freetype2/src/base/ftmac.c

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/****************************************************************************
*
* ftmac.c
*
* Mac FOND support. Written by just@letterror.com.
* Heavily modified by mpsuzuki, George Williams, and Sean McBride.
*
* This file is for Mac OS X only; see builds/mac/ftoldmac.c for
* classic platforms built by MPW.
*
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* Copyright (C) 1996-2022 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.
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Warning: fbit and NFNT bitmap resources are not supported yet. In old
sfnt fonts, bitmap glyph data for each size is stored in each `NFNT'
resources instead of the `bdat' table in the sfnt resource. Therefore,
face->num_fixed_sizes is set to 0, because bitmap data in `NFNT'
resource is unavailable at present.
The Mac FOND support works roughly like this:
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- 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().
- Some suitcase fonts (notably Onyx) might point the `LWFN' file to
itself, even though it doesn't contains `POST' resources. To handle
this special case without opening the file an extra time, we just
ignore errors from the `LWFN' and fallback to the `sfnt' if both are
available.
*/
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#include <freetype/freetype.h>
#include <freetype/tttags.h>
#include <freetype/internal/ftstream.h>
#include "ftbase.h"
#ifdef FT_MACINTOSH
/* This is for Mac OS X. Without redefinition, OS_INLINE */
/* expands to `static inline' which doesn't survive the */
/* -ansi compilation flag of GCC. */
#if !HAVE_ANSI_OS_INLINE
#undef OS_INLINE
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#define OS_INLINE static __inline__
#endif
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/* `configure' checks the availability of `ResourceIndex' strictly */
/* and sets HAVE_TYPE_RESOURCE_INDEX 1 or 0 always. If it is */
/* not set (e.g., a build without `configure'), the availability */
/* is guessed from the SDK version. */
#ifndef HAVE_TYPE_RESOURCE_INDEX
#if !defined( MAC_OS_X_VERSION_10_5 ) || \
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( MAC_OS_X_VERSION_MAX_ALLOWED < MAC_OS_X_VERSION_10_5 )
#define HAVE_TYPE_RESOURCE_INDEX 0
#else
#define HAVE_TYPE_RESOURCE_INDEX 1
#endif
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#endif /* !HAVE_TYPE_RESOURCE_INDEX */
#if ( HAVE_TYPE_RESOURCE_INDEX == 0 )
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typedef short ResourceIndex;
#endif
#include <CoreServices/CoreServices.h>
#include <ApplicationServices/ApplicationServices.h>
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#include <sys/syslimits.h> /* PATH_MAX */
/* Don't want warnings about our own use of deprecated functions. */
#define FT_DEPRECATED_ATTRIBUTE
#include <freetype/ftmac.h>
#ifndef kATSOptionFlagsUnRestrictedScope /* since Mac OS X 10.1 */
#define kATSOptionFlagsUnRestrictedScope kATSOptionFlagsDefault
#endif
/* 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
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#define PREFER_LWFN 1
#endif
/* This function is deprecated because FSSpec is deprecated in Mac OS X */
FT_EXPORT_DEF( FT_Error )
FT_GetFile_From_Mac_Name( const char* fontName,
FSSpec* pathSpec,
FT_Long* face_index )
{
FT_UNUSED( fontName );
FT_UNUSED( pathSpec );
FT_UNUSED( face_index );
return FT_THROW( Unimplemented_Feature );
}
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/* Private function. */
/* The FSSpec type has been discouraged for a long time, */
/* unfortunately an FSRef replacement API for */
/* ATSFontGetFileSpecification() is only available in */
/* Mac OS X 10.5 and later. */
static OSStatus
FT_ATSFontGetFileReference( ATSFontRef ats_font_id,
FSRef* ats_font_ref )
{
#if defined( MAC_OS_X_VERSION_10_5 ) && \
( MAC_OS_X_VERSION_MIN_REQUIRED >= MAC_OS_X_VERSION_10_5 )
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OSStatus err;
