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530 lines
32 KiB
530 lines
32 KiB
/***************************************************************************/ |
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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 1996-2001, 2002, 2003 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 "$BUILD/freetype/config/ftoption.h", where "$BUILD" */ |
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/* is the name of a directory that is included _before_ the FreeType */ |
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/* include 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 "$BUILD/ft2build.h" and modify it */ |
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/* slightly to pre-define the macro FT_CONFIG_OPTIONS_H used to */ |
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/* locate this file during the build. For example, */ |
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/* */ |
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/* #define FT_CONFIG_OPTIONS_H <myftoptions.h> */ |
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/* #include <freetype/config/ftheader.h> */ |
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/* */ |
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/* will use "$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 <freetype/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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/* 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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/* 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/base/ftgzip.c). */ |
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/* */ |
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/* Define this macro if you want to enable this "feature". Note that */ |
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/* this will however force you to link the zlib to any program that */ |
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/* also uses FreeType. */ |
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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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/* 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 synthetize 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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/* synthetize 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 synthetize 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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/* Allow the use of FT_Incremental_Interface to load typefaces that */ |
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/* contain no glyph data, but supply it via a callback function. */ |
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/* This allows FreeType to be used with the PostScript language, using */ |
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/* the GhostScript interpreter. */ |
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/* */ |
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/* #define FT_CONFIG_OPTION_INCREMENTAL */ |
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/*************************************************************************/ |
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/* */ |
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/* The size in bytes of the render pool used by the scan-line converter */ |
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/* to do all of its work. */ |
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/* */ |
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/* This must be greater than 4KByte. */ |
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/* */ |
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#define FT_RENDER_POOL_SIZE 16384L |
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/*************************************************************************/ |
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/* */ |
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/* FT_MAX_MODULES */ |
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/* */ |
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/* The maximum number of modules that can be registered in a single */ |
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/* FreeType library object. 32 is the default. */ |
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/* */ |
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#define FT_MAX_MODULES 32 |
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/*************************************************************************/ |
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/* */ |
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/* Debug level */ |
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/* */ |
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/* FreeType can be compiled in debug or trace mode. In debug mode, */ |
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/* errors are reported through the `ftdebug' component. In trace */ |
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/* mode, additional messages are sent to the standard output during */ |
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/* execution. */ |
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/* */ |
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/* Define FT_DEBUG_LEVEL_ERROR to build the library in debug mode. */ |
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/* Define FT_DEBUG_LEVEL_TRACE to build it in trace mode. */ |
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/* */ |
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/* Don't define any of these macros to compile in `release' mode! */ |
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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_DEBUG_LEVEL_ERROR |
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#define FT_DEBUG_LEVEL_TRACE |
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/*************************************************************************/ |
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/* */ |
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/* Memory Debugging */ |
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/* */ |
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/* FreeType now comes with an integrated memory debugger that is */ |
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/* capable of detecting simple errors like memory leaks or double */ |
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/* deletes. To compile it within your build of the library, you */ |
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/* should define FT_DEBUG_MEMORY here. */ |
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/* */ |
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/* Note that the memory debugger is only activated at runtime when */ |
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/* when the _environment_ variable "FT2_DEBUG_MEMORY" is defined also! */ |
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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_DEBUG_MEMORY */ |
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/*************************************************************************/ |
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/* */ |
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/* Module errors */ |
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/* */ |
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/* If this macro is set (which is _not_ the default), the higher byte */ |
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/* of an error code gives the module in which the error has occurred, */ |
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/* while the lower byte is the real error code. */ |
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/* */ |
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/* Setting this macro makes sense for debugging purposes only, since */ |
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/* it would break source compatibility of certain programs that use */ |
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/* FreeType 2. */ |
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/* */ |
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/* More details can be found in the files ftmoderr.h and fterrors.h. */ |
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/* */ |
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#undef FT_CONFIG_OPTION_USE_MODULE_ERRORS |
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/*************************************************************************/ |
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/*************************************************************************/ |
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/**** ****/ |
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/**** S F N T 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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/*************************************************************************/ |
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/* */ |
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/* Define TT_CONFIG_OPTION_EMBEDDED_BITMAPS if you want to support */ |
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/* embedded bitmaps in all formats using the SFNT module (namely */ |
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/* TrueType & OpenType). */ |
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/* */ |
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#define TT_CONFIG_OPTION_EMBEDDED_BITMAPS |
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/*************************************************************************/ |
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/* */ |
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/* Define TT_CONFIG_OPTION_POSTSCRIPT_NAMES if you want to be able to */ |
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/* load and enumerate the glyph Postscript names in a TrueType or */ |
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/* OpenType file. */ |
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/* */ |
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/* Note that when you do not compile the `PSNames' module by undefining */ |
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/* the above FT_CONFIG_OPTION_POSTSCRIPT_NAMES, the `sfnt' module will */ |
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/* contain additional code used to read the PS Names table from a font. */ |
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/* */ |
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/* (By default, the module uses `PSNames' to extract glyph names.) */ |
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/* */ |
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#define TT_CONFIG_OPTION_POSTSCRIPT_NAMES |
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/*************************************************************************/ |
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/* */ |
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/* Define TT_CONFIG_OPTION_SFNT_NAMES if your applications need to */ |
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/* access the internal name table in a SFNT-based format like TrueType */ |
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/* or OpenType. The name table contains various strings used to */ |
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/* describe the font, like family name, copyright, version, etc. It */ |
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/* does not contain any glyph name though. */ |
