/***************************************************************************/ /* */ /* 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/', 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 #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/' 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 /*************************************************************************/ /* */ /*
*/ /* basic_types */ /* */ /*************************************************************************/ /*************************************************************************/ /* */ /* */ /* FT_Int16 */ /* */ /* */ /* A typedef for a 16bit signed integer type. */ /* */ typedef signed short FT_Int16; /*************************************************************************/ /* */ /* */ /* FT_UInt16 */ /* */ /* */ /* A typedef for a 16bit unsigned integer type. */ /* */ typedef unsigned short FT_UInt16; /* */ /* this #if 0 ... #endif clause is for documentation purposes */ #if 0 /*************************************************************************/ /* */ /* */ /* FT_Int32 */ /* */ /* */ /* A typedef for a 32bit signed integer type. The size depends on */ /* the configuration. */ /* */ typedef signed XXX FT_Int32; /*************************************************************************/ /* */ /* */ /* FT_UInt32 */ /* */ /* A typedef for a 32bit unsigned integer type. The size depends on */ /* the configuration. */ /* */ typedef unsigned XXX FT_UInt32; /* */ #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 #if !defined(FT_CONFIG_OPTION_NO_ASSEMBLER) /* provide assembler fragments for performance-critical * functions. these must be defined static __inline__ * with GCC */ #if defined(__GNUC__) # if defined(__arm__) && !defined(__thumb__) # define FT_MULFIX_ASSEMBLER FT_MulFix_arm static __inline__ FT_Int32 FT_MulFix_arm( FT_Int32 a, FT_Int32 b ) { register FT_Int32 t, t2; asm __volatile__ ( "smull %1, %2, %4, %3\n\t" /* (lo=%1,hi=%2) = a*b */ "mov %0, %2, asr #31\n\t" /* %0 = (hi >> 31) */ "add %0, %0, #0x8000\n\t" /* %0 += 0x8000 */ "adds %1, %1, %0\n\t" /* %1 += %0 */ "adc %2, %2, #0\n\t" /* %2 += carry */ "mov %0, %1, lsr #16\n\t" /* %0 = %1 >> 16 */ "orr %0, %2, lsl #16\n\t" /* %0 |= %2 << 16 */ : "=r"(a), "=&r"(t2), "=&r"(t) : "r"(a), "r"(b) ); return a; } # endif # if defined(i386) # define FT__MULFIX_ASSEMBLER FT_MulFix_i386 static __inline__ FT_Int32 FT_MulFix_i386( FT_Int32 a, FT_Int32 b ) { register FT_Int32 result; __asm__ __volatile__ ( "imul %%edx\n" "movl %%edx, %%ecx\n" "sarl $31, %%ecx\n" "addl $0x8000, %%ecx\n" "addl %%ecx, %%eax\n" "adcl $0, %%edx\n" "shrl $16, %%eax\n" "shll $16, %%edx\n" "addl %%edx, %%eax\n" : "=a"(result) : "a"(a), "d"(b) : "%ecx" ); return result; } # endif #endif /* __GNUC__ */ #endif /* !NO_ASSEMBLER */ #ifdef FT_CONFIG_OPTION_INLINE_MULFIX # ifdef FT_MULFIX_ASSEMBLER # define FT_MULFIX_INLINED FT_MULFIX_ASSEMBLER # endif #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 ) extern "C" 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 */