1/***************************************************************************/
2/* */
3/* ftoption.h */
4/* */
5/* User-selectable configuration macros (specification only). */
6/* */
7/* Copyright 1996-2013 by */
8/* David Turner, Robert Wilhelm, and Werner Lemberg. */
9/* */
10/* This file is part of the FreeType project, and may only be used, */
11/* modified, and distributed under the terms of the FreeType project */
12/* license, LICENSE.TXT. By continuing to use, modify, or distribute */
13/* this file you indicate that you have read the license and */
14/* understand and accept it fully. */
15/* */
16/***************************************************************************/
17
18
19#ifndef __FTOPTION_H__
20#define __FTOPTION_H__
21
22
23#include <ft2build.h>
24
25
26FT_BEGIN_HEADER
27
28 /*************************************************************************/
29 /* */
30 /* USER-SELECTABLE CONFIGURATION MACROS */
31 /* */
32 /* This file contains the default configuration macro definitions for */
33 /* a standard build of the FreeType library. There are three ways to */
34 /* use this file to build project-specific versions of the library: */
35 /* */
36 /* - You can modify this file by hand, but this is not recommended in */
37 /* cases where you would like to build several versions of the */
38 /* library from a single source directory. */
39 /* */
40 /* - You can put a copy of this file in your build directory, more */
41 /* precisely in `$BUILD/config/ftoption.h', where `$BUILD' is the */
42 /* name of a directory that is included _before_ the FreeType include */
43 /* path during compilation. */
44 /* */
45 /* The default FreeType Makefiles and Jamfiles use the build */
46 /* directory `builds/<system>' by default, but you can easily change */
47 /* that for your own projects. */
48 /* */
49 /* - Copy the file <ft2build.h> to `$BUILD/ft2build.h' and modify it */
50 /* slightly to pre-define the macro FT_CONFIG_OPTIONS_H used to */
51 /* locate this file during the build. For example, */
52 /* */
53 /* #define FT_CONFIG_OPTIONS_H <myftoptions.h> */
54 /* #include <config/ftheader.h> */
55 /* */
56 /* will use `$BUILD/myftoptions.h' instead of this file for macro */
57 /* definitions. */
58 /* */
59 /* Note also that you can similarly pre-define the macro */
60 /* FT_CONFIG_MODULES_H used to locate the file listing of the modules */
61 /* that are statically linked to the library at compile time. By */
62 /* default, this file is <config/ftmodule.h>. */
63 /* */
64 /* We highly recommend using the third method whenever possible. */
65 /* */
66 /*************************************************************************/
67
68
69 /*************************************************************************/
70 /*************************************************************************/
71 /**** ****/
72 /**** 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 ****/
73 /**** ****/
74 /*************************************************************************/
75 /*************************************************************************/
76
77
78 /*************************************************************************/
79 /* */
80 /* Uncomment the line below if you want to activate sub-pixel rendering */
81 /* (a.k.a. LCD rendering, or ClearType) in this build of the library. */
82 /* */
83 /* Note that this feature is covered by several Microsoft patents */
84 /* and should not be activated in any default build of the library. */
85 /* */
86 /* This macro has no impact on the FreeType API, only on its */
87 /* _implementation_. For example, using FT_RENDER_MODE_LCD when calling */
88 /* FT_Render_Glyph still generates a bitmap that is 3 times wider than */
89 /* the original size in case this macro isn't defined; however, each */
90 /* triplet of subpixels has R=G=B. */
91 /* */
92 /* This is done to allow FreeType clients to run unmodified, forcing */
93 /* them to display normal gray-level anti-aliased glyphs. */
94 /* */
95#define FT_CONFIG_OPTION_SUBPIXEL_RENDERING
96
97
98 /*************************************************************************/
99 /* */
100 /* Many compilers provide a non-ANSI 64-bit data type that can be used */
