/***************************************************************************/ | |
/* */ | |
/* cffdrivr.c */ | |
/* */ | |
/* OpenType font driver implementation (body). */ | |
/* */ | |
/* Copyright 1996-2015 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 FT_FREETYPE_H | |
#include FT_INTERNAL_DEBUG_H | |
#include FT_INTERNAL_STREAM_H | |
#include FT_INTERNAL_SFNT_H | |
#include FT_SERVICE_CID_H | |
#include FT_SERVICE_POSTSCRIPT_INFO_H | |
#include FT_SERVICE_POSTSCRIPT_NAME_H | |
#include FT_SERVICE_TT_CMAP_H | |
#include "cffdrivr.h" | |
#include "cffgload.h" | |
#include "cffload.h" | |
#include "cffcmap.h" | |
#include "cffparse.h" | |
#include "cfferrs.h" | |
#include "cffpic.h" | |
#include FT_SERVICE_FONT_FORMAT_H | |
#include FT_SERVICE_GLYPH_DICT_H | |
#include FT_SERVICE_PROPERTIES_H | |
#include FT_CFF_DRIVER_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_cffdriver | |
/*************************************************************************/ | |
/*************************************************************************/ | |
/*************************************************************************/ | |
/**** ****/ | |
/**** ****/ | |
/**** F A C E S ****/ | |
/**** ****/ | |
/**** ****/ | |
/*************************************************************************/ | |
/*************************************************************************/ | |
/*************************************************************************/ | |
/*************************************************************************/ | |
/* */ | |
/* <Function> */ | |
/* cff_get_kerning */ | |
/* */ | |
/* <Description> */ | |
/* A driver method used to return the kerning vector between two */ | |
/* glyphs of the same face. */ | |
/* */ | |
/* <Input> */ | |
/* face :: A handle to the source face object. */ | |
/* */ | |
/* left_glyph :: The index of the left glyph in the kern pair. */ | |
/* */ | |
/* right_glyph :: The index of the right glyph in the kern pair. */ | |
/* */ | |
/* <Output> */ | |
/* kerning :: The kerning vector. This is in font units for */ | |
/* scalable formats, and in pixels for fixed-sizes */ | |
/* formats. */ | |
/* */ | |
/* <Return> */ | |
/* FreeType error code. 0 means success. */ | |
/* */ | |
/* <Note> */ | |
/* Only horizontal layouts (left-to-right & right-to-left) are */ | |
/* supported by this function. Other layouts, or more sophisticated */ | |
/* kernings, are out of scope of this method (the basic driver */ | |
/* interface is meant to be simple). */ | |
/* */ | |
/* They can be implemented by format-specific interfaces. */ | |
/* */ | |
FT_CALLBACK_DEF( FT_Error ) | |
cff_get_kerning( FT_Face ttface, /* TT_Face */ | |
FT_UInt left_glyph, | |
FT_UInt right_glyph, | |
FT_Vector* kerning ) | |
{ | |
TT_Face face = (TT_Face)ttface; | |
SFNT_Service sfnt = (SFNT_Service)face->sfnt; | |
kerning->x = 0; | |
kerning->y = 0; | |
if ( sfnt ) | |
kerning->x = sfnt->get_kerning( face, left_glyph, right_glyph ); | |
