WebSVN – Kolibri OS – Blame – /contrib/media/updf/include/freetype/config/ftconfig.h

Rev	Author	Line No.	Line
4680	right-hear	1	/***************************************************************************/
		2	/* */
		3	/* ftconfig.h */
		4	/* */
		5	/* ANSI-specific configuration file (specification only). */
		6	/* */
		7	/* Copyright 1996-2001, 2002, 2003, 2004, 2006, 2007, 2008, 2010 by */
		8	/* David Turner, Robert Wilhelm, and Werner Lemberg. */
		9	/* */
		10	/* This file is part of the FreeType project, and may only be used, */
		11	/* modified, and distributed under the terms of the FreeType project */
		12	/* license, LICENSE.TXT. By continuing to use, modify, or distribute */
		13	/* this file you indicate that you have read the license and */
		14	/* understand and accept it fully. */
		15	/* */
		16	/***************************************************************************/
		17
		18
		19	/*************************************************************************/
		20	/* */
		21	/* This header file contains a number of macro definitions that are used */
		22	/* by the rest of the engine. Most of the macros here are automatically */
		23	/* determined at compile time, and you should not need to change it to */
		24	/* port FreeType, except to compile the library with a non-ANSI */
		25	/* compiler. */
		26	/* */
		27	/* Note however that if some specific modifications are needed, we */
		28	/* advise you to place a modified copy in your build directory. */
		29	/* */
		30	/* The build directory is usually `freetype/builds/', and */
		31	/* contains system-specific files that are always included first when */
		32	/* building the library. */
		33	/* */
		34	/* This ANSI version should stay in `include/freetype/config'. */
		35	/* */
		36	/*************************************************************************/
		37
		38	#ifndef __FTCONFIG_H__
		39	#define __FTCONFIG_H__
		40
		41	#include
		42	#include FT_CONFIG_OPTIONS_H
		43	#include FT_CONFIG_STANDARD_LIBRARY_H
		44
		45
		46	FT_BEGIN_HEADER
		47
		48
		49	/*************************************************************************/
		50	/* */
		51	/* PLATFORM-SPECIFIC CONFIGURATION MACROS */
		52	/* */
		53	/* These macros can be toggled to suit a specific system. The current */
		54	/* ones are defaults used to compile FreeType in an ANSI C environment */
		55	/* (16bit compilers are also supported). Copy this file to your own */
		56	/* `freetype/builds/' directory, and edit it to port the engine. */
		57	/* */
		58	/*************************************************************************/
		59
		60
		61	/* There are systems (like the Texas Instruments 'C54x) where a `char' */
		62	/* has 16 bits. ANSI C says that sizeof(char) is always 1. Since an */
		63	/* `int' has 16 bits also for this system, sizeof(int) gives 1 which */
		64	/* is probably unexpected. */
		65	/* */
		66	/* `CHAR_BIT' (defined in limits.h) gives the number of bits in a */
		67	/* `char' type. */
		68
		69	#ifndef FT_CHAR_BIT
		70	#define FT_CHAR_BIT CHAR_BIT
		71	#endif
		72
		73
		74	/* The size of an `int' type. */
		75	#if FT_UINT_MAX == 0xFFFFUL
		76	#define FT_SIZEOF_INT (16 / FT_CHAR_BIT)
		77	#elif FT_UINT_MAX == 0xFFFFFFFFUL
		78	#define FT_SIZEOF_INT (32 / FT_CHAR_BIT)
		79	#elif FT_UINT_MAX > 0xFFFFFFFFUL && FT_UINT_MAX == 0xFFFFFFFFFFFFFFFFUL
		80	#define FT_SIZEOF_INT (64 / FT_CHAR_BIT)
		81	#else
		82	#error "Unsupported size of `int' type!"
