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Viewing changes to misc/libfreetype/include/freetype/config/ftoption.h

  • Committer: Package Import Robot
  • Author(s): Gianfranco Costamagna
  • Date: 2014-01-02 12:37:23 UTC
  • mfrom: (19.1.5 sid)
  • Revision ID: package-import@ubuntu.com-20140102123723-6pdhmyj8tb5y8xbg
Tags: 0.9.20.3-1
New upstream minor release, suitable for unstable

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misc/libfreetype/include/freetype/config/ftoption.h
1
 
/***************************************************************************/
2
 
/*                                                                         */
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/*  ftoption.h                                                             */
4
 
/*                                                                         */
5
 
/*    User-selectable configuration macros (specification only).           */
6
 
/*                                                                         */
7
 
/*  Copyright 1996-2011 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
 
 
26
 
FT_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 `$BUILD/freetype/config/ftoption.h', where `$BUILD'   */
42
 
  /*    is the name of a directory that is included _before_ the FreeType  */
43
 
  /*    include 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 <freetype/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 <freetype/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
 
  /* DLL export compilation                                                */
209
 
  /*                                                                       */
210
 
  /*   When compiling FreeType as a DLL, some systems/compilers need a     */
211
 
  /*   special keyword in front OR after the return type of function       */
212
 
  /*   declarations.                                                       */
213
 
  /*                                                                       */
214
 
  /*   Two macros are used within the FreeType source code to define       */
215
 
  /*   exported library functions: FT_EXPORT and FT_EXPORT_DEF.            */
216
 
  /*                                                                       */
217
 
  /*     FT_EXPORT( return_type )                                          */
218
 
  /*                                                                       */
219
 
  /*       is used in a function declaration, as in                        */
220
 
  /*                                                                       */
221
 
  /*         FT_EXPORT( FT_Error )                                         */
222
 
  /*         FT_Init_FreeType( FT_Library*  alibrary );                    */
223
 
  /*                                                                       */
224
 
  /*                                                                       */
225
 
  /*     FT_EXPORT_DEF( return_type )                                      */
226
 
  /*                                                                       */
227
 
  /*       is used in a function definition, as in                         */
228
 
  /*                                                                       */
229
 
  /*         FT_EXPORT_DEF( FT_Error )                                     */
230
 
  /*         FT_Init_FreeType( FT_Library*  alibrary )                     */
231
 
  /*         {                                                             */
232
 
  /*           ... some code ...                                           */
233
 
  /*           return FT_Err_Ok;                                           */
234
 
  /*         }                                                             */
235
 
  /*                                                                       */
236
 
  /*   You can provide your own implementation of FT_EXPORT and            */
237
 
  /*   FT_EXPORT_DEF here if you want.  If you leave them undefined, they  */
238
 
  /*   will be later automatically defined as `extern return_type' to      */
239
 
  /*   allow normal compilation.                                           */
240
 
  /*                                                                       */
241
 
  /*   Do not #undef these macros here since the build system might define */
242
 
  /*   them for certain configurations only.                               */
243
 
  /*                                                                       */
244
 
/* #define FT_EXPORT(x)      extern x */
245
 
/* #define FT_EXPORT_DEF(x)  x */
246
 
 
247
 
 
248
 
  /*************************************************************************/
249
 
  /*                                                                       */
250
 
  /* Glyph Postscript Names handling                                       */
251
 
  /*                                                                       */
252
 
  /*   By default, FreeType 2 is compiled with the `psnames' module.  This */
253
 
  /*   module is in charge of converting a glyph name string into a        */
254
 
