reactos/lib/3rdparty/freetype/include/freetype/config/ftconfig.h

   1 /***************************************************************************/
   2 /*                                                                         */
   3 /*  ftconfig.h                                                             */
   4 /*                                                                         */
   5 /*    ANSI-specific configuration file (specification only).               */
   6 /*                                                                         */
   7 /*  Copyright 1996-2001, 2002, 2003, 2004, 2006, 2007, 2008, 2010 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   /* Preferred alignment of data */
  99 #define FT_ALIGNMENT  8
 100
 101
 102   /* FT_UNUSED is a macro used to indicate that a given parameter is not  */
 103   /* used -- this is only used to get rid of unpleasant compiler warnings */
 104 #ifndef FT_UNUSED
 105 #define FT_UNUSED( arg )  ( (arg) = (arg) )
 106 #endif
 107
 108
 109   /*************************************************************************/
 110   /*                                                                       */
 111   /*                     AUTOMATIC CONFIGURATION MACROS                    */
 112   /*                                                                       */
 113   /* These macros are computed from the ones defined above.  Don't touch   */
 114   /* their definition, unless you know precisely what you are doing.  No   */
 115   /* porter should need to mess with them.                                 */
 116   /*                                                                       */
 117   /*************************************************************************/
 118
 119
 120   /*************************************************************************/
 121   /*                                                                       */
 122   /* Mac support                                                           */
 123   /*                                                                       */
 124   /*   This is the only necessary change, so it is defined here instead    */
 125   /*   providing a new configuration file.                                 */
 126   /*                                                                       */
 127 #if ( defined( __APPLE__ ) && !defined( DARWIN_NO_CARBON ) ) || \
 128     ( defined( __MWERKS__ ) && defined( macintosh )        )
 129   /* no Carbon frameworks for 64bit 10.4.x */
 130 #include "AvailabilityMacros.h"
 131 #if defined( __LP64__ ) && \
 132     ( MAC_OS_X_VERSION_MIN_REQUIRED <= MAC_OS_X_VERSION_10_4 )
 133 #define DARWIN_NO_CARBON 1
 134 #else
 135 #define FT_MACINTOSH 1
 136 #endif
 137
 138 #elif defined( __SC__ ) || defined( __MRC__ )
 139   /* Classic MacOS compilers */
 140 #include "ConditionalMacros.h"
 141 #if TARGET_OS_MAC
 142 #define FT_MACINTOSH 1
 143 #endif
 144
 145 #endif
 146
 147
 148   /*************************************************************************/
 149   /*                                                                       */
 150   /* <Section>                                                             */
 151   /*    basic_types                                                        */
 152   /*                                                                       */
 153   /*************************************************************************/
 154
 155
 156   /*************************************************************************/
 157   /*                                                                       */
 158   /* <Type>                                                                */
 159   /*    FT_Int16                                                           */
 160   /*                                                                       */
 161   /* <Description>                                                         */
 162   /*    A typedef for a 16bit signed integer type.                         */
 163   /*                                                                       */
