1 /***************************************************************************/
5 /* ANSI-specific configuration file (specification only). */
7 /* Copyright 1996-2001, 2002 by */
8 /* David Turner, Robert Wilhelm, and Werner Lemberg. */
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. */
16 /***************************************************************************/
19 /*************************************************************************/
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 */
27 /* Note however that if some specific modifications are needed, we */
28 /* advise you to place a modified copy in your build directory. */
30 /* The build directory is usually `freetype/builds/<system>', and */
31 /* contains system-specific files that are always included first when */
32 /* building the library. */
34 /* This ANSI version should stay in `include/freetype/config'. */
36 /*************************************************************************/
39 #ifndef __FTCONFIG_H__
40 #define __FTCONFIG_H__
43 #include FT_CONFIG_OPTIONS_H
44 #include FT_CONFIG_STANDARD_LIBRARY_H
49 /*************************************************************************/
51 /* PLATFORM-SPECIFIC CONFIGURATION MACROS */
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/<system>' directory, and edit it to port the engine. */
58 /*************************************************************************/
61 /* The number of bytes in an `int' type. */
62 #if FT_UINT_MAX == 0xFFFFFFFFUL
63 #define FT_SIZEOF_INT 4
64 #elif FT_UINT_MAX == 0xFFFFU
65 #define FT_SIZEOF_INT 2
66 #elif FT_UINT_MAX > 0xFFFFFFFFU && FT_UINT_MAX == 0xFFFFFFFFFFFFFFFFU
67 #define FT_SIZEOF_INT 8
69 #error "Unsupported number of bytes in `int' type!"
72 /* The number of bytes in a `long' type. */
73 #if FT_ULONG_MAX == 0xFFFFFFFFUL
74 #define FT_SIZEOF_LONG 4
75 #elif FT_ULONG_MAX > 0xFFFFFFFFU && FT_ULONG_MAX == 0xFFFFFFFFFFFFFFFFU
76 #define FT_SIZEOF_LONG 8
78 #error "Unsupported number of bytes in `long' type!"
82 /* Preferred alignment of data */
83 #define FT_ALIGNMENT 8
86 /* FT_UNUSED is a macro used to indicate that a given parameter is not */
87 /* used -- this is only used to get rid of unpleasant compiler warnings */
89 #define FT_UNUSED( arg ) ( (arg) = (arg) )
93 /*************************************************************************/
95 /* AUTOMATIC CONFIGURATION MACROS */
97 /* These macros are computed from the ones defined above. Don't touch */
98 /* their definition, unless you know precisely what you are doing. No */
99 /* porter should need to mess with them. */
101 /*************************************************************************/
104 /*************************************************************************/
108 /* This is the only necessary change, so it is defined here instead */
109 /* providing a new configuration file. */
111 #if defined( __APPLE__ ) || ( defined( __MWERKS__ ) && defined( macintosh ) )
112 #define FT_MACINTOSH 1
116 /*************************************************************************/
120 /* Used to guarantee the size of some specific integers. */
122 typedef signed short FT_Int16;
123 typedef unsigned short FT_UInt16;
125 #if FT_SIZEOF_INT == 4
127 typedef signed int FT_Int32;
128 typedef unsigned int FT_UInt32;
130 #elif FT_SIZEOF_LONG == 4
132 typedef signed long FT_Int32;
133 typedef unsigned long FT_UInt32;
136 #error "no 32bit type found -- please check your configuration files"
139 /* now, lookup for an integer type that is at least 32 bits */
140 #if FT_SIZEOF_INT >= 4
143 typedef unsigned int FT_UFast;
145 #elif FT_SIZEOF_LONG >= 4
147 typedef long FT_Fast;
148 typedef unsigned long FT_UFast;
153 /* determine whether we have a 64-bit int type for platforms without */
