forked from minhngoc25a/freetype2
469 lines
18 KiB
C
469 lines
18 KiB
C
/***************************************************************************/
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/* */
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/* ftconfig.h */
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/* */
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/* ANSI-specific configuration file (specification only). */
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/* */
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/* Copyright 1996-2015 by */
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/* David Turner, Robert Wilhelm, and Werner Lemberg. */
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/* */
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/* This file is part of the FreeType project, and may only be used, */
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/* modified, and distributed under the terms of the FreeType project */
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/* license, LICENSE.TXT. By continuing to use, modify, or distribute */
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/* this file you indicate that you have read the license and */
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/* understand and accept it fully. */
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/* */
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/***************************************************************************/
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/*************************************************************************/
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/* */
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/* This header file contains a number of macro definitions that are used */
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/* by the rest of the engine. Most of the macros here are automatically */
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/* determined at compile time, and you should not need to change it to */
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/* port FreeType, except to compile the library with a non-ANSI */
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/* compiler. */
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/* */
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/* Note however that if some specific modifications are needed, we */
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/* advise you to place a modified copy in your build directory. */
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/* */
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/* The build directory is usually `builds/<system>', and contains */
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/* system-specific files that are always included first when building */
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/* the library. */
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/* */
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/* This ANSI version should stay in `include/config/'. */
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/* */
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/*************************************************************************/
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#ifndef __FTCONFIG_H__
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#define __FTCONFIG_H__
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#include <ft2build.h>
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#include FT_CONFIG_OPTIONS_H
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#include FT_CONFIG_STANDARD_LIBRARY_H
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FT_BEGIN_HEADER
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/*************************************************************************/
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/* */
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/* PLATFORM-SPECIFIC CONFIGURATION MACROS */
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/* */
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/* These macros can be toggled to suit a specific system. The current */
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/* ones are defaults used to compile FreeType in an ANSI C environment */
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/* (16bit compilers are also supported). Copy this file to your own */
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/* `builds/<system>' directory, and edit it to port the engine. */
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/* */
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/*************************************************************************/
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/* There are systems (like the Texas Instruments 'C54x) where a `char' */
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/* has 16 bits. ANSI C says that sizeof(char) is always 1. Since an */
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/* `int' has 16 bits also for this system, sizeof(int) gives 1 which */
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/* is probably unexpected. */
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/* */
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/* `CHAR_BIT' (defined in limits.h) gives the number of bits in a */
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/* `char' type. */
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#ifndef FT_CHAR_BIT
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#define FT_CHAR_BIT CHAR_BIT
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#endif
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/* The size of an `int' type. */
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#if FT_UINT_MAX == 0xFFFFUL
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#define FT_SIZEOF_INT (16 / FT_CHAR_BIT)
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#elif FT_UINT_MAX == 0xFFFFFFFFUL
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#define FT_SIZEOF_INT (32 / FT_CHAR_BIT)
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#elif FT_UINT_MAX > 0xFFFFFFFFUL && FT_UINT_MAX == 0xFFFFFFFFFFFFFFFFUL
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#define FT_SIZEOF_INT (64 / FT_CHAR_BIT)
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#else
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#error "Unsupported size of `int' type!"
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#endif
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/* The size of a `long' type. A five-byte `long' (as used e.g. on the */
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/* DM642) is recognized but avoided. */
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#if FT_ULONG_MAX == 0xFFFFFFFFUL
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#define FT_SIZEOF_LONG (32 / FT_CHAR_BIT)
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#elif FT_ULONG_MAX > 0xFFFFFFFFUL && FT_ULONG_MAX == 0xFFFFFFFFFFUL
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#define FT_SIZEOF_LONG (32 / FT_CHAR_BIT)
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#elif FT_ULONG_MAX > 0xFFFFFFFFUL && FT_ULONG_MAX == 0xFFFFFFFFFFFFFFFFUL
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#define FT_SIZEOF_LONG (64 / FT_CHAR_BIT)
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#else
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#error "Unsupported size of `long' type!"
