2000-02-29 17:56:18 +01:00
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/***************************************************************************/
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/* */
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/* ftoption.h */
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/* */
|
2000-07-19 18:17:55 +02:00
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/* User-selectable configuration macros (specification only). */
|
2000-02-29 17:56:18 +01:00
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/* */
|
2014-10-16 22:54:01 +02:00
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/* Copyright 1996-2014 by */
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2000-02-29 17:56:18 +01:00
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/* David Turner, Robert Wilhelm, and Werner Lemberg. */
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/* */
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2000-07-19 18:17:55 +02:00
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/* This file is part of the FreeType project, and may only be used, */
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/* modified, and distributed under the terms of the FreeType project */
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2000-02-29 17:56:18 +01:00
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/* license, LICENSE.TXT. By continuing to use, modify, or distribute */
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/* this file you indicate that you have read the license and */
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/* understand and accept it fully. */
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/* */
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/***************************************************************************/
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2000-07-19 18:17:55 +02:00
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2000-12-09 01:45:38 +01:00
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#ifndef __FTOPTION_H__
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#define __FTOPTION_H__
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1999-12-17 00:11:37 +01:00
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2000-07-19 18:17:55 +02:00
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2000-12-09 01:45:38 +01:00
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#include <ft2build.h>
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FT_BEGIN_HEADER
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2000-08-01 15:17:04 +02:00
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1999-12-17 00:11:37 +01:00
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/*************************************************************************/
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/* */
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/* USER-SELECTABLE CONFIGURATION MACROS */
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/* */
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2001-12-05 02:22:05 +01:00
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/* This file contains the default configuration macro definitions for */
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/* a standard build of the FreeType library. There are three ways to */
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2001-10-25 01:33:31 +02:00
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/* use this file to build project-specific versions of the library: */
|
2000-02-29 17:56:18 +01:00
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/* */
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2001-12-05 02:22:05 +01:00
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/* - You can modify this file by hand, but this is not recommended in */
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/* cases where you would like to build several versions of the */
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/* library from a single source directory. */
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2000-02-29 17:56:18 +01:00
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/* */
|
2001-12-05 02:22:05 +01:00
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/* - You can put a copy of this file in your build directory, more */
|
2013-11-13 08:55:46 +01:00
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/* precisely in `$BUILD/config/ftoption.h', where `$BUILD' is the */
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/* name of a directory that is included _before_ the FreeType include */
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/* path during compilation. */
|
2001-10-25 01:33:31 +02:00
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/* */
|
2001-12-05 02:22:05 +01:00
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/* The default FreeType Makefiles and Jamfiles use the build */
|
2006-03-24 13:46:49 +01:00
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/* directory `builds/<system>' by default, but you can easily change */
|
2001-12-05 02:22:05 +01:00
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/* that for your own projects. */
|
2001-10-25 01:33:31 +02:00
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|
/* */
|
2006-03-24 13:46:49 +01:00
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|
/* - Copy the file <ft2build.h> to `$BUILD/ft2build.h' and modify it */
|
2001-12-05 02:22:05 +01:00
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|
/* slightly to pre-define the macro FT_CONFIG_OPTIONS_H used to */
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/* locate this file during the build. For example, */
|
2001-10-25 01:33:31 +02:00
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/* */
|
2001-12-05 02:22:05 +01:00
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|
/* #define FT_CONFIG_OPTIONS_H <myftoptions.h> */
|
2013-11-13 08:55:46 +01:00
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|
/* #include <config/ftheader.h> */
|
2001-10-25 01:33:31 +02:00
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|
/* */
|
2006-03-24 13:46:49 +01:00
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|
/* will use `$BUILD/myftoptions.h' instead of this file for macro */
|
2001-10-25 01:33:31 +02:00
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|
/* definitions. */
|
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/* */
|
2001-12-05 02:22:05 +01:00
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|
/* Note also that you can similarly pre-define the macro */
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|
|
/* FT_CONFIG_MODULES_H used to locate the file listing of the modules */
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|
/* that are statically linked to the library at compile time. By */
|
2013-11-13 08:55:46 +01:00
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|
|
/* default, this file is <config/ftmodule.h>. */
|
2001-10-25 01:33:31 +02:00
|
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|
/* */
|
2014-10-25 05:20:08 +02:00
|
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|
/* We highly recommend using the third method whenever possible. */
|
1999-12-17 00:11:37 +01:00
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|
/* */
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|
/*************************************************************************/
|
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|
2000-07-19 18:17:55 +02:00
|
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|
2000-03-13 13:12:46 +01:00
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|
/*************************************************************************/
|
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|
|
|
/*************************************************************************/
|
|
|
|
|
/**** ****/
|
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|
|
|
/**** G E N E R A L F R E E T Y P E 2 C O N F I G U R A T I O N ****/
|
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|
/**** ****/
|
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|
/*************************************************************************/
|
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|
|
/*************************************************************************/
|
1999-12-17 00:11:37 +01:00
|
|
|
|
2000-07-19 18:17:55 +02:00
|
|
|
|
CHANGES BETWEEN 2.2.1 and 2.2.2
I. IMPORTANT BUG FIXES
- Various integer overflows have been fixed.
- PFB fonts with MacOS resource fork weren't handled correctly on
non-MacOS platforms.
- The PCF font loarder has been seriously hardened against malformed
font files.
II. IMPORTANT CHANGES
- the unpatented hinter is now part of the default build of the
library, and we added code to automatically support "tricky"
fonts that need it.
what this means is that FreeType should "just work" with certain
Asian fonts, like MingLiu, which cannot properly load without a
bytecode interpreter, but fortunately do not use any of the
patented bytecode opcodes.
Note that the API didn't change, so you can still force
unpatented hinting with a special parameter to FT_Open_Face
as well.
if you're an embedded systems developer, you might want to
*disable* the feature to save code space by undefining
TT_CONFIG_OPTION_UNPATENTED_HINTING in ftoption.h.
- LCD-optimized rendering is now disabled in all default builds
of the library, mainly due to patent reasons. For more information
see:
http://lists.gnu.org/archive/html/freetype/2006-09/msg00064.html
a new configuration macro FT_CONFIG_OPTION_SUBPIXEL_RENDERING has
been introduced in ftoption.h; manually define it in this file
if you want to re-enable the feature.
the change only affects the implementation, not the FreeType API.
This means that clients don't need to be modified, because the
library still generates LCD decimated bitmaps, but with the added
constraint that R=G=B on each triplet.
- Some computation bugs in the TrueType bytecode interpreter were found,
which allow us to get rid of very subtle and rare differences we had
with the Windows renderer.
III. MISCELLANEOUS
- TrueType glyph loading is now about 25% faster.
- the anti-aliased rasterizer has been optimized and is now 15% to 25%
percent faster than the previous one, depending on content
- the Type 1 loader has been improved; as an example, it now skips
over top-level dictionaries properly
======================================================================
2006-09-26 18:58:21 +02:00
|
|
|
/*************************************************************************/
|
|
|
|
|
/* */
|
2006-12-01 09:20:47 +01:00
|
|
|
/* Uncomment the line below if you want to activate sub-pixel rendering */
|
CHANGES BETWEEN 2.2.1 and 2.2.2
I. IMPORTANT BUG FIXES
- Various integer overflows have been fixed.
- PFB fonts with MacOS resource fork weren't handled correctly on
non-MacOS platforms.
- The PCF font loarder has been seriously hardened against malformed
font files.
II. IMPORTANT CHANGES
- the unpatented hinter is now part of the default build of the
library, and we added code to automatically support "tricky"
fonts that need it.
what this means is that FreeType should "just work" with certain
Asian fonts, like MingLiu, which cannot properly load without a
bytecode interpreter, but fortunately do not use any of the
patented bytecode opcodes.
Note that the API didn't change, so you can still force
unpatented hinting with a special parameter to FT_Open_Face
as well.
if you're an embedded systems developer, you might want to
*disable* the feature to save code space by undefining
TT_CONFIG_OPTION_UNPATENTED_HINTING in ftoption.h.
- LCD-optimized rendering is now disabled in all default builds
of the library, mainly due to patent reasons. For more information
see:
http://lists.gnu.org/archive/html/freetype/2006-09/msg00064.html
a new configuration macro FT_CONFIG_OPTION_SUBPIXEL_RENDERING has
been introduced in ftoption.h; manually define it in this file
if you want to re-enable the feature.
the change only affects the implementation, not the FreeType API.
This means that clients don't need to be modified, because the
library still generates LCD decimated bitmaps, but with the added
constraint that R=G=B on each triplet.
- Some computation bugs in the TrueType bytecode interpreter were found,
which allow us to get rid of very subtle and rare differences we had
with the Windows renderer.
III. MISCELLANEOUS
- TrueType glyph loading is now about 25% faster.
- the anti-aliased rasterizer has been optimized and is now 15% to 25%
percent faster than the previous one, depending on content
- the Type 1 loader has been improved; as an example, it now skips
over top-level dictionaries properly
======================================================================
2006-09-26 18:58:21 +02:00
|
|
|
/* (a.k.a. LCD rendering, or ClearType) in this build of the library. */
|
|
|
|
|
/* */
|
|
|
|
|
/* Note that this feature is covered by several Microsoft patents */
|
|
|
|
|
/* and should not be activated in any default build of the library. */
|
|
|
|
|
/* */
|
|
|
|
|
/* This macro has no impact on the FreeType API, only on its */
|
2006-09-26 23:55:44 +02:00
|
|
|
/* _implementation_. For example, using FT_RENDER_MODE_LCD when calling */
|
2010-02-09 15:43:24 +01:00
|
|
|
/* FT_Render_Glyph still generates a bitmap that is 3 times wider than */
|
|
|
|
|
/* the original size in case this macro isn't defined; however, each */
|
|
|
|
|
/* triplet of subpixels has R=G=B. */
|
CHANGES BETWEEN 2.2.1 and 2.2.2
I. IMPORTANT BUG FIXES
- Various integer overflows have been fixed.
- PFB fonts with MacOS resource fork weren't handled correctly on
non-MacOS platforms.
- The PCF font loarder has been seriously hardened against malformed
font files.
II. IMPORTANT CHANGES
- the unpatented hinter is now part of the default build of the
library, and we added code to automatically support "tricky"
fonts that need it.
what this means is that FreeType should "just work" with certain
Asian fonts, like MingLiu, which cannot properly load without a
bytecode interpreter, but fortunately do not use any of the
patented bytecode opcodes.
Note that the API didn't change, so you can still force
unpatented hinting with a special parameter to FT_Open_Face
as well.
if you're an embedded systems developer, you might want to
*disable* the feature to save code space by undefining
TT_CONFIG_OPTION_UNPATENTED_HINTING in ftoption.h.
- LCD-optimized rendering is now disabled in all default builds
of the library, mainly due to patent reasons. For more information
see:
http://lists.gnu.org/archive/html/freetype/2006-09/msg00064.html
a new configuration macro FT_CONFIG_OPTION_SUBPIXEL_RENDERING has
been introduced in ftoption.h; manually define it in this file
if you want to re-enable the feature.
the change only affects the implementation, not the FreeType API.
This means that clients don't need to be modified, because the
library still generates LCD decimated bitmaps, but with the added
constraint that R=G=B on each triplet.
- Some computation bugs in the TrueType bytecode interpreter were found,
which allow us to get rid of very subtle and rare differences we had
with the Windows renderer.
III. MISCELLANEOUS
- TrueType glyph loading is now about 25% faster.
- the anti-aliased rasterizer has been optimized and is now 15% to 25%
percent faster than the previous one, depending on content
- the Type 1 loader has been improved; as an example, it now skips
over top-level dictionaries properly
======================================================================
2006-09-26 18:58:21 +02:00
|
|
|
/* */
|
2006-09-26 23:55:44 +02:00
|
|
|
/* This is done to allow FreeType clients to run unmodified, forcing */
|
CHANGES BETWEEN 2.2.1 and 2.2.2
I. IMPORTANT BUG FIXES
- Various integer overflows have been fixed.
- PFB fonts with MacOS resource fork weren't handled correctly on
non-MacOS platforms.
