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* include/freetype/internal/fnttypes.h, 

include/freetype/internal/ftserv.h, src/base/ftbdf.c, src/base/ftmm.c,
        src/base/ftobjs.c, src/base/ftpfr.c, src/base/ftwinfnt.c,
        src/base/ftxf86.c, src/pfr/pfrdrivr.c, src/winfonts/winfnt.c,
        src/winfonts/winfnt.h, include/freetype/internal/service/svwinfnt.h,:

          simplification of service lookup macros, updating the PFR and
          WINFNT font drivers to new services
This commit is contained in:
David Turner 2003-09-21 17:15:55 +00:00
parent 17dd0634f2
commit e2d12842e1
13 changed files with 285 additions and 225 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
ChangeLog
View File

@ -16,6 +16,15 @@
removing various compiler warnings
* include/freetype/internal/fnttypes.h,
include/freetype/internal/ftserv.h, src/base/ftbdf.c, src/base/ftmm.c,
src/base/ftobjs.c, src/base/ftpfr.c, src/base/ftwinfnt.c,
src/base/ftxf86.c, src/pfr/pfrdrivr.c, src/winfonts/winfnt.c,
src/winfonts/winfnt.h, include/freetype/internal/service/svwinfnt.h,:
simplification of service lookup macros, updating the PFR and
WINFNT font drivers to new services
2003-09-19 David Bevan <dbevan@emtex.com>

104
include/freetype/internal/fnttypes.h
View File

@ -1,104 +0,0 @@
/***************************************************************************/
/* */
/* fnttypes.h */
/* */
/* Basic Windows FNT/FON type definitions and interface (specification */
/* only). */
/* */
/* Copyright 1996-2001, 2002, 2003 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. */
/* */
/***************************************************************************/
#ifndef __FNTTYPES_H__
#define __FNTTYPES_H__
#include <ft2build.h>
#include FT_FREETYPE_H
#include FT_WINFONTS_H
FT_BEGIN_HEADER
typedef struct WinMZ_HeaderRec_
{
FT_UShort magic;
/* skipped content */
FT_UShort lfanew;
} WinMZ_HeaderRec;
typedef struct WinNE_HeaderRec_
{
FT_UShort magic;
/* skipped content */
FT_UShort resource_tab_offset;
FT_UShort rname_tab_offset;
} WinNE_HeaderRec;
typedef struct WinNameInfoRec_
{
FT_UShort offset;
FT_UShort length;
FT_UShort flags;
FT_UShort id;
FT_UShort handle;
FT_UShort usage;
} WinNameInfoRec;
typedef struct WinResourceInfoRec_
{
FT_UShort type_id;
FT_UShort count;
} WinResourceInfoRec;
#define WINFNT_MZ_MAGIC 0x5A4D
#define WINFNT_NE_MAGIC 0x454E
typedef struct FNT_FontRec_
{
FT_ULong offset;
FT_Int size_shift;
FT_WinFNT_HeaderRec header;
FT_Byte* fnt_frame;
FT_ULong fnt_size;
} FNT_FontRec, *FNT_Font;
typedef struct FNT_FaceRec_
{
FT_FaceRec root;
FNT_Font font;
FT_CharMap charmap_handle;
FT_CharMapRec charmap; /* a single charmap per face */
} FNT_FaceRec, *FNT_Face;
FT_END_HEADER
#endif /* __FNTTYPES_H__ */
/* END */

