900 lines
55 KiB
C
900 lines
55 KiB
C
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/***************************************************************************/
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/* */
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/* ftoption.h */
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/* */
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/* User-selectable configuration macros (specification only). */
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/* */
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/* Copyright 1996-2014 by */
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/* David Turner, Robert Wilhelm, and Werner Lemberg. */
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/* */
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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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/* 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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#ifndef __FTOPTION_H__
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#define __FTOPTION_H__
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#include <ft2build.h>
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FT_BEGIN_HEADER
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/*************************************************************************/
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/* */
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/* USER-SELECTABLE CONFIGURATION MACROS */
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/* */
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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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/* use this file to build project-specific versions of the library: */
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/* */
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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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/* */
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/* - You can put a copy of this file in your build directory, more */
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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. */
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/* */
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/* The default FreeType Makefiles and Jamfiles use the build */
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/* directory `builds/<system>' by default, but you can easily change */
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/* that for your own projects. */
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/* */
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/* - Copy the file <ft2build.h> to `$BUILD/ft2build.h' and modify it */
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/* slightly to pre-define the macro FT_CONFIG_OPTIONS_H used to */
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/* locate this file during the build. For example, */
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/* */
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/* #define FT_CONFIG_OPTIONS_H <myftoptions.h> */
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/* #include <config/ftheader.h> */
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/* */
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/* will use `$BUILD/myftoptions.h' instead of this file for macro */
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/* definitions. */
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/* */
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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 */
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/* default, this file is <config/ftmodule.h>. */
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/* */
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/* We highly recommend using the third method whenever possible. */
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/* */
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/*************************************************************************/
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/*************************************************************************/
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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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/*************************************************************************/
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/*************************************************************************/
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/* */
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/* Uncomment the line below if you want to activate sub-pixel rendering */
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/* (a.k.a. LCD rendering, or ClearType) in this build of the library. */
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/* */
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/* Note that this feature is covered by several Microsoft patents */
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/* and should not be activated in any default build of the library. */
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/* */
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/* This macro has no impact on the FreeType API, only on its */
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/* _implementation_. For example, using FT_RENDER_MODE_LCD when calling */
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/* FT_Render_Glyph still generates a bitmap that is 3 times wider than */
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/* the original size in case this macro isn't defined; however, each */
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/* triplet of subpixels has R=G=B. */
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/* */
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/* This is done to allow FreeType clients to run unmodified, forcing */
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/* them to display normal gray-level anti-aliased glyphs. */
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/* */
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/* #define FT_CONFIG_OPTION_SUBPIXEL_RENDERING */
