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/***************************************************************************/
/* */
/* ftoption.h */
/* */
/* User-selectable configuration macros (specification only). */
/* */
/* Copyright 1996-2017 by */
/* David Turner, Robert Wilhelm, and Werner Lemberg. */
/* */
/* This file is part of the FreeType project, and may only be used, */
/* modified, and distributed under the terms of the FreeType project */
/* license, LICENSE.TXT. By continuing to use, modify, or distribute */
/* this file you indicate that you have read the license and */
/* understand and accept it fully. */
/* */
/***************************************************************************/
#ifndef FTOPTION_H_
#define FTOPTION_H_
#include <ft2build.h>
FT_BEGIN_HEADER
/*************************************************************************/
/* */
/* USER-SELECTABLE CONFIGURATION MACROS */
/* */
/* This file contains the default configuration macro definitions for */
/* a standard build of the FreeType library. There are three ways to */
/* use this file to build project-specific versions of the library: */
/* */
/* - You can modify this file by hand, but this is not recommended in */
/* cases where you would like to build several versions of the */
/* library from a single source directory. */
/* */
/* - You can put a copy of this file in your build directory, more */
/* precisely in `$BUILD/freetype/config/ftoption.h', where `$BUILD' */
/* is the name of a directory that is included _before_ the FreeType */
/* include path during compilation. */
/* */
/* The default FreeType Makefiles and Jamfiles use the build */
/* directory `builds/<system>' by default, but you can easily change */
/* that for your own projects. */
/* */
/* - Copy the file <ft2build.h> to `$BUILD/ft2build.h' and modify it */
/* slightly to pre-define the macro FT_CONFIG_OPTIONS_H used to */
/* locate this file during the build. For example, */
/* */
/* #define FT_CONFIG_OPTIONS_H <myftoptions.h> */
/* #include <freetype/config/ftheader.h> */
/* */
/* will use `$BUILD/myftoptions.h' instead of this file for macro */
/* definitions. */
/* */
/* Note also that you can similarly pre-define the macro */
/* FT_CONFIG_MODULES_H used to locate the file listing of the modules */
/* that are statically linked to the library at compile time. By */
/* default, this file is <freetype/config/ftmodule.h>. */
/* */
/* We highly recommend using the third method whenever possible. */
/* */
/*************************************************************************/
/*************************************************************************/
/*************************************************************************/
/**** ****/
/**** 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 ****/
/**** ****/
/*************************************************************************/
/*************************************************************************/
/*************************************************************************/
/* */
/* If you enable this configuration option, FreeType recognizes an */
/* environment variable called `FREETYPE_PROPERTIES', which can be used */
/* to control the various font drivers and modules. The controllable */
/* properties are listed in the section `Controlling FreeType Modules' */
/* in the reference's table of contents; currently there are properties */
/* for the auto-hinter (file `ftautoh.h'), CFF (file `ftcffdrv.h'), */
/* TrueType (file `ftttdrv.h'), and PCF (file `ftpcfdrv.h'). */
/* */
/* `FREETYPE_PROPERTIES' has the following syntax form (broken here into */
/* multiple lines for better readability). */
/* */
/* <optional whitespace> */
/* <module-name1> ':' */
/* <property-name1> '=' <property-value1> */
/* <whitespace> */
/* <module-name2> ':' */
/* <property-name2> '=' <property-value2> */
/* ... */
/* */
/* Example: */
/* */
/* FREETYPE_PROPERTIES=truetype:interpreter-version=35 \ */
/* cff:no-stem-darkening=1 \ */
/* autofitter:warping=1 */
/* */
#define FT_CONFIG_OPTION_ENVIRONMENT_PROPERTIES
/*************************************************************************/
/* */
/* Uncomment the line below if you want to activate sub-pixel rendering */
/* (a.k.a. LCD rendering, or ClearType) in this build of the library. */
/* */
/* Note that this feature is covered by several Microsoft patents */
/* and should not be activated in any default build of the library. */
/* */
/* This macro has no impact on the FreeType API, only on its */
/* _implementation_. For example, using FT_RENDER_MODE_LCD when calling */
/* FT_Render_Glyph still generates a bitmap that is 3 times wider than */
