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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 1996-2004, 2006-2008, 2010-2011 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  /*************************************************************************/
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 `freetype/builds/<system>', and */
31  /* contains system-specific files that are always included first when */
32  /* building the library. */
33  /* */
34  /* This ANSI version should stay in `include/freetype/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 
46 FT_BEGIN_HEADER
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  /* `freetype/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( DARWIN_NO_CARBON ) ) || \
124  ( defined( __MWERKS__ ) && defined( macintosh ) )
125  /* no Carbon frameworks for 64bit 10.4.x */
126  /* AvailabilityMacros.h is available since Mac OS X 10.2, */
127  /* so guess the system version by maximum errno before inclusion */
128 #include <errno.h>
129 #ifdef ECANCELED /* defined since 10.2 */
130 #include "AvailabilityMacros.h"
131 #endif
132 #if defined( __LP64__ ) && \
133  ( MAC_OS_X_VERSION_MIN_REQUIRED <= MAC_OS_X_VERSION_10_4 )
134 #define DARWIN_NO_CARBON 1
135 #else
136 #define FT_MACINTOSH 1
137 #endif
138 
139 #elif defined( __SC__ ) || defined( __MRC__ )
140  /* Classic MacOS compilers */
141 #include "ConditionalMacros.h"
142 #if TARGET_OS_MAC
143 #define FT_MACINTOSH 1
144 #endif
145 
146 #endif
147 
148 
149  /*************************************************************************/
150  /* */
151  /* <Section> */
152  /* basic_types */
153  /* */
154  /*************************************************************************/
155 
156 
157  /*************************************************************************/
158  /* */
159  /* <Type> */
160  /* FT_Int16 */
161  /* */
162  /* <Description> */
163  /* A typedef for a 16bit signed integer type. */
164  /* */
165  typedef signed short FT_Int16;
166 
167 
168  /*************************************************************************/
169  /* */
170  /* <Type> */
171  /* FT_UInt16 */
172  /* */
173  /* <Description> */
174  /* A typedef for a 16bit unsigned integer type. */
175  /* */
176  typedef unsigned short FT_UInt16;
177 
178  /* */
179 
180 
181  /* this #if 0 ... #endif clause is for documentation purposes */
182 #if 0
183 
184  /*************************************************************************/
185  /* */
186  /* <Type> */
187  /* FT_Int32 */
188  /* */
189  /* <Description> */
190  /* A typedef for a 32bit signed integer type. The size depends on */
191  /* the configuration. */
192  /* */
193  typedef signed XXX FT_Int32;
194 
195 
196  /*************************************************************************/
197  /* */
198  /* <Type> */
199  /* FT_UInt32 */
200  /* */
201  /* A typedef for a 32bit unsigned integer type. The size depends on */
202  /* the configuration. */
203  /* */
204  typedef unsigned XXX FT_UInt32;
205 
206  /* */
207 
208 #endif
209 
210 #if FT_SIZEOF_INT == (32 / FT_CHAR_BIT)
211 
212  typedef signed int FT_Int32;
213  typedef unsigned int FT_UInt32;
214 
215 #elif FT_SIZEOF_LONG == (32 / FT_CHAR_BIT)
216 