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/*************************************************************************/
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/* */
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/* Many compilers provide a non-ANSI 64-bit data type that can be used */
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/* by FreeType to speed up some computations. However, this will create */
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/* some problems when compiling the library in strict ANSI mode. */
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/* */
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/* For this reason, the use of 64-bit integers is normally disabled when */
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/* the __STDC__ macro is defined. You can however disable this by */
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/* defining the macro FT_CONFIG_OPTION_FORCE_INT64 here. */
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/* */
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/* For most compilers, this will only create compilation warnings when */
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/* building the library. */
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/* */
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/* ObNote: The compiler-specific 64-bit integers are detected in the */
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/* file `ftconfig.h' either statically or through the */
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/* `configure' script on supported platforms. */
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/* */
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#undef FT_CONFIG_OPTION_FORCE_INT64
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/*************************************************************************/
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/* */
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/* If this macro is defined, do not try to use an assembler version of */
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/* performance-critical functions (e.g. FT_MulFix). You should only do */
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/* that to verify that the assembler function works properly, or to */
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/* execute benchmark tests of the various implementations. */
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/* #define FT_CONFIG_OPTION_NO_ASSEMBLER */
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/*************************************************************************/
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/* */
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/* If this macro is defined, try to use an inlined assembler version of */
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/* the `FT_MulFix' function, which is a `hotspot' when loading and */
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/* hinting glyphs, and which should be executed as fast as possible. */
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/* */
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/* Note that if your compiler or CPU is not supported, this will default */
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/* to the standard and portable implementation found in `ftcalc.c'. */
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/* */
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#define FT_CONFIG_OPTION_INLINE_MULFIX
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/*************************************************************************/
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/* */
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/* LZW-compressed file support. */
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/* */
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/* FreeType now handles font files that have been compressed with the */
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/* `compress' program. This is mostly used to parse many of the PCF */
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/* files that come with various X11 distributions. The implementation */
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/* uses NetBSD's `zopen' to partially uncompress the file on the fly */
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/* (see src/lzw/ftgzip.c). */
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/* */
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/* Define this macro if you want to enable this `feature'. */
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/* */
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#define FT_CONFIG_OPTION_USE_LZW
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/*************************************************************************/
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/* */
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/* Gzip-compressed file support. */
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/* */
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/* FreeType now handles font files that have been compressed with the */
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/* `gzip' program. This is mostly used to parse many of the PCF files */
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/* that come with XFree86. The implementation uses `zlib' to */
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/* partially uncompress the file on the fly (see src/gzip/ftgzip.c). */
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/* */
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/* Define this macro if you want to enable this `feature'. See also */
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/* the macro FT_CONFIG_OPTION_SYSTEM_ZLIB below. */
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/* */
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#define FT_CONFIG_OPTION_USE_ZLIB
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/*************************************************************************/
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/* */
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/* ZLib library selection */
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/* */
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/* This macro is only used when FT_CONFIG_OPTION_USE_ZLIB is defined. */
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/* It allows FreeType's `ftgzip' component to link to the system's */
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/* installation of the ZLib library. This is useful on systems like */
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/* Unix or VMS where it generally is already available. */
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/* */
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/* If you let it undefined, the component will use its own copy */
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/* of the zlib sources instead. These have been modified to be */
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/* included directly within the component and *not* export external */
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/* function names. This allows you to link any program with FreeType */
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/* _and_ ZLib without linking conflicts. */
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/* */
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/* Do not #undef this macro here since the build system might define */
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/* it for certain configurations only. */
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/* */
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/* #define FT_CONFIG_OPTION_SYSTEM_ZLIB */
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/*************************************************************************/
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/* */
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/* Bzip2-compressed file support. */
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/* */
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/* FreeType now handles font files that have been compressed with the */
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/* `bzip2' program. This is mostly used to parse many of the PCF */
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/* files that come with XFree86. The implementation uses `libbz2' to */
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/* partially uncompress the file on the fly (see src/bzip2/ftbzip2.c). */
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/* Contrary to gzip, bzip2 currently is not included and need to use */
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/* the system available bzip2 implementation. */
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/* */
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/* Define this macro if you want to enable this `feature'. */
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/* */
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/* #define FT_CONFIG_OPTION_USE_BZIP2 */
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/*************************************************************************/
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/* */
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/* Define to disable the use of file stream functions and types, FILE, */
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/* fopen() etc. Enables the use of smaller system libraries on embedded */
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/* systems that have multiple system libraries, some with or without */
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/* file stream support, in the cases where file stream support is not */
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/* necessary such as memory loading of font files. */
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/* */
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/* #define FT_CONFIG_OPTION_DISABLE_STREAM_SUPPORT */
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/*************************************************************************/
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/* */
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/* PNG bitmap support. */
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/* */
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/* FreeType now handles loading color bitmap glyphs in the PNG format. */
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/* This requires help from the external libpng library. Uncompressed */
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/* color bitmaps do not need any external libraries and will be */
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/* supported regardless of this configuration. */
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/* */
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/* Define this macro if you want to enable this `feature'. */
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/* */
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/* #define FT_CONFIG_OPTION_USE_PNG */
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/*************************************************************************/
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/* */
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/* HarfBuzz support. */
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/* */
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/* FreeType uses the HarfBuzz library to improve auto-hinting of */
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/* OpenType fonts. If available, many glyphs not directly addressable */
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/* by a font's character map will be hinted also. */
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/* */
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/* Define this macro if you want to enable this `feature'. */
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/* */
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/* #define FT_CONFIG_OPTION_USE_HARFBUZZ */
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/*************************************************************************/
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/* */
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/* DLL export compilation */
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/* */