  /*   Unicode value, or return a Macintosh standard glyph name for the    */
255
 
  /*   use with the TrueType `post' table.                                 */
256
 
  /*                                                                       */
257
 
  /*   Undefine this macro if you do not want `psnames' compiled in your   */
258
 
  /*   build of FreeType.  This has the following effects:                 */
259
 
  /*                                                                       */
260
 
  /*   - The TrueType driver will provide its own set of glyph names,      */
261
 
  /*     if you build it to support postscript names in the TrueType       */
262
 
  /*     `post' table.                                                     */
263
 
  /*                                                                       */
264
 
  /*   - The Type 1 driver will not be able to synthesize a Unicode        */
265
 
  /*     charmap out of the glyphs found in the fonts.                     */
266
 
  /*                                                                       */
267
 
  /*   You would normally undefine this configuration macro when building  */
268
 
  /*   a version of FreeType that doesn't contain a Type 1 or CFF driver.  */
269
 
  /*                                                                       */
270
 
#define FT_CONFIG_OPTION_POSTSCRIPT_NAMES
271
 
 
272
 
 
273
 
  /*************************************************************************/
274
 
  /*                                                                       */
275
 
  /* Postscript Names to Unicode Values support                            */
276
 
  /*                                                                       */
277
 
  /*   By default, FreeType 2 is built with the `PSNames' module compiled  */
278
 
  /*   in.  Among other things, the module is used to convert a glyph name */
279
 
  /*   into a Unicode value.  This is especially useful in order to        */
280
 
  /*   synthesize on the fly a Unicode charmap from the CFF/Type 1 driver  */
281
 
  /*   through a big table named the `Adobe Glyph List' (AGL).             */
282
 
  /*                                                                       */
283
 
  /*   Undefine this macro if you do not want the Adobe Glyph List         */
284
 
  /*   compiled in your `PSNames' module.  The Type 1 driver will not be   */
285
 
  /*   able to synthesize a Unicode charmap out of the glyphs found in the */
286
 
  /*   fonts.                                                              */
287
 
  /*                                                                       */
288
 
#define FT_CONFIG_OPTION_ADOBE_GLYPH_LIST
289
 
 
290
 
 
291
 
  /*************************************************************************/
292
 
  /*                                                                       */
293
 
  /* Support for Mac fonts                                                 */
294
 
  /*                                                                       */
295
 
  /*   Define this macro if you want support for outline fonts in Mac      */
296
 
  /*   format (mac dfont, mac resource, macbinary containing a mac         */
297
 
  /*   resource) on non-Mac platforms.                                     */
298
 
  /*                                                                       */
299
 
  /*   Note that the `FOND' resource isn't checked.                        */
300
 
  /*                                                                       */
301
 
#define FT_CONFIG_OPTION_MAC_FONTS
302
 
 
303
 
 
304
 
  /*************************************************************************/
305
 
  /*                                                                       */
306
 
  /* Guessing methods to access embedded resource forks                    */
307
 
  /*                                                                       */
308
 
  /*   Enable extra Mac fonts support on non-Mac platforms (e.g.           */
309
 
  /*   GNU/Linux).                                                         */
310
 
  /*                                                                       */
311
 
  /*   Resource forks which include fonts data are stored sometimes in     */
312
 
  /*   locations which users or developers don't expected.  In some cases, */
313
 
  /*   resource forks start with some offset from the head of a file.  In  */
314
 
  /*   other cases, the actual resource fork is stored in file different   */
315
 
  /*   from what the user specifies.  If this option is activated,         */
316
 
  /*   FreeType tries to guess whether such offsets or different file      */
317
 
  /*   names must be used.                                                 */
318
 
  /*                                                                       */
319
 
  /*   Note that normal, direct access of resource forks is controlled via */
320
 
  /*   the FT_CONFIG_OPTION_MAC_FONTS option.                              */
321
 
  /*                                                                       */
322
 
#ifdef FT_CONFIG_OPTION_MAC_FONTS
323
 
#define FT_CONFIG_OPTION_GUESSING_EMBEDDED_RFORK
