Commit 622f514c3f1a528f034da7f2a4d676041f3f210c
2000-07-28T01:13:29
Obsolete; Mac FOND support now lives in src/base/ftmac.c.
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diff --git a/src/macfond/fonddrvr.c b/src/macfond/fonddrvr.c
deleted file mode 100644
index 902ffa4..0000000
--- a/src/macfond/fonddrvr.c
+++ /dev/null
@@ -1,616 +0,0 @@
-/***************************************************************************/
-/* */
-/* fonddrvr.c */
-/* */
-/* Mac FOND font driver. Written by just@letterror.com. */
-/* */
-/* Copyright 1996-2000 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 driver 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 the init_face()
- method of the Type 1 driver.
- (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 the init_face()
- method if the TrueType driver.
-
- - In both cases, the original stream gets closed and *reinitialized*
- to become a memory stream. Additionally, the face->driver field --
- which is set to the FOND driver upon entering our init_face() --
- gets *reset* to either the TT or the T1 driver. I had to make a minor
- change to ftobjs.c to make this work.
-
- - We might consider creating an FT_New_Face_Mac() API call, as this
- would avoid some of the mess described above.
-*/
-
-#include <truetype/ttobjs.h>
-#include <type1z/z1objs.h>
-
-#include <Resources.h>
-#include <Fonts.h>
-#include <Errors.h>
-
-#include <ctype.h> /* for isupper() and isalnum() */
-#include <stdlib.h> /* for malloc() and free() */
-
-
-/* set PREFER_LWFN to 1 if LWFN (Type 1) is preferred over
- TrueType in case *both* are available */
-#ifndef PREFER_LWFN
-#define PREFER_LWFN 1
-#endif
-
-
- static
- FT_Error init_driver( FT_Driver driver )
- {
- /* we don't keep no stinkin' state ;-) */
- return FT_Err_Ok;
- }
-
- static
- FT_Error done_driver( FT_Driver driver )
- {
- return FT_Err_Ok;
- }
-
-
- /* MacRoman glyph names, needed for FOND kerning support. */
- /* XXX which is not implemented yet! */
- static const char* mac_roman_glyph_names[256] = {
- ".null",
- };
-
-
- /* The FOND face object is just a union of TT and T1: both is possible,
- and we don't need anything else. We still need to be able to hold
- either, as the face object is not allocated by us. Again, creating
- an FT_New_Face_Mac() would avoid this kludge. */
- typedef union FOND_FaceRec_
- {
- TT_FaceRec tt;
- T1_FaceRec t1;
- } FOND_FaceRec, *FOND_Face;
-
-
- /* given a pathname, fill in a File Spec */
- static
- int make_file_spec( char* pathname, FSSpec *spec )
- {
- Str255 p_path;
- int path_len;
-
- /* convert path to a pascal string */
- path_len = strlen( pathname );
- if ( path_len > 255 )
- return -1;
- p_path[0] = path_len;
- strncpy( (char*)p_path+1, pathname, path_len );
-
- if ( FSMakeFSSpec( 0, 0, p_path, spec ) != noErr )
- return -1;
- else
- return 0;
- }
-
-
- /* is_suitcase() returns true if the file specified by 'pathname'
- is a Mac suitcase file, and false if it ain't. */
- static
- int is_suitcase( FSSpec *spec )
- {
- FInfo finfo;
-
- if ( FSpGetFInfo( spec, &finfo ) != noErr )
- return 0;
- if ( finfo.fdType == 'FFIL' || finfo.fdType == 'tfil' )
- return 1;
- else
- return 0;
- }
-
-
- /* Quick 'n' Dirty Pascal string to C string converter.