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/* When compiling FreeType as a DLL, some systems/compilers need a */
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/* special keyword in front OR after the return type of function */
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/* declarations. */
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/* */
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/* Two macros are used within the FreeType source code to define */
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/* exported library functions: FT_EXPORT and FT_EXPORT_DEF. */
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/* */
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/* FT_EXPORT( return_type ) */
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/* */
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/* is used in a function declaration, as in */
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/* */
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/* FT_EXPORT( FT_Error ) */
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/* FT_Init_FreeType( FT_Library* alibrary ); */
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/* */
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/* */
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/* FT_EXPORT_DEF( return_type ) */
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/* */
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/* is used in a function definition, as in */
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/* */
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/* FT_EXPORT_DEF( FT_Error ) */
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/* FT_Init_FreeType( FT_Library* alibrary ) */
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/* { */
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/* ... some code ... */
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/* return FT_Err_Ok; */
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/* } */
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/* */
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/* You can provide your own implementation of FT_EXPORT and */
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/* FT_EXPORT_DEF here if you want. If you leave them undefined, they */
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/* will be later automatically defined as `extern return_type' to */
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/* allow normal compilation. */
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/* */
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/* Do not #undef these macros here since the build system might define */
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/* them for certain configurations only. */
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/* */
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/* #define FT_EXPORT(x) extern x */
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/* #define FT_EXPORT_DEF(x) x */
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/*************************************************************************/
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/* */
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/* Glyph Postscript Names handling */
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/* */
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/* By default, FreeType 2 is compiled with the `psnames' module. This */
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/* module is in charge of converting a glyph name string into a */
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/* Unicode value, or return a Macintosh standard glyph name for the */
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/* use with the TrueType `post' table. */
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/* */
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/* Undefine this macro if you do not want `psnames' compiled in your */
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/* build of FreeType. This has the following effects: */
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/* */
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/* - The TrueType driver will provide its own set of glyph names, */
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/* if you build it to support postscript names in the TrueType */
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/* `post' table. */
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/* */
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/* - The Type 1 driver will not be able to synthesize a Unicode */
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/* charmap out of the glyphs found in the fonts. */
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/* */
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/* You would normally undefine this configuration macro when building */
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/* a version of FreeType that doesn't contain a Type 1 or CFF driver. */
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/* */
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#define FT_CONFIG_OPTION_POSTSCRIPT_NAMES
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/*************************************************************************/
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/* */
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/* Postscript Names to Unicode Values support */
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/* */
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/* By default, FreeType 2 is built with the `PSNames' module compiled */
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/* in. Among other things, the module is used to convert a glyph name */
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/* into a Unicode value. This is especially useful in order to */
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/* synthesize on the fly a Unicode charmap from the CFF/Type 1 driver */
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/* through a big table named the `Adobe Glyph List' (AGL). */
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/* */
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/* Undefine this macro if you do not want the Adobe Glyph List */
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/* compiled in your `PSNames' module. The Type 1 driver will not be */
