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;
	switch(whence)
	{
	case 0:
		dwMoveMethod = FILE_BEGIN;
		break;
	case 1:
		dwMoveMethod = FILE_CURRENT;
		break;
	case 2:
		dwMoveMethod = FILE_END;
		break;
	default:
		dwMoveMethod = FILE_BEGIN;
		break;
	}
	return ((toff_t)SetFilePointer(fd, off, NULL, 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));
}

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)) == (toff_t)-1)
		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);
}

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[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;
	if ((pvTmp = GlobalReAlloc(p, s, 0)) == NULL) {
		if ((pvTmp = GlobalAlloc(GMEM_FIXED, s)) != NULL) {
			CopyMemory(pvTmp, p, GlobalSize(p));
			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 = p1;
	register const BYTE *pb2 = 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;
	56	switch(whence)
	57	{
	58	case 0:
	59	dwMoveMethod = FILE_BEGIN;
	60	break;
	61	case 1:
	62	dwMoveMethod = FILE_CURRENT;
	63	break;
	64	case 2:
	65	dwMoveMethod = FILE_END;
	66	break;
	67	default:
	68	dwMoveMethod = FILE_BEGIN;
	69	break;
	70	}
	71	return ((toff_t)SetFilePointer(fd, off, NULL, dwMoveMethod));
	72	}
	73
	74	static int
	75	_tiffCloseProc(thandle_t fd)
	76	{
	77	return (CloseHandle(fd) ? 0 : -1);
	78	}
	79
	80	static toff_t
	81	_tiffSizeProc(thandle_t fd)
	82	{
	83	return ((toff_t)GetFileSize(fd, NULL));
	84	}
	85
	86	static int
	87	_tiffDummyMapProc(thandle_t fd, tdata_t* pbase, toff_t* psize)
	88	{
	89	return (0);
	90	}
	91
	92	/*
	93	* From "Hermann Josef Hill" <lhill@rhein-zeitung.de>:
	94	*
	95	* Windows uses both a handle and a pointer for file mapping,
	96	* but according to the SDK documentation and Richter's book
	97	* "Advanced Windows Programming" it is safe to free the handle
	98	* after obtaining the file mapping pointer
	99	*
	100	* This removes a nasty OS dependency and cures a problem
	101	* with Visual C++ 5.0
	102	*/
	103	static int
	104	_tiffMapProc(thandle_t fd, tdata_t* pbase, toff_t* psize)
	105	{
	106	toff_t size;
	107	HANDLE hMapFile;
	108
	109	if ((size = _tiffSizeProc(fd)) == (toff_t)-1)
	110	return (0);
	111	hMapFile = CreateFileMapping(fd, NULL, PAGE_READONLY, 0, size, NULL);
	112	if (hMapFile == NULL)
	113	return (0);
	114	*pbase = MapViewOfFile(hMapFile, FILE_MAP_READ, 0, 0, 0);
	115	CloseHandle(hMapFile);
	116	if (*pbase == NULL)
	117	return (0);
	118	*psize = size;
	119	return(1);
	120	}
	121
	122	static void
	123	_tiffDummyUnmapProc(thandle_t fd, tdata_t base, toff_t size)
	124	{
	125	}
	126
	127	static void
	128	_tiffUnmapProc(thandle_t fd, tdata_t base, toff_t size)
	129	{
	130	UnmapViewOfFile(base);
	131	}
	132
	133	/*
	134	* Open a TIFF file descriptor for read/writing.
	135	* Note that TIFFFdOpen and TIFFOpen recognise the character 'u' in the mode
	136	* string, which forces the file to be opened unmapped.
	137	*/
	138	TIFF*
	139	TIFFFdOpen(int ifd, const char* name, const char* mode)
	140	{
	141	TIFF* tif;
	142	BOOL fSuppressMap = (mode[1] == 'u' \|\| mode[2] == 'u');
	143
	144	tif = TIFFClientOpen(name, mode,
	145	(thandle_t)ifd,
	146	_tiffReadProc, _tiffWriteProc,
	147	_tiffSeekProc, _tiffCloseProc, _tiffSizeProc,
	148	fSuppressMap ? _tiffDummyMapProc : _tiffMapProc,
	149	fSuppressMap ? _tiffDummyUnmapProc : _tiffUnmapProc);
	150	if (tif)
	151	tif->tif_fd = ifd;
	152	return (tif);
	153	}
	154
	155	/*
	156	* Open a TIFF file for read/writing.
	157	*/
	158	TIFF*
	159	TIFFOpