ftconfig.h.svn-base

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/***************************************************************************/
/*                                                                         */
/*  ftconfig.h                                                             */
/*                                                                         */
/*    ANSI-specific configuration file (specification only).               */
/*                                                                         */
/*  Copyright 1996-2001, 2002, 2003, 2004, 2006, 2007 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.                                                 */
  /*                                                                       */
  /* This ANSI version should stay in `include/freetype/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     */
  /* `freetype/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


  /* Preferred alignment of data */
#define FT_ALIGNMENT  8


  /* 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( DARWIN_NO_CARBON ) ) || \
    ( defined( __MWERKS__ ) && defined( macintosh )        )
  /* no Carbon frameworks for 64bit 10.4.x */
#include "AvailabilityMacros.h"
#if defined( __LP64__ ) && \
    ( MAC_OS_X_VERSION_MIN_REQUIRED <= MAC_OS_X_VERSION_10_4 )
#define DARWIN_NO_CARBON 1
#else
#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;

  /* */

#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;