreeType project
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* license, LICENSE.TXT. By continuing to use, modify, or distribute
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* this file you indicate that you have read the license and
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* understand and accept it fully.
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*
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*/
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#include "cidriver.h"
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#include "cidgload.h"
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#include <freetype/internal/ftdebug.h>
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#include <freetype/internal/ftpsprop.h>
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#include "ciderrs.h"
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#include <freetype/internal/services/svpostnm.h>
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#include <freetype/internal/services/svfntfmt.h>
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#include <freetype/internal/services/svpsinfo.h>
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#include <freetype/internal/services/svcid.h>
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#include <freetype/internal/services/svprop.h>
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#include <freetype/ftdriver.h>
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#include <freetype/internal/psaux.h>
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/**************************************************************************
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*
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* The macro FT_COMPONENT is used in trace mode. It is an implicit
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* parameter of the FT_TRACE() and FT_ERROR() macros, used to print/log
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* messages during execution.
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*/
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#undef FT_COMPONENT
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#define FT_COMPONENT ciddriver
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/*
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* POSTSCRIPT NAME SERVICE
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*
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*/
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static const char*
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cid_get_postscript_name( CID_Face face )
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{
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const char* result = face->cid.cid_font_name;
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if ( result && result[0] == '/' )
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result++;
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return result;
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}
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static const FT_Service_PsFontNameRec cid_service_ps_name =
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{
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(FT_PsName_GetFunc)cid_get_postscript_name /* get_ps_font_name */
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};
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/*
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* POSTSCRIPT INFO SERVICE
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*
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*/
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static FT_Error
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cid_ps_get_font_info( FT_Face face,
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PS_FontInfoRec* afont_info )
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{
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*afont_info = ((CID_Face)face)->cid.font_info;
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return FT_Err_Ok;
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}
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static FT_Error
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cid_ps_get_font_extra( FT_Face face,
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PS_FontExtraRec* afont_extra )
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{
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*afont_extra = ((CID_Face)face)->font_extra;
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return FT_Err_Ok;
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}
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static const FT_Service_PsInfoRec cid_service_ps_info =
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{
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(PS_GetFontInfoFunc) cid_ps_get_font_info, /* ps_get_font_info */
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(PS_GetFontExtraFunc) cid_ps_get_font_extra, /* ps_get_font_extra */
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/* unsupported with CID fonts */
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(PS_HasGlyphNamesFunc) NULL, /* ps_has_glyph_names */
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/* unsupported */
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(PS_GetFontPrivateFunc)NULL, /* ps_get_font_private */
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/* not implemented */
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(PS_GetFontValueFunc) NULL /* ps_get_font_value */
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};
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/*
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* CID INFO SERVICE
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*
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*/
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static FT_Error
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cid_get_ros( CID_Face face,
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const char* *registry,
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const char* *ordering,
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FT_Int *supplement )
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{
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CID_FaceInfo cid = &face->cid;
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if ( registry )
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*registry = cid->registry;
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if ( ordering )
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*ordering = cid->ordering;
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if ( supplement )
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*supplement = cid->supplement;
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return FT_Err_Ok;
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}
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static FT_Error
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cid_get_is_cid( CID_Face face,
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FT_Bool *is_cid )
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{
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FT_Error error = FT_Err_Ok;
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FT_UNUSED( face );
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if ( is_cid )
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*is_cid = 1; /* cid driver is only used for CID keyed fonts */
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return error;
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}
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static FT_Error
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cid_get_cid_from_glyph_index( CID_Face face,
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FT_UInt glyph_index,
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FT_UInt *cid )
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{
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FT_Error error = FT_Err_Ok;
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FT_UNUSED( face );
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if ( cid )
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*cid = glyph_index; /* identity mapping */
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return error;
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}
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static const FT_Service_CIDRec cid_service_cid_info =
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{
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(FT_CID_GetRegistryOrderingSupplementFunc)
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cid_get_ros, /* get_ros */
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(FT_CID_GetIsInternallyCIDKeyedFunc)
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cid_get_is_cid, /* get_is_cid */
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(FT_CID_GetCIDFromGlyphIndexFunc)
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cid_get_cid_from_glyph_index /* get_cid_from_glyph_index */
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};
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/*
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* PROPERTY SERVICE
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*
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*/
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FT_DEFINE_SERVICE_PROPERTIESREC(
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cid_service_properties,
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(FT_Properties_SetFunc)ps_property_set, /* set_property */
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(FT_Properties_GetFunc)ps_property_get ) /* get_property */
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/*
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* SERVICE LIST
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*
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*/
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static const FT_ServiceDescRec cid_services[] =
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{
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{ FT_SERVICE_ID_FONT_FORMAT, FT_FONT_FORMAT_CID },
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{ FT_SERVICE_ID_POSTSCRIPT_FONT_NAME, &cid_service_ps_name },
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{ FT_SERVICE_ID_POSTSCRIPT_INFO, &cid_service_ps_info },
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{ FT_SERVICE_ID_CID, &cid_service_cid_info },
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{ FT_SERVICE_ID_PROPERTIES, &cid_service_properties },
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{ NULL, NULL }
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};
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FT_CALLBACK_DEF( FT_Module_Interface )
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cid_get_interface( FT_Module module,
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const char* cid_interface )
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{
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FT_UNUSED( module );
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return ft_service_list_lookup( cid_services, cid_interface );
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}
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FT_CALLBACK_TABLE_DEF
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const FT_Driver_ClassRec t1cid_driver_class =
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{
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{
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FT_MODULE_FONT_DRIVER |
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FT_MODULE_DRIVER_SCALABLE |
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FT_MODULE_DRIVER_HAS_HINTER,
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sizeof ( PS_DriverRec ),
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"t1cid", /* module name */
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0x10000L, /* version 1.0 of driver */
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0x20000L, /* requires FreeType 2.0 */
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NULL, /* module-specific interface */
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cid_driver_init, /* FT_Module_Constructor module_init */
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cid_driver_done, /* FT_Module_Destructor module_done */
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cid_get_interface /* FT_Module_Requester get_interface */
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},
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sizeof ( CID_FaceRec ),
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sizeof ( CID_SizeRec ),
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sizeof ( CID_GlyphSlotRec ),
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cid_face_init, /* FT_Face_InitFunc init_face */
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cid_face_done, /* FT_Face_DoneFunc done_face */
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cid_size_init, /* FT_Size_InitFunc init_size */
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cid_size_done, /* FT_Size_DoneFunc done_size */
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cid_slot_init, /* FT_Slot_InitFunc init_slot */
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cid_slot_done, /* FT_Slot_DoneFunc done_slot */
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cid_slot_load_glyph, /* FT_Slot_LoadFunc load_glyph */
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NULL, /* FT_Face_GetKerningFunc get_kerning */
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NULL, /* FT_Face_AttachFunc attach_file */
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NULL, /* FT_Face_GetAdvancesFunc get_advances */
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cid_size_request, /* FT_Size_RequestFunc request_size */
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NULL /* FT_Size_SelectFunc select_size */
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};
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/* END */
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