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/* able to synthesize a Unicode charmap out of the glyphs found in the */
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/* fonts. */
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/* */
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#define FT_CONFIG_OPTION_ADOBE_GLYPH_LIST
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/*************************************************************************/
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/* */
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/* Support for Mac fonts */
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/* */
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/* Define this macro if you want support for outline fonts in Mac */
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/* format (mac dfont, mac resource, macbinary containing a mac */
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/* resource) on non-Mac platforms. */
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/* */
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/* Note that the `FOND' resource isn't checked. */
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/* */
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#define FT_CONFIG_OPTION_MAC_FONTS
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/*************************************************************************/
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/* */
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/* Guessing methods to access embedded resource forks */
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/* */
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/* Enable extra Mac fonts support on non-Mac platforms (e.g. */
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/* GNU/Linux). */
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/* */
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/* Resource forks which include fonts data are stored sometimes in */
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/* locations which users or developers don't expected. In some cases, */
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/* resource forks start with some offset from the head of a file. In */
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/* other cases, the actual resource fork is stored in file different */
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/* from what the user specifies. If this option is activated, */
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/* FreeType tries to guess whether such offsets or different file */
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/* names must be used. */
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/* */
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/* Note that normal, direct access of resource forks is controlled via */
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/* the FT_CONFIG_OPTION_MAC_FONTS option. */
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/* */
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#ifdef FT_CONFIG_OPTION_MAC_FONTS
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#define FT_CONFIG_OPTION_GUESSING_EMBEDDED_RFORK
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#endif
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|
||
|
|
|
||
|
|
/*************************************************************************/
|
||
|
|
/* */
|
||
|
|
/* Allow the use of FT_Incremental_Interface to load typefaces that */
|
||
|
|
/* contain no glyph data, but supply it via a callback function. */
|
||
|
|
/* This is required by clients supporting document formats which */
|
||
|
|
/* supply font data incrementally as the document is parsed, such */
|
||
|
|
/* as the Ghostscript interpreter for the PostScript language. */
|
||
|
|
/* */
|
||
|
|
#define FT_CONFIG_OPTION_INCREMENTAL
|
||
|
|
|
||
|
|
|
||
|
|
/*************************************************************************/
|
||
|
|
/* */
|
||
|
|
/* The size in bytes of the render pool used by the scan-line converter */
|
||
|
|
/* to do all of its work. */
|
||
|
|
/* */
|
||
|
|
/* 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. */
|
||
|
|
/* */
|
||
|
|
#define FT_RENDER_POOL_SIZE 16384L
|
||
|
|
|
||
|
|
|
||
|
|
/*************************************************************************/
|
||
|
|
/* */
|
||
|
|
/* FT_MAX_MODULES */
|
||
|
|
/* */
|
||
|
|
/* The maximum number of modules that can be registered in a single */
|
||
|
|
/* FreeType library object. 32 is the default. */
|
||
|
|
/* */
|
||
|
|
#define FT_MAX_MODULES 32
|
||
|
|
|
||
|
|
|
||
|
|
/*************************************************************************/
|
||
|
|
/* */
|
||
|
|
/* 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. */
|
||
|
|
/* */
|
||
|
|
/* Don't define any of these macros to compile in `release' mode! */
|
||
|
|
/* */
|
||
|
|
/* Do not #undef these macros here since the build system might define */
|
||
|
|
/* them for certain configurations only. */
|
||
|
|
/* */
|
||
|
|
/* #define FT_DEBUG_LEVEL_ERROR */
|
||
|
|
/* #define FT_DEBUG_LEVEL_TRACE */
|
||
|
|
|
||
|
|
|
||
|
|
/*************************************************************************/
|
||
|
|
/* */
|
||
|
|
/* 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 */
|
||
|
|
|
||
|
|
|
||
|
|
/*************************************************************************/
|
||
|
|
/* */
|
||
|
|
/* Memory Debugging */
|
||
|
|
/* */
|
||
|
|
/* FreeType now comes with an integrated memory debugger that is */
|
||
|
|
/* capable of detecting simple errors like memory leaks or double */
|
||
|
|
/* deletes. To compile it within your build of the library, you */
|
||
|
|
/* should define FT_DEBUG_MEMORY here. */
|
||
|
|
/* */
|
||
|
|
/* Note that the memory debugger is only activated at runtime when */
|
||
|
|
/* when the _environment_ variable `FT2_DEBUG_MEMORY' is defined also! */
|
||
|
|
/* */
|
||
|
|
/* Do not #undef this macro here since the build system might define */
|
||
|
|
/* it for certain configurations only. */
|
||
|
|
/* */
|
||
|
|
/* #define FT_DEBUG_MEMORY */
|
||
|
|
|
||
|
|
|
||
|
|
/*************************************************************************/
|
||
|
|
/* */
|
||
|
|
/* Module errors */
|
||
|
|
/* */
|