/* the original size in case this macro isn't defined; however, each */
/* triplet of subpixels has R=G=B. */
/* */
/* This is done to allow FreeType clients to run unmodified, forcing */
/* them to display normal gray-level anti-aliased glyphs. */
/* */
/* #define FT_CONFIG_OPTION_SUBPIXEL_RENDERING */
/*************************************************************************/
/* */
/* Many compilers provide a non-ANSI 64-bit data type that can be used */
/* by FreeType to speed up some computations. However, this will create */
/* some problems when compiling the library in strict ANSI mode. */
/* */
/* For this reason, the use of 64-bit integers is normally disabled when */
/* the __STDC__ macro is defined. You can however disable this by */
/* defining the macro FT_CONFIG_OPTION_FORCE_INT64 here. */
/* */
/* For most compilers, this will only create compilation warnings when */
/* building the library. */
/* */
/* ObNote: The compiler-specific 64-bit integers are detected in the */
/* file `ftconfig.h' either statically or through the */
/* `configure' script on supported platforms. */
/* */
#undef FT_CONFIG_OPTION_FORCE_INT64
/*************************************************************************/
/* */
/* If this macro is defined, do not try to use an assembler version of */
/* performance-critical functions (e.g. FT_MulFix). You should only do */
/* that to verify that the assembler function works properly, or to */
/* execute benchmark tests of the various implementations. */
/* #define FT_CONFIG_OPTION_NO_ASSEMBLER */
/*************************************************************************/
/* */
/* If this macro is defined, try to use an inlined assembler version of */
/* the `FT_MulFix' function, which is a `hotspot' when loading and */
/* hinting glyphs, and which should be executed as fast as possible. */
/* */
/* Note that if your compiler or CPU is not supported, this will default */
/* to the standard and portable implementation found in `ftcalc.c'. */
/* */
#define FT_CONFIG_OPTION_INLINE_MULFIX
/*************************************************************************/
/* */
/* LZW-compressed file support. */
/* */
/* FreeType now handles font files that have been compressed with the */
/* `compress' program. This is mostly used to parse many of the PCF */
/* files that come with various X11 distributions. The implementation */
/* uses NetBSD's `zopen' to partially uncompress the file on the fly */
/* (see src/lzw/ftgzip.c). */
/* */
/* Define this macro if you want to enable this `feature'. */
/* */
#define FT_CONFIG_OPTION_USE_LZW
/*************************************************************************/
/* */
/* Gzip-compressed file support. */
/* */
/* FreeType now handles font files that have been compressed with the */
/* `gzip' program. This is mostly used to parse many of the PCF files */
/* that come with XFree86. The implementation uses `zlib' to */
/* partially uncompress the file on the fly (see src/gzip/ftgzip.c). */
/* */
/* Define this macro if you want to enable this `feature'. See also */
/* the macro FT_CONFIG_OPTION_SYSTEM_ZLIB below. */
/* */
#define FT_CONFIG_OPTION_USE_ZLIB
/*************************************************************************/
/* */
/* ZLib library selection */
/* */
/* This macro is only used when FT_CONFIG_OPTION_USE_ZLIB is defined. */
/* It allows FreeType's `ftgzip' component to link to the system's */
/* installation of the ZLib library. This is useful on systems like */
/* Unix or VMS where it generally is already available. */
/* */
/* If you let it undefined, the component will use its own copy */
/* of the zlib sources instead. These have been modified to be */
/* included directly within the component and *not* export external */
/* function names. This allows you to link any program with FreeType */
/* _and_ ZLib without linking conflicts. */
/* */
/* Do not #undef this macro here since the build system might define */
/* it for certain configurations only. */
/* */
/* #define FT_CONFIG_OPTION_SYSTEM_ZLIB */
/*************************************************************************/
/* */
/* Bzip2-compressed file support. */
/* */
/* FreeType now handles font files that have been compressed with the */
/* `bzip2' program. This is mostly used to parse many of the PCF */
/* files that come with XFree86. The implementation uses `libbz2' to */
/* partially uncompress the file on the fly (see src/bzip2/ftbzip2.c). */
/* Contrary to gzip, bzip2 currently is not included and need to use */
/* the system available bzip2 implementation. */
/* */
/* Define this macro if you want to enable this `feature'. */
/* */
/* #define FT_CONFIG_OPTION_USE_BZIP2 */
