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freetype.h: Adding ft_encoding_xxx values for some CJK encodings.

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Fixing copyright notice on many files.

Changed some tracing levels.

A lot of formatting, fixing documentation etc. as usual.
This commit is contained in:
Werner Lemberg 2000-06-05 05:26:15 +00:00
parent 5617726108
commit 4e6dd8587e
27 changed files with 793 additions and 622 deletions
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3
include/freetype/freetype.h
View File

@ -310,7 +310,10 @@
ft_encoding_unicode = FT_MAKE_TAG('u','n','i','c'),
ft_encoding_latin_2 = FT_MAKE_TAG('l','a','t','2'),
ft_encoding_sjis = FT_MAKE_TAG('s','j','i','s'),
ft_encoding_gb2312 = FT_MAKE_TAG('g','b',' ',' '),
ft_encoding_big5 = FT_MAKE_TAG('b','i','g','5'),
ft_encoding_wansung = FT_MAKE_TAG('w','a','n','s'),
ft_encoding_johab = FT_MAKE_TAG('j','o','h','a'),
ft_encoding_adobe_standard = FT_MAKE_TAG('a','d','o','b'),
ft_encoding_adobe_expert = FT_MAKE_TAG('a','d','b','e'),

4
src/base/ftbase.c
View File

@ -7,8 +7,8 @@
/* Copyright 1996-2000 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 */
/* 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. */

4
src/base/ftcalc.c
View File

@ -7,8 +7,8 @@
/* Copyright 1996-2000 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 */
/* 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. */

4
src/base/ftdebug.c
View File

@ -7,8 +7,8 @@
/* Copyright 1996-2000 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 */
/* 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. */

4
src/base/ftextend.c
View File

@ -7,8 +7,8 @@
/* Copyright 1996-2000 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 */
/* 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. */

4
src/base/ftglyph.c
View File

@ -7,8 +7,8 @@
/* Copyright 1996-2000 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 */
/* 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. */

4
src/base/ftgrays.c
View File

@ -7,8 +7,8 @@
/* Copyright 2000 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 */
/* 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. */

4
src/base/ftinit.c
View File

@ -7,8 +7,8 @@
/* Copyright 1996-2000 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 */
/* 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. */

4
src/base/ftlist.c
View File

@ -7,8 +7,8 @@
/* Copyright 1996-2000 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 */
/* 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. */

4
src/base/ftmm.c
View File

@ -7,8 +7,8 @@
/* Copyright 1996-2000 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 */
/* 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. */

6
src/base/ftobjs.c
View File

@ -5,10 +5,10 @@
/* The FreeType private base classes (base). */
/* */
/* Copyright 1996-2000 by */
/* David Turner, Robert Wilhelm, and Werner Lemberg */
/* 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 */
/* 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. */

4
src/base/ftoutln.c
View File

@ -7,8 +7,8 @@
/* Copyright 1996-2000 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 */
/* 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. */

4
src/base/ftraster.c
View File

@ -7,8 +7,8 @@
/* Copyright 1996-2000 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 */
/* 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. */

4
src/base/ftstream.c
View File

@ -7,8 +7,8 @@
/* Copyright 2000 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 */
/* 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. */

4
src/base/ftsystem.c
View File

@ -7,8 +7,8 @@
/* Copyright 1996-2000 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 */
/* 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. */

2
src/base/rules.mk
View File

@ -6,7 +6,7 @@
# Copyright 1996-2000 by
# David Turner, Robert Wilhelm, and Werner Lemberg.
#
# This file is part of the FreeType project, and may only be used modified
# 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

2
src/psnames/rules.mk
View File

@ -14,8 +14,6 @@
ifndef PSNAMES_INCLUDE
PSNAMES_INCLUDED := 1
# PSNAMES driver directory
#
PSNAMES_DIR := $(SRC_)psnames

5
src/sfnt/rules.mk
View File

@ -14,18 +14,16 @@
ifndef SFNT_INCLUDE
SFNT_INCLUDED := 1
# SFNT driver directory
#
SFNT_DIR := $(SRC_)sfnt
SFNT_DIR_ := $(SFNT_DIR)$(SEP)
# additional include flags used when compiling the driver
#
SFNT_INCLUDE := $(SHARED) $(SFNT_DIR)
# compilation flags for the driver
#
SFNT_CFLAGS := $(SFNT_INCLUDE:%=$I%)
@ -41,7 +39,6 @@ ifndef SFNT_INCLUDE
$(SFNT_DIR_)sfobjs.c \
$(SFNT_DIR_)sfdriver.c
# driver headers
#
SFNT_DRV_H := $(BASE_H) \

