ftconfig.h
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- /***************************************************************************/
- /* */
- /* ftconfig.h */
- /* */
- /* ANSI-specific configuration file (specification only). */
- /* */
- /* Copyright 1996-2001, 2002, 2003, 2004, 2006, 2007 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/<system>', 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 FT_CONFIG_OPTIONS_H
- #include FT_CONFIG_STANDARD_LIBRARY_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/<system>' directory, and edit it to port the engine. */
- /* */
- /*************************************************************************/
- /* There are systems (like the Texas Instruments 'C54x) where a `char' */
- /* has 16 bits. ANSI C says that sizeof(char) is always 1. Since an */
- /* `int' has 16 bits also for this system, sizeof(int) gives 1 which */
- /* is probably unexpected. */
- /* */
- /* `CHAR_BIT' (defined in limits.h) gives the number of bits in a */
- /* `char' type. */
- #ifndef FT_CHAR_BIT
- #define FT_CHAR_BIT CHAR_BIT
- #endif
- /* The size of an `int' type. */
- #if FT_UINT_MAX == 0xFFFFUL
- #define FT_SIZEOF_INT (16 / FT_CHAR_BIT)
- #elif FT_UINT_MAX == 0xFFFFFFFFUL
- #define FT_SIZEOF_INT (32 / FT_CHAR_BIT)
- #elif FT_UINT_MAX > 0xFFFFFFFFUL && FT_UINT_MAX == 0xFFFFFFFFFFFFFFFFUL
- #define FT_SIZEOF_INT (64 / FT_CHAR_BIT)
- #else
- #error "Unsupported size of `int' type!"
- #endif
- /* The size of a `long' type. A five-byte `long' (as used e.g. on the */
- /* DM642) is recognized but avoided. */
- #if FT_ULONG_MAX == 0xFFFFFFFFUL
- #define FT_SIZEOF_LONG (32 / FT_CHAR_BIT)
- #elif FT_ULONG_MAX > 0xFFFFFFFFUL && FT_ULONG_MAX == 0xFFFFFFFFFFUL
- #define FT_SIZEOF_LONG (32 / FT_CHAR_BIT)
- #elif FT_ULONG_MAX > 0xFFFFFFFFUL && FT_ULONG_MAX == 0xFFFFFFFFFFFFFFFFUL
- #define FT_SIZEOF_LONG (64 / FT_CHAR_BIT)
- #else
- #error "Unsupported size of `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( DARWIN_NO_CARBON ) ) ||
- ( defined( __MWERKS__ ) && defined( macintosh ) )
- /* no Carbon frameworks for 64bit 10.4.x */
- #include "AvailabilityMacros.h"
- #if defined( __LP64__ ) &&
- ( MAC_OS_X_VERSION_MIN_REQUIRED <= MAC_OS_X_VERSION_10_4 )
- #define DARWIN_NO_CARBON 1
- #else
- #define FT_MACINTOSH 1
- #endif
- #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 == (32 / FT_CHAR_BIT)
- typedef signed int FT_Int32;
- typedef unsigned int FT_UInt32;
- #elif FT_SIZEOF_LONG == (32 / FT_CHAR_BIT)
- typedef signed long FT_Int32;
- typedef unsigned long FT_UInt32;
- #else
- #error "no 32bit type found -- please check your configuration files"
- #endif
- /* look up an integer type that is at least 32 bits */
- #if FT_SIZEOF_INT >= (32 / FT_CHAR_BIT)
- typedef int FT_Fast;
- typedef unsigned int FT_UFast;
- #elif FT_SIZEOF_LONG >= (32 / FT_CHAR_BIT)
- 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 == (64 / FT_CHAR_BIT)
- /* 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( __MWERKS__ ) /* Metrowerks CodeWarrior */
- #define FT_LONG64
- #define FT_INT64 long long int
- #elif defined( __GNUC__ )
- /* GCC provides the `long long' type */
- #define FT_LONG64
- #define FT_INT64 long long int
- #endif /* FT_SIZEOF_LONG == (64 / FT_CHAR_BIT) */
- #define FT_BEGIN_STMNT do {
- #define FT_END_STMNT } while ( 0 )
- #define FT_DUMMY_STMNT FT_BEGIN_STMNT FT_END_STMNT
- /*************************************************************************/
- /* */
- /* 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 */
- #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 ) x
- #else
- #define FT_BASE_DEF( x ) 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 */