- The PCF font loarder has been seriously hardened against malformed
font files.
II. IMPORTANT CHANGES
- the unpatented hinter is now part of the default build of the
library, and we added code to automatically support "tricky"
fonts that need it.
what this means is that FreeType should "just work" with certain
Asian fonts, like MingLiu, which cannot properly load without a
bytecode interpreter, but fortunately do not use any of the
patented bytecode opcodes.
Note that the API didn't change, so you can still force
unpatented hinting with a special parameter to FT_Open_Face
as well.
if you're an embedded systems developer, you might want to
*disable* the feature to save code space by undefining
TT_CONFIG_OPTION_UNPATENTED_HINTING in ftoption.h.
- LCD-optimized rendering is now disabled in all default builds
of the library, mainly due to patent reasons. For more information
see:
http://lists.gnu.org/archive/html/freetype/2006-09/msg00064.html
a new configuration macro FT_CONFIG_OPTION_SUBPIXEL_RENDERING has
been introduced in ftoption.h; manually define it in this file
if you want to re-enable the feature.
the change only affects the implementation, not the FreeType API.
This means that clients don't need to be modified, because the
library still generates LCD decimated bitmaps, but with the added
constraint that R=G=B on each triplet.
- Some computation bugs in the TrueType bytecode interpreter were found,
which allow us to get rid of very subtle and rare differences we had
with the Windows renderer.
III. MISCELLANEOUS
- TrueType glyph loading is now about 25% faster.
- the anti-aliased rasterizer has been optimized and is now 15% to 25%
percent faster than the previous one, depending on content
- the Type 1 loader has been improved; as an example, it now skips
over top-level dictionaries properly
======================================================================
2006-09-26 18:58:21 +02:00
|
|
|
/* them to display normal gray-level anti-aliased glyphs. */
|
|
|
|
|
/* */
|
|
|
|
|
/* #define FT_CONFIG_OPTION_SUBPIXEL_RENDERING */
|
|
|
|
|
|
2006-09-26 23:55:44 +02:00
|
|
|
|
2002-03-29 08:43:04 +01:00
|
|
|
/*************************************************************************/
|
|
|
|
|
/* */
|
2002-10-31 23:19:27 +01:00
|
|
|
/* Many compilers provide a non-ANSI 64-bit data type that can be used */
|
|
|
|
|
/* by FreeType to speed up some computations. However, this will create */
|
|
|
|
|
/* some problems when compiling the library in strict ANSI mode. */
|
|
|
|
|
/* */
|
2003-04-21 22:39:42 +02:00
|
|
|
/* For this reason, the use of 64-bit integers is normally disabled when */
|
2002-10-31 23:19:27 +01:00
|
|
|
/* the __STDC__ macro is defined. You can however disable this by */
|
2003-04-21 22:39:42 +02:00
|
|
|
/* defining the macro FT_CONFIG_OPTION_FORCE_INT64 here. */
|
2002-03-29 08:43:04 +01:00
|
|
|
/* */
|
2003-04-21 22:39:42 +02:00
|
|
|
/* For most compilers, this will only create compilation warnings when */
|
|
|
|
|
/* building the library. */
|
2002-03-29 08:43:04 +01:00
|
|
|
/* */
|
2002-10-31 23:19:27 +01:00
|
|
|
/* ObNote: The compiler-specific 64-bit integers are detected in the */
|
2006-03-24 13:46:49 +01:00
|
|
|
/* file `ftconfig.h' either statically or through the */
|
2003-04-21 22:39:42 +02:00
|
|
|
/* `configure' script on supported platforms. */
|
2002-10-31 23:19:27 +01:00
|
|
|
/* */
|
2008-09-12 18:27:48 +02:00
|
|
|
#undef FT_CONFIG_OPTION_FORCE_INT64
|
2002-03-29 08:43:04 +01:00
|
|
|
|
2002-03-01 03:26:22 +01:00
|
|
|
|
2008-09-02 04:21:58 +02:00
|
|
|
/*************************************************************************/
|
|
|
|
|
/* */
|
2008-09-12 18:27:48 +02:00
|
|
|
/* If this macro is defined, do not try to use an assembler version of */
|
|
|
|
|
/* performance-critical functions (e.g. FT_MulFix). You should only do */
|
|
|
|
|
/* that to verify that the assembler function works properly, or to */
|
|
|
|
|
/* execute benchmark tests of the various implementations. */
|
2008-09-02 04:21:58 +02:00
|
|
|
/* #define FT_CONFIG_OPTION_NO_ASSEMBLER */
|
|
|
|
|
|
2008-09-12 18:27:48 +02:00
|
|
|
|
2008-09-02 04:21:58 +02:00
|
|
|
/*************************************************************************/
|
|
|
|
|
/* */
|
2008-09-12 18:27:48 +02:00
|
|
|
/* If this macro is defined, try to use an inlined assembler version of */
|
|
|
|
|
/* the `FT_MulFix' function, which is a `hotspot' when loading and */
|
|
|
|
|
/* hinting glyphs, and which should be executed as fast as possible. */
|
2008-09-02 04:21:58 +02:00
|
|
|
/* */
|
2008-09-12 18:27:48 +02:00
|
|
|
/* Note that if your compiler or CPU is not supported, this will default */
|
|
|
|
|
/* to the standard and portable implementation found in `ftcalc.c'. */
|
2008-09-02 04:21:58 +02:00
|
|
|
/* */
|
|
|
|
|
#define FT_CONFIG_OPTION_INLINE_MULFIX
|
|
|
|
|
|
|
|
|
|
|
2004-03-05 10:26:24 +01:00
|
|
|
/*************************************************************************/
|
|
|
|
|
/* */
|
|
|
|
|
/* LZW-compressed file support. */
|
|
|
|
|
/* */
|
|
|
|
|
/* FreeType now handles font files that have been compressed with the */
|
2006-03-24 13:46:49 +01:00
|
|
|
/* `compress' program. This is mostly used to parse many of the PCF */
|
2006-01-28 11:38:15 +01:00
|
|
|
/* files that come with various X11 distributions. The implementation */
|
|
|
|
|
/* uses NetBSD's `zopen' to partially uncompress the file on the fly */
|
|
|
|
|
/* (see src/lzw/ftgzip.c). */
|
2004-03-05 10:26:24 +01:00
|
|
|
/* */
|
|
|
|
|
/* Define this macro if you want to enable this `feature'. */
|
|
|
|
|
/* */
|
|
|
|
|
#define FT_CONFIG_OPTION_USE_LZW
|
|
|
|
|
|
|
|
|
|
|
2000-03-28 13:22:31 +02:00
|
|
|
/*************************************************************************/
|
|
|
|
|
/* */
|
2002-10-31 23:19:27 +01:00
|
|
|
/* Gzip-compressed file support. */
|
2000-03-28 13:22:31 +02:00
|
|
|
/* */
|
2002-10-31 23:19:27 +01:00
|
|
|
/* FreeType now handles font files that have been compressed with the */
|
2006-03-24 13:46:49 +01:00
|
|
|
/* `gzip' program. This is mostly used to parse many of the PCF files */
|
2003-04-21 22:39:42 +02:00
|
|
|
/* that come with XFree86. The implementation uses `zlib' to */
|
2004-03-05 10:26:24 +01:00
|
|
|
/* partially uncompress the file on the fly (see src/gzip/ftgzip.c). */
|
2000-03-28 13:22:31 +02:00
|
|
|
/* */
|
2004-03-05 10:26:24 +01:00
|
|
|
/* Define this macro if you want to enable this `feature'. See also */
|
|
|
|
|
/* the macro FT_CONFIG_OPTION_SYSTEM_ZLIB below. */
|
2000-03-28 13:22:31 +02:00
|
|
|
/* */
|
2002-10-31 23:19:27 +01:00
|
|
|
#define FT_CONFIG_OPTION_USE_ZLIB
|
2000-03-28 13:22:31 +02:00
|
|
|
|
2002-11-06 23:32:54 +01:00
|
|
|
|
|
|
|
|
/*************************************************************************/
|
|
|
|
|
/* */
|
|
|
|
|
/* ZLib library selection */
|
|
|
|
|
/* */
|
|
|
|
|
/* This macro is only used when FT_CONFIG_OPTION_USE_ZLIB is defined. */
|
2004-03-05 10:26:24 +01:00
|
|
|
/* It allows FreeType's `ftgzip' component to link to the system's */
|
2003-04-21 22:39:42 +02:00
|
|
|
/* installation of the ZLib library. This is useful on systems like */
|
2002-11-06 23:32:54 +01:00
|
|
|
/* Unix or VMS where it generally is already available. */
|
|
|
|
|
/* */
|
|
|
|
|
/* If you let it undefined, the component will use its own copy */
|
2003-04-21 22:39:42 +02:00
|
|
|
/* of the zlib sources instead. These have been modified to be */
|
2002-11-06 23:32:54 +01:00
|
|
|
/* included directly within the component and *not* export external */
|
2003-04-21 22:39:42 +02:00
|
|
|
/* function names. This allows you to link any program with FreeType */
|
2002-11-06 23:32:54 +01:00
|
|
|
/* _and_ ZLib without linking conflicts. */
|
|
|
|
|
/* */
|
2003-04-21 22:39:42 +02:00
|
|
|
/* Do not #undef this macro here since the build system might define */
|
|
|
|
|
/* it for certain configurations only. */
|
2002-11-06 23:32:54 +01:00
|
|
|
/* */
|
2008-09-12 18:27:48 +02:00
|
|
|
/* #define FT_CONFIG_OPTION_SYSTEM_ZLIB */
|
2002-11-06 23:32:54 +01:00
|
|
|
|
|
|
|
|
|
2010-12-31 16:59:33 +01:00
|
|
|
/*************************************************************************/
|
|
|
|
|
/* */
|
|
|
|
|
/* Bzip2-compressed file support. */
|
|
|
|
|
/* */
|
|
|
|
|
/* FreeType now handles font files that have been compressed with the */
|
|
|
|
|
/* `bzip2' program. This is mostly used to parse many of the PCF */
|
|
|
|
|
/* files that come with XFree86. The implementation uses `libbz2' to */
|
|
|
|
|
/* partially uncompress the file on the fly (see src/bzip2/ftbzip2.c). */
|
|
|
|
|
/* Contrary to gzip, bzip2 currently is not included and need to use */
|
|
|
|
|
/* the system available bzip2 implementation. */
|
|
|
|
|
/* */
|
|
|
|
|
/* Define this macro if you want to enable this `feature'. */
|
|
|
|
|
/* */
|
|
|
|
|
/* #define FT_CONFIG_OPTION_USE_BZIP2 */
|
|
|
|
|
|
|
|
|
|
|
2011-07-20 06:48:08 +02:00
|
|
|
/*************************************************************************/
|
|
|
|
|
/* */
|
|
|
|
|
/* Define to disable the use of file stream functions and types, FILE, */
|
|
|
|
|
/* fopen() etc. Enables the use of smaller system libraries on embedded */
|
|
|
|
|
/* systems that have multiple system libraries, some with or without */
|
|
|
|
|
/* file stream support, in the cases where file stream support is not */
|
|
|
|
|
/* necessary such as memory loading of font files. */
|
|
|
|
|
/* */
|
|
|
|
|
/* #define FT_CONFIG_OPTION_DISABLE_STREAM_SUPPORT */
|
|
|
|
|
|
|
|
|
|
|
Add support for color embedded bitmaps (eg. color emoji).
A new load flag, FT_LOAD_COLOR, makes FreeType load color
embedded-bitmaps, following this draft specification
https://color-emoji.googlecode.com/git/specification/v1.html
which defines two new SFNT tables, `CBDT' and `CBLC' (named and
modeled after `EBDT' and `EBLC', respectively). The color bitmaps
are stored in the new FT_PIXEL_MODE_BGRA format to represent BGRA
pre-multiplied sRGB images. If PNG support is available, PNG color
images as defined in the same proposed specification are supported
also.
Note that color bitmaps are converted to grayscale if client didn't
ask for color.