- Warning: this call is not thread safe! Use with caution. */
- static
- char * p2c_str( unsigned char *pstr )
- {
- static char cstr[256];
-
- strncpy( cstr, (char*)pstr+1, pstr[0] );
- cstr[pstr[0]] = '\0';
- return cstr;
- }
-
-
- /* 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;
- unsigned char* p = lwfn_file_name;
- char* q = ps_name;
-
- lwfn_file_name[0] = 0;
-
- while ( *q )
- {
- if ( isupper(*q) )
- {
- if ( count )
- max = 3;
- count = 0;
- }
- if ( count < max && (isalnum(*q) || *q == '_' ) )
- {
- *++p = *q;
- lwfn_file_name[0]++;
- count++;
- }
- q++;
- }
- }
-
-
- /* Suck the relevant info out of the FOND data */
- static
- FT_Error parse_fond( char* fond_data,
- short *have_sfnt,
- short *sfnt_id,
- Str255 lwfn_file_name )
- {
- AsscEntry* assoc;
- FamRec* fond;
-
- *sfnt_id = *have_sfnt = 0;
- lwfn_file_name[0] = 0;
-
- fond = (FamRec*)fond_data;
- assoc = (AsscEntry*)(fond_data + sizeof(FamRec) + 2);
-
- if ( assoc->fontSize == 0 )
- {
- *have_sfnt = 1;
- *sfnt_id = assoc->fontID;
- }
-
- if ( fond->ffStylOff )
- {
- unsigned char* p = (unsigned char*)fond_data;
- StyleTable* style;
- unsigned short string_count;
- unsigned char* name_table = 0;
- 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++;
- }
- strcpy(ps_name, p2c_str(names[0])); /* Family name */
-
- if ( style->indexes[0] > 1 )
- {
- unsigned char* suffixes = names[style->indexes[0]-1];
- for ( i=1; i<=suffixes[0]; i++ )
- strcat( ps_name, p2c_str(names[suffixes[i]-1]) );
- }
- create_lwfn_name( ps_name, lwfn_file_name );
- }
- return FT_Err_Ok;
- }
-
-
- /* Read Type 1 data from the POST resources inside the LWFN file, return a
- PFB buffer -- apparently FT doesn't like a pure binary T1 stream. */
- static
- unsigned char* read_type1_data( FT_Memory memory, FSSpec* lwfn_spec, unsigned long *size )
- {
- short res_ref, res_id;
- unsigned char *buffer, *p, *size_p;
- unsigned long total_size = 0;
- unsigned long post_size, pfb_chunk_size;
- Handle post_data;
- char code, last_code;
-
- res_ref = FSpOpenResFile( lwfn_spec, fsRdPerm );
- if ( ResError() )
- return NULL;
- 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;
- 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;
- }
-
- buffer = memory->alloc( memory, total_size );
- if ( !buffer )
- goto error;
-
- /* second pass: append all POST data to the buffer, add PFB fields */
- p = buffer;
- res_id = 501;
- last_code = -1;
- pfb_chunk_size = 0;
- for (;;)
- {
- post_data = Get1Resource( 'POST', res_id++ );
- if ( post_data == NULL )
- break;
- post_size = 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 */
- *size_p++ = pfb_chunk_size & 0xFF;
- *size_p++ = (pfb_chunk_size >> 8) & 0xFF;
- *size_p++ = (pfb_chunk_size >> 16) & 0xFF;
- *size_p++ = (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 */
- }
- }
- memcpy( p, *post_data + 2, post_size );
- pfb_chunk_size += post_size;
- p += post_size;
- last_code = code;
- }
-
- CloseResFile( res_ref );
-
- *size = total_size;
-/* printf( "XXX %d %d\n", p - buffer, total_size ); */
- return buffer;
-
-error:
- CloseResFile( res_ref );
- return NULL;
- }
-
-
- /* Finalizer for the sfnt stream */
- static
- void sfnt_stream_close( FT_Stream stream )
