ref: 497cc7c4bfa1a5eb1a08d81242848afc0a1c4624
dir: /src/base/ftmac.c/
/***************************************************************************/
/* */
/* ftmac.c */
/* */
/* Mac FOND support. Written by [email protected]. */
/* */
/* Copyright 1996-2001, 2002, 2003, 2004 by */
/* Just van Rossum, 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. */
/* */
/***************************************************************************/
/*
Notes
Mac suitcase files can (and often do!) contain multiple fonts. To
support this I use the face_index argument of FT_(Open|New)_Face()
functions, and pretend the suitcase file is a collection.
Warning: Although the FOND driver sets face->num_faces field to the
number of available fonts, but the Type 1 driver sets it to 1 anyway.
So this field is currently not reliable, and I don't see a clean way
to resolve that. The face_index argument translates to
Get1IndResource( 'FOND', face_index + 1 );
so clients should figure out the resource index of the FOND.
(I'll try to provide some example code for this at some point.)
The Mac FOND support works roughly like this:
- Check whether the offered stream points to a Mac suitcase file.
This is done by checking the file type: it has to be 'FFIL' or 'tfil'.
The stream that gets passed to our init_face() routine is a stdio
stream, which isn't usable for us, since the FOND resources live
in the resource fork. So we just grab the stream->pathname field.
- Read the FOND resource into memory, then check whether there is
a TrueType font and/or(!) a Type 1 font available.
- If there is a Type 1 font available (as a separate 'LWFN' file),
read its data into memory, massage it slightly so it becomes
PFB data, wrap it into a memory stream, load the Type 1 driver
and delegate the rest of the work to it by calling FT_Open_Face().
(XXX TODO: after this has been done, the kerning data from the FOND
resource should be appended to the face: On the Mac there are usually
no AFM files available. However, this is tricky since we need to map
Mac char codes to ps glyph names to glyph ID's...)
- If there is a TrueType font (an 'sfnt' resource), read it into
memory, wrap it into a memory stream, load the TrueType driver
and delegate the rest of the work to it, by calling FT_Open_Face().
*/
#include <ft2build.h>
#include FT_FREETYPE_H
#include FT_INTERNAL_STREAM_H
#ifdef __GNUC__
#include "../truetype/ttobjs.h"
#include "../type1/t1objs.h"
#include <Carbon/Carbon.h>
#else
#include "truetype/ttobjs.h"
#include "type1/t1objs.h"
#include <Resources.h>
#include <Fonts.h>
#include <Errors.h>
#include <Files.h>
#include <TextUtils.h>
#endif
#if defined( __MWERKS__ ) && !TARGET_RT_MAC_MACHO
#include <FSp_fopen.h>
#endif
#include FT_MAC_H
/* Set PREFER_LWFN to 1 if LWFN (Type 1) is preferred over
TrueType in case *both* are available (this is not common,
but it *is* possible). */
#ifndef PREFER_LWFN
#define PREFER_LWFN 1
#endif
#if defined( __MWERKS__ ) && !TARGET_RT_MAC_MACHO
#define STREAM_FILE( stream ) ( (FILE*)stream->descriptor.pointer )
FT_CALLBACK_DEF( void )
ft_FSp_stream_close( FT_Stream stream )
{
fclose( STREAM_FILE( stream ) );