err = ATSFontGetFileReference( ats_font_id, ats_font_ref );
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return err;
#elif __LP64__ /* No 64bit Carbon API on legacy platforms */
FT_UNUSED( ats_font_id );
FT_UNUSED( ats_font_ref );
return fnfErr;
#else /* 32bit Carbon API on legacy platforms */
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OSStatus err;
FSSpec spec;
err = ATSFontGetFileSpecification( ats_font_id, &spec );
if ( noErr == err )
err = FSpMakeFSRef( &spec, ats_font_ref );
return err;
#endif
}
static FT_Error
FT_GetFileRef_From_Mac_ATS_Name( const char* fontName,
FSRef* ats_font_ref,
FT_Long* face_index )
{
CFStringRef cf_fontName;
ATSFontRef ats_font_id;
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*face_index = 0;
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cf_fontName = CFStringCreateWithCString( NULL, fontName,
kCFStringEncodingMacRoman );
ats_font_id = ATSFontFindFromName( cf_fontName,
kATSOptionFlagsUnRestrictedScope );
CFRelease( cf_fontName );
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if ( ats_font_id == 0 || ats_font_id == 0xFFFFFFFFUL )
return FT_THROW( Unknown_File_Format );
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if ( noErr != FT_ATSFontGetFileReference( ats_font_id, ats_font_ref ) )
return FT_THROW( Unknown_File_Format );
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/* face_index calculation by searching preceding fontIDs */
/* with same FSRef */
{
ATSFontRef id2 = ats_font_id - 1;
FSRef ref2;
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while ( id2 > 0 )
{
if ( noErr != FT_ATSFontGetFileReference( id2, &ref2 ) )
break;
if ( noErr != FSCompareFSRefs( ats_font_ref, &ref2 ) )
break;
id2 --;
}
*face_index = ats_font_id - ( id2 + 1 );
}
return FT_Err_Ok;
}
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FT_EXPORT_DEF( FT_Error )
FT_GetFilePath_From_Mac_ATS_Name( const char* fontName,
UInt8* path,
UInt32 maxPathSize,
FT_Long* face_index )
{
FSRef ref;
FT_Error err;
if ( !fontName || !face_index )
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return FT_THROW( Invalid_Argument);
err = FT_GetFileRef_From_Mac_ATS_Name( fontName, &ref, face_index );
if ( err )
return err;
if ( noErr != FSRefMakePath( &ref, path, maxPathSize ) )
return FT_THROW( Unknown_File_Format );
return FT_Err_Ok;
}
/* This function is deprecated because FSSpec is deprecated in Mac OS X */
FT_EXPORT_DEF( FT_Error )
FT_GetFile_From_Mac_ATS_Name( const char* fontName,
FSSpec* pathSpec,
FT_Long* face_index )
{
#if ( __LP64__ ) || ( defined( MAC_OS_X_VERSION_10_5 ) && \
( MAC_OS_X_VERSION_MIN_REQUIRED >= MAC_OS_X_VERSION_10_5 ) )
FT_UNUSED( fontName );
FT_UNUSED( pathSpec );
FT_UNUSED( face_index );
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return FT_THROW( Unimplemented_Feature );
#else
FSRef ref;
FT_Error err;
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if ( !fontName || !face_index )
return FT_THROW( Invalid_Argument );
err = FT_GetFileRef_From_Mac_ATS_Name( fontName, &ref, face_index );
if ( err )
return err;
if ( noErr != FSGetCatalogInfo( &ref, kFSCatInfoNone, NULL, NULL,
pathSpec, NULL ) )
return FT_THROW( Unknown_File_Format );
return FT_Err_Ok;
#endif
}
static OSErr
FT_FSPathMakeRes( const UInt8* pathname,
ResFileRefNum* res )
{
OSErr err;
FSRef ref;
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if ( noErr != FSPathMakeRef( pathname, &ref, FALSE ) )
return FT_THROW( Cannot_Open_Resource );
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/* at present, no support for dfont format */
err = FSOpenResourceFile( &ref, 0, NULL, fsRdPerm, res );
if ( noErr == err )
return err;
/* fallback to original resource-fork font */
*res = FSOpenResFile( &ref, fsRdPerm );
err = ResError();
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return err;
}
/* Return the file type for given pathname */
static OSType
get_file_type_from_path( const UInt8* pathname )
{
FSRef ref;
FSCatalogInfo info;
if ( noErr != FSPathMakeRef( pathname, &ref, FALSE ) )
return ( OSType ) 0;
