140 lines
4.5 KiB
C
140 lines
4.5 KiB
C
/*
|
|
|
|
$Log: S:\jpeg32\inc\jinclude.h_v $
|
|
*
|
|
* Rev 1.1 10 May 1995 15:49:40 HEIDI
|
|
*
|
|
*
|
|
* added in original jpeg code
|
|
*
|
|
* Rev 1.0 02 May 1995 16:15:54 JAR
|
|
* Initial entry
|
|
*
|
|
* Rev 1.0 02 May 1995 15:57:18 JAR
|
|
* Initial entry
|
|
|
|
*/
|
|
/*
|
|
* jinclude.h
|
|
*
|
|
* Copyright (C) 1991, 1992, Thomas G. Lane.
|
|
* This file is part of the Independent JPEG Group's software.
|
|
* For conditions of distribution and use, see the accompanying README file.
|
|
*
|
|
* This is the central file that's #include'd by all the JPEG .c files.
|
|
* Its purpose is to provide a single place to fix any problems with
|
|
* including the wrong system include files.
|
|
* You can edit these declarations if you use a system with nonstandard
|
|
* system include files.
|
|
*/
|
|
|
|
#define ENV_MS_WINDOWS
|
|
|
|
/*
|
|
* Normally the __STDC__ macro can be taken as indicating that the system
|
|
* include files conform to the ANSI C standard. However, if you are running
|
|
* GCC on a machine with non-ANSI system include files, that is not the case.
|
|
* In that case change the following, or add -DNONANSI_INCLUDES to your CFLAGS.
|
|
*/
|
|
#ifdef __STDC__
|
|
#ifndef NONANSI_INCLUDES
|
|
#define INCLUDES_ARE_ANSI /* this is what's tested before including */
|
|
#endif
|
|
#endif
|
|
|
|
/*
|
|
* <stdio.h> is included to get the FILE typedef and NULL macro.
|
|
* Note that the core portable-JPEG files do not actually do any I/O
|
|
* using the stdio library; only the user interface, error handler,
|
|
* and file reading/writing modules invoke any stdio functions.
|
|
* (Well, we did cheat a bit in jmemmgr.c, but only if MEM_STATS is defined.)
|
|
*/
|
|
|
|
#include "windows.h"
|
|
#include <stdio.h>
|
|
|
|
|
|
/*
|
|
* We need the size_t typedef, which defines the parameter type of malloc().
|
|
* In an ANSI-conforming implementation this is provided by <stdio.h>,
|
|
* but on non-ANSI systems it's more likely to be in <sys/types.h>.
|
|
* On some not-quite-ANSI systems you may find it in <stddef.h>.
|
|
*/
|
|
|
|
#ifndef INCLUDES_ARE_ANSI /* shouldn't need this if ANSI C */
|
|
#include <sys/types.h>
|
|
#endif
|
|
#ifdef __SASC /* Amiga SAS C provides it in stddef.h. */
|
|
#include <stddef.h>
|
|
#endif
|
|
|
|
/*
|
|
* In ANSI C, and indeed any rational implementation, size_t is also the
|
|
* type returned by sizeof(). However, it seems there are some irrational
|
|
* implementations out there, in which sizeof() returns an int even though
|
|
* size_t is defined as long or unsigned long. To ensure consistent results
|
|
* we always use this SIZEOF() macro in place of using sizeof() directly.
|
|
*/
|
|
|
|
#undef SIZEOF /* in case you included X11/xmd.h */
|
|
#define SIZEOF(object) ((size_t) sizeof(object))
|
|
|
|
/*
|
|
* fread() and fwrite() are always invoked through these macros.
|
|
* On some systems you may need to twiddle the argument casts.
|
|
* CAUTION: argument order is different from underlying functions!
|
|
*/
|
|
|
|
#define JFREAD(file,buf,sizeofbuf) \
|
|
((size_t) fread((void *) (buf), (size_t) 1, (size_t) (sizeofbuf), (file)))
|
|
#define JFWRITE(file,buf,sizeofbuf) \
|
|
((size_t) fwrite((const void *) (buf), (size_t) 1, (size_t) (sizeofbuf), (file)))
|
|
|
|
/*
|
|
* We need the memcpy() and strcmp() functions, plus memory zeroing.
|
|
* ANSI and System V implementations declare these in <string.h>.
|
|
* BSD doesn't have the mem() functions, but it does have bcopy()/bzero().
|
|
* Some systems may declare memset and memcpy in <memory.h>.
|
|
*
|
|
* NOTE: we assume the size parameters to these functions are of type size_t.
|
|
* Change the casts in these macros if not!
|
|
*/
|
|
|
|
#ifdef INCLUDES_ARE_ANSI
|
|
//#include <string.h>
|
|
#include <memory.h>
|
|
#define MEMZERO(target,size) _fmemset((void FAR *)(target), 0, (size_t)(size))
|
|
#define MEMCOPY(dest,src,size) memcpy((void *)(dest), (const void *)(src), (size_t)(size))
|
|
#else /* not ANSI */
|
|
#ifdef BSD
|
|
#include <strings.h>
|
|
#define MEMZERO(target,size) bzero((void *)(target), (size_t)(size))
|
|
#define MEMCOPY(dest,src,size) bcopy((const void *)(src), (void *)(dest), (size_t)(size))
|
|
#else /* not BSD, assume Sys V or compatible */
|
|
#include <string.h>
|
|
#define MEMZERO(target,size) memset((void *)(target), 0, (size_t)(size))
|
|
#define MEMCOPY(dest,src,size) memcpy((void *)(dest), (const void *)(src), (size_t)(size))
|
|
#endif /* BSD */
|
|
#endif /* ANSI */
|
|
|
|
|
|
/* Now include the portable JPEG definition files. */
|
|
|
|
#include "jconfig.h"
|
|
|
|
#include "jpegdata.h"
|
|
|
|
/* Additional prototypes defined */
|
|
|
|
|
|
int get_row( compress_info_ptr cinfo, JSAMPARRAY pixel_row);
|
|
|
|
#define JPEG_CMP_SUCCESS 0
|
|
#define JPEG_CMP_ERROR 1
|
|
#define JPEG_DECMP_SUCCESS 0
|
|
#define JPEG_DECMP_ERROR 1
|
|
#define JPEG_CMP_READ_UNDERFLOW 2
|
|
#define JPEG_CMP_MEM_ERROR 3
|
|
#define JPEG_DECMP_MEM_ERROR 2
|
|
|