stream->descriptor.pointer = NULL;
stream->size = 0;
stream->base = 0;
}
FT_CALLBACK_DEF( unsigned long )
ft_FSp_stream_io( FT_Stream stream,
unsigned long offset,
unsigned char* buffer,
unsigned long count )
{
FILE* file;
file = STREAM_FILE( stream );
fseek( file, offset, SEEK_SET );
return (unsigned long)fread( buffer, 1, count, file );
}
#endif /* __MWERKS__ && !TARGET_RT_MAC_MACHO */
/* Given a pathname, fill in a file spec. */
static int
file_spec_from_path( const char* pathname,
FSSpec* spec )
{
#if !TARGET_API_MAC_OS8 && \
!( defined( __MWERKS__ ) && !TARGET_RT_MAC_MACHO )
OSErr e;
FSRef ref;
e = FSPathMakeRef( (UInt8 *)pathname, &ref, false /* not a directory */ );
if ( e == noErr )
e = FSGetCatalogInfo( &ref, kFSCatInfoNone, NULL, NULL, spec, NULL );
return ( e == noErr ) ? 0 : (-1);
#else
Str255 p_path;
FT_ULong path_len;
/* convert path to a pascal string */
path_len = ft_strlen( pathname );
if ( path_len > 255 )
return -1;
p_path[0] = (unsigned char)path_len;
ft_strncpy( (char*)p_path + 1, pathname, path_len );
if ( FSMakeFSSpec( 0, 0, p_path, spec ) != noErr )
return -1;
else
return 0;
#endif
}
/* Return the file type of the file specified by spec. */
static OSType
get_file_type( const FSSpec* spec )
{
FInfo finfo;
if ( FSpGetFInfo( spec, &finfo ) != noErr )
return 0; /* file might not exist */
return finfo.fdType;
}
/* Given a PostScript font name, create the Macintosh LWFN file name. */
static void
create_lwfn_name( char* ps_name,
Str255 lwfn_file_name )
{
int max = 5, count = 0;
FT_Byte* p = lwfn_file_name;
FT_Byte* q = (FT_Byte*)ps_name;
lwfn_file_name[0] = 0;
while ( *q )
{
if ( ft_isupper( *q ) )
{
if ( count )
max = 3;
count = 0;
}
if ( count < max && ( ft_isalnum( *q ) || *q == '_' ) )
{
*++p = *q;
lwfn_file_name[0]++;
count++;
}
q++;
}
}
/* Given a file reference, answer its location as a vRefNum
and a dirID. */
static FT_Error
get_file_location( short ref_num,
short* v_ref_num,
long* dir_id,
unsigned char* file_name )
{
FCBPBRec pb;
OSErr error;
pb.ioNamePtr = file_name;
pb.ioVRefNum = 0;
pb.ioRefNum = ref_num;
pb.ioFCBIndx = 0;
error = PBGetFCBInfoSync( &pb );
if ( error == noErr )
{
*v_ref_num = pb.ioFCBVRefNum;
*dir_id = pb.ioFCBParID;
}
return error;
}
/* Make a file spec for an LWFN file from a FOND resource and
a file name. */
static FT_Error
make_lwfn_spec( Handle fond,
const unsigned char* file_name,
FSSpec* spec )
{
FT_Error error;
short ref_num, v_ref_num;
long dir_id;
Str255 fond_file_name;
ref_num = HomeResFile( fond );
error = ResError();
if ( !error )
error = get_file_location( ref_num, &v_ref_num,
&dir_id, fond_file_name );
if ( !error )
error = FSMakeFSSpec( v_ref_num, dir_id, file_name, spec );
return error;
}
static short
count_faces_sfnt( char *fond_data )
{
/* The count is 1 greater than the value in the FOND. */
/* Isn't that cute? :-) */
return 1 + *( (short *)( fond_data + sizeof ( FamRec ) ) );
}
/* Look inside the FOND data, answer whether there should be an SFNT
resource, and answer the name of a possible LWFN Type 1 file.
Thanks to Paul Miller ([email protected]) for the fix
to load a face OTHER than the first one in the FOND!