324
 
#endif
325
 
 
326
 
 
327
 
  /*************************************************************************/
328
 
  /*                                                                       */
329
 
  /* Allow the use of FT_Incremental_Interface to load typefaces that      */
330
 
  /* contain no glyph data, but supply it via a callback function.         */
331
 
  /* This is required by clients supporting document formats which         */
332
 
  /* supply font data incrementally as the document is parsed, such        */
333
 
  /* as the Ghostscript interpreter for the PostScript language.           */
334
 
  /*                                                                       */
335
 
#define FT_CONFIG_OPTION_INCREMENTAL
336
 
 
337
 
 
338
 
  /*************************************************************************/
339
 
  /*                                                                       */
340
 
  /* The size in bytes of the render pool used by the scan-line converter  */
341
 
  /* to do all of its work.                                                */
342
 
  /*                                                                       */
343
 
  /* This must be greater than 4KByte if you use FreeType to rasterize     */
344
 
  /* glyphs; otherwise, you may set it to zero to avoid unnecessary        */
345
 
  /* allocation of the render pool.                                        */
346
 
  /*                                                                       */
347
 
#define FT_RENDER_POOL_SIZE  16384L
348
 
 
349
 
 
350
 
  /*************************************************************************/
351
 
  /*                                                                       */
352
 
  /* FT_MAX_MODULES                                                        */
353
 
  /*                                                                       */
354
 
  /*   The maximum number of modules that can be registered in a single    */
355
 
  /*   FreeType library object.  32 is the default.                        */
356
 
  /*                                                                       */
357
 
#define FT_MAX_MODULES  32
358
 
 
359
 
 
360
 
  /*************************************************************************/
361
 
  /*                                                                       */
362
 
  /* Debug level                                                           */
363
 
  /*                                                                       */
364
 
  /*   FreeType can be compiled in debug or trace mode.  In debug mode,    */
365
 
  /*   errors are reported through the `ftdebug' component.  In trace      */
366
 
  /*   mode, additional messages are sent to the standard output during    */
367
 
  /*   execution.                                                          */
368
 
  /*                                                                       */
369
 
  /*   Define FT_DEBUG_LEVEL_ERROR to build the library in debug mode.     */
370
 
  /*   Define FT_DEBUG_LEVEL_TRACE to build it in trace mode.              */
371
 
  /*                                                                       */
372
 
  /*   Don't define any of these macros to compile in `release' mode!      */
373
 
  /*                                                                       */
374
 
  /*   Do not #undef these macros here since the build system might define */
375
 
  /*   them for certain configurations only.                               */
376
 
  /*                                                                       */
377
 
/* #define FT_DEBUG_LEVEL_ERROR */
378
 
/* #define FT_DEBUG_LEVEL_TRACE */
379
 
 
380
 
 
381
 
  /*************************************************************************/
382
 
  /*                                                                       */
383
 
  /* Autofitter debugging                                                  */
384
 
  /*                                                                       */
385
 
  /*   If FT_DEBUG_AUTOFIT is defined, FreeType provides some means to     */
386
 
  /*   control the autofitter behaviour for debugging purposes with global */
387
 
  /*   boolean variables (consequently, you should *never* enable this     */
388
 
  /*   while compiling in `release' mode):                                 */
389
 
  /*                                                                       */
390
 
  /*     _af_debug_disable_horz_hints                                      */
391
 
  /*     _af_debug_disable_vert_hints                                      */
392
 
  /*     _af_debug_disable_blue_hints                                      */
393
 
  /*                                                                       */
394
 
  /*   Additionally, the following functions provide dumps of various      */
395
 
  /*   internal autofit structures to stdout (using `printf'):             */
396
 
  /*                                                                       */
397
 
  /*     af_glyph_hints_dump_points                                        */
398
 
