| /**************************************************************************** | |
| * | |
| * ftconfig.h | |
| * | |
| * ANSI-specific configuration file (specification only). | |
| * | |
| * Copyright (C) 1996-2019 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/<system>`, and contains | |
| * system-specific files that are always included first when building the | |
| * library. | |
| * | |
| * This ANSI version should stay in `include/config/`. | |
| * | |
| */ | |
| // This file is mostly unchanged, but it is specified here so that we can | |
| // set FT_CONFIG_OPTIONS_H to "ftoption.h" and the right file will be included. | |
| #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 | |
| * `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 | |
| /* `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(STARBOARD) | |
| /* Nothing. */ | |
| #elif 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 <errno.h> | |
| #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 */ |