103
src/sfnt/sfdriver.c
View File

@ -1,3 +1,21 @@
/***************************************************************************/
/* */
/* sfdriver.c */
/* */
/* High-level SFNT driver interface (body). */
/* */
/* Copyright 1996-2000 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 <freetype/internal/sfnt.h>
#include <freetype/internal/ftobjs.h>
#include <sfdriver.h>
@ -7,24 +25,48 @@
#include <ttcmap.h>
#include <sfobjs.h>
static
void* get_sfnt_table( TT_Face face, FT_Sfnt_Tag tag )
void* get_sfnt_table( TT_Face face,
FT_Sfnt_Tag tag )
{
void* table;
switch (tag)
{
case ft_sfnt_head: table = &face->header; break;
case ft_sfnt_hhea: table = &face->horizontal; break;
case ft_sfnt_vhea: table = (face->vertical_info ? &face->vertical : 0 ); break;
case ft_sfnt_os2: table = (face->os2.version == 0xFFFF ? 0 : &face->os2 ); break;
case ft_sfnt_post: table = &face->postscript; break;
case ft_sfnt_maxp: table = &face->max_profile; break;
case ft_sfnt_pclt: table = face->pclt.Version ? &face->pclt : 0 ; break;
default:
table = 0;
switch ( tag )
{
case ft_sfnt_head:
table = &face->header;
break;
case ft_sfnt_hhea:
table = &face->horizontal;
break;
case ft_sfnt_vhea:
table = face->vertical_info ? &face->vertical : 0;
break;
case ft_sfnt_os2:
table = face->os2.version == 0xFFFF ? 0 : &face->os2;
break;
case ft_sfnt_post:
table = &face->postscript;
break;
case ft_sfnt_maxp:
table = &face->max_profile;
break;
case ft_sfnt_pclt:
table = face->pclt.Version ? &face->pclt : 0;
break;
default:
table = 0;
}
return table;
}
@ -33,9 +75,9 @@
FTDriver_Interface SFNT_Get_Interface( FT_Driver driver,
const char* interface )
{
UNUSED(driver);
UNUSED( driver );
if (strcmp(interface,"get_sfnt")==0)
if ( strcmp( interface, "get_sfnt" ) == 0 )
return (FTDriver_Interface)get_sfnt_table;
return 0;
@ -70,27 +112,27 @@
TT_Load_Kern,
TT_Load_Gasp,
TT_Load_PCLT,
TT_Load_PCLT,
#ifdef TT_CONFIG_OPTION_EMBEDDED_BITMAPS
/* see `ttsbit.h' */
TT_Load_SBit_Strikes,
TT_Load_SBit_Image,
TT_Free_SBit_Strikes,
#else
#else /* TT_CONFIG_OPTION_EMBEDDED_BITMAPS */
0,
0,
0,
#endif
#endif /* TT_CONFIG_OPTION_EMBEDDED_BITMAPS */
/* see `ttpost.h' */
#ifdef TT_CONFIG_OPTION_POSTSCRIPT_NAMES
/* see `ttpost.h' */
TT_Get_PS_Name,
TT_Free_Post_Names,
#else
#else /* TT_CONFIG_OPTION_POSTSCRIPT_NAMES */
0,
0,
#endif
#endif /* TT_CONFIG_OPTION_POSTSCRIPT_NAMES */
/* see `ttcmap.h' */
TT_CharMap_Load,
@ -100,19 +142,20 @@
const FT_DriverInterface sfnt_driver_interface =
{
sizeof(FT_DriverRec),
0,
0,
0,
sizeof ( FT_DriverRec ), 0, 0, 0,
"sfnt", /* driver name */
1, /* driver version */
2, /* driver requires FreeType 2 or above */
"sfnt", /* driver name */
1, /* driver version */
2, /* driver requires FreeType 2 or higher */
(void*)&sfnt_interface,
0, 0, 0,
0, 0, 0,
0, 0, 0, 0,
0, 0, 0, 0,
0, 0, 0, 0,
0, 0,
0, 0, 0,
0,
};
/* END */

2
src/sfnt/sfdriver.h
View File

@ -4,7 +4,7 @@
/* */
/* High-level SFNT driver interface (specification). */
/* */
/* Copyright 1996-1999 by */
/* Copyright 1996-2000 by */
/* David Turner, Robert Wilhelm, and Werner Lemberg. */
/* */
/* This file is part of the FreeType project, and may only be used, */

19
src/sfnt/sfnt.c
View File

@ -1,3 +1,21 @@
/***************************************************************************/
/* */
/* sfnt.c */
/* */
/* Single object library component. */
/* */
/* Copyright 1996-2000 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. */
/* */
/***************************************************************************/
#define FT_MAKE_OPTION_SINGLE_OBJECT
#include <ttload.c>
@ -15,3 +33,4 @@
#include <sfdriver.c>
/* END */