  /*     af_glyph_hints_dump_segments                                      */
399
 
  /*     af_glyph_hints_dump_edges                                         */
400
 
  /*                                                                       */
401
 
  /*   As an argument, they use another global variable:                   */
402
 
  /*                                                                       */
403
 
  /*     _af_debug_hints                                                   */
404
 
  /*                                                                       */
405
 
  /*   Please have a look at the `ftgrid' demo program to see how those    */
406
 
  /*   variables and macros should be used.                                */
407
 
  /*                                                                       */
408
 
  /*   Do not #undef these macros here since the build system might define */
409
 
  /*   them for certain configurations only.                               */
410
 
  /*                                                                       */
411
 
/* #define FT_DEBUG_AUTOFIT */
412
 
 
413
 
 
414
 
  /*************************************************************************/
415
 
  /*                                                                       */
416
 
  /* Memory Debugging                                                      */
417
 
  /*                                                                       */
418
 
  /*   FreeType now comes with an integrated memory debugger that is       */
419
 
  /*   capable of detecting simple errors like memory leaks or double      */
420
 
  /*   deletes.  To compile it within your build of the library, you       */
421
 
  /*   should define FT_DEBUG_MEMORY here.                                 */
422
 
  /*                                                                       */
423
 
  /*   Note that the memory debugger is only activated at runtime when     */
424
 
  /*   when the _environment_ variable `FT2_DEBUG_MEMORY' is defined also! */
425
 
  /*                                                                       */
426
 
  /*   Do not #undef this macro here since the build system might define   */
427
 
  /*   it for certain configurations only.                                 */
428
 
  /*                                                                       */
429
 
/* #define FT_DEBUG_MEMORY */
430
 
 
431
 
 
432
 
  /*************************************************************************/
433
 
  /*                                                                       */
434
 
  /* Module errors                                                         */
435
 
  /*                                                                       */
436
 
  /*   If this macro is set (which is _not_ the default), the higher byte  */
437
 
  /*   of an error code gives the module in which the error has occurred,  */
438
 
  /*   while the lower byte is the real error code.                        */
439
 
  /*                                                                       */
440
 
  /*   Setting this macro makes sense for debugging purposes only, since   */
441
 
  /*   it would break source compatibility of certain programs that use    */
442
 
  /*   FreeType 2.                                                         */
443
 
  /*                                                                       */
444
 
  /*   More details can be found in the files ftmoderr.h and fterrors.h.   */
445
 
  /*                                                                       */
446
 
#undef FT_CONFIG_OPTION_USE_MODULE_ERRORS
447
 
 
448
 
 
449
 
  /*************************************************************************/
450
 
  /*                                                                       */
451
 
  /* Position Independent Code                                             */
452
 
  /*                                                                       */
453
 
  /*   If this macro is set (which is _not_ the default), FreeType2 will   */
454
 
  /*   avoid creating constants that require address fixups.  Instead the  */
455
 
  /*   constants will be moved into a struct and additional intialization  */
456
 
  /*   code will be used.                                                  */
457
 
  /*                                                                       */
458
 
  /*   Setting this macro is needed for systems that prohibit address      */
459
 
  /*   fixups, such as BREW.                                               */
460
 
  /*                                                                       */
461
 
/* #define FT_CONFIG_OPTION_PIC */
462
 
 
463
 
 
464
 
  /*************************************************************************/
465
 
  /*************************************************************************/
466
 
  /****                                                                 ****/
467
 
  /****        S F N T   D R I V E R    C O N F I G U R A T I O N       ****/
468
 
  /****                                                                 ****/
469
 