69
include/freetype/internal/ftserv.h
View File

@ -46,7 +46,7 @@ FT_BEGIN_HEADER
* id ::
* A string describing the service as defined in the service's
* header files (e.g. FT_SERVICE_ID_MULTI_MASTERS which expands to
* `multi-masters').
* `multi-masters'). It will be prefixed with "FT_SERVICE_ID_" !!
*
* face ::
* The source face handle.
@ -60,17 +60,17 @@ FT_BEGIN_HEADER
* A variable that receives the service pointer. Will be NULL
* if not found.
*/
#define FT_FACE_FIND_SERVICE( ptrtype, ptr, face, id ) \
FT_BEGIN_STMNT \
FT_Module module = FT_MODULE( FT_FACE(face)->driver ); \
\
\
(ptr) = NULL; \
if ( module->clazz->get_interface ) \
(ptr) = (ptrtype)module->clazz->get_interface( module, id ); \
#define FT_FACE_FIND_SERVICE( ptr, face, id ) \
FT_BEGIN_STMNT \
FT_Module module = FT_MODULE( FT_FACE(face)->driver ); \
FT_Pointer* pptr = (FT_Pointer*) &(ptr); \
\
/* the strange cast is to allow C++ compilation */ \
*pptr = NULL; \
if ( module->clazz->get_interface ) \
*pptr = module->clazz->get_interface( module, FT_SERVICE_ID_ ## id ); \
FT_END_STMNT
/*************************************************************************/
/*************************************************************************/
/***** *****/
@ -122,13 +122,19 @@ FT_BEGIN_HEADER
*
* All fields should have the type FT_Pointer to relax compilation
* dependencies. We assume the developer isn't completely stupid.
*
* Each field must be named service_XXXX where XXX correspond to
* the correct FT_SERVICE_ID_XXXX macro. see the definition of
* FT_FACE_LOOKUP_SERVICE below to see why
*
*/
typedef struct FT_ServiceCacheRec_
{
FT_Pointer postscript_name;
FT_Pointer multi_masters;
FT_Pointer glyph_dict;
FT_Pointer pfr_metrics;
FT_Pointer service_POSTSCRIPT_NAME;
FT_Pointer service_MULTI_MASTERS;
FT_Pointer service_GLYPH_DICT;
FT_Pointer service_PFR_METRICS;
FT_Pointer service_WINFNT;
} FT_ServiceCacheRec, *FT_ServiceCache;
@ -165,22 +171,27 @@ FT_BEGIN_HEADER
* ptr ::
* A variable receiving the service data. NULL if not available.
*/
#define FT_FACE_LOOKUP_SERVICE( face, ptrtype, ptr, field, id ) \
FT_BEGIN_STMNT \
(ptr) = (ptrtype)FT_FACE(face)->internal->services.field ; \
if ( (ptr) == FT_SERVICE_UNAVAILABLE ) \
(ptr) = NULL; \
else if ( (ptr) == NULL ) \
{ \
FT_FACE_FIND_SERVICE( ptrtype, ptr, face, id ); \
\
FT_FACE(face)->internal->services.field = \
(FT_Pointer)( (ptr) != NULL ? (ptr) \
: FT_SERVICE_UNAVAILABLE ); \
} \
#define FT_FACE_LOOKUP_SERVICE( face, ptr, id ) \
FT_BEGIN_STMNT \
FT_Pointer* pptr = (FT_Pointer*)&(ptr); \
FT_Pointer svc; \
\
/* the strange cast is to allow C++ compilation */ \
\
svc = FT_FACE(face)->internal->services. service_ ## id ; \
if ( svc == FT_SERVICE_UNAVAILABLE ) \
svc = NULL; \
else if ( svc == NULL ) \
{ \
FT_FACE_FIND_SERVICE( svc, face, id ); \
\
FT_FACE(face)->internal->services. service_ ## id = \
(FT_Pointer)( svc != NULL ? svc \
: FT_SERVICE_UNAVAILABLE ); \
*pptr = svc; \
} \
FT_END_STMNT
/*
* A macro used to define new service structure types.
*/
@ -205,7 +216,9 @@ FT_BEGIN_HEADER
#define FT_SERVICE_XFREE86_NAME_H <freetype/internal/services/svxf86nm.h>
#define FT_SERVICE_SFNT_H <freetype/internal/services/svsfnt.h>
#define FT_SERVICE_PFR_H <freetype/internal/services/svpfr.h>
#define FT_SERVICE_WINFNT_H <freetype/internal/services/svwinfnt.h>
/* */
FT_END_HEADER

47
include/freetype/internal/services/svwinfnt.h Normal file
View File

@ -0,0 +1,47 @@
/***************************************************************************/
/* */
/* svwinfnt.h */
/* */
/* The FreeType Windows FNT/FONT service */
/* */
/* Copyright 2003 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. */
/* */
/***************************************************************************/
#ifndef __SVWINFNT_H__
#define __SVWINFNT_H__
#include FT_INTERNAL_SERVICE_H
#include FT_WINFONTS_H
FT_BEGIN_HEADER
#define FT_SERVICE_ID_WINFNT "winfonts"
typedef FT_Error (*FT_WinFnt_GetHeaderFunc)( FT_Face face,
FT_WinFNT_HeaderRec *aheader );
FT_DEFINE_SERVICE( WinFnt )
{
FT_WinFnt_GetHeaderFunc get_header;
};
/* */
FT_END_HEADER
#endif /* __SVWINFNT_H__ */
/* END */

