src/tiff/tif_win32.c

/* $Header$ */

/*
 * Copyright (c) 1988-1997 Sam Leffler
 * Copyright (c) 1991-1997 Silicon Graphics, Inc.
 *
 * Permission to use, copy, modify, distribute, and sell this software and
 * its documentation for any purpose is hereby granted without fee, provided
 * that (i) the above copyright notices and this permission notice appear in
 * all copies of the software and related documentation, and (ii) the names of
 * Sam Leffler and Silicon Graphics may not be used in any advertising or
 * publicity relating to the software without the specific, prior written
 * permission of Sam Leffler and Silicon Graphics.
 *
 * THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF ANY KIND,
 * EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
 * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
 *
 * IN NO EVENT SHALL SAM LEFFLER OR SILICON GRAPHICS BE LIABLE FOR
 * ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
 * OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
 * WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF
 * LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
 * OF THIS SOFTWARE.
 */

/*
 * TIFF Library Win32-specific Routines.  Adapted from tif_unix.c 4/5/95 by
 * Scott Wagner (wagner@itek.com), Itek Graphix, Rochester, NY USA
 */
#include <windows.h>
#include "tiffiop.h"

static tsize_t
_tiffReadProc(thandle_t fd, tdata_t buf, tsize_t size)
{
	DWORD dwSizeRead;
	if (!ReadFile(fd, buf, size, &dwSizeRead, NULL))
		return(0);
	return ((tsize_t) dwSizeRead);
}

static tsize_t
_tiffWriteProc(thandle_t fd, tdata_t buf, tsize_t size)
{
	DWORD dwSizeWritten;
	if (!WriteFile(fd, buf, size, &dwSizeWritten, NULL))
		return(0);
	return ((tsize_t) dwSizeWritten);
}

static toff_t
_tiffSeekProc(thandle_t fd, toff_t off, int whence)
{
	DWORD dwMoveMethod, dwMoveHigh;

        /* we use this as a special code, so avoid accepting it */
        if( off == 0xFFFFFFFF )
            return 0xFFFFFFFF;

	switch(whence)
	{
	case SEEK_SET:
		dwMoveMethod = FILE_BEGIN;
		break;
	case SEEK_CUR:
		dwMoveMethod = FILE_CURRENT;
		break;
	case SEEK_END:
		dwMoveMethod = FILE_END;
		break;
	default:
		dwMoveMethod = FILE_BEGIN;
		break;
	}
        dwMoveHigh = 0;
	return ((toff_t)SetFilePointer(fd, (LONG) off, (PLONG)&dwMoveHigh,
                                       dwMoveMethod));
}

static int
_tiffCloseProc(thandle_t fd)
{
	return (CloseHandle(fd) ? 0 : -1);
}

static toff_t
_tiffSizeProc(thandle_t fd)
{
	return ((toff_t)GetFileSize(fd, NULL));
}

#ifdef __BORLANDC__
#pragma argsused
#endif
static int
_tiffDummyMapProc(thandle_t fd, tdata_t* pbase, toff_t* psize)
{
	return (0);
}

/*
 * From "Hermann Josef Hill" <lhill@rhein-zeitung.de>:
 *
 * Windows uses both a handle and a pointer for file mapping,
 * but according to the SDK documentation and Richter's book
 * "Advanced Windows Programming" it is safe to free the handle
 * after obtaining the file mapping pointer
 *
 * This removes a nasty OS dependency and cures a problem
 * with Visual C++ 5.0
 */
static int
_tiffMapProc(thandle_t fd, tdata_t* pbase, toff_t* psize)
{
	toff_t size;
	HANDLE hMapFile;

	if ((size = _tiffSizeProc(fd)) == 0xFFFFFFFF)
		return (0);
	hMapFile = CreateFileMapping(fd, NULL, PAGE_READONLY, 0, size, NULL);
	if (hMapFile == NULL)
		return (0);
	*pbase = MapViewOfFile(hMapFile, FILE_MAP_READ, 0, 0, 0);
	CloseHandle(hMapFile);
	if (*pbase == NULL)
		return (0);
	*psize = size;
	return(1);
}