*/
static void
parse_fond( char* fond_data,
short* have_sfnt,
short* sfnt_id,
Str255 lwfn_file_name,
short face_index )
{
AsscEntry* assoc;
AsscEntry* base_assoc;
FamRec* fond;
*sfnt_id = 0;
*have_sfnt = 0;
lwfn_file_name[0] = 0;
fond = (FamRec*)fond_data;
assoc = (AsscEntry*)( fond_data + sizeof ( FamRec ) + 2 );
base_assoc = assoc;
/* Let's do a little range checking before we get too excited here */
if ( face_index < count_faces_sfnt( fond_data ) )
{
assoc += face_index; /* add on the face_index! */
/* if the face at this index is not scalable,
fall back to the first one (old behavior) */
if ( assoc->fontSize == 0 )
{
*have_sfnt = 1;
*sfnt_id = assoc->fontID;
}
else if ( base_assoc->fontSize == 0 )
{
*have_sfnt = 1;
*sfnt_id = base_assoc->fontID;
}
}
if ( fond->ffStylOff )
{
unsigned char* p = (unsigned char*)fond_data;
StyleTable* style;
unsigned short string_count;
char ps_name[256];
unsigned char* names[64];
int i;
p += fond->ffStylOff;
style = (StyleTable*)p;
p += sizeof ( StyleTable );
string_count = *(unsigned short*)(p);
p += sizeof ( short );
for ( i = 0 ; i < string_count && i < 64; i++ )
{
names[i] = p;
p += names[i][0];
p++;
}
{
size_t ps_name_len = (size_t)names[0][0];
if ( ps_name_len != 0 )
{
ft_memcpy(ps_name, names[0] + 1, ps_name_len);
ps_name[ps_name_len] = 0;
}
if ( style->indexes[0] > 1 )
{
unsigned char* suffixes = names[style->indexes[0] - 1];
for ( i = 1; i <= suffixes[0]; i++ )
{
unsigned char* s;
size_t j = suffixes[i] - 1;
if ( j < string_count && ( s = names[j] ) != NULL )
{
size_t s_len = (size_t)s[0];
if ( s_len != 0 && ps_name_len + s_len < sizeof ( ps_name ) )
{
ft_memcpy( ps_name + ps_name_len, s + 1, s_len );
ps_name_len += s_len;
ps_name[ps_name_len] = 0;
}
}
}
}
}
create_lwfn_name( ps_name, lwfn_file_name );
}
}
static short
count_faces( Handle fond )
{
short sfnt_id, have_sfnt, have_lwfn = 0;
Str255 lwfn_file_name;
FSSpec lwfn_spec;
HLock( fond );
parse_fond( *fond, &have_sfnt, &sfnt_id, lwfn_file_name, 0 );
HUnlock( fond );
if ( lwfn_file_name[0] )
{
if ( make_lwfn_spec( fond, lwfn_file_name, &lwfn_spec ) == FT_Err_Ok )
have_lwfn = 1; /* yeah, we got one! */
else
have_lwfn = 0; /* no LWFN file found */
}
if ( have_lwfn && ( !have_sfnt || PREFER_LWFN ) )
return 1;
else
return count_faces_sfnt( *fond );
}
/* Read Type 1 data from the POST resources inside the LWFN file,
return a PFB buffer. This is somewhat convoluted because the FT2
PFB parser wants the ASCII header as one chunk, and the LWFN
chunks are often not organized that way, so we'll glue chunks
of the same type together. */
static FT_Error
read_lwfn( FT_Memory memory,
short res_ref,
FT_Byte** pfb_data,
FT_ULong* size )
{
FT_Error error = FT_Err_Ok;
short res_id;
unsigned char *buffer, *p, *size_p = NULL;
FT_ULong total_size = 0;
FT_ULong post_size, pfb_chunk_size;
Handle post_data;
char code, last_code;
UseResFile( res_ref );
/* First pass: load all POST resources, and determine the size of */
/* the output buffer. */
res_id = 501;
last_code = -1;
for (;;)
{
post_data = Get1Resource( 'POST', res_id++ );
if ( post_data == NULL )
break; /* we're done */
code = (*post_data)[0];
if ( code != last_code )
{
if ( code == 5 )