return FT_Err_Ok; | |
} | |
/*************************************************************************/ | |
/* */ | |
/* <Function> */ | |
/* cff_glyph_load */ | |
/* */ | |
/* <Description> */ | |
/* A driver method used to load a glyph within a given glyph slot. */ | |
/* */ | |
/* <Input> */ | |
/* slot :: A handle to the target slot object where the glyph */ | |
/* will be loaded. */ | |
/* */ | |
/* size :: A handle to the source face size at which the glyph */ | |
/* must be scaled, loaded, etc. */ | |
/* */ | |
/* glyph_index :: The index of the glyph in the font file. */ | |
/* */ | |
/* load_flags :: A flag indicating what to load for this glyph. The */ | |
/* FT_LOAD_??? constants can be used to control the */ | |
/* glyph loading process (e.g., whether the outline */ | |
/* should be scaled, whether to load bitmaps or not, */ | |
/* whether to hint the outline, etc). */ | |
/* */ | |
/* <Return> */ | |
/* FreeType error code. 0 means success. */ | |
/* */ | |
FT_CALLBACK_DEF( FT_Error ) | |
cff_glyph_load( FT_GlyphSlot cffslot, /* CFF_GlyphSlot */ | |
FT_Size cffsize, /* CFF_Size */ | |
FT_UInt glyph_index, | |
FT_Int32 load_flags ) | |
{ | |
FT_Error error; | |
CFF_GlyphSlot slot = (CFF_GlyphSlot)cffslot; | |
CFF_Size size = (CFF_Size)cffsize; | |
if ( !slot ) | |
return FT_THROW( Invalid_Slot_Handle ); | |
FT_TRACE1(( "cff_glyph_load: glyph index %d\n", glyph_index )); | |
/* check whether we want a scaled outline or bitmap */ | |
if ( !size ) | |
load_flags |= FT_LOAD_NO_SCALE | FT_LOAD_NO_HINTING; | |
/* reset the size object if necessary */ | |
if ( load_flags & FT_LOAD_NO_SCALE ) | |
size = NULL; | |
if ( size ) | |
{ | |
/* these two objects must have the same parent */ | |
if ( cffsize->face != cffslot->face ) | |
return FT_THROW( Invalid_Face_Handle ); | |
} | |
/* now load the glyph outline if necessary */ | |
error = cff_slot_load( slot, size, glyph_index, load_flags ); | |
/* force drop-out mode to 2 - irrelevant now */ | |
/* slot->outline.dropout_mode = 2; */ | |
return error; | |
} | |
FT_CALLBACK_DEF( FT_Error ) | |
cff_get_advances( FT_Face face, | |
FT_UInt start, | |
FT_UInt count, | |
FT_Int32 flags, | |
FT_Fixed* advances ) | |
{ | |
FT_UInt nn; | |
FT_Error error = FT_Err_Ok; | |
FT_GlyphSlot slot = face->glyph; | |
if ( FT_IS_SFNT( face ) ) | |
{ | |
/* OpenType 1.7 mandates that the data from `hmtx' table be used; */ | |
/* it is no longer necessary that those values are identical to */ | |
/* the values in the `CFF' table */ | |
TT_Face ttface = (TT_Face)face; | |
FT_Short dummy; | |
if ( flags & FT_LOAD_VERTICAL_LAYOUT ) | |
{ | |
/* check whether we have data from the `vmtx' table at all; */ | |
/* otherwise we extract the info from the CFF glyphstrings */ | |
/* (instead of synthesizing a global value using the `OS/2' */ | |
/* table) */ | |
if ( !ttface->vertical_info ) | |
goto Missing_Table; | |
for ( nn = 0; nn < count; nn++ ) | |
{ | |
FT_UShort ah; | |
( (SFNT_Service)ttface->sfnt )->get_metrics( ttface, | |