/*************************************************************************/
/* */
/* Define to disable the use of file stream functions and types, FILE, */
/* fopen() etc. Enables the use of smaller system libraries on embedded */
/* systems that have multiple system libraries, some with or without */
/* file stream support, in the cases where file stream support is not */
/* necessary such as memory loading of font files. */
/* */
/* #define FT_CONFIG_OPTION_DISABLE_STREAM_SUPPORT */
/*************************************************************************/
/* */
/* PNG bitmap support. */
/* */
/* FreeType now handles loading color bitmap glyphs in the PNG format. */
/* This requires help from the external libpng library. Uncompressed */
/* color bitmaps do not need any external libraries and will be */
/* supported regardless of this configuration. */
/* */
/* Define this macro if you want to enable this `feature'. */
/* */
/* #define FT_CONFIG_OPTION_USE_PNG */
/*************************************************************************/
/* */
/* HarfBuzz support. */
/* */
/* FreeType uses the HarfBuzz library to improve auto-hinting of */
/* OpenType fonts. If available, many glyphs not directly addressable */
/* by a font's character map will be hinted also. */
/* */
/* Define this macro if you want to enable this `feature'. */
/* */
/* #define FT_CONFIG_OPTION_USE_HARFBUZZ */
/*************************************************************************/
/* */
/* DLL export compilation */
/* */
/* When compiling FreeType as a DLL, some systems/compilers need a */
/* special keyword in front OR after the return type of function */
/* declarations. */
/* */
/* Two macros are used within the FreeType source code to define */
/* exported library functions: FT_EXPORT and FT_EXPORT_DEF. */
/* */
/* FT_EXPORT( return_type ) */
/* */
/* is used in a function declaration, as in */
/* */
/* FT_EXPORT( FT_Error ) */
/* FT_Init_FreeType( FT_Library* alibrary ); */
/* */
/* */
/* FT_EXPORT_DEF( return_type ) */
/* */
/* is used in a function definition, as in */
/* */
/* FT_EXPORT_DEF( FT_Error ) */
/* FT_Init_FreeType( FT_Library* alibrary ) */
/* { */
/* ... some code ... */
/* return FT_Err_Ok; */
/* } */
/* */
/* You can provide your own implementation of FT_EXPORT and */
/* FT_EXPORT_DEF here if you want. If you leave them undefined, they */
/* will be later automatically defined as `extern return_type' to */
/* allow normal compilation. */
/* */
/* Do not #undef these macros here since the build system might define */
/* them for certain configurations only. */
/* */
/* #define FT_EXPORT(x) extern x */
/* #define FT_EXPORT_DEF(x) x */
/*************************************************************************/
/* */
/* Glyph Postscript Names handling */
/* */
/* By default, FreeType 2 is compiled with the `psnames' module. This */
/* module is in charge of converting a glyph name string into a */
/* Unicode value, or return a Macintosh standard glyph name for the */
/* use with the TrueType `post' table. */
/* */
/* Undefine this macro if you do not want `psnames' compiled in your */
/* build of FreeType. This has the following effects: */
/* */
/* - The TrueType driver will provide its own set of glyph names, */
/* if you build it to support postscript names in the TrueType */
/* `post' table. */
/* */
/* - The Type 1 driver will not be able to synthesize a Unicode */
/* charmap out of the glyphs found in the fonts. */
/* */
/* You would normally undefine this configuration macro when building */
/* a version of FreeType that doesn't contain a Type 1 or CFF driver. */
/* */
#define FT_CONFIG_OPTION_POSTSCRIPT_NAMES
/*************************************************************************/
/* */
/* Postscript Names to Unicode Values support */
/* */
/* By default, FreeType 2 is built with the `PSNames' module compiled */
/* in. Among other things, the module is used to convert a glyph name */
/* into a Unicode value. This is especially useful in order to */
/* synthesize on the fly a Unicode charmap from the CFF/Type 1 driver */
/* through a big table named the `Adobe Glyph List' (AGL). */
/* */
/* Undefine this macro if you do not want the Adobe Glyph List */
/* compiled in your `PSNames' module. The Type 1 driver will not be */
/* able to synthesize a Unicode charmap out of the glyphs found in the */
/* fonts. */
/* */
#define FT_CONFIG_OPTION_ADOBE_GLYPH_LIST
/*************************************************************************/
/* */
/* Support for Mac fonts */
/* */
/* Define this macro if you want support for outline fonts in Mac */
/* format (mac dfont, mac resource, macbinary containing a mac */