* builds/unix/configure.raw: Search for libpng.
Add `--without-png' option.
* devel/ftoption.h, include/freetype/config/ftoption.h
(FT_CONFIG_OPTION_USE_PNG): New macro.
* include/freetype/freetype.h (FT_LOAD_COLOR): New load flag.
* include/freetype/ftimage.h (FT_Pixel_Mode): Add
`FT_PIXEL_MODE_BGRA'.
* include/freetype/tttags.h (TTAG_CBDT, TTAG_CBLC): New tags.
* src/base/ftbitmap.c (FT_Bitmap_Embolden): Updated.
(ft_gray_for_premultiplied_srgb_bgra): New function.
(FT_Bitmap_Convert): Handle FT_PIXEL_MODE_BGRA.
* src/sfnt/pngshim.c, src/sfnt/pngshim.h: New files.
* src/sfnt/sfnt.c: Include `pngshim.c'.
* src/sfnt/ttsbit.c: Include FT_BITMAP_H and `pngshim.h'
(tt_face_load_eblc): Load `CBLC'.
(tt_sbit_decoder_init): Load `CBDT'.
(tt_sbit_decoder_alloc_bitmap): Pass load flags to select between
color and grayscale bitmaps.
Set `num_grays'. This is used by `ftview' to choose the blending
algorithm.
(tt_sbit_decoder_load_byte_aligned,
tt_sbit_decoder_load_bit_aligned, tt_sbit_decoder_load_compound,
tt_sbit_decoder_load_image): Pass load flag.
s/write/pwrite/.
Don't call `tt_sbit_decoder_alloc_bitmap'.
Updated.
(tt_sbit_decoder_load_png) [FT_CONFIG_OPTION_USE_PNG]: New function.
(tt_sbit_decoder_load_bitmap): Pass load flag.
Handle new glyph formats 17, 18, and 19.
Call `tt_sbit_decoder_alloc_bitmap'.
Flatten color bitmaps if necessary.
(tt_face_load_sbit_image): Updated.
* src/sfnt/rules.mk (SFNT_DRV_SRC): Add `pngshim.c'.
* docs/CHANGES: Updated.
2013-05-29 11:36:18 +02:00
|
|
|
/*************************************************************************/
|
|
|
|
|
/* */
|
2014-10-25 05:20:08 +02:00
|
|
|
/* PNG bitmap support. */
|
Add support for color embedded bitmaps (eg. color emoji).
A new load flag, FT_LOAD_COLOR, makes FreeType load color
embedded-bitmaps, following this draft specification
https://color-emoji.googlecode.com/git/specification/v1.html
which defines two new SFNT tables, `CBDT' and `CBLC' (named and
modeled after `EBDT' and `EBLC', respectively). The color bitmaps
are stored in the new FT_PIXEL_MODE_BGRA format to represent BGRA
pre-multiplied sRGB images. If PNG support is available, PNG color
images as defined in the same proposed specification are supported
also.
Note that color bitmaps are converted to grayscale if client didn't
ask for color.
* builds/unix/configure.raw: Search for libpng.
Add `--without-png' option.
* devel/ftoption.h, include/freetype/config/ftoption.h
(FT_CONFIG_OPTION_USE_PNG): New macro.
* include/freetype/freetype.h (FT_LOAD_COLOR): New load flag.
* include/freetype/ftimage.h (FT_Pixel_Mode): Add
`FT_PIXEL_MODE_BGRA'.
* include/freetype/tttags.h (TTAG_CBDT, TTAG_CBLC): New tags.
* src/base/ftbitmap.c (FT_Bitmap_Embolden): Updated.
(ft_gray_for_premultiplied_srgb_bgra): New function.
(FT_Bitmap_Convert): Handle FT_PIXEL_MODE_BGRA.
* src/sfnt/pngshim.c, src/sfnt/pngshim.h: New files.
* src/sfnt/sfnt.c: Include `pngshim.c'.
* src/sfnt/ttsbit.c: Include FT_BITMAP_H and `pngshim.h'
(tt_face_load_eblc): Load `CBLC'.
(tt_sbit_decoder_init): Load `CBDT'.
(tt_sbit_decoder_alloc_bitmap): Pass load flags to select between
color and grayscale bitmaps.
Set `num_grays'. This is used by `ftview' to choose the blending
algorithm.
(tt_sbit_decoder_load_byte_aligned,
tt_sbit_decoder_load_bit_aligned, tt_sbit_decoder_load_compound,
tt_sbit_decoder_load_image): Pass load flag.
s/write/pwrite/.
Don't call `tt_sbit_decoder_alloc_bitmap'.
Updated.
(tt_sbit_decoder_load_png) [FT_CONFIG_OPTION_USE_PNG]: New function.
(tt_sbit_decoder_load_bitmap): Pass load flag.
Handle new glyph formats 17, 18, and 19.
Call `tt_sbit_decoder_alloc_bitmap'.
Flatten color bitmaps if necessary.
(tt_face_load_sbit_image): Updated.
* src/sfnt/rules.mk (SFNT_DRV_SRC): Add `pngshim.c'.
* docs/CHANGES: Updated.
2013-05-29 11:36:18 +02:00
|
|
|
/* */
|
|
|
|
|
/* FreeType now handles loading color bitmap glyphs in the PNG format. */
|
|
|
|
|
/* This requires help from the external libpng library. Uncompressed */
|
|
|
|
|
/* color bitmaps do not need any external libraries and will be */
|
|
|
|
|
/* supported regardless of this configuration. */
|
|
|
|
|
/* */
|
|
|
|
|
/* Define this macro if you want to enable this `feature'. */
|
|
|
|
|
/* */
|
|
|
|
|
/* #define FT_CONFIG_OPTION_USE_PNG */
|
|
|
|
|
|
|
|
|
|
|
2013-12-21 21:31:38 +01:00
|
|
|
/*************************************************************************/
|
|
|
|
|
/* */
|
2014-10-25 05:20:08 +02:00
|
|
|
/* HarfBuzz support. */
|
2013-12-21 21:31:38 +01:00
|
|
|
/* */
|
|
|
|
|
/* FreeType uses the HarfBuzz library to improve auto-hinting of */
|
|
|
|
|
/* OpenType fonts. If available, many glyphs not directly addressable */
|
|
|
|
|
/* by a font's character map will be hinted also. */
|
|
|
|
|
/* */
|
|
|
|
|
/* Define this macro if you want to enable this `feature'. */
|
|
|
|
|
/* */
|
|
|
|
|
/* #define FT_CONFIG_OPTION_USE_HARFBUZZ */
|
|
|
|
|
|
|
|
|
|
|
Complete redesign of error codes. Please check ftmoderr.h for more
details.
* include/freetype/internal/cfferrs.h,
include/freetype/internal/tterrors.h,
include/freetype/internal/t1errors.h: Removed. Replaced with files
local to the module. All extra error codes have been moved to
`fterrors.h'.
* src/sfnt/ttpost.h: Move error codes to `fterrors.h'.
* src/autohint/aherrors.h, src/cache/ftcerror.h, src/cff/cfferrs.h,
src/cid/ciderrs.h, src/pcf/pcferror.h, src/psaux/psauxerr.h,
src/psnames/psnamerr.h, src/raster/rasterrs.h, src/sfnt/sferrors.h,
src/smooth/ftsmerrs.h, src/truetype/tterrors.h,
src/type1/t1errors.h, src/winfonts/fnterrs.h: New files defining the
error names for the module it belongs to.
* include/freetype/ftmoderr.h: New file, defining the module error
offsets. Its structure is similar to `fterrors.h'.
* include/freetype/fterrors.h (FT_NOERRORDEF): New macro.
(FT_ERRORDEF): Redefined to use module error offsets.
All internal error codes are now public; unused error codes have
been removed, some are new.
* include/freetype/config/ftheader.h (FT_MODULE_ERRORS_H): New
macro.
* include/freetype/config/ftoption.h
(FT_CONFIG_OPTION_USE_MODULE_ERRORS): New macro.
All other source files have been updated to use the new error codes;
some already existing (internal) error codes local to a module have
been renamed to give them the same name as in the base module.
All make files have been updated to include the local error files.
* src/cid/cidtokens.h: Replaced with...
* src/cid/cidtoken.h: This file for 8+3 consistency.
* src/raster/ftraster.c: Use macros for header file names.
2001-06-06 19:30:41 +02:00
|
|
|
/*************************************************************************/
|
|
|
|
|
/* */
|
2002-10-31 23:19:27 +01:00
|
|
|
/* DLL export compilation */
|
Complete redesign of error codes. Please check ftmoderr.h for more
details.
* include/freetype/internal/cfferrs.h,
include/freetype/internal/tterrors.h,
include/freetype/internal/t1errors.h: Removed. Replaced with files
local to the module. All extra error codes have been moved to
`fterrors.h'.
* src/sfnt/ttpost.h: Move error codes to `fterrors.h'.
* src/autohint/aherrors.h, src/cache/ftcerror.h, src/cff/cfferrs.h,
src/cid/ciderrs.h, src/pcf/pcferror.h, src/psaux/psauxerr.h,
src/psnames/psnamerr.h, src/raster/rasterrs.h, src/sfnt/sferrors.h,
src/smooth/ftsmerrs.h, src/truetype/tterrors.h,
src/type1/t1errors.h, src/winfonts/fnterrs.h: New files defining the
error names for the module it belongs to.
* include/freetype/ftmoderr.h: New file, defining the module error
offsets. Its structure is similar to `fterrors.h'.
* include/freetype/fterrors.h (FT_NOERRORDEF): New macro.
(FT_ERRORDEF): Redefined to use module error offsets.
All internal error codes are now public; unused error codes have
been removed, some are new.
* include/freetype/config/ftheader.h (FT_MODULE_ERRORS_H): New
macro.
* include/freetype/config/ftoption.h
(FT_CONFIG_OPTION_USE_MODULE_ERRORS): New macro.
All other source files have been updated to use the new error codes;
some already existing (internal) error codes local to a module have
been renamed to give them the same name as in the base module.
All make files have been updated to include the local error files.
* src/cid/cidtokens.h: Replaced with...
* src/cid/cidtoken.h: This file for 8+3 consistency.
* src/raster/ftraster.c: Use macros for header file names.
2001-06-06 19:30:41 +02:00
|
|
|
/* */
|
2002-10-31 23:19:27 +01:00
|
|
|
/* When compiling FreeType as a DLL, some systems/compilers need a */
|
|
|
|
|
/* special keyword in front OR after the return type of function */
|
|
|
|
|
/* declarations. */
|
Complete redesign of error codes. Please check ftmoderr.h for more
details.
* include/freetype/internal/cfferrs.h,
include/freetype/internal/tterrors.h,
include/freetype/internal/t1errors.h: Removed. Replaced with files
local to the module. All extra error codes have been moved to
`fterrors.h'.
* src/sfnt/ttpost.h: Move error codes to `fterrors.h'.
* src/autohint/aherrors.h, src/cache/ftcerror.h, src/cff/cfferrs.h,
src/cid/ciderrs.h, src/pcf/pcferror.h, src/psaux/psauxerr.h,
src/psnames/psnamerr.h, src/raster/rasterrs.h, src/sfnt/sferrors.h,
src/smooth/ftsmerrs.h, src/truetype/tterrors.h,
src/type1/t1errors.h, src/winfonts/fnterrs.h: New files defining the
error names for the module it belongs to.
* include/freetype/ftmoderr.h: New file, defining the module error
offsets. Its structure is similar to `fterrors.h'.
* include/freetype/fterrors.h (FT_NOERRORDEF): New macro.
(FT_ERRORDEF): Redefined to use module error offsets.
All internal error codes are now public; unused error codes have
been removed, some are new.
* include/freetype/config/ftheader.h (FT_MODULE_ERRORS_H): New
macro.
* include/freetype/config/ftoption.h
(FT_CONFIG_OPTION_USE_MODULE_ERRORS): New macro.
All other source files have been updated to use the new error codes;
some already existing (internal) error codes local to a module have
been renamed to give them the same name as in the base module.
All make files have been updated to include the local error files.
* src/cid/cidtokens.h: Replaced with...
* src/cid/cidtoken.h: This file for 8+3 consistency.
* src/raster/ftraster.c: Use macros for header file names.
2001-06-06 19:30:41 +02:00
|
|
|
/* */
|
2002-10-31 23:19:27 +01:00
|
|
|
/* Two macros are used within the FreeType source code to define */
|
|
|
|
|
/* exported library functions: FT_EXPORT and FT_EXPORT_DEF. */
|
Complete redesign of error codes. Please check ftmoderr.h for more
details.
* include/freetype/internal/cfferrs.h,
include/freetype/internal/tterrors.h,
include/freetype/internal/t1errors.h: Removed. Replaced with files
local to the module. All extra error codes have been moved to
`fterrors.h'.
* src/sfnt/ttpost.h: Move error codes to `fterrors.h'.
* src/autohint/aherrors.h, src/cache/ftcerror.h, src/cff/cfferrs.h,
src/cid/ciderrs.h, src/pcf/pcferror.h, src/psaux/psauxerr.h,
src/psnames/psnamerr.h, src/raster/rasterrs.h, src/sfnt/sferrors.h,
src/smooth/ftsmerrs.h, src/truetype/tterrors.h,
src/type1/t1errors.h, src/winfonts/fnterrs.h: New files defining the
error names for the module it belongs to.
* include/freetype/ftmoderr.h: New file, defining the module error
offsets. Its structure is similar to `fterrors.h'.
* include/freetype/fterrors.h (FT_NOERRORDEF): New macro.
(FT_ERRORDEF): Redefined to use module error offsets.
All internal error codes are now public; unused error codes have
been removed, some are new.
* include/freetype/config/ftheader.h (FT_MODULE_ERRORS_H): New
macro.
* include/freetype/config/ftoption.h
(FT_CONFIG_OPTION_USE_MODULE_ERRORS): New macro.
All other source files have been updated to use the new error codes;
some already existing (internal) error codes local to a module have
been renamed to give them the same name as in the base module.
All make files have been updated to include the local error files.
* src/cid/cidtokens.h: Replaced with...
* src/cid/cidtoken.h: This file for 8+3 consistency.
* src/raster/ftraster.c: Use macros for header file names.
2001-06-06 19:30:41 +02:00
|
|
|
/* */
|
2002-10-31 23:19:27 +01:00
|
|
|
/* FT_EXPORT( return_type ) */
|
Complete redesign of error codes. Please check ftmoderr.h for more
details.
* include/freetype/internal/cfferrs.h,
include/freetype/internal/tterrors.h,
include/freetype/internal/t1errors.h: Removed. Replaced with files
local to the module. All extra error codes have been moved to
`fterrors.h'.
* src/sfnt/ttpost.h: Move error codes to `fterrors.h'.
* src/autohint/aherrors.h, src/cache/ftcerror.h, src/cff/cfferrs.h,
src/cid/ciderrs.h, src/pcf/pcferror.h, src/psaux/psauxerr.h,
src/psnames/psnamerr.h, src/raster/rasterrs.h, src/sfnt/sferrors.h,
src/smooth/ftsmerrs.h, src/truetype/tterrors.h,
src/type1/t1errors.h, src/winfonts/fnterrs.h: New files defining the
error names for the module it belongs to.
* include/freetype/ftmoderr.h: New file, defining the module error
offsets. Its structure is similar to `fterrors.h'.
* include/freetype/fterrors.h (FT_NOERRORDEF): New macro.
(FT_ERRORDEF): Redefined to use module error offsets.
All internal error codes are now public; unused error codes have
been removed, some are new.
* include/freetype/config/ftheader.h (FT_MODULE_ERRORS_H): New
macro.
* include/freetype/config/ftoption.h
(FT_CONFIG_OPTION_USE_MODULE_ERRORS): New macro.
All other source files have been updated to use the new error codes;
some already existing (internal) error codes local to a module have
been renamed to give them the same name as in the base module.
All make files have been updated to include the local error files.
* src/cid/cidtokens.h: Replaced with...
* src/cid/cidtoken.h: This file for 8+3 consistency.
* src/raster/ftraster.c: Use macros for header file names.
2001-06-06 19:30:41 +02:00
|
|
|
/* */
|
2002-10-31 23:19:27 +01:00
|
|
|
/* is used in a function declaration, as in */
|
1999-12-17 00:11:37 +01:00
|
|
|
/* */
|
2002-10-31 23:19:27 +01:00
|
|
|
/* FT_EXPORT( FT_Error ) */
|
|
|
|
|
/* FT_Init_FreeType( FT_Library* alibrary ); */
|
1999-12-17 00:11:37 +01:00
|
|
|
/* */
|
|
|
|
|
/* */
|
2002-10-31 23:19:27 +01:00
|
|
|
/* FT_EXPORT_DEF( return_type ) */
|
|
|
|
|
/* */
|
|
|
|
|
/* is used in a function definition, as in */
|
|
|
|
|
/* */
|
|
|
|
|
/* FT_EXPORT_DEF( FT_Error ) */
|
|
|
|
|
/* FT_Init_FreeType( FT_Library* alibrary ) */
|
|
|
|
|
/* { */
|
|
|
|
|
/* ... some code ... */
|
|
|
|
|
/* return FT_Err_Ok; */
|
|
|
|
|
/* } */
|
1999-12-17 00:11:37 +01:00
|
|
|
/* */
|
2002-10-31 23:19:27 +01:00
|
|
|
/* You can provide your own implementation of FT_EXPORT and */
|
|
|
|
|
/* FT_EXPORT_DEF here if you want. If you leave them undefined, they */
|
|
|
|
|
/* will be later automatically defined as `extern return_type' to */
|
|
|
|
|
/* allow normal compilation. */
|
2000-02-29 17:56:18 +01:00
|
|
|
/* */
|
2003-04-21 22:39:42 +02:00
|
|
|
/* Do not #undef these macros here since the build system might define */
|
|
|
|
|
/* them for certain configurations only. */
|
|
|
|
|
/* */
|
2008-09-12 18:27:48 +02:00
|
|
|
/* #define FT_EXPORT(x) extern x */
|
|
|
|
|
/* #define FT_EXPORT_DEF(x) x */
|
1999-12-17 00:11:37 +01:00
|
|
|
|
2000-02-29 17:56:18 +01:00
|
|
|
|
2000-02-28 12:32:17 +01:00
|
|
|
/*************************************************************************/
|
|
|
|
|
/* */
|
|
|
|
|
/* Glyph Postscript Names handling */
|
|
|
|
|
/* */
|
2008-09-15 09:49:40 +02:00
|
|
|
/* By default, FreeType 2 is compiled with the `psnames' module. This */
|
2001-12-22 15:38:40 +01:00
|
|
|
/* module is in charge of converting a glyph name string into a */
|
2000-07-19 18:17:55 +02:00
|
|
|
/* Unicode value, or return a Macintosh standard glyph name for the */
|
|
|
|
|
/* use with the TrueType `post' table. */
|
2000-02-28 12:32:17 +01:00
|
|
|
/* */
|
2008-09-15 09:49:40 +02:00
|
|
|
/* Undefine this macro if you do not want `psnames' compiled in your */
|
2000-07-19 18:17:55 +02:00
|
|
|
/* build of FreeType. This has the following effects: */
|
2000-02-28 12:32:17 +01:00
|
|
|
/* */
|
2000-07-19 18:17:55 +02:00
|
|
|
/* - The TrueType driver will provide its own set of glyph names, */
|
2000-02-28 12:32:17 +01:00
|
|
|
/* if you build it to support postscript names in the TrueType */
|
2000-07-19 18:17:55 +02:00
|
|
|
/* `post' table. */
|
2000-02-28 12:32:17 +01:00
|
|
|
/* */
|
2008-09-15 09:49:40 +02:00
|
|
|
/* - The Type 1 driver will not be able to synthesize a Unicode */
|
2000-07-19 18:17:55 +02:00
|
|
|
/* charmap out of the glyphs found in the fonts. */
|
2000-02-28 12:32:17 +01:00
|
|
|
/* */
|
2000-07-19 18:17:55 +02:00
|
|
|
/* You would normally undefine this configuration macro when building */
|
|
|
|
|
/* a version of FreeType that doesn't contain a Type 1 or CFF driver. */
|
2000-02-28 12:32:17 +01:00
|
|
|
/* */
|
|
|
|
|
#define FT_CONFIG_OPTION_POSTSCRIPT_NAMES
|
|
|
|
|
|
2000-02-29 17:56:18 +01:00
|
|
|
|
2000-02-28 12:32:17 +01:00
|
|
|
/*************************************************************************/
|
|
|
|
|
/* */
|
|
|
|
|
/* Postscript Names to Unicode Values support */
|
|
|
|
|
/* */
|
2000-07-19 18:17:55 +02:00
|
|
|
/* By default, FreeType 2 is built with the `PSNames' module compiled */
|
|
|
|
|
/* in. Among other things, the module is used to convert a glyph name */
|
|
|
|
|
/* into a Unicode value. This is especially useful in order to */
|
2008-10-01 23:16:44 +02:00
|
|
|
/* synthesize on the fly a Unicode charmap from the CFF/Type 1 driver */
|
2000-07-19 18:17:55 +02:00
|
|
|
/* through a big table named the `Adobe Glyph List' (AGL). */
|
2000-02-28 12:32:17 +01:00
|
|
|
/* */
|
|
|
|
|
/* Undefine this macro if you do not want the Adobe Glyph List */
|
2000-07-19 18:17:55 +02:00
|
|
|
/* compiled in your `PSNames' module. The Type 1 driver will not be */
|
2008-10-01 23:16:44 +02:00
|
|
|
/* able to synthesize a Unicode charmap out of the glyphs found in the */
|
2000-07-19 18:17:55 +02:00
|
|
|
/* fonts. */
|
2000-02-28 12:32:17 +01:00
|
|
|
/* */
|
|
|
|
|
#define FT_CONFIG_OPTION_ADOBE_GLYPH_LIST
|
|
|
|
|
|
2000-02-29 17:56:18 +01:00
|
|
|
|
2003-05-19 00:40:11 +02:00
|
|
|
/*************************************************************************/
|
|
|
|
|
/* */
|
|
|
|
|
/* Support for Mac fonts */
|
|
|
|
|
/* */
|
|
|
|
|
/* Define this macro if you want support for outline fonts in Mac */
|
|
|
|
|
/* format (mac dfont, mac resource, macbinary containing a mac */
|
|
|
|
|
/* resource) on non-Mac platforms. */
|
|
|
|
|
/* */
|
|
|
|
|
/* Note that the `FOND' resource isn't checked. */
|
|
|
|
|
/* */
|
|
|
|
|
#define FT_CONFIG_OPTION_MAC_FONTS
|
|
|
|
|
|
|
|
|
|
|
2004-02-25 13:58:54 +01:00
|
|
|
/*************************************************************************/
|
|
|
|
|
/* */
|
|
|
|
|
/* Guessing methods to access embedded resource forks */
|
|
|
|
|
/* */
|
|
|
|
|
/* Enable extra Mac fonts support on non-Mac platforms (e.g. */
|
|
|
|
|
/* GNU/Linux). */
|
|
|
|
|
/* */
|
|
|
|
|
/* Resource forks which include fonts data are stored sometimes in */
|
|
|
|
|
/* locations which users or developers don't expected. In some cases, */
|
|
|
|
|
/* resource forks start with some offset from the head of a file. In */
|
|
|
|
|
/* other cases, the actual resource fork is stored in file different */
|
|
|
|
|
/* from what the user specifies. If this option is activated, */
|
|
|
|
|
/* FreeType tries to guess whether such offsets or different file */
|
|
|
|
|
/* names must be used. */
|
|
|
|
|
/* */
|
|
|
|
|
/* Note that normal, direct access of resource forks is controlled via */
|
|
|
|
|
/* the FT_CONFIG_OPTION_MAC_FONTS option. */
|
|
|
|
|
/* */
|
|
|
|
|
#ifdef FT_CONFIG_OPTION_MAC_FONTS
|
|
|
|
|
#define FT_CONFIG_OPTION_GUESSING_EMBEDDED_RFORK
|
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
|
2002-07-18 17:02:08 +02:00
|
|
|
/*************************************************************************/
|
|
|
|
|
/* */
|
|
|
|
|
/* Allow the use of FT_Incremental_Interface to load typefaces that */
|
|
|
|
|
/* contain no glyph data, but supply it via a callback function. */
|
2010-01-05 19:41:22 +01:00
|
|
|
/* This is required by clients supporting document formats which */
|
|
|
|
|
/* supply font data incrementally as the document is parsed, such */
|
2010-01-27 10:04:50 +01:00
|
|
|
/* as the Ghostscript interpreter for the PostScript language. */
|
