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- /***************************************************************************/
- /* */
- /* ftconfig.h */
- /* */
- /* ANSI-specific configuration file (specification only). */
- /* */
- /* Copyright 1996-2004, 2006-2008, 2010-2011, 2013, 2014 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/'. */
- /* */
- /*************************************************************************/
- #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 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. */
- #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) */
- #if defined( __clang__ ) && defined( __thumb2__ )
- "add.w %0, %0, #0x8000\n\t" /* %0 += 0x8000 */
- #else
- "add %0, %0, #0x8000\n\t" /* %0 += 0x8000 */
- #endif
- "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'. */
- #if ( __GNUC__ > 4 ) || ( ( __GNUC__ == 4 ) && ( __GNUC_MINOR__ >= 6 ) )
- #pragma GCC diagnostic push
- #pragma GCC diagnostic ignored "-Wlong-long"
- #endif
- #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
- #if ( __GNUC__ > 4 ) || ( ( __GNUC__ == 4 ) && ( __GNUC_MINOR__ >= 6 ) )
- #pragma GCC diagnostic pop
- #endif
- }
- #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 */
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