226
src/sfnt/sfobjs.c
View File

@ -1,7 +1,26 @@
/***************************************************************************/
/* */
/* sfobjs.c */
/* */
/* SFNT object management (base). */
/* */
/* Copyright 1996-2000 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 <freetype/internal/sfnt.h>
#include <freetype/internal/psnames.h>
#include <freetype/ttnameid.h>
/*************************************************************************/
/* */
/* <Function> */
@ -16,7 +35,7 @@
/* nameid :: The name id of the name record to return. */
/* */
/* <Return> */
/* Char string. NULL if no name is present. */
/* Character string. NULL if no name is present. */
/* */
static
FT_String* Get_Name( TT_Face face,
@ -27,7 +46,7 @@
TT_NameRec* rec;
FT_Bool wide_chars = 1;
/* first pass, look for a given name record */
rec = face->name_table.names;
for ( n = 0; n < face->name_table.numNameRecords; n++, rec++ )
{
@ -36,17 +55,18 @@
/* found the name - now create an ASCII string from it */
FT_Bool found = 0;
/* Test for Microsoft English language */
/* test for Microsoft English language */
if ( rec->platformID == TT_PLATFORM_MICROSOFT &&
rec->encodingID <= TT_MS_ID_UNICODE_CS &&
(rec->languageID & 0x3FF) == 0x009 )
( rec->languageID & 0x3FF ) == 0x009 )
found = 1;
/* Test for Apple Unicode encoding */
/* test for Apple Unicode encoding */
else if ( rec->platformID == TT_PLATFORM_APPLE_UNICODE )
found = 1;
/* Test for Apple Roman */
/* test for Apple Roman */
else if ( rec->platformID == TT_PLATFORM_MACINTOSH &&
rec->languageID == TT_MAC_ID_ROMAN )
{
@ -54,22 +74,24 @@
wide_chars = 0;
}
/* Found a Unicode Name */
/* found a Unicode name */
if ( found )
{
FT_String* string;
FT_UInt len;
if ( wide_chars )
{
TT_UInt m;
len = (TT_UInt)rec->stringLength / 2;
if ( MEM_Alloc( string, len + 1 ) )
return NULL;
for ( m = 0; m < len; m ++ )
string[m] = rec->string[2*m + 1];
string[m] = rec->string[2 * m + 1];
}
else
{
@ -85,13 +107,14 @@
}
}
}
return NULL;
}
static
FT_Encoding find_encoding( int platform_id,
int encoding_id )
FT_Encoding find_encoding( int platform_id,
int encoding_id )
{
typedef struct TEncoding
{
@ -101,40 +124,42 @@
} TEncoding;
static
const TEncoding tt_encodings[] =
static const TEncoding tt_encodings[] =
{
{ TT_PLATFORM_ISO, -1, ft_encoding_unicode },
{ TT_PLATFORM_ISO, -1, ft_encoding_unicode },
{ TT_PLATFORM_APPLE_UNICODE, -1, ft_encoding_unicode },
{ TT_PLATFORM_APPLE_UNICODE, -1, ft_encoding_unicode },
{ TT_PLATFORM_MACINTOSH, TT_MAC_ID_ROMAN, ft_encoding_apple_roman },
{ TT_PLATFORM_MACINTOSH, TT_MAC_ID_ROMAN, ft_encoding_apple_roman },
{ TT_PLATFORM_MICROSOFT, TT_MS_ID_UNICODE_CS, ft_encoding_unicode },
{ TT_PLATFORM_MICROSOFT, TT_MS_ID_SJIS, ft_encoding_sjis },
{ TT_PLATFORM_MICROSOFT, TT_MS_ID_BIG_5, ft_encoding_big5 }
{ TT_PLATFORM_MICROSOFT, TT_MS_ID_UNICODE_CS, ft_encoding_unicode },
{ TT_PLATFORM_MICROSOFT, TT_MS_ID_SJIS, ft_encoding_sjis },
{ TT_PLATFORM_MICROSOFT, TT_MS_ID_GB2312, ft_encoding_gb2312 },
{ TT_PLATFORM_MICROSOFT, TT_MS_ID_BIG_5, ft_encoding_big5 },
{ TT_PLATFORM_MICROSOFT, TT_MS_ID_WANSUNG, ft_encoding_wansung },
{ TT_PLATFORM_MICROSOFT, TT_MS_ID_JOHAB, ft_encoding_johab }
};
const TEncoding *cur, *limit;
cur = tt_encodings;
limit = cur + sizeof(tt_encodings)/sizeof(tt_encodings[0]);
limit = cur + sizeof ( tt_encodings ) / sizeof ( tt_encodings[0] );
for ( ; cur < limit; cur++ )
{
if (cur->platform_id == platform_id)
if ( cur->platform_id == platform_id )
{
if (cur->encoding_id == encoding_id ||
cur->encoding_id == -1 )
if ( cur->encoding_id == encoding_id ||
cur->encoding_id == -1 )
return cur->encoding;
}
}
return ft_encoding_none;
}
LOCAL_FUNC
FT_Error SFNT_Init_Face( FT_Stream stream,
TT_Face face,
@ -142,30 +167,32 @@
TT_Int num_params,
FT_Parameter* params )
{
FT_Error error;
SFNT_Interface* sfnt;
PSNames_Interface* psnames;
SFNT_Header sfnt_header;
FT_Error error;
SFNT_Interface* sfnt;
PSNames_Interface* psnames;
SFNT_Header sfnt_header;