		83	#endif
		84
		85	/* The size of a `long' type. A five-byte `long' (as used e.g. on the */
		86	/* DM642) is recognized but avoided. */
		87	#if FT_ULONG_MAX == 0xFFFFFFFFUL
		88	#define FT_SIZEOF_LONG (32 / FT_CHAR_BIT)
		89	#elif FT_ULONG_MAX > 0xFFFFFFFFUL && FT_ULONG_MAX == 0xFFFFFFFFFFUL
		90	#define FT_SIZEOF_LONG (32 / FT_CHAR_BIT)
		91	#elif FT_ULONG_MAX > 0xFFFFFFFFUL && FT_ULONG_MAX == 0xFFFFFFFFFFFFFFFFUL
		92	#define FT_SIZEOF_LONG (64 / FT_CHAR_BIT)
		93	#else
		94	#error "Unsupported size of `long' type!"
		95	#endif
		96
		97
		98	/* Preferred alignment of data */
		99	#define FT_ALIGNMENT 8
		100
		101
		102	/* FT_UNUSED is a macro used to indicate that a given parameter is not */
		103	/* used -- this is only used to get rid of unpleasant compiler warnings */
		104	#ifndef FT_UNUSED
		105	#define FT_UNUSED( arg ) ( (arg) = (arg) )
		106	#endif
		107
		108
		109	/*************************************************************************/
		110	/* */
		111	/* AUTOMATIC CONFIGURATION MACROS */
		112	/* */
		113	/* These macros are computed from the ones defined above. Don't touch */
		114	/* their definition, unless you know precisely what you are doing. No */
		115	/* porter should need to mess with them. */
		116	/* */
		117	/*************************************************************************/
		118
		119
		120	/*************************************************************************/
		121	/* */
		122	/* Mac support */
		123	/* */
		124	/* This is the only necessary change, so it is defined here instead */
		125	/* providing a new configuration file. */
		126	/* */
		127	#if ( defined( __APPLE__ ) && !defined( DARWIN_NO_CARBON ) ) \|\| \
		128	( defined( __MWERKS__ ) && defined( macintosh ) )
		129	/* no Carbon frameworks for 64bit 10.4.x */
		130	#include "AvailabilityMacros.h"
		131	#if defined( __LP64__ ) && \
		132	( MAC_OS_X_VERSION_MIN_REQUIRED <= MAC_OS_X_VERSION_10_4 )
		133	#define DARWIN_NO_CARBON 1
		134	#else
		135	#define FT_MACINTOSH 1
		136	#endif
		137
		138	#elif defined( __SC__ ) \|\| defined( __MRC__ )
		139	/* Classic MacOS compilers */
		140	#include "ConditionalMacros.h"
		141	#if TARGET_OS_MAC
		142	#define FT_MACINTOSH 1
		143	#endif
		144
		145	#endif
		146
		147
		148	/*************************************************************************/
		149	/* */
		150	/* */
		151	/* basic_types */
		152	/* */
		153	/*************************************************************************/
		154
		155
		156	/*************************************************************************/
		157	/* */
		158	/* */
		159	/* FT_Int16 */
		160	/* */
		161	/* */
		162	/* A typedef for a 16bit signed integer type. */
		163	/* */
		164	typedef signed short FT_Int16;
		165
		166
		167	/*************************************************************************/
		168	/* */
		169	/* */
		170	/* FT_UInt16 */
		171	/* */
		172	/* */
		173	/* A typedef for a 16bit unsigned integer type. */
		174	/* */
		175	typedef unsigned short FT_UInt16;
		176
		177	/* */
		178
		179
		180	/* this #if 0 ... #endif clause is for documentation purposes */
		181	#if 0
		182