101 /* by FreeType to speed up some computations. However, this will create */
102 /* some problems when compiling the library in strict ANSI mode. */
103 /* */
104 /* For this reason, the use of 64-bit integers is normally disabled when */
105 /* the __STDC__ macro is defined. You can however disable this by */
106 /* defining the macro FT_CONFIG_OPTION_FORCE_INT64 here. */
107 /* */
108 /* For most compilers, this will only create compilation warnings when */
109 /* building the library. */
110 /* */
111 /* ObNote: The compiler-specific 64-bit integers are detected in the */
112 /* file `ftconfig.h' either statically or through the */
113 /* `configure' script on supported platforms. */
114 /* */
115#undef FT_CONFIG_OPTION_FORCE_INT64
116
117
118 /*************************************************************************/
119 /* */
120 /* If this macro is defined, do not try to use an assembler version of */
121 /* performance-critical functions (e.g. FT_MulFix). You should only do */
122 /* that to verify that the assembler function works properly, or to */
123 /* execute benchmark tests of the various implementations. */
124/* #define FT_CONFIG_OPTION_NO_ASSEMBLER */
125
126
127 /*************************************************************************/
128 /* */
129 /* If this macro is defined, try to use an inlined assembler version of */
130 /* the `FT_MulFix' function, which is a `hotspot' when loading and */
131 /* hinting glyphs, and which should be executed as fast as possible. */
132 /* */
133 /* Note that if your compiler or CPU is not supported, this will default */
134 /* to the standard and portable implementation found in `ftcalc.c'. */
135 /* */
136#define FT_CONFIG_OPTION_INLINE_MULFIX
137
138
139 /*************************************************************************/
140 /* */
141 /* LZW-compressed file support. */
142 /* */
143 /* FreeType now handles font files that have been compressed with the */
144 /* `compress' program. This is mostly used to parse many of the PCF */
145 /* files that come with various X11 distributions. The implementation */
146 /* uses NetBSD's `zopen' to partially uncompress the file on the fly */
147 /* (see src/lzw/ftgzip.c). */
148 /* */
149 /* Define this macro if you want to enable this `feature'. */
150 /* */
151#define FT_CONFIG_OPTION_USE_LZW
152
153
154 /*************************************************************************/
155 /* */
156 /* Gzip-compressed file support. */
157 /* */
158 /* FreeType now handles font files that have been compressed with the */
159 /* `gzip' program. This is mostly used to parse many of the PCF files */
160 /* that come with XFree86. The implementation uses `zlib' to */
161 /* partially uncompress the file on the fly (see src/gzip/ftgzip.c). */
162 /* */
163 /* Define this macro if you want to enable this `feature'. See also */
164 /* the macro FT_CONFIG_OPTION_SYSTEM_ZLIB below. */
165 /* */
166#define FT_CONFIG_OPTION_USE_ZLIB
167
168
169 /*************************************************************************/
170 /* */
171 /* ZLib library selection */
172 /* */
173 /* This macro is only used when FT_CONFIG_OPTION_USE_ZLIB is defined. */
174 /* It allows FreeType's `ftgzip' component to link to the system's */
175 /* installation of the ZLib library. This is useful on systems like */
176 /* Unix or VMS where it generally is already available. */
177 /* */
178 /* If you let it undefined, the component will use its own copy */
179 /* of the zlib sources instead. These have been modified to be */
180 /* included directly within the component and *not* export external */
181 /* function names. This allows you to link any program with FreeType */
182 /* _and_ ZLib without linking conflicts. */
183 /* */
184 /* Do not #undef this macro here since the build system might define */
185 /* it for certain configurations only. */
186 /* */
187/* #define FT_CONFIG_OPTION_SYSTEM_ZLIB */
188
189
190 /*************************************************************************/
191 /* */
192 /* Bzip2-compressed file support. */
193 /* */
194 /* FreeType now handles font files that have been compressed with the */
195 /* `bzip2' program. This is mostly used to parse many of the PCF */
