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ftconfig.h
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1 /***************************************************************************/
2 /* */
3 /* ftconfig.h */
4 /* */
5 /* ANSI-specific configuration file (specification only). */
6 /* */
7 /* Copyright 1996-2018 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  /*************************************************************************/
20  /* */
21  /* This header file contains a number of macro definitions that are used */
22  /* by the rest of the engine. Most of the macros here are automatically */
23  /* determined at compile time, and you should not need to change it to */
24  /* port FreeType, except to compile the library with a non-ANSI */
25  /* compiler. */
26  /* */
27  /* Note however that if some specific modifications are needed, we */
28  /* advise you to place a modified copy in your build directory. */
29  /* */
30  /* The build directory is usually `builds/<system>', and contains */
31  /* system-specific files that are always included first when building */
32  /* the library. */
33  /* */
34  /* This ANSI version should stay in `include/config/'. */
35  /* */
36  /*************************************************************************/
37 
38 #ifndef FTCONFIG_H_
39 #define FTCONFIG_H_
40 
41 #include <ft2build.h>
42 #include FT_CONFIG_OPTIONS_H
43 #include FT_CONFIG_STANDARD_LIBRARY_H
44 
45 
47 
48 
49  /*************************************************************************/
50  /* */
51  /* PLATFORM-SPECIFIC CONFIGURATION MACROS */
52  /* */
53  /* These macros can be toggled to suit a specific system. The current */
54  /* ones are defaults used to compile FreeType in an ANSI C environment */
55  /* (16bit compilers are also supported). Copy this file to your own */
56  /* `builds/<system>' directory, and edit it to port the engine. */
57  /* */
58  /*************************************************************************/
59 
60 
61  /* There are systems (like the Texas Instruments 'C54x) where a `char' */
62  /* has 16 bits. ANSI C says that sizeof(char) is always 1. Since an */
63  /* `int' has 16 bits also for this system, sizeof(int) gives 1 which */
64  /* is probably unexpected. */
65  /* */
66  /* `CHAR_BIT' (defined in limits.h) gives the number of bits in a */
67  /* `char' type. */
68 
69 #ifndef FT_CHAR_BIT
70 #define FT_CHAR_BIT CHAR_BIT
71 #endif
72 
73 
74  /* The size of an `int' type. */
75 #if FT_UINT_MAX == 0xFFFFUL
76 #define FT_SIZEOF_INT ( 16 / FT_CHAR_BIT )
77 #elif FT_UINT_MAX == 0xFFFFFFFFUL
78 #define FT_SIZEOF_INT ( 32 / FT_CHAR_BIT )
79 #elif FT_UINT_MAX > 0xFFFFFFFFUL && FT_UINT_MAX == 0xFFFFFFFFFFFFFFFFUL
80 #define FT_SIZEOF_INT ( 64 / FT_CHAR_BIT )
81 #else
82 #error "Unsupported size of `int' type!"
83 #endif
84 
85  /* The size of a `long' type. A five-byte `long' (as used e.g. on the */
86  /* DM642) is recognized but avoided. */
87 #if FT_ULONG_MAX == 0xFFFFFFFFUL
88 #define FT_SIZEOF_LONG ( 32 / FT_CHAR_BIT )
89 #elif FT_ULONG_MAX > 0xFFFFFFFFUL && FT_ULONG_MAX == 0xFFFFFFFFFFUL
90 #define FT_SIZEOF_LONG ( 32 / FT_CHAR_BIT )
91 #elif FT_ULONG_MAX > 0xFFFFFFFFUL && FT_ULONG_MAX == 0xFFFFFFFFFFFFFFFFUL
92 #define FT_SIZEOF_LONG ( 64 / FT_CHAR_BIT )
93 #else
94 #error "Unsupported size of `long' type!"
