vrshoot
diff libs/ft2static/freetype/config/ftoption.h @ 0:b2f14e535253
initial commit
| author | John Tsiombikas <nuclear@member.fsf.org> |
|---|---|
| date | Sat, 01 Feb 2014 19:58:19 +0200 |
| parents | |
| children |
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1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000 1.2 +++ b/libs/ft2static/freetype/config/ftoption.h Sat Feb 01 19:58:19 2014 +0200 1.3 @@ -0,0 +1,733 @@ 1.4 +/***************************************************************************/ 1.5 +/* */ 1.6 +/* ftoption.h */ 1.7 +/* */ 1.8 +/* User-selectable configuration macros (specification only). */ 1.9 +/* */ 1.10 +/* Copyright 1996-2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, */ 1.11 +/* 2010 by */ 1.12 +/* David Turner, Robert Wilhelm, and Werner Lemberg. */ 1.13 +/* */ 1.14 +/* This file is part of the FreeType project, and may only be used, */ 1.15 +/* modified, and distributed under the terms of the FreeType project */ 1.16 +/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ 1.17 +/* this file you indicate that you have read the license and */ 1.18 +/* understand and accept it fully. */ 1.19 +/* */ 1.20 +/***************************************************************************/ 1.21 + 1.22 + 1.23 +#ifndef __FTOPTION_H__ 1.24 +#define __FTOPTION_H__ 1.25 + 1.26 + 1.27 +#include <ft2build.h> 1.28 + 1.29 + 1.30 +FT_BEGIN_HEADER 1.31 + 1.32 + /*************************************************************************/ 1.33 + /* */ 1.34 + /* USER-SELECTABLE CONFIGURATION MACROS */ 1.35 + /* */ 1.36 + /* This file contains the default configuration macro definitions for */ 1.37 + /* a standard build of the FreeType library. There are three ways to */ 1.38 + /* use this file to build project-specific versions of the library: */ 1.39 + /* */ 1.40 + /* - You can modify this file by hand, but this is not recommended in */ 1.41 + /* cases where you would like to build several versions of the */ 1.42 + /* library from a single source directory. */ 1.43 + /* */ 1.44 + /* - You can put a copy of this file in your build directory, more */ 1.45 + /* precisely in `$BUILD/freetype/config/ftoption.h', where `$BUILD' */ 1.46 + /* is the name of a directory that is included _before_ the FreeType */ 1.47 + /* include path during compilation. */ 1.48 + /* */ 1.49 + /* The default FreeType Makefiles and Jamfiles use the build */ 1.50 + /* directory `builds/<system>' by default, but you can easily change */ 1.51 + /* that for your own projects. */ 1.52 + /* */ 1.53 + /* - Copy the file <ft2build.h> to `$BUILD/ft2build.h' and modify it */ 1.54 + /* slightly to pre-define the macro FT_CONFIG_OPTIONS_H used to */ 1.55 + /* locate this file during the build. For example, */ 1.56 + /* */ 1.57 + /* #define FT_CONFIG_OPTIONS_H <myftoptions.h> */ 1.58 + /* #include <freetype/config/ftheader.h> */ 1.59 + /* */ 1.60 + /* will use `$BUILD/myftoptions.h' instead of this file for macro */ 1.61 + /* definitions. */ 1.62 + /* */ 1.63 + /* Note also that you can similarly pre-define the macro */ 1.64 + /* FT_CONFIG_MODULES_H used to locate the file listing of the modules */ 1.65 + /* that are statically linked to the library at compile time. By */ 1.66 + /* default, this file is <freetype/config/ftmodule.h>. */ 1.67 + /* */ 1.68 + /* We highly recommend using the third method whenever possible. */ 1.69 + /* */ 1.70 + /*************************************************************************/ 1.71 + 1.72 + 1.73 + /*************************************************************************/ 1.74 + /*************************************************************************/ 1.75 + /**** ****/ 1.76 + /**** 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 ****/ 1.77 + /**** ****/ 1.78 + /*************************************************************************/ 1.79 + /*************************************************************************/ 1.80 + 1.81 + 1.82 + /*************************************************************************/ 1.83 + /* */ 1.84 + /* Uncomment the line below if you want to activate sub-pixel rendering */ 1.85 + /* (a.k.a. LCD rendering, or ClearType) in this