217  typedef signed long FT_Int32;
218  typedef unsigned long FT_UInt32;
219 
220 #else
221 #error "no 32bit type found -- please check your configuration files"
222 #endif
223 
224 
225  /* look up an integer type that is at least 32 bits */
226 #if FT_SIZEOF_INT >= (32 / FT_CHAR_BIT)
227 
228  typedef int FT_Fast;
229  typedef unsigned int FT_UFast;
230 
231 #elif FT_SIZEOF_LONG >= (32 / FT_CHAR_BIT)
232 
233  typedef long FT_Fast;
234  typedef unsigned long FT_UFast;
235 
236 #endif
237 
238 
239  /* determine whether we have a 64-bit int type for platforms without */
240  /* Autoconf */
241 #if FT_SIZEOF_LONG == (64 / FT_CHAR_BIT)
242 
243  /* FT_LONG64 must be defined if a 64-bit type is available */
244 #define FT_LONG64
245 #define FT_INT64 long
246 
247 #elif defined( _MSC_VER ) && _MSC_VER >= 900 /* Visual C++ (and Intel C++) */
248 
249  /* this compiler provides the __int64 type */
250 #define FT_LONG64
251 #define FT_INT64 __int64
252 
253 #elif defined( __BORLANDC__ ) /* Borland C++ */
254 
255  /* XXXX: We should probably check the value of __BORLANDC__ in order */
256  /* to test the compiler version. */
257 
258  /* this compiler provides the __int64 type */
259 #define FT_LONG64
260 #define FT_INT64 __int64
261 
262 #elif defined( __WATCOMC__ ) /* Watcom C++ */
263 
264  /* Watcom doesn't provide 64-bit data types */
265 
266 #elif defined( __MWERKS__ ) /* Metrowerks CodeWarrior */
267 
268 #define FT_LONG64
269 #define FT_INT64 long long int
270 
271 #elif defined( __GNUC__ )
272 
273  /* GCC provides the `long long' type */
274 #define FT_LONG64
275 #define FT_INT64 long long int
276 
277 #endif /* FT_SIZEOF_LONG == (64 / FT_CHAR_BIT) */
278 
279 
280  /*************************************************************************/
281  /* */
282  /* A 64-bit data type will create compilation problems if you compile */
283  /* in strict ANSI mode. To avoid them, we disable its use if __STDC__ */
284  /* is defined. You can however ignore this rule by defining the */
285  /* FT_CONFIG_OPTION_FORCE_INT64 configuration macro. */
286  /* */
287 #if defined( FT_LONG64 ) && !defined( FT_CONFIG_OPTION_FORCE_INT64 )
288 
289 #ifdef __STDC__
290 
291  /* undefine the 64-bit macros in strict ANSI compilation mode */
292 #undef FT_LONG64
293 #undef FT_INT64
294 
295 #endif /* __STDC__ */
296 
297 #endif /* FT_LONG64 && !FT_CONFIG_OPTION_FORCE_INT64 */
298 
299 
300 #define FT_BEGIN_STMNT do {
301 #define FT_END_STMNT } while ( 0 )
302 #define FT_DUMMY_STMNT FT_BEGIN_STMNT FT_END_STMNT
303 
304 
305 #ifndef FT_CONFIG_OPTION_NO_ASSEMBLER
306  /* Provide assembler fragments for performance-critical functions. */
307  /* These must be defined `static __inline__' with GCC. */
308 
309 #if defined( __CC_ARM ) || defined( __ARMCC__ ) /* RVCT */
310 #define FT_MULFIX_ASSEMBLER FT_MulFix_arm
311 
312  /* documentation is in freetype.h */
313 
314  static __inline FT_Int32
315  FT_MulFix_arm( FT_Int32 a,
316  FT_Int32 b )
317  {
318  register FT_Int32 t, t2;
319 
320 
321  __asm
322  {
323  smull t2, t, b, a /* (lo=t2,hi=t) = a*b */
324  mov a, t, asr #31 /* a = (hi >> 31) */
325  add a, a, #0x8000 /* a += 0x8000 */
326  adds t2, t2, a /* t2 += a */
327  adc t, t, #0 /* t += carry */