||
|
|
/* 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. */
|
||
|
|
/* */
|
||
|
|
/* Setting this macro makes sense for debugging purposes only, since */
|
||
|
|
/* it would break source compatibility of certain programs that use */
|
||
|
|
/* FreeType 2. */
|
||
|
|
/* */
|
||
|
|
/* More details can be found in the files ftmoderr.h and fterrors.h. */
|
||
|
|
/* */
|
||
|
|
#undef FT_CONFIG_OPTION_USE_MODULE_ERRORS
|
||
|
|
|
||
|
|
|
||
|
|
/*************************************************************************/
|
||
|
|
/* */
|
||
|
|
/* Position Independent Code */
|
||
|
|
/* */
|
||
|
|
/* If this macro is set (which is _not_ the default), FreeType2 will */
|
||
|
|
/* avoid creating constants that require address fixups. Instead the */
|
||
|
|
/* 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 */
|
||
|
|
|
||
|
|
|
||
|
|
/*************************************************************************/
|
||
|
|
/*************************************************************************/
|
||
|
|
/**** ****/
|
||
|
|
/**** S F N T D R I V E R C O N F I G U R A T I O N ****/
|
||
|
|
/**** ****/
|
||
|
|
/*************************************************************************/
|
||
|
|
/*************************************************************************/
|
||
|
|
|
||
|
|
|
||
|
|
/*************************************************************************/
|
||
|
|
/* */
|
||
|
|
/* Define TT_CONFIG_OPTION_EMBEDDED_BITMAPS if you want to support */
|
||
|
|
/* embedded bitmaps in all formats using the SFNT module (namely */
|
||
|
|
/* TrueType & OpenType). */
|
||
|
|
/* */
|
||
|
|
#define TT_CONFIG_OPTION_EMBEDDED_BITMAPS
|
||
|
|
|
||
|
|
|
||
|
|
/*************************************************************************/
|
||
|
|
/* */
|
||
|
|
/* 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. */
|
||
|
|
/* */
|
||
|
|
/* Note that when you do not compile the `PSNames' module by undefining */
|
||
|
|
/* the above FT_CONFIG_OPTION_POSTSCRIPT_NAMES, the `sfnt' module will */
|
||
|
|
/* contain additional code used to read the PS Names table from a font. */
|
||
|
|
/* */
|
||
|
|
/* (By default, the module uses `PSNames' to extract glyph names.) */
|
||
|
|
/* */
|
||
|
|
#define TT_CONFIG_OPTION_POSTSCRIPT_NAMES
|
||
|
|
|
||
|
|
|
||
|
|
/*************************************************************************/
|
||
|
|
/* */
|
||
|
|
/* Define TT_CONFIG_OPTION_SFNT_NAMES if your applications need to */
|
||
|
|
/* access the internal name table in a SFNT-based format like TrueType */
|
||
|
|
/* 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. */
|
||
|
|
/* */
|
||
|
|
/* Accessing SFNT names is done through the functions declared in */
|
||
|
|
/* `ftsnames.h'. */
|
||
|
|
/* */
|
||
|
|
#define TT_CONFIG_OPTION_SFNT_NAMES
|
||
|
|
|
||
|
|
|
||
|
|
/*************************************************************************/
|
||
|
|
/* */
|
||
|
|
/* 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
|
||
|
|
#define TT_CONFIG_CMAP_FORMAT_13
|
||
|
|
#define TT_CONFIG_CMAP_FORMAT_14
|
||
|
|
|
||
|
|
|
||
|
|
/*************************************************************************/
|
||
|
|
/*************************************************************************/
|
||
|
|
/**** ****/
|
||
|
|
/**** 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 */
|
||
|
|
/* a bytecode interpreter in the TrueType driver. */
|
||
|
|
/* */
|
||
|
|
/* By undefining this, you will only compile the code necessary to load */
|
||
|
|
/* TrueType glyphs without hinting. */
|
||
|
|
/* */
|
||
|
|
/* Do not #undef this macro here, since the build system might */
|
||
|
|
/* define it for certain configurations only. */
|
||
|
|
/* */
|
||
|
|
#define TT_CONFIG_OPTION_BYTECODE_INTERPRETER
|
||
|
|
|
||
|
|
|
||
|
|
/*************************************************************************/
|
||
|
|
/* */
|
||
|
|
/* 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 */
|
||
|
|
|
||
|
|
|
||
|
|
/*************************************************************************/
|
||
|
|
/* */
|
||
|
|
/* If you define TT_CONFIG_OPTION_UNPATENTED_HINTING, a special version */
|
||
|
|
/* of the TrueType bytecode interpreter is used that doesn't implement */
|
||
|
|
/* 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 */
|
||
|
|
/* 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. */
|
||
|
|
/* */
|
||
|
|
/* - 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'). */
|
||
|
|
/* */
|
||
|
|
/* Here a sample code snippet for using FT_PARAM_TAG_UNPATENTED_HINTING. */
|
||
|
|
/* */
|
||
|
|
/* { */
|
||
|
|
/* FT_Parameter parameter; */
|
||
|
|
/* FT_Open_Args open_args; */
|
||
|
|
/* */
|
||
|
|
/* */
|
||
|
|
/* 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 ); */
|
||
|
|
/* ... */
|
||
|
|
/* } */
|
||
|
|
/* */
|
||
|
|
/* #define TT_CONFIG_OPTION_UNPATENTED_HINTING */
|
||
|
|
|
||
|
|
|
||
|
|
/*************************************************************************/
|
||
|
|
/* */
|
||
|
|
/* Define TT_CONFIG_OPTION_INTERPRETER_SWITCH to compile the TrueType */
|
||
|
|
/* bytecode interpreter with a huge switch statement, rather than a call */
|
||
|
|
/* table. This results in smaller and faster code for a number of */
|
||
|
|
/* architectures. */
|
||
|
|
/* */
|
||
|
|
/* Note however that on some compiler/processor combinations, undefining */
|
||
|
|
/* this macro will generate faster, though larger, code. */
|
||
|
|
/* */
|
||
|
|
#define TT_CONFIG_OPTION_INTERPRETER_SWITCH
|
||
|
|
|
||
|
|
|
||
|
|
/*************************************************************************/
|
||
|
|
/* */
|
||
|
|
/* 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 */
|
||
|
|
/* in composites. Apple says that they should be scaled by the scaling */
|
||
|
|
/* 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. */
|
||
|
|
/* */
|
||
|
|
/* http://www.microsoft.com/typography/otspec/glyf.htm */
|
||
|
|
/* http://fonts.apple.com/TTRefMan/RM06/Chap6glyf.html */
|
||
|
|
/* */
|
||
|
|
#undef TT_CONFIG_OPTION_COMPONENT_OFFSET_SCALED
|
||
|
|
|
||
|
|
|
||
|
|
/*************************************************************************/
|
||
|
|
/* */
|
||
|
|
/* 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
|
||
|
|
|
||
|
|
|
||
|
|
/*************************************************************************/
|
||
|
|
/* */
|
||
|
|
/* Define TT_CONFIG_OPTION_BDF if you want to include support for */
|
||
|
|
/* an embedded `BDF ' table within SFNT-based bitmap formats. */
|
||
|
|
/* */
|
||
|
|
#define TT_CONFIG_OPTION_BDF
|
||
|
|
|
||
|
|
|
||
|
|
/*************************************************************************/
|
||
|
|
/*************************************************************************/
|
||
|
|
/**** ****/
|
||
|
|
/**** T Y P E 1 D R I V E R C O N F I G U R A T I O N ****/
|
||
|
|
/**** ****/
|
||
|
|
/*************************************************************************/
|
||
|
|
/*************************************************************************/
|
||
|
|
|
||
|
|
|
||
|
|
/*************************************************************************/
|
||
|
|
/* */
|
||
|
|
/* T1_MAX_DICT_DEPTH is the maximum depth of nest dictionaries and */
|
||
|
|
/* arrays in the Type 1 stream (see t1load.c). A minimum of 4 is */
|
||
|
|
/* required. */
|
||
|
|
/* */
|
||
|
|
#define T1_MAX_DICT_DEPTH 5
|
||
|
|
|
||
|
|
|
||
|
|
/*************************************************************************/
|
||
|
|
/* */
|
||
|
|
/* T1_MAX_SUBRS_CALLS details the maximum number of nested sub-routine */
|
||
|
|
/* calls during glyph loading. */
|
||
|
|
/* */
|
||
|
|
#define T1_MAX_SUBRS_CALLS 16
|
||
|
|
|
||
|
|
|
||
|
|
/*************************************************************************/
|
||
|
|
/* */
|
||
|
|
/* T1_MAX_CHARSTRING_OPERANDS is the charstring stack's capacity. A */
|
||
|
|
/* minimum of 16 is required. */
|
||
|
|
/* */
|
||
|
|
/* The Chinese font MingTiEG-Medium (CNS 11643 character set) needs 256. */
|
||
|
|
/* */
|
||
|
|
#define T1_MAX_CHARSTRINGS_OPERANDS 256
|
||
|
|
|
||
|
|
|
||
|
|
/*************************************************************************/
|
||
|
|
/* */
|
||
|
|
/* Define this configuration macro if you want to prevent the */
|
||
|
|
/* compilation of `t1afm', which is in charge of reading Type 1 AFM */
|
||
|
|
/* files into an existing face. Note that if set, the T1 driver will be */
|
||
|
|
/* unable to produce kerning distances. */
|
||
|
|
/* */
|
||
|
|
#undef T1_CONFIG_OPTION_NO_AFM
|
||
|
|
|
||
|
|
|
||
|
|
/*************************************************************************/
|
||
|
|
/* */
|
||
|
|
/* Define this configuration macro if you want to prevent the */
|
||
|
|
/* compilation of the Multiple Masters font support in the Type 1 */
|
||
|
|
/* driver. */
|
||
|
|
/* */
|
||
|
|
#undef T1_CONFIG_OPTION_NO_MM_SUPPORT
|
||
|
|
|
||
|
|
|
||
|
|
/*************************************************************************/
|
||
|
|
/*************************************************************************/
|
||
|
|
/**** ****/
|
||
|
|
/**** C F F D R I V E R C O N F I G U R A T I O N ****/
|
||
|
|
/**** ****/
|
||
|
|
/*************************************************************************/
|
||
|
|
/*************************************************************************/
|
||
|
|
|
||
|
|
|
||
|
|
/*************************************************************************/
|
||
|
|
/* */
|
||
|
|
/* Using CFF_CONFIG_OPTION_DARKENING_PARAMETER_{X,Y}{1,2,3,4} it is */
|
||
|
|
/* possible to set up the default values of the four control points that */
|
||
|
|
/* define the stem darkening behaviour of the (new) CFF engine. For */
|
||
|
|
/* more details please read the documentation of the */
|
||
|
|
/* `darkening-parameters' property of the cff driver module (file */
|
||
|
|
/* `ftcffdrv.h'), which allows the control at run-time. */
|
||
|
|
/* */
|
||
|
|
/* Do *not* undefine these macros! */
|
||
|
|
/* */
|
||
|
|
#define CFF_CONFIG_OPTION_DARKENING_PARAMETER_X1 500
|
||
|
|
#define CFF_CONFIG_OPTION_DARKENING_PARAMETER_Y1 400
|
||
|
|
|
||
|
|
#define CFF_CONFIG_OPTION_DARKENING_PARAMETER_X2 1000
|
||
|
|
#define CFF_CONFIG_OPTION_DARKENING_PARAMETER_Y2 275
|
||
|
|
|
||
|
|
#define CFF_CONFIG_OPTION_DARKENING_PARAMETER_X3 1667
|
||
|
|
#define CFF_CONFIG_OPTION_DARKENING_PARAMETER_Y3 275
|
||
|
|
|
||
|
|
#define CFF_CONFIG_OPTION_DARKENING_PARAMETER_X4 2333
|
||
|
|
#define CFF_CONFIG_OPTION_DARKENING_PARAMETER_Y4 0
|
||
|
|
|
||
|
|
|
||
|
|
/*************************************************************************/
|
||
|
|
/* */
|
||
|
|
/* CFF_CONFIG_OPTION_OLD_ENGINE controls whether the pre-Adobe CFF */
|
||
|
|
/* engine gets compiled into FreeType. If defined, it is possible to */
|
||
|
|
/* switch between the two engines using the `hinting-engine' property of */
|
||
|
|
/* the cff driver module. */
|
||
|
|
/* */
|
||
|
|
/* #define CFF_CONFIG_OPTION_OLD_ENGINE */
|
||
|
|
|
||
|
|
|
||
|
|
/*************************************************************************/
|
||
|
|
/*************************************************************************/
|
||
|
|
/**** ****/
|
||
|
|
/**** 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 ****/
|
||
|
|
/**** ****/
|
||
|
|
/*************************************************************************/
|
||
|
|
/*************************************************************************/
|
||
|
|
|
||
|
|
|
||
|
|
/*************************************************************************/
|
||
|
|
/* */
|
||
|
|
/* Compile autofit module with CJK (Chinese, Japanese, Korean) script */
|
||
|
|
/* support. */
|
||
|
|
/* */
|
||
|
|
#define AF_CONFIG_OPTION_CJK
|
||
|
|
|
||
|
|
/*************************************************************************/
|
||
|
|
/* */
|
||
|
|
/* Compile autofit module with Indic script support. */
|
||
|
|
/* */
|
||
|
|
#define AF_CONFIG_OPTION_INDIC
|
||
|
|
|
||
|
|
/*************************************************************************/
|
||
|
|
/* */
|
||
|
|
/* Compile autofit module with warp hinting. The idea of the warping */
|
||
|
|
/* code is to slightly scale and shift a glyph within a single dimension */
|
||
|
|
/* so that as much of its segments are aligned (more or less) on the */
|
||
|
|
/* grid. To find out the optimal scaling and shifting value, various */
|
||
|
|
/* parameter combinations are tried and scored. */
|
||
|
|
/* */
|
||
|
|
/* This experimental option is only active if the render mode is */
|
||
|
|
/* FT_RENDER_MODE_LIGHT. */
|
||
|
|
/* */
|
||
|
|
/* #define AF_CONFIG_OPTION_USE_WARPER */
|
||
|
|
|
||
|
|
/* */
|
||
|
|
|
||
|
|
|
||
|
|
/*
|
||
|
|
* This macro is obsolete. Support has been removed in FreeType
|
||
|
|
* version 2.5.