if ( noErr != FSGetCatalogInfo( &ref, kFSCatInfoFinderInfo, &info,
NULL, NULL, NULL ) )
return ( OSType ) 0;
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return ( (FInfo *)( info.finderInfo ) )->fdType;
}
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/* 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++;
}
}
static short
count_faces_sfnt( char* fond_data )
{
/* The count is 1 greater than the value in the FOND. */
/* Isn't that cute? :-) */
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return EndianS16_BtoN( *( (short*)( fond_data +
sizeof ( FamRec ) ) ) ) + 1;
}
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static short
count_faces_scalable( char* fond_data )
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{
AsscEntry* assoc;
short i, face, face_all;
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face_all = EndianS16_BtoN( *( (short *)( fond_data +
sizeof ( FamRec ) ) ) ) + 1;
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assoc = (AsscEntry*)( fond_data + sizeof ( FamRec ) + 2 );
face = 0;
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for ( i = 0; i < face_all; i++ )
{
if ( 0 == EndianS16_BtoN( assoc[i].fontSize ) )
face++;
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}
return face;
}
/* Look inside the FOND data, answer whether there should be an SFNT
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resource, and answer the name of a possible LWFN Type 1 file.
Thanks to Paul Miller (paulm@profoundeffects.com) 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,
ResID* 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;
/* the maximum faces in a FOND is 48, size of StyleTable.indexes[] */
if ( 47 < face_index )
return;
/* 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 ( EndianS16_BtoN( assoc->fontSize ) == 0 )
{
*have_sfnt = 1;
*sfnt_id = EndianS16_BtoN( assoc->fontID );
}
else if ( base_assoc->fontSize == 0 )
{
*have_sfnt = 1;
*sfnt_id = EndianS16_BtoN( base_assoc->fontID );
}
}
if ( EndianS32_BtoN( 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;
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p += EndianS32_BtoN( fond->ffStylOff );
style = (StyleTable*)p;
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p += sizeof ( StyleTable );
string_count = EndianS16_BtoN( *(short*)(p) );
string_count = FT_MIN( 64, string_count );
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p += sizeof ( short );
for ( i = 0; i < string_count; i++ )
{
names[i] = p;
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p += names[i][0];
p++;
}
{
size_t ps_name_len = (size_t)names[0][0];
if ( ps_name_len != 0 )
{
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ft_memcpy( ps_name, names[0] + 1, ps_name_len );
ps_name[ps_name_len] = 0;
}
if ( style->indexes[face_index] > 1 &&
style->indexes[face_index] <= string_count )
{
unsigned char* suffixes = names[style->indexes[face_index] - 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];
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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 FT_Error
lookup_lwfn_by_fond( const UInt8* path_fond,
ConstStr255Param base_lwfn,
UInt8* path_lwfn,
size_t path_size )
{
FSRef ref, par_ref;
size_t dirname_len;
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/* Pathname for FSRef can be in various formats: HFS, HFS+, and POSIX. */
/* We should not extract parent directory by string manipulation. */
if ( noErr != FSPathMakeRef( path_fond, &ref, FALSE ) )
return FT_THROW( Invalid_Argument );
if ( noErr != FSGetCatalogInfo( &ref, kFSCatInfoNone,
NULL, NULL, NULL, &par_ref ) )
return FT_THROW( Invalid_Argument );
if ( noErr != FSRefMakePath( &par_ref, path_lwfn, path_size ) )
return FT_THROW( Invalid_Argument );
if ( ft_strlen( (char *)path_lwfn ) + 1 + base_lwfn[0] > path_size )
return FT_THROW( Invalid_Argument );
/* now we have absolute dirname in path_lwfn */
ft_strcat( (char *)path_lwfn, "/" );
dirname_len = ft_strlen( (char *)path_lwfn );
ft_strcat( (char *)path_lwfn, (char *)base_lwfn + 1 );