build of the library. */ 1.86 + /* */ 1.87 + /* Note that this feature is covered by several Microsoft patents */ 1.88 + /* and should not be activated in any default build of the library. */ 1.89 + /* */ 1.90 + /* This macro has no impact on the FreeType API, only on its */ 1.91 + /* _implementation_. For example, using FT_RENDER_MODE_LCD when calling */ 1.92 + /* FT_Render_Glyph still generates a bitmap that is 3 times wider than */ 1.93 + /* the original size in case this macro isn't defined; however, each */ 1.94 + /* triplet of subpixels has R=G=B. */ 1.95 + /* */ 1.96 + /* This is done to allow FreeType clients to run unmodified, forcing */ 1.97 + /* them to display normal gray-level anti-aliased glyphs. */ 1.98 + /* */ 1.99 +/* #define FT_CONFIG_OPTION_SUBPIXEL_RENDERING */ 1.100 + 1.101 + 1.102 + /*************************************************************************/ 1.103 + /* */ 1.104 + /* Many compilers provide a non-ANSI 64-bit data type that can be used */ 1.105 + /* by FreeType to speed up some computations. However, this will create */ 1.106 + /* some problems when compiling the library in strict ANSI mode. */ 1.107 + /* */ 1.108 + /* For this reason, the use of 64-bit integers is normally disabled when */ 1.109 + /* the __STDC__ macro is defined. You can however disable this by */ 1.110 + /* defining the macro FT_CONFIG_OPTION_FORCE_INT64 here. */ 1.111 + /* */ 1.112 + /* For most compilers, this will only create compilation warnings when */ 1.113 + /* building the library. */ 1.114 + /* */ 1.115 + /* ObNote: The compiler-specific 64-bit integers are detected in the */ 1.116 + /* file `ftconfig.h' either statically or through the */ 1.117 + /* `configure' script on supported platforms. */ 1.118 + /* */ 1.119 +#undef FT_CONFIG_OPTION_FORCE_INT64 1.120 + 1.121 + 1.122 + /*************************************************************************/ 1.123 + /* */ 1.124 + /* If this macro is defined, do not try to use an assembler version of */ 1.125 + /* performance-critical functions (e.g. FT_MulFix). You should only do */ 1.126 + /* that to verify that the assembler function works properly, or to */ 1.127 + /* execute benchmark tests of the various implementations. */ 1.128 +/* #define FT_CONFIG_OPTION_NO_ASSEMBLER */ 1.129 + 1.130 + 1.131 + /*************************************************************************/ 1.132 + /* */ 1.133 + /* If this macro is defined, try to use an inlined assembler version of */ 1.134 + /* the `FT_MulFix' function, which is a `hotspot' when loading and */ 1.135 + /* hinting glyphs, and which should be executed as fast as possible. */ 1.136 + /* */ 1.137 + /* Note that if your compiler or CPU is not supported, this will default */ 1.138 + /* to the standard and portable implementation found in `ftcalc.c'. */ 1.139 + /* */ 1.140 +#define FT_CONFIG_OPTION_INLINE_MULFIX 1.141 + 1.142 + 1.143 + /*************************************************************************/ 1.144 + /* */ 1.145 + /* LZW-compressed file support. */ 1.146 + /* */ 1.147 + /* FreeType now handles font files that have been compressed with the */ 1.148 + /* `compress' program. This is mostly used to parse many of the PCF */ 1.149 + /* files that come with various X11 distributions. The implementation */ 1.150 + /* uses NetBSD's `zopen' to partially uncompress the file on the fly */ 1.151 + /* (see src/lzw/ftgzip.c). */ 1.152 + /* */ 1.153 + /* Define this macro if you want to enable this `feature'. */ 1.154 + /* */ 1.155 +#define FT_CONFIG_OPTION_USE_LZW 1.156 + 1.157 + 1.158 + /*************************************************************************/ 1.159 + /* */ 1.160 + /* Gzip-compressed file support. */ 1.161 + /* */ 1.162 + /* FreeType now handles font files that have been compressed with the */ 1.163 + /* `gzip' program. This is mostly used to parse many of the PCF files */ 1.164 + /* that come with XFree86. The implementation uses `zlib' to */ 1.165 + /* partially uncompress the file on the fly (see src/gzip/ftgzip.c). */ 1.166 + /* */ 1.167 + /* Define this macro if you want to enable this `feature'. See also */ 1.168 + /* the macro FT_CONFIG_OPTION_SYSTEM_ZLIB below. */ 