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/* */ |
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/* Accessing SFNT names is done through the functions declared in */ |
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/* `freetype/ftnames.h'. */ |
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/* */ |
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#define TT_CONFIG_OPTION_SFNT_NAMES |
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/*************************************************************************/ |
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/* */ |
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/* TrueType CMap support */ |
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/* */ |
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/* Here you can fine-tune which TrueType CMap table format shall be */ |
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/* supported. */ |
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#define TT_CONFIG_CMAP_FORMAT_0 |
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#define TT_CONFIG_CMAP_FORMAT_2 |
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#define TT_CONFIG_CMAP_FORMAT_4 |
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#define TT_CONFIG_CMAP_FORMAT_6 |
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#define TT_CONFIG_CMAP_FORMAT_8 |
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#define TT_CONFIG_CMAP_FORMAT_10 |
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#define TT_CONFIG_CMAP_FORMAT_12 |
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/*************************************************************************/ |
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/*************************************************************************/ |
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/**** ****/ |
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/**** 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 ****/ |
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/**** ****/ |
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/*************************************************************************/ |
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/*************************************************************************/ |
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/*************************************************************************/ |
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/* */ |
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/* Define TT_CONFIG_OPTION_BYTECODE_INTERPRETER if you want to compile */ |
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/* a bytecode interpreter in the TrueType driver. Note that there are */ |
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/* important patent issues related to the use of the interpreter. */ |
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/* */ |
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/* By undefining this, you will only compile the code necessary to load */ |
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/* TrueType glyphs without hinting. */ |
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/* */ |
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/* Do not #undef this macro here, since the build system might */ |
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/* define it for certain configurations only. */ |
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/* */ |
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#define TT_CONFIG_OPTION_BYTECODE_INTERPRETER |
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/*************************************************************************/ |
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/* */ |
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/* Define TT_CONFIG_OPTION_UNPATENTED_HINTING (in addition to */ |
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/* TT_CONFIG_OPTION_BYTECODE_INTERPRETER) to compile the unpatented */ |
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/* work-around hinting system. Note that for the moment, the algorithm */ |
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/* is only used when selected at runtime through the parameter tag */ |
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/* FT_PARAM_TAG_UNPATENTED_HINTING; or when the debug hook */ |
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/* FT_DEBUG_HOOK_UNPATENTED_HINTING is globally actived */ |
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/* */ |
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#define TT_CONFIG_OPTION_UNPATENTED_HINTING |
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/*************************************************************************/ |
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/* */ |
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/* Define TT_CONFIG_OPTION_INTERPRETER_SWITCH to compile the TrueType */ |
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/* bytecode interpreter with a huge switch statement, rather than a call */ |
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/* table. This results in smaller and faster code for a number of */ |
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/* architectures. */ |
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/* */ |
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/* Note however that on some compiler/processor combinations, undefining */ |
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/* this macro will generate faster, though larger, code. */ |
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/* */ |
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#define TT_CONFIG_OPTION_INTERPRETER_SWITCH |
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/*************************************************************************/ |
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/* */ |
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/* Define TT_CONFIG_OPTION_COMPONENT_OFFSET_SCALED to compile the */ |
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/* TrueType glyph loader to use Apple's definition of how to handle */ |
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/* component offsets in composite glyphs. */ |
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/* */ |
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/* Apple and MS disagree on the default behavior of component offsets */ |
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/* in composites. Apple says that they should be scaled by the scale */ |
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/* factors in the transformation matrix (roughly, it's more complex) */ |
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/* while MS says they should not. OpenType defines two bits in the */ |
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/* composite flags array which can be used to disambiguate, but old */ |
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/* fonts will not have them. */ |
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/* */ |
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/* http://partners.adobe.com/asn/developer/opentype/glyf.html */ |
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/* http://fonts.apple.com/TTRefMan/RM06/Chap6glyf.html */ |
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/* */ |
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#undef TT_CONFIG_OPTION_COMPONENT_OFFSET_SCALED |
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/*************************************************************************/ |
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/*************************************************************************/ |
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/**** ****/ |
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/**** T Y P E 1 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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/*************************************************************************/ |
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/* */ |
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/* T1_MAX_DICT_DEPTH is the maximal depth of nest dictionaries and */ |
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/* arrays in the Type 1 stream (see t1load.c). A minimum of 4 is */ |
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/* required. */ |
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/* */ |
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#define T1_MAX_DICT_DEPTH 5 |
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/*************************************************************************/ |
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/* */ |
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/* T1_MAX_SUBRS_CALLS details the maximum number of nested sub-routine */ |
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/* calls during glyph loading. */ |
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/* */ |
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#define T1_MAX_SUBRS_CALLS 16 |
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/*************************************************************************/ |
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/* */ |
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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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/* */ |
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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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/*************************************************************************/ |
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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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/*************************************************************************/ |
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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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/* */ |
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/* |
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* The FT_CONFIG_OPTION_CHESTER_XXXX macros are used to toggle some recent |
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* improvements to the auto-hinter contributed by David Chester. They will |
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* most likely disappear completely in the next release. For now, you |
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* should always keep them defined. |
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* |
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*/ |
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#define FT_CONFIG_OPTION_CHESTER_HINTS |
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#ifdef FT_CONFIG_OPTION_CHESTER_HINTS |
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#define FT_CONFIG_CHESTER_SMALL_F |
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#define FT_CONFIG_CHESTER_ASCENDER |
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#define FT_CONFIG_CHESTER_SERIF |
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#define FT_CONFIG_CHESTER_STEM |
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#define FT_CONFIG_CHESTER_BLUE_SCALE |
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#endif /* FT_CONFIG_OPTION_CHESTER_HINTS */ |
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FT_END_HEADER |
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#endif /* __FTOPTION_H__ */ |
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/* END */
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