total_size += 2; /* just the end code */
else
total_size += 6; /* code + 4 bytes chunk length */
}
total_size += GetHandleSize( post_data ) - 2;
last_code = code;
}
if ( FT_ALLOC( buffer, (FT_Long)total_size ) )
goto Error;
/* Second pass: append all POST data to the buffer, add PFB fields. */
/* Glue all consecutive chunks of the same type together. */
p = buffer;
res_id = 501;
last_code = -1;
pfb_chunk_size = 0;
for (;;)
{
post_data = Get1Resource( 'POST', res_id++ );
if ( post_data == NULL )
break; /* we're done */
post_size = (FT_ULong)GetHandleSize( post_data ) - 2;
code = (*post_data)[0];
if ( code != last_code )
{
if ( last_code != -1 )
{
/* we're done adding a chunk, fill in the size field */
if ( size_p != NULL )
{
*size_p++ = (FT_Byte)( pfb_chunk_size & 0xFF );
*size_p++ = (FT_Byte)( ( pfb_chunk_size >> 8 ) & 0xFF );
*size_p++ = (FT_Byte)( ( pfb_chunk_size >> 16 ) & 0xFF );
*size_p++ = (FT_Byte)( ( pfb_chunk_size >> 24 ) & 0xFF );
}
pfb_chunk_size = 0;
}
*p++ = 0x80;
if ( code == 5 )
*p++ = 0x03; /* the end */
else if ( code == 2 )
*p++ = 0x02; /* binary segment */
else
*p++ = 0x01; /* ASCII segment */
if ( code != 5 )
{
size_p = p; /* save for later */
p += 4; /* make space for size field */
}
}
ft_memcpy( p, *post_data + 2, post_size );
pfb_chunk_size += post_size;
p += post_size;
last_code = code;
}
*pfb_data = buffer;
*size = total_size;
Error:
CloseResFile( res_ref );
return error;
}
/* Finalizer for a memory stream; gets called by FT_Done_Face().
It frees the memory it uses. */
static void
memory_stream_close( FT_Stream stream )
{
FT_Memory memory = stream->memory;
FT_FREE( stream->base );
stream->size = 0;
stream->base = 0;
stream->close = 0;
}
/* Create a new memory stream from a buffer and a size. */
static FT_Error
new_memory_stream( FT_Library library,
FT_Byte* base,
FT_ULong size,
FT_Stream_CloseFunc close,
FT_Stream *astream )
{
FT_Error error;
FT_Memory memory;
FT_Stream stream;
if ( !library )
return FT_Err_Invalid_Library_Handle;
if ( !base )
return FT_Err_Invalid_Argument;
*astream = 0;
memory = library->memory;
if ( FT_NEW( stream ) )
goto Exit;
FT_Stream_OpenMemory( stream, base, size );
stream->close = close;
*astream = stream;
Exit:
return error;
}
/* Create a new FT_Face given a buffer and a driver name. */
static FT_Error
open_face_from_buffer( FT_Library library,
FT_Byte* base,
FT_ULong size,
FT_Long face_index,
char* driver_name,
FT_Face *aface )
{
FT_Open_Args args;
FT_Error error;
FT_Stream stream;
FT_Memory memory = library->memory;
error = new_memory_stream( library,
base,
size,
memory_stream_close,
&stream );
if ( error )
{
FT_FREE( base );
return error;
}
args.flags = FT_OPEN_STREAM;
args.stream = stream;
if ( driver_name )
{
args.flags = args.flags | FT_OPEN_DRIVER;
args.driver = FT_Get_Module( library, driver_name );
}
/* At this point, face_index has served its purpose; */
/* whoever calls this function has already used it to */
/* locate the correct font data. We should not propagate */
/* this index to FT_Open_Face() (unless it is negative). */
if ( face_index > 0 )
face_index = 0;
error = FT_Open_Face( library, &args, face_index, aface );
if ( error == FT_Err_Ok )