95 #endif
96 
97 
98  /* FT_UNUSED is a macro used to indicate that a given parameter is not */
99  /* used -- this is only used to get rid of unpleasant compiler warnings */
100 #ifndef FT_UNUSED
101 #define FT_UNUSED( arg ) ( (arg) = (arg) )
102 #endif
103 
104 
105  /*************************************************************************/
106  /* */
107  /* AUTOMATIC CONFIGURATION MACROS */
108  /* */
109  /* These macros are computed from the ones defined above. Don't touch */
110  /* their definition, unless you know precisely what you are doing. No */
111  /* porter should need to mess with them. */
112  /* */
113  /*************************************************************************/
114 
115 
116  /*************************************************************************/
117  /* */
118  /* Mac support */
119  /* */
120  /* This is the only necessary change, so it is defined here instead */
121  /* providing a new configuration file. */
122  /* */
123 #if defined( __APPLE__ ) || ( defined( __MWERKS__ ) && defined( macintosh ) )
124  /* no Carbon frameworks for 64bit 10.4.x */
125  /* AvailabilityMacros.h is available since Mac OS X 10.2, */
126  /* so guess the system version by maximum errno before inclusion */
127 #include <errno.h>
128 #ifdef ECANCELED /* defined since 10.2 */
129 #include "AvailabilityMacros.h"
130 #endif
131 #if defined( __LP64__ ) && \
132  ( MAC_OS_X_VERSION_MIN_REQUIRED <= MAC_OS_X_VERSION_10_4 )
133 #undef FT_MACINTOSH
134 #endif
135 
136 #elif defined( __SC__ ) || defined( __MRC__ )
137  /* Classic MacOS compilers */
138 #include "ConditionalMacros.h"
139 #if TARGET_OS_MAC
140 #define FT_MACINTOSH 1
141 #endif
142 
143 #endif
144 
145 
146  /* Fix compiler warning with sgi compiler */
147 #if defined( __sgi ) && !defined( __GNUC__ )
148 #if defined( _COMPILER_VERSION ) && ( _COMPILER_VERSION >= 730 )
149 #pragma set woff 3505
150 #endif
151 #endif
152 
153 
154  /*************************************************************************/
155  /* */
156  /* <Section> */
157  /* basic_types */
158  /* */
159  /*************************************************************************/
160 
161 
162  /*************************************************************************/
163  /* */
164  /* <Type> */
165  /* FT_Int16 */
166  /* */
167  /* <Description> */
168  /* A typedef for a 16bit signed integer type. */
169  /* */
170  typedef signed short FT_Int16;
171 
172 
173  /*************************************************************************/
174  /* */
175  /* <Type> */
176  /* FT_UInt16 */
177  /* */
178  /* <Description> */
179  /* A typedef for a 16bit unsigned integer type. */
180  /* */
181  typedef unsigned short FT_UInt16;
182 
183  /* */
184 
185 
186  /* this #if 0 ... #endif clause is for documentation purposes */
187 #if 0
188 
189  /*************************************************************************/
190  /* */
191  /* <Type> */
192  /* FT_Int32 */
193  /* */
194  /* <Description> */
195  /* A typedef for a 32bit signed integer type. The size depends on */
196  /* the configuration. */
197  /* */
198  typedef signed XXX FT_Int32;
199 
200 
201  /*************************************************************************/
202  /* */
203  /* <Type> */
204  /* FT_UInt32 */
205  /* */
206  /* A typedef for a 32bit unsigned integer type. The size depends on */
207  /* the configuration. */
208  /* */
209  typedef unsigned XXX FT_UInt32;
210 
211 
212  /*************************************************************************/