155 #if FT_SIZEOF_LONG == 8
157 /* FT_LONG64 must be defined if a 64-bit type is available */
159 #define FT_INT64 long
161 #elif defined( _MSC_VER ) && _MSC_VER >= 900 /* Visual C++ (and Intel C++) */
163 /* this compiler provides the __int64 type */
165 #define FT_INT64 __int64
167 #elif defined( __BORLANDC__ ) /* Borland C++ */
169 /* XXXX: We should probably check the value of __BORLANDC__ in order */
170 /* to test the compiler version. */
172 /* this compiler provides the __int64 type */
174 #define FT_INT64 __int64
176 #elif defined( __WATCOMC__ ) /* Watcom C++ */
178 /* Watcom doesn't provide 64-bit data types */
180 #elif defined( __MWKS__ ) /* Metrowerks CodeWarrior */
182 /* I don't know if it provides 64-bit data types, any suggestion */
185 #elif defined( __GNUC__ )
187 /* GCC provides the "long long" type */
189 #define FT_INT64 long long int
191 #endif /* FT_SIZEOF_LONG == 8 */
194 /*************************************************************************/
196 /* A 64-bit data type will create compilation problems if you compile */
197 /* in strict ANSI mode. To avoid them, we disable their use if */
198 /* __STDC__ is defined. You can however ignore this rule by */
199 /* defining the FT_CONFIG_OPTION_FORCE_INT64 configuration macro. */
201 #if defined( FT_LONG64 ) && !defined( FT_CONFIG_OPTION_FORCE_INT64 )
205 /* undefine the 64-bit macros in strict ANSI compilation mode */
209 #endif /* __STDC__ */
211 #endif /* FT_LONG64 && !FT_CONFIG_OPTION_FORCE_INT64 */
214 #ifdef FT_MAKE_OPTION_SINGLE_OBJECT
216 #define FT_LOCAL( x ) static x
217 #define FT_LOCAL_DEF( x ) static x
222 #define FT_LOCAL( x ) extern "C" x
223 #define FT_LOCAL_DEF( x ) extern "C" x
225 #define FT_LOCAL( x ) extern x
226 #define FT_LOCAL_DEF( x ) x
229 #endif /* FT_MAKE_OPTION_SINGLE_OBJECT */
235 #define FT_BASE( x ) extern "C" x
237 #define FT_BASE( x ) extern x
240 #endif /* !FT_BASE */
246 #define FT_BASE_DEF( x ) extern "C" x
248 #define FT_BASE_DEF( x ) extern x
251 #endif /* !FT_BASE_DEF */
257 #define FT_EXPORT( x ) extern "C" x
259 #define FT_EXPORT( x ) extern x
262 #endif /* !FT_EXPORT */
265 #ifndef FT_EXPORT_DEF
268 #define FT_EXPORT_DEF( x ) extern "C" x
270 #define FT_EXPORT_DEF( x ) extern x
273 #endif /* !FT_EXPORT_DEF */
276 #ifndef FT_EXPORT_VAR
279 #define FT_EXPORT_VAR( x ) extern "C" x
281 #define FT_EXPORT_VAR( x ) extern x
284 #endif /* !FT_EXPORT_VAR */
286 /* The following macros are needed to compile the library with a */
287 /* C++ compiler and with 16bit compilers. */
290 /* This is special. Within C++, you must specify `extern "C"' for */
291 /* functions which are used via function pointers, and you also */
292 /* must do that for structures which contain function pointers to */
293 /* assure C linkage -- it's not possible to have (local) anonymous */
294 /* functions which are accessed by (global) function pointers. */
297 /* FT_CALLBACK_DEF is used to _define_ a callback function. */
299 /* FT_CALLBACK_TABLE is used to _declare_ a constant variable that */
300 /* contains pointers to callback functions. */
302 /* FT_CALLBACK_TABLE_DEF is used to _define_ a constant variable */
303 /* that contains pointers to callback functions. */
306 /* Some 16bit compilers have to redefine these macros to insert */
307 /* the infamous `_cdecl' or `__fastcall' declarations. */
309 #ifndef FT_CALLBACK_DEF
311 #define FT_CALLBACK_DEF( x ) extern "C" x
313 #define FT_CALLBACK_DEF( x ) static x
315 #endif /* FT_CALLBACK_DEF */
317 #ifndef FT_CALLBACK_TABLE
319 #define FT_CALLBACK_TABLE extern "C"
320 #define FT_CALLBACK_TABLE_DEF extern "C"
322 #define FT_CALLBACK_TABLE extern
323 #define FT_CALLBACK_TABLE_DEF /* nothing */
325 #endif /* FT_CALLBACK_TABLE */
331 #endif /* __FTCONFIG_H__ */