196 /* files that come with XFree86. The implementation uses `libbz2' to */
197 /* partially uncompress the file on the fly (see src/bzip2/ftbzip2.c). */
198 /* Contrary to gzip, bzip2 currently is not included and need to use */
199 /* the system available bzip2 implementation. */
200 /* */
201 /* Define this macro if you want to enable this `feature'. */
202 /* */
203/* #define FT_CONFIG_OPTION_USE_BZIP2 */
204
205
206 /*************************************************************************/
207 /* */
208 /* Define to disable the use of file stream functions and types, FILE, */
209 /* fopen() etc. Enables the use of smaller system libraries on embedded */
210 /* systems that have multiple system libraries, some with or without */
211 /* file stream support, in the cases where file stream support is not */
212 /* necessary such as memory loading of font files. */
213 /* */
214/* #define FT_CONFIG_OPTION_DISABLE_STREAM_SUPPORT */
215
216
217 /*************************************************************************/
218 /* */
219 /* PNG bitmap support. */
220 /* */
221 /* FreeType now handles loading color bitmap glyphs in the PNG format. */
222 /* This requires help from the external libpng library. Uncompressed */
223 /* color bitmaps do not need any external libraries and will be */
224 /* supported regardless of this configuration. */
225 /* */
226 /* Define this macro if you want to enable this `feature'. */
227 /* */
228/* #define FT_CONFIG_OPTION_USE_PNG */
229
230
231 /*************************************************************************/
232 /* */
233 /* DLL export compilation */
234 /* */
235 /* When compiling FreeType as a DLL, some systems/compilers need a */
236 /* special keyword in front OR after the return type of function */
237 /* declarations. */
238 /* */
239 /* Two macros are used within the FreeType source code to define */
240 /* exported library functions: FT_EXPORT and FT_EXPORT_DEF. */
241 /* */
242 /* FT_EXPORT( return_type ) */
243 /* */
244 /* is used in a function declaration, as in */
245 /* */
246 /* FT_EXPORT( FT_Error ) */
247 /* FT_Init_FreeType( FT_Library* alibrary ); */
248 /* */
249 /* */
250 /* FT_EXPORT_DEF( return_type ) */
251 /* */
252 /* is used in a function definition, as in */
253 /* */
254 /* FT_EXPORT_DEF( FT_Error ) */
255 /* FT_Init_FreeType( FT_Library* alibrary ) */
256 /* { */
257 /* ... some code ... */
258 /* return FT_Err_Ok; */
259 /* } */
260 /* */
261 /* You can provide your own implementation of FT_EXPORT and */
262 /* FT_EXPORT_DEF here if you want. If you leave them undefined, they */
263 /* will be later automatically defined as `extern return_type' to */
264 /* allow normal compilation. */
265 /* */
266 /* Do not #undef these macros here since the build system might define */
267 /* them for certain configurations only. */
268 /* */
269/* #define FT_EXPORT(x) extern x */
270/* #define FT_EXPORT_DEF(x) x */
271
272
273 /*************************************************************************/
274 /* */
275 /* Glyph Postscript Names handling */
276 /* */
277 /* By default, FreeType 2 is compiled with the `psnames' module. This */
278 /* module is in charge of converting a glyph name string into a */
279 /* Unicode value, or return a Macintosh standard glyph name for the */
280 /* use with the TrueType `post' table. */
281 /* */
282 /* Undefine this macro if you do not want `psnames' compiled in your */
283 /* build of FreeType. This has the following effects: */
284 /* */
285 /* - The TrueType driver will provide its own set of glyph names, */
286 /* if you build it to support postscript names in the TrueType */
287 /* `post' table. */
288 /* */
289 /* - The Type 1 driver will not be able to synthesize a Unicode */
290 /* charmap out of the glyphs found in the fonts. */
291 /* */
292 /* You would normally undefine this configuration macro when building */
293 /* a version of FreeType that doesn't contain a Type 1 or CFF driver. */
294 /* */
295#define FT_CONFIG_OPTION_POSTSCRIPT_NAMES
296
297
298 /*************************************************************************/
299 /* */
300 /* Postscript Names to Unicode Values support */
301 /* */