18
src/base/ftbdf.c
View File

@ -37,19 +37,19 @@
if ( face )
{
FT_Service_BDF service;
FT_FACE_FIND_SERVICE( FT_Service_BDF, service,
FT_FACE_FIND_SERVICE( service,
face,
FT_SERVICE_ID_BDF );
BDF );
if ( service && service->get_charset_id )
error = service->get_charset_id( face, &encoding, &registry );
}
if ( acharset_encoding )
*acharset_encoding = encoding;
if ( acharset_registry )
*acharset_registry = registry;
@ -72,12 +72,12 @@
if ( face )
{
FT_Service_BDF service;
FT_FACE_FIND_SERVICE( FT_Service_BDF, service,
FT_FACE_FIND_SERVICE( service,
face,
FT_SERVICE_ID_BDF );
BDF );
if ( service && service->get_property )
error = service->get_property( face, prop_name, aproperty );
}

15
src/base/ftmm.c
View File

@ -37,21 +37,20 @@
FT_Service_MultiMasters *aservice )
{
FT_Error error;
*aservice = NULL;
if ( !face )
return FT_Err_Invalid_Face_Handle;
error = FT_Err_Invalid_Argument;
if ( FT_HAS_MULTIPLE_MASTERS( face ) )
{
FT_FACE_LOOKUP_SERVICE( face,
FT_Service_MultiMasters, *aservice,
multi_masters,
FT_SERVICE_ID_MULTI_MASTERS );
*aservice,
MULTI_MASTERS );
}
return error;
@ -75,7 +74,7 @@
if ( service->get_mm )
error = service->get_mm( face, amaster );
}
return error;
}

60
src/base/ftobjs.c
View File

@ -38,7 +38,7 @@
{
FT_Pointer result = NULL;
FT_ServiceDesc desc = service_descriptors;
if ( desc && service_id )
{
@ -53,7 +53,7 @@
}
return result;
}
}
FT_BASE_DEF( void )
@ -1188,7 +1188,7 @@
pfb_data[4] = 0;
pfb_data[5] = 0;
pfb_pos = 7;
pfb_lenpos = 2;
pfb_lenpos = 2;
len = 0;
type = 1;
@ -1527,12 +1527,12 @@
#ifdef FT_MACINTOSH
/*
I know this section is within code which is normally turned off
I know this section is within code which is normally turned off
for the Mac. It provides an alternative approach to reading the
mac resource forks on OS/X in the event that a user does not wish
to compile ftmac.c.
*/
if ( ( FT_ERROR_BASE( error ) == FT_Err_Unknown_File_Format ||
FT_ERROR_BASE( error ) == FT_Err_Invalid_Stream_Operation ) &&
( args->flags & FT_OPEN_PATHNAME ) )
@ -2399,33 +2399,9 @@
FT_Service_GlyphDict service;
#if 0
FT_FACE_LOOKUP_SERVICE( face,
FT_Service_GlyphDict, service,
glyph_dict,
FT_SERVICE_ID_GLYPH_DICT );
#else
service = (FT_Service_GlyphDict)face->internal->services.glyph_dict;
if ( service == FT_SERVICE_UNAVAILABLE )
service = NULL;
else if ( service == NULL )
{
FT_Module module = FT_MODULE( face->driver );
if ( module->clazz->get_interface )
service = (FT_Service_GlyphDict)module->clazz->get_interface(
module, FT_SERVICE_ID_GLYPH_DICT );
face->internal->services.glyph_dict =
service != NULL ? (FT_Pointer)service
: FT_SERVICE_UNAVAILABLE;
}
#endif /* 1 */
service,
GLYPH_DICT );
if ( service && service->name_index )
result = service->name_index( face, glyph_name );
@ -2458,9 +2434,8 @@
FT_FACE_LOOKUP_SERVICE( face,
FT_Service_GlyphDict, service,
glyph_dict,
FT_SERVICE_ID_GLYPH_DICT );
service,
GLYPH_DICT );
if ( service && service->get_name )
error = service->get_name( face, glyph_index, buffer, buffer_max );
@ -2487,9 +2462,8 @@
FT_FACE_LOOKUP_SERVICE( face,
FT_Service_PsName, service,
postscript_name,
FT_SERVICE_ID_POSTSCRIPT_NAME );
service,
POSTSCRIPT_NAME );
if ( service && service->get_ps_name )
result = service->get_ps_name( face );
@ -2512,13 +2486,13 @@
if ( face && FT_IS_SFNT( face ) )
{
FT_FACE_FIND_SERVICE( FT_Service_SFNT_Table, service,
FT_FACE_FIND_SERVICE( service,
face,
FT_SERVICE_ID_SFNT_TABLE );
SFNT_TABLE );
if ( service != NULL )
table = service->get_table( face, tag );
}
return table;
}
@ -2538,12 +2512,12 @@
if ( !face || !FT_IS_SFNT( face ) )
return FT_Err_Invalid_Face_Handle;
FT_FACE_FIND_SERVICE( FT_Service_SFNT_Table, service,
FT_FACE_FIND_SERVICE( service,
face,
FT_SERVICE_ID_SFNT_TABLE );
SFNT_TABLE );
if ( service == NULL )
return FT_Err_Unimplemented_Feature;
return service->load_table( face, tag, offset, buffer, length );
}