(*aface)->face_flags &= ~FT_FACE_FLAG_EXTERNAL_STREAM;
return error;
}
static FT_Error
OpenFileAsResource( const FSSpec* spec,
short *p_res_ref )
{
FT_Error error;
#if !TARGET_API_MAC_OS8
FSRef hostContainerRef;
error = FSpMakeFSRef( spec, &hostContainerRef );
if ( error == noErr )
error = FSOpenResourceFile( &hostContainerRef,
0, NULL, fsRdPerm, p_res_ref );
/* If the above fails, then it is probably not a resource file */
/* However, it has been reported that FSOpenResourceFile() sometimes */
/* fails on some old resource-fork files, which FSpOpenResFile() can */
/* open. So, just try again with FSpOpenResFile() and see what */
/* happens :-) */
if ( error != noErr )
#endif /* !TARGET_API_MAC_OS8 */
{
*p_res_ref = FSpOpenResFile( spec, fsRdPerm );
error = ResError();
}
return error ? FT_Err_Cannot_Open_Resource : FT_Err_Ok;
}
/* Create a new FT_Face from a file spec to an LWFN file. */
static FT_Error
FT_New_Face_From_LWFN( FT_Library library,
const FSSpec* lwfn_spec,
FT_Long face_index,
FT_Face *aface )
{
FT_Byte* pfb_data;
FT_ULong pfb_size;
FT_Error error;
short res_ref;
error = OpenFileAsResource( lwfn_spec, &res_ref );
if ( error )
return error;
error = read_lwfn( library->memory, res_ref, &pfb_data, &pfb_size );
if ( error )
return error;
return open_face_from_buffer( library,
pfb_data,
pfb_size,
face_index,
"type1",
aface );
}
/* Create a new FT_Face from an SFNT resource, specified by res ID. */
static FT_Error
FT_New_Face_From_SFNT( FT_Library library,
short sfnt_id,
FT_Long face_index,
FT_Face *aface )
{
Handle sfnt = NULL;
FT_Byte* sfnt_data;
size_t sfnt_size;
FT_Error error = 0;
FT_Memory memory = library->memory;
int is_cff;
sfnt = GetResource( 'sfnt', sfnt_id );
if ( ResError() )
return FT_Err_Invalid_Handle;
sfnt_size = (FT_ULong)GetHandleSize( sfnt );
if ( FT_ALLOC( sfnt_data, (FT_Long)sfnt_size ) )
{
ReleaseResource( sfnt );
return error;
}
HLock( sfnt );
ft_memcpy( sfnt_data, *sfnt, sfnt_size );
HUnlock( sfnt );
ReleaseResource( sfnt );
is_cff = sfnt_size > 4 && sfnt_data[0] == 'O' &&
sfnt_data[1] == 'T' &&
sfnt_data[2] == 'T' &&
sfnt_data[3] == 'O';
return open_face_from_buffer( library,
sfnt_data,
sfnt_size,
face_index,
is_cff ? "cff" : "truetype",
aface );
}
/* Create a new FT_Face from a file spec to a suitcase file. */
static FT_Error
FT_New_Face_From_Suitcase( FT_Library library,
short res_ref,
FT_Long face_index,
FT_Face *aface )
{
FT_Error error = FT_Err_Ok;
short res_index;
Handle fond;
short num_faces;
UseResFile( res_ref );
for ( res_index = 1; ; ++res_index )
{
fond = Get1IndResource( 'FOND', res_index );
if ( ResError() )
{
error = FT_Err_Cannot_Open_Resource;
goto Error;
}
if ( face_index < 0 )
break;
num_faces = count_faces( fond );
if ( face_index < num_faces )
break;
face_index -= num_faces;
}
error = FT_New_Face_From_FOND( library, fond, face_index, aface );
Error:
CloseResFile( res_ref );
return error;
}
/* documentation is in ftmac.h */
FT_EXPORT_DEF( FT_Error )
FT_New_Face_From_FOND( FT_Library library,
Handle fond,
FT_Long face_index,
FT_Face *aface )
{
short sfnt_id, have_sfnt, have_lwfn = 0;
Str255 lwfn_file_name;
short fond_id;
OSType fond_type;
