libmng_types.h

Linux下的基于X11的图形开发环境。

/* ************************************************************************** */
/* *             For conditions of distribution and use,                    * */
/* *                see copyright notice in libmng.h                        * */
/* ************************************************************************** */
/* *                                                                        * */
/* * project   : libmng                                                     * */
/* * file      : libmng_types.h            copyright (c) 2000 G.Juyn        * */
/* * version   : 1.0.3                                                      * */
/* *                                                                        * */
/* * purpose   : type specifications                                        * */
/* *                                                                        * */
/* * author    : G.Juyn                                                     * */
/* * web       : http://www.3-t.com                                         * */
/* * email     : mailto:[e-mail]                                        * */
/* *                                                                        * */
/* * comment   : Specification of the types used by the library             * */
/* *             Creates platform-independant structure                     * */
/* *                                                                        * */
/* * changes   : 0.5.1 - 05/06/2000 - G.Juyn                                * */
/* *             - added iteratechunk callback definition                   * */
/* *             0.5.1 - 05/08/2000 - G.Juyn                                * */
/* *             - improved definitions for DLL support                     * */
/* *             - added 8-bit palette definition                           * */
/* *             - added general array definitions                          * */
/* *             - added MNG_NULL definition                                * */
/* *             - changed strict-ANSI stuff                                * */
/* *             0.5.1 - 05/11/2000 - G.Juyn                                * */
/* *             - changed most callback prototypes to allow the app        * */
/* *               to report errors during callback processing              * */
/* *             0.5.1 - 05/16/2000 - G.Juyn                                * */
/* *             - moved standard header includes into this file            * */
/* *               (stdlib/mem for mem-mngmt & math for fp gamma-calc)      * */
/* *                                                                        * */
/* *             0.5.2 - 05/18/2000 - G.Juyn                                * */
/* *             - B003 - fixed problem with <mem.h> being proprietary      * */
/* *               to Borland platform                                      * */
/* *             - added helper definitions for JNG (IJG-based)             * */
/* *             - fixed support for IJGSRC6B                               * */
/* *             0.5.2 - 05/24/2000 - G.Juyn                                * */
/* *             - added default IJG compression parameters and such        * */
/* *             0.5.2 - 05/31/2000 - G.Juyn                                * */
/* *             - fixed inclusion for memcpy (contributed by Tim Rowley)   * */
/* *             - added mng_int32p (contributed by Tim Rowley)             * */
/* *             0.5.2 - 06/02/2000 - G.Juyn                                * */
/* *             - removed SWAP_ENDIAN reference (contributed by Tim Rowley)* */
/* *             - added getalphaline callback for RGB8_A8 canvasstyle      * */
/* *                                                                        * */
/* *             0.5.3 - 06/21/2000 - G.Juyn                                * */
/* *             - added speedtype to facilitate testing                    * */
/* *             0.5.3 - 06/27/2000 - G.Juyn                                * */
/* *             - added typedef for mng_size_t                             * */
/* *             - changed size parameter for memory callbacks to           * */
/* *               mng_size_t                                               * */
/* *             0.5.3 - 06/28/2000 - G.Juyn                                * */
/* *             - changed definition of 32-bit ints (64-bit platforms)     * */
/* *             - changed definition of mng_handle (64-bit platforms)      * */
/* *             0.5.3 - 06/29/2000 - G.Juyn                                * */
/* *             - changed definition of mng_handle (again)                 * */
/* *             - swapped refresh parameters                               * */
/* *             - added inclusion of stdlib.h for abs()                    * */
/* *                                                                        * */
/* *             0.9.0 - 06/30/2000 - G.Juyn                                * */
/* *             - changed refresh parameters to 'x,y,width,height'         * */
/* *             0.9.1 - 07/10/2000 - G.Juyn                                * */
/* *             - added suspendbuffer constants                            * */
/* *             0.9.1 - 07/15/2000 - G.Juyn                                * */
/* *             - added callbacks for SAVE/SEEK processing                 * */
/* *                                                                        * */
/* *             0.9.2 - 08/05/2000 - G.Juyn                                * */
/* *             - changed file-prefixes                                    * */
/* *                                                                        * */
/* *             0.9.3 - 08/07/2000 - G.Juyn                                * */
/* *             - B111300 - fixup for improved portability                 * */
/* *             0.9.3 - 08/12/2000 - G.Juyn                                * */
/* *             - added workaround for faulty PhotoShop iCCP chunk         * */
/* *             0.9.3 - 09/11/2000 - G.Juyn                                * */
/* *             - added export of zlib functions from windows dll          * */
/* *             - fixed inclusion parameters once again to make those      * */
/* *               external libs work together                              * */
/* *             - re-fixed fixed inclusion parameters                      * */
/* *               (these freeking libraries make me mad)                   * */
/* *             0.9.3 - 10/11/2000 - G.Juyn                                * */
/* *             - added support for nEED                                   * */
/* *             0.9.3 - 10/17/2000 - G.Juyn                                * */
/* *             - added callback to process non-critical unknown chunks    * */
/* *                                                                        * */
/* *             0.9.4 - 11/20/2000 - R.Giles                               * */
/* *             - fixed inclusion of lcms header for non-windows platforms * */
/* *             0.9.4 - 12/12/2000 - G.Juyn                                * */
/* *             - changed callback convention for MSVC (Thanks Chad)       * */
/* *             0.9.4 - 12/16/2000 - G.Juyn                                * */
/* *             - fixed mixup of data- & function-pointers (thanks Dimitri)* */
/* *                                                                        * */
/* *             1.0.1 - 02/08/2001 - G.Juyn                                * */
/* *             - added MEND processing callback                           * */
/* *                                                                        * */
/* *             1.0.2 - 06/23/2001 - G.Juyn                                * */
/* *             - added processterm callback                               * */
/* *                                                                        * */
/* *             1.0.3 - 08/06/2001 - G.Juyn                                * */
/* *             - changed inclusion of lcms.h for Linux platforms          * */
/* *                                                                        * */
/* ************************************************************************** */