1, | |
start + nn, | |
&dummy, | |
&ah ); | |
FT_TRACE5(( " idx %d: advance height %d font units\n", | |
start + nn, ah )); | |
advances[nn] = ah; | |
} | |
} | |
else | |
{ | |
/* check whether we have data from the `hmtx' table at all */ | |
if ( !ttface->horizontal.number_Of_HMetrics ) | |
goto Missing_Table; | |
for ( nn = 0; nn < count; nn++ ) | |
{ | |
FT_UShort aw; | |
( (SFNT_Service)ttface->sfnt )->get_metrics( ttface, | |
0, | |
start + nn, | |
&dummy, | |
&aw ); | |
FT_TRACE5(( " idx %d: advance width %d font units\n", | |
start + nn, aw )); | |
advances[nn] = aw; | |
} | |
} | |
return error; | |
} | |
Missing_Table: | |
flags |= (FT_UInt32)FT_LOAD_ADVANCE_ONLY; | |
for ( nn = 0; nn < count; nn++ ) | |
{ | |
error = cff_glyph_load( slot, face->size, start + nn, flags ); | |
if ( error ) | |
break; | |
advances[nn] = ( flags & FT_LOAD_VERTICAL_LAYOUT ) | |
? slot->linearVertAdvance | |
: slot->linearHoriAdvance; | |
} | |
return error; | |
} | |
/* | |
* GLYPH DICT SERVICE | |
* | |
*/ | |
static FT_Error | |
cff_get_glyph_name( CFF_Face face, | |
FT_UInt glyph_index, | |
FT_Pointer buffer, | |
FT_UInt buffer_max ) | |
{ | |
CFF_Font font = (CFF_Font)face->extra.data; | |
FT_String* gname; | |
FT_UShort sid; | |
FT_Error error; | |
if ( !font->psnames ) | |
{ | |
FT_ERROR(( "cff_get_glyph_name:" | |
" cannot get glyph name from CFF & CEF fonts\n" | |
" " | |
" without the `PSNames' module\n" )); | |
error = FT_THROW( Missing_Module ); | |
goto Exit; | |
} | |
/* first, locate the sid in the charset table */ | |
sid = font->charset.sids[glyph_index]; | |
/* now, lookup the name itself */ | |
gname = cff_index_get_sid_string( font, sid ); | |
if ( gname ) | |
FT_STRCPYN( buffer, gname, buffer_max ); | |
error = FT_Err_Ok; | |
Exit: | |
return error; | |
} | |
static FT_UInt | |
cff_get_name_index( CFF_Face face, | |
FT_String* glyph_name ) | |
{ | |
CFF_Font cff; | |
CFF_Charset charset; | |
FT_Service_PsCMaps psnames; | |
FT_String* name; | |
FT_UShort sid; | |
FT_UInt i; | |
cff = (CFF_FontRec *)face->extra.data; | |
charset = &cff->charset; | |
FT_FACE_FIND_GLOBAL_SERVICE( face, psnames, POSTSCRIPT_CMAPS ); | |
if ( !psnames ) | |
return 0; | |
for ( i = 0; i < cff->num_glyphs; i++ ) | |
{ | |
sid = charset->sids[i]; | |
if ( sid > 390 ) | |
name = cff_index_get_string( cff, sid - 391 ); | |
else | |
name = (FT_String *)psnames->adobe_std_strings( sid ); | |
if ( !name ) | |
continue; | |
if ( !ft_strcmp( glyph_name, name ) ) | |
return i; | |
} | |
return 0; | |
} | |
FT_DEFINE_SERVICE_GLYPHDICTREC( | |
cff_service_glyph_dict, | |
(FT_GlyphDict_GetNameFunc) cff_get_glyph_name, /* get_name */ | |
(FT_GlyphDict_NameIndexFunc)cff_get_name_index /* name_index */ | |
) | |
/* | |
* POSTSCRIPT INFO SERVICE | |
* | |
*/ | |
static FT_Int | |
cff_ps_has_glyph_names( FT_Face face ) | |
{ | |
return ( face->face_flags & FT_FACE_FLAG_GLYPH_NAMES ) > 0; | |
} | |
static FT_Error | |
cff_ps_get_font_info( CFF_Face face, | |