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#endif
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/* FT_UNUSED is a macro used to indicate that a given parameter is not */
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/* used -- this is only used to get rid of unpleasant compiler warnings */
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#ifndef FT_UNUSED
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#define FT_UNUSED( arg ) ( (arg) = (arg) )
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#endif
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/*************************************************************************/
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/* */
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/* AUTOMATIC CONFIGURATION MACROS */
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/* */
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/* These macros are computed from the ones defined above. Don't touch */
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/* their definition, unless you know precisely what you are doing. No */
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/* porter should need to mess with them. */
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/* */
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/*************************************************************************/
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/*************************************************************************/
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/* */
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/* Mac support */
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/* */
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/* This is the only necessary change, so it is defined here instead */
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/* providing a new configuration file. */
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/* */
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#if defined( __APPLE__ ) || ( defined( __MWERKS__ ) && defined( macintosh ) )
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/* no Carbon frameworks for 64bit 10.4.x */
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/* AvailabilityMacros.h is available since Mac OS X 10.2, */
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/* so guess the system version by maximum errno before inclusion */
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#include <errno.h>
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#ifdef ECANCELED /* defined since 10.2 */
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#include "AvailabilityMacros.h"
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#endif
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#if defined( __LP64__ ) && \
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( MAC_OS_X_VERSION_MIN_REQUIRED <= MAC_OS_X_VERSION_10_4 )
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#undef FT_MACINTOSH
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#endif
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#elif defined( __SC__ ) || defined( __MRC__ )
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/* Classic MacOS compilers */
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#include "ConditionalMacros.h"
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#if TARGET_OS_MAC
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#define FT_MACINTOSH 1
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#endif
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#endif
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/*************************************************************************/
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/* */
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/* <Section> */
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/* basic_types */
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/* */
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/*************************************************************************/
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/*************************************************************************/
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/* */
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/* <Type> */
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/* FT_Int16 */
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/* */
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/* <Description> */
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/* A typedef for a 16bit signed integer type. */
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/* */
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typedef signed short FT_Int16;
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/*************************************************************************/
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/* */
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/* <Type> */
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/* FT_UInt16 */
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/* */
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/* <Description> */
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/* A typedef for a 16bit unsigned integer type. */
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/* */
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typedef unsigned short FT_UInt16;
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/* */
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/* this #if 0 ... #endif clause is for documentation purposes */
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#if 0
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/*************************************************************************/
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/* */
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/* <Type> */
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/* FT_Int32 */
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/* */
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/* <Description> */
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/* A typedef for a 32bit signed integer type. The size depends on */
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/* the configuration. */
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/* */
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typedef signed XXX FT_Int32;
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/*************************************************************************/
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/* */
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/* <Type> */
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/* FT_UInt32 */
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/* */
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/* A typedef for a 32bit unsigned integer type. The size depends on */
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/* the configuration. */
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/* */
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typedef unsigned XXX FT_UInt32;
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/*************************************************************************/
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/* */
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/* <Type> */
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/* FT_Int64 */
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/* */
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/* A typedef for a 64bit signed integer type. The size depends on */
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/* the configuration. Only defined if there is real 64bit support; */
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/* otherwise, it gets emulated with a structure (if necessary). */
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/* */
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typedef signed XXX FT_Int64;
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/*************************************************************************/
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/* */
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/* <Type> */
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/* FT_UInt64 */
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/* */
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/* A typedef for a 64bit unsigned integer type. The size depends on */
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/* the configuration. Only defined if there is real 64bit support; */
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/* otherwise, it gets emulated with a structure (if necessary). */
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/* */
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typedef unsigned XXX FT_UInt64;
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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;
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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;
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typedef unsigned long FT_UInt32;
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#else
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#error "no 32bit type found -- please check your configuration files"
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#endif
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/* look up an integer type that is at least 32 bits */
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#if FT_SIZEOF_INT >= (32 / FT_CHAR_BIT)
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typedef int FT_Fast;
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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;
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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 */
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/* Autoconf */
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#if FT_SIZEOF_LONG == (64 / FT_CHAR_BIT)
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/* FT_LONG64 must be defined if a 64-bit type is available */
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#define FT_LONG64
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#define FT_INT64 long
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#define FT_UINT64 unsigned long
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/*************************************************************************/
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/* */
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/* A 64-bit data type may create compilation problems if you compile */
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/* in strict ANSI mode. To avoid them, we disable other 64-bit data */
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/* types if __STDC__ is defined. You can however ignore this rule */