/* resource) on non-Mac platforms. */
/* */
/* Note that the `FOND' resource isn't checked. */
/* */
#define FT_CONFIG_OPTION_MAC_FONTS
/*************************************************************************/
/* */
/* Guessing methods to access embedded resource forks */
/* */
/* Enable extra Mac fonts support on non-Mac platforms (e.g. */
/* GNU/Linux). */
/* */
/* Resource forks which include fonts data are stored sometimes in */
/* locations which users or developers don't expected. In some cases, */
/* resource forks start with some offset from the head of a file. In */
/* other cases, the actual resource fork is stored in file different */
/* from what the user specifies. If this option is activated, */
/* FreeType tries to guess whether such offsets or different file */
/* names must be used. */
/* */
/* Note that normal, direct access of resource forks is controlled via */
/* the FT_CONFIG_OPTION_MAC_FONTS option. */
/* */
#ifdef FT_CONFIG_OPTION_MAC_FONTS
#define FT_CONFIG_OPTION_GUESSING_EMBEDDED_RFORK
#endif
/*************************************************************************/
/* */
/* 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. */
/* */
#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 */
/* af_glyph_hints_get_num_segments */
/* af_glyph_hints_get_segment_offset */
/* */
/* 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. [Note that standard compilers like gcc or */
/* clang handle PIC generation automatically; you don't have to set */
/* FT_CONFIG_OPTION_PIC, which is only necessary for very special */
/* compilers.] */
/* */
/* Note that FT_CONFIG_OPTION_PIC support is not available for all */
/* modules (see `modules.cfg' for a complete list). For building with */
/* FT_CONFIG_OPTION_PIC support, do the following. */
/* */
/* 0. Clone the repository. */
/* 1. Define FT_CONFIG_OPTION_PIC. */
/* 2. Remove all subdirectories in `src' that don't have */
/* FT_CONFIG_OPTION_PIC support. */
/* 3. Comment out the corresponding modules in `modules.cfg'. */
/* 4. Compile. */
/* */
/* #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 */
/* subpixel hinting support into the TrueType driver. This modifies the */
/* TrueType hinting mechanism when anything but FT_RENDER_MODE_MONO is */
/* requested. */
/* */
/* In particular, it modifies the bytecode interpreter to interpret (or */
/* not) instructions in a certain way so that all TrueType fonts look */
/* like they do in a Windows ClearType (DirectWrite) environment. See */
/* [1] for a technical overview on what this means. See `ttinterp.h' */
/* for more details on the LEAN option. */
/* */
/* There are three possible values. */
/* */
/* Value 1: */
/* This value is associated with the `Infinality' moniker, */
/* contributed by an individual nicknamed Infinality with the goal of */
/* making TrueType fonts render better than on Windows. A high */
/* amount of configurability and flexibility, down to rules for */
/* single glyphs in fonts, but also very slow. Its experimental and */
/* slow nature and the original developer losing interest meant that */
/* this option was never enabled in default builds. */
/* */
/* The corresponding interpreter version is v38. */
/* */
/* Value 2: */
/* The new default mode for the TrueType driver. The Infinality code */
/* base was stripped to the bare minimum and all configurability */
/* removed in the name of speed and simplicity. The configurability */
/* was mainly aimed at legacy fonts like Arial, Times New Roman, or */
/* Courier. Legacy fonts are fonts that modify vertical stems to */
/* achieve clean black-and-white bitmaps. The new mode focuses on */
/* applying a minimal set of rules to all fonts indiscriminately so */
/* that modern and web fonts render well while legacy fonts render */
/* okay. */
/* */
/* The corresponding interpreter version is v40. */
/* */
/* Value 3: */
/* Compile both, making both v38 and v40 available (the latter is the */
/* default). */
/* */
/* By undefining these, you get rendering behavior like on Windows */
/* without ClearType, i.e., Windows XP without ClearType enabled and */
/* Win9x (interpreter version v35). Or not, depending on how much */
/* hinting blood and testing tears the font designer put into a given */
/* font. If you define one or both subpixel hinting options, you can */
/* switch between between v35 and the ones you define (using */
/* `FT_Property_Set'). */
/* */
/* This option requires TT_CONFIG_OPTION_BYTECODE_INTERPRETER to be */
/* defined. */
/* */
/* [1] http://www.microsoft.com/typography/cleartype/truetypecleartype.aspx */
/* */
/* #define TT_CONFIG_OPTION_SUBPIXEL_HINTING 1 */
#define TT_CONFIG_OPTION_SUBPIXEL_HINTING 2