1.169 + /* */ 1.170 +#define FT_CONFIG_OPTION_USE_ZLIB 1.171 + 1.172 + 1.173 + /*************************************************************************/ 1.174 + /* */ 1.175 + /* ZLib library selection */ 1.176 + /* */ 1.177 + /* This macro is only used when FT_CONFIG_OPTION_USE_ZLIB is defined. */ 1.178 + /* It allows FreeType's `ftgzip' component to link to the system's */ 1.179 + /* installation of the ZLib library. This is useful on systems like */ 1.180 + /* Unix or VMS where it generally is already available. */ 1.181 + /* */ 1.182 + /* If you let it undefined, the component will use its own copy */ 1.183 + /* of the zlib sources instead. These have been modified to be */ 1.184 + /* included directly within the component and *not* export external */ 1.185 + /* function names. This allows you to link any program with FreeType */ 1.186 + /* _and_ ZLib without linking conflicts. */ 1.187 + /* */ 1.188 + /* Do not #undef this macro here since the build system might define */ 1.189 + /* it for certain configurations only. */ 1.190 + /* */ 1.191 +/* #define FT_CONFIG_OPTION_SYSTEM_ZLIB */ 1.192 + 1.193 + 1.194 + /*************************************************************************/ 1.195 + /* */ 1.196 + /* DLL export compilation */ 1.197 + /* */ 1.198 + /* When compiling FreeType as a DLL, some systems/compilers need a */ 1.199 + /* special keyword in front OR after the return type of function */ 1.200 + /* declarations. */ 1.201 + /* */ 1.202 + /* Two macros are used within the FreeType source code to define */ 1.203 + /* exported library functions: FT_EXPORT and FT_EXPORT_DEF. */ 1.204 + /* */ 1.205 + /* FT_EXPORT( return_type ) */ 1.206 + /* */ 1.207 + /* is used in a function declaration, as in */ 1.208 + /* */ 1.209 + /* FT_EXPORT( FT_Error ) */ 1.210 + /* FT_Init_FreeType( FT_Library* alibrary ); */ 1.211 + /* */ 1.212 + /* */ 1.213 + /* FT_EXPORT_DEF( return_type ) */ 1.214 + /* */ 1.215 + /* is used in a function definition, as in */ 1.216 + /* */ 1.217 + /* FT_EXPORT_DEF( FT_Error ) */ 1.218 + /* FT_Init_FreeType( FT_Library* alibrary ) */ 1.219 + /* { */ 1.220 + /* ... some code ... */ 1.221 + /* return FT_Err_Ok; */ 1.222 + /* } */ 1.223 + /* */ 1.224 + /* You can provide your own implementation of FT_EXPORT and */ 1.225 + /* FT_EXPORT_DEF here if you want. If you leave them undefined, they */ 1.226 + /* will be later automatically defined as `extern return_type' to */ 1.227 + /* allow normal compilation. */ 1.228 + /* */ 1.229 + /* Do not #undef these macros here since the build system might define */ 1.230 + /* them for certain configurations only. */ 1.231 + /* */ 1.232 +/* #define FT_EXPORT(x) extern x */ 1.233 +/* #define FT_EXPORT_DEF(x) x */ 1.234 + 1.235 + 1.236 + /*************************************************************************/ 1.237 + /* */ 1.238 + /* Glyph Postscript Names handling */ 1.239 + /* */ 1.240 + /* By default, FreeType 2 is compiled with the `psnames' module. This */ 1.241 + /* module is in charge of converting a glyph name string into a */ 1.242 + /* Unicode value, or return a Macintosh standard glyph name for the */ 1.243 + /* use with the TrueType `post' table. */ 1.244 + /* */ 1.245 + /* Undefine this macro if you do not want `psnames' compiled in your */ 1.246 + /* build of FreeType. This has the following effects: */ 1.247 + /* */ 1.248 + /* - The TrueType driver will provide its own set of glyph names, */ 1.249 + /* if you build it to support postscript names in the TrueType */ 1.250 + /* `post' table. */ 1.251 + /* */ 1.252 + /* - The Type 1 driver will not be able to synthesize a Unicode */ 1.253 + /* charmap out of the glyphs found in the fonts. */ 1.254 + /* */ 1.255 + /* You would normally undefine this configuration macro when building */ 1.256 + /* a version of FreeType that doesn't contain a Type 1 or CFF driver. */ 1.257 + /* */ 1.258 +#define FT_CONFIG_OPTION_POSTSCRIPT_NAMES 1.259 + 1.260 + 1.261 + /*************************************************************************/ 1.262 + /* */ 1.263 + /* Postscript Names to Unicode Values support */ 1.264 + /* */ 1.265 + /* By default, FreeType 2 is built with the `PSNames' module