2002-07-18 17:02:08 +02:00
|
|
|
/* */
|
2010-01-05 19:36:58 +01:00
|
|
|
#define FT_CONFIG_OPTION_INCREMENTAL
|
2002-07-18 17:02:08 +02:00
|
|
|
|
|
|
|
|
|
1999-12-17 00:11:37 +01:00
|
|
|
/*************************************************************************/
|
|
|
|
|
/* */
|
2002-10-31 23:19:27 +01:00
|
|
|
/* The size in bytes of the render pool used by the scan-line converter */
|
|
|
|
|
/* to do all of its work. */
|
1999-12-17 00:11:37 +01:00
|
|
|
/* */
|
2007-05-13 18:01:55 +02:00
|
|
|
/* This must be greater than 4KByte if you use FreeType to rasterize */
|
|
|
|
|
/* glyphs; otherwise, you may set it to zero to avoid unnecessary */
|
|
|
|
|
/* allocation of the render pool. */
|
1999-12-17 00:11:37 +01:00
|
|
|
/* */
|
2002-10-31 23:19:27 +01:00
|
|
|
#define FT_RENDER_POOL_SIZE 16384L
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
/*************************************************************************/
|
2000-05-17 00:37:30 +02:00
|
|
|
/* */
|
2002-10-31 23:19:27 +01:00
|
|
|
/* FT_MAX_MODULES */
|
2000-05-17 00:37:30 +02:00
|
|
|
/* */
|
2002-10-31 23:19:27 +01:00
|
|
|
/* The maximum number of modules that can be registered in a single */
|
|
|
|
|
/* FreeType library object. 32 is the default. */
|
1999-12-17 00:11:37 +01:00
|
|
|
/* */
|
2002-10-31 23:19:27 +01:00
|
|
|
#define FT_MAX_MODULES 32
|
|
|
|
|
|
1999-12-17 00:11:37 +01:00
|
|
|
|
|
|
|
|
/*************************************************************************/
|
|
|
|
|
/* */
|
|
|
|
|
/* Debug level */
|
|
|
|
|
/* */
|
|
|
|
|
/* FreeType can be compiled in debug or trace mode. In debug mode, */
|
|
|
|
|
/* errors are reported through the `ftdebug' component. In trace */
|
|
|
|
|
/* mode, additional messages are sent to the standard output during */
|
|
|
|
|
/* execution. */
|
|
|
|
|
/* */
|
|
|
|
|
/* Define FT_DEBUG_LEVEL_ERROR to build the library in debug mode. */
|
|
|
|
|
/* Define FT_DEBUG_LEVEL_TRACE to build it in trace mode. */
|
|
|
|
|
/* */
|
2000-07-19 18:17:55 +02:00
|
|
|
/* Don't define any of these macros to compile in `release' mode! */
|
1999-12-17 00:11:37 +01:00
|
|
|
/* */
|
2003-04-21 22:39:42 +02:00
|
|
|
/* Do not #undef these macros here since the build system might define */
|
|
|
|
|
/* them for certain configurations only. */
|
|
|
|
|
/* */
|
2003-12-20 08:43:45 +01:00
|
|
|
/* #define FT_DEBUG_LEVEL_ERROR */
|
2004-07-17 18:45:21 +02:00
|
|
|
/* #define FT_DEBUG_LEVEL_TRACE */
|
2001-12-05 02:22:05 +01:00
|
|
|
|
1999-12-17 00:11:37 +01:00
|
|
|
|
2011-04-18 19:05:28 +02:00
|
|
|
/*************************************************************************/
|
|
|
|
|
/* */
|
|
|
|
|
/* Autofitter debugging */
|
|
|
|
|
/* */
|
|
|
|
|
/* If FT_DEBUG_AUTOFIT is defined, FreeType provides some means to */
|
|
|
|
|
/* control the autofitter behaviour for debugging purposes with global */
|
|
|
|
|
/* boolean variables (consequently, you should *never* enable this */
|
|
|
|
|
/* while compiling in `release' mode): */
|
|
|
|
|
/* */
|
|
|
|
|
/* _af_debug_disable_horz_hints */
|
|
|
|
|
/* _af_debug_disable_vert_hints */
|
|
|
|
|
/* _af_debug_disable_blue_hints */
|
|
|
|
|
/* */
|
|
|
|
|
/* Additionally, the following functions provide dumps of various */
|
|
|
|
|
/* internal autofit structures to stdout (using `printf'): */
|
|
|
|
|
/* */
|
|
|
|
|
/* af_glyph_hints_dump_points */
|
|
|
|
|
/* af_glyph_hints_dump_segments */
|
|
|
|
|
/* af_glyph_hints_dump_edges */
|
|
|
|
|
/* */
|
|
|
|
|
/* As an argument, they use another global variable: */
|
|
|
|
|
/* */
|
|
|
|
|
/* _af_debug_hints */
|
|
|
|
|
/* */
|
|
|
|
|
/* Please have a look at the `ftgrid' demo program to see how those */
|
|
|
|
|
/* variables and macros should be used. */
|
|
|
|
|
/* */
|
|
|
|
|
/* Do not #undef these macros here since the build system might define */
|
|
|
|
|
/* them for certain configurations only. */
|
|
|
|
|
/* */
|
|
|
|
|
/* #define FT_DEBUG_AUTOFIT */
|
|
|
|
|
|
|
|
|
|
|
2001-10-22 10:32:21 +02:00
|
|
|
/*************************************************************************/
|
|
|
|
|
/* */
|
|
|
|
|
/* Memory Debugging */
|
|
|
|
|
/* */
|
|
|
|
|
/* FreeType now comes with an integrated memory debugger that is */
|
|
|
|
|
/* capable of detecting simple errors like memory leaks or double */
|
2001-12-05 02:22:05 +01:00
|
|
|
/* deletes. To compile it within your build of the library, you */
|
|
|
|
|
/* should define FT_DEBUG_MEMORY here. */
|
2001-10-22 10:32:21 +02:00
|
|
|
/* */
|
2001-12-05 02:22:05 +01:00
|
|
|
/* Note that the memory debugger is only activated at runtime when */
|
2006-03-24 13:46:49 +01:00
|
|
|
/* when the _environment_ variable `FT2_DEBUG_MEMORY' is defined also! */
|
2001-10-22 10:32:21 +02:00
|
|
|
/* */
|
2003-04-21 22:39:42 +02:00
|
|
|
/* Do not #undef this macro here since the build system might define */
|
|
|
|
|
/* it for certain configurations only. */
|
|
|
|
|
/* */
|
2003-12-20 08:43:45 +01:00
|
|
|
/* #define FT_DEBUG_MEMORY */
|
2001-04-21 20:34:30 +02:00
|
|
|
|
2002-10-31 23:19:27 +01:00
|
|
|
|
1999-12-17 00:11:37 +01:00
|
|
|
/*************************************************************************/
|
|
|
|
|
/* */
|
2002-10-31 23:19:27 +01:00
|
|
|
/* Module errors */
|
1999-12-17 00:11:37 +01:00
|
|
|
/* */
|
2002-10-31 23:19:27 +01:00
|
|
|
/* If this macro is set (which is _not_ the default), the higher byte */
|
|
|
|
|
/* of an error code gives the module in which the error has occurred, */
|
|
|
|
|
/* while the lower byte is the real error code. */
|
1999-12-17 00:11:37 +01:00
|
|
|
/* */
|
2002-10-31 23:19:27 +01:00
|
|
|
/* Setting this macro makes sense for debugging purposes only, since */
|
|
|
|
|
/* it would break source compatibility of certain programs that use */
|
|
|
|
|
/* FreeType 2. */
|
1999-12-17 00:11:37 +01:00
|
|
|
/* */
|
2002-10-31 23:19:27 +01:00
|
|
|
/* More details can be found in the files ftmoderr.h and fterrors.h. */
|
1999-12-17 00:11:37 +01:00
|
|
|
/* */
|
2002-10-31 23:19:27 +01:00
|
|
|
#undef FT_CONFIG_OPTION_USE_MODULE_ERRORS
|
|
|
|
|
|
1999-12-17 00:11:37 +01:00
|
|
|
|
2009-04-05 16:59:26 +02:00
|
|
|
/*************************************************************************/
|
|
|
|
|
/* */
|
|
|
|
|
/* Position Independent Code */
|
|
|
|
|
/* */
|
|
|
|
|
/* If this macro is set (which is _not_ the default), FreeType2 will */
|
2010-02-09 15:43:24 +01:00
|
|
|
/* avoid creating constants that require address fixups. Instead the */
|
2009-04-05 16:59:26 +02:00
|
|
|
/* constants will be moved into a struct and additional intialization */
|
|
|
|
|
/* code will be used. */
|
|
|
|
|
/* */
|
|
|
|
|
/* Setting this macro is needed for systems that prohibit address */
|
|
|
|
|
/* fixups, such as BREW. */
|
|
|
|
|
/* */
|
|
|
|
|
/* #define FT_CONFIG_OPTION_PIC */
|
|
|
|
|
|
1999-12-17 00:11:37 +01:00
|
|
|
|
2000-03-13 13:12:46 +01:00
|
|
|
/*************************************************************************/
|
|
|
|
|
/*************************************************************************/
|
|
|
|
|
/**** ****/
|
|
|
|
|
/**** S F N T D R I V E R C O N F I G U R A T I O N ****/
|
|
|
|
|
/**** ****/
|
|
|
|
|
/*************************************************************************/
|
|
|
|
|
/*************************************************************************/
|
|
|
|
|
|
2000-07-19 18:17:55 +02:00
|
|
|
|
2000-03-13 13:12:46 +01:00
|
|
|
/*************************************************************************/
|
|
|
|
|
/* */
|
|
|
|
|
/* Define TT_CONFIG_OPTION_EMBEDDED_BITMAPS if you want to support */
|
|
|
|
|
/* embedded bitmaps in all formats using the SFNT module (namely */
|
|
|
|
|
/* TrueType & OpenType). */
|
|
|
|
|
/* */
|
2000-07-19 18:17:55 +02:00
|
|
|
#define TT_CONFIG_OPTION_EMBEDDED_BITMAPS
|
2000-03-13 13:12:46 +01:00
|
|
|
|
|
|
|
|
|
|
|
|
|
/*************************************************************************/
|
|
|
|
|
/* */
|
|
|
|
|
/* Define TT_CONFIG_OPTION_POSTSCRIPT_NAMES if you want to be able to */
|
|
|
|
|
/* load and enumerate the glyph Postscript names in a TrueType or */
|
|
|
|
|
/* OpenType file. */
|
|
|
|
|
/* */
|
2000-07-19 18:17:55 +02:00
|
|
|
/* Note that when you do not compile the `PSNames' module by undefining */
|
|
|
|
|
/* the above FT_CONFIG_OPTION_POSTSCRIPT_NAMES, the `sfnt' module will */
|
2000-03-13 13:12:46 +01:00
|
|
|
/* contain additional code used to read the PS Names table from a font. */
|
|
|
|
|
/* */
|
2000-07-19 18:17:55 +02:00
|
|
|
/* (By default, the module uses `PSNames' to extract glyph names.) */
|
2000-03-13 13:12:46 +01:00
|
|
|
/* */
|
2000-07-19 18:17:55 +02:00
|
|
|
#define TT_CONFIG_OPTION_POSTSCRIPT_NAMES
|
2000-03-13 13:12:46 +01:00
|
|
|
|
|
|
|
|
|
2000-07-19 19:13:03 +02:00
|
|
|
/*************************************************************************/
|
|
|
|
|
/* */
|
|
|
|
|
/* Define TT_CONFIG_OPTION_SFNT_NAMES if your applications need to */
|
|
|
|
|
/* access the internal name table in a SFNT-based format like TrueType */
|
2000-07-20 08:57:41 +02:00
|
|
|
/* or OpenType. The name table contains various strings used to */
|
|
|
|
|
/* describe the font, like family name, copyright, version, etc. It */
|
|
|
|
|
/* does not contain any glyph name though. */
|
2000-07-19 19:13:03 +02:00
|
|
|
/* */
|
2000-07-20 08:57:41 +02:00
|
|
|
/* Accessing SFNT names is done through the functions declared in */
|
2013-11-13 08:55:46 +01:00
|
|
|
/* `ftsnames.h'. */
|
2000-07-19 19:13:03 +02:00
|
|
|
/* */
|
2000-07-20 08:57:41 +02:00
|
|
|
#define TT_CONFIG_OPTION_SFNT_NAMES
|
|
|
|
|
|
2000-07-19 19:13:03 +02:00
|
|
|
|
2002-03-29 08:43:04 +01:00
|
|
|
/*************************************************************************/
|
|
|
|
|
/* */
|
|
|
|
|
/* TrueType CMap support */
|
|
|
|
|
/* */
|
|
|
|
|
/* Here you can fine-tune which TrueType CMap table format shall be */
|
|
|
|
|
/* supported. */
|
|
|
|
|
#define TT_CONFIG_CMAP_FORMAT_0
|
|
|
|
|
#define TT_CONFIG_CMAP_FORMAT_2
|
|
|
|
|
#define TT_CONFIG_CMAP_FORMAT_4
|
|
|
|
|
#define TT_CONFIG_CMAP_FORMAT_6
|
|
|
|
|
#define TT_CONFIG_CMAP_FORMAT_8
|
|
|
|
|
#define TT_CONFIG_CMAP_FORMAT_10
|
|
|
|
|
#define TT_CONFIG_CMAP_FORMAT_12
|
2009-04-04 07:42:38 +02:00
|
|
|
#define TT_CONFIG_CMAP_FORMAT_13
|
Add support for cmap type 14.