#ifdef __BORLANDC__
#pragma argsused
#endif
static void
_tiffDummyUnmapProc(thandle_t fd, tdata_t base, toff_t size)
{
}

static void
_tiffUnmapProc(thandle_t fd, tdata_t base, toff_t size)
{
	UnmapViewOfFile(base);
}

/*
 * Open a TIFF file descriptor for read/writing.
 * Note that TIFFFdOpen and TIFFOpen recognise the character 'u' in the mode
 * string, which forces the file to be opened unmapped.
 */
TIFF*
TIFFFdOpen(int ifd, const char* name, const char* mode)
{
	TIFF* tif;
	BOOL fSuppressMap = (mode[1] == 'u' || (mode[1]!=0 && mode[2] == 'u'));

	tif = TIFFClientOpen(name, mode,
		 (thandle_t)ifd,
	    _tiffReadProc, _tiffWriteProc,
	    _tiffSeekProc, _tiffCloseProc, _tiffSizeProc,
		 fSuppressMap ? _tiffDummyMapProc : _tiffMapProc,
		 fSuppressMap ? _tiffDummyUnmapProc : _tiffUnmapProc);
	if (tif)
		tif->tif_fd = ifd;
	return (tif);
}

/*
 * Open a TIFF file for read/writing.
 */
TIFF*
TIFFOpen(const char* name, const char* mode)
{
	static const char module[] = "TIFFOpen";
	thandle_t fd;
	int m;
	DWORD dwMode;

	m = _TIFFgetMode(mode, module);

	switch(m)
	{
	case O_RDONLY:
		dwMode = OPEN_EXISTING;
		break;
	case O_RDWR:
		dwMode = OPEN_ALWAYS;
		break;
	case O_RDWR|O_CREAT:
		dwMode = OPEN_ALWAYS;
		break;
	case O_RDWR|O_TRUNC:
		dwMode = CREATE_ALWAYS;
		break;
	case O_RDWR|O_CREAT|O_TRUNC:
		dwMode = CREATE_ALWAYS;
		break;
	default:
		return ((TIFF*)0);
	}
	fd = (thandle_t)CreateFile(name, (m == O_RDONLY) ? GENERIC_READ :
			(GENERIC_READ | GENERIC_WRITE), FILE_SHARE_READ, NULL, dwMode,
			(m == O_RDONLY) ? FILE_ATTRIBUTE_READONLY : FILE_ATTRIBUTE_NORMAL, NULL);
	if (fd == INVALID_HANDLE_VALUE) {
		TIFFError(module, "%s: Cannot open", name);
		return ((TIFF *)0);
	}
	return (TIFFFdOpen((int)fd, name, mode));
}

tdata_t
_TIFFmalloc(tsize_t s)
{
	return ((tdata_t)GlobalAlloc(GMEM_FIXED, s));
}

void
_TIFFfree(tdata_t p)
{
	GlobalFree(p);
	return;
}

tdata_t
_TIFFrealloc(tdata_t p, tsize_t s)
{
  void* pvTmp;
  tsize_t old=GlobalSize(p);
  if (old>=s)
    {
      if ((pvTmp = GlobalAlloc(GMEM_FIXED, s)) != NULL) {
	CopyMemory(pvTmp, p, s);
	GlobalFree(p);
      }
    }
  else
    {
      if ((pvTmp = GlobalAlloc(GMEM_FIXED, s)) != NULL) {
	CopyMemory(pvTmp, p, old);
	GlobalFree(p);
      }
    }
  return ((tdata_t)pvTmp);
}

void
_TIFFmemset(void* p, int v, tsize_t c)
{
	FillMemory(p, c, (BYTE)v);
}

void
_TIFFmemcpy(void* d, const tdata_t s, tsize_t c)
{
	CopyMemory(d, s, c);
}

int
_TIFFmemcmp(const tdata_t p1, const tdata_t p2, tsize_t c)
{
	register const BYTE *pb1 = (const BYTE *) p1;
	register const BYTE *pb2 = (const BYTE *) p2;
	register DWORD dwTmp = c;
	register int iTmp;
	for (iTmp = 0; dwTmp-- && !iTmp; iTmp = (int)*pb1++ - (int)*pb2++)
		;
	return (iTmp);
}