		183	/*************************************************************************/
		184	/* */
		185	/* */
		186	/* FT_Int32 */
		187	/* */
		188	/* */
		189	/* A typedef for a 32bit signed integer type. The size depends on */
		190	/* the configuration. */
		191	/* */
		192	typedef signed XXX FT_Int32;
		193
		194
		195	/*************************************************************************/
		196	/* */
		197	/* */
		198	/* FT_UInt32 */
		199	/* */
		200	/* A typedef for a 32bit unsigned integer type. The size depends on */
		201	/* the configuration. */
		202	/* */
		203	typedef unsigned XXX FT_UInt32;
		204
		205	/* */
		206
		207	#endif
		208
		209	#if FT_SIZEOF_INT == (32 / FT_CHAR_BIT)
		210
		211	typedef signed int FT_Int32;
		212	typedef unsigned int FT_UInt32;
		213
		214	#elif FT_SIZEOF_LONG == (32 / FT_CHAR_BIT)
		215
		216	typedef signed long FT_Int32;
		217	typedef unsigned long FT_UInt32;
		218
		219	#else
		220	#error "no 32bit type found -- please check your configuration files"
		221	#endif
		222
		223
		224	/* look up an integer type that is at least 32 bits */
		225	#if FT_SIZEOF_INT >= (32 / FT_CHAR_BIT)
		226
		227	typedef int FT_Fast;
		228	typedef unsigned int FT_UFast;
		229
		230	#elif FT_SIZEOF_LONG >= (32 / FT_CHAR_BIT)
		231
		232	typedef long FT_Fast;
		233	typedef unsigned long FT_UFast;
		234
		235	#endif
		236
		237
		238	/* determine whether we have a 64-bit int type for platforms without */
		239	/* Autoconf */
		240	#if FT_SIZEOF_LONG == (64 / FT_CHAR_BIT)
		241
		242	/* FT_LONG64 must be defined if a 64-bit type is available */
		243	#define FT_LONG64
		244	#define FT_INT64 long
		245
		246	#elif defined( _MSC_VER ) && _MSC_VER >= 900 /* Visual C++ (and Intel C++) */
		247
		248	/* this compiler provides the __int64 type */
		249	#define FT_LONG64
		250	#define FT_INT64 __int64
		251
		252	#elif defined( __BORLANDC__ ) /* Borland C++ */
		253
		254	/* XXXX: We should probably check the value of __BORLANDC__ in order */
		255	/* to test the compiler version. */
		256
		257	/* this compiler provides the __int64 type */
		258	#define FT_LONG64
		259	#define FT_INT64 __int64
		260
		261	#elif defined( __WATCOMC__ ) /* Watcom C++ */
		262
		263	/* Watcom doesn't provide 64-bit data types */
		264
		265	#elif defined( __MWERKS__ ) /* Metrowerks CodeWarrior */
		266
		267	#define FT_LONG64
		268	#define FT_INT64 long long int
		269
		270	#elif defined( __GNUC__ )
		271
		272	/* GCC provides the `long long' type */
		273	#define FT_LONG64
		274	#define FT_INT64 long long int
		275
		276	#endif /* FT_SIZEOF_LONG == (64 / FT_CHAR_BIT) */
		277
		278
		279	/*************************************************************************/
		280	/* */
		281	/* A 64-bit data type will create compilation problems if you compile */
		282	/* in strict ANSI mode. To avoid them, we disable its use if __STDC__ */
		283	/* is defined. You can however ignore this rule by defining the */
		284	/* FT_CONFIG_OPTION_FORCE_INT64 configuration macro. */
		285	/* */
		286	#if defined( FT_LONG64 ) && !defined( FT_CONFIG_OPTION_FORCE_INT64 )
		287
		288	#ifdef __STDC__
		289
		290	/* undefine the 64-bit macros in strict ANSI compilation mode */