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/* by defining the FT_CONFIG_OPTION_FORCE_INT64 configuration macro. */
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/* */
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#elif !defined( __STDC__ ) || defined( FT_CONFIG_OPTION_FORCE_INT64 )
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#if defined( _MSC_VER ) && _MSC_VER >= 900 /* Visual C++ (and Intel C++) */
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/* this compiler provides the __int64 type */
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#define FT_LONG64
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#define FT_INT64 __int64
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#define FT_UINT64 unsigned __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 */
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/* to test the compiler version. */
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/* this compiler provides the __int64 type */
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#define FT_LONG64
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#define FT_INT64 __int64
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#define FT_UINT64 unsigned __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
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#define FT_INT64 long long int
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#define FT_UINT64 unsigned long long int
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#elif defined( __GNUC__ )
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/* GCC provides the `long long' type */
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#define FT_LONG64
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#define FT_INT64 long long int
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#define FT_UINT64 unsigned long long int
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#endif /* _MSC_VER */
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#endif /* FT_SIZEOF_LONG == (64 / FT_CHAR_BIT) */
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#ifdef FT_LONG64
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typedef FT_INT64 FT_Int64;
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typedef FT_UINT64 FT_UInt64;
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#endif
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/*************************************************************************/
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/* */
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/* <Section> */
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/* miscellaneous */
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/* */
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/*************************************************************************/
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#define FT_BEGIN_STMNT do {
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#define FT_END_STMNT } while ( 0 )
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#define FT_DUMMY_STMNT FT_BEGIN_STMNT FT_END_STMNT
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/* typeof condition taken from gnulib's `intprops.h' header file */
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#if ( __GNUC__ >= 2 || \
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defined( __IBM__TYPEOF__ ) || \
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( __SUNPRO_C >= 0x5110 && !__STDC__ ) )
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#define TYPEOF( type, x ) (__typeof__ (type))(x)
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#else
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#define TYPEOF( type, x ) (x)
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#endif
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#ifdef FT_MAKE_OPTION_SINGLE_OBJECT
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#define FT_LOCAL( x ) static x
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#define FT_LOCAL_DEF( x ) static x
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#else
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#ifdef __cplusplus
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#define FT_LOCAL( x ) extern "C" x
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#define FT_LOCAL_DEF( x ) extern "C" x
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#else
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#define FT_LOCAL( x ) extern x
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#define FT_LOCAL_DEF( x ) x
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#endif
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#endif /* FT_MAKE_OPTION_SINGLE_OBJECT */
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#define FT_LOCAL_ARRAY( x ) extern const x
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#define FT_LOCAL_ARRAY_DEF( x ) const x
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#ifndef FT_BASE
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#ifdef __cplusplus
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#define FT_BASE( x ) extern "C" x
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#else
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#define FT_BASE( x ) extern x
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#endif
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#endif /* !FT_BASE */
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#ifndef FT_BASE_DEF
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#ifdef __cplusplus
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#define FT_BASE_DEF( x ) x
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#else
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#define FT_BASE_DEF( x ) x
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#endif
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#endif /* !FT_BASE_DEF */
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#ifndef FT_EXPORT
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#ifdef __cplusplus
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#define FT_EXPORT( x ) extern "C" x
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#else
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#define FT_EXPORT( x ) extern x
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#endif
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#endif /* !FT_EXPORT */
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#ifndef FT_EXPORT_DEF
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#ifdef __cplusplus
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#define FT_EXPORT_DEF( x ) extern "C" x
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#else
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#define FT_EXPORT_DEF( x ) extern x
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#endif
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#endif /* !FT_EXPORT_DEF */
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#ifndef FT_EXPORT_VAR
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#ifdef __cplusplus
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#define FT_EXPORT_VAR( x ) extern "C" x
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#else
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#define FT_EXPORT_VAR( x ) extern x
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#endif
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#endif /* !FT_EXPORT_VAR */
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/* The following macros are needed to compile the library with a */
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/* C++ compiler and with 16bit compilers. */
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/* */
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/* This is special. Within C++, you must specify `extern "C"' for */
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/* functions which are used via function pointers, and you also */
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/* must do that for structures which contain function pointers to */
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/* assure C linkage -- it's not possible to have (local) anonymous */
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/* functions which are accessed by (global) function pointers. */
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/* */
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/* */
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/* FT_CALLBACK_DEF is used to _define_ a callback function. */
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/* */
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/* FT_CALLBACK_TABLE is used to _declare_ a constant variable that */
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/* contains pointers to callback functions. */
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/* */
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/* FT_CALLBACK_TABLE_DEF is used to _define_ a constant variable */
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/* that contains pointers to callback functions. */
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/* */
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/* */
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/* Some 16bit compilers have to redefine these macros to insert */
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/* the infamous `_cdecl' or `__fastcall' declarations. */
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/* */
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#ifndef FT_CALLBACK_DEF
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#ifdef __cplusplus
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#define FT_CALLBACK_DEF( x ) extern "C" x
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#else
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#define FT_CALLBACK_DEF( x ) static x
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#endif
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#endif /* FT_CALLBACK_DEF */
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#ifndef FT_CALLBACK_TABLE
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#ifdef __cplusplus
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#define FT_CALLBACK_TABLE extern "C"
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#define FT_CALLBACK_TABLE_DEF extern "C"
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#else
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#define FT_CALLBACK_TABLE extern
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#define FT_CALLBACK_TABLE_DEF /* nothing */
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#endif
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#endif /* FT_CALLBACK_TABLE */
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FT_END_HEADER
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#endif /* __FTCONFIG_H__ */
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/* END */
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