213  /* */
214  /* <Type> */
215  /* FT_Int64 */
216  /* */
217  /* A typedef for a 64bit signed integer type. The size depends on */
218  /* the configuration. Only defined if there is real 64bit support; */
219  /* otherwise, it gets emulated with a structure (if necessary). */
220  /* */
221  typedef signed XXX FT_Int64;
222 
223 
224  /*************************************************************************/
225  /* */
226  /* <Type> */
227  /* FT_UInt64 */
228  /* */
229  /* A typedef for a 64bit unsigned integer type. The size depends on */
230  /* the configuration. Only defined if there is real 64bit support; */
231  /* otherwise, it gets emulated with a structure (if necessary). */
232  /* */
233  typedef unsigned XXX FT_UInt64;
234 
235  /* */
236 
237 #endif
238 
239 #if FT_SIZEOF_INT == ( 32 / FT_CHAR_BIT )
240 
241  typedef signed int FT_Int32;
242  typedef unsigned int FT_UInt32;
243 
244 #elif FT_SIZEOF_LONG == ( 32 / FT_CHAR_BIT )
245 
246  typedef signed long FT_Int32;
247  typedef unsigned long FT_UInt32;
248 
249 #else
250 #error "no 32bit type found -- please check your configuration files"
251 #endif
252 
253 
254  /* look up an integer type that is at least 32 bits */
255 #if FT_SIZEOF_INT >= ( 32 / FT_CHAR_BIT )
256 
257  typedef int FT_Fast;
258  typedef unsigned int FT_UFast;
259 
260 #elif FT_SIZEOF_LONG >= ( 32 / FT_CHAR_BIT )
261 
262  typedef long FT_Fast;
263  typedef unsigned long FT_UFast;
264 
265 #endif
266 
267 
268  /* determine whether we have a 64-bit int type for platforms without */
269  /* Autoconf */
270 #if FT_SIZEOF_LONG == ( 64 / FT_CHAR_BIT )
271 
272  /* FT_LONG64 must be defined if a 64-bit type is available */
273 #define FT_LONG64
274 #define FT_INT64 long
275 #define FT_UINT64 unsigned long
276 
277  /*************************************************************************/
278  /* */
279  /* A 64-bit data type may create compilation problems if you compile */
280  /* in strict ANSI mode. To avoid them, we disable other 64-bit data */
281  /* types if __STDC__ is defined. You can however ignore this rule */
282  /* by defining the FT_CONFIG_OPTION_FORCE_INT64 configuration macro. */
283  /* */
284 #elif !defined( __STDC__ ) || defined( FT_CONFIG_OPTION_FORCE_INT64 )
285 
286 #if defined( __STDC_VERSION__ ) && __STDC_VERSION__ >= 199901L
287 
288 #define FT_LONG64
289 #define FT_INT64 long long int
290 #define FT_UINT64 unsigned long long int
291 
292 #elif defined( _MSC_VER ) && _MSC_VER >= 900 /* Visual C++ (and Intel C++) */
293 
294  /* this compiler provides the __int64 type */
295 #define FT_LONG64
296 #define FT_INT64 __int64
297 #define FT_UINT64 unsigned __int64
298 
299 #elif defined( __BORLANDC__ ) /* Borland C++ */
300 
301  /* XXXX: We should probably check the value of __BORLANDC__ in order */
302  /* to test the compiler version. */
303 
304  /* this compiler provides the __int64 type */
305 #define FT_LONG64
306 #define FT_INT64 __int64
307 #define FT_UINT64 unsigned __int64
308 
309 #elif defined( __WATCOMC__ ) /* Watcom C++ */
310 
311  /* Watcom doesn't provide 64-bit data types */
312 
313 #elif defined( __MWERKS__ ) /* Metrowerks CodeWarrior */
314 
315 #define FT_LONG64
316 #define FT_INT64 long long int
317 #define FT_UINT64 unsigned long long int
318 
319 #elif defined( __GNUC__ )
320 
321  /* GCC provides the `long long' type */
322 #define FT_LONG64
323 #define FT_INT64 long long int
324 #define FT_UINT64 unsigned long long int
325 
326 #endif /* __STDC_VERSION__ >= 199901L */
327 
328 #endif /* FT_SIZEOF_LONG == (64 / FT_CHAR_BIT) */