- {
- Handle sfnt_data = stream->descriptor.pointer;
- HUnlock( sfnt_data );
- DisposeHandle( sfnt_data );
-
- stream->descriptor.pointer = NULL;
- stream->size = 0;
- stream->base = 0;
- stream->close = 0;
- }
-
-
- /* Finalizer for the LWFN stream */
- static
- void lwfn_stream_close( FT_Stream stream )
- {
- stream->memory->free( stream->memory, stream->base );
- stream->descriptor.pointer = NULL;
- stream->size = 0;
- stream->base = 0;
- stream->close = 0;
- }
-
-
- /* Main entry point. Determine whether we're dealing with a Mac
- suitcase or not; then determine if we're dealing with Type 1
- or TrueType; delegate the work to the proper driver. */
- static
- FT_Error init_face( FT_Stream stream,
- FT_Face face,
- FT_Int face_index,
- FT_Int num_params,
- FT_Parameter* parameters )
- {
- FT_Error err;
- FSSpec suit_spec, lwfn_spec;
- short res_ref;
- Handle fond_data, sfnt_data;
- short res_index, sfnt_id, have_sfnt;
- Str255 lwfn_file_name;
-
- if ( !stream->pathname.pointer )
- return FT_Err_Unknown_File_Format;
-
- if ( make_file_spec( stream->pathname.pointer, &suit_spec ) )
- return FT_Err_Invalid_Argument;
-
- if ( !is_suitcase( &suit_spec ) )
- return FT_Err_Unknown_File_Format;
-
- res_ref = FSpOpenResFile( &suit_spec, fsRdPerm );
- if ( ResError() )
- return FT_Err_Invalid_File_Format;
- UseResFile( res_ref );
-
- /* face_index may be -1, in which case we
- just need to do a sanity check */
- if ( face_index < 0)
- res_index = 1;
- else
- {
- res_index = face_index + 1;
- face_index = 0;
- }
- fond_data = Get1IndResource( 'FOND', res_index );
- if ( ResError() )
- {
- CloseResFile( res_ref );
- return FT_Err_Invalid_File_Format;
- }
- /* Set the number of faces. Not that it helps much: the t1 driver
- just sets it to 1 anyway :-( */
- face->num_faces = Count1Resources('FOND');
-
- HLock( fond_data );
- err = parse_fond( *fond_data, &have_sfnt, &sfnt_id, lwfn_file_name );
- HUnlock( fond_data );
- if ( err )
- {
- CloseResFile( res_ref );
- return FT_Err_Invalid_Handle;
- }
-
- if ( lwfn_file_name[0] )
- {
- /* We look for the LWFN file in the same directory as the suitcase
- file. ATM would look in other places, too, but this is the usual
- situation. */
- err = FSMakeFSSpec( suit_spec.vRefNum, suit_spec.parID, lwfn_file_name, &lwfn_spec );
- if ( err != noErr )
- lwfn_file_name[0] = 0; /* no LWFN file found */
- }
-
- if ( lwfn_file_name[0] && ( !have_sfnt || PREFER_LWFN ) )
- {
- FT_Driver t1_driver;
- unsigned char* type1_data;
- unsigned long size;
-
- CloseResFile( res_ref ); /* XXX still need to read kerning! */
-
- type1_data = read_type1_data( stream->memory, &lwfn_spec, &size );
- if ( !type1_data )
- {
- return FT_Err_Out_Of_Memory;
- }
-
-#if 0
- {
- FILE* f;
- char * path;
-
- path = p2c_str( lwfn_file_name );
- strcat( path, ".PFB" );
- f = fopen(path, "wb");
- if ( f )
- {
- fwrite( type1_data, 1, size, f );
- fclose( f );
- }
- }
-#endif
-
- /* reinitialize the stream */
- if ( stream->close )
- stream->close( stream );
- stream->close = lwfn_stream_close;
- stream->read = 0; /* it's now memory based */
- stream->base = type1_data;
- stream->size = size;
- stream->pos = 0; /* just in case */
-
- /* delegate the work to the Type 1 module */
