www.pudn.com > freetype.rar > ftconfig.h
/***************************************************************************/ /* */ /* ftconfig.h */ /* */ /* ANSI-specific configuration file (specification only). */ /* */ /* Copyright 1996-2001, 2002 by */ /* David Turner, Robert Wilhelm, and Werner Lemberg. */ /* */ /* This file is part of the FreeType project, and may only be used, */ /* modified, and distributed under the terms of the FreeType project */ /* license, LICENSE.TXT. By continuing to use, modify, or distribute */ /* this file you indicate that you have read the license and */ /* understand and accept it fully. */ /* */ /***************************************************************************/ /*************************************************************************/ /* */ /* This header file contains a number of macro definitions that are used */ /* by the rest of the engine. Most of the macros here are automatically */ /* determined at compile time, and you should not need to change it to */ /* port FreeType, except to compile the library with a non-ANSI */ /* compiler. */ /* */ /* Note however that if some specific modifications are needed, we */ /* advise you to place a modified copy in your build directory. */ /* */ /* The build directory is usually `freetype/builds/', and */ /* contains system-specific files that are always included first when */ /* building the library. */ /* */ /* This ANSI version should stay in `include/freetype/config'. */ /* */ /*************************************************************************/ #ifndef __FTCONFIG_H__ #define __FTCONFIG_H__ #include "ft2build.h" #include "freetype/config/ftoption.h" #include "freetype/config/ftstdlib.h" FT_BEGIN_HEADER /*************************************************************************/ /* */ /* PLATFORM-SPECIFIC CONFIGURATION MACROS */ /* */ /* These macros can be toggled to suit a specific system. The current */ /* ones are defaults used to compile FreeType in an ANSI C environment */ /* (16bit compilers are also supported). Copy this file to your own */ /* `freetype/builds/ ' directory, and edit it to port the engine. */ /* */ /*************************************************************************/ /* The number of bytes in an `int' type. */ #if FT_UINT_MAX == 0xFFFFFFFFUL #define FT_SIZEOF_INT 4 #elif FT_UINT_MAX == 0xFFFFU #define FT_SIZEOF_INT 2 #elif FT_UINT_MAX > 0xFFFFFFFFU && FT_UINT_MAX == 0xFFFFFFFFFFFFFFFFU #define FT_SIZEOF_INT 8 #else #error "Unsupported number of bytes in `int' type!" #endif /* The number of bytes in a `long' type. */ #if FT_ULONG_MAX == 0xFFFFFFFFUL #define FT_SIZEOF_LONG 4 #elif FT_ULONG_MAX > 0xFFFFFFFFU && FT_ULONG_MAX == 0xFFFFFFFFFFFFFFFFU #define FT_SIZEOF_LONG 8 #else #error "Unsupported number of bytes in `long' type!" #endif /* Preferred alignment of data */ #define FT_ALIGNMENT 8 /* FT_UNUSED is a macro used to indicate that a given parameter is not */ /* used -- this is only used to get rid of unpleasant compiler warnings */ #ifndef FT_UNUSED #define FT_UNUSED( arg ) ( (arg) = (arg) ) #endif /*************************************************************************/ /* */ /* AUTOMATIC CONFIGURATION MACROS */ /* */ /* These macros are computed from the ones defined above. Don't touch */ /* their definition, unless you know precisely what you are doing. No */ /* porter should need to mess with them. */ /* */ /*************************************************************************/ /*************************************************************************/ /* */ /* Mac support */ /* */ /* This is the only necessary change, so it is defined here instead */ /* providing a new configuration file. */ /* */ #if defined( __APPLE__ ) || ( defined( __MWERKS__ ) && defined( macintosh ) ) #define FT_MACINTOSH 1 #endif /*************************************************************************/ /* */ /* IntN types */ /* */ /* Used to guarantee the size of some specific integers. */ /* */ typedef signed short FT_Int16; typedef unsigned short FT_UInt16; #if FT_SIZEOF_INT == 4 typedef signed int FT_Int32; typedef unsigned int FT_UInt32; #elif FT_SIZEOF_LONG == 4 typedef signed long FT_Int32; typedef unsigned long FT_UInt32; #else #error "no 32bit type found -- please check your configuration files" #endif /* now, lookup