302 /* By default, FreeType 2 is built with the `PSNames' module compiled */
303 /* in. Among other things, the module is used to convert a glyph name */
304 /* into a Unicode value. This is especially useful in order to */
305 /* synthesize on the fly a Unicode charmap from the CFF/Type 1 driver */
306 /* through a big table named the `Adobe Glyph List' (AGL). */
307 /* */
308 /* Undefine this macro if you do not want the Adobe Glyph List */
309 /* compiled in your `PSNames' module. The Type 1 driver will not be */
310 /* able to synthesize a Unicode charmap out of the glyphs found in the */
311 /* fonts. */
312 /* */
313#define FT_CONFIG_OPTION_ADOBE_GLYPH_LIST
314
315
316 /*************************************************************************/
317 /* */
318 /* Support for Mac fonts */
319 /* */
320 /* Define this macro if you want support for outline fonts in Mac */
321 /* format (mac dfont, mac resource, macbinary containing a mac */
322 /* resource) on non-Mac platforms. */
323 /* */
324 /* Note that the `FOND' resource isn't checked. */
325 /* */
326#define FT_CONFIG_OPTION_MAC_FONTS
327
328
329 /*************************************************************************/
330 /* */
331 /* Guessing methods to access embedded resource forks */
332 /* */
333 /* Enable extra Mac fonts support on non-Mac platforms (e.g. */
334 /* GNU/Linux). */
335 /* */
336 /* Resource forks which include fonts data are stored sometimes in */
337 /* locations which users or developers don't expected. In some cases, */
338 /* resource forks start with some offset from the head of a file. In */
339 /* other cases, the actual resource fork is stored in file different */
340 /* from what the user specifies. If this option is activated, */
341 /* FreeType tries to guess whether such offsets or different file */
342 /* names must be used. */
343 /* */
344 /* Note that normal, direct access of resource forks is controlled via */
345 /* the FT_CONFIG_OPTION_MAC_FONTS option. */
346 /* */
347#ifdef FT_CONFIG_OPTION_MAC_FONTS
348#define FT_CONFIG_OPTION_GUESSING_EMBEDDED_RFORK
349#endif
350
351
352 /*************************************************************************/
353 /* */
354 /* Allow the use of FT_Incremental_Interface to load typefaces that */
355 /* contain no glyph data, but supply it via a callback function. */
356 /* This is required by clients supporting document formats which */
357 /* supply font data incrementally as the document is parsed, such */
358 /* as the Ghostscript interpreter for the PostScript language. */
359 /* */
360#define FT_CONFIG_OPTION_INCREMENTAL
361
362
363 /*************************************************************************/
364 /* */
365 /* The size in bytes of the render pool used by the scan-line converter */
366 /* to do all of its work. */
367 /* */
368#define FT_RENDER_POOL_SIZE 16384L
369
370
371 /*************************************************************************/
372 /* */
373 /* FT_MAX_MODULES */
374 /* */
375 /* The maximum number of modules that can be registered in a single */
376 /* FreeType library object. 32 is the default. */
377 /* */
378#define FT_MAX_MODULES 32
379
380
381 /*************************************************************************/
382 /* */
383 /* Debug level */
384 /* */
385 /* FreeType can be compiled in debug or trace mode. In debug mode, */
386 /* errors are reported through the `ftdebug' component. In trace */
387 /* mode, additional messages are sent to the standard output during */
388 /* execution. */
389 /* */
390 /* Define FT_DEBUG_LEVEL_ERROR to build the library in debug mode. */
391 /* Define FT_DEBUG_LEVEL_TRACE to build it in trace mode. */
392 /* */
393 /* Don't define any of these macros to compile in `release' mode! */
394 /* */
395 /* Do not #undef these macros here since the build system might define */
396 /* them for certain configurations only. */
397 /* */
398/* #define FT_DEBUG_LEVEL_ERROR */
399/* #define FT_DEBUG_LEVEL_TRACE */
400
401
402 /*************************************************************************/
403 /* */
404 /* Autofitter debugging */
405 /* */
406 /* If FT_DEBUG_AUTOFIT is defined, FreeType provides some means to */
407 /* control the autofitter behaviour for debugging purposes with global */