/* for now, parameters are unused */
UNUSED(num_params);
UNUSED(params);
UNUSED( num_params );
UNUSED( params );
sfnt = (SFNT_Interface*)face->sfnt;
if (!sfnt)
if ( !sfnt )
{
/* look-up the SFNT driver */
FT_Driver sfnt_driver;
sfnt_driver = FT_Get_Driver( face->root.driver->library, "sfnt" );
if (!sfnt_driver)
if ( !sfnt_driver )
{
error = FT_Err_Invalid_File_Format;
goto Exit;
}
sfnt = (SFNT_Interface*)(sfnt_driver->interface.format_interface);
if (!sfnt)
sfnt = (SFNT_Interface*)( sfnt_driver->interface.format_interface );
if ( !sfnt )
{
error = FT_Err_Invalid_File_Format;
goto Exit;
@ -176,27 +203,30 @@
}
psnames = (PSNames_Interface*)face->psnames;
if (!psnames)
if ( !psnames )
{
/* look-up the PSNames driver */
FT_Driver psnames_driver;
psnames_driver = FT_Get_Driver( face->root.driver->library, "psnames" );
if (psnames_driver)
if ( psnames_driver )
face->psnames = (PSNames_Interface*)
(psnames_driver->interface.format_interface);
( psnames_driver->interface.format_interface );
}
/* check that we have a valid TrueType file */
error = sfnt->load_sfnt_header( face, stream, face_index, &sfnt_header );
if (error) goto Exit;
if ( error )
goto Exit;
face->format_tag = sfnt_header.format_tag;
face->num_tables = sfnt_header.num_tables;
/* Load font directory */
error = sfnt->load_directory( face, stream, &sfnt_header );
if ( error ) goto Exit;
if ( error )
goto Exit;
face->root.num_faces = face->ttc_header.DirCount;
if ( face->root.num_faces < 1 )
@ -207,9 +237,8 @@
}
#undef LOAD_
#define LOAD_(x) ( (error = sfnt->load_##x( face, stream )) != FT_Err_Ok )
#define LOAD_( x ) ( (error = sfnt->load_##x( face, stream )) != FT_Err_Ok )
LOCAL_FUNC
@ -219,18 +248,19 @@
TT_Int num_params,
FT_Parameter* params )
{
FT_Error error;
SFNT_Interface* sfnt = (SFNT_Interface*)face->sfnt;
FT_Error error;
SFNT_Interface* sfnt = (SFNT_Interface*)face->sfnt;
/* Load tables */
if ( LOAD_( header ) ||
LOAD_( max_profile ) ||
(error = sfnt->load_metrics( face, stream, 0 )) != FT_Err_Ok ||
/* load the `hhea' & `hmtx' tables at once */
( error = sfnt->load_metrics( face, stream, 0 ) ) != FT_Err_Ok ||
(error = sfnt->load_metrics( face, stream, 1 )) != FT_Err_Ok ||
/* try to load the `vhea' & `vmtx' at once if present */
( error = sfnt->load_metrics( face, stream, 1 ) ) != FT_Err_Ok ||
LOAD_( charmaps ) ||
LOAD_( names ) ||
@ -240,10 +270,11 @@
/* the optional tables */
/* embedded bitmap support. */
#ifdef TT_CONFIG_OPTION_EMBEDDED_BITMAPS
if (sfnt->load_sbits && LOAD_(sbits)) goto Exit;
#endif
/* embedded bitmap support. */
if ( sfnt->load_sbits && LOAD_( sbits ) )
goto Exit;
#endif /* TT_CONFIG_OPTION_EMBEDDED_BITMAPS */
if ( LOAD_( hdmx ) ||
LOAD_( gasp ) ||
@ -267,21 +298,22 @@
TT_Int n;
FT_Memory memory;
memory = root->memory;
/*****************************************************************/
/* */
/* Compute face flags. */
/* */
/*********************************************************************/
/* */
/* Compute face flags. */
/* */
flags = FT_FACE_FLAG_SCALABLE | /* scalable outlines */
FT_FACE_FLAG_SFNT | /* SFNT file format */
FT_FACE_FLAG_HORIZONTAL; /* horizontal data */
/* fixed width font ? */
/* fixed width font? */
if ( face->postscript.isFixedPitch )
flags |= FT_FACE_FLAG_FIXED_WIDTH;
/* vertical information ? */
/* vertical information? */
if ( face->vertical_info )
flags |= FT_FACE_FLAG_VERTICAL;
@ -291,15 +323,15 @@
root->face_flags = flags;
/*****************************************************************/
/* */
/* Compute style flags. */
/* */
/*********************************************************************/
/* */
/* Compute style flags. */
/* */
flags = 0;
if ( face->os2.version != 0xFFFF )
{
/* We have an OS/2 table, use the `fsSelection' field */
/* we have an OS/2 table; use the `fsSelection' field */
if ( face->os2.fsSelection & 1 )
flags |= FT_STYLE_FLAG_ITALIC;
@ -308,7 +340,7 @@
}
else
{
/* This is an old Mac font, use the header field */
/* this is an old Mac font, use the header field */