- t1_driver = (FT_Driver)FT_Get_Module( face->driver->root.library, "type1" );
- if ( t1_driver )
- {
- face->driver = t1_driver;
- return t1_driver->clazz->init_face( stream, face, face_index, 0, NULL );
- }
- else
- return FT_Err_Invalid_Driver_Handle;
- }
- else if ( have_sfnt )
- {
- FT_Driver tt_driver;
-
- sfnt_data = Get1Resource( 'sfnt', sfnt_id );
- if ( ResError() )
- {
- CloseResFile( res_ref );
- return FT_Err_Invalid_Handle;
- }
- DetachResource( sfnt_data );
- CloseResFile( res_ref );
- HLockHi( sfnt_data );
-
- /* reinitialize the stream */
- if ( stream->close )
- stream->close( stream );
- stream->close = sfnt_stream_close;
- stream->descriptor.pointer = sfnt_data;
- stream->read = 0; /* it's now memory based */
- stream->base = (unsigned char *)*sfnt_data;
- stream->size = GetHandleSize( sfnt_data );
- stream->pos = 0; /* just in case */
-
- /* delegate the work to the TrueType driver */
- tt_driver = (FT_Driver)FT_Get_Module( face->driver->root.library, "truetype" );
- if ( tt_driver )
- {
- face->driver = tt_driver;
- return tt_driver->clazz->init_face( stream, face, face_index, 0, NULL );
- }
- else
- return FT_Err_Invalid_Driver_Handle;
- }
- else
- {
- CloseResFile( res_ref );
- }
- return FT_Err_Invalid_File_Format;
- }
-
-
- static
- void done_face( FT_Face face )
- {
- /* nothing to do */
- }
-
- /* The FT_DriverInterface structure is defined in ftdriver.h. */
-
- const FT_Driver_Class fond_driver_class =
- {
- {
- ft_module_font_driver | ft_module_driver_scalable,
- sizeof ( FT_DriverRec ),
-
- "fond", /* driver name */
- 0x10000L, /* driver version == 1.0 */
- 0x20000L, /* driver requires FreeType 2.0 or above */
-
- (void*)0,
-
- (FT_Module_Constructor) init_driver,
- (FT_Module_Destructor) done_driver,
- (FT_Module_Requester) 0
- },
-
- sizeof ( FOND_FaceRec ),
- 0,
- 0,
-
- (FTDriver_initFace) init_face,
- (FTDriver_doneFace) done_face,
- (FTDriver_initSize) 0,
- (FTDriver_doneSize) 0,
- (FTDriver_initGlyphSlot) 0,
- (FTDriver_doneGlyphSlot) 0,
-
- (FTDriver_setCharSizes) 0,
- (FTDriver_setPixelSizes) 0,
- (FTDriver_loadGlyph) 0,
- (FTDriver_getCharIndex) 0,
-
- (FTDriver_getKerning) 0,
- (FTDriver_attachFile) 0,
- (FTDriver_getAdvances) 0
- };
-
-
-
- /*************************************************************************/
- /* */
- /* <Function> */
- /* getDriverInterface */
- /* */
- /* <Description> */
- /* This function is used when compiling the FOND driver as a */
- /* shared library (`.DLL' or `.so'). It will be used by the */
- /* high-level library of FreeType to retrieve the address of the */
- /* driver's generic interface. */
- /* */
- /* It shouldn't be implemented in a static build, as each driver must */
- /* have the same function as an exported entry point. */
- /* */
- /* <Return> */
- /* The address of the TrueType's driver generic interface. The */
- /* format-specific interface can then be retrieved through the method */
- /* interface->get_format_interface. */
- /* */
-#ifdef FT_CONFIG_OPTION_DYNAMIC_DRIVERS
-
- FT_EXPORT_FUNC(const FT_Driver_Class*) getDriverClass( void )
- {
- return &fond_driver_class;
- }
-
-#endif /* CONFIG_OPTION_DYNAMIC_DRIVERS */
-
-
-/* END */