		291	#undef FT_LONG64
		292	#undef FT_INT64
		293
		294	#endif /* __STDC__ */
		295
		296	#endif /* FT_LONG64 && !FT_CONFIG_OPTION_FORCE_INT64 */
		297
		298
		299	#define FT_BEGIN_STMNT do {
		300	#define FT_END_STMNT } while ( 0 )
		301	#define FT_DUMMY_STMNT FT_BEGIN_STMNT FT_END_STMNT
		302
		303
		304	#ifndef FT_CONFIG_OPTION_NO_ASSEMBLER
		305	/* Provide assembler fragments for performance-critical functions. */
		306	/* These must be defined `static __inline__' with GCC. */
		307
		308	#if defined( __CC_ARM ) \|\| defined( __ARMCC__ ) /* RVCT */
		309	#define FT_MULFIX_ASSEMBLER FT_MulFix_arm
		310
		311	/* documentation is in freetype.h */
		312
		313	static __inline FT_Int32
		314	FT_MulFix_arm( FT_Int32 a,
		315	FT_Int32 b )
		316	{
		317	register FT_Int32 t, t2;
		318
		319
		320	__asm
		321	{
		322	smull t2, t, b, a /* (lo=t2,hi=t) = ab /
		323	mov a, t, asr #31 /* a = (hi >> 31) */
		324	add a, a, #0x8000 /* a += 0x8000 */
		325	adds t2, t2, a /* t2 += a */
		326	adc t, t, #0 /* t += carry */
		327	mov a, t2, lsr #16 /* a = t2 >> 16 */
		328	orr a, a, t, lsl #16 /* a \|= t << 16 */
		329	}
		330	return a;
		331	}
		332
		333	#endif /* __CC_ARM \|\| __ARMCC__ */
		334
		335
		336	#ifdef __GNUC__
		337
		338	#if defined( __arm__ ) && !defined( __thumb__ ) && \
		339	!( defined( __CC_ARM ) \|\| defined( __ARMCC__ ) )
		340	#define FT_MULFIX_ASSEMBLER FT_MulFix_arm
		341
		342	/* documentation is in freetype.h */
		343
		344	static __inline__ FT_Int32
		345	FT_MulFix_arm( FT_Int32 a,
		346	FT_Int32 b )
		347	{
		348	register FT_Int32 t, t2;
		349
		350
		351	asm __volatile__ (
		352	"smull %1, %2, %4, %3\n\t" /* (lo=%1,hi=%2) = ab /
		353	"mov %0, %2, asr #31\n\t" /* %0 = (hi >> 31) */
		354	"add %0, %0, #0x8000\n\t" /* %0 += 0x8000 */
		355	"adds %1, %1, %0\n\t" /* %1 += %0 */
		356	"adc %2, %2, #0\n\t" /* %2 += carry */
		357	"mov %0, %1, lsr #16\n\t" /* %0 = %1 >> 16 */
		358	"orr %0, %2, lsl #16\n\t" /* %0 \|= %2 << 16 */
		359	: "=r"(a), "=&r"(t2), "=&r"(t)
		360	: "r"(a), "r"(b) );
		361	return a;
		362	}
		363
		364	#endif /* __arm__ && !__thumb__ && !( __CC_ARM \|\| __ARMCC__ ) */
		365
		366	#if defined( __i386__ )
		367	#define FT_MULFIX_ASSEMBLER FT_MulFix_i386
		368
		369	/* documentation is in freetype.h */
		370
		371	static __inline__ FT_Int32
		372	FT_MulFix_i386( FT_Int32 a,
		373	FT_Int32 b )
		374	{
		375	register FT_Int32 result;
		376
		377
		378	__asm__ __volatile__ (
		379	"imul %%edx\n"
		380	"movl %%edx, %%ecx\n"
		381	"sarl $31, %%ecx\n"
		382	"addl $0x8000, %%ecx\n"
		383	"addl %%ecx, %%eax\n"
		384	"adcl $0, %%edx\n"
		385	"shrl $16, %%eax\n"
		386	"shll $16, %%edx\n"
		387	"addl %%edx, %%eax\n"
		388	: "=a"(result), "=d"(b)
		389	: "a"(a), "d"(b)
		390	: "%ecx", "cc" );
		391	return result;
		392	}
		393
		394	#endif /* i386 */
		395
		396	#endif /* __GNUC__ */
		397
		398	#endif /* !FT_CONFIG_OPTION_NO_ASSEMBLER */
		399
		400
		401	#ifdef FT_CONFIG_OPTION_INLINE_MULFIX
		402	#ifdef FT_MULFIX_ASSEMBLER
		403	#define FT_MULFIX_INLINED FT_MULFIX_ASSEMBLER
		404	#endif
		405	#endif
		406
		407
		408	#ifdef FT_MAKE_OPTION_SINGLE_OBJECT
		409