408 /* boolean variables (consequently, you should *never* enable this */
409 /* while compiling in `release' mode): */
410 /* */
411 /* _af_debug_disable_horz_hints */
412 /* _af_debug_disable_vert_hints */
413 /* _af_debug_disable_blue_hints */
414 /* */
415 /* Additionally, the following functions provide dumps of various */
416 /* internal autofit structures to stdout (using `printf'): */
417 /* */
418 /* af_glyph_hints_dump_points */
419 /* af_glyph_hints_dump_segments */
420 /* af_glyph_hints_dump_edges */
421 /* */
422 /* As an argument, they use another global variable: */
423 /* */
424 /* _af_debug_hints */
425 /* */
426 /* Please have a look at the `ftgrid' demo program to see how those */
427 /* variables and macros should be used. */
428 /* */
429 /* Do not #undef these macros here since the build system might define */
430 /* them for certain configurations only. */
431 /* */
432/* #define FT_DEBUG_AUTOFIT */
433
434
435 /*************************************************************************/
436 /* */
437 /* Memory Debugging */
438 /* */
439 /* FreeType now comes with an integrated memory debugger that is */
440 /* capable of detecting simple errors like memory leaks or double */
441 /* deletes. To compile it within your build of the library, you */
442 /* should define FT_DEBUG_MEMORY here. */
443 /* */
444 /* Note that the memory debugger is only activated at runtime when */
445 /* when the _environment_ variable `FT2_DEBUG_MEMORY' is defined also! */
446 /* */
447 /* Do not #undef this macro here since the build system might define */
448 /* it for certain configurations only. */
449 /* */
450/* #define FT_DEBUG_MEMORY */
451
452
453 /*************************************************************************/
454 /* */
455 /* Module errors */
456 /* */
457 /* If this macro is set (which is _not_ the default), the higher byte */
458 /* of an error code gives the module in which the error has occurred, */
459 /* while the lower byte is the real error code. */
460 /* */
461 /* Setting this macro makes sense for debugging purposes only, since */
462 /* it would break source compatibility of certain programs that use */
463 /* FreeType 2. */
464 /* */
465 /* More details can be found in the files ftmoderr.h and fterrors.h. */
466 /* */
467#undef FT_CONFIG_OPTION_USE_MODULE_ERRORS
468
469
470 /*************************************************************************/
471 /* */
472 /* Position Independent Code */
473 /* */
474 /* If this macro is set (which is _not_ the default), FreeType2 will */
475 /* avoid creating constants that require address fixups. Instead the */
476 /* constants will be moved into a struct and additional intialization */
477 /* code will be used. */
478 /* */
479 /* Setting this macro is needed for systems that prohibit address */
480 /* fixups, such as BREW. */
481 /* */
482/* #define FT_CONFIG_OPTION_PIC */
483
484
485 /*************************************************************************/
486 /*************************************************************************/
487 /**** ****/
488 /**** S F N T D R I V E R C O N F I G U R A T I O N ****/
489 /**** ****/
490 /*************************************************************************/
491 /*************************************************************************/
492
493
494 /*************************************************************************/
495 /* */
496 /* Define TT_CONFIG_OPTION_EMBEDDED_BITMAPS if you want to support */
497 /* embedded bitmaps in all formats using the SFNT module (namely */
498 /* TrueType & OpenType). */
499 /* */
500#define TT_CONFIG_OPTION_EMBEDDED_BITMAPS
501
502
503 /*************************************************************************/
504 /* */
505 /* Define TT_CONFIG_OPTION_POSTSCRIPT_NAMES if you want to be able to */
506 /* load and enumerate the glyph Postscript names in a TrueType or */
507 /* OpenType file. */
508 /* */
509 /* Note that when you do not compile the `PSNames' module by undefining */
510 /* the above FT_CONFIG_OPTION_POSTSCRIPT_NAMES, the `sfnt' module will */
511 /* contain additional code used to read the PS Names table from a font. */
512 /* */