if ( face->header.Mac_Style & 1 )
flags |= FT_STYLE_FLAG_BOLD;
@ -318,13 +350,13 @@
face->root.style_flags = flags;
/*****************************************************************/
/* */
/* Polish the charmaps. */
/* */
/* Try to set the charmap encoding according to the platform & */
/* encoding ID of each charmap. */
/* */
/*********************************************************************/
/* */
/* Polish the charmaps. */
/* */
/* Try to set the charmap encoding according to the platform & */
/* encoding ID of each charmap. */
/* */
charmap = face->charmaps;
root->num_charmaps = face->num_charmaps;
@ -337,13 +369,16 @@
FT_Int platform = charmap->cmap.platformID;
FT_Int encoding = charmap->cmap.platformEncodingID;
charmap->root.face = (FT_Face)face;
charmap->root.platform_id = platform;
charmap->root.encoding_id = encoding;
charmap->root.encoding = find_encoding(platform,encoding);
charmap->root.encoding = find_encoding( platform, encoding );
/* now, set root->charmap with a unicode charmap wherever available */
if (!root->charmap && charmap->root.encoding == ft_encoding_unicode)
/* now, set root->charmap with a unicode charmap */
/* wherever available */
if ( !root->charmap &&
charmap->root.encoding == ft_encoding_unicode )
root->charmap = (FT_CharMap)charmap;
root->charmaps[n] = (FT_CharMap)charmap;
@ -358,34 +393,34 @@
FT_Bitmap_Size ) )
return error;
for ( n = 0 ; n < face->num_sbit_strikes ; n++ )
{
face->root.available_sizes[n].width =
face->sbit_strikes[n].x_ppem;
face->root.available_sizes[n].height =
face->sbit_strikes[n].y_ppem;
}
for ( n = 0 ; n < face->num_sbit_strikes ; n++ )
{
face->root.available_sizes[n].width =
face->sbit_strikes[n].x_ppem;
face->root.available_sizes[n].height =
face->sbit_strikes[n].y_ppem;
}
}
else
#else
#else /* TT_CONFIG_OPTION_EMBEDDED_BITMAPS */
{
root->num_fixed_sizes = 0;
root->available_sizes = 0;
}
#endif /* TT_CONFIG_OPTION_EMBEDDED_BITMAPS */
/*****************************************************************/
/* */
/* Set up metrics. */
/* */
/*********************************************************************/
/* */
/* Set up metrics. */
/* */
root->bbox.xMin = face->header.xMin;
root->bbox.yMin = face->header.yMin;
root->bbox.xMax = face->header.xMax;
root->bbox.yMax = face->header.yMax;
root->units_per_EM = face->header.Units_Per_EM;
/* The ascender/descender/height are computed from the OS/2 table */
/* when found. Otherwise, they're taken from the horizontal header */
/* The ascender/descender/height are computed from the OS/2 table */
/* when found. Otherwise, they're taken from the horizontal header. */
if ( face->os2.version != 0xFFFF )
{
root->ascender = face->os2.sTypoAscender;
@ -401,11 +436,11 @@
face->horizontal.Line_Gap;
}
root->max_advance_width = face->horizontal.advance_Width_Max;
root->max_advance_width = face->horizontal.advance_Width_Max;
root->max_advance_height = root->height;
if ( face->vertical_info )
root->max_advance_height = face->vertical.advance_Height_Max;
root->max_advance_height = face->vertical_info
? face->vertical.advance_Height_Max
: root->height;
root->underline_position = face->postscript.underlinePosition;
root->underline_thickness = face->postscript.underlineThickness;
@ -428,14 +463,15 @@
FT_Memory memory = face->root.memory;
SFNT_Interface* sfnt = face->sfnt;
if (sfnt)
if ( sfnt )
{
/* destroy the postscript names table if it is supported */
if (sfnt->free_psnames)
/* destroy the postscript names table if it is loaded */
if ( sfnt->free_psnames )
sfnt->free_psnames( face );
/* destroy the embedded bitmaps table if it is supported */
if (sfnt->free_sbits)
/* destroy the embedded bitmaps table if it is loaded */
if ( sfnt->free_sbits )
sfnt->free_sbits( face );
}
@ -455,6 +491,8 @@
if (sfnt && sfnt->load_charmaps )
{
FT_UShort n;
for ( n = 0; n < face->num_charmaps; n++ )
sfnt->free_charmap( face, &face->charmaps[n].cmap );
}
@ -500,3 +538,5 @@
face->sfnt = 0;
}
/* END */