Str255 fond_name;
FSSpec lwfn_spec;
GetResInfo( fond, &fond_id, &fond_type, fond_name );
if ( ResError() != noErr || fond_type != 'FOND' )
return FT_Err_Invalid_File_Format;
HLock( fond );
parse_fond( *fond, &have_sfnt, &sfnt_id, lwfn_file_name, face_index );
HUnlock( fond );
if ( lwfn_file_name[0] )
{
if ( make_lwfn_spec( fond, lwfn_file_name, &lwfn_spec ) == FT_Err_Ok )
have_lwfn = 1; /* yeah, we got one! */
else
have_lwfn = 0; /* no LWFN file found */
}
if ( have_lwfn && ( !have_sfnt || PREFER_LWFN ) )
return FT_New_Face_From_LWFN( library,
&lwfn_spec,
face_index,
aface );
else if ( have_sfnt )
return FT_New_Face_From_SFNT( library,
sfnt_id,
face_index,
aface );
return FT_Err_Unknown_File_Format;
}
/* documentation is in ftmac.h */
FT_EXPORT_DEF( FT_Error )
FT_GetFile_From_Mac_Name( const char* fontName,
FSSpec* pathSpec,
FT_Long* face_index )
{
OptionBits options = kFMUseGlobalScopeOption;
FMFontFamilyIterator famIter;
OSStatus status = FMCreateFontFamilyIterator( NULL, NULL,
options,
&famIter );
FMFont the_font = NULL;
FMFontFamily family = NULL;
*face_index = 0;
while ( status == 0 && !the_font )
{
status = FMGetNextFontFamily( &famIter, &family );
if ( status == 0 )
{
int stat2;
FMFontFamilyInstanceIterator instIter;
Str255 famNameStr;
char famName[256];
/* get the family name */
FMGetFontFamilyName( family, famNameStr );
CopyPascalStringToC( famNameStr, famName );
/* iterate through the styles */
FMCreateFontFamilyInstanceIterator( family, &instIter );
*face_index = 0;
stat2 = 0;
while ( stat2 == 0 && !the_font )
{
FMFontStyle style;
FMFontSize size;
FMFont font;
stat2 = FMGetNextFontFamilyInstance( &instIter, &font,
&style, &size );
if ( stat2 == 0 && size == 0 )
{
char fullName[256];
/* build up a complete face name */
ft_strcpy( fullName, famName );
if ( style & bold )
strcat( fullName, " Bold" );
if ( style & italic )
strcat( fullName, " Italic" );
/* compare with the name we are looking for */
if ( ft_strcmp( fullName, fontName ) == 0 )
{
/* found it! */
the_font = font;
}
else
++(*face_index);
}
}
FMDisposeFontFamilyInstanceIterator( &instIter );
}
}
FMDisposeFontFamilyIterator( &famIter );
if ( the_font )
{
FMGetFontContainer( the_font, pathSpec );
return FT_Err_Ok;
}
else
return FT_Err_Unknown_File_Format;
}
/* Common function to load a new FT_Face from a resource file. */
static FT_Error
FT_New_Face_From_Resource( FT_Library library,
const FSSpec *spec,
FT_Long face_index,
FT_Face *aface )
{
OSType file_type;
short res_ref;
FT_Error error;
if ( OpenFileAsResource( spec, &res_ref ) == FT_Err_Ok )
{
/* LWFN is a (very) specific file format, check for it explicitly */
file_type = get_file_type( spec );
if ( file_type == 'LWFN' )
return FT_New_Face_From_LWFN( library, spec, face_index, aface );
/* Otherwise the file type doesn't matter (there are more than */
/* `FFIL' and `tfil'). Just try opening it as a font suitcase; */
/* if it works, fine. */
error = FT_New_Face_From_Suitcase( library, res_ref,
face_index, aface );
if ( error == 0 )
return error;
/* else forget about the resource fork and fall through to */
/* data fork formats */
CloseResFile( res_ref );
}
/* let it fall through to normal loader (.ttf, .otf, etc.); */