513 /* (By default, the module uses `PSNames' to extract glyph names.) */
514 /* */
515#define TT_CONFIG_OPTION_POSTSCRIPT_NAMES
516
517
518 /*************************************************************************/
519 /* */
520 /* Define TT_CONFIG_OPTION_SFNT_NAMES if your applications need to */
521 /* access the internal name table in a SFNT-based format like TrueType */
522 /* or OpenType. The name table contains various strings used to */
523 /* describe the font, like family name, copyright, version, etc. It */
524 /* does not contain any glyph name though. */
525 /* */
526 /* Accessing SFNT names is done through the functions declared in */
527 /* `ftsnames.h'. */
528 /* */
529#define TT_CONFIG_OPTION_SFNT_NAMES
530
531
532 /*************************************************************************/
533 /* */
534 /* TrueType CMap support */
535 /* */
536 /* Here you can fine-tune which TrueType CMap table format shall be */
537 /* supported. */
538#define TT_CONFIG_CMAP_FORMAT_0
539#define TT_CONFIG_CMAP_FORMAT_2
540#define TT_CONFIG_CMAP_FORMAT_4
541#define TT_CONFIG_CMAP_FORMAT_6
542#define TT_CONFIG_CMAP_FORMAT_8
543#define TT_CONFIG_CMAP_FORMAT_10
544#define TT_CONFIG_CMAP_FORMAT_12
545#define TT_CONFIG_CMAP_FORMAT_13
546#define TT_CONFIG_CMAP_FORMAT_14
547
548
549 /*************************************************************************/
550 /*************************************************************************/
551 /**** ****/
552 /**** 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 ****/
553 /**** ****/
554 /*************************************************************************/
555 /*************************************************************************/
556
557 /*************************************************************************/
558 /* */
559 /* Define TT_CONFIG_OPTION_BYTECODE_INTERPRETER if you want to compile */
560 /* a bytecode interpreter in the TrueType driver. */
561 /* */
562 /* By undefining this, you will only compile the code necessary to load */
563 /* TrueType glyphs without hinting. */
564 /* */
565 /* Do not #undef this macro here, since the build system might */
566 /* define it for certain configurations only. */
567 /* */
568#define TT_CONFIG_OPTION_BYTECODE_INTERPRETER
569
570
571 /*************************************************************************/
572 /* */
573 /* Define TT_CONFIG_OPTION_SUBPIXEL_HINTING if you want to compile */
574 /* EXPERIMENTAL subpixel hinting support into the TrueType driver. This */
575 /* replaces the native TrueType hinting mechanism when anything but */
576 /* FT_RENDER_MODE_MONO is requested. */
577 /* */
578 /* Enabling this causes the TrueType driver to ignore instructions under */
579 /* certain conditions. This is done in accordance with the guide here, */
580 /* with some minor differences: */
581 /* */
582 /* http://www.microsoft.com/typography/cleartype/truetypecleartype.aspx */
583 /* */
584 /* By undefining this, you only compile the code necessary to hint */
585 /* TrueType glyphs with native TT hinting. */
586 /* */
587 /* This option requires TT_CONFIG_OPTION_BYTECODE_INTERPRETER to be */
588 /* defined. */
589 /* */
590/* #define TT_CONFIG_OPTION_SUBPIXEL_HINTING */
591
592
593 /*************************************************************************/
594 /* */
595 /* If you define TT_CONFIG_OPTION_UNPATENTED_HINTING, a special version */
596 /* of the TrueType bytecode interpreter is used that doesn't implement */
597 /* any of the patented opcodes and algorithms. The patents related to */
598 /* TrueType hinting have expired worldwide since May 2010; this option */
599 /* is now deprecated. */
600 /* */
601 /* Note that the TT_CONFIG_OPTION_UNPATENTED_HINTING macro is *ignored* */
602 /* if you define TT_CONFIG_OPTION_BYTECODE_INTERPRETER; in other words, */
603 /* either define TT_CONFIG_OPTION_BYTECODE_INTERPRETER or */
604 /* TT_CONFIG_OPTION_UNPATENTED_HINTING but not both at the same time. */
605 /* */
606 /* This macro is only useful for a small number of font files (mostly */
607 /* for Asian scripts) that require bytecode interpretation to properly */
608 /* load glyphs. For all other fonts, this produces unpleasant results, */