328  mov a, t2, lsr #16 /* a = t2 >> 16 */
329  orr a, a, t, lsl #16 /* a |= t << 16 */
330  }
331  return a;
332  }
333 
334 #endif /* __CC_ARM || __ARMCC__ */
335 
336 
337 #ifdef __GNUC__
338 
339 #if defined( __arm__ ) && !defined( __thumb__ ) && \
340  !( defined( __CC_ARM ) || defined( __ARMCC__ ) )
341 #define FT_MULFIX_ASSEMBLER FT_MulFix_arm
342 
343  /* documentation is in freetype.h */
344 
345  static __inline__ FT_Int32
346  FT_MulFix_arm( FT_Int32 a,
347  FT_Int32 b )
348  {
349  register FT_Int32 t, t2;
350 
351 
352  __asm__ __volatile__ (
353  "smull %1, %2, %4, %3\n\t" /* (lo=%1,hi=%2) = a*b */
354  "mov %0, %2, asr #31\n\t" /* %0 = (hi >> 31) */
355  "add %0, %0, #0x8000\n\t" /* %0 += 0x8000 */
356  "adds %1, %1, %0\n\t" /* %1 += %0 */
357  "adc %2, %2, #0\n\t" /* %2 += carry */
358  "mov %0, %1, lsr #16\n\t" /* %0 = %1 >> 16 */
359  "orr %0, %0, %2, lsl #16\n\t" /* %0 |= %2 << 16 */
360  : "=r"(a), "=&r"(t2), "=&r"(t)
361  : "r"(a), "r"(b) );
362  return a;
363  }
364 
365 #endif /* __arm__ && !__thumb__ && !( __CC_ARM || __ARMCC__ ) */
366 
367 #if defined( __i386__ )
368 #define FT_MULFIX_ASSEMBLER FT_MulFix_i386
369 
370  /* documentation is in freetype.h */
371 
372  static __inline__ FT_Int32
373  FT_MulFix_i386( FT_Int32 a,
374  FT_Int32 b )
375  {
376  register FT_Int32 result;
377 
378 
379  __asm__ __volatile__ (
380  "imul %%edx\n"
381  "movl %%edx, %%ecx\n"
382  "sarl $31, %%ecx\n"
383  "addl $0x8000, %%ecx\n"
384  "addl %%ecx, %%eax\n"
385  "adcl $0, %%edx\n"
386  "shrl $16, %%eax\n"
387  "shll $16, %%edx\n"
388  "addl %%edx, %%eax\n"
389  : "=a"(result), "=d"(b)
390  : "a"(a), "d"(b)
391  : "%ecx", "cc" );
392  return result;
393  }
394 
395 #endif /* i386 */
396 
397 #endif /* __GNUC__ */
398 
399 
400 #ifdef _MSC_VER /* Visual C++ */
401 
402 #ifdef _M_IX86
403 
404 #define FT_MULFIX_ASSEMBLER FT_MulFix_i386
405 
406  /* documentation is in freetype.h */
407 
408  static __inline FT_Int32
409  FT_MulFix_i386( FT_Int32 a,
410  FT_Int32 b )
411  {
412  register FT_Int32 result;
413 
414  __asm
415  {
416  mov eax, a
417  mov edx, b
418  imul edx
419  mov ecx, edx
420  sar ecx, 31
421  add ecx, 8000h
422  add eax, ecx
423  adc edx, 0
424  shr eax, 16
425  shl edx, 16
426  add eax, edx
427  mov result, eax
428  }
429  return result;
430  }
431 
432 #endif /* _M_IX86 */
433 
434 #endif /* _MSC_VER */
435 
436 #endif /* !FT_CONFIG_OPTION_NO_ASSEMBLER */
437 
438 
439 #ifdef FT_CONFIG_OPTION_INLINE_MULFIX
440 #ifdef FT_MULFIX_ASSEMBLER
441 #define FT_MULFIX_INLINED FT_MULFIX_ASSEMBLER
442 #endif
443 #endif
444 
445 #ifdef _WINDOWS
446 #ifdef BUILD_FREETYPE2_DLL
447 #define FT_EXPORT(x) extern __declspec(dllexport) x
448 #define FT_EXPORT_DEF(x) __declspec(dllexport) x
449 #else
450 #define FT_EXPORT(x) extern "C" __declspec(dllimport) x
451 #define FT_EXPORT_DEF(x) extern "C" __declspec(dllimport) x
452 #endif
453 #endif
454 
455 #ifdef FT_MAKE_OPTION_SINGLE_OBJECT
456 
457 #define FT_LOCAL( x ) static x
458 #define FT_LOCAL_DEF( x ) static x
459 
460 #else
461 
462 #ifdef __cplusplus
463 #define FT_LOCAL( x ) extern "C" x
464 #define FT_LOCAL_DEF( x ) extern "C" x
465 #else
466 #define FT_LOCAL( x ) extern x
467 #define FT_LOCAL_DEF( x ) x
468 #endif
469 