compiled */ 1.266 + /* in. Among other things, the module is used to convert a glyph name */ 1.267 + /* into a Unicode value. This is especially useful in order to */ 1.268 + /* synthesize on the fly a Unicode charmap from the CFF/Type 1 driver */ 1.269 + /* through a big table named the `Adobe Glyph List' (AGL). */ 1.270 + /* */ 1.271 + /* Undefine this macro if you do not want the Adobe Glyph List */ 1.272 + /* compiled in your `PSNames' module. The Type 1 driver will not be */ 1.273 + /* able to synthesize a Unicode charmap out of the glyphs found in the */ 1.274 + /* fonts. */ 1.275 + /* */ 1.276 +#define FT_CONFIG_OPTION_ADOBE_GLYPH_LIST 1.277 + 1.278 + 1.279 + /*************************************************************************/ 1.280 + /* */ 1.281 + /* Support for Mac fonts */ 1.282 + /* */ 1.283 + /* Define this macro if you want support for outline fonts in Mac */ 1.284 + /* format (mac dfont, mac resource, macbinary containing a mac */ 1.285 + /* resource) on non-Mac platforms. */ 1.286 + /* */ 1.287 + /* Note that the `FOND' resource isn't checked. */ 1.288 + /* */ 1.289 +#define FT_CONFIG_OPTION_MAC_FONTS 1.290 + 1.291 + 1.292 + /*************************************************************************/ 1.293 + /* */ 1.294 + /* Guessing methods to access embedded resource forks */ 1.295 + /* */ 1.296 + /* Enable extra Mac fonts support on non-Mac platforms (e.g. */ 1.297 + /* GNU/Linux). */ 1.298 + /* */ 1.299 + /* Resource forks which include fonts data are stored sometimes in */ 1.300 + /* locations which users or developers don't expected. In some cases, */ 1.301 + /* resource forks start with some offset from the head of a file. In */ 1.302 + /* other cases, the actual resource fork is stored in file different */ 1.303 + /* from what the user specifies. If this option is activated, */ 1.304 + /* FreeType tries to guess whether such offsets or different file */ 1.305 + /* names must be used. */ 1.306 + /* */ 1.307 + /* Note that normal, direct access of resource forks is controlled via */ 1.308 + /* the FT_CONFIG_OPTION_MAC_FONTS option. */ 1.309 + /* */ 1.310 +#ifdef FT_CONFIG_OPTION_MAC_FONTS 1.311 +#define FT_CONFIG_OPTION_GUESSING_EMBEDDED_RFORK 1.312 +#endif 1.313 + 1.314 + 1.315 + /*************************************************************************/ 1.316 + /* */ 1.317 + /* Allow the use of FT_Incremental_Interface to load typefaces that */ 1.318 + /* contain no glyph data, but supply it via a callback function. */ 1.319 + /* This is required by clients supporting document formats which */ 1.320 + /* supply font data incrementally as the document is parsed, such */ 1.321 + /* as the Ghostscript interpreter for the PostScript language. */ 1.322 + /* */ 1.323 +#define FT_CONFIG_OPTION_INCREMENTAL 1.324 + 1.325 + 1.326 + /*************************************************************************/ 1.327 + /* */ 1.328 + /* The size in bytes of the render pool used by the scan-line converter */ 1.329 + /* to do all of its work. */ 1.330 + /* */ 1.331 + /* This must be greater than 4KByte if you use FreeType to rasterize */ 1.332 + /* glyphs; otherwise, you may set it to zero to avoid unnecessary */ 1.333 + /* allocation of the render pool. */ 1.334 + /* */ 1.335 +#define FT_RENDER_POOL_SIZE 16384L 1.336 + 1.337 + 1.338 + /*************************************************************************/ 1.339 + /* */ 1.340 + /* FT_MAX_MODULES */ 1.341 + /* */ 1.342 + /* The maximum number of modules that can be registered in a single */ 1.343 + /* FreeType library object. 