* devel/ftoption.h, include/freetype/config/ftoption.h
(TT_CONFIG_CMAP_FORMAT_14): New macro.
* include/freetype/internal/ftobjs.h (FT_CMap_CharVarIndexFunc,
FT_CMap_CharVarIsDefaultFunc, FT_CMap_VariantListFunc,
FT_CMap_CharVariantListFunc, FT_CMap_VariantCharListFunc): New
support function prototypes.
(FT_CMap_ClassRec): Add them.
Update all users.
* include/freetype/ttnameid.h (TT_APPLE_ID_VARIANT_SELECTOR): New
macro.
* include/freetype/freetype.h (FT_Get_Char_Variant_Index,
FT_Get_Char_Variant_IsDefault, FT_Get_Variant_Selectors,
FT_Get_Variants_Of_Char, FT_Get_Chars_Of_Variant): New API
functions.
* src/base/ftobjs.c (find_variant_selector_charmap): New auxiliary
function.
(FT_Set_Charmap): Disallow cmaps of type 14.
(FT_Get_Char_Variant_Index, FT_Get_Char_Variant_IsDefault,
FT_Get_Variant_Selectors, FT_Get_Variants_Of_Char,
FT_Get_Chars_Of_Variant): New API functions.
* src/sfnt/ttcmap.c (TT_PEEK_UINT24, TT_NEXT_UINT24): New macros.
(TT_CMap14Rec, tt_cmap14_init, tt_cmap14_validate,
tt_cmap14_char_index, tt_cmap14_char_next, tt_cmap14_get_info,
tt_cmap14_char_map_def_binary, tt_cmap14_char_map_nondef_binary,
tt_cmap14_find_variant, tt_cmap14_char_var_index,
tt_cmap14_char_var_isdefault, tt_cmap14_variants,
tt_cmap14_char_variants, tt_cmap14_def_char_count,
tt_cmap14_get_def_chars, tt_cmap14_get_nondef_chars,
tt_cmap14_variant_chars, tt_cmap14_class_rec): New functions and
structures for cmap 14 support.
(tt_cmap_classes): Register tt_cmap14_class_rec.
(tt_face_build_cmaps): One more error message.
* docs/CHANGES: Mention cmap 14 support.
2007-10-15 19:21:32 +02:00
|
|
|
#define TT_CONFIG_CMAP_FORMAT_14
|
2002-03-29 08:43:04 +01:00
|
|
|
|
|
|
|
|
|
2000-03-13 13:12:46 +01:00
|
|
|
/*************************************************************************/
|
|
|
|
|
/*************************************************************************/
|
|
|
|
|
/**** ****/
|
|
|
|
|
/**** T R U E T Y P E D R I V E R C O N F I G U R A T I O N ****/
|
|
|
|
|
/**** ****/
|
|
|
|
|
/*************************************************************************/
|
|
|
|
|
/*************************************************************************/
|
|
|
|
|
|
|
|
|
|
/*************************************************************************/
|
|
|
|
|
/* */
|
|
|
|
|
/* Define TT_CONFIG_OPTION_BYTECODE_INTERPRETER if you want to compile */
|
2010-07-04 07:37:56 +02:00
|
|
|
/* a bytecode interpreter in the TrueType driver. */
|
2000-03-13 13:12:46 +01:00
|
|
|
/* */
|
2000-07-19 18:17:55 +02:00
|
|
|
/* By undefining this, you will only compile the code necessary to load */
|
|
|
|
|
/* TrueType glyphs without hinting. */
|
2000-03-13 13:12:46 +01:00
|
|
|
/* */
|
2003-04-21 22:39:42 +02:00
|
|
|
/* Do not #undef this macro here, since the build system might */
|
|
|
|
|
/* define it for certain configurations only. */
|
2002-11-06 23:32:54 +01:00
|
|
|
/* */
|
2010-07-04 07:37:56 +02:00
|
|
|
#define TT_CONFIG_OPTION_BYTECODE_INTERPRETER
|
2000-07-19 18:17:55 +02:00
|
|
|
|
2000-03-13 13:12:46 +01:00
|
|
|
|
[truetype] Support subpixel hinting.
This is the large, famous `Infinality' patch to support ClearType
bytecode which has been available from
http://www.infinality.net/blog/ for some time, and which has been
refined over the last years. While still experimental, it is now
mature enough to be included directly into FreeType.
Most of the code is based on the ClearType whitepaper written by
Greg Hitchcock
http://www.microsoft.com/typography/cleartype/truetypecleartype.aspx
which gives a detailed overview of the necessary changes to the
Microsoft rasterizer so that older fonts are supported. However, a
lot of details are still missing, and this patches provides a
framework to easily handle rendering issues down to the glyph level
of certain fonts.
Note that ClearType support is not completely implemented! In
particular, full support for the options `compatible_widths',
`symmetrical_smoothing, and `bgr' (via the GETINFO bytecode
instruction) is missing.
* src/truetype/ttsubpix.c: New file, providing code to handle
`tweaks', this is, rules for certain glyphs in certain fonts
(including wildcards) which need a special treatment.
* src/truetype/ttsubpix.h: New file, holding the tweaking rules.
* include/freetype/config/ftoption.h, src/devel/ftoption.h
(TT_CONFIG_OPTION_SUBPIXEL_HINTING): New macro.
* include/freetype/internal/ftobjs.h (FT_PIX_FLOOR_GRID,
FT_PIX_ROUND_GRID, FT_PIX_CEIL_GRID): New macros.
* src/truetype/truetype.c [TT_USE_BYTECODE_INTERPRETER]: Include
`ttsubpix.c'.
* src/truetype/ttgload.c: Include `ttsubpix.h'.
[All changes below are guarded by TT_CONFIG_OPTION_SUBPIXEL_HINTING.]
(tt_get_metrics): Set tweak flags.
(TT_Hint_Glyph): Call `FT_Outline_EmboldenXY' if necessary.
(TT_Process_Simple_Glyph): Compensate emboldening if necessary.
(compute_glyph_metrics): Handle `compatible widths' option.
(tt_loader_init): Handle ClearType GETINFO information bits.
* src/truetype/rules.mk (TT_DRC_SRC): Updated.
* src/truetype/ttinterp.c: Include `ttsubpix.h'.
[Where necessary, changes below are guarded by
TT_CONFIG_OPTION_SUBPIXEL_HINTING.]
(Direct_Move, Direct_Move_X): Extended.
(Round_None, Round_To_Grid, Round_To_Half_Grid, Round_Down_To_Grid,
Round_Up_To_Grid, Round_To_Double_Grid, Round_Super, Round_Super_45,
SetSuperRound): Add parameter to handle the number of grid lines per
pixel.
(SET_SuperRound, ROUND_None, CUR_Func_round): Updated.
(DO_SROUND, DOS45ROUND, DO_ODD, DO_EVEN): Updated.
(DO_ROUND, DO_NROUND): Updated.
(DO_RS): Take care of `Typeman' bytecode patterns.
(Ins_FDEF): Add some debugging code. Commented out.
(Ins_ENDF): Restore state.
(Ins_CALL, Ins_LOOPCALL): Handle inline delta functions.
(Ins_MD): Handle `Vacuform' rounds.
(Move_Zp2_Point, Ins_SHPIX, Ins_MSIRP, Ins_MDAP, Ins_MIAP,
Ins_MDRP, Ins_MIRP): Handle tweaks.
(Ins_ALIGNRP): Add tweak guard.
(Ins_IUP, Ins_DELTAP): Handle tweaks.
(Ins_GETINFO): Handle new ClearType bits.
(TT_RunIns): Handle tweaks.
* src/truetype/ttinterp.h: Updated.
(SPH_TweakRule, SPH_ScaleRule): New structures for tweaks.
(TT_ExecContextRec): Add members for subpixel hinting support.
* src/truetype/ttobjs.h (TT_DefRecord): Add `inline_delta' member.