  /*************************************************************************/
470
 
  /*************************************************************************/
471
 
 
472
 
 
473
 
  /*************************************************************************/
474
 
  /*                                                                       */
475
 
  /* Define TT_CONFIG_OPTION_EMBEDDED_BITMAPS if you want to support       */
476
 
  /* embedded bitmaps in all formats using the SFNT module (namely         */
477
 
  /* TrueType & OpenType).                                                 */
478
 
  /*                                                                       */
479
 
#define TT_CONFIG_OPTION_EMBEDDED_BITMAPS
480
 
 
481
 
 
482
 
  /*************************************************************************/
483
 
  /*                                                                       */
484
 
  /* Define TT_CONFIG_OPTION_POSTSCRIPT_NAMES if you want to be able to    */
485
 
  /* load and enumerate the glyph Postscript names in a TrueType or        */
486
 
  /* OpenType file.                                                        */
487
 
  /*                                                                       */
488
 
  /* Note that when you do not compile the `PSNames' module by undefining  */
489
 
  /* the above FT_CONFIG_OPTION_POSTSCRIPT_NAMES, the `sfnt' module will   */
490
 
  /* contain additional code used to read the PS Names table from a font.  */
491
 
  /*                                                                       */
492
 
  /* (By default, the module uses `PSNames' to extract glyph names.)       */
493
 
  /*                                                                       */
494
 
#define TT_CONFIG_OPTION_POSTSCRIPT_NAMES
495
 
 
496
 
 
497
 
  /*************************************************************************/
498
 
  /*                                                                       */
499
 
  /* Define TT_CONFIG_OPTION_SFNT_NAMES if your applications need to       */
500
 
  /* access the internal name table in a SFNT-based format like TrueType   */
501
 
  /* or OpenType.  The name table contains various strings used to         */
502
 
  /* describe the font, like family name, copyright, version, etc.  It     */
503
 
  /* does not contain any glyph name though.                               */
504
 
  /*                                                                       */
505
 
  /* Accessing SFNT names is done through the functions declared in        */
506
 
  /* `freetype/ftsnames.h'.                                                */
507
 
  /*                                                                       */
508
 
#define TT_CONFIG_OPTION_SFNT_NAMES
509
 
 
510
 
 
511
 
  /*************************************************************************/
512
 
  /*                                                                       */
513
 
  /* TrueType CMap support                                                 */
514
 
  /*                                                                       */
515
 
  /*   Here you can fine-tune which TrueType CMap table format shall be    */
516
 
  /*   supported.                                                          */
517
 
#define TT_CONFIG_CMAP_FORMAT_0
518
 
#define TT_CONFIG_CMAP_FORMAT_2
519
 
#define TT_CONFIG_CMAP_FORMAT_4
520
 
#define TT_CONFIG_CMAP_FORMAT_6
521
 
#define TT_CONFIG_CMAP_FORMAT_8
522
 
#define TT_CONFIG_CMAP_FORMAT_10
523
 
#define TT_CONFIG_CMAP_FORMAT_12
524
 
#define TT_CONFIG_CMAP_FORMAT_13
525
 
#define TT_CONFIG_CMAP_FORMAT_14
526
 
 
527
 
 
528
 
  /*************************************************************************/
529
 
  /*************************************************************************/
530
 
  /****                                                                 ****/
531
 
  /****    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   ****/
532
 
  /****                                                                 ****/
533
 
  /*************************************************************************/
534
 
  /*************************************************************************/
535
 
 
536
 
  /*************************************************************************/
537
 
  /*                                                                       */
538
 
  /* Define TT_CONFIG_OPTION_BYTECODE_INTERPRETER if you want to compile   */
539
 
  /* a bytecode interpreter in the TrueType driver.                        */
540
 
  /*                                                                       */
541
 
  /* By undefining this, you will only compile the code necessary to load  */
542
 
  /* TrueType glyphs without hinting.                                      */
543
 
  /*                                                                       */
544
 
  /*   Do not #undef this macro here, since the build system might         */
545
 
  /*   define it for certain configurations only.                          */
546
 
  /*                                                                       */
547
 
#define TT_CONFIG_OPTION_BYTECODE_INTERPRETER