for an integer type that is at least 32 bits */ #if FT_SIZEOF_INT >= 4 typedef int FT_Fast; typedef unsigned int FT_UFast; #elif FT_SIZEOF_LONG >= 4 typedef long FT_Fast; typedef unsigned long FT_UFast; #endif /* determine whether we have a 64-bit int type for platforms without */ /* Autoconf */ #if FT_SIZEOF_LONG == 8 /* FT_LONG64 must be defined if a 64-bit type is available */ #define FT_LONG64 #define FT_INT64 long #elif defined( _MSC_VER ) && _MSC_VER >= 900 /* Visual C++ (and Intel C++) */ /* this compiler provides the __int64 type */ #define FT_LONG64 #define FT_INT64 __int64 #elif defined( __BORLANDC__ ) /* Borland C++ */ /* XXXX: We should probably check the value of __BORLANDC__ in order */ /* to test the compiler version. */ /* this compiler provides the __int64 type */ #define FT_LONG64 #define FT_INT64 __int64 #elif defined( __WATCOMC__ ) /* Watcom C++ */ /* Watcom doesn't provide 64-bit data types */ #elif defined( __MWKS__ ) /* Metrowerks CodeWarrior */ /* I don't know if it provides 64-bit data types, any suggestion */ /* is welcome. */ #elif defined( __GNUC__ ) /* GCC provides the "long long" type */ #define FT_LONG64 #define FT_INT64 long long int #endif /* FT_SIZEOF_LONG == 8 */ /*************************************************************************/ /* */ /* A 64-bit data type will create compilation problems if you compile */ /* in strict ANSI mode. To avoid them, we disable their use if */ /* __STDC__ is defined. You can however ignore this rule by */ /* defining the FT_CONFIG_OPTION_FORCE_INT64 configuration macro. */ /* */ #if defined( FT_LONG64 ) && !defined( FT_CONFIG_OPTION_FORCE_INT64 ) #ifdef __STDC__ /* undefine the 64-bit macros in strict ANSI compilation mode */ #undef FT_LONG64 #undef FT_INT64 #endif /* __STDC__ */ #endif /* FT_LONG64 && !FT_CONFIG_OPTION_FORCE_INT64 */ #undef FT_MAKE_OPTION_SINGLE_OBJECT #ifdef FT_MAKE_OPTION_SINGLE_OBJECT #define FT_LOCAL( x ) static x #define FT_LOCAL_DEF( x ) static x #else #ifdef __cplusplus #define FT_LOCAL( x ) extern "C" x #define FT_LOCAL_DEF( x ) extern "C" x #else #define FT_LOCAL( x ) extern x #define FT_LOCAL_DEF( x ) x #endif #endif /* FT_MAKE_OPTION_SINGLE_OBJECT */ #ifndef FT_BASE #ifdef __cplusplus #define FT_BASE( x ) extern "C" x #else #define FT_BASE( x ) extern x #endif #endif /* !FT_BASE */ #ifndef FT_BASE_DEF #ifdef __cplusplus #define FT_BASE_DEF( x ) extern "C" x #else #define FT_BASE_DEF( x ) extern x #endif #endif /* !FT_BASE_DEF */ #ifndef FT_EXPORT #ifdef __cplusplus #define FT_EXPORT( x ) extern "C" x #else #define FT_EXPORT( x ) extern x #endif #endif /* !FT_EXPORT */ #ifndef FT_EXPORT_DEF #ifdef __cplusplus #define FT_EXPORT_DEF( x ) extern "C" x #else #define FT_EXPORT_DEF( x ) extern x #endif #endif /* !FT_EXPORT_DEF */ #ifndef FT_EXPORT_VAR #ifdef __cplusplus #define FT_EXPORT_VAR( x ) extern "C" x #else #define FT_EXPORT_VAR( x ) extern x #endif #endif /* !FT_EXPORT_VAR */ /* The following macros are needed to compile the library with a */ /* C++ compiler and with 16bit compilers. */ /* */ /* This is special. Within C++, you must specify `extern "C"' for */ /* functions which are used via function pointers, and you also */ /* must do that for structures which contain function pointers to */ /* assure C linkage -- it's not possible to have (local) anonymous */ /* functions which are accessed by (global) function pointers. */ /* */ /* */ /* FT_CALLBACK_DEF is used to _define_ a callback function. */ /* */ /* FT_CALLBACK_TABLE is used to _declare_ a constant variable that */ /* contains pointers to callback functions. */ /* */ /* FT_CALLBACK_TABLE_DEF is used to _define_ a constant variable */ /* that contains pointers to callback functions. */ /* */ /* */ /* Some 16bit compilers have to redefine these macros to insert */ /* the infamous `_cdecl' or `__fastcall' declarations. */ /* */ #ifndef FT_CALLBACK_DEF #ifdef __cplusplus #define FT_CALLBACK_DEF( x ) extern "C" x #else #define FT_CALLBACK_DEF( x ) static x #endif #endif /* FT_CALLBACK_DEF */ #ifndef FT_CALLBACK_TABLE #ifdef __cplusplus #define FT_CALLBACK_TABLE extern "C" #define FT_CALLBACK_TABLE_DEF extern "C" #else #define FT_CALLBACK_TABLE extern #define FT_CALLBACK_TABLE_DEF /* nothing */ #endif #endif /* FT_CALLBACK_TABLE */ FT_END_HEADER #endif /* __FTCONFIG_H__ */ /* END */