PS_FontInfoRec* afont_info ) | |
{ | |
CFF_Font cff = (CFF_Font)face->extra.data; | |
FT_Error error = FT_Err_Ok; | |
if ( cff && cff->font_info == NULL ) | |
{ | |
CFF_FontRecDict dict = &cff->top_font.font_dict; | |
PS_FontInfoRec *font_info = NULL; | |
FT_Memory memory = face->root.memory; | |
if ( FT_ALLOC( font_info, sizeof ( *font_info ) ) ) | |
goto Fail; | |
font_info->version = cff_index_get_sid_string( cff, | |
dict->version ); | |
font_info->notice = cff_index_get_sid_string( cff, | |
dict->notice ); | |
font_info->full_name = cff_index_get_sid_string( cff, | |
dict->full_name ); | |
font_info->family_name = cff_index_get_sid_string( cff, | |
dict->family_name ); | |
font_info->weight = cff_index_get_sid_string( cff, | |
dict->weight ); | |
font_info->italic_angle = dict->italic_angle; | |
font_info->is_fixed_pitch = dict->is_fixed_pitch; | |
font_info->underline_position = (FT_Short)dict->underline_position; | |
font_info->underline_thickness = (FT_UShort)dict->underline_thickness; | |
cff->font_info = font_info; | |
} | |
if ( cff ) | |
*afont_info = *cff->font_info; | |
Fail: | |
return error; | |
} | |
FT_DEFINE_SERVICE_PSINFOREC( | |
cff_service_ps_info, | |
(PS_GetFontInfoFunc) cff_ps_get_font_info, /* ps_get_font_info */ | |
(PS_GetFontExtraFunc) NULL, /* ps_get_font_extra */ | |
(PS_HasGlyphNamesFunc) cff_ps_has_glyph_names, /* ps_has_glyph_names */ | |
/* unsupported with CFF fonts */ | |
(PS_GetFontPrivateFunc)NULL, /* ps_get_font_private */ | |
/* not implemented */ | |
(PS_GetFontValueFunc) NULL /* ps_get_font_value */ | |
) | |
/* | |
* POSTSCRIPT NAME SERVICE | |
* | |
*/ | |
static const char* | |
cff_get_ps_name( CFF_Face face ) | |
{ | |
CFF_Font cff = (CFF_Font)face->extra.data; | |
SFNT_Service sfnt = (SFNT_Service)face->sfnt; | |
/* following the OpenType specification 1.7, we return the name stored */ | |
/* in the `name' table for a CFF wrapped into an SFNT container */ | |
if ( FT_IS_SFNT( FT_FACE( face ) ) && sfnt ) | |
{ | |
FT_Library library = FT_FACE_LIBRARY( face ); | |
FT_Module sfnt_module = FT_Get_Module( library, "sfnt" ); | |
FT_Service_PsFontName service = | |
(FT_Service_PsFontName)ft_module_get_service( | |
sfnt_module, | |
FT_SERVICE_ID_POSTSCRIPT_FONT_NAME ); | |
if ( service && service->get_ps_font_name ) | |
return service->get_ps_font_name( FT_FACE( face ) ); | |
} | |
return (const char*)cff->font_name; | |
} | |
FT_DEFINE_SERVICE_PSFONTNAMEREC( | |
cff_service_ps_name, | |
(FT_PsName_GetFunc)cff_get_ps_name /* get_ps_font_name */ | |
) | |
/* | |
* TT CMAP INFO | |
* | |
* If the charmap is a synthetic Unicode encoding cmap or | |
* a Type 1 standard (or expert) encoding cmap, hide TT CMAP INFO | |
* service defined in SFNT module. | |
* | |
* Otherwise call the service function in the sfnt module. | |
* | |
*/ | |
static FT_Error | |
cff_get_cmap_info( FT_CharMap charmap, | |
TT_CMapInfo *cmap_info ) | |
{ | |
FT_CMap cmap = FT_CMAP( charmap ); | |
FT_Error error = FT_Err_Ok; | |