32 is the default. */ 1.344 + /* */ 1.345 +#define FT_MAX_MODULES 32 1.346 + 1.347 + 1.348 + /*************************************************************************/ 1.349 + /* */ 1.350 + /* Debug level */ 1.351 + /* */ 1.352 + /* FreeType can be compiled in debug or trace mode. In debug mode, */ 1.353 + /* errors are reported through the `ftdebug' component. In trace */ 1.354 + /* mode, additional messages are sent to the standard output during */ 1.355 + /* execution. */ 1.356 + /* */ 1.357 + /* Define FT_DEBUG_LEVEL_ERROR to build the library in debug mode. */ 1.358 + /* Define FT_DEBUG_LEVEL_TRACE to build it in trace mode. */ 1.359 + /* */ 1.360 + /* Don't define any of these macros to compile in `release' mode! */ 1.361 + /* */ 1.362 + /* Do not #undef these macros here since the build system might define */ 1.363 + /* them for certain configurations only. */ 1.364 + /* */ 1.365 +/* #define FT_DEBUG_LEVEL_ERROR */ 1.366 +/* #define FT_DEBUG_LEVEL_TRACE */ 1.367 + 1.368 + 1.369 + /*************************************************************************/ 1.370 + /* */ 1.371 + /* Memory Debugging */ 1.372 + /* */ 1.373 + /* FreeType now comes with an integrated memory debugger that is */ 1.374 + /* capable of detecting simple errors like memory leaks or double */ 1.375 + /* deletes. To compile it within your build of the library, you */ 1.376 + /* should define FT_DEBUG_MEMORY here. */ 1.377 + /* */ 1.378 + /* Note that the memory debugger is only activated at runtime when */ 1.379 + /* when the _environment_ variable `FT2_DEBUG_MEMORY' is defined also! */ 1.380 + /* */ 1.381 + /* Do not #undef this macro here since the build system might define */ 1.382 + /* it for certain configurations only. */ 1.383 + /* */ 1.384 +/* #define FT_DEBUG_MEMORY */ 1.385 + 1.386 + 1.387 + /*************************************************************************/ 1.388 + /* */ 1.389 + /* Module errors */ 1.390 + /* */ 1.391 + /* If this macro is set (which is _not_ the default), the higher byte */ 1.392 + /* of an error code gives the module in which the error has occurred, */ 1.393 + /* while the lower byte is the real error code. */ 1.394 + /* */ 1.395 + /* Setting this macro makes sense for debugging purposes only, since */ 1.396 + /* it would break source compatibility of certain programs that use */ 1.397 + /* FreeType 2. */ 1.398 + /* */ 1.399 + /* More details can be found in the files ftmoderr.h and fterrors.h. */ 1.400 + /* */ 1.401 +#undef FT_CONFIG_OPTION_USE_MODULE_ERRORS 1.402 + 1.403 + 1.404 + /*************************************************************************/ 1.405 + /* */ 1.406 + /* Position Independent Code */ 1.407 + /* */ 1.408 + /* If this macro is set (which is _not_ the default), FreeType2 will */ 1.409 + /* avoid creating constants that require address fixups. Instead the */ 1.410 + /* constants will be moved into a struct and additional intialization */ 1.411 + /* code will be used. */ 1.412 + /* */ 1.413 + /* Setting this macro is needed for systems that prohibit address */ 1.414 + /* fixups, such as BREW. */ 1.415 + /* */ 1.416 +/* #define FT_CONFIG_OPTION_PIC */ 1.417 + 1.418 + 1.419 + /*************************************************************************/ 1.420 + /*************************************************************************/ 1.421 + /**** ****/ 1.422 + /**** S F N T D R I V E R C O N F I G U R A T I O N ****/ 1.423 + /**** ****/ 1.424 + /*************************************************************************/ 1.425 + /*************************************************************************/ 1.426 + 1.427 + 1.428 + /*************************************************************************/ 1.429 + /* */ 1.430 + /* Define TT_CONFIG_OPTION_EMBEDDED_BITMAPS if you want to support */ 1.431 + /* embedded bitmaps in all formats using the SFNT module (namely */ 1.432 + /* TrueType & OpenType). */ 1.433 + /* */ 1.434 +#define TT_CONFIG_OPTION_EMBEDDED_BITMAPS 1.435 + 1.436 + 1.437 + /*************************************************************************/ 1.438 + /* */ 1.439 + /* Define TT_CONFIG_OPTION_POSTSCRIPT_NAMES if you want to be able to */ 1.440 + /* load and enumerate the glyph Postscript names in a TrueType or */ 1.441 + /* OpenType file. */ 1.442 + /* */ 1.443 + /* Note that when you do not compile the `PSNames' module by undefining */ 1.444 + /* the above FT_CONFIG_OPTION_POSTSCRIPT_NAMES, the `sfnt' module will */ 1.445 + /* contain additional code used to read the PS Names table from a font. */ 1.446 + /* */ 1.447 + /* (By default, the module uses `PSNames' to extract glyph names.) */ 1.448 + /* */ 1.449 +#define TT_CONFIG_OPTION_POSTSCRIPT_NAMES 1.450 + 1.451 + 1.452 + /*************************************************************************/ 