static void
Win32WarningHandler(const char* module, const char* fmt, va_list ap)
{
#ifndef TIF_PLATFORM_CONSOLE
	LPTSTR szTitle;
	LPTSTR szTmp;
	LPCTSTR szTitleText = "%s Warning";
	LPCTSTR szDefaultModule = "TIFFLIB";
	szTmp = (module == NULL) ? (LPTSTR)szDefaultModule : (LPTSTR)module;
	if ((szTitle = (LPTSTR)LocalAlloc(LMEM_FIXED, (lstrlen(szTmp) +
			lstrlen(szTitleText) + lstrlen(fmt) + 128)*sizeof(TCHAR))) == NULL)
		return;
	wsprintf(szTitle, szTitleText, szTmp);
	szTmp = szTitle + (lstrlen(szTitle)+2)*sizeof(TCHAR);
	wvsprintf(szTmp, fmt, ap);
	MessageBox(GetFocus(), szTmp, szTitle, MB_OK | MB_ICONINFORMATION);
	LocalFree(szTitle);
	return;
#else
	if (module != NULL)
		fprintf(stderr, "%s: ", module);
	fprintf(stderr, "Warning, ");
	vfprintf(stderr, fmt, ap);
	fprintf(stderr, ".\n");
#endif
}
TIFFErrorHandler _TIFFwarningHandler = Win32WarningHandler;