2012-06-18 10:36:06 +02:00
|
|
|
/*************************************************************************/
|
|
|
|
|
/* */
|
|
|
|
|
/* Define TT_CONFIG_OPTION_SUBPIXEL_HINTING if you want to compile */
|
|
|
|
|
/* EXPERIMENTAL subpixel hinting support into the TrueType driver. This */
|
|
|
|
|
/* replaces the native TrueType hinting mechanism when anything but */
|
|
|
|
|
/* FT_RENDER_MODE_MONO is requested. */
|
|
|
|
|
/* */
|
|
|
|
|
/* Enabling this causes the TrueType driver to ignore instructions under */
|
|
|
|
|
/* certain conditions. This is done in accordance with the guide here, */
|
|
|
|
|
/* with some minor differences: */
|
|
|
|
|
/* */
|
|
|
|
|
/* http://www.microsoft.com/typography/cleartype/truetypecleartype.aspx */
|
|
|
|
|
/* */
|
|
|
|
|
/* By undefining this, you only compile the code necessary to hint */
|
|
|
|
|
/* TrueType glyphs with native TT hinting. */
|
|
|
|
|
/* */
|
|
|
|
|
/* This option requires TT_CONFIG_OPTION_BYTECODE_INTERPRETER to be */
|
|
|
|
|
/* defined. */
|
|
|
|
|
/* */
|
|
|
|
|
/* #define TT_CONFIG_OPTION_SUBPIXEL_HINTING */
|
|
|
|
|
|
|
|
|
|
|
2003-04-25 13:34:18 +02:00
|
|
|
/*************************************************************************/
|
|
|
|
|
/* */
|
2007-06-11 06:55:58 +02:00
|
|
|
/* If you define TT_CONFIG_OPTION_UNPATENTED_HINTING, a special version */
|
|
|
|
|
/* of the TrueType bytecode interpreter is used that doesn't implement */
|
2010-07-04 07:37:56 +02:00
|
|
|
/* any of the patented opcodes and algorithms. The patents related to */
|
|
|
|
|
/* TrueType hinting have expired worldwide since May 2010; this option */
|
|
|
|
|
/* is now deprecated. */
|
|
|
|
|
/* */
|
|
|
|
|
/* Note that the TT_CONFIG_OPTION_UNPATENTED_HINTING macro is *ignored* */
|
|
|
|
|
/* if you define TT_CONFIG_OPTION_BYTECODE_INTERPRETER; in other words, */
|
|
|
|
|
/* either define TT_CONFIG_OPTION_BYTECODE_INTERPRETER or */
|
2007-06-11 06:55:58 +02:00
|
|
|
/* TT_CONFIG_OPTION_UNPATENTED_HINTING but not both at the same time. */
|
|
|
|
|
/* */
|
|
|
|
|
/* This macro is only useful for a small number of font files (mostly */
|
|
|
|
|
/* for Asian scripts) that require bytecode interpretation to properly */
|
|
|
|
|
/* load glyphs. For all other fonts, this produces unpleasant results, */
|
|
|
|
|
/* thus the unpatented interpreter is never used to load glyphs from */
|
|
|
|
|
/* TrueType fonts unless one of the following two options is used. */
|
|
|
|
|
/* */
|
|
|
|
|
/* - The unpatented interpreter is explicitly activated by the user */
|
|
|
|
|
/* through the FT_PARAM_TAG_UNPATENTED_HINTING parameter tag */
|
|
|
|
|
/* when opening the FT_Face. */
|
2007-06-10 22:51:04 +02:00
|
|
|
/* */
|
2007-06-11 06:55:58 +02:00
|
|
|
/* - FreeType detects that the FT_Face corresponds to one of the */
|
|
|
|
|
/* `trick' fonts (e.g., `Mingliu') it knows about. The font engine */
|
|
|
|
|
/* contains a hard-coded list of font names and other matching */
|
|
|
|
|
/* parameters (see function `tt_face_init' in file */
|
|
|
|
|
/* `src/truetype/ttobjs.c'). */
|
2007-06-10 22:51:04 +02:00
|
|
|
/* */
|
2007-06-11 06:55:58 +02:00
|
|
|
/* Here a sample code snippet for using FT_PARAM_TAG_UNPATENTED_HINTING. */
|
2007-06-10 22:51:04 +02:00
|
|
|
/* */
|
2007-06-11 06:55:58 +02:00
|
|
|
/* { */
|
|
|
|
|
/* FT_Parameter parameter; */
|
|
|
|
|
/* FT_Open_Args open_args; */
|
2007-06-10 22:51:04 +02:00
|
|
|
/* */
|
2007-06-11 06:55:58 +02:00
|
|
|
/* */
|
|
|
|
|
/* parameter.tag = FT_PARAM_TAG_UNPATENTED_HINTING; */
|
|
|
|
|
/* */
|
|
|
|
|
/* open_args.flags = FT_OPEN_PATHNAME | FT_OPEN_PARAMS; */
|
|
|
|
|
/* open_args.pathname = my_font_pathname; */
|
|
|
|
|
/* open_args.num_params = 1; */
|
|
|
|
|
/* open_args.params = ¶meter; */
|
|
|
|
|
/* */
|
|
|
|
|
/* error = FT_Open_Face( library, &open_args, index, &face ); */
|
|
|
|
|
/* ... */
|
|
|
|
|
/* } */
|
2003-04-25 13:34:18 +02:00
|
|
|
/* */
|
2010-07-04 07:37:56 +02:00
|
|
|
/* #define TT_CONFIG_OPTION_UNPATENTED_HINTING */
|
2003-04-25 13:34:18 +02:00
|
|
|
|
|
|
|
|
|
2000-03-13 13:12:46 +01:00
|
|
|
/*************************************************************************/
|
|
|
|
|
/* */
|
|
|
|
|
/* Define TT_CONFIG_OPTION_INTERPRETER_SWITCH to compile the TrueType */
|
2000-07-19 18:17:55 +02:00
|
|
|
/* bytecode interpreter with a huge switch statement, rather than a call */
|
|
|
|
|
/* table. This results in smaller and faster code for a number of */
|
2000-03-13 13:12:46 +01:00
|
|
|
/* architectures. */
|
|
|
|
|
/* */
|
|
|
|
|
/* Note however that on some compiler/processor combinations, undefining */
|
2000-07-19 18:17:55 +02:00
|
|
|
/* this macro will generate faster, though larger, code. */
|
2000-03-13 13:12:46 +01:00
|
|
|
/* */
|
|
|
|
|
#define TT_CONFIG_OPTION_INTERPRETER_SWITCH
|
|
|
|
|
|
|
|
|
|
|
2002-08-16 14:46:52 +02:00
|
|
|
/*************************************************************************/
|
|
|
|
|
/* */
|
|
|
|
|
/* Define TT_CONFIG_OPTION_COMPONENT_OFFSET_SCALED to compile the */
|
|
|
|
|
/* TrueType glyph loader to use Apple's definition of how to handle */
|
|
|
|
|
/* component offsets in composite glyphs. */
|
|
|
|
|
/* */
|
|
|
|
|
/* Apple and MS disagree on the default behavior of component offsets */
|
2006-05-12 06:00:44 +02:00
|
|
|
/* in composites. Apple says that they should be scaled by the scaling */
|
2002-08-16 14:46:52 +02:00
|
|
|
/* factors in the transformation matrix (roughly, it's more complex) */
|
|
|
|
|
/* while MS says they should not. OpenType defines two bits in the */
|
|
|
|
|
/* composite flags array which can be used to disambiguate, but old */
|
|
|
|
|
/* fonts will not have them. */
|
|
|
|
|
/* */
|
2011-06-14 08:32:13 +02:00
|
|
|
/* http://www.microsoft.com/typography/otspec/glyf.htm */
|
2002-08-16 14:46:52 +02:00
|
|
|
/* http://fonts.apple.com/TTRefMan/RM06/Chap6glyf.html */
|
|
|
|
|
/* */
|
|
|
|
|
#undef TT_CONFIG_OPTION_COMPONENT_OFFSET_SCALED
|
|
|
|
|
|
|
|
|
|
|
* src/pcf/pcfdrivr.c: Revert change from 2004-04-17.
* src/pcf/pcfutil.c: Use FT_LOCAL_DEF.
* src/pcf/pcfutil.h: Include FT_CONFIG_CONFIG_H.
Use FT_BEGIN_HEADER and FT_END_HEADER.
Use FT_LOCAL.
2004-04-24 George Williams <gww@silcom.com>
Add support for Apple's distortable font technology (in GX fonts).
* devel/ftoption.h, include/freetype/config/ftoption.h
(TT_CONFIG_OPTION_GX_VAR_SUPPORT): New macro.
* include/freetype/ftmm.h (FT_Var_Axis, FT_Var_Named_Style,
FT_MM_Var): New structures.
(FT_Get_MM_Var, FT_Set_Var_Design_Coordinates,
FT_Set_Var_Blend_Coordinates): New function declarations.
* include/freetype/internal/services/svmm.h (FT_Get_MM_Var_Func,
FT_Set_Var_Design_Func): New typedefs.
Update MultiMasters service.
* include/freetype/internal/tttypes.h
[TT_CONFIG_OPTION_GX_VAR_SUPPORT]: Include FT_MULTIPLE_MASTERS_H.
(GX_Blend) [TT_CONFIG_OPTION_GX_VAR_SUPPORT]: New typedef.
(TT_Face) [TT_CONFIG_OPTION_GX_VAR_SUPPORT]: New members `doblend'
and `blend'.
* include/freetype/tttags.h (TTAG_avar, TTAG_cvar, TTAG_gvar): New
macros.
* include/freetype/internal/fttrace.h: Add `ttgxvar'.
* src/base/ftmm.c (FT_Get_MM_Var, FT_Set_Var_Design_Coordinates,
FT_Set_Var_Blend_Coordinates): New functions.
* src/sfnt/sfobjs.c (sfnt_load_face)
[TT_CONFIG_OPTION_GX_VAR_SUPPORT]: Set FT_FACE_FLAG_MULTIPLE_MASTERS
flag for GX var fonts.
* src/truetype/ttgxvar.c, src/truetype/ttgxvar.h: New files.
* src/truetype/truetype.c [TT_CONFIG_OPTION_GX_VAR_SUPPORT]: Include
ttgxvar.c.
* src/truetype/ttdriver.c [TT_CONFIG_OPTION_GX_VAR_SUPPORT]: Include
FT_MULTIPLE_MASTERS_H, FT_SERVICE_MULTIPLE_MASTERS_H, and ttgxvar.h.
(tt_service_gx_multi_masters) [TT_CONFIG_OPTION_GX_VAR_SUPPORT]:
New service.
(tt_services) [TT_CONFIG_OPTION_GX_VAR_SUPPORT]: Updated.
* src/truetype/ttgload.c [TT_CONFIG_OPTION_GX_VAR_SUPPORT]: Include
ttgxvar.h.
(TT_Process_Simple_Glyph, load_truetype_glyph)
[TT_CONFIG_OPTION_GX_VAR_SUPPORT] :Support GX var fonts.
* src/truetype/ttobjs.c [TT_CONFIG_OPTION_GX_VAR_SUPPORT]: Include
ttgxvar.h.
(tt_done_face) [TT_CONFIG_OPTION_GX_VAR_SUPPORT]: Call
tt_done_blend.
* src/truetype/ttpload.c [TT_CONFIG_OPTION_GX_VAR_SUPPORT]: Include
ttgxvar.h.
(tt_face_load_cvt) [TT_CONFIG_OPTION_GX_VAR_SUPPORT]: Call
tt_face_vary_cvt.
* src/truetype/rules.mk (TT_DRV_SRC): Add ttgxvar.c.
* src/type1/t1driver.c (t1_service_multi_masters): Add T1_Get_MM_Var
and T1_Set_Var_Design.
* src/type1/t1load.c (FT_INT_TO_FIXED, FT_FIXED_TO_INT): New macros.
(T1_Get_MM_Var, T1_Set_Var_Design): New functions.
* src/type1/t1load.h (T1_Get_MM_Var, T1_Set_Var_Design): New
function declarations.
2004-04-25 22:15:11 +02:00
|
|
|
/*************************************************************************/
|
|
|
|
|
/* */
|
|
|
|
|
/* Define TT_CONFIG_OPTION_GX_VAR_SUPPORT if you want to include */
|
|
|
|
|
/* support for Apple's distortable font technology (fvar, gvar, cvar, */
|
|
|
|
|
/* and avar tables). This has many similarities to Type 1 Multiple */
|
|
|
|
|
/* Masters support. */
|
|
|
|
|
/* */
|
|
|
|
|
#define TT_CONFIG_OPTION_GX_VAR_SUPPORT
|
|
|
|
|
|
|
|
|
|
|
* include/freetype/config/ftoption.h,
include/freetype/config/ftstdlib.h,
include/freetype/internal/tttypes.h,
src/sfnt/Jamfile, src/sfnt/rules.mk, src/sfnt/sfdriver.c,
src/sfnt/ttbdf.h, src/sfnt/ttbdf.c, src/sfnt/sfobjs.c:
Added support for an embedded 'BDF ' table within SFNT-based
bitmap font files. This is used to store atoms & properties from
the original BDF fonts that were used to generate the font file.
the feature is controled by TT_CONFIG_OPTION_BDF within 'ftoption.h'
and is used to implement FT_Get_BDF_Property for these font files.
At the moment, this is still experimental, the BDF table format isn't
cast into stone yet.
