ref: d21f995aea766ad1b414575558082f408b939e2f
dir: /src/cid/cidriver.c/
/***************************************************************************/
/* */
/* cidriver.c */
/* */
/* CID driver interface (body). */
/* */
/* Copyright 1996-2017 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 <ft2build.h>
#include "cidriver.h"
#include "cidgload.h"
#include FT_INTERNAL_DEBUG_H
#include "ciderrs.h"
#include FT_SERVICE_POSTSCRIPT_NAME_H
#include FT_SERVICE_FONT_FORMAT_H
#include FT_SERVICE_POSTSCRIPT_INFO_H
#include FT_SERVICE_CID_H
#include FT_SERVICE_PROPERTIES_H
#include FT_TYPE1_DRIVER_H
#include FT_INTERNAL_POSTSCRIPT_AUX_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 trace_ciddriver
/*
* POSTSCRIPT NAME SERVICE
*
*/
static const char*
cid_get_postscript_name( CID_Face face )
{
const char* result = face->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
*
*/
static FT_Error
cid_ps_get_font_info( FT_Face face,
PS_FontInfoRec* afont_info )
{
*afont_info = ((CID_Face)face)->cid.font_info;
return FT_Err_Ok;
}
static FT_Error
cid_ps_get_font_extra( FT_Face 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 =
{
(PS_GetFontInfoFunc) cid_ps_get_font_info, /* ps_get_font_info */
(PS_GetFontExtraFunc) cid_ps_get_font_extra, /* ps_get_font_extra */
/* unsupported with CID fonts */
(PS_HasGlyphNamesFunc) NULL, /* ps_has_glyph_names */
/* unsupported */
(PS_GetFontPrivateFunc)NULL, /* ps_get_font_private */
/* not implemented */
(PS_GetFontValueFunc) NULL /* ps_get_font_value */
};
/*
* CID INFO SERVICE
*
*/
static FT_Error
cid_get_ros( CID_Face face,
const char* *registry,
const char* *ordering,
FT_Int *supplement )
{
CID_FaceInfo cid = &face->cid;
if ( registry )
*registry = cid->registry;
if ( ordering )
*ordering = cid->ordering;
if ( supplement )
*supplement = cid->supplement;
return FT_Err_Ok;
}
static FT_Error
cid_get_is_cid( CID_Face face,
FT_Bool *is_cid )
{
FT_Error error = FT_Err_Ok;
FT_UNUSED( face );
if ( is_cid )
*is_cid = 1; /* cid driver is only used for CID keyed fonts */
return error;
}
static FT_Error
cid_get_cid_from_glyph_index( CID_Face face,
FT_UInt glyph_index,
FT_UInt *cid )
{
FT_Error error = FT_Err_Ok;
FT_UNUSED( face );
if ( cid )
*cid = glyph_index; /* identity mapping */
return error;
}
static const FT_Service_CIDRec cid_service_cid_info =
{
(FT_CID_GetRegistryOrderingSupplementFunc)
cid_get_ros, /* get_ros */
(FT_CID_GetIsInternallyCIDKeyedFunc)
cid_get_is_cid, /* get_is_cid */
(FT_CID_GetCIDFromGlyphIndexFunc)
cid_get_cid_from_glyph_index /* get_cid_from_glyph_index */
};
/*
* PROPERTY SERVICE
*
*/
static FT_Error
cid_property_set( FT_Module module, /* PS_Driver */
const char* property_name,
const void* value,
FT_Bool value_is_string )
{
FT_Error error = FT_Err_Ok;
PS_Driver driver = (PS_Driver)module;
#ifndef FT_CONFIG_OPTION_ENVIRONMENT_PROPERTIES
FT_UNUSED( value_is_string );
#endif
if ( !ft_strcmp( property_name, "darkening-parameters" ) )
{
FT_Int* darken_params;
FT_Int x1, y1, x2, y2, x3, y3, x4, y4;
#ifdef FT_CONFIG_OPTION_ENVIRONMENT_PROPERTIES
FT_Int dp[8];
if ( value_is_string )
{
const char* s = (const char*)value;
char* ep;
int i;
/* eight comma-separated numbers */
for ( i = 0; i < 7; i++ )
{
dp[i] = (FT_Int)ft_strtol( s, &ep, 10 );
if ( *ep != ',' || s == ep )
return FT_THROW( Invalid_Argument );
s = ep + 1;
}
dp[7] = (FT_Int)ft_strtol( s, &ep, 10 );
if ( !( *ep == '\0' || *ep == ' ' ) || s == ep )
return FT_THROW( Invalid_Argument );
darken_params = dp;
}
else
#endif
darken_params = (FT_Int*)value;