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path_lwfn[dirname_len + base_lwfn[0]] = '\0';
if ( noErr != FSPathMakeRef( path_lwfn, &ref, FALSE ) )
return FT_THROW( Cannot_Open_Resource );
if ( noErr != FSGetCatalogInfo( &ref, kFSCatInfoNone,
NULL, NULL, NULL, NULL ) )
return FT_THROW( Cannot_Open_Resource );
return FT_Err_Ok;
}
static short
count_faces( Handle fond,
const UInt8* pathname )
{
ResID sfnt_id;
short have_sfnt, have_lwfn;
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Str255 lwfn_file_name;
UInt8 buff[PATH_MAX];
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FT_Error err;
short num_faces;
have_sfnt = have_lwfn = 0;
parse_fond( *fond, &have_sfnt, &sfnt_id, lwfn_file_name, 0 );
if ( lwfn_file_name[0] )
{
err = lookup_lwfn_by_fond( pathname, lwfn_file_name,
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buff, sizeof ( buff ) );
if ( !err )
have_lwfn = 1;
}
if ( have_lwfn && ( !have_sfnt || PREFER_LWFN ) )
num_faces = 1;
else
num_faces = count_faces_scalable( *fond );
return num_faces;
}
/* Read Type 1 data from the POST resources inside the LWFN file,
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return a PFB buffer. This is somewhat convoluted because the FT2
PFB parser wants the ASCII header as one chunk, and the LWFN
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chunks are often not organized that way, so we glue chunks
of the same type together. */
static FT_Error
read_lwfn( FT_Memory memory,
ResFileRefNum res,
FT_Byte** pfb_data,
FT_ULong* size )
{
FT_Error error = FT_Err_Ok;
ResID res_id;
unsigned char *buffer, *p, *size_p = NULL;
FT_ULong total_size = 0;
FT_ULong old_total_size = 0;
FT_ULong post_size, pfb_chunk_size;
Handle post_data;
char code, last_code;
UseResFile( res );
/* First pass: load all POST resources, and determine the size of */
/* the output buffer. */
res_id = 501;
last_code = -1;
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for (;;)
{
post_data = Get1Resource( TTAG_POST, res_id++ );
if ( !post_data )
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break; /* we are 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 += (FT_ULong)GetHandleSize( post_data ) - 2;
last_code = code;
/* detect resource fork overflow */
if ( FT_MAC_RFORK_MAX_LEN < total_size )
{
error = FT_THROW( Array_Too_Large );
goto Error;
}
old_total_size = total_size;
}
if ( FT_QALLOC( 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( TTAG_POST, res_id++ );
if ( !post_data )
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break; /* we are done */
post_size = (FT_ULong)GetHandleSize( post_data ) - 2;
code = (*post_data)[0];
if ( code != last_code )
{
if ( last_code != -1 )
{
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/* we are done adding a chunk, fill in the size field */
if ( size_p )
{
*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;
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Error:
CloseResFile( res );
return error;
}
/* Create a new FT_Face from a file path to an LWFN file. */
static FT_Error
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FT_New_Face_From_LWFN( FT_Library library,
const UInt8* pathname,
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FT_Long face_index,
FT_Face* aface )
{
FT_Byte* pfb_data;
FT_ULong pfb_size;
FT_Error error;
ResFileRefNum res;
if ( noErr != FT_FSPathMakeRes( pathname, &res ) )
return FT_THROW( Cannot_Open_Resource );
pfb_data = NULL;
pfb_size = 0;
error = read_lwfn( library->memory, res, &pfb_data, &pfb_size );
CloseResFile( res ); /* PFB is already loaded, useless anymore */
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,
ResID sfnt_id,
FT_Long face_index,
FT_Face* aface )
{
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Handle sfnt = NULL;
FT_Byte* sfnt_data;
size_t sfnt_size;
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FT_Error error = FT_Err_Ok;
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FT_Memory memory = library->memory;
int is_cff, is_sfnt_ps;
sfnt = GetResource( TTAG_sfnt, sfnt_id );
