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 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
  39 #ifndef __FTCONFIG_H__
  40 #define __FTCONFIG_H__
  41
  42 #include <ft2build.h>
  43 #include FT_CONFIG_OPTIONS_H
  44 #include FT_CONFIG_STANDARD_LIBRARY_H
  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 #endif
 138
 139
 140   /*************************************************************************/
 141   /*                                                                       */
 142   /* IntN types                                                            */
 143   /*                                                                       */
 144   /*   Used to guarantee the size of some specific integers.               */
 145   /*                                                                       */
 146   typedef signed short    FT_Int16;
 147   typedef unsigned short  FT_UInt16;
 148
 149 #if FT_SIZEOF_INT == (32 / FT_CHAR_BIT)
 150
 151   typedef signed int      FT_Int32;
 152   typedef unsigned int    FT_UInt32;
 153
 154 #elif FT_SIZEOF_LONG == (32 / FT_CHAR_BIT)
 155
 156   typedef signed long     FT_Int32;
 157   typedef unsigned long   FT_UInt32;
 158
 159 #else
 160 #error "no 32bit type found -- please check your configuration files"
 161 #endif
 162
 163   /* look up an integer type that is at least 32 bits */
 164 #if FT_SIZEOF_INT >= (32 / FT_CHAR_BIT)
 165
 166   typedef int            FT_Fast;
 167   typedef unsigned int   FT_UFast;
 168
 169 #elif FT_SIZEOF_LONG >= (32 / FT_CHAR_BIT)
 170
 171   typedef long           FT_Fast;
 172   typedef unsigned long  FT_UFast;
 173
 174 #endif
 175
 176
 177   /* determine whether we have a 64-bit int type for platforms without */
 178   /* Autoconf                                                          */
 179 #if FT_SIZEOF_LONG == (64 / FT_CHAR_BIT)
 180
 181   /* FT_LONG64 must be defined if a 64-bit type is available */
 182 #define FT_LONG64
 183 #define FT_INT64  long
 184
 185 #elif defined( _MSC_VER ) && _MSC_VER >= 900  /* Visual C++ (and Intel C++) */
 186
 187   /* this compiler provides the __int64 type */
 188 #define FT_LONG64
 189 #define FT_INT64  __int64
 190
 191 #elif defined( __BORLANDC__ )  /* Borland C++ */
 192
 193   /* XXXX: We should probably check the value of __BORLANDC__ in order */
 194   /*       to test the compiler version.                               */
 195
 196   /* this compiler provides the __int64 type */
 197 #define FT_LONG64
 198 #define FT_INT64  __int64
 199
 200 #elif defined( __WATCOMC__ )   /* Watcom C++ */
 201
 202   /* Watcom doesn't provide 64-bit data types */
 203
 204 #elif defined( __MWERKS__ )    /* Metrowerks CodeWarrior */
 205
 206 #define FT_LONG64
 207 #define FT_INT64  long long int
 208
 209 #elif defined( __GNUC__ )
 210
 211   /* GCC provides the `long long' type */
 212 #define FT_LONG64
 213 #define FT_INT64  long long int
 214
 215 #endif /* FT_SIZEOF_LONG == (64 / FT_CHAR_BIT) */
 216
 217
 218 #define FT_BEGIN_STMNT  do {
 219 #define FT_END_STMNT    } while ( 0 )
 220 #define FT_DUMMY_STMNT  FT_BEGIN_STMNT FT_END_STMNT
 221
 222
 223   /*************************************************************************/
 224   /*                                                                       */
 225   /* A 64-bit data type will create compilation problems if you compile    */
 226   /* in strict ANSI mode.  To avoid them, we disable their use if          */
 227   /* __STDC__ is defined.  You can however ignore this rule by             */
 228   /* defining the FT_CONFIG_OPTION_FORCE_INT64 configuration macro.        */
 229   /*                                                                       */
 230 #if defined( FT_LONG64 ) && !defined( FT_CONFIG_OPTION_FORCE_INT64 )
 231
 232 #ifdef __STDC__
 233
 234   /* undefine the 64-bit macros in strict ANSI compilation mode */
