jpeg/jconfig.h

   1 /* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   2 /* ***** BEGIN LICENSE BLOCK *****
   3  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
   4  *
   5  * The contents of this file are subject to the Mozilla Public License Version
   6  * 1.1 (the "License"); you may not use this file except in compliance with
   7  * the License. You may obtain a copy of the License at
   8  * http://www.mozilla.org/MPL/
   9  *
  10  * Software distributed under the License is distributed on an "AS IS" basis,
  11  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
  12  * for the specific language governing rights and limitations under the
  13  * License.
  14  *
  15  * The Original Code is mozilla.org code.
  16  *
  17  * The Initial Developer of the Original Code is
  18  * Netscape Communications Corporation.
  19  * Portions created by the Initial Developer are Copyright (C) 1998
  20  * the Initial Developer. All Rights Reserved.
  21  *
  22  * Contributor(s):
  23  *
  24  * Alternatively, the contents of this file may be used under the terms of
  25  * either the GNU General Public License Version 2 or later (the "GPL"), or
  26  * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
  27  * in which case the provisions of the GPL or the LGPL are applicable instead
  28  * of those above. If you wish to allow use of your version of this file only
  29  * under the terms of either the GPL or the LGPL, and not to allow others to
  30  * use your version of this file under the terms of the MPL, indicate your
  31  * decision by deleting the provisions above and replace them with the notice
  32  * and other provisions required by the GPL or the LGPL. If you do not delete
  33  * the provisions above, a recipient may use your version of this file under
  34  * the terms of any one of the MPL, the GPL or the LGPL.
  35  *
  36  * ***** END LICENSE BLOCK ***** */
  37
  38 /*
  39  * jconfig.h to configure the IJG JPEG library for the Mozilla/Netscape
  40  * environment.  Note that there are also Mozilla mods in jmorecfg.h.
  41  */
  42
  43 /* We assume an ANSI C or C++ compilation environment */
  44 #define HAVE_PROTOTYPES
  45 #define HAVE_UNSIGNED_CHAR
  46 #define HAVE_UNSIGNED_SHORT
  47 /* #define void char */
  48 /* #define const */
  49 #ifndef HAVE_STDDEF_H
  50 #define HAVE_STDDEF_H
  51 #endif /* HAVE_STDDEF_H */
  52 #ifndef HAVE_STDLIB_H
  53 #define HAVE_STDLIB_H
  54 #endif /* HAVE_STDLIB_H */
  55 #undef NEED_BSD_STRINGS
  56 #undef NEED_SYS_TYPES_H
  57 #undef NEED_FAR_POINTERS
  58 #undef NEED_SHORT_EXTERNAL_NAMES
  59 /* Define this if you get warnings about undefined structures. */
  60 #undef INCOMPLETE_TYPES_BROKEN
  61
  62 /* With this setting, the IJG code will work regardless of whether
  63  * type "char" is signed or unsigned.
  64  */
  65 #undef CHAR_IS_UNSIGNED
  66
  67
  68 /* defines that need not be visible to callers of the IJG library */
  69
  70 #ifdef JPEG_INTERNALS
  71
  72 /* If right shift of "long" quantities is unsigned on your machine,
  73  * you'll have to define this.  Fortunately few people should need it.
  74  */
  75 #undef RIGHT_SHIFT_IS_UNSIGNED
  76
  77 #endif /* JPEG_INTERNALS */
  78
  79
  80 /* these defines are not interesting for building just the IJG library,
  81  * but we leave 'em here anyway.
  82  */
  83 #ifdef JPEG_CJPEG_DJPEG
  84
  85 #define BMP_SUPPORTED           /* BMP image file format */
  86 #define GIF_SUPPORTED           /* GIF image file format */
  87 #define PPM_SUPPORTED           /* PBMPLUS PPM/PGM image file format */
  88 #undef RLE_SUPPORTED            /* Utah RLE image file format */
  89 #define TARGA_SUPPORTED         /* Targa image file format */
  90
  91 #undef TWO_FILE_COMMANDLINE
  92 #undef NEED_SIGNAL_CATCHER
  93 #undef DONT_USE_B_MODE
  94 #undef PROGRESS_REPORT
  95
  96 #endif /* JPEG_CJPEG_DJPEG */
  97
  98 /* SSE* alignment support - only use on platforms that support declspec and __attribute__ */
  99
 100 #if defined(XP_WIN32) && defined(_M_IX86) && !defined(__GNUC__)
 101 #define ALIGN16_const_vector_short(name) __declspec(align(16)) const short name[8]
 102 #define ALIGN16_const_vector_uchar(name) __declspec(align(16)) const unsigned char name[16]
 103 #else
 104 #define ALIGN16_const_vector_short(name) const short name[8] __attribute__ ((aligned (16)))
 105 #define ALIGN16_const_vector_uchar(name) const unsigned char name[16] __attribute__ ((aligned (16)))
 106 #endif /* ! XP_WIN32 && _M_IX86 && !__GNUC */
 107