470 #endif /* FT_MAKE_OPTION_SINGLE_OBJECT */
471 
472 
473 #ifndef FT_BASE
474 
475 #ifdef __cplusplus
476 #define FT_BASE( x ) extern "C" x
477 #else
478 #define FT_BASE( x ) extern x
479 #endif
480 
481 #endif /* !FT_BASE */
482 
483 
484 #ifndef FT_BASE_DEF
485 
486 #ifdef __cplusplus
487 #define FT_BASE_DEF( x ) x
488 #else
489 #define FT_BASE_DEF( x ) x
490 #endif
491 
492 #endif /* !FT_BASE_DEF */
493 
494 
495 #ifndef FT_EXPORT
496 
497 #ifdef __cplusplus
498 #define FT_EXPORT( x ) extern "C" x
499 #else
500 #define FT_EXPORT( x ) extern x
501 #endif
502 
503 #endif /* !FT_EXPORT */
504 
505 
506 #ifndef FT_EXPORT_DEF
507 
508 #ifdef __cplusplus
509 #define FT_EXPORT_DEF( x ) extern "C" x
510 #else
511 #define FT_EXPORT_DEF( x ) extern x
512 #endif
513 
514 #endif /* !FT_EXPORT_DEF */
515 
516 
517 #ifndef FT_EXPORT_VAR
518 
519 #ifdef __cplusplus
520 #define FT_EXPORT_VAR( x ) extern "C" x
521 #else
522 #define FT_EXPORT_VAR( x ) extern x
523 #endif
524 
525 #endif /* !FT_EXPORT_VAR */
526 
527  /* The following macros are needed to compile the library with a */
528  /* C++ compiler and with 16bit compilers. */
529  /* */
530 
531  /* This is special. Within C++, you must specify `extern "C"' for */
532  /* functions which are used via function pointers, and you also */
533  /* must do that for structures which contain function pointers to */
534  /* assure C linkage -- it's not possible to have (local) anonymous */
535  /* functions which are accessed by (global) function pointers. */
536  /* */
537  /* */
538  /* FT_CALLBACK_DEF is used to _define_ a callback function. */
539  /* */
540  /* FT_CALLBACK_TABLE is used to _declare_ a constant variable that */
541  /* contains pointers to callback functions. */
542  /* */
543  /* FT_CALLBACK_TABLE_DEF is used to _define_ a constant variable */
544  /* that contains pointers to callback functions. */
545  /* */
546  /* */
547  /* Some 16bit compilers have to redefine these macros to insert */
548  /* the infamous `_cdecl' or `__fastcall' declarations. */
549  /* */
550 #ifndef FT_CALLBACK_DEF
551 #ifdef __cplusplus
552 #define FT_CALLBACK_DEF( x ) extern "C" x
553 #else
554 #define FT_CALLBACK_DEF( x ) static x
555 #endif
556 #endif /* FT_CALLBACK_DEF */
557 
558 #ifndef FT_CALLBACK_TABLE
559 #ifdef __cplusplus
560 #define FT_CALLBACK_TABLE extern "C"
561 #define FT_CALLBACK_TABLE_DEF extern "C"
562 #else
563 #define FT_CALLBACK_TABLE extern
564 #define FT_CALLBACK_TABLE_DEF /* nothing */
565 #endif
566 #endif /* FT_CALLBACK_TABLE */
567 
568 FT_END_HEADER
569 
570 
571 #endif /* __FTCONFIG_H__ */
572 
573 
574 /* END */
__inline__
#define __inline__
Definition: begin_code.h:119
h
GLfloat GLfloat GLfloat GLfloat h
Definition: glew.h:7294
FT_UInt16
unsigned short FT_UInt16
Definition: ftconfig.h:176
FT_END_HEADER
#define FT_END_HEADER
Definition: ftheader.h:54
t2
t2
Definition: e_log.c:151
t
GLdouble GLdouble t
Definition: glew.h:1384
a
GLboolean GLboolean GLboolean GLboolean a
Definition: glew.h:8736
FT_BEGIN_HEADER
#define FT_BEGIN_HEADER
Definition: ftheader.h:36
result
GLuint64EXT * result
Definition: glew.h:12708
FT_Int16
signed short FT_Int16
Definition: ftconfig.h:165
b
GLdouble GLdouble GLdouble b
Definition: glew.h:8383