6
src/sfnt/sfobjs.h
View File

@ -2,9 +2,9 @@
/* */
/* sfobjs.h */
/* */
/* SFNT object management */
/* SFNT object management (specification). */
/* */
/* Copyright 1996-1999 by */
/* Copyright 1996-2000 by */
/* David Turner, Robert Wilhelm, and Werner Lemberg. */
/* */
/* This file is part of the FreeType project, and may only be used, */
@ -15,12 +15,14 @@
/* */
/***************************************************************************/
#ifndef SFOBJS_H
#define SFOBJS_H
#include <freetype/internal/sfnt.h>
#include <freetype/internal/ftobjs.h>
LOCAL_DEF
FT_Error SFNT_Init_Face( FT_Stream stream,
TT_Face face,

115
src/sfnt/ttcmap.c
View File

@ -4,11 +4,11 @@
/* */
/* TrueType character mapping table (cmap) support (body). */
/* */
/* Copyright 1996-1999 by */
/* Copyright 1996-2000 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 */
/* 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. */
@ -22,15 +22,26 @@
#include <ttload.h>
#include <ttcmap.h>
/* required by the tracing mode */
/*************************************************************************/
/* */
/* 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_ttcmap
#define FT_COMPONENT trace_ttcmap
static TT_UInt code_to_index0( TT_CMapTable* charmap, TT_ULong char_code );
static TT_UInt code_to_index2( TT_CMapTable* charmap, TT_ULong char_code );
static TT_UInt code_to_index4( TT_CMapTable* charmap, TT_ULong char_code );
static TT_UInt code_to_index6( TT_CMapTable* charmap, TT_ULong char_code );
static TT_UInt code_to_index0( TT_CMapTable* charmap,
TT_ULong char_code );
static TT_UInt code_to_index2( TT_CMapTable* charmap,
TT_ULong char_code );
static TT_UInt code_to_index4( TT_CMapTable* charmap,
TT_ULong char_code );
static TT_UInt code_to_index6( TT_CMapTable* charmap,
TT_ULong char_code );
/*************************************************************************/
/* */
@ -48,7 +59,7 @@
/* table :: A pointer to a cmap object. */
/* */
/* <Return> */
/* Error code. 0 means success. */
/* TrueType error code. 0 means success. */
/* */
/* <Note> */
/* The function assumes that the stream is already in use (i.e., */
@ -119,7 +130,7 @@
/* load subheaders */
cmap2->numGlyphId = l =
( ( cmap->length - 2L*(256+3) - num_SH*8L ) & 0xffff ) / 2;
( ( cmap->length - 2L * ( 256 + 3 ) - num_SH * 8L ) & 0xffff ) / 2;
if ( ALLOC_ARRAY( cmap2->subHeaders,
num_SH + 1,
@ -177,8 +188,8 @@
if ( ALLOC_ARRAY( cmap4->segments,
num_Seg,
TT_CMap4Segment ) ||
ACCESS_Frame( (num_Seg * 4 + 1) * 2L ) )
TT_CMap4Segment ) ||
ACCESS_Frame( ( num_Seg * 4 + 1 ) * 2L ) )
goto Fail;
segments = cmap4->segments;
@ -200,12 +211,12 @@
FORGET_Frame();
cmap4->numGlyphId = l =
( ( cmap->length - ( 16L + 8L * num_Seg ) ) & 0xFFFF ) /2;
( ( cmap->length - ( 16L + 8L * num_Seg ) ) & 0xFFFF ) / 2;
/* load IDs */
if ( ALLOC_ARRAY( cmap4->glyphIdArray, l, TT_UShort ) ||
ACCESS_Frame( l*2L ) )
ACCESS_Frame( l * 2L ) )
goto Fail;
for ( i = 0; i < l; i++ )
@ -248,6 +259,7 @@
return TT_Err_Invalid_CharMap_Format;
}
return TT_Err_Ok;
Fail:
@ -269,7 +281,7 @@
/* cmap :: A handle to a cmap object. */
/* */
/* <Return> */
/* Error code. 0 means success. */
/* TrueType error code. 0 means success. */
/* */
LOCAL_FUNC
TT_Error TT_CharMap_Free( TT_Face face,
@ -316,7 +328,6 @@
}
/*************************************************************************/
/* */
/* <Function> */
@ -332,8 +343,7 @@
/* cmap0 :: A pointer to a cmap table in format 0. */
/* */
/* <Return> */
/* Glyph index into the glyphs array. 0 if the glyph does not */
/* exist. */
/* Glyph index into the glyphs array. 0 if the glyph does not exist. */
/* */
static
TT_UInt code_to_index0( TT_CMapTable* cmap,
@ -341,6 +351,7 @@
{
TT_CMap0* cmap0 = &cmap->c.cmap0;