		410	#define FT_LOCAL( x ) static x
		411	#define FT_LOCAL_DEF( x ) static x
		412
		413	#else
		414
		415	#ifdef __cplusplus
		416	#define FT_LOCAL( x ) extern "C" x
		417	#define FT_LOCAL_DEF( x ) extern "C" x
		418	#else
		419	#define FT_LOCAL( x ) extern x
		420	#define FT_LOCAL_DEF( x ) x
		421	#endif
		422
		423	#endif /* FT_MAKE_OPTION_SINGLE_OBJECT */
		424
		425
		426	#ifndef FT_BASE
		427
		428	#ifdef __cplusplus
		429	#define FT_BASE( x ) extern "C" x
		430	#else
		431	#define FT_BASE( x ) extern x
		432	#endif
		433
		434	#endif /* !FT_BASE */
		435
		436
		437	#ifndef FT_BASE_DEF
		438
		439	#ifdef __cplusplus
		440	#define FT_BASE_DEF( x ) x
		441	#else
		442	#define FT_BASE_DEF( x ) x
		443	#endif
		444
		445	#endif /* !FT_BASE_DEF */
		446
		447
		448	#ifndef FT_EXPORT
		449
		450	#ifdef __cplusplus
		451	#define FT_EXPORT( x ) extern "C" x
		452	#else
		453	#define FT_EXPORT( x ) extern x
		454	#endif
		455
		456	#endif /* !FT_EXPORT */
		457
		458
		459	#ifndef FT_EXPORT_DEF
		460
		461	#ifdef __cplusplus
		462	#define FT_EXPORT_DEF( x ) extern "C" x
		463	#else
		464	#define FT_EXPORT_DEF( x ) extern x
		465	#endif
		466
		467	#endif /* !FT_EXPORT_DEF */
		468
		469
		470	#ifndef FT_EXPORT_VAR
		471
		472	#ifdef __cplusplus
		473	#define FT_EXPORT_VAR( x ) extern "C" x
		474	#else
		475	#define FT_EXPORT_VAR( x ) extern x
		476	#endif
		477
		478	#endif /* !FT_EXPORT_VAR */
		479
		480	/* The following macros are needed to compile the library with a */
		481	/* C++ compiler and with 16bit compilers. */
		482	/* */
		483
		484	/* This is special. Within C++, you must specify `extern "C"' for */
		485	/* functions which are used via function pointers, and you also */
		486	/* must do that for structures which contain function pointers to */
		487	/* assure C linkage -- it's not possible to have (local) anonymous */
		488	/* functions which are accessed by (global) function pointers. */
		489	/* */
		490	/* */
		491	/* FT_CALLBACK_DEF is used to _define_ a callback function. */
		492	/* */
		493	/* FT_CALLBACK_TABLE is used to _declare_ a constant variable that */
		494	/* contains pointers to callback functions. */
		495	/* */
		496	/* FT_CALLBACK_TABLE_DEF is used to _define_ a constant variable */
		497	/* that contains pointers to callback functions. */
		498	/* */
		499	/* */
		500	/* Some 16bit compilers have to redefine these macros to insert */
		501	/* the infamous `_cdecl' or `__fastcall' declarations. */
		502	/* */
		503	#ifndef FT_CALLBACK_DEF
		504	#ifdef __cplusplus
		505	#define FT_CALLBACK_DEF( x ) extern "C" x
		506	#else
		507	#define FT_CALLBACK_DEF( x ) static x
		508	#endif
		509	#endif /* FT_CALLBACK_DEF */
		510
		511	#ifndef FT_CALLBACK_TABLE
		512	#ifdef __cplusplus
		513	#define FT_CALLBACK_TABLE extern "C"
		514	#define FT_CALLBACK_TABLE_DEF extern "C"
		515	#else
		516	#define FT_CALLBACK_TABLE extern
		517	#define FT_CALLBACK_TABLE_DEF /* nothing */
		518	#endif
		519	#endif /* FT_CALLBACK_TABLE */
		520
		521
		522	FT_END_HEADER
		523
		524
		525	#endif /* __FTCONFIG_H__ */
		526
		527
		528	/* END */

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