|
||
|
|
*/
|
||
|
|
/* #define FT_CONFIG_OPTION_OLD_INTERNALS */
|
||
|
|
|
||
|
|
|
||
|
|
/*
|
||
|
|
* This macro is defined if either unpatented or native TrueType
|
||
|
|
* hinting is requested by the definitions above.
|
||
|
|
*/
|
||
|
|
#ifdef TT_CONFIG_OPTION_BYTECODE_INTERPRETER
|
||
|
|
#define TT_USE_BYTECODE_INTERPRETER
|
||
|
|
#undef TT_CONFIG_OPTION_UNPATENTED_HINTING
|
||
|
|
#elif defined TT_CONFIG_OPTION_UNPATENTED_HINTING
|
||
|
|
#define TT_USE_BYTECODE_INTERPRETER
|
||
|
|
#endif
|
||
|
|
|
||
|
|
|
||
|
|
/*
|
||
|
|
* Check CFF darkening parameters. The checks are the same as in function
|
||
|
|
* `cff_property_set' in file `cffdrivr.c'.
|
||
|
|
*/
|
||
|
|
#if CFF_CONFIG_OPTION_DARKENING_PARAMETER_X1 < 0 || \
|
||
|
|
CFF_CONFIG_OPTION_DARKENING_PARAMETER_X2 < 0 || \
|
||
|
|
CFF_CONFIG_OPTION_DARKENING_PARAMETER_X3 < 0 || \
|
||
|
|
CFF_CONFIG_OPTION_DARKENING_PARAMETER_X4 < 0 || \
|
||
|
|
\
|
||
|
|
CFF_CONFIG_OPTION_DARKENING_PARAMETER_Y1 < 0 || \
|
||
|
|
CFF_CONFIG_OPTION_DARKENING_PARAMETER_Y2 < 0 || \
|
||
|
|
CFF_CONFIG_OPTION_DARKENING_PARAMETER_Y3 < 0 || \
|
||
|
|
CFF_CONFIG_OPTION_DARKENING_PARAMETER_Y4 < 0 || \
|
||
|
|
\
|
||
|
|
CFF_CONFIG_OPTION_DARKENING_PARAMETER_X1 > \
|
||
|
|
CFF_CONFIG_OPTION_DARKENING_PARAMETER_X2 || \
|
||
|
|
CFF_CONFIG_OPTION_DARKENING_PARAMETER_X2 > \
|
||
|
|
CFF_CONFIG_OPTION_DARKENING_PARAMETER_X3 || \
|
||
|
|
CFF_CONFIG_OPTION_DARKENING_PARAMETER_X3 > \
|
||
|
|
CFF_CONFIG_OPTION_DARKENING_PARAMETER_X4 || \
|
||
|
|
\
|
||
|
|
CFF_CONFIG_OPTION_DARKENING_PARAMETER_Y1 > 500 || \
|
||
|
|
CFF_CONFIG_OPTION_DARKENING_PARAMETER_Y2 > 500 || \
|
||
|
|
CFF_CONFIG_OPTION_DARKENING_PARAMETER_Y3 > 500 || \
|
||
|
|
CFF_CONFIG_OPTION_DARKENING_PARAMETER_Y4 > 500
|
||
|
|
#error "Invalid CFF darkening parameters!"
|
||
|
|
#endif
|
||
|
|
|
||
|
|
FT_END_HEADER
|
||
|
|
|
||
|
|
|
||
|
|
#endif /* __FTOPTION_H__ */
|
||
|
|
|
||
|
|
|
||
|
|
/* END */
|