/* #define TT_CONFIG_OPTION_SUBPIXEL_HINTING ( 1 | 2 ) */
/*************************************************************************/
/* */
/* 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 */
/* https://developer.apple.com/fonts/TrueType-Reference-Manual/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
/*************************************************************************/
/* */
/* Option TT_CONFIG_OPTION_MAX_RUNNABLE_OPCODES controls the maximum */
/* number of bytecode instructions executed for a single run of the */
/* bytecode interpreter, needed to prevent infinite loops. You don't */
/* want to change this except for very special situations (e.g., making */
/* a library fuzzer spend less time to handle broken fonts). */
/* */
/* It is not expected that this value is ever modified by a configuring */
/* script; instead, it gets surrounded with #ifndef ... #endif so that */
/* the value can be set as a preprocessor option on the compiler's */
/* command line. */
/* */
#ifndef TT_CONFIG_OPTION_MAX_RUNNABLE_OPCODES
#define TT_CONFIG_OPTION_MAX_RUNNABLE_OPCODES 1000000L
#endif
/*************************************************************************/
/*************************************************************************/
/**** ****/
/**** 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 */
/*************************************************************************/
/*************************************************************************/
/**** ****/
/**** P C F D R I V E R C O N F I G U R A T I O N ****/
/**** ****/
/*************************************************************************/
/*************************************************************************/
/*************************************************************************/
/* */
/* There are many PCF fonts just called `Fixed' which look completely */
/* different, and which have nothing to do with each other. When */
/* selecting `Fixed' in KDE or Gnome one gets results that appear rather */
/* random, the style changes often if one changes the size and one */
/* cannot select some fonts at all. This option makes the PCF module */
/* prepend the foundry name (plus a space) to the family name. */
/* */
/* We also check whether we have `wide' characters; all put together, we */
/* get family names like `Sony Fixed' or `Misc Fixed Wide'. */
/* */
/* If this option is activated, it can be controlled with the */
/* `no-long-family-names' property of the pcf driver module. */
/* */
/* #define PCF_CONFIG_OPTION_LONG_FAMILY_NAMES */
/*************************************************************************/
/*************************************************************************/
/**** ****/
/**** 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 fallback Indic script support, covering */
/* some scripts that the `latin' submodule of the autofit module doesn't */
/* (yet) handle. */
/* */
#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 active only if the rendering mode is */
/* FT_RENDER_MODE_LIGHT; you can switch warping on and off with the */
/* `warping' property of the auto-hinter (see file `ftautoh.h' for more */
/* information; by default it is switched off). */
/* */
#define AF_CONFIG_OPTION_USE_WARPER
/*************************************************************************/
/* */
/* Use TrueType-like size metrics for `light' auto-hinting. */
/* */
/* It is strongly recommended to avoid this option, which exists only to */
/* help some legacy applications retain its appearance and behaviour */
/* with respect to auto-hinted TrueType fonts. */
/* */
/* The very reason this option exists at all are GNU/Linux distributions */
/* like Fedora that did not un-patch the following change (which was */
/* present in FreeType between versions 2.4.6 and 2.7.1, inclusive). */
/* */
/* 2011-07-16 Steven Chu <steven.f.chu@gmail.com> */
/* */
/* [truetype] Fix metrics on size request for scalable fonts. */
/* */
/* This problematic commit is now reverted (more or less). */
/* */
/* #define AF_CONFIG_OPTION_TT_SIZE_METRICS */
/* */
/*
* This macro is obsolete. Support has been removed in FreeType
* version 2.5.
*/
#define FT_CONFIG_OPTION_OLD_INTERNALS
/*
* This macro is defined if native TrueType hinting is requested by the
* definitions above.
*/
#ifdef TT_CONFIG_OPTION_BYTECODE_INTERPRETER
#define TT_USE_BYTECODE_INTERPRETER
#ifdef TT_CONFIG_OPTION_SUBPIXEL_HINTING
#if TT_CONFIG_OPTION_SUBPIXEL_HINTING & 1
#define TT_SUPPORT_SUBPIXEL_HINTING_INFINALITY
#endif
#if TT_CONFIG_OPTION_SUBPIXEL_HINTING & 2
#define TT_SUPPORT_SUBPIXEL_HINTING_MINIMAL
#endif
#endif
#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 */