FT_Face face = FT_CMAP_FACE( cmap ); | |
FT_Library library = FT_FACE_LIBRARY( face ); | |
cmap_info->language = 0; | |
cmap_info->format = 0; | |
if ( cmap->clazz != &CFF_CMAP_ENCODING_CLASS_REC_GET && | |
cmap->clazz != &CFF_CMAP_UNICODE_CLASS_REC_GET ) | |
{ | |
FT_Module sfnt = FT_Get_Module( library, "sfnt" ); | |
FT_Service_TTCMaps service = | |
(FT_Service_TTCMaps)ft_module_get_service( sfnt, | |
FT_SERVICE_ID_TT_CMAP ); | |
if ( service && service->get_cmap_info ) | |
error = service->get_cmap_info( charmap, cmap_info ); | |
} | |
return error; | |
} | |
FT_DEFINE_SERVICE_TTCMAPSREC( | |
cff_service_get_cmap_info, | |
(TT_CMap_Info_GetFunc)cff_get_cmap_info /* get_cmap_info */ | |
) | |
/* | |
* CID INFO SERVICE | |
* | |
*/ | |
static FT_Error | |
cff_get_ros( CFF_Face face, | |
const char* *registry, | |
const char* *ordering, | |
FT_Int *supplement ) | |
{ | |
FT_Error error = FT_Err_Ok; | |
CFF_Font cff = (CFF_Font)face->extra.data; | |
if ( cff ) | |
{ | |
CFF_FontRecDict dict = &cff->top_font.font_dict; | |
if ( dict->cid_registry == 0xFFFFU ) | |
{ | |
error = FT_THROW( Invalid_Argument ); | |
goto Fail; | |
} | |
if ( registry ) | |
{ | |
if ( cff->registry == NULL ) | |
cff->registry = cff_index_get_sid_string( cff, | |
dict->cid_registry ); | |
*registry = cff->registry; | |
} | |
if ( ordering ) | |
{ | |
if ( cff->ordering == NULL ) | |
cff->ordering = cff_index_get_sid_string( cff, | |
dict->cid_ordering ); | |
*ordering = cff->ordering; | |
} | |
/* | |
* XXX: According to Adobe TechNote #5176, the supplement in CFF | |
* can be a real number. We truncate it to fit public API | |
* since freetype-2.3.6. | |
*/ | |
if ( supplement ) | |
{ | |
if ( dict->cid_supplement < FT_INT_MIN || | |
dict->cid_supplement > FT_INT_MAX ) | |
FT_TRACE1(( "cff_get_ros: too large supplement %d is truncated\n", | |
dict->cid_supplement )); | |
*supplement = (FT_Int)dict->cid_supplement; | |
} | |
} | |
Fail: | |
return error; | |
} | |
static FT_Error | |
cff_get_is_cid( CFF_Face face, | |
FT_Bool *is_cid ) | |
{ | |
FT_Error error = FT_Err_Ok; | |
CFF_Font cff = (CFF_Font)face->extra.data; | |
*is_cid = 0; | |
if ( cff ) | |
{ | |
CFF_FontRecDict dict = &cff->top_font.font_dict; | |
if ( dict->cid_registry != 0xFFFFU ) | |
*is_cid = 1; | |
} | |
return error; | |
} | |
static FT_Error | |
cff_get_cid_from_glyph_index( CFF_Face face, | |
FT_UInt glyph_index, | |
FT_UInt *cid ) | |
{ | |
FT_Error error = FT_Err_Ok; | |
CFF_Font cff; | |
cff = (CFF_Font)face->extra.data; | |
if ( cff ) | |
{ | |
FT_UInt c; | |
CFF_FontRecDict dict = &cff->top_font.font_dict; | |
if ( dict->cid_registry == 0xFFFFU ) | |
{ | |
error = FT_THROW( Invalid_Argument ); | |
goto Fail; | |
} | |
if ( glyph_index > cff->num_glyphs ) | |
{ | |
error = FT_THROW( Invalid_Argument ); | |
goto Fail; | |
} | |
c = cff->charset.sids[glyph_index]; | |
if ( cid ) | |
*cid = c; | |
} | |
Fail: | |
return error; | |
} | |
FT_DEFINE_SERVICE_CIDREC( | |
cff_service_cid_info, | |