if ( !sfnt )
return FT_THROW( Invalid_Handle );
sfnt_size = (FT_ULong)GetHandleSize( sfnt );
/* detect resource fork overflow */
if ( FT_MAC_RFORK_MAX_LEN < sfnt_size )
return FT_THROW( Array_Too_Large );
if ( FT_QALLOC( sfnt_data, (FT_Long)sfnt_size ) )
{
ReleaseResource( sfnt );
return error;
}
ft_memcpy( sfnt_data, *sfnt, sfnt_size );
ReleaseResource( sfnt );
is_cff = sfnt_size > 4 && !ft_memcmp( sfnt_data, "OTTO", 4 );
is_sfnt_ps = sfnt_size > 4 && !ft_memcmp( sfnt_data, "typ1", 4 );
if ( is_sfnt_ps )
{
FT_Stream stream;
if ( FT_NEW( stream ) )
goto Try_OpenType;
FT_Stream_OpenMemory( stream, sfnt_data, sfnt_size );
if ( !open_face_PS_from_sfnt_stream( library,
stream,
face_index,
0, NULL,
aface ) )
{
FT_Stream_Close( stream );
FT_FREE( stream );
FT_FREE( sfnt_data );
goto Exit;
}
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FT_FREE( stream );
}
Try_OpenType:
error = open_face_from_buffer( library,
sfnt_data,
sfnt_size,
face_index,
is_cff ? "cff" : "truetype",
aface );
Exit:
return error;
}
/* Create a new FT_Face from a file path to a suitcase file. */
static FT_Error
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FT_New_Face_From_Suitcase( FT_Library library,
const UInt8* pathname,
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FT_Long face_index,
FT_Face* aface )
{
FT_Error error = FT_ERR( Cannot_Open_Resource );
ResFileRefNum res_ref;
ResourceIndex res_index;
Handle fond;
short num_faces_in_res;
if ( noErr != FT_FSPathMakeRes( pathname, &res_ref ) )
return FT_THROW( Cannot_Open_Resource );
UseResFile( res_ref );
if ( ResError() )
return FT_THROW( Cannot_Open_Resource );
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num_faces_in_res = 0;
for ( res_index = 1; ; res_index++ )
{
short num_faces_in_fond;
fond = Get1IndResource( TTAG_FOND, res_index );
if ( ResError() )
break;
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num_faces_in_fond = count_faces( fond, pathname );
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num_faces_in_res += num_faces_in_fond;
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if ( 0 <= face_index && face_index < num_faces_in_fond && error )
error = FT_New_Face_From_FOND( library, fond, face_index, aface );
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face_index -= num_faces_in_fond;
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}
CloseResFile( res_ref );
if ( !error && aface && *aface )
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(*aface)->num_faces = num_faces_in_res;
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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 have_sfnt, have_lwfn = 0;
ResID sfnt_id, fond_id;
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OSType fond_type;
Str255 fond_name;
Str255 lwfn_file_name;
UInt8 path_lwfn[PATH_MAX];
OSErr err;
FT_Error error = FT_Err_Ok;
/* check of `library' and `aface' delayed to `FT_New_Face_From_XXX' */
GetResInfo( fond, &fond_id, &fond_type, fond_name );
if ( ResError() != noErr || fond_type != TTAG_FOND )
return FT_THROW( Invalid_File_Format );
parse_fond( *fond, &have_sfnt, &sfnt_id, lwfn_file_name, face_index );
if ( lwfn_file_name[0] )
{
ResFileRefNum res;
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res = HomeResFile( fond );
if ( noErr != ResError() )
goto found_no_lwfn_file;
2001-12-07 22:56:32 +01:00
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{
UInt8 path_fond[PATH_MAX];
FSRef ref;
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err = FSGetForkCBInfo( res, kFSInvalidVolumeRefNum,
NULL, NULL, NULL, &ref, NULL );
if ( noErr != err )
goto found_no_lwfn_file;
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err = FSRefMakePath( &ref, path_fond, sizeof ( path_fond ) );
if ( noErr != err )
goto found_no_lwfn_file;
error = lookup_lwfn_by_fond( path_fond, lwfn_file_name,
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path_lwfn, sizeof ( path_lwfn ) );
if ( !error )
have_lwfn = 1;
}
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}