static void
Win32ErrorHandler(const char* module, const char* fmt, va_list ap)
{
#ifndef TIF_PLATFORM_CONSOLE
	LPTSTR szTitle;
	LPTSTR szTmp;
	LPCTSTR szTitleText = "%s Error";
	LPCTSTR szDefaultModule = "TIFFLIB";
	szTmp = (module == NULL) ? (LPTSTR)szDefaultModule : (LPTSTR)module;
	if ((szTitle = (LPTSTR)LocalAlloc(LMEM_FIXED, (lstrlen(szTmp) +
			lstrlen(szTitleText) + lstrlen(fmt) + 128)*sizeof(TCHAR))) == NULL)
		return;
	wsprintf(szTitle, szTitleText, szTmp);
	szTmp = szTitle + (lstrlen(szTitle)+2)*sizeof(TCHAR);
	wvsprintf(szTmp, fmt, ap);
	MessageBox(GetFocus(), szTmp, szTitle, MB_OK | MB_ICONEXCLAMATION);
	LocalFree(szTitle);
	return;
#else
	if (module != NULL)
		fprintf(stderr, "%s: ", module);
	vfprintf(stderr, fmt, ap);
	fprintf(stderr, ".\n");
#endif
}
TIFFErrorHandler _TIFFerrorHandler = Win32ErrorHandler;
Commit	Line	Data
	1	/* $Header$ */
	2
	3	/*
	4	* Copyright (c) 1988-1997 Sam Leffler
	5	* Copyright (c) 1991-1997 Silicon Graphics, Inc.
	6	*
	7	* Permission to use, copy, modify, distribute, and sell this software and
	8	* its documentation for any purpose is hereby granted without fee, provided
	9	* that (i) the above copyright notices and this permission notice appear in
	10	* all copies of the software and related documentation, and (ii) the names of
	11	* Sam Leffler and Silicon Graphics may not be used in any advertising or
	12	* publicity relating to the software without the specific, prior written
	13	* permission of Sam Leffler and Silicon Graphics.
	14	*
	15	* THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF ANY KIND,
	16	* EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
	17	* WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
	18	*
	19	* IN NO EVENT SHALL SAM LEFFLER OR SILICON GRAPHICS BE LIABLE FOR
	20	* ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
	21	* OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
	22	* WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF
	23	* LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
	24	* OF THIS SOFTWARE.
	25	*/
	26
	27	/*
	28	* TIFF Library Win32-specific Routines. Adapted from tif_unix.c 4/5/95 by
	29	* Scott Wagner (wagner@itek.com), Itek Graphix, Rochester, NY USA
	30	*/
	31	#include <windows.h>
	32	#include "tiffiop.h"
	33
	34	static tsize_t
	35	_tiffReadProc(thandle_t fd, tdata_t buf, tsize_t size)
	36	{
	37	DWORD dwSizeRead;
	38	if (!ReadFile(fd, buf, size, &dwSizeRead, NULL))
	39	return(0);
	40	return ((tsize_t) dwSizeRead);
	41	}
	42
	43	static tsize_t
	44	_tiffWriteProc(thandle_t fd, tdata_t buf, tsize_t size)
	45	{
	46	DWORD dwSizeWritten;
	47	if (!WriteFile(fd, buf, size, &dwSizeWritten, NULL))
	48	return(0);
	49	return ((tsize_t) dwSizeWritten);
	50	}
	51
	52	static toff_t
	53	_tiffSeekProc(thandle_t fd, toff_t off, int whence)
	54	{
	55	DWORD dwMoveMethod, dwMoveHigh;
	56
	57	/* we use this as a special code, so avoid accepting it */
	58	if( off == 0xFFFFFFFF )
	59	return 0xFFFFFFFF;
	60
	61	switch(whence)
	62	{
	63	case SEEK_SET:
	64	dwMoveMethod = FILE_BEGIN;
	65	break;
	66	case SEEK_CUR:
	67	dwMoveMethod = FILE_CURRENT;
	68	break;
	69	case SEEK_END:
	70	dwMoveMethod = FILE_END;
	71	break;
	72	default:
	73	dwMoveMethod = FILE_BEGIN;
	74	break;
	75	}
	76	dwMoveHigh = 0;