3
src/base/ftpfr.c
View File

@ -26,8 +26,7 @@
{
FT_Service_PfrMetrics service;
FT_FACE_LOOKUP_SERVICE( face, FT_Service_PfrMetrics, service,
pfr_metrics, FT_SERVICE_ID_PFR_METRICS );
FT_FACE_LOOKUP_SERVICE( face, service, PFR_METRICS );
return service;
}

27
src/base/ftwinfnt.c
View File

@ -18,40 +18,29 @@
#include <ft2build.h>
#include FT_WINFONTS_H
#include FT_INTERNAL_FNT_TYPES_H
#include FT_INTERNAL_OBJECTS_H
#include FT_SERVICE_WINFNT_H
FT_EXPORT_DEF( FT_Error )
FT_Get_WinFNT_Header( FT_Face face,
FT_WinFNT_HeaderRec *header )
{
FT_Error error;
FT_Service_WinFnt service;
FT_Error error;
error = FT_Err_Invalid_Argument;
if ( face != NULL && face->driver != NULL )
if ( face != NULL )
{
FT_Module driver = (FT_Module) face->driver;
FT_FACE_LOOKUP_SERVICE( face, service, WINFNT );
if ( driver->clazz && driver->clazz->module_name &&
ft_strcmp( driver->clazz->module_name, "winfonts" ) == 0 )
if ( service != NULL )
{
FNT_Face fnt_face = (FNT_Face)face;
FNT_Font font = fnt_face->font;
if ( font )
{
FT_MEM_COPY( header, &font->header, sizeof ( *header ) );
error = FT_Err_Ok;
}
error = service->get_header( face, header );
}
}
return error;
return error;
}
/* END */

5
src/base/ftxf86.c
View File

@ -28,8 +28,9 @@
if ( face )
FT_FACE_FIND_SERVICE( const char*, result,
face, FT_SERVICE_ID_XF86_NAME );
FT_FACE_FIND_SERVICE( result,
face,
XF86_NAME );
return result;
}

38
src/pfr/pfrdrivr.c
View File

@ -19,13 +19,13 @@
#include <ft2build.h>
#include FT_INTERNAL_DEBUG_H
#include FT_INTERNAL_STREAM_H
#include FT_INTERNAL_PFR_H
#include FT_SERVICE_PFR_H
#include FT_SERVICE_XFREE86_NAME_H
#include "pfrdrivr.h"
#include "pfrobjs.h"
#include "pfrerror.h"
static FT_Error
pfr_get_kerning( PFR_Face face,
FT_UInt left,
@ -52,6 +52,10 @@
return PFR_Err_Ok;
}
/*
* PFR METRICS SERVICE
*
*/
static FT_Error
pfr_get_advance( PFR_Face face,
@ -119,13 +123,35 @@
FT_CALLBACK_TABLE_DEF
const FT_PFR_ServiceRec pfr_service_rec =
const FT_Service_PfrMetricsRec pfr_metrics_service_rec =
{
(FT_PFR_GetMetricsFunc) pfr_get_metrics,
(FT_PFR_GetKerningFunc) pfr_get_kerning,
(FT_PFR_GetKerningFunc) pfr_face_get_kerning,
(FT_PFR_GetAdvanceFunc) pfr_get_advance
};
/*
* SERVICE LIST
*
*/
static const FT_ServiceDescRec pfr_services[] =
{
{ FT_SERVICE_ID_PFR_METRICS, & pfr_metrics_service_rec },
{ FT_SERVICE_ID_XF86_NAME, FT_XF86_FORMAT_PFR },
{ NULL, NULL }
};
static FT_Module_Interface
pfr_get_service( FT_Driver driver,
const FT_String* service_id )
{
FT_UNUSED( driver );
return ft_service_list_lookup( pfr_services, service_id );
}
FT_CALLBACK_TABLE_DEF
const FT_Driver_ClassRec pfr_driver_class =
@ -140,11 +166,11 @@
0x10000L,
0x20000L,
(FT_PFR_Service) &pfr_service_rec, /* format interface */
NULL,
(FT_Module_Constructor)NULL,
(FT_Module_Destructor) NULL,
(FT_Module_Requester) NULL
(FT_Module_Requester) pfr_get_service
},
sizeof( PFR_FaceRec ),

