ftconfig.h revision 9c745321260bb728ab1cd1c8fd5f075854b2ad49
1/***************************************************************************/ 2/* */ 3/* ftconfig.h */ 4/* */ 5/* ANSI-specific configuration file (specification only). */ 6/* */ 7/* Copyright 1996-2004, 2006-2008, 2010-2011, 2013, 2014 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 46FT_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 /* `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 /*************************************************************************/ 147 /* */ 148 /* <Section> */ 149 /* basic_types */ 150 /* */ 151 /*************************************************************************/ 152 153 154 /*************************************************************************/ 155 /* */ 156 /* <Type> */ 157 /* FT_Int16 */ 158 /* */ 159 /* <Description> */ 160 /* A typedef for a 16bit signed integer type. */ 161 /* */ 162 typedef signed short FT_Int16; 163 164 165 /*************************************************************************/ 166 /* */ 167 /* <Type> */ 168 /* FT_UInt16 */ 169 /* */ 170 /* <Description> */ 171 /* A typedef for a 16bit unsigned integer type. */ 172 /* */ 173 typedef unsigned short FT_UInt16; 174 175 /* */ 176 177 178 /* this #if 0 ... #endif clause is for documentation purposes */ 179#if 0 180 181 /*************************************************************************/ 182 /* */ 183 /* <Type> */ 184 /* FT_Int32 */ 185 /* */ 186 /* <Description> */ 187 /* A typedef for a 32bit signed integer type. The size depends on */ 188 /* the configuration. */ 189 /* */ 190 typedef signed XXX FT_Int32; 191 192 193 /*************************************************************************/ 194 /* */ 195 /* <Type> */ 196 /* FT_UInt32 */ 197 /* */ 198 /* A typedef for a 32bit unsigned integer type. The size depends on */ 199 /* the configuration. */ 200 /* */ 201 typedef unsigned XXX FT_UInt32; 202 203 204 /*************************************************************************/ 205 /* */ 206 /* <Type> */ 207 /* FT_Int64 */ 208 /* */ 209 /* A typedef for a 64bit signed integer type. The size depends on */ 210 /* the configuration. Only defined if there is real 64bit support; */ 211 /* otherwise, it gets emulated with a structure (if necessary). */ 212 /* */ 213 typedef signed XXX FT_Int64; 214 215 216 /*************************************************************************/ 217 /* */ 218 /* <Type> */ 219 /* FT_UInt64 */ 220 /* */ 221 /* A typedef for a 64bit unsigned integer type. The size depends on */ 222 /* the configuration. Only defined if there is real 64bit support; */ 223 /* otherwise, it gets emulated with a structure (if necessary). */ 224 /* */ 225 typedef unsigned XXX FT_UInt64; 226 227 /* */ 228 229#endif 230 231#if FT_SIZEOF_INT == (32 / FT_CHAR_BIT) 232 233 typedef signed int FT_Int32; 234 typedef unsigned int FT_UInt32; 235 236#elif FT_SIZEOF_LONG == (32 / FT_CHAR_BIT) 237 238 typedef signed long FT_Int32; 239 typedef unsigned long FT_UInt32; 240 241#else 242#error "no 32bit type found -- please check your configuration files" 243#endif 244 245 246 /* look up an integer type that is at least 32 bits */ 247#if FT_SIZEOF_INT >= (32 / FT_CHAR_BIT) 248 249 typedef int FT_Fast; 250 typedef unsigned int FT_UFast; 251 252#elif FT_SIZEOF_LONG >= (32 / FT_CHAR_BIT) 253 254 typedef long FT_Fast; 255 typedef unsigned long FT_UFast; 256 257#endif 258 259 260 /* determine whether we have a 64-bit int type for platforms without */ 261 /* Autoconf */ 262#if FT_SIZEOF_LONG == (64 / FT_CHAR_BIT) 263 264 /* FT_LONG64 must be defined if a 64-bit type is available */ 265#define FT_LONG64 266#define FT_INT64 long 267#define FT_UINT64 unsigned long 268 269#elif defined( _MSC_VER ) && _MSC_VER >= 900 /* Visual C++ (and Intel C++) */ 270 271 /* this compiler provides the __int64 type */ 272#define FT_LONG64 273#define FT_INT64 __int64 274#define FT_UINT64 unsigned __int64 275 276#elif defined( __BORLANDC__ ) /* Borland C++ */ 277 278 /* XXXX: We should probably check the value of __BORLANDC__ in order */ 279 /* to test the compiler version. */ 280 281 /* this compiler provides the __int64 type */ 282#define FT_LONG64 283#define FT_INT64 __int64 284#define FT_UINT64 unsigned __int64 285 286#elif defined( __WATCOMC__ ) /* Watcom C++ */ 287 288 /* Watcom doesn't provide 64-bit data types */ 289 290#elif defined( __MWERKS__ ) /* Metrowerks CodeWarrior */ 291 292#define FT_LONG64 293#define FT_INT64 long long int 294#define FT_UINT64 unsigned long long int 295 296#elif defined( __GNUC__ ) 297 298 /* GCC provides the `long long' type */ 299#define FT_LONG64 300#define FT_INT64 long long int 301#define FT_UINT64 unsigned long long int 302 303#endif /* FT_SIZEOF_LONG == (64 / FT_CHAR_BIT) */ 304 305 306 /*************************************************************************/ 307 /* */ 308 /* A 64-bit data type will create compilation problems if you compile */ 309 /* in strict ANSI mode. To avoid them, we disable its use if __STDC__ */ 310 /* is defined. You can however ignore this rule by defining the */ 311 /* FT_CONFIG_OPTION_FORCE_INT64 configuration macro. */ 312 /* */ 313#if defined( FT_LONG64 ) && !defined( FT_CONFIG_OPTION_FORCE_INT64 ) 314 315#ifdef __STDC__ 316 317 /* undefine the 64-bit macros in strict ANSI compilation mode */ 318#undef FT_LONG64 319#undef FT_INT64 320 321#endif /* __STDC__ */ 322 323#endif /* FT_LONG64 && !FT_CONFIG_OPTION_FORCE_INT64 */ 324 325#ifdef FT_LONG64 326 typedef FT_INT64 FT_Int64; 327 typedef FT_UINT64 FT_UInt64; 328#endif 329 330 331#define FT_BEGIN_STMNT do { 332#define FT_END_STMNT } while ( 0 ) 333#define FT_DUMMY_STMNT FT_BEGIN_STMNT FT_END_STMNT 334 335 336#ifdef FT_MAKE_OPTION_SINGLE_OBJECT 337 338#define FT_LOCAL( x ) static x 339#define FT_LOCAL_DEF( x ) static x 340 341#else 342 343#ifdef __cplusplus 344#define FT_LOCAL( x ) extern "C" x 345#define FT_LOCAL_DEF( x ) extern "C" x 346#else 347#define FT_LOCAL( x ) extern x 348#define FT_LOCAL_DEF( x ) x 349#endif 350 351#endif /* FT_MAKE_OPTION_SINGLE_OBJECT */ 352 353#define FT_LOCAL_ARRAY( x ) extern const x 354#define FT_LOCAL_ARRAY_DEF( x ) const x 355 356 357#ifndef FT_BASE 358 359#ifdef __cplusplus 360#define FT_BASE( x ) extern "C" x 361#else 362#define FT_BASE( x ) extern x 363#endif 364 365#endif /* !FT_BASE */ 366 367 368#ifndef FT_BASE_DEF 369 370#ifdef __cplusplus 371#define FT_BASE_DEF( x ) x 372#else 373#define FT_BASE_DEF( x ) x 374#endif 375 376#endif /* !FT_BASE_DEF */ 377 378 379#ifndef FT_EXPORT 380 381#ifdef __cplusplus 382#define FT_EXPORT( x ) extern "C" x 383#else 384#define FT_EXPORT( x ) extern x 385#endif 386 387#endif /* !FT_EXPORT */ 388 389 390#ifndef FT_EXPORT_DEF 391 392#ifdef __cplusplus 393#define FT_EXPORT_DEF( x ) extern "C" x 394#else 395#define FT_EXPORT_DEF( x ) extern x 396#endif 397 398#endif /* !FT_EXPORT_DEF */ 399 400 401#ifndef FT_EXPORT_VAR 402 403#ifdef __cplusplus 404#define FT_EXPORT_VAR( x ) extern "C" x 405#else 406#define FT_EXPORT_VAR( x ) extern x 407#endif 408 409#endif /* !FT_EXPORT_VAR */ 410 411 /* The following macros are needed to compile the library with a */ 412 /* C++ compiler and with 16bit compilers. */ 413 /* */ 414 415 /* This is special. Within C++, you must specify `extern "C"' for */ 416 /* functions which are used via function pointers, and you also */ 417 /* must do that for structures which contain function pointers to */ 418 /* assure C linkage -- it's not possible to have (local) anonymous */ 419 /* functions which are accessed by (global) function pointers. */ 420 /* */ 421 /* */ 422 /* FT_CALLBACK_DEF is used to _define_ a callback function. */ 423 /* */ 424 /* FT_CALLBACK_TABLE is used to _declare_ a constant variable that */ 425 /* contains pointers to callback functions. */ 426 /* */ 427 /* FT_CALLBACK_TABLE_DEF is used to _define_ a constant variable */ 428 /* that contains pointers to callback functions. */ 429 /* */ 430 /* */ 431 /* Some 16bit compilers have to redefine these macros to insert */ 432 /* the infamous `_cdecl' or `__fastcall' declarations. */ 433 /* */ 434#ifndef FT_CALLBACK_DEF 435#ifdef __cplusplus 436#define FT_CALLBACK_DEF( x ) extern "C" x 437#else 438#define FT_CALLBACK_DEF( x ) static x 439#endif 440#endif /* FT_CALLBACK_DEF */ 441 442#ifndef FT_CALLBACK_TABLE 443#ifdef __cplusplus 444#define FT_CALLBACK_TABLE extern "C" 445#define FT_CALLBACK_TABLE_DEF extern "C" 446#else 447#define FT_CALLBACK_TABLE extern 448#define FT_CALLBACK_TABLE_DEF /* nothing */ 449#endif 450#endif /* FT_CALLBACK_TABLE */ 451 452 453FT_END_HEADER 454 455 456#endif /* __FTCONFIG_H__ */ 457 458 459/* END */ 460