2005-12-14 21:38:15 +01:00
|
|
|
/*************************************************************************/
|
|
|
|
|
/* */
|
2005-12-20 13:01:58 +01:00
|
|
|
/* Define TT_CONFIG_OPTION_BDF if you want to include support for */
|
|
|
|
|
/* an embedded `BDF ' table within SFNT-based bitmap formats. */
|
* include/freetype/config/ftoption.h,
include/freetype/config/ftstdlib.h,
include/freetype/internal/tttypes.h,
src/sfnt/Jamfile, src/sfnt/rules.mk, src/sfnt/sfdriver.c,
src/sfnt/ttbdf.h, src/sfnt/ttbdf.c, src/sfnt/sfobjs.c:
Added support for an embedded 'BDF ' table within SFNT-based
bitmap font files. This is used to store atoms & properties from
the original BDF fonts that were used to generate the font file.
the feature is controled by TT_CONFIG_OPTION_BDF within 'ftoption.h'
and is used to implement FT_Get_BDF_Property for these font files.
At the moment, this is still experimental, the BDF table format isn't
cast into stone yet.
2005-12-14 21:38:15 +01:00
|
|
|
/* */
|
|
|
|
|
#define TT_CONFIG_OPTION_BDF
|
|
|
|
|
|
2005-12-20 13:01:58 +01:00
|
|
|
|
2000-03-13 13:12:46 +01:00
|
|
|
/*************************************************************************/
|
|
|
|
|
/*************************************************************************/
|
|
|
|
|
/**** ****/
|
|
|
|
|
/**** T Y P E 1 D R I V E R C O N F I G U R A T I O N ****/
|
|
|
|
|
/**** ****/
|
|
|
|
|
/*************************************************************************/
|
|
|
|
|
/*************************************************************************/
|
|
|
|
|
|
2000-07-19 18:17:55 +02:00
|
|
|
|
|
|
|
|
/*************************************************************************/
|
|
|
|
|
/* */
|
2012-03-11 13:48:25 +01:00
|
|
|
/* T1_MAX_DICT_DEPTH is the maximum depth of nest dictionaries and */
|
2000-07-19 18:17:55 +02:00
|
|
|
/* arrays in the Type 1 stream (see t1load.c). A minimum of 4 is */
|
|
|
|
|
/* required. */
|
|
|
|
|
/* */
|
|
|
|
|
#define T1_MAX_DICT_DEPTH 5
|
|
|
|
|
|
2000-03-13 13:12:46 +01:00
|
|
|
|
2000-07-19 18:17:55 +02:00
|
|
|
/*************************************************************************/
|
|
|
|
|
/* */
|
|
|
|
|
/* T1_MAX_SUBRS_CALLS details the maximum number of nested sub-routine */
|
|
|
|
|
/* calls during glyph loading. */
|
|
|
|
|
/* */
|
2000-08-24 00:47:44 +02:00
|
|
|
#define T1_MAX_SUBRS_CALLS 16
|
2000-07-19 18:17:55 +02:00
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2000-07-20 08:57:41 +02:00
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2000-07-19 18:17:55 +02:00
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/*************************************************************************/
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/* */
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2000-08-23 19:32:42 +02:00
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/* T1_MAX_CHARSTRING_OPERANDS is the charstring stack's capacity. A */
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/* minimum of 16 is required. */
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2000-07-19 18:17:55 +02:00
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/* */
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2000-10-19 17:56:22 +02:00
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/* The Chinese font MingTiEG-Medium (CNS 11643 character set) needs 256. */
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/* */
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#define T1_MAX_CHARSTRINGS_OPERANDS 256
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2000-03-13 13:12:46 +01:00
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2000-08-23 19:32:42 +02:00
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2000-07-19 18:17:55 +02:00
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/*************************************************************************/
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/* */
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/* Define this configuration macro if you want to prevent the */
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/* compilation of `t1afm', which is in charge of reading Type 1 AFM */
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/* files into an existing face. Note that if set, the T1 driver will be */
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/* unable to produce kerning distances. */
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/* */
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#undef T1_CONFIG_OPTION_NO_AFM
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2000-07-20 08:57:41 +02:00
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2000-07-19 18:17:55 +02:00
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/*************************************************************************/
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/* */
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/* Define this configuration macro if you want to prevent the */
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/* compilation of the Multiple Masters font support in the Type 1 */
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/* driver. */
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/* */
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#undef T1_CONFIG_OPTION_NO_MM_SUPPORT
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* include/freetype/config/ftoption.h,
include/freetype/config/ftstdlib.h,
include/freetype/internal/tttypes.h,
src/sfnt/Jamfile, src/sfnt/rules.mk, src/sfnt/sfdriver.c,
src/sfnt/ttbdf.h, src/sfnt/ttbdf.c, src/sfnt/sfobjs.c:
Added support for an embedded 'BDF ' table within SFNT-based
bitmap font files. This is used to store atoms & properties from
the original BDF fonts that were used to generate the font file.
the feature is controled by TT_CONFIG_OPTION_BDF within 'ftoption.h'
and is used to implement FT_Get_BDF_Property for these font files.
At the moment, this is still experimental, the BDF table format isn't
cast into stone yet.
2005-12-14 21:38:15 +01:00
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2013-06-03 12:41:58 +02:00
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/*************************************************************************/
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/*************************************************************************/
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/**** ****/
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/**** C F F D R I V E R C O N F I G U R A T I O N ****/
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/**** ****/
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/*************************************************************************/
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/*************************************************************************/
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2014-10-16 22:54:01 +02:00
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/*************************************************************************/
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/* */
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2014-10-23 19:57:37 +02:00
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/* Using CFF_CONFIG_OPTION_DARKENING_PARAMETER_{X,Y}{1,2,3,4} it is */
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/* possible to set up the default values of the four control points that */
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/* define the stem darkening behaviour of the (new) CFF engine. For */
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/* more details please read the documentation of the */
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/* `darkening-parameters' property of the cff driver module (file */
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/* `ftcffdrv.h'), which allows the control at run-time. */
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/* */
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/* Do *not* undefine these macros! */
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/* */
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#define CFF_CONFIG_OPTION_DARKENING_PARAMETER_X1 500
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#define CFF_CONFIG_OPTION_DARKENING_PARAMETER_Y1 400
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#define CFF_CONFIG_OPTION_DARKENING_PARAMETER_X2 1000
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#define CFF_CONFIG_OPTION_DARKENING_PARAMETER_Y2 275
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#define CFF_CONFIG_OPTION_DARKENING_PARAMETER_X3 1667
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#define CFF_CONFIG_OPTION_DARKENING_PARAMETER_Y3 275
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#define CFF_CONFIG_OPTION_DARKENING_PARAMETER_X4 2333
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#define CFF_CONFIG_OPTION_DARKENING_PARAMETER_Y4 0
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2014-10-16 22:54:01 +02:00
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2013-06-03 12:41:58 +02:00
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/*************************************************************************/
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/* */
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/* CFF_CONFIG_OPTION_OLD_ENGINE controls whether the pre-Adobe CFF */
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/* engine gets compiled into FreeType. If defined, it is possible to */
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/* switch between the two engines using the `hinting-engine' property of */
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/* the cff driver module. */
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/* */
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2013-06-19 23:27:47 +02:00
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/* #define CFF_CONFIG_OPTION_OLD_ENGINE */
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2013-06-03 12:41:58 +02:00
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|
2006-02-11 13:12:02 +01:00
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/*************************************************************************/
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/*************************************************************************/
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/**** ****/
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/**** A U T O F I T M O D U L E C O N F I G U R A T I O N ****/
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/**** ****/
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/*************************************************************************/
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/*************************************************************************/
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/*************************************************************************/
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/* */
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2008-02-16 06:53:46 +01:00
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/* Compile autofit module with CJK (Chinese, Japanese, Korean) script */
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/* support. */
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2006-02-11 13:12:02 +01:00
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/* */
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#define AF_CONFIG_OPTION_CJK
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2007-06-26 06:44:35 +02:00
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/*************************************************************************/
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/* */
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/* Compile autofit module with Indic script support. */
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/* */
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#define AF_CONFIG_OPTION_INDIC
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2006-02-11 13:12:02 +01:00
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2011-03-02 03:52:36 +01:00
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/*************************************************************************/
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/* */
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/* Compile autofit module with warp hinting. The idea of the warping */
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/* code is to slightly scale and shift a glyph within a single dimension */
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/* so that as much of its segments are aligned (more or less) on the */
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/* grid. To find out the optimal scaling and shifting value, various */
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/* parameter combinations are tried and scored. */
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/* */
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/* This experimental option is only active if the render mode is */
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/* FT_RENDER_MODE_LIGHT. */
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/* */
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/* #define AF_CONFIG_OPTION_USE_WARPER */
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2006-09-03 08:18:45 +02:00
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/* */
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2001-12-10 11:47:47 +01:00
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2006-01-27 15:16:16 +01:00
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2006-02-17 09:07:09 +01:00
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/*
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2014-10-25 05:20:08 +02:00
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* This macro is obsolete. Support has been removed in FreeType
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* version 2.5.
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2006-02-17 09:07:09 +01:00
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*/
|
2013-01-11 09:02:22 +01:00
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/* #define FT_CONFIG_OPTION_OLD_INTERNALS */
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2005-02-22 17:53:06 +01:00
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2006-01-27 15:16:16 +01:00
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2006-09-03 08:18:45 +02:00
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/*
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2008-11-05 15:34:29 +01:00
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* This macro is defined if either unpatented or native TrueType
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2006-09-03 08:18:45 +02:00
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* hinting is requested by the definitions above.
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*/
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2006-08-26 00:45:13 +02:00
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#ifdef TT_CONFIG_OPTION_BYTECODE_INTERPRETER
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2006-09-03 08:18:45 +02:00
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#define TT_USE_BYTECODE_INTERPRETER
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2008-11-05 15:34:29 +01:00
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#undef TT_CONFIG_OPTION_UNPATENTED_HINTING
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2006-08-26 00:45:13 +02:00
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#elif defined TT_CONFIG_OPTION_UNPATENTED_HINTING
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2006-09-03 08:18:45 +02:00
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#define TT_USE_BYTECODE_INTERPRETER
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2006-08-26 00:45:13 +02:00
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#endif
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2014-10-25 05:56:59 +02:00
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/*
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* Check CFF darkening parameters. The checks are the same as in function
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* `cff_property_set' in file `cffdrivr.c'.
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*/
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#if CFF_CONFIG_OPTION_DARKENING_PARAMETER_X1 < 0 || \
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CFF_CONFIG_OPTION_DARKENING_PARAMETER_X2 < 0 || \
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CFF_CONFIG_OPTION_DARKENING_PARAMETER_X3 < 0 || \
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CFF_CONFIG_OPTION_DARKENING_PARAMETER_X4 < 0 || \
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\
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CFF_CONFIG_OPTION_DARKENING_PARAMETER_Y1 < 0 || \
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CFF_CONFIG_OPTION_DARKENING_PARAMETER_Y2 < 0 || \
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CFF_CONFIG_OPTION_DARKENING_PARAMETER_Y3 < 0 || \
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CFF_CONFIG_OPTION_DARKENING_PARAMETER_Y4 < 0 || \
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\
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CFF_CONFIG_OPTION_DARKENING_PARAMETER_X1 > \
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CFF_CONFIG_OPTION_DARKENING_PARAMETER_X2 || \
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CFF_CONFIG_OPTION_DARKENING_PARAMETER_X2 > \
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CFF_CONFIG_OPTION_DARKENING_PARAMETER_X3 || \
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CFF_CONFIG_OPTION_DARKENING_PARAMETER_X3 > \
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CFF_CONFIG_OPTION_DARKENING_PARAMETER_X4 || \
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\
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CFF_CONFIG_OPTION_DARKENING_PARAMETER_Y1 > 500 || \
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CFF_CONFIG_OPTION_DARKENING_PARAMETER_Y2 > 500 || \
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CFF_CONFIG_OPTION_DARKENING_PARAMETER_Y3 > 500 || \
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CFF_CONFIG_OPTION_DARKENING_PARAMETER_Y4 > 500
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#error "Invalid CFF darkening parameters!"
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#endif
|
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|
2000-12-09 01:45:38 +01:00
|
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FT_END_HEADER
|
2000-08-01 15:17:04 +02:00
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2000-12-09 01:45:38 +01:00
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#endif /* __FTOPTION_H__ */
|
2000-07-19 18:17:55 +02:00
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/* END */
|