48
src/winfonts/winfnt.c
View File

@ -21,12 +21,11 @@
#include FT_INTERNAL_DEBUG_H
#include FT_INTERNAL_STREAM_H
#include FT_INTERNAL_OBJECTS_H
#include FT_INTERNAL_FNT_TYPES_H
#include "winfnt.h"
#include "fnterrs.h"
#include FT_SERVICE_WINFNT_H
#include FT_SERVICE_XFREE86_NAME_H
/*************************************************************************/
/* */
@ -632,6 +631,47 @@
}
static FT_Error
winfnt_get_header( FT_Face face,
FT_WinFNT_HeaderRec *aheader )
{
FNT_Font font = ((FNT_Face)face)->font;
*aheader = font->header;
return 0;
}
static const FT_Service_WinFntRec winfnt_service_rec =
{
winfnt_get_header
};
/*
* SERVICE LIST
*
*/
static const FT_ServiceDescRec winfnt_services[] =
{
{ FT_SERVICE_ID_XF86_NAME, FT_XF86_FORMAT_WINFNT },
{ FT_SERVICE_ID_WINFNT, & winfnt_service_rec },
{ NULL, NULL }
};
static FT_Module_Interface
winfnt_get_service( FT_Driver driver,
const FT_String* service_id )
{
FT_UNUSED( driver );
return ft_service_list_lookup( winfnt_services, service_id );
}
FT_CALLBACK_TABLE_DEF
const FT_Driver_ClassRec winfnt_driver_class =
{
@ -648,7 +688,7 @@
(FT_Module_Constructor)0,
(FT_Module_Destructor) 0,
(FT_Module_Requester) 0
(FT_Module_Requester) winfnt_get_service
},
sizeof( FNT_FaceRec ),

67
src/winfonts/winfnt.h
View File

@ -21,11 +21,78 @@
#include <ft2build.h>
#include FT_WINFONTS_H
#include FT_INTERNAL_DRIVER_H
FT_BEGIN_HEADER
typedef struct WinMZ_HeaderRec_
{
FT_UShort magic;
/* skipped content */
FT_UShort lfanew;
} WinMZ_HeaderRec;
typedef struct WinNE_HeaderRec_
{
FT_UShort magic;
/* skipped content */
FT_UShort resource_tab_offset;
FT_UShort rname_tab_offset;
} WinNE_HeaderRec;
typedef struct WinNameInfoRec_
{
FT_UShort offset;
FT_UShort length;
FT_UShort flags;
FT_UShort id;
FT_UShort handle;
FT_UShort usage;
} WinNameInfoRec;
typedef struct WinResourceInfoRec_
{
FT_UShort type_id;
FT_UShort count;
} WinResourceInfoRec;
#define WINFNT_MZ_MAGIC 0x5A4D
#define WINFNT_NE_MAGIC 0x454E
typedef struct FNT_FontRec_
{
FT_ULong offset;
FT_Int size_shift;
FT_WinFNT_HeaderRec header;
FT_Byte* fnt_frame;
FT_ULong fnt_size;
} FNT_FontRec, *FNT_Font;
typedef struct FNT_FaceRec_
{
FT_FaceRec root;
FNT_Font font;
FT_CharMap charmap_handle;
FT_CharMapRec charmap; /* a single charmap per face */
} FNT_FaceRec, *FNT_Face;
FT_EXPORT_VAR( const FT_Driver_ClassRec ) winfnt_driver_class;