 164   typedef signed short  FT_Int16;
 165
 166
 167   /*************************************************************************/
 168   /*                                                                       */
 169   /* <Type>                                                                */
 170   /*    FT_UInt16                                                          */
 171   /*                                                                       */
 172   /* <Description>                                                         */
 173   /*    A typedef for a 16bit unsigned integer type.                       */
 174   /*                                                                       */
 175   typedef unsigned short  FT_UInt16;
 176
 177   /* */
 178
 179
 180   /* this #if 0 ... #endif clause is for documentation purposes */
 181 #if 0
 182
 183   /*************************************************************************/
 184   /*                                                                       */
 185   /* <Type>                                                                */
 186   /*    FT_Int32                                                           */
 187   /*                                                                       */
 188   /* <Description>                                                         */
 189   /*    A typedef for a 32bit signed integer type.  The size depends on    */
 190   /*    the configuration.                                                 */
 191   /*                                                                       */
 192   typedef signed XXX  FT_Int32;
 193
 194
 195   /*************************************************************************/
 196   /*                                                                       */
 197   /* <Type>                                                                */
 198   /*    FT_UInt32                                                          */
 199   /*                                                                       */
 200   /*    A typedef for a 32bit unsigned integer type.  The size depends on  */
 201   /*    the configuration.                                                 */
 202   /*                                                                       */
 203   typedef unsigned XXX  FT_UInt32;
 204
 205   /* */
 206
 207 #endif
 208
 209 #if FT_SIZEOF_INT == (32 / FT_CHAR_BIT)
 210
 211   typedef signed int      FT_Int32;
 212   typedef unsigned int    FT_UInt32;
 213
 214 #elif FT_SIZEOF_LONG == (32 / FT_CHAR_BIT)
 215
 216   typedef signed long     FT_Int32;
 217   typedef unsigned long   FT_UInt32;
 218
 219 #else
 220 #error "no 32bit type found -- please check your configuration files"
 221 #endif
 222
 223
 224   /* look up an integer type that is at least 32 bits */
 225 #if FT_SIZEOF_INT >= (32 / FT_CHAR_BIT)
 226
 227   typedef int            FT_Fast;
 228   typedef unsigned int   FT_UFast;
 229
 230 #elif FT_SIZEOF_LONG >= (32 / FT_CHAR_BIT)
 231
 232   typedef long           FT_Fast;
 233   typedef unsigned long  FT_UFast;
 234
 235 #endif
 236
 237
 238   /* determine whether we have a 64-bit int type for platforms without */
 239   /* Autoconf                                                          */
 240 #if FT_SIZEOF_LONG == (64 / FT_CHAR_BIT)
 241
 242   /* FT_LONG64 must be defined if a 64-bit type is available */
 243 #define FT_LONG64
 244 #define FT_INT64  long
 245
 246 #elif defined( _MSC_VER ) && _MSC_VER >= 900  /* Visual C++ (and Intel C++) */
 247
 248   /* this compiler provides the __int64 type */
 249 #define FT_LONG64
 250 #define FT_INT64  __int64
 251
 252 #elif defined( __BORLANDC__ )  /* Borland C++ */
 253
 254   /* XXXX: We should probably check the value of __BORLANDC__ in order */
 255   /*       to test the compiler version.                               */
 256
 257   /* this compiler provides the __int64 type */
 258 #define FT_LONG64
 259 #define FT_INT64  __int64
 260
 261 #elif defined( __WATCOMC__ )   /* Watcom C++ */
 262
 263   /* Watcom doesn't provide 64-bit data types */
