📄 libmng_types.h
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/* ************************************************************************** */
/* * For conditions of distribution and use, * */
/* * see copyright notice in libmng.h * */
/* ************************************************************************** */
/* * * */
/* * project : libmng * */
/* * file : libmng_types.h copyright (c) 2000-2004 G.Juyn * */
/* * version : 1.0.8 * */
/* * * */
/* * purpose : type specifications * */
/* * * */
/* * author : G.Juyn * */
/* * * */
/* * 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 * */
/* * * */
/* * 1.0.5 - 08/19/2002 - G.Juyn * */
/* * - B597134 - libmng pollutes the linker namespace * */
/* * * */
/* * 1.0.6 - 04/11/2003 - G.Juyn * */
/* * - B719420 - fixed several MNG_APP_CMS problems * */
/* * 1.0.6 - 06/15/2003 - R.Giles * */
/* * - lcms.h inclusion is generally no longer prefixed * */
/* * 1.0.6 - 07/07/2003 - G. R-P. * */
/* * - added png_imgtypes enumeration * */
/* * * */
/* * 1.0.7 - 03/10/2004 - G.R-P * */
/* * - added conditionals around openstream/closestream * */
/* * 1.0.8 - 04/11/2004 - G.Juyn * */
/* * - added data-push mechanisms for specialized decoders * */
/* * 1.0.8 - 08/01/2004 - G.Juyn * */
/* * - added support for 3+byte pixelsize for JPEG's * */
/* * * */
/* ************************************************************************** */
#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
#include "lcms.h"
#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
#define JPEG_INTERNAL_OPTIONS /* for RGB_PIXELSIZE */
#include "../LibJPEG/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
#if defined __BORLANDC__
#include <mem.h> /* defines "memcpy" for BCB */
#else
#include <memory.h> /* defines "memcpy" for other win32 platforms */
#endif
#include <string.h> /* "strncmp" + "strcmp" */
#else /* WIN32 */
#ifdef BSD
#include <strings.h> /* defines "memcpy", etc for BSD (?) */
#else
#include <string.h> /* defines "memcpy", etc for all others (???) */
#endif
#endif /* WIN32 */
#if defined(MNG_FULL_CMS) || defined(MNG_GAMMA_ONLY) || defined(MNG_APP_CMS)
#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
#define MNG_LOCAL static
#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;
#elif ULONG_MAX == 0xffffffffU
typedef unsigned long mng_uint32;
typedef signed long mng_int32;
#else
#error "Sorry, I can't find any 32-bit integers on this platform."
#endif
typedef signed short mng_int16; /* other basic integers */
typedef unsigned short mng_uint16;
typedef signed char mng_int8;
typedef unsigned char mng_uint8;
typedef double mng_float; /* basic float */
typedef size_t mng_size_t; /* size field for memory allocation */
typedef char * mng_pchar; /* string */
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