	77	return ((toff_t)SetFilePointer(fd, (LONG) off, (PLONG)&dwMoveHigh,
	78	dwMoveMethod));
	79	}
	80
	81	static int
	82	_tiffCloseProc(thandle_t fd)
	83	{
	84	return (CloseHandle(fd) ? 0 : -1);
	85	}
	86
	87	static toff_t
	88	_tiffSizeProc(thandle_t fd)
	89	{
	90	return ((toff_t)GetFileSize(fd, NULL));
	91	}
	92
	93	#ifdef __BORLANDC__
	94	#pragma argsused
	95	#endif
	96	static int
	97	_tiffDummyMapProc(thandle_t fd, tdata_t* pbase, toff_t* psize)
	98	{
	99	return (0);
	100	}
	101
	102	/*
	103	* From "Hermann Josef Hill" <lhill@rhein-zeitung.de>:
	104	*
	105	* Windows uses both a handle and a pointer for file mapping,
	106	* but according to the SDK documentation and Richter's book
	107	* "Advanced Windows Programming" it is safe to free the handle
	108	* after obtaining the file mapping pointer
	109	*
	110	* This removes a nasty OS dependency and cures a problem
	111	* with Visual C++ 5.0
	112	*/
	113	static int
	114	_tiffMapProc(thandle_t fd, tdata_t* pbase, toff_t* psize)
	115	{
	116	toff_t size;
	117	HANDLE hMapFile;
	118
	119	if ((size = _tiffSizeProc(fd)) == 0xFFFFFFFF)
	120	return (0);
	121	hMapFile = CreateFileMapping(fd, NULL, PAGE_READONLY, 0, size, NULL);
	122	if (hMapFile == NULL)
	123	return (0);
	124	*pbase = MapViewOfFile(hMapFile, FILE_MAP_READ, 0, 0, 0);
	125	CloseHandle(hMapFile);
	126	if (*pbase == NULL)
	127	return (0);
	128	*psize = size;
	129	return(1);
	130	}
	131
	132	#ifdef __BORLANDC__
	133	#pragma argsused
	134	#endif
	135	static void
	136	_tiffDummyUnmapProc(thandle_t fd, tdata_t base, toff_t size)
	137	{
	138	}
	139
	140	static void
	141	_tiffUnmapProc(thandle_t fd, tdata_t base, toff_t size)
	142	{
	143	UnmapViewOfFile(base);
	144	}
	145
	146	/*
	147	* Open a TIFF file descriptor for read/writing.
	148	* Note that TIFFFdOpen and TIFFOpen recognise the character 'u' in the mode
	149	* string, which forces the file to be opened unmapped.
	150	*/
	151	TIFF*
	152	TIFFFdOpen(int ifd, const char* name, const char* mode)
	153	{
	154	TIFF* tif;
	155	BOOL fSuppressMap = (mode[1] == 'u' \|\| (mode[1]!=0 && mode[2] == 'u'));
	156
	157	tif = TIFFClientOpen(name, mode,
	158	(thandle_t)ifd,
	159	_tiffReadProc, _tiffWriteProc,
	160	_tiffSeekProc, _tiffCloseProc, _tiffSizeProc,
	161	fSuppressMap ? _tiffDummyMapProc : _tiffMapProc,
	162	fSuppressMap ? _tiffDummyUnmapProc : _tiffUnmapProc);
	163	if (tif)
	164	tif->tif_fd = ifd;
	165	return (tif);
	166	}
	167
	168	/*
	169	* Open a TIFF file for read/writing.
	170	*/
	171	TIFF*
	172	TIFFOpen(const char* name, const char* mode)
	173	{
	174	static const char module[] = "TIFFOpen";
	175	thandle_t fd;
	176	int m;
	177	DWORD dwMode;
	178
	179	m = _TIFFgetMode(mode, module);
	180
	181	switch(m)
	182	{
	183	case O_RDONLY:
	184	dwMode = OPEN_EXISTING;
	185	break;
	186	case O_RDWR:
	187	dwMode = OPEN_ALWAYS;
	188	break;
	189	case O_RDWR\|O_CREAT:
	190	dwMode = OPEN_ALWAYS;
	191	break;
	192	case O_RDWR\|O_TRUNC:
	193	dwMode = CREATE_ALWAYS;
	194	break;
	195	case O_RDWR\|O_CREAT\|O_TRUNC:
	196	dwMode = CREATE_ALWAYS;
	197	break;
	198	default:
	199	return ((TIFF*)0);
	200	}
	201	fd = (thandle_t)CreateFile(name, (m == O_RDONLY) ? GENERIC_READ :
	202	(GENERIC_READ \| GENERIC_WRITE), FILE_SHARE_READ, NULL, dwMode,
	203	(m == O_RDONLY) ? FILE_ATTRIBUTE_READONLY : FILE_ATTRIBUTE_NORMAL, NULL);
	204	if (fd == INVALID_HANDLE_VALUE) {