/* we signal this by returning no error and no FT_Face */
*aface = NULL;
return 0;
}
/*************************************************************************/
/* */
/* <Function> */
/* FT_New_Face */
/* */
/* <Description> */
/* This is the Mac-specific implementation of FT_New_Face. In */
/* addition to the standard FT_New_Face() functionality, it also */
/* accepts pathnames to Mac suitcase files. For further */
/* documentation see the original FT_New_Face() in freetype.h. */
/* */
FT_EXPORT_DEF( FT_Error )
FT_New_Face( FT_Library library,
const char* pathname,
FT_Long face_index,
FT_Face *aface )
{
FT_Open_Args args;
FSSpec spec;
FT_Error error;
/* test for valid `library' and `aface' delayed to FT_Open_Face() */
if ( !pathname )
return FT_Err_Invalid_Argument;
if ( file_spec_from_path( pathname, &spec ) )
return FT_Err_Invalid_Argument;
error = FT_New_Face_From_Resource( library, &spec, face_index, aface );
if ( error != 0 || *aface != NULL )
return error;
/* let it fall through to normal loader (.ttf, .otf, etc.) */
args.flags = FT_OPEN_PATHNAME;
args.pathname = (char*)pathname;
return FT_Open_Face( library, &args, face_index, aface );
}
/*************************************************************************/
/* */
/* <Function> */
/* FT_New_Face_From_FSSpec */
/* */
/* <Description> */
/* FT_New_Face_From_FSSpec is identical to FT_New_Face except it */
/* accepts an FSSpec instead of a path. */
/* */
FT_EXPORT_DEF( FT_Error )
FT_New_Face_From_FSSpec( FT_Library library,
const FSSpec *spec,
FT_Long face_index,
FT_Face *aface )
{
FT_Open_Args args;
FT_Error error;
FT_Stream stream;
FILE* file;
FT_Memory memory;
/* test for valid `library' and `aface' delayed to FT_Open_Face() */
if ( !spec )
return FT_Err_Invalid_Argument;
error = FT_New_Face_From_Resource( library, spec, face_index, aface );
if ( error != 0 || *aface != NULL )
return error;
/* let it fall through to normal loader (.ttf, .otf, etc.) */
#if defined( __MWERKS__ ) && !TARGET_RT_MAC_MACHO
/* Codewarrior's C library can open a FILE from a FSSpec */
/* but we must compile with FSp_fopen.c in addition to */
/* runtime libraries. */
memory = library->memory;
if ( FT_NEW( stream ) )
return error;
stream->memory = memory;
file = FSp_fopen( spec, "rb" );
if ( !file )
return FT_Err_Cannot_Open_Resource;
fseek( file, 0, SEEK_END );
stream->size = ftell( file );
fseek( file, 0, SEEK_SET );
stream->descriptor.pointer = file;
stream->pathname.pointer = NULL;
stream->pos = 0;
stream->read = ft_FSp_stream_io;
stream->close = ft_FSp_stream_close;
args.flags = FT_OPEN_STREAM;
args.stream = stream;
error = FT_Open_Face( library, &args, face_index, aface );
if ( error == FT_Err_Ok )
(*aface)->face_flags &= ~FT_FACE_FLAG_EXTERNAL_STREAM;
#else /* !(__MWERKS__ && !TARGET_RT_MAC_MACHO) */
{
FSRef ref;
UInt8 path[256];
OSErr err;
err = FSpMakeFSRef(spec, &ref);
if ( !err )
{
err = FSRefMakePath( &ref, path, sizeof ( path ) );
if ( !err )
error = FT_New_Face( library, (const char*)path,
face_index, aface );
}
if ( err )
error = FT_Err_Cannot_Open_Resource;
}
#endif /* !(__MWERKS__ && !TARGET_RT_MAC_MACHO) */
return error;
}
/* END */