| /***************************************************************************/ |
| /* */ |
| /* ftconfig.h */ |
| /* */ |
| /* ANSI-specific configuration file (specification only). */ |
| /* */ |
| /* Copyright 1996-2004, 2006-2008, 2010-2011, 2013 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 "ftoption.h" |
| #include "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/<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 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 ) ) |
| /* 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 |
| |
| |
| /*************************************************************************/ |
| /* */ |
| /* <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 |
| |
| #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 /* FT_SIZEOF_LONG == (64 / FT_CHAR_BIT) */ |
| |
| |
| /*************************************************************************/ |
| /* */ |
| /* A 64-bit data type will create compilation problems if you compile */ |
| /* in strict ANSI mode. To avoid them, we disable its 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_LONG64 |
| typedef FT_INT64 FT_Int64; |
| typedef FT_UINT64 FT_UInt64; |
| #endif |
| |
| |
| #define FT_BEGIN_STMNT do { |
| #define FT_END_STMNT } while ( 0 ) |
| #define FT_DUMMY_STMNT FT_BEGIN_STMNT FT_END_STMNT |
| |
| |
| #ifndef FT_CONFIG_OPTION_NO_ASSEMBLER |
| /* Provide assembler fragments for performance-critical functions. */ |
| /* These must be defined `static __inline__' with GCC. */ |
| |
| /**Johnson add !defined( __thumb__ )*/
|
| #if (defined( __CC_ARM ) || defined( __ARMCC__ ))&& !defined( __thumb__ ) /* RVCT */ |
| #define FT_MULFIX_ASSEMBLER FT_MulFix_arm |
| |
| /* documentation is in freetype.h */ |
| |
| static __inline FT_Int32 |
| FT_MulFix_arm( FT_Int32 a, |
| FT_Int32 b ) |
| { |
| register FT_Int32 t, t2; |
| |
| |
| __asm |
| { |
| smull t2, t, b, a /* (lo=t2,hi=t) = a*b */ |
| mov a, t, asr #31 /* a = (hi >> 31) */ |
| add a, a, #0x8000 /* a += 0x8000 */ |
| adds t2, t2, a /* t2 += a */ |
| adc t, t, #0 /* t += carry */ |
| mov a, t2, lsr #16 /* a = t2 >> 16 */ |
| orr a, a, t, lsl #16 /* a |= t << 16 */ |
| } |
| return a; |
| } |
| |
| #endif /* __CC_ARM || __ARMCC__ */ |
| |
| |
| #ifdef __GNUC__ |
| |
| #if defined( __arm__ ) && !defined( __thumb__ ) && \ |
| !( defined( __CC_ARM ) || defined( __ARMCC__ ) ) |
| #define FT_MULFIX_ASSEMBLER FT_MulFix_arm |
| |
| /* documentation is in freetype.h */ |
| |
| 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, %0, %2, lsl #16\n\t" /* %0 |= %2 << 16 */ |
| : "=r"(a), "=&r"(t2), "=&r"(t) |
| : "r"(a), "r"(b) |
| : "cc" ); |
| return a; |
| } |
| |
| #endif /* __arm__ && !__thumb__ && !( __CC_ARM || __ARMCC__ ) */ |
| |
| #if defined( __i386__ ) |
| #define FT_MULFIX_ASSEMBLER FT_MulFix_i386 |
| |
| /* documentation is in freetype.h */ |
| |
| 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), "=d"(b) |
| : "a"(a), "d"(b) |
| : "%ecx", "cc" ); |
| return result; |
| } |
| |
| #endif /* i386 */ |
| |
| #endif /* __GNUC__ */ |
| |
| |
| #ifdef _MSC_VER /* Visual C++ */ |
| |
| #ifdef _M_IX86 |
| |
| #define FT_MULFIX_ASSEMBLER FT_MulFix_i386 |
| |
| /* documentation is in freetype.h */ |
| |
| static __inline FT_Int32 |
| FT_MulFix_i386( FT_Int32 a, |
| FT_Int32 b ) |
| { |
| register FT_Int32 result; |
| |
| __asm |
| { |
| mov eax, a |
| mov edx, b |
| imul edx |
| mov ecx, edx |
| sar ecx, 31 |
| add ecx, 8000h |
| add eax, ecx |
| adc edx, 0 |
| shr eax, 16 |
| shl edx, 16 |
| add eax, edx |
| mov result, eax |
| } |
| return result; |
| } |
| |
| #endif /* _M_IX86 */ |
| |
| #endif /* _MSC_VER */ |
| |
| #endif /* !FT_CONFIG_OPTION_NO_ASSEMBLER */ |
| |
| |
| #ifdef FT_CONFIG_OPTION_INLINE_MULFIX |
| #ifdef FT_MULFIX_ASSEMBLER |
| #define FT_MULFIX_INLINED FT_MULFIX_ASSEMBLER |
| #endif |
| #endif |
| |
| |
| #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 */ |