return ( charCode <= 0xFF ? cmap0->glyphIdArray[charCode] : 0 );
}
@ -358,54 +369,53 @@
/* cmap2 :: A pointer to a cmap table in format 2. */
/* */
/* <Return> */
/* Glyph index into the glyphs array. 0 if the glyph does not */
/* exist. */
/* Glyph index into the glyphs array. 0 if the glyph does not exist. */
/* */
static
TT_UInt code_to_index2( TT_CMapTable* cmap,
TT_ULong charCode )
{
TT_UInt result, index1, offset;
TT_UInt char_lo;
TT_ULong char_hi;
TT_CMap2SubHeader* sh2;
TT_CMap2* cmap2;
TT_UInt result, index1, offset;
TT_UInt char_lo;
TT_ULong char_hi;
TT_CMap2SubHeader* sh2;
TT_CMap2* cmap2;
cmap2 = &cmap->c.cmap2;
result = 0;
char_lo = (TT_UInt)(charCode & 0xFF);
char_lo = (TT_UInt)( charCode & 0xFF );
char_hi = charCode >> 8;
if ( char_hi == 0 )
{
/* an 8-bit character code - we use the subHeader 0 in this case */
/* to test wether the character code is in the charmap */
/* to test whether the character code is in the charmap */
if ( cmap2->subHeaderKeys[char_lo] == 0 )
{
result = cmap2->glyphIdArray[char_lo];
}
}
else
{
/* a 16-bit character code */
index1 = cmap2->subHeaderKeys[ char_hi & 0xFF ];
if (index1)
index1 = cmap2->subHeaderKeys[char_hi & 0xFF];
if ( index1 )
{
sh2 = cmap2->subHeaders + index1;
char_lo -= sh2->firstCode;
if (char_lo < sh2->entryCount)
if ( char_lo < sh2->entryCount )
{
offset = sh2->idRangeOffset/2 + char_lo;
if (offset < cmap2->numGlyphId)
offset = sh2->idRangeOffset / 2 + char_lo;
if ( offset < cmap2->numGlyphId )
{
result = cmap2->glyphIdArray[offset];
if (result)
result = (result + sh2->idDelta) & 0xFFFF;
if ( result )
result = ( result + sh2->idDelta ) & 0xFFFF;
}
}
}
}
return result;
}
@ -423,8 +433,7 @@
/* cmap4 :: A pointer to a cmap table in format 4. */
/* */
/* <Return> */
/* Glyph index into the glyphs array. 0 if the glyph does not */
/* exist. */
/* Glyph index into the glyphs array. 0 if the glyph does not exist. */
/* */
static
TT_UInt code_to_index4( TT_CMapTable* cmap,
@ -434,6 +443,7 @@
TT_CMap4* cmap4;
TT_CMap4Segment *seg4, *limit;
cmap4 = &cmap->c.cmap4;
result = 0;
segCount = cmap4->segCountX2 / 2;
@ -448,8 +458,8 @@
for ( seg4 = cmap4->segments; seg4 < limit; seg4++, segCount-- )
{
/* the ranges are sorted in increasing order, if we're out of */
/* the range here, the char code isn't in the charmap, so exit */
/* the ranges are sorted in increasing order. If we are out of */
/* the range here, the char code isn't in the charmap, so exit. */
if ( charCode > seg4->endCount )
continue;
@ -461,24 +471,23 @@
Found:
cmap4->last_segment = seg4;
/* when the idRangeOffset is 0, we can compute the glyph index */
/* directly.. */
/* if the idRangeOffset is 0, we can compute the glyph index */
/* directly */
if ( seg4->idRangeOffset == 0 )
result = (charCode + seg4->idDelta) & 0xFFFF;
result = ( charCode + seg4->idDelta ) & 0xFFFF;
else
/* otherwise, we must use the glyphIdArray to do it */
{
index1 = seg4->idRangeOffset/2 + (charCode - seg4->startCount)
/* otherwise, we must use the glyphIdArray to do it */
index1 = seg4->idRangeOffset / 2
+ ( charCode - seg4->startCount )
- segCount;
if ( index1 < cmap4->numGlyphId &&
cmap4->glyphIdArray[index1] != 0 )
{
result = (cmap4->glyphIdArray[index1] + seg4->idDelta) & 0xFFFF;
}
result = ( cmap4->glyphIdArray[index1] + seg4->idDelta ) & 0xFFFF;
}
return result;
}
@ -496,16 +505,16 @@
/* cmap6 :: A pointer to a cmap table in format 6. */
/* */
/* <Return> */
/* Glyph index into the glyphs array. 0 if the glyph does not */
/* exist. */
/* Glyph index into the glyphs array. 0 if the glyph does not exist. */
/* */
static
TT_UInt code_to_index6( TT_CMapTable* cmap,
TT_ULong charCode )
TT_ULong charCode )
{
TT_CMap6* cmap6;
TT_UInt result = 0;
cmap6 = &cmap->c.cmap6;
result = 0;
charCode -= cmap6->firstCode;