1.453 + /* */ 1.454 + /* Define TT_CONFIG_OPTION_SFNT_NAMES if your applications need to */ 1.455 + /* access the internal name table in a SFNT-based format like TrueType */ 1.456 + /* or OpenType. The name table contains various strings used to */ 1.457 + /* describe the font, like family name, copyright, version, etc. It */ 1.458 + /* does not contain any glyph name though. */ 1.459 + /* */ 1.460 + /* Accessing SFNT names is done through the functions declared in */ 1.461 + /* `freetype/ftsnames.h'. */ 1.462 + /* */ 1.463 +#define TT_CONFIG_OPTION_SFNT_NAMES 1.464 + 1.465 + 1.466 + /*************************************************************************/ 1.467 + /* */ 1.468 + /* TrueType CMap support */ 1.469 + /* */ 1.470 + /* Here you can fine-tune which TrueType CMap table format shall be */ 1.471 + /* supported. */ 1.472 +#define TT_CONFIG_CMAP_FORMAT_0 1.473 +#define TT_CONFIG_CMAP_FORMAT_2 1.474 +#define TT_CONFIG_CMAP_FORMAT_4 1.475 +#define TT_CONFIG_CMAP_FORMAT_6 1.476 +#define TT_CONFIG_CMAP_FORMAT_8 1.477 +#define TT_CONFIG_CMAP_FORMAT_10 1.478 +#define TT_CONFIG_CMAP_FORMAT_12 1.479 +#define TT_CONFIG_CMAP_FORMAT_13 1.480 +#define TT_CONFIG_CMAP_FORMAT_14 1.481 + 1.482 + 1.483 + /*************************************************************************/ 1.484 + /*************************************************************************/ 1.485 + /**** ****/ 1.486 + /**** 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 ****/ 1.487 + /**** ****/ 1.488 + /*************************************************************************/ 1.489 + /*************************************************************************/ 1.490 + 1.491 + /*************************************************************************/ 1.492 + /* */ 1.493 + /* Define TT_CONFIG_OPTION_BYTECODE_INTERPRETER if you want to compile */ 1.494 + /* a bytecode interpreter in the TrueType driver. */ 1.495 + /* */ 1.496 + /* By undefining this, you will only compile the code necessary to load */ 1.497 + /* TrueType glyphs without hinting. */ 1.498 + /* */ 1.499 + /* Do not #undef this macro here, since the build system might */ 1.500 + /* define it for certain configurations only. */ 1.501 + /* */ 1.502 +#define TT_CONFIG_OPTION_BYTECODE_INTERPRETER 1.503 + 1.504 + 1.505 + /*************************************************************************/ 1.506 + /* */ 1.507 + /* If you define TT_CONFIG_OPTION_UNPATENTED_HINTING, a special version */ 1.508 + /* of the TrueType bytecode interpreter is used that doesn't implement */ 1.509 + /* any of the patented opcodes and algorithms. The patents related to */ 1.510 + /* TrueType hinting have expired worldwide since May 2010; this option */ 1.511 + /* is now deprecated. */ 1.512 + /* */ 1.513 + /* Note that the TT_CONFIG_OPTION_UNPATENTED_HINTING macro is *ignored* */ 1.514 + /* if you define TT_CONFIG_OPTION_BYTECODE_INTERPRETER; in other words, */ 1.515 + /* either define TT_CONFIG_OPTION_BYTECODE_INTERPRETER or */ 1.516 + /* TT_CONFIG_OPTION_UNPATENTED_HINTING but not both at the same time. */ 1.517 + /* */ 1.518 + /* This macro is only useful for a small number of font files (mostly */ 1.519 + /* for Asian scripts) that require bytecode interpretation to properly */ 1.520 + /* load glyphs. For all other fonts, this produces unpleasant results, */ 1.521 + /* thus the unpatented interpreter is never used to load glyphs from */ 1.522 + /* TrueType fonts unless one of the following two options is used. */ 1.523 + /* */ 1.524 + /* - The unpatented interpreter is explicitly activated by the user */ 1.525 + /* through the FT_PARAM_TAG_UNPATENTED_HINTING parameter tag */ 1.526 + /* when opening the FT_Face. */ 1.527 + /* */ 1.528 + /* - FreeType detects that the FT_Face corresponds to one of the */ 1.529 + /* `trick' fonts (e.g., `Mingliu') it knows about. The font engine */ 1.530 + /* contains a hard-coded list of font names and other matching */ 1.531 + /* parameters (see function `tt_face_init' in file */ 1.532 + /* `src/truetype/ttobjs.c'). */ 1.533 + /* */ 1.534 + /* Here a sample code snippet for using FT_PARAM_TAG_UNPATENTED_HINTING. */ 1.535 + /* */ 1.536 + /* { */ 