/**************************************************************************** * * ftconfig.h * * ANSI-specific configuration file (specification only). * * Copyright (C) 1996-2020 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 `builds/`, and contains * system-specific files that are always included first when building the * library. * * This ANSI version should stay in `include/config/`. * */ #ifndef FTCONFIG_H_ #define FTCONFIG_H_ #include #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 * `builds/` 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 /* `FT_UNUSED` indicates 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 ) ) /* No Carbon frameworks for 64bit 10.4.x. */ /* `AvailabilityMacros.h` is available since Mac OS X 10.2, */ /* so guess the system version by maximum errno before inclusion. */ #include #ifdef ECANCELED /* defined since 10.2 */ #include "AvailabilityMacros.h" #endif #if defined( __LP64__ ) && \ ( MAC_OS_X_VERSION_MIN_REQUIRED <= MAC_OS_X_VERSION_10_4 ) #undef FT_MACINTOSH #endif #elif defined( __SC__ ) || defined( __MRC__ ) /* Classic MacOS compilers */ #include "ConditionalMacros.h" #if TARGET_OS_MAC #define FT_MACINTOSH 1 #endif #endif /* Fix compiler warning with sgi compiler. */ #if defined( __sgi ) && !defined( __GNUC__ ) #if defined( _COMPILER_VERSION ) && ( _COMPILER_VERSION >= 730 ) #pragma set woff 3505 #endif #endif /************************************************************************** * * @section: * basic_types * */ /************************************************************************** * * @type: * FT_Int16 * * @description: * A typedef for a 16bit signed integer type. */ typedef signed short FT_Int16; /************************************************************************** * * @type: * FT_UInt16 * * @description: * A typedef for a 16bit unsigned integer type. */ typedef unsigned short FT_UInt16; /* */ /* this #if 0 ... #endif clause is for documentation purposes */ #if 0 /************************************************************************** * * @type: * FT_Int32 * * @description: * A typedef for a 32bit signed integer type. The size depends on the * configuration. */ typedef signed XXX FT_Int32; /************************************************************************** * * @type: * FT_UInt32 * * A typedef for a 32bit unsigned integer type. The size depends on the * configuration. */ typedef unsigned XXX FT_UInt32; /************************************************************************** * * @type: * FT_Int64 * * A typedef for a 64bit signed integer type. The size depends on the * configuration. Only defined if there is real 64bit support; * otherwise, it gets emulated with a structure (if necessary). */ typedef signed XXX FT_Int64; /************************************************************************** * * @type: * FT_UInt64 * * A typedef for a 64bit unsigned integer type. The size depends on the * configuration. Only defined if there is real 64bit support; * otherwise, it gets emulated with a structure (if necessary). */ typedef unsigned XXX FT_UInt64; /* */ #endif #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 #define FT_UINT64 unsigned long /************************************************************************** * * A 64-bit data type may create compilation problems if you compile in * strict ANSI mode. To avoid them, we disable other 64-bit data types if * `__STDC__` is defined. You can however ignore this rule by defining the * `FT_CONFIG_OPTION_FORCE_INT64` configuration macro. */ #elif !defined( __STDC__ ) || defined( FT_CONFIG_OPTION_FORCE_INT64 ) #if defined( __STDC_VERSION__ ) && __STDC_VERSION__ >= 199901L #define FT_LONG64 #define FT_INT64 long long int #define FT_UINT64 unsigned long long int #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 #define FT_UINT64 unsigned __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 #define FT_UINT64 unsigned __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 #define FT_UINT64 unsigned long long int #elif defined( __GNUC__ ) /* GCC provides the `long long` type */ #define FT_LONG64 #define FT_INT64 long long int #define FT_UINT64 unsigned long long int #endif /* __STDC_VERSION__ >= 199901L */ #endif /* FT_SIZEOF_LONG == (64 / FT_CHAR_BIT) */ #ifdef FT_LONG64 typedef FT_INT64 FT_Int64; typedef FT_UINT64 FT_UInt64; #endif #ifdef _WIN64 /* only 64bit Windows uses the LLP64 data model, i.e., */ /* 32bit integers, 64bit pointers */ #define FT_UINT_TO_POINTER( x ) (void*)(unsigned __int64)(x) #else #define FT_UINT_TO_POINTER( x ) (void*)(unsigned long)(x) #endif /************************************************************************** * * miscellaneous * */ #define FT_BEGIN_STMNT do { #define FT_END_STMNT } while ( 0 ) #define FT_DUMMY_STMNT FT_BEGIN_STMNT FT_END_STMNT /* `typeof` condition taken from gnulib's `intprops.h` header file */ #if ( ( defined( __GNUC__ ) && __GNUC__ >= 2 ) || \ ( defined( __IBMC__ ) && __IBMC__ >= 1210 && \ defined( __IBM__TYPEOF__ ) ) || \ ( defined( __SUNPRO_C ) && __SUNPRO_C >= 0x5110 && !__STDC__ ) ) #define FT_TYPEOF( type ) ( __typeof__ ( type ) ) #else #define FT_TYPEOF( type ) /* empty */ #endif /* Use `FT_LOCAL` and `FT_LOCAL_DEF` to declare and define, */ /* respectively, a function that gets used only within the scope of a */ /* module. Normally, both the header and source code files for such a */ /* function are within a single module directory. */ /* */ /* Intra-module arrays should be tagged with `FT_LOCAL_ARRAY` and */ /* `FT_LOCAL_ARRAY_DEF`. */ /* */ #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 */ #define FT_LOCAL_ARRAY( x ) extern const x #define FT_LOCAL_ARRAY_DEF( x ) const x /* Use `FT_BASE` and `FT_BASE_DEF` to declare and define, respectively, */ /* functions that are used in more than a single module. In the */ /* current setup this implies that the declaration is in a header file */ /* in the `include/freetype/internal` directory, and the function body */ /* is in a file in `src/base`. */ /* */ #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 */ /* When compiling FreeType as a DLL or DSO with hidden visibility */ /* some systems/compilers need a special attribute in front OR after */ /* the return type of function declarations. */ /* */ /* Two macros are used within the FreeType source code to define */ /* exported library functions: `FT_EXPORT` and `FT_EXPORT_DEF`. */ /* */ /* - `FT_EXPORT( return_type )` */ /* */ /* is used in a function declaration, as in */ /* */ /* ``` */ /* FT_EXPORT( FT_Error ) */ /* FT_Init_FreeType( FT_Library* alibrary ); */ /* ``` */ /* */ /* - `FT_EXPORT_DEF( return_type )` */ /* */ /* is used in a function definition, as in */ /* */ /* ``` */ /* FT_EXPORT_DEF( FT_Error ) */ /* FT_Init_FreeType( FT_Library* alibrary ) */ /* { */ /* ... some code ... */ /* return FT_Err_Ok; */ /* } */ /* ``` */ /* */ /* You can provide your own implementation of `FT_EXPORT` and */ /* `FT_EXPORT_DEF` here if you want. */ /* */ /* To export a variable, use `FT_EXPORT_VAR`. */ /* */ #ifndef FT_EXPORT #ifdef FT2_BUILD_LIBRARY #if defined( _WIN32 ) && defined( DLL_EXPORT ) #define FT_EXPORT( x ) __declspec( dllexport ) x #elif defined( __GNUC__ ) && __GNUC__ >= 4 #define FT_EXPORT( x ) __attribute__(( visibility( "default" ) )) x #elif defined( __SUNPRO_C ) && __SUNPRO_C >= 0x550 #define FT_EXPORT( x ) __global x #elif defined( __cplusplus ) #define FT_EXPORT( x ) extern "C" x #else #define FT_EXPORT( x ) extern x #endif #else #if defined( _WIN32 ) && defined( DLL_IMPORT ) #define FT_EXPORT( x ) __declspec( dllimport ) x #elif defined( __cplusplus ) #define FT_EXPORT( x ) extern "C" x #else #define FT_EXPORT( x ) extern x #endif #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, */ /* located in the same source code file as the structure that uses */ /* it. */ /* */ /* FT_BASE_CALLBACK and FT_BASE_CALLBACK_DEF are used to declare */ /* and define a callback function, respectively, in a similar way */ /* as FT_BASE and FT_BASE_DEF work. */ /* */ /* 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_BASE_CALLBACK #ifdef __cplusplus #define FT_BASE_CALLBACK( x ) extern "C" x #define FT_BASE_CALLBACK_DEF( x ) extern "C" x #else #define FT_BASE_CALLBACK( x ) extern x #define FT_BASE_CALLBACK_DEF( x ) x #endif #endif /* FT_BASE_CALLBACK */ #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 */