 235 #undef FT_LONG64
 236 #undef FT_INT64
 237
 238 #endif /* __STDC__ */
 239
 240 #endif /* FT_LONG64 && !FT_CONFIG_OPTION_FORCE_INT64 */
 241
 242
 243 #ifdef FT_MAKE_OPTION_SINGLE_OBJECT
 244
 245 #define FT_LOCAL( x )      static  x
 246 #define FT_LOCAL_DEF( x )  static  x
 247
 248 #else
 249
 250 #ifdef __cplusplus
 251 #define FT_LOCAL( x )      extern "C"  x
 252 #define FT_LOCAL_DEF( x )  extern "C"  x
 253 #else
 254 #define FT_LOCAL( x )      extern  x
 255 #define FT_LOCAL_DEF( x )  x
 256 #endif
 257
 258 #endif /* FT_MAKE_OPTION_SINGLE_OBJECT */
 259
 260
 261 #ifndef FT_BASE
 262
 263 #ifdef __cplusplus
 264 #define FT_BASE( x )  extern "C"  x
 265 #else
 266 #define FT_BASE( x )  extern  x
 267 #endif
 268
 269 #endif /* !FT_BASE */
 270
 271
 272 #ifndef FT_BASE_DEF
 273
 274 #ifdef __cplusplus
 275 #define FT_BASE_DEF( x )  x
 276 #else
 277 #define FT_BASE_DEF( x )  x
 278 #endif
 279
 280 #endif /* !FT_BASE_DEF */
 281
 282
 283 #ifndef FT_EXPORT
 284
 285 #ifdef __cplusplus
 286 #define FT_EXPORT( x )  extern "C"  x
 287 #else
 288 #define FT_EXPORT( x )  extern  x
 289 #endif
 290
 291 #endif /* !FT_EXPORT */
 292
 293
 294 #ifndef FT_EXPORT_DEF
 295
 296 #ifdef __cplusplus
 297 #define FT_EXPORT_DEF( x )  extern "C"  x
 298 #else
 299 #define FT_EXPORT_DEF( x )  extern  x
 300 #endif
 301
 302 #endif /* !FT_EXPORT_DEF */
 303
 304
 305 #ifndef FT_EXPORT_VAR
 306
 307 #ifdef __cplusplus
 308 #define FT_EXPORT_VAR( x )  extern "C"  x
 309 #else
 310 #define FT_EXPORT_VAR( x )  extern  x
 311 #endif
 312
 313 #endif /* !FT_EXPORT_VAR */
 314
 315   /* The following macros are needed to compile the library with a   */
 316   /* C++ compiler and with 16bit compilers.                          */
 317   /*                                                                 */
 318
 319   /* This is special.  Within C++, you must specify `extern "C"' for */
 320   /* functions which are used via function pointers, and you also    */
 321   /* must do that for structures which contain function pointers to  */
 322   /* assure C linkage -- it's not possible to have (local) anonymous */
 323   /* functions which are accessed by (global) function pointers.     */
 324   /*                                                                 */
 325   /*                                                                 */
 326   /* FT_CALLBACK_DEF is used to _define_ a callback function.        */
 327   /*                                                                 */
 328   /* FT_CALLBACK_TABLE is used to _declare_ a constant variable that */
 329   /* contains pointers to callback functions.                        */
 330   /*                                                                 */
 331   /* FT_CALLBACK_TABLE_DEF is used to _define_ a constant variable   */
 332   /* that contains pointers to callback functions.                   */
 333   /*                                                                 */
 334   /*                                                                 */
 335   /* Some 16bit compilers have to redefine these macros to insert    */
 336   /* the infamous `_cdecl' or `__fastcall' declarations.             */
 337   /*                                                                 */
 338 #ifndef FT_CALLBACK_DEF
 339 #ifdef __cplusplus
 340 #define FT_CALLBACK_DEF( x )  extern "C"  x
 341 #else
 342 #define FT_CALLBACK_DEF( x )  static  x
 343 #endif
 344 #endif /* FT_CALLBACK_DEF */
 345
 346 #ifndef FT_CALLBACK_TABLE
 347 #ifdef __cplusplus
 348 #define FT_CALLBACK_TABLE      extern "C"
 349 #define FT_CALLBACK_TABLE_DEF  extern "C"
 350 #else
 351 #define FT_CALLBACK_TABLE      extern
 352 #define FT_CALLBACK_TABLE_DEF  /* nothing */
 353 #endif
 354 #endif /* FT_CALLBACK_TABLE */
 355
 356
 357 FT_END_HEADER
 358
 359
 360 #endif /* __FTCONFIG_H__ */
 361
 362
 363 /* END */