329 
330 #ifdef FT_LONG64
331  typedef FT_INT64 FT_Int64;
332  typedef FT_UINT64 FT_UInt64;
333 #endif
334 
335 
336 #ifdef _WIN64
337  /* only 64bit Windows uses the LLP64 data model, i.e., */
338  /* 32bit integers, 64bit pointers */
339 #define FT_UINT_TO_POINTER( x ) (void*)(unsigned __int64)(x)
340 #else
341 #define FT_UINT_TO_POINTER( x ) (void*)(unsigned long)(x)
342 #endif
343 
344 
345  /*************************************************************************/
346  /* */
347  /* miscellaneous */
348  /* */
349  /*************************************************************************/
350 
351 
352 #define FT_BEGIN_STMNT do {
353 #define FT_END_STMNT } while ( 0 )
354 #define FT_DUMMY_STMNT FT_BEGIN_STMNT FT_END_STMNT
355 
356 
357  /* typeof condition taken from gnulib's `intprops.h' header file */
358 #if ( ( defined( __GNUC__ ) && __GNUC__ >= 2 ) || \
359  ( defined( __IBMC__ ) && __IBMC__ >= 1210 && \
360  defined( __IBM__TYPEOF__ ) ) || \
361  ( defined( __SUNPRO_C ) && __SUNPRO_C >= 0x5110 && !__STDC__ ) )
362 #define FT_TYPEOF( type ) ( __typeof__ ( type ) )
363 #else
364 #define FT_TYPEOF( type ) /* empty */
365 #endif
366 
367 
368  /* Use FT_LOCAL and FT_LOCAL_DEF to declare and define, respectively, */
369  /* a function that gets used only within the scope of a module. */
370  /* Normally, both the header and source code files for such a */
371  /* function are within a single module directory. */
372  /* */
373  /* Intra-module arrays should be tagged with FT_LOCAL_ARRAY and */
374  /* FT_LOCAL_ARRAY_DEF. */
375  /* */
376 #ifdef FT_MAKE_OPTION_SINGLE_OBJECT
377 
378 #define FT_LOCAL( x ) static x
379 #define FT_LOCAL_DEF( x ) static x
380 
381 #else
382 
383 #ifdef __cplusplus
384 #define FT_LOCAL( x ) extern "C" x
385 #define FT_LOCAL_DEF( x ) extern "C" x
386 #else
387 #define FT_LOCAL( x ) extern x
388 #define FT_LOCAL_DEF( x ) x
389 #endif
390 
391 #endif /* FT_MAKE_OPTION_SINGLE_OBJECT */
392 
393 #define FT_LOCAL_ARRAY( x ) extern const x
394 #define FT_LOCAL_ARRAY_DEF( x ) const x
395 
396 
397  /* Use FT_BASE and FT_BASE_DEF to declare and define, respectively, */
398  /* functions that are used in more than a single module. In the */
399  /* current setup this implies that the declaration is in a header */
400  /* file in the `include/freetype/internal' directory, and the */
401  /* function body is in a file in `src/base'. */
402  /* */
403 #ifndef FT_BASE
404 
405 #ifdef __cplusplus
406 #define FT_BASE( x ) extern "C" x
407 #else
408 #define FT_BASE( x ) extern x
409 #endif
410 
411 #endif /* !FT_BASE */
412 
413 
414 #ifndef FT_BASE_DEF
415 
416 #ifdef __cplusplus
417 #define FT_BASE_DEF( x ) x
418 #else
419 #define FT_BASE_DEF( x ) x
420 #endif
421 
422 #endif /* !FT_BASE_DEF */
423 
424 
425  /* When compiling FreeType as a DLL, some systems/compilers need a */
426  /* special attribute in front OR after the return type of function */
427  /* declarations. */
428  /* */
429  /* Two macros are used within the FreeType source code to define */
430  /* exported library functions: FT_EXPORT and FT_EXPORT_DEF. */
431  /* */
432  /* FT_EXPORT( return_type ) */
433  /* */
434  /* is used in a function declaration, as in */
435  /* */
436  /* FT_EXPORT( FT_Error ) */
437  /* FT_Init_FreeType( FT_Library* alibrary ); */
438  /* */
439  /* */
440  /* FT_EXPORT_DEF( return_type ) */
441  /* */
442  /* is used in a function definition, as in */
443  /* */
444  /* FT_EXPORT_DEF( FT_Error ) */
445  /* FT_Init_FreeType( FT_Library* alibrary ) */