#ifndef _libmng_types_h_
#define _libmng_types_h_

/* ************************************************************************** */

#ifdef __BORLANDC__
#pragma option -AT                     /* turn off strict ANSI-C for the moment */
#endif

#ifndef WIN32
#if defined(_WIN32) || defined(__WIN32__) || defined(_Windows) || defined(_WINDOWS)
#define WIN32                          /* gather them into a single define */
#endif
#endif

/* ************************************************************************** */
/* *                                                                        * */
/* * Here's where the external & standard libs are embedded                 * */
/* *                                                                        * */
/* * (it can be a bit of a pain in the lower-back to get them to work       * */
/* *  together)                                                             * */
/* *                                                                        * */
/* ************************************************************************** */

#ifdef WIN32                           /* only include needed stuff */
#ifndef WIN32_LEAN_AND_MEAN
#define WIN32_LEAN_AND_MEAN
#endif
#endif

#ifdef MNG_USE_DLL
#ifdef MNG_SKIP_ZLIB
#undef MNG_INCLUDE_ZLIB
#endif
#ifdef MNG_SKIP_LCMS
#undef MNG_INCLUDE_LCMS
#endif
#ifdef MNG_SKIP_IJG6B
#undef MNG_INCLUDE_IJG6B
#endif
#endif

#ifdef MNG_INCLUDE_ZLIB                /* zlib by Mark Adler & Jean-loup Gailly */
#include "zlib.h"
#endif

#ifdef MNG_INCLUDE_LCMS                /* little cms by Marti Maria Saguer */
#ifndef ZLIB_DLL
#undef FAR
#endif
#if defined(WIN32) || defined(linux)   /* different header locations */
#include "lcms.h"
#else
#include "lcms/lcms.h"
#endif
#endif /* MNG_INCLUDE_LCMS */

#ifdef MNG_INCLUDE_IJG6B               /* IJG's jpgsrc6b */
#include <stdio.h>
#ifdef MNG_USE_SETJMP
#include <setjmp.h>                    /* needed for error-recovery (blergh) */
#else
#ifdef WIN32
#define USE_WINDOWS_MESSAGEBOX         /* display a messagebox under Windoze */
#endif
#endif /* MNG_USE_SETJMP */
#ifdef FAR
#undef FAR                             /* possibly defined by zlib or lcms */
#endif
#include "jpeglib.h"                   /* all that for JPEG support  :-) */
#endif /* MNG_INCLUDE_IJG6B */

#if defined(MNG_INTERNAL_MEMMNGMT) || defined(MNG_INCLUDE_FILTERS)
#include <stdlib.h>                    /* "calloc" & "free" & "abs" */
#endif

#include <limits.h>                    /* get proper integer widths */

#ifdef WIN32
/* B003 */
#if defined __BORLANDC__
#include <mem.h>                       /* defines "memcpy" for BCB */
#else
#include <memory.h>                    /* defines "memcpy" for other win32 platforms */
#endif
/* B003 */
#ifdef MNG_CHECK_BAD_ICCP
#include <string.h>                    /* strncmp() */
#endif
#else
#ifdef BSD
#include <strings.h>                   /* defines "memcpy" for BSD (?) */
#else
#include <string.h>                    /* defines "memcpy" for all others (???) */
#endif
#endif

#if defined(MNG_FULL_CMS) || defined(MNG_GAMMA_ONLY)
#include <math.h>                      /* fp gamma-calculation */
#endif

/* ************************************************************************** */
/* *                                                                        * */
/* * Platform-dependant stuff                                               * */
/* *                                                                        * */
/* ************************************************************************** */

/* TODO: this may require some elaboration for other platforms;
   only works with BCB for now */

#ifndef MNG_DLL
#if defined(MNG_BUILD_DLL) || defined(MNG_USE_DLL)
#define MNG_DLL
#endif
#endif

#if defined(MNG_DLL) && defined(WIN32) /* setup DLL calling conventions */ 
#define MNG_DECL __stdcall
#if defined(MNG_BUILD_DLL)
#define MNG_EXT __declspec(dllexport)
#elif defined(MNG_USE_DLL)
#define MNG_EXT __declspec(dllimport)
#else
#define MNG_EXT
#endif
#ifdef MNG_STRICT_ANSI
#undef MNG_STRICT_ANSI                 /* can't do strict-ANSI with this DLL-stuff */
#endif
#else
#define MNG_DECL                       /* dummies for non-DLL */
#define MNG_EXT
#endif /* MNG_DLL && WIN32 */

#if defined(__BORLANDC__) && defined(MNG_STRICT_ANSI)
#pragma option -A                      /* now force ANSI-C from here on */
#endif

/* ************************************************************************** */

#if USHRT_MAX == 0xffffffffU                     /* get the proper 32-bit width !!! */
typedef unsigned short   mng_uint32;
typedef signed   short   mng_int32;
#elif UINT_MAX == 0xffffffffU
typedef unsigned int     mng_uint32;
typedef signed   int     mng_int32;