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if ( have_lwfn && ( !have_sfnt || PREFER_LWFN ) )
error = FT_New_Face_From_LWFN( library,
path_lwfn,
face_index,
aface );
else
error = FT_THROW( Unknown_File_Format );
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2006-01-11 11:57:42 +01:00
found_no_lwfn_file:
if ( have_sfnt && error )
error = FT_New_Face_From_SFNT( library,
sfnt_id,
face_index,
aface );
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return error;
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}
/* Common function to load a new FT_Face from a resource file. */
static FT_Error
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FT_New_Face_From_Resource( FT_Library library,
const UInt8* pathname,
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FT_Long face_index,
FT_Face* aface )
{
OSType file_type;
FT_Error error;
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/* LWFN is a (very) specific file format, check for it explicitly */
file_type = get_file_type_from_path( pathname );
if ( file_type == TTAG_LWFN )
return FT_New_Face_From_LWFN( library, pathname, face_index, aface );
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/* 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, pathname, face_index, aface );
if ( error )
{
/* let it fall through to normal loader (.ttf, .otf, etc.); */
/* we signal this by returning no error and no FT_Face */
*aface = NULL;
}
return FT_Err_Ok;
}
/**************************************************************************
*
* @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;
FT_Error error;
/* test for valid `library' and `aface' delayed to FT_Open_Face() */
if ( !pathname )
return FT_THROW( Invalid_Argument );
*aface = NULL;
/* try resourcefork based font: LWFN, FFIL */
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error = FT_New_Face_From_Resource( library, (UInt8 *)pathname,
face_index, aface );
if ( error || *aface )
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 );
}
2000-07-29 22:38:19 +02:00
/**************************************************************************
*
* @Function:
* FT_New_Face_From_FSRef
*
* @Description:
* FT_New_Face_From_FSRef is identical to FT_New_Face except it
* accepts an FSRef instead of a path.
*
* This function is deprecated because Carbon data types (FSRef)
* are not cross-platform, and thus not suitable for the FreeType API.
*/
FT_EXPORT_DEF( FT_Error )
FT_New_Face_From_FSRef( FT_Library library,
const FSRef* ref,
2006-01-11 11:57:42 +01:00
FT_Long face_index,
FT_Face* aface )
{
FT_Error error;
FT_Open_Args args;
OSErr err;
UInt8 pathname[PATH_MAX];
/* check of `library' and `aface' delayed to */
/* `FT_New_Face_From_Resource' */
if ( !ref )
return FT_THROW( Invalid_Argument );
err = FSRefMakePath( ref, pathname, sizeof ( pathname ) );
if ( err )
error = FT_THROW( Cannot_Open_Resource );
error = FT_New_Face_From_Resource( library, pathname, face_index, aface );
2016-12-17 21:05:54 +01:00
if ( error || *aface )
return error;
/* fallback to datafork font */
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.
*
* This function is deprecated because FSSpec is deprecated in Mac OS X
*/
FT_EXPORT_DEF( FT_Error )
FT_New_Face_From_FSSpec( FT_Library library,
const FSSpec* spec,
FT_Long face_index,
FT_Face* aface )
2006-01-11 11:57:42 +01:00
{
#if ( __LP64__ ) || ( defined( MAC_OS_X_VERSION_10_5 ) && \
( MAC_OS_X_VERSION_MIN_REQUIRED >= MAC_OS_X_VERSION_10_5 ) )
FT_UNUSED( library );
FT_UNUSED( spec );
FT_UNUSED( face_index );
FT_UNUSED( aface );
return FT_THROW( Unimplemented_Feature );
#else
2006-01-11 11:57:42 +01:00
FSRef ref;
/* check of `library' and `aface' delayed to `FT_New_Face_From_FSRef' */
if ( !spec || FSpMakeFSRef( spec, &ref ) != noErr )
return FT_THROW( Invalid_Argument );
else
return FT_New_Face_From_FSRef( library, &ref, face_index, aface );
#endif
}
#else /* !FT_MACINTOSH */
/* ANSI C doesn't like empty source files */
typedef int _ft_mac_dummy;
#endif /* !FT_MACINTOSH */
2000-07-29 22:38:19 +02:00
/* END */