446  /* { */
447  /* ... some code ... */
448  /* return FT_Err_Ok; */
449  /* } */
450  /* */
451  /* You can provide your own implementation of FT_EXPORT and */
452  /* FT_EXPORT_DEF here if you want. */
453  /* */
454  /* To export a variable, use FT_EXPORT_VAR. */
455  /* */
456 #ifndef FT_EXPORT
457 
458 #ifdef __cplusplus
459 #define FT_EXPORT( x ) extern "C" x
460 #else
461 #define FT_EXPORT( x ) extern x
462 #endif
463 
464 #ifndef __REACTOS__
465 #ifdef _MSC_VER
466 #undef FT_EXPORT
467 #ifdef _DLL
468 #define FT_EXPORT( x ) __declspec( dllexport ) x
469 #else
470 #define FT_EXPORT( x ) __declspec( dllimport ) x
471 #endif
472 #endif
473 #endif /* !__REACTOS__ */
474 
475 #endif /* !FT_EXPORT */
476 
477 
478 #ifndef FT_EXPORT_DEF
479 
480 #ifdef __cplusplus
481 #define FT_EXPORT_DEF( x ) extern "C" x
482 #else
483 #define FT_EXPORT_DEF( x ) extern x
484 #endif
485 
486 #endif /* !FT_EXPORT_DEF */
487 
488 
489 #ifndef FT_EXPORT_VAR
490 
491 #ifdef __cplusplus
492 #define FT_EXPORT_VAR( x ) extern "C" x
493 #else
494 #define FT_EXPORT_VAR( x ) extern x
495 #endif
496 
497 #endif /* !FT_EXPORT_VAR */
498 
499 
500  /* The following macros are needed to compile the library with a */
501  /* C++ compiler and with 16bit compilers. */
502  /* */
503 
504  /* This is special. Within C++, you must specify `extern "C"' for */
505  /* functions which are used via function pointers, and you also */
506  /* must do that for structures which contain function pointers to */
507  /* assure C linkage -- it's not possible to have (local) anonymous */
508  /* functions which are accessed by (global) function pointers. */
509  /* */
510  /* */
511  /* FT_CALLBACK_DEF is used to _define_ a callback function, */
512  /* located in the same source code file as the structure that uses */
513  /* it. */
514  /* */
515  /* FT_BASE_CALLBACK and FT_BASE_CALLBACK_DEF are used to declare */
516  /* and define a callback function, respectively, in a similar way */
517  /* as FT_BASE and FT_BASE_DEF work. */
518  /* */
519  /* FT_CALLBACK_TABLE is used to _declare_ a constant variable that */
520  /* contains pointers to callback functions. */
521  /* */
522  /* FT_CALLBACK_TABLE_DEF is used to _define_ a constant variable */
523  /* that contains pointers to callback functions. */
524  /* */
525  /* */
526  /* Some 16bit compilers have to redefine these macros to insert */
527  /* the infamous `_cdecl' or `__fastcall' declarations. */
528  /* */
529 #ifndef FT_CALLBACK_DEF
530 #ifdef __cplusplus
531 #define FT_CALLBACK_DEF( x ) extern "C" x
532 #else
533 #define FT_CALLBACK_DEF( x ) static x
534 #endif
535 #endif /* FT_CALLBACK_DEF */
536 
537 #ifndef FT_BASE_CALLBACK
538 #ifdef __cplusplus
539 #define FT_BASE_CALLBACK( x ) extern "C" x
540 #define FT_BASE_CALLBACK_DEF( x ) extern "C" x
541 #else
542 #define FT_BASE_CALLBACK( x ) extern x
543 #define FT_BASE_CALLBACK_DEF( x ) x
544 #endif
545 #endif /* FT_BASE_CALLBACK */
546 
547 #ifndef FT_CALLBACK_TABLE
548 #ifdef __cplusplus
549 #define FT_CALLBACK_TABLE extern "C"
550 #define FT_CALLBACK_TABLE_DEF extern "C"
551 #else
552 #define FT_CALLBACK_TABLE extern
553 #define FT_CALLBACK_TABLE_DEF /* nothing */
554 #endif
555 #endif /* FT_CALLBACK_TABLE */
556 
557 
559 
560 
561 #endif /* FTCONFIG_H_ */
562 
563 
564 /* END */
unsigned short FT_UInt16
Definition: ftconfig.h:181
#define FT_END_HEADER
Definition: ftheader.h:54
#define FT_BEGIN_HEADER
Definition: ftheader.h:36
signed short FT_Int16
Definition: ftconfig.h:170
struct FT_Int64_ FT_Int64