609 /* thus the unpatented interpreter is never used to load glyphs from */
610 /* TrueType fonts unless one of the following two options is used. */
611 /* */
612 /* - The unpatented interpreter is explicitly activated by the user */
613 /* through the FT_PARAM_TAG_UNPATENTED_HINTING parameter tag */
614 /* when opening the FT_Face. */
615 /* */
616 /* - FreeType detects that the FT_Face corresponds to one of the */
617 /* `trick' fonts (e.g., `Mingliu') it knows about. The font engine */
618 /* contains a hard-coded list of font names and other matching */
619 /* parameters (see function `tt_face_init' in file */
620 /* `src/truetype/ttobjs.c'). */
621 /* */
622 /* Here a sample code snippet for using FT_PARAM_TAG_UNPATENTED_HINTING. */
623 /* */
624 /* { */
625 /* FT_Parameter parameter; */
626 /* FT_Open_Args open_args; */
627 /* */
628 /* */
629 /* parameter.tag = FT_PARAM_TAG_UNPATENTED_HINTING; */
630 /* */
631 /* open_args.flags = FT_OPEN_PATHNAME | FT_OPEN_PARAMS; */
632 /* open_args.pathname = my_font_pathname; */
633 /* open_args.num_params = 1; */
634 /* open_args.params = &parameter; */
635 /* */
636 /* error = FT_Open_Face( library, &open_args, index, &face ); */
637 /* ... */
638 /* } */
639 /* */
640/* #define TT_CONFIG_OPTION_UNPATENTED_HINTING */
641
642
643 /*************************************************************************/
644 /* */
645 /* Define TT_CONFIG_OPTION_INTERPRETER_SWITCH to compile the TrueType */
646 /* bytecode interpreter with a huge switch statement, rather than a call */
647 /* table. This results in smaller and faster code for a number of */
648 /* architectures. */
649 /* */
650 /* Note however that on some compiler/processor combinations, undefining */
651 /* this macro will generate faster, though larger, code. */
652 /* */
653#define TT_CONFIG_OPTION_INTERPRETER_SWITCH
654
655
656 /*************************************************************************/
657 /* */
658 /* Define TT_CONFIG_OPTION_COMPONENT_OFFSET_SCALED to compile the */
659 /* TrueType glyph loader to use Apple's definition of how to handle */
660 /* component offsets in composite glyphs. */
661 /* */
662 /* Apple and MS disagree on the default behavior of component offsets */
663 /* in composites. Apple says that they should be scaled by the scaling */
664 /* factors in the transformation matrix (roughly, it's more complex) */
665 /* while MS says they should not. OpenType defines two bits in the */
666 /* composite flags array which can be used to disambiguate, but old */
667 /* fonts will not have them. */
668 /* */
669 /* http://www.microsoft.com/typography/otspec/glyf.htm */
670 /* http://fonts.apple.com/TTRefMan/RM06/Chap6glyf.html */
671 /* */
672#undef TT_CONFIG_OPTION_COMPONENT_OFFSET_SCALED
673
674
675 /*************************************************************************/
676 /* */
677 /* Define TT_CONFIG_OPTION_GX_VAR_SUPPORT if you want to include */
678 /* support for Apple's distortable font technology (fvar, gvar, cvar, */
679 /* and avar tables). This has many similarities to Type 1 Multiple */
680 /* Masters support. */
681 /* */
682#define TT_CONFIG_OPTION_GX_VAR_SUPPORT
683
684
685 /*************************************************************************/
686 /* */
687 /* Define TT_CONFIG_OPTION_BDF if you want to include support for */
688 /* an embedded `BDF ' table within SFNT-based bitmap formats. */
689 /* */
690#define TT_CONFIG_OPTION_BDF
691
692
693 /*************************************************************************/
694 /*************************************************************************/
695 /**** ****/
696 /**** T Y P E 1 D R I V E R C O N F I G U R A T I O N ****/
697 /**** ****/
698 /*************************************************************************/
699 /*************************************************************************/
700
701
702 /*************************************************************************/
703 /* */
704 /* T1_MAX_DICT_DEPTH is the maximum depth of nest dictionaries and */
705 /* arrays in the Type 1 stream (see t1load.c). A minimum of 4 is */
706 /* required. */
707 /* */
708#define T1_MAX_DICT_DEPTH 5
709
710
711 /*************************************************************************/