45
src/sfnt/ttcmap.h
View File

@ -4,11 +4,11 @@
/* */
/* TrueType character mapping table (cmap) support (specification). */
/* */
/* Copyright 1996-1999 by */
/* Copyright 1996-2000 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 */
/* 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. */
@ -26,50 +26,11 @@
#endif
/*************************************************************************/
/* */
/* <Function> */
/* TT_CharMap_Load */
/* */
/* <Description> */
/* Loads a given TrueType character map into memory. */
/* */
/* <Input> */
/* face :: A handle to the parent face object. */
/* stream :: A handle to the current stream object. */
/* */
/* <InOut> */
/* cmap :: A pointer to a cmap object. */
/* */
/* <Return> */
/* Error code. 0 means success. */
/* */
/* <Note> */
/* The function assumes that the stream is already in use (i.e., */
/* opened). In case of error, all partially allocated tables are */
/* released. */
/* */
LOCAL_DEF
TT_Error TT_CharMap_Load( TT_Face face,
TT_CMapTable* cmap,
FT_Stream input );
/*************************************************************************/
/* */
/* <Function> */
/* TT_CharMap_Free */
/* */
/* <Description> */
/* Destroys a character mapping table. */
/* */
/* <Input> */
/* face :: A handle to the parent face object. */
/* cmap :: A handle to a cmap object. */
/* */
/* <Return> */
/* Error code. 0 means success. */
/* */
LOCAL_DEF
TT_Error TT_CharMap_Free( TT_Face face,
TT_CMapTable* cmap );

802
src/sfnt/ttload.c
View File

File diff suppressed because it is too large Load Diff

27
src/sfnt/ttload.h
View File

@ -5,11 +5,11 @@
/* Load the basic TrueType tables, i.e., tables that can be either in */
/* TTF or OTF font (specification). */
/* */
/* Copyright 1996-1999 by */
/* Copyright 1996-2000 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 */
/* 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. */
@ -23,9 +23,10 @@
#include <freetype/internal/ftstream.h>
#include <freetype/internal/tttypes.h>
/*
#if 0
#include <ttobjs.h>
*/
#endif
#ifdef __cplusplus
extern "C" {
@ -37,17 +38,17 @@
TT_ULong tag );
LOCAL_DEF
TT_Error TT_Goto_Table( TT_Face face,
TT_ULong tag,
FT_Stream stream,
TT_ULong *length );
TT_Error TT_Goto_Table( TT_Face face,
TT_ULong tag,
FT_Stream stream,
TT_ULong* length );
LOCAL_DEF
TT_Error TT_Load_SFNT_Header( TT_Face face,
FT_Stream stream,
TT_Long face_index,
SFNT_Header* sfnt );
TT_Error TT_Load_SFNT_Header( TT_Face face,
FT_Stream stream,
TT_Long face_index,
SFNT_Header* sfnt );
LOCAL_DEF
TT_Error TT_Load_Directory( TT_Face face,
FT_Stream stream,