548
 
 
549
 
 
550
 
  /*************************************************************************/
551
 
  /*                                                                       */
552
 
  /* If you define TT_CONFIG_OPTION_UNPATENTED_HINTING, a special version  */
553
 
  /* of the TrueType bytecode interpreter is used that doesn't implement   */
554
 
  /* any of the patented opcodes and algorithms.  The patents related to   */
555
 
  /* TrueType hinting have expired worldwide since May 2010; this option   */
556
 
  /* is now deprecated.                                                    */
557
 
  /*                                                                       */
558
 
  /* Note that the TT_CONFIG_OPTION_UNPATENTED_HINTING macro is *ignored*  */
559
 
  /* if you define TT_CONFIG_OPTION_BYTECODE_INTERPRETER; in other words,  */
560
 
  /* either define TT_CONFIG_OPTION_BYTECODE_INTERPRETER or                */
561
 
  /* TT_CONFIG_OPTION_UNPATENTED_HINTING but not both at the same time.    */
562
 
  /*                                                                       */
563
 
  /* This macro is only useful for a small number of font files (mostly    */
564
 
  /* for Asian scripts) that require bytecode interpretation to properly   */
565
 
  /* load glyphs.  For all other fonts, this produces unpleasant results,  */
566
 
  /* thus the unpatented interpreter is never used to load glyphs from     */
567
 
  /* TrueType fonts unless one of the following two options is used.       */
568
 
  /*                                                                       */
569
 
  /*   - The unpatented interpreter is explicitly activated by the user    */
570
 
  /*     through the FT_PARAM_TAG_UNPATENTED_HINTING parameter tag         */
571
 
  /*     when opening the FT_Face.                                         */
572
 
  /*                                                                       */
573
 
  /*   - FreeType detects that the FT_Face corresponds to one of the       */
574
 
  /*     `trick' fonts (e.g., `Mingliu') it knows about.  The font engine  */
575
 
  /*     contains a hard-coded list of font names and other matching       */
576
 
  /*     parameters (see function `tt_face_init' in file                   */
577
 
  /*     `src/truetype/ttobjs.c').                                         */
578
 
  /*                                                                       */
579
 
  /* Here a sample code snippet for using FT_PARAM_TAG_UNPATENTED_HINTING. */
580
 
  /*                                                                       */
581
 
  /*   {                                                                   */
582
 
  /*     FT_Parameter  parameter;                                          */
583
 
  /*     FT_Open_Args  open_args;                                          */
584
 
  /*                                                                       */
585
 
  /*                                                                       */
586
 
  /*     parameter.tag = FT_PARAM_TAG_UNPATENTED_HINTING;                  */
587
 
  /*                                                                       */
588
 
  /*     open_args.flags      = FT_OPEN_PATHNAME | FT_OPEN_PARAMS;         */
589
 
  /*     open_args.pathname   = my_font_pathname;                          */
590
 
  /*     open_args.num_params = 1;                                         */
591
 
  /*     open_args.params     = &parameter;                                */
592
 
  /*                                                                       */
593
 
  /*     error = FT_Open_Face( library, &open_args, index, &face );        */
594
 
  /*     ...                                                               */
595
 
  /*   }                                                                   */
596
 
  /*                                                                       */
597
 
/* #define TT_CONFIG_OPTION_UNPATENTED_HINTING */
598
 
 
599
 
 
600
 
  /*************************************************************************/
601
 
  /*                                                                       */
602
 
  /* Define TT_CONFIG_OPTION_INTERPRETER_SWITCH to compile the TrueType    */
603
 
  /* bytecode interpreter with a huge switch statement, rather than a call */
604
 
  /* table.  This results in smaller and faster code for a number of       */
605
 
  /* architectures.                                                        */
606
 
  /*                                                                       */
607
 
  /* Note however that on some compiler/processor combinations, undefining */
608
 
  /* this macro will generate faster, though larger, code.                 */
609
 
  /*                                                                       */
610
 
#define TT_CONFIG_OPTION_INTERPRETER_SWITCH
611
 
 
612
 
 
613
 
  /*************************************************************************/
614
 
  /*                                                                       */
615
 
  /* Define TT_CONFIG_OPTION_COMPONENT_OFFSET_SCALED to compile the        */
616
 