x1 = darken_params[0];
y1 = darken_params[1];
x2 = darken_params[2];
y2 = darken_params[3];
x3 = darken_params[4];
y3 = darken_params[5];
x4 = darken_params[6];
y4 = darken_params[7];
if ( x1 < 0 || x2 < 0 || x3 < 0 || x4 < 0 ||
y1 < 0 || y2 < 0 || y3 < 0 || y4 < 0 ||
x1 > x2 || x2 > x3 || x3 > x4 ||
y1 > 500 || y2 > 500 || y3 > 500 || y4 > 500 )
return FT_THROW( Invalid_Argument );
driver->darken_params[0] = x1;
driver->darken_params[1] = y1;
driver->darken_params[2] = x2;
driver->darken_params[3] = y2;
driver->darken_params[4] = x3;
driver->darken_params[5] = y3;
driver->darken_params[6] = x4;
driver->darken_params[7] = y4;
return error;
}
else if ( !ft_strcmp( property_name, "hinting-engine" ) )
{
#ifdef FT_CONFIG_OPTION_ENVIRONMENT_PROPERTIES
if ( value_is_string )
{
const char* s = (const char*)value;
if ( !ft_strcmp( s, "adobe" ) )
driver->hinting_engine = FT_T1_HINTING_ADOBE;
#ifdef T1_CONFIG_OPTION_OLD_ENGINE
else if ( !ft_strcmp( s, "freetype" ) )
driver->hinting_engine = FT_T1_HINTING_FREETYPE;
#endif
else
return FT_THROW( Invalid_Argument );
}
else
#endif
{
FT_UInt* hinting_engine = (FT_UInt*)value;
if ( *hinting_engine == FT_T1_HINTING_ADOBE
#ifdef T1_CONFIG_OPTION_OLD_ENGINE
|| *hinting_engine == FT_T1_HINTING_FREETYPE
#endif
)
driver->hinting_engine = *hinting_engine;
else
error = FT_ERR( Unimplemented_Feature );
return error;
}
}
else if ( !ft_strcmp( property_name, "no-stem-darkening" ) )
{
#ifdef FT_CONFIG_OPTION_ENVIRONMENT_PROPERTIES
if ( value_is_string )
{
const char* s = (const char*)value;
long nsd = ft_strtol( s, NULL, 10 );
if ( !nsd )
driver->no_stem_darkening = FALSE;
else
driver->no_stem_darkening = TRUE;
}
else
#endif
{
FT_Bool* no_stem_darkening = (FT_Bool*)value;
driver->no_stem_darkening = *no_stem_darkening;
}
return error;
}
else if ( !ft_strcmp( property_name, "random-seed" ) )
{
FT_Int32 random_seed;
#ifdef FT_CONFIG_OPTION_ENVIRONMENT_PROPERTIES
if ( value_is_string )
{
const char* s = (const char*)value;
random_seed = (FT_Int32)ft_strtol( s, NULL, 10 );
}
else
#endif
random_seed = *(FT_Int32*)value;
if ( random_seed < 0 )
random_seed = 0;
driver->random_seed = random_seed;
return error;
}
FT_TRACE0(( "cid_property_set: missing property `%s'\n",
property_name ));
return FT_THROW( Missing_Property );
}
static FT_Error
cid_property_get( FT_Module module, /* PS_Driver */
const char* property_name,
const void* value )
{
FT_Error error = FT_Err_Ok;
PS_Driver driver = (PS_Driver)module;
if ( !ft_strcmp( property_name, "darkening-parameters" ) )
{
FT_Int* darken_params = driver->darken_params;
FT_Int* val = (FT_Int*)value;
val[0] = darken_params[0];
val[1] = darken_params[1];
val[2] = darken_params[2];
val[3] = darken_params[3];
val[4] = darken_params[4];
val[5] = darken_params[5];
val[6] = darken_params[6];
val[7] = darken_params[7];
return error;
}
else if ( !ft_strcmp( property_name, "hinting-engine" ) )
{
FT_UInt hinting_engine = driver->hinting_engine;
FT_UInt* val = (FT_UInt*)value;
*val = hinting_engine;
return error;
}
else if ( !ft_strcmp( property_name, "no-stem-darkening" ) )
{
FT_Bool no_stem_darkening = driver->no_stem_darkening;
FT_Bool* val = (FT_Bool*)value;
*val = no_stem_darkening;
return error;
}
FT_TRACE0(( "cid_property_get: missing property `%s'\n",
property_name ));
return FT_THROW( Missing_Property );
}
FT_DEFINE_SERVICE_PROPERTIESREC(
cid_service_properties,
(FT_Properties_SetFunc)cid_property_set, /* set_property */
(FT_Properties_GetFunc)cid_property_get ) /* 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 */