	205	TIFFError(module, "%s: Cannot open", name);
	206	return ((TIFF *)0);
	207	}
	208	return (TIFFFdOpen((int)fd, name, mode));
	209	}
	210
	211	tdata_t
	212	_TIFFmalloc(tsize_t s)
	213	{
	214	return ((tdata_t)GlobalAlloc(GMEM_FIXED, s));
	215	}
	216
	217	void
	218	_TIFFfree(tdata_t p)
	219	{
	220	GlobalFree(p);
	221	return;
	222	}
	223
	224	tdata_t
	225	_TIFFrealloc(tdata_t p, tsize_t s)
	226	{
	227	void* pvTmp;
	228	tsize_t old=GlobalSize(p);
	229	if (old>=s)
	230	{
	231	if ((pvTmp = GlobalAlloc(GMEM_FIXED, s)) != NULL) {
	232	CopyMemory(pvTmp, p, s);
	233	GlobalFree(p);
	234	}
	235	}
	236	else
	237	{
	238	if ((pvTmp = GlobalAlloc(GMEM_FIXED, s)) != NULL) {
	239	CopyMemory(pvTmp, p, old);
	240	GlobalFree(p);
	241	}
	242	}
	243	return ((tdata_t)pvTmp);
	244	}
	245
	246	void
	247	_TIFFmemset(void* p, int v, tsize_t c)
	248	{
	249	FillMemory(p, c, (BYTE)v);
	250	}
	251
	252	void
	253	_TIFFmemcpy(void* d, const tdata_t s, tsize_t c)
	254	{
	255	CopyMemory(d, s, c);
	256	}
	257
	258	int
	259	_TIFFmemcmp(const tdata_t p1, const tdata_t p2, tsize_t c)
	260	{
	261	register const BYTE pb1 = (const BYTE ) p1;
	262	register const BYTE pb2 = (const BYTE ) p2;
	263	register DWORD dwTmp = c;
	264	register int iTmp;
	265	for (iTmp = 0; dwTmp-- && !iTmp; iTmp = (int)pb1++ - (int)pb2++)
	266	;
	267	return (iTmp);
	268	}
	269
	270	static void
	271	Win32WarningHandler(const char* module, const char* fmt, va_list ap)
	272	{
	273	#ifndef TIF_PLATFORM_CONSOLE
	274	LPTSTR szTitle;
	275	LPTSTR szTmp;
	276	LPCTSTR szTitleText = "%s Warning";
	277	LPCTSTR szDefaultModule = "TIFFLIB";
	278	szTmp = (module == NULL) ? (LPTSTR)szDefaultModule : (LPTSTR)module;
	279	if ((szTitle = (LPTSTR)LocalAlloc(LMEM_FIXED, (lstrlen(szTmp) +
	280	lstrlen(szTitleText) + lstrlen(fmt) + 128)*sizeof(TCHAR))) == NULL)
	281	return;
	282	wsprintf(szTitle, szTitleText, szTmp);
	283	szTmp = szTitle + (lstrlen(szTitle)+2)*sizeof(TCHAR);
	284	wvsprintf(szTmp, fmt, ap);
	285	MessageBox(GetFocus(), szTmp, szTitle, MB_OK \| MB_ICONINFORMATION);
	286	LocalFree(szTitle);
	287	return;
	288	#else
	289	if (module != NULL)
	290	fprintf(stderr, "%s: ", module);
	291	fprintf(stderr, "Warning, ");
	292	vfprintf(stderr, fmt, ap);
	293	fprintf(stderr, ".\n");
	294	#endif
	295	}
	296	TIFFErrorHandler _TIFFwarningHandler = Win32WarningHandler;
	297
	298	static void
	299	Win32ErrorHandler(const char* module, const char* fmt, va_list ap)
	300	{
	301	#ifndef TIF_PLATFORM_CONSOLE
	302	LPTSTR szTitle;
	303	LPTSTR szTmp;
	304	LPCTSTR szTitleText = "%s Error";
	305	LPCTSTR szDefaultModule = "TIFFLIB";
	306	szTmp = (module == NULL) ? (LPTSTR)szDefaultModule : (LPTSTR)module;
	307	if ((szTitle = (LPTSTR)LocalAlloc(LMEM_FIXED, (lstrlen(szTmp) +
	308	lstrlen(szTitleText) + lstrlen(fmt) + 128)*sizeof(TCHAR))) == NULL)
	309	return;
	310	wsprintf(szTitle, szTitleText, szTmp);
	311	szTmp = szTitle + (lstrlen(szTitle)+2)*sizeof(TCHAR);
	312	wvsprintf(szTmp, fmt, ap);
	313	MessageBox(GetFocus(), szTmp, szTitle, MB_OK \| MB_ICONEXCLAMATION);
	314	LocalFree(szTitle);
	315	return;
	316	#else
	317	if (module != NULL)
	318	fprintf(stderr, "%s: ", module);
	319	vfprintf(stderr, fmt, ap);
	320	fprintf(stderr, ".\n");
	321	#endif
	322	}
	323	TIFFErrorHandler _TIFFerrorHandler = Win32ErrorHandler;