 264
 265 #elif defined( __MWERKS__ )    /* Metrowerks CodeWarrior */
 266
 267 #define FT_LONG64
 268 #define FT_INT64  long long int
 269
 270 #elif defined( __GNUC__ )
 271
 272   /* GCC provides the `long long' type */
 273 #define FT_LONG64
 274 #define FT_INT64  long long int
 275
 276 #endif /* FT_SIZEOF_LONG == (64 / FT_CHAR_BIT) */
 277
 278
 279   /*************************************************************************/
 280   /*                                                                       */
 281   /* A 64-bit data type will create compilation problems if you compile    */
 282   /* in strict ANSI mode.  To avoid them, we disable its use if __STDC__   */
 283   /* is defined.  You can however ignore this rule by defining the         */
 284   /* FT_CONFIG_OPTION_FORCE_INT64 configuration macro.                     */
 285   /*                                                                       */
 286 #if defined( FT_LONG64 ) && !defined( FT_CONFIG_OPTION_FORCE_INT64 )
 287
 288 #ifdef __STDC__
 289
 290   /* undefine the 64-bit macros in strict ANSI compilation mode */
 291 #undef FT_LONG64
 292 #undef FT_INT64
 293
 294 #endif /* __STDC__ */
 295
 296 #endif /* FT_LONG64 && !FT_CONFIG_OPTION_FORCE_INT64 */
 297
 298
 299 #define FT_BEGIN_STMNT  do {
 300 #define FT_END_STMNT    } while ( 0 )
 301 #define FT_DUMMY_STMNT  FT_BEGIN_STMNT FT_END_STMNT
 302
 303
 304 #ifndef  FT_CONFIG_OPTION_NO_ASSEMBLER
 305   /* Provide assembler fragments for performance-critical functions. */
 306   /* These must be defined `static __inline__' with GCC.             */
 307
 308 #if defined( __CC_ARM ) || defined( __ARMCC__ )  /* RVCT */
 309 #define FT_MULFIX_ASSEMBLER  FT_MulFix_arm
 310
 311   /* documentation is in freetype.h */
 312
 313   static __inline FT_Int32
 314   FT_MulFix_arm( FT_Int32  a,
 315                  FT_Int32  b )
 316   {
 317     register FT_Int32  t, t2;
 318
 319
 320     __asm
 321     {
 322       smull t2, t,  b,  a           /* (lo=t2,hi=t) = a*b */
 323       mov   a,  t,  asr #31         /* a   = (hi >> 31) */
 324       add   a,  a,  #0x8000         /* a  += 0x8000 */
 325       adds  t2, t2, a               /* t2 += a */
 326       adc   t,  t,  #0              /* t  += carry */
 327       mov   a,  t2, lsr #16         /* a   = t2 >> 16 */
 328       orr   a,  a,  t,  lsl #16     /* a  |= t << 16 */
 329     }
 330     return a;
 331   }
 332
 333 #endif /* __CC_ARM || __ARMCC__ */
 334
 335
 336 #ifdef __GNUC__
 337
 338 #if defined( __arm__ ) && !defined( __thumb__ )    && \
 339     !( defined( __CC_ARM ) || defined( __ARMCC__ ) )
 340 #define FT_MULFIX_ASSEMBLER  FT_MulFix_arm
 341
 342   /* documentation is in freetype.h */
 343
 344   static __inline__ FT_Int32
 345   FT_MulFix_arm( FT_Int32  a,
 346                  FT_Int32  b )
 347   {
 348     register FT_Int32  t, t2;
 349
 350
 351     asm __volatile__ (
 352       "smull  %1, %2, %4, %3\n\t"   /* (lo=%1,hi=%2) = a*b */
 353       "mov    %0, %2, asr #31\n\t"  /* %0  = (hi >> 31) */
 354       "add    %0, %0, #0x8000\n\t"  /* %0 += 0x8000 */
 355       "adds   %1, %1, %0\n\t"       /* %1 += %0 */
 356       "adc    %2, %2, #0\n\t"       /* %2 += carry */
 357       "mov    %0, %1, lsr #16\n\t"  /* %0  = %1 >> 16 */
 358       "orr    %0, %2, lsl #16\n\t"  /* %0 |= %2 << 16 */
 359       : "=r"(a), "=&r"(t2), "=&r"(t)
 360       : "r"(a), "r"(b) );
 361     return a;
 362   }
 363
 364 #endif /* __arm__ && !__thumb__ && !( __CC_ARM || __ARMCC__ ) */
 365
 366 #if defined( __i386__ )
 367 #define FT_MULFIX_ASSEMBLER  FT_MulFix_i386
 368
 369   /* documentation is in freetype.h */
 370
 371   static __inline__ FT_Int32
 372   FT_MulFix_i386( FT_Int32  a,
 373                   FT_Int32  b )
 374   {
 375     register FT_Int32  result;
 376
 377
 378     __asm__ __volatile__ (
 379       "imul  %%edx\n"
 380       "movl  %%edx, %%ecx\n"
 381       "sarl  $31, %%ecx\n"
 382       "addl  $0x8000, %%ecx\n"
 383       "addl  %%ecx, %%eax\n"
 384       "adcl  $0, %%edx\n"
 385       "shrl  $16, %%eax\n"
 386       "shll  $16, %%edx\n"
 387       "addl  %%edx, %%eax\n"