  /* TrueType glyph loader to use Apple's definition of how to handle      */
617
 
  /* component offsets in composite glyphs.                                */
618
 
  /*                                                                       */
619
 
  /* Apple and MS disagree on the default behavior of component offsets    */
620
 
  /* in composites.  Apple says that they should be scaled by the scaling  */
621
 
  /* factors in the transformation matrix (roughly, it's more complex)     */
622
 
  /* while MS says they should not.  OpenType defines two bits in the      */
623
 
  /* composite flags array which can be used to disambiguate, but old      */
624
 
  /* fonts will not have them.                                             */
625
 
  /*                                                                       */
626
 
  /*   http://partners.adobe.com/asn/developer/opentype/glyf.html          */
627
 
  /*   http://fonts.apple.com/TTRefMan/RM06/Chap6glyf.html                 */
628
 
  /*                                                                       */
629
 
#undef TT_CONFIG_OPTION_COMPONENT_OFFSET_SCALED
630
 
 
631
 
 
632
 
  /*************************************************************************/
633
 
  /*                                                                       */
634
 
  /* Define TT_CONFIG_OPTION_GX_VAR_SUPPORT if you want to include         */
635
 
  /* support for Apple's distortable font technology (fvar, gvar, cvar,    */
636
 
  /* and avar tables).  This has many similarities to Type 1 Multiple      */
637
 
  /* Masters support.                                                      */
638
 
  /*                                                                       */
639
 
#define TT_CONFIG_OPTION_GX_VAR_SUPPORT
640
 
 
641
 
 
642
 
  /*************************************************************************/
643
 
  /*                                                                       */
644
 
  /* Define TT_CONFIG_OPTION_BDF if you want to include support for        */
645
 
  /* an embedded `BDF ' table within SFNT-based bitmap formats.            */
646
 
  /*                                                                       */
647
 
#define TT_CONFIG_OPTION_BDF
648
 
 
649
 
 
650
 
  /*************************************************************************/
651
 
  /*************************************************************************/
652
 
  /****                                                                 ****/
653
 
  /****      T Y P E 1   D R I V E R    C O N F I G U R A T I O N       ****/
654
 
  /****                                                                 ****/
655
 
  /*************************************************************************/
656
 
  /*************************************************************************/
657
 
 
658
 
 
659
 
  /*************************************************************************/
660
 
  /*                                                                       */
661
 
  /* T1_MAX_DICT_DEPTH is the maximal depth of nest dictionaries and       */
662
 
  /* arrays in the Type 1 stream (see t1load.c).  A minimum of 4 is        */
663
 
  /* required.                                                             */
664
 
  /*                                                                       */
665
 
#define T1_MAX_DICT_DEPTH  5
666
 
 
667
 
 
668
 
  /*************************************************************************/
669
 
  /*                                                                       */
670
 
  /* T1_MAX_SUBRS_CALLS details the maximum number of nested sub-routine   */
671
 
  /* calls during glyph loading.                                           */
672
 
  /*                                                                       */
673
 
#define T1_MAX_SUBRS_CALLS  16
674
 
 
675
 
 
676
 
  /*************************************************************************/
677
 
  /*                                                                       */
678
 
  /* T1_MAX_CHARSTRING_OPERANDS is the charstring stack's capacity.  A     */
679
 
  /* minimum of 16 is required.                                            */
680
 
  /*                                                                       */
681
 
  /* The Chinese font MingTiEG-Medium (CNS 11643 character set) needs 256. */
682
 
  /*                                                                       */
683
 
#define T1_MAX_CHARSTRINGS_OPERANDS  256
684
 
 
685
 
 
686
 
  /*************************************************************************/
687
 
  /*                                                                       */
688
 
  /* Define this configuration macro if you want to prevent the            */
689
 
  /* compilation of `t1afm', which is in charge of reading Type 1 AFM      */
690
 
  /* files into an existing face.  Note that if set, the T1 driver will be */
691
 
  /* unable to produce kerning distances.                                  */
692
 
  /*                                                                       */
693
 
#undef T1_CONFIG_OPTION_NO_AFM
694
 
 
695
 
 