(FT_CID_GetRegistryOrderingSupplementFunc) | |
cff_get_ros, /* get_ros */ | |
(FT_CID_GetIsInternallyCIDKeyedFunc) | |
cff_get_is_cid, /* get_is_cid */ | |
(FT_CID_GetCIDFromGlyphIndexFunc) | |
cff_get_cid_from_glyph_index /* get_cid_from_glyph_index */ | |
) | |
/* | |
* PROPERTY SERVICE | |
* | |
*/ | |
static FT_Error | |
cff_property_set( FT_Module module, /* CFF_Driver */ | |
const char* property_name, | |
const void* value ) | |
{ | |
FT_Error error = FT_Err_Ok; | |
CFF_Driver driver = (CFF_Driver)module; | |
if ( !ft_strcmp( property_name, "darkening-parameters" ) ) | |
{ | |
FT_Int* darken_params = (FT_Int*)value; | |
FT_Int x1 = darken_params[0]; | |
FT_Int y1 = darken_params[1]; | |
FT_Int x2 = darken_params[2]; | |
FT_Int y2 = darken_params[3]; | |
FT_Int x3 = darken_params[4]; | |
FT_Int y3 = darken_params[5]; | |
FT_Int x4 = darken_params[6]; | |
FT_Int 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" ) ) | |
{ | |
FT_UInt* hinting_engine = (FT_UInt*)value; | |
#ifndef CFF_CONFIG_OPTION_OLD_ENGINE | |
if ( *hinting_engine != FT_CFF_HINTING_ADOBE ) | |
error = FT_ERR( Unimplemented_Feature ); | |
else | |
#endif | |
driver->hinting_engine = *hinting_engine; | |
return error; | |
} | |
else if ( !ft_strcmp( property_name, "no-stem-darkening" ) ) | |
{ | |
FT_Bool* no_stem_darkening = (FT_Bool*)value; | |
driver->no_stem_darkening = *no_stem_darkening; | |
return error; | |
} | |
FT_TRACE0(( "cff_property_set: missing property `%s'\n", | |
property_name )); | |
return FT_THROW( Missing_Property ); | |
} | |
static FT_Error | |
cff_property_get( FT_Module module, /* CFF_Driver */ | |
const char* property_name, | |
const void* value ) | |
{ | |
FT_Error error = FT_Err_Ok; | |
CFF_Driver driver = (CFF_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(( "cff_property_get: missing property `%s'\n", | |
property_name )); | |
return FT_THROW( Missing_Property ); | |
} | |
FT_DEFINE_SERVICE_PROPERTIESREC( | |
cff_service_properties, | |
(FT_Properties_SetFunc)cff_property_set, /* set_property */ | |
(FT_Properties_GetFunc)cff_property_get ) /* get_property */ | |
/*************************************************************************/ | |
/*************************************************************************/ | |
/*************************************************************************/ | |
/**** ****/ | |
/**** ****/ | |
/**** D R I V E R I N T E R F A C E ****/ | |
/**** ****/ | |
/**** ****/ | |
/*************************************************************************/ | |
/*************************************************************************/ | |
/*************************************************************************/ | |
#ifndef FT_CONFIG_OPTION_NO_GLYPH_NAMES | |
FT_DEFINE_SERVICEDESCREC7( | |
cff_services, | |
FT_SERVICE_ID_FONT_FORMAT, FT_FONT_FORMAT_CFF, | |
FT_SERVICE_ID_POSTSCRIPT_INFO, &CFF_SERVICE_PS_INFO_GET, | |
FT_SERVICE_ID_POSTSCRIPT_FONT_NAME, &CFF_SERVICE_PS_NAME_GET, | |