1.537 + /* FT_Parameter parameter; */ 1.538 + /* FT_Open_Args open_args; */ 1.539 + /* */ 1.540 + /* */ 1.541 + /* parameter.tag = FT_PARAM_TAG_UNPATENTED_HINTING; */ 1.542 + /* */ 1.543 + /* open_args.flags = FT_OPEN_PATHNAME | FT_OPEN_PARAMS; */ 1.544 + /* open_args.pathname = my_font_pathname; */ 1.545 + /* open_args.num_params = 1; */ 1.546 + /* open_args.params = ¶meter; */ 1.547 + /* */ 1.548 + /* error = FT_Open_Face( library, &open_args, index, &face ); */ 1.549 + /* ... */ 1.550 + /* } */ 1.551 + /* */ 1.552 +/* #define TT_CONFIG_OPTION_UNPATENTED_HINTING */ 1.553 + 1.554 + 1.555 + /*************************************************************************/ 1.556 + /* */ 1.557 + /* Define TT_CONFIG_OPTION_INTERPRETER_SWITCH to compile the TrueType */ 1.558 + /* bytecode interpreter with a huge switch statement, rather than a call */ 1.559 + /* table. This results in smaller and faster code for a number of */ 1.560 + /* architectures. */ 1.561 + /* */ 1.562 + /* Note however that on some compiler/processor combinations, undefining */ 1.563 + /* this macro will generate faster, though larger, code. */ 1.564 + /* */ 1.565 +#define TT_CONFIG_OPTION_INTERPRETER_SWITCH 1.566 + 1.567 + 1.568 + /*************************************************************************/ 1.569 + /* */ 1.570 + /* Define TT_CONFIG_OPTION_COMPONENT_OFFSET_SCALED to compile the */ 1.571 + /* TrueType glyph loader to use Apple's definition of how to handle */ 1.572 + /* component offsets in composite glyphs. */ 1.573 + /* */ 1.574 + /* Apple and MS disagree on the default behavior of component offsets */ 1.575 + /* in composites. Apple says that they should be scaled by the scaling */ 1.576 + /* factors in the transformation matrix (roughly, it's more complex) */ 1.577 + /* while MS says they should not. OpenType defines two bits in the */ 1.578 + /* composite flags array which can be used to disambiguate, but old */ 1.579 + /* fonts will not have them. */ 1.580 + /* */ 1.581 + /* http://partners.adobe.com/asn/developer/opentype/glyf.html */ 1.582 + /* http://fonts.apple.com/TTRefMan/RM06/Chap6glyf.html */ 1.583 + /* */ 1.584 +#undef TT_CONFIG_OPTION_COMPONENT_OFFSET_SCALED 1.585 + 1.586 + 1.587 + /*************************************************************************/ 1.588 + /* */ 1.589 + /* Define TT_CONFIG_OPTION_GX_VAR_SUPPORT if you want to include */ 1.590 + /* support for Apple's distortable font technology (fvar, gvar, cvar, */ 1.591 + /* and avar tables). This has many similarities to Type 1 Multiple */ 1.592 + /* Masters support. */ 1.593 + /* */ 1.594 +#define TT_CONFIG_OPTION_GX_VAR_SUPPORT 1.595 + 1.596 + 1.597 + /*************************************************************************/ 1.598 + /* */ 1.599 + /* Define TT_CONFIG_OPTION_BDF if you want to include support for */ 1.600 + /* an embedded `BDF ' table within SFNT-based bitmap formats. */ 1.601 + /* */ 1.602 +#define TT_CONFIG_OPTION_BDF 1.603 + 1.604 + 1.605 + /*************************************************************************/ 1.606 + /*************************************************************************/ 1.607 + /**** ****/ 1.608 + /**** T Y P E 1 D R I V E R C O N F I G U R A T I O N ****/ 1.609 + /**** ****/ 1.610 + /*************************************************************************/ 1.611 + /*************************************************************************/ 1.612 + 1.613 + 1.614 + /*************************************************************************/ 1.615 + /* */ 1.616 + /* T1_MAX_DICT_DEPTH is the maximal depth of nest dictionaries and */ 1.617 + /* arrays in the Type 1 stream (see t1load.c). A minimum of 4 is */ 1.618 + /* required. */ 1.619 + /* */ 1.620 +#define T1_MAX_DICT_DEPTH 5 1.621 + 1.622 + 1.623 + /*************************************************************************/ 1.624 + /* */ 1.625 + /* T1_MAX_SUBRS_CALLS details the maximum number of nested sub-routine */ 1.626 + /* calls during glyph loading. */ 1.627 + /* */ 1.628 +#define T1_MAX_SUBRS_CALLS 16 1.629 + 1.630 + 1.631 + /*************************************************************************/ 1.632 + /* */ 1.633 + /* T1_MAX_CHARSTRING_OPERANDS is the charstring stack's capacity. A */ 1.634 + /* minimum of 16 is required. */ 1.635 + /* */ 1.636 + /* The Chinese font MingTiEG-Medium (CNS 11643 character set) needs 256. */ 1.637 + /* */ 1.638 +#define T1_MAX_CHARSTRINGS_OPERANDS 256 1.639 + 1.640 + 1.641 + /*************************************************************************/ 1.642 + /* */ 1.643 + /* Define this configuration macro if you want to prevent the */ 1.644 + /* compilation of `t1afm', which is in charge of reading Type 1 AFM */ 1.645 + /* files into an existing face. Note that if set, the T1 driver will be */ 1.646 + /* unable to produce kerning distances. */ 1.647 + /* */ 1.648 +#undef T1_CONFIG_OPTION_NO_AFM 1.649 + 1.650 + 1.651 + /*************************************************************************/ 1.652 + /* */ 1.653 + /* Define this configuration macro if you want to prevent the */ 1.654 + /* compilation of the Multiple Masters font support in the Type 1 */ 1.655 + /* driver. */ 1.656 + /* */ 1.657 +#undef T1_CONFIG_OPTION_NO_MM_SUPPORT 1.658 + 1.659 + 1.660 + /*************************************************************************/ 1.661 + /*************************************************************************/ 1.662 + /**** ****/ 1.663 + /**** 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 ****/ 1.664 + /**** ****/ 1.665 + /*************************************************************************/ 1.666 + /*************************************************************************/ 1.667 + 1.668 + 1.669 + /*************************************************************************/ 1.670 + /* */ 1.671 + /* Compile autofit module with CJK (Chinese, Japanese, Korean) script */ 1.672 + /* support. */ 1.673 + /* */ 1.674 +#define AF_CONFIG_OPTION_CJK 1.675 + 1.676 + /*************************************************************************/ 1.677 + /* */ 1.678 + /* Compile autofit module with Indic script support. */ 1.679 + /* */ 1.680 +#define AF_CONFIG_OPTION_INDIC 1.681 + 1.682 + /* */ 1.683 + 1.684 + 1.685 + /* 1.686 + * Define this variable if you want to keep the layout of internal 1.687 + * structures that was used prior to FreeType 2.2. This also compiles in 1.688 + * a few obsolete functions to avoid linking problems on typical Unix 1.689 + * distributions. 1.690 + * 1.691 + * For embedded systems or building a new distribution from scratch, it 1.692 + * is recommended to disable the macro since it reduces the library's code 1.693 + * size and activates a few memory-saving optimizations as well. 1.694 + */ 1.695 +#define FT_CONFIG_OPTION_OLD_INTERNALS 1.696 + 1.697 + 1.698 + /* 1.699 + * To detect legacy cache-lookup call from a rogue client (<= 2.1.7), 1.700 + * we restrict the number of charmaps in a font. The current API of 1.701 + * FTC_CMapCache_Lookup() takes cmap_index & charcode, but old API 1.702 + * takes charcode only. To determine the passed value is for cmap_index 1.703 + * or charcode, the possible cmap_index is restricted not to exceed 1.704 + * the minimum possible charcode by a rogue client. It is also very 1.705 + * unlikely that a rogue client is interested in Unicode values 0 to 15. 1.706 + * 1.707 + * NOTE: The original threshold was 4 deduced from popular number of 1.708 + * cmap subtables in UCS-4 TrueType fonts, but now it is not 1.709 + * irregular for OpenType fonts to have more than 4 subtables, 1.710 + * because variation selector subtables are available for Apple 1.711 + * and Microsoft platforms. 1.712 + */ 1.713 + 1.714 +#ifdef FT_CONFIG_OPTION_OLD_INTERNALS 1.715 +#define FT_MAX_CHARMAP_CACHEABLE 15 1.716 +#endif 1.717 + 1.718 + 1.719 + /* 1.720 + * This macro is defined if either unpatented or native TrueType 1.721 + * hinting is requested by the definitions above. 1.722 + */ 1.723 +#ifdef TT_CONFIG_OPTION_BYTECODE_INTERPRETER 1.724 +#define TT_USE_BYTECODE_INTERPRETER 1.725 +#undef TT_CONFIG_OPTION_UNPATENTED_HINTING 1.726 +#elif defined TT_CONFIG_OPTION_UNPATENTED_HINTING 1.727 +#define TT_USE_BYTECODE_INTERPRETER 1.728 +#endif 1.729 + 1.730 +FT_END_HEADER 1.731 + 1.732 + 1.733 +#endif /* __FTOPTION_H__ */ 1.734 + 1.735 + 1.736 +/* END */