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/***************************************************************************/ |
/* */ |
/* ftconfig.h */ |
/* */ |
/* ANSI-specific configuration file (s pecification only). */ |
/* */ |
/* Copyright 1996-2001, 2002, 2003, 2004, 2006, 2007, 2008, 2010 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. */ |
/* */ |
/***************************************************************************/ |
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/*************************************************************************/ |
/* */ |
/* 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'. */ |
/* */ |
/*************************************************************************/ |
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#ifndef __FTCONFIG_H__ |
#define __FTCONFIG_H__ |
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#include <ft2build.h> |
#include FT_CONFIG_OPTIONS_H |
#include FT_CONFIG_STANDARD_LIBRARY_H |
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FT_BEGIN_HEADER |
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/*************************************************************************/ |
/* */ |
/* 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. */ |
/* */ |
/*************************************************************************/ |
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/* 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. */ |
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#ifndef FT_CHAR_BIT |
#define FT_CHAR_BIT CHAR_BIT |
#endif |
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/* 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 |
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/* 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 |
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/* Preferred alignment of data */ |
#define FT_ALIGNMENT 8 |
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/* 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 |
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/*************************************************************************/ |
/* */ |
/* 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. */ |
/* */ |
/*************************************************************************/ |
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/*************************************************************************/ |
/* */ |
/* 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 |
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#elif defined( __SC__ ) || defined( __MRC__ ) |
/* Classic MacOS compilers */ |
#include "ConditionalMacros.h" |
#if TARGET_OS_MAC |
#define FT_MACINTOSH 1 |
#endif |
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#endif |
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/*************************************************************************/ |
/* */ |
/* <Section> */ |
/* basic_types */ |
/* */ |
/*************************************************************************/ |
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/*************************************************************************/ |
/* */ |
/* <Type> */ |
/* FT_Int16 */ |
/* */ |
/* <Description> */ |
/* A typedef for a 16bit signed integer type. */ |
/* */ |
typedef signed short FT_Int16; |
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/*************************************************************************/ |
/* */ |
/* <Type> */ |
/* FT_UInt16 */ |
/* */ |
/* <Description> */ |
/* A typedef for a 16bit unsigned integer type. */ |
/* */ |
typedef unsigned short FT_UInt16; |
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/* */ |
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/* this #if 0 ... #endif clause is for documentation purposes */ |
#if 0 |
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/*************************************************************************/ |
/* */ |
/* <Type> */ |
/* FT_Int32 */ |
/* */ |
/* <Description> */ |
/* A typedef for a 32bit signed integer type. The size depends on */ |
/* the configuration. */ |
/* */ |
typedef signed XXX FT_Int32; |
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/*************************************************************************/ |
/* */ |
/* <Type> */ |
/* FT_UInt32 */ |
/* */ |
/* A typedef for a 32bit unsigned integer type. The size depends on */ |
/* the configuration. */ |
/* */ |
typedef unsigned XXX FT_UInt32; |
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/* */ |
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#endif |
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#if FT_SIZEOF_INT == (32 / FT_CHAR_BIT) |
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typedef signed int FT_Int32; |
typedef unsigned int FT_UInt32; |
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#elif FT_SIZEOF_LONG == (32 / FT_CHAR_BIT) |
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typedef signed long FT_Int32; |
typedef unsigned long FT_UInt32; |
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#else |
#error "no 32bit type found -- please check your configuration files" |
#endif |
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/* look up an integer type that is at least 32 bits */ |
#if FT_SIZEOF_INT >= (32 / FT_CHAR_BIT) |
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typedef int FT_Fast; |
typedef unsigned int FT_UFast; |
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#elif FT_SIZEOF_LONG >= (32 / FT_CHAR_BIT) |
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typedef long FT_Fast; |
typedef unsigned long FT_UFast; |
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#endif |
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/* determine whether we have a 64-bit int type for platforms without */ |
/* Autoconf */ |
#if FT_SIZEOF_LONG == (64 / FT_CHAR_BIT) |
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/* FT_LONG64 must be defined if a 64-bit type is available */ |
#define FT_LONG64 |
#define FT_INT64 long |
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#elif defined( _MSC_VER ) && _MSC_VER >= 900 /* Visual C++ (and Intel C++) */ |
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/* this compiler provides the __int64 type */ |
#define FT_LONG64 |
#define FT_INT64 __int64 |
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#elif defined( __BORLANDC__ ) /* Borland C++ */ |
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/* XXXX: We should probably check the value of __BORLANDC__ in order */ |
/* to test the compiler version. */ |
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/* this compiler provides the __int64 type */ |
#define FT_LONG64 |
#define FT_INT64 __int64 |