FT_SERVICE_ID_GLYPH_DICT, &CFF_SERVICE_GLYPH_DICT_GET, | |
FT_SERVICE_ID_TT_CMAP, &CFF_SERVICE_GET_CMAP_INFO_GET, | |
FT_SERVICE_ID_CID, &CFF_SERVICE_CID_INFO_GET, | |
FT_SERVICE_ID_PROPERTIES, &CFF_SERVICE_PROPERTIES_GET | |
) | |
#else | |
FT_DEFINE_SERVICEDESCREC6( | |
cff_services, | |
FT_SERVICE_ID_FONT_FORMAT, FT_FONT_FORMAT_CFF, | |
FT_SERVICE_ID_POSTSCRIPT_INFO, &CFF_SERVICE_PS_INFO_GET, | |
FT_SERVICE_ID_POSTSCRIPT_FONT_NAME, &CFF_SERVICE_PS_NAME_GET, | |
FT_SERVICE_ID_TT_CMAP, &CFF_SERVICE_GET_CMAP_INFO_GET, | |
FT_SERVICE_ID_CID, &CFF_SERVICE_CID_INFO_GET, | |
FT_SERVICE_ID_PROPERTIES, &CFF_SERVICE_PROPERTIES_GET | |
) | |
#endif | |
FT_CALLBACK_DEF( FT_Module_Interface ) | |
cff_get_interface( FT_Module driver, /* CFF_Driver */ | |
const char* module_interface ) | |
{ | |
FT_Library library; | |
FT_Module sfnt; | |
FT_Module_Interface result; | |
/* CFF_SERVICES_GET dereferences `library' in PIC mode */ | |
#ifdef FT_CONFIG_OPTION_PIC | |
if ( !driver ) | |
return NULL; | |
library = driver->library; | |
if ( !library ) | |
return NULL; | |
#endif | |
result = ft_service_list_lookup( CFF_SERVICES_GET, module_interface ); | |
if ( result != NULL ) | |
return result; | |
/* `driver' is not yet evaluated in non-PIC mode */ | |
#ifndef FT_CONFIG_OPTION_PIC | |
if ( !driver ) | |
return NULL; | |
library = driver->library; | |
if ( !library ) | |
return NULL; | |
#endif | |
/* we pass our request to the `sfnt' module */ | |
sfnt = FT_Get_Module( library, "sfnt" ); | |
return sfnt ? sfnt->clazz->get_interface( sfnt, module_interface ) : 0; | |
} | |
/* The FT_DriverInterface structure is defined in ftdriver.h. */ | |
#ifdef TT_CONFIG_OPTION_EMBEDDED_BITMAPS | |
#define CFF_SIZE_SELECT cff_size_select | |
#else | |
#define CFF_SIZE_SELECT 0 | |
#endif | |
FT_DEFINE_DRIVER( | |
cff_driver_class, | |
FT_MODULE_FONT_DRIVER | | |
FT_MODULE_DRIVER_SCALABLE | | |
FT_MODULE_DRIVER_HAS_HINTER | | |
FT_MODULE_DRIVER_HINTS_LIGHTLY, | |
sizeof ( CFF_DriverRec ), | |
"cff", | |
0x10000L, | |
0x20000L, | |
0, /* module-specific interface */ | |
cff_driver_init, /* FT_Module_Constructor module_init */ | |
cff_driver_done, /* FT_Module_Destructor module_done */ | |
cff_get_interface, /* FT_Module_Requester get_interface */ | |
sizeof ( TT_FaceRec ), | |
sizeof ( CFF_SizeRec ), | |
sizeof ( CFF_GlyphSlotRec ), | |
cff_face_init, /* FT_Face_InitFunc init_face */ | |
cff_face_done, /* FT_Face_DoneFunc done_face */ | |
cff_size_init, /* FT_Size_InitFunc init_size */ | |
cff_size_done, /* FT_Size_DoneFunc done_size */ | |
cff_slot_init, /* FT_Slot_InitFunc init_slot */ | |
cff_slot_done, /* FT_Slot_DoneFunc done_slot */ | |
cff_glyph_load, /* FT_Slot_LoadFunc load_glyph */ | |
cff_get_kerning, /* FT_Face_GetKerningFunc get_kerning */ | |
0, /* FT_Face_AttachFunc attach_file */ | |
cff_get_advances, /* FT_Face_GetAdvancesFunc get_advances */ | |
cff_size_request, /* FT_Size_RequestFunc request_size */ | |
CFF_SIZE_SELECT /* FT_Size_SelectFunc select_size */ | |
) | |
/* END */ |