712 /* */
713 /* T1_MAX_SUBRS_CALLS details the maximum number of nested sub-routine */
714 /* calls during glyph loading. */
715 /* */
716#define T1_MAX_SUBRS_CALLS 16
717
718
719 /*************************************************************************/
720 /* */
721 /* T1_MAX_CHARSTRING_OPERANDS is the charstring stack's capacity. A */
722 /* minimum of 16 is required. */
723 /* */
724 /* The Chinese font MingTiEG-Medium (CNS 11643 character set) needs 256. */
725 /* */
726#define T1_MAX_CHARSTRINGS_OPERANDS 256
727
728
729 /*************************************************************************/
730 /* */
731 /* Define this configuration macro if you want to prevent the */
732 /* compilation of `t1afm', which is in charge of reading Type 1 AFM */
733 /* files into an existing face. Note that if set, the T1 driver will be */
734 /* unable to produce kerning distances. */
735 /* */
736#undef T1_CONFIG_OPTION_NO_AFM
737
738
739 /*************************************************************************/
740 /* */
741 /* Define this configuration macro if you want to prevent the */
742 /* compilation of the Multiple Masters font support in the Type 1 */
743 /* driver. */
744 /* */
745#undef T1_CONFIG_OPTION_NO_MM_SUPPORT
746
747
748 /*************************************************************************/
749 /*************************************************************************/
750 /**** ****/
751 /**** C F F D R I V E R C O N F I G U R A T I O N ****/
752 /**** ****/
753 /*************************************************************************/
754 /*************************************************************************/
755
756
757 /*************************************************************************/
758 /* */
759 /* CFF_CONFIG_OPTION_OLD_ENGINE controls whether the pre-Adobe CFF */
760 /* engine gets compiled into FreeType. If defined, it is possible to */
761 /* switch between the two engines using the `hinting-engine' property of */
762 /* the cff driver module. */
763 /* */
764/* #define CFF_CONFIG_OPTION_OLD_ENGINE */
765
766
767 /*************************************************************************/
768 /*************************************************************************/
769 /**** ****/
770 /**** 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 ****/
771 /**** ****/
772 /*************************************************************************/
773 /*************************************************************************/
774
775
776 /*************************************************************************/
777 /* */
778 /* Compile autofit module with CJK (Chinese, Japanese, Korean) script */
779 /* support. */
780 /* */
781#define AF_CONFIG_OPTION_CJK
782
783 /*************************************************************************/
784 /* */
785 /* Compile autofit module with Indic script support. */
786 /* */
787#define AF_CONFIG_OPTION_INDIC
788
789 /*************************************************************************/
790 /* */
791 /* Compile autofit module with warp hinting. The idea of the warping */
792 /* code is to slightly scale and shift a glyph within a single dimension */
793 /* so that as much of its segments are aligned (more or less) on the */
794 /* grid. To find out the optimal scaling and shifting value, various */
795 /* parameter combinations are tried and scored. */
796 /* */
797 /* This experimental option is only active if the render mode is */
798 /* FT_RENDER_MODE_LIGHT. */
799 /* */
800/* #define AF_CONFIG_OPTION_USE_WARPER */
801
802 /* */
803
804
805 /*
806 * This macro is obsolete. Support has been removed in FreeType
807 * version 2.5.
808 */
809/* #define FT_CONFIG_OPTION_OLD_INTERNALS */
810
811
812 /*
813 * This macro is defined if either unpatented or native TrueType
814 * hinting is requested by the definitions above.
815 */
816#ifdef TT_CONFIG_OPTION_BYTECODE_INTERPRETER
817#define TT_USE_BYTECODE_INTERPRETER
818#undef TT_CONFIG_OPTION_UNPATENTED_HINTING
819#elif defined TT_CONFIG_OPTION_UNPATENTED_HINTING
820#define TT_USE_BYTECODE_INTERPRETER
821#endif
822
823FT_END_HEADER
824
825
826#endif /* __FTOPTION_H__ */
827
828
829/* END */
830