forked from minhngoc25a/freetype2
698 lines
24 KiB
Plaintext
698 lines
24 KiB
Plaintext
/***************************************************************************/
|
|
/* */
|
|
/* ftconfig.in */
|
|
/* */
|
|
/* UNIX-specific configuration file (specification only). */
|
|
/* */
|
|
/* Copyright 1996-2004, 2006-2009, 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. */
|
|
/* */
|
|
/*************************************************************************/
|
|
|
|
|
|
#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 */
|
|
/* `freetype/builds/<system>' directory, and edit it to port the engine. */
|
|
/* */
|
|
/*************************************************************************/
|
|
|
|
|
|
#undef HAVE_UNISTD_H
|
|
#undef HAVE_FCNTL_H
|
|
#undef HAVE_STDINT_H
|
|
|
|
|
|
/* 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
|
|
|
|
|
|
#undef FT_USE_AUTOCONF_SIZEOF_TYPES
|
|
#ifdef FT_USE_AUTOCONF_SIZEOF_TYPES
|
|
|
|
#undef SIZEOF_INT
|
|
#undef SIZEOF_LONG
|
|
#define FT_SIZEOF_INT SIZEOF_INT
|
|
#define FT_SIZEOF_LONG SIZEOF_LONG
|
|
|
|
#else /* !FT_USE_AUTOCONF_SIZEOF_TYPES */
|
|
|
|
/* Following cpp computation of the bit length of int and long */
|
|
/* is copied from default include/freetype/config/ftconfig.h. */
|
|
/* If any improvement is required for this file, it should be */
|
|
/* applied to the original header file for the builders that */
|
|
/* does not use configure script. */
|
|
|
|
/* 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
|
|
|
|
#endif /* !FT_USE_AUTOCONF_SIZEOF_TYPES */
|
|
|
|
|
|
/* 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
|
|
|
|
|
|
/* 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 == 4
|
|
|
|
typedef signed int FT_Int32;
|
|
typedef unsigned int FT_UInt32;
|
|
|
|
#elif FT_SIZEOF_LONG == 4
|
|
|
|
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 >= 4
|
|
|
|
typedef int FT_Fast;
|
|
typedef unsigned int FT_UFast;
|
|
|
|
#elif FT_SIZEOF_LONG >= 4
|
|
|
|
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 == 8
|
|
|
|
/* 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 == 8 */
|
|
|
|
|
|
/*************************************************************************/
|
|
/* */
|
|
/* 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. */
|
|
/* Since `#undef' doesn't survive in configuration header files */
|
|
/* we use the postprocessing facility of AC_CONFIG_HEADERS to */
|
|
/* replace the leading `/' with `#'. */
|
|
/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. */
|
|
|
|
#if defined( __CC_ARM ) || defined( __ARMCC__ ) /* 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( __thumb2__ ) ) && \
|
|
!( 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__ && */
|
|
/* ( __thumb2__ || !__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 */
|
|
|
|
|
|
#if defined( __GNUC__ ) && defined( __x86_64__ )
|
|
|
|
#define FT_MULFIX_ASSEMBLER FT_MulFix_x86_64
|
|
|
|
static __inline__ FT_Int32
|
|
FT_MulFix_x86_64( FT_Int32 a,
|
|
FT_Int32 b )
|
|
{
|
|
/* Temporarily disable the warning that C90 doesn't support */
|
|
/* `long long'. */
|
|
#pragma GCC diagnostic push
|
|
#pragma GCC diagnostic ignored "-Wlong-long"
|
|
|
|
#if 1
|
|
/* Technically not an assembly fragment, but GCC does a really good */
|
|
/* job at inlining it and generating good machine code for it. */
|
|
long long ret, tmp;
|
|
|
|
|
|
ret = (long long)a * b;
|
|
tmp = ret >> 63;
|
|
ret += 0x8000 + tmp;
|
|
|
|
return (FT_Int32)( ret >> 16 );
|
|
#else
|
|
|
|
/* For some reason, GCC 4.6 on Ubuntu 12.04 generates invalid machine */
|
|
/* code from the lines below. The main issue is that `wide_a' is not */
|
|
/* properly initialized by sign-extending `a'. Instead, the generated */
|
|
/* machine code assumes that the register that contains `a' on input */
|
|
/* can be used directly as a 64-bit value, which is wrong most of the */
|
|
/* time. */
|
|
long long wide_a = (long long)a;
|
|
long long wide_b = (long long)b;
|
|
long long result;
|
|
|
|
|
|
__asm__ __volatile__ (
|
|
"imul %2, %1\n"
|
|
"mov %1, %0\n"
|
|
"sar $63, %0\n"
|
|
"lea 0x8000(%1, %0), %0\n"
|
|
"sar $16, %0\n"
|
|
: "=&r"(result), "=&r"(wide_a)
|
|
: "r"(wide_b)
|
|
: "cc" );
|
|
|
|
return (FT_Int32)result;
|
|
#endif
|
|
|
|
#pragma GCC diagnostic pop
|
|
}
|
|
|
|
#endif /* __GNUC__ && __x86_64__ */
|
|
|
|
#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 */
|
|
|
|
#define FT_LOCAL_ARRAY( x ) extern const x
|
|
#define FT_LOCAL_ARRAY_DEF( x ) const x
|
|
|
|
|
|
#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 */
|