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#elif defined( __WATCOMC__ ) /* Watcom C++ */ |
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/* Watcom doesn't provide 64-bit data types */ |
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#elif defined( __MWERKS__ ) /* Metrowerks CodeWarrior */ |
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#define FT_LONG64 |
#define FT_INT64 long long int |
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#elif defined( __GNUC__ ) |
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/* GCC provides the `long long' type */ |
#define FT_LONG64 |
#define FT_INT64 long long int |
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#endif /* FT_SIZEOF_LONG == (64 / FT_CHAR_BIT) */ |
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/*************************************************************************/ |
/* */ |
/* 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 ) |
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#ifdef __STDC__ |
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/* undefine the 64-bit macros in strict ANSI compilation mode */ |
#undef FT_LONG64 |
#undef FT_INT64 |
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#endif /* __STDC__ */ |
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#endif /* FT_LONG64 && !FT_CONFIG_OPTION_FORCE_INT64 */ |
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#define FT_BEGIN_STMNT do { |
#define FT_END_STMNT } while ( 0 ) |
#define FT_DUMMY_STMNT FT_BEGIN_STMNT FT_END_STMNT |
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#ifndef FT_CONFIG_OPTION_NO_ASSEMBLER |
/* Provide assembler fragments for performance-critical functions. */ |
/* These must be defined `static __inline__' with GCC. */ |
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#if defined( __CC_ARM ) || defined( __ARMCC__ ) /* RVCT */ |
#define FT_MULFIX_ASSEMBLER FT_MulFix_arm |
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/* documentation is in freetype.h */ |
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static __inline FT_Int32 |
FT_MulFix_arm( FT_Int32 a, |
FT_Int32 b ) |
{ |
register FT_Int32 t, t2; |
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__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; |
} |
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#endif /* __CC_ARM || __ARMCC__ */ |
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#ifdef __GNUC__ |
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#if defined( __arm__ ) && !defined( __thumb__ ) && \ |
!( defined( __CC_ARM ) || defined( __ARMCC__ ) ) |
#define FT_MULFIX_ASSEMBLER FT_MulFix_arm |
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/* documentation is in freetype.h */ |
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static __inline__ FT_Int32 |
FT_MulFix_arm( FT_Int32 a, |
FT_Int32 b ) |
{ |
register FT_Int32 t, t2; |
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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; |
} |
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#endif /* __arm__ && !__thumb__ && !( __CC_ARM || __ARMCC__ ) */ |
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#if defined( __i386__ ) |
#define FT_MULFIX_ASSEMBLER FT_MulFix_i386 |
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/* documentation is in freetype.h */ |
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static __inline__ FT_Int32 |
FT_MulFix_i386( FT_Int32 a, |
FT_Int32 b ) |
{ |
register FT_Int32 result; |
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__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; |
} |
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#endif /* i386 */ |
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#endif /* __GNUC__ */ |
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#endif /* !FT_CONFIG_OPTION_NO_ASSEMBLER */ |
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#ifdef FT_CONFIG_OPTION_INLINE_MULFIX |
#ifdef FT_MULFIX_ASSEMBLER |
#define FT_MULFIX_INLINED FT_MULFIX_ASSEMBLER |
#endif |
#endif |
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#ifdef FT_MAKE_OPTION_SINGLE_OBJECT |
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#define FT_LOCAL( x ) static x |
#define FT_LOCAL_DEF( x ) static x |
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#else |
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#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 |
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#endif /* FT_MAKE_OPTION_SINGLE_OBJECT */ |
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#ifndef FT_BASE |
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#ifdef __cplusplus |
#define FT_BASE( x ) extern "C" x |
#else |
#define FT_BASE( x ) extern x |
#endif |
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#endif /* !FT_BASE */ |
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#ifndef FT_BASE_DEF |
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#ifdef __cplusplus |
#define FT_BASE_DEF( x ) x |
#else |
#define FT_BASE_DEF( x ) x |
#endif |
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#endif /* !FT_BASE_DEF */ |
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#ifndef FT_EXPORT |
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#ifdef __cplusplus |
#define FT_EXPORT( x ) extern "C" x |
#else |
#define FT_EXPORT( x ) extern x |
#endif |
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#endif /* !FT_EXPORT */ |
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#ifndef FT_EXPORT_DEF |
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#ifdef __cplusplus |
#define FT_EXPORT_DEF( x ) extern "C" x |
#else |
#define FT_EXPORT_DEF( x ) extern x |
#endif |
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#endif /* !FT_EXPORT_DEF */ |
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#ifndef FT_EXPORT_VAR |
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#ifdef __cplusplus |
#define FT_EXPORT_VAR( x ) extern "C" x |
#else |
#define FT_EXPORT_VAR( x ) extern x |
#endif |
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#endif /* !FT_EXPORT_VAR */ |
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/* The following macros are needed to compile the library with a */ |
/* C++ compiler and with 16bit compilers. */ |
/* */ |
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/* 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 */ |
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#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 */ |
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FT_END_HEADER |
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#endif /* __FTCONFIG_H__ */ |
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/* END */ |