696
 
  /*************************************************************************/
697
 
  /*                                                                       */
698
 
  /* Define this configuration macro if you want to prevent the            */
699
 
  /* compilation of the Multiple Masters font support in the Type 1        */
700
 
  /* driver.                                                               */
701
 
  /*                                                                       */
702
 
#undef T1_CONFIG_OPTION_NO_MM_SUPPORT
703
 
 
704
 
 
705
 
  /*************************************************************************/
706
 
  /*************************************************************************/
707
 
  /****                                                                 ****/
708
 
  /****    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     ****/
709
 
  /****                                                                 ****/
710
 
  /*************************************************************************/
711
 
  /*************************************************************************/
712
 
 
713
 
 
714
 
  /*************************************************************************/
715
 
  /*                                                                       */
716
 
  /* Compile autofit module with CJK (Chinese, Japanese, Korean) script    */
717
 
  /* support.                                                              */
718
 
  /*                                                                       */
719
 
#define AF_CONFIG_OPTION_CJK
720
 
 
721
 
  /*************************************************************************/
722
 
  /*                                                                       */
723
 
  /* Compile autofit module with Indic script support.                     */
724
 
  /*                                                                       */
725
 
#define AF_CONFIG_OPTION_INDIC
726
 
 
727
 
  /*************************************************************************/
728
 
  /*                                                                       */
729
 
  /* Compile autofit module with warp hinting.  The idea of the warping    */
730
 
  /* code is to slightly scale and shift a glyph within a single dimension */
731
 
  /* so that as much of its segments are aligned (more or less) on the     */
732
 
  /* grid.  To find out the optimal scaling and shifting value, various    */
733
 
  /* parameter combinations are tried and scored.                          */
734
 
  /*                                                                       */
735
 
  /* This experimental option is only active if the render mode is         */
736
 
  /* FT_RENDER_MODE_LIGHT.                                                 */
737
 
  /*                                                                       */
738
 
/* #define AF_CONFIG_OPTION_USE_WARPER */
739
 
 
740
 
  /* */
741
 
 
742
 
 
743
 
  /*
744
 
   * Define this variable if you want to keep the layout of internal
745
 
   * structures that was used prior to FreeType 2.2.  This also compiles in
746
 
   * a few obsolete functions to avoid linking problems on typical Unix
747
 
   * distributions.
748
 
   *
749
 
   * For embedded systems or building a new distribution from scratch, it
750
 
   * is recommended to disable the macro since it reduces the library's code
751
 
   * size and activates a few memory-saving optimizations as well.
752
 
   */
753
 
#define FT_CONFIG_OPTION_OLD_INTERNALS
754
 
 
755
 
 
756
 
  /*
757
 
   *  To detect legacy cache-lookup call from a rogue client (<= 2.1.7),
758
 
   *  we restrict the number of charmaps in a font.  The current API of
759
 
   *  FTC_CMapCache_Lookup() takes cmap_index & charcode, but old API
760
 
   *  takes charcode only.  To determine the passed value is for cmap_index
761
 
   *  or charcode, the possible cmap_index is restricted not to exceed
762
 
   *  the minimum possible charcode by a rogue client.  It is also very
763
 
   *  unlikely that a rogue client is interested in Unicode values 0 to 15.
764
 
   *
765
 
   *  NOTE: The original threshold was 4 deduced from popular number of
766
 
   *        cmap subtables in UCS-4 TrueType fonts, but now it is not
767
 
   *        irregular for OpenType fonts to have more than 4 subtables,
768
 
   *        because variation selector subtables are available for Apple
769
 
   *        and Microsoft platforms.
770
 
   */
771
 
 
772
 
#ifdef FT_CONFIG_OPTION_OLD_INTERNALS
773
 
#define FT_MAX_CHARMAP_CACHEABLE 15
774
 
#endif
775
 
 
776
 
 
777
 
  /*
778
 
   * This macro is defined if either unpatented or native TrueType
779
 
   * hinting is requested by the definitions above.
780
 
   */
781
 
#ifdef TT_CONFIG_OPTION_BYTECODE_INTERPRETER
782
 
#define  TT_USE_BYTECODE_INTERPRETER
783
 
#undef   TT_CONFIG_OPTION_UNPATENTED_HINTING
784
 
#elif defined TT_CONFIG_OPTION_UNPATENTED_HINTING
785
 
#define  TT_USE_BYTECODE_INTERPRETER
786
 
#endif
787
 
 
788
 
FT_END_HEADER
789
 
 
790
 
 
791
 
#endif /* __FTOPTION_H__ */
792
 
 
793
 
 
794
 
/* END */