 388       : "=a"(result), "=d"(b)
 389       : "a"(a), "d"(b)
 390       : "%ecx", "cc" );
 391     return result;
 392   }
 393
 394 #endif /* i386 */
 395
 396 #endif /* __GNUC__ */
 397
 398 #endif /* !FT_CONFIG_OPTION_NO_ASSEMBLER */
 399
 400
 401 #ifdef FT_CONFIG_OPTION_INLINE_MULFIX
 402 #ifdef FT_MULFIX_ASSEMBLER
 403 #define FT_MULFIX_INLINED  FT_MULFIX_ASSEMBLER
 404 #endif
 405 #endif
 406
 407
 408 #ifdef FT_MAKE_OPTION_SINGLE_OBJECT
 409
 410 #define FT_LOCAL( x )      static  x
 411 #define FT_LOCAL_DEF( x )  static  x
 412
 413 #else
 414
 415 #ifdef __cplusplus
 416 #define FT_LOCAL( x )      extern "C"  x
 417 #define FT_LOCAL_DEF( x )  extern "C"  x
 418 #else
 419 #define FT_LOCAL( x )      extern  x
 420 #define FT_LOCAL_DEF( x )  x
 421 #endif
 422
 423 #endif /* FT_MAKE_OPTION_SINGLE_OBJECT */
 424
 425
 426 #ifndef FT_BASE
 427
 428 #ifdef __cplusplus
 429 #define FT_BASE( x )  extern "C"  x
 430 #else
 431 #define FT_BASE( x )  extern  x
 432 #endif
 433
 434 #endif /* !FT_BASE */
 435
 436
 437 #ifndef FT_BASE_DEF
 438
 439 #ifdef __cplusplus
 440 #define FT_BASE_DEF( x )  x
 441 #else
 442 #define FT_BASE_DEF( x )  x
 443 #endif
 444
 445 #endif /* !FT_BASE_DEF */
 446
 447
 448 #ifndef FT_EXPORT
 449
 450 #ifdef __cplusplus
 451 #define FT_EXPORT( x )  extern "C"  x
 452 #else
 453 #define FT_EXPORT( x )  extern  x
 454 #endif
 455
 456 #endif /* !FT_EXPORT */
 457
 458
 459 #ifndef FT_EXPORT_DEF
 460
 461 #ifdef __cplusplus
 462 #define FT_EXPORT_DEF( x )  extern "C"  x
 463 #else
 464 #define FT_EXPORT_DEF( x )  extern  x
 465 #endif
 466
 467 #endif /* !FT_EXPORT_DEF */
 468
 469
 470 #ifndef FT_EXPORT_VAR
 471
 472 #ifdef __cplusplus
 473 #define FT_EXPORT_VAR( x )  extern "C"  x
 474 #else
 475 #define FT_EXPORT_VAR( x )  extern  x
 476 #endif
 477
 478 #endif /* !FT_EXPORT_VAR */
 479
 480   /* The following macros are needed to compile the library with a   */
 481   /* C++ compiler and with 16bit compilers.                          */
 482   /*                                                                 */
 483
 484   /* This is special.  Within C++, you must specify `extern "C"' for */
 485   /* functions which are used via function pointers, and you also    */
 486   /* must do that for structures which contain function pointers to  */
 487   /* assure C linkage -- it's not possible to have (local) anonymous */
 488   /* functions which are accessed by (global) function pointers.     */
 489   /*                                                                 */
 490   /*                                                                 */
 491   /* FT_CALLBACK_DEF is used to _define_ a callback function.        */
 492   /*                                                                 */
 493   /* FT_CALLBACK_TABLE is used to _declare_ a constant variable that */
 494   /* contains pointers to callback functions.                        */
 495   /*                                                                 */
 496   /* FT_CALLBACK_TABLE_DEF is used to _define_ a constant variable   */
 497   /* that contains pointers to callback functions.                   */
 498   /*                                                                 */
 499   /*                                                                 */
 500   /* Some 16bit compilers have to redefine these macros to insert    */
 501   /* the infamous `_cdecl' or `__fastcall' declarations.             */
 502   /*                                                                 */
 503 #ifndef FT_CALLBACK_DEF
 504 #ifdef __cplusplus
 505 #define FT_CALLBACK_DEF( x )  extern "C"  x
 506 #else
 507 #define FT_CALLBACK_DEF( x )  static  x
 508 #endif
 509 #endif /* FT_CALLBACK_DEF */
 510
 511 #ifndef FT_CALLBACK_TABLE
 512 #ifdef __cplusplus
 513 #define FT_CALLBACK_TABLE      extern "C"
 514 #define FT_CALLBACK_TABLE_DEF  extern "C"
 515 #else
 516 #define FT_CALLBACK_TABLE      extern
 517 #define FT_CALLBACK_TABLE_DEF  /* nothing */
 518 #endif
 519 #endif /* FT_CALLBACK_TABLE */
 520
 521
 522 FT_END_HEADER
 523
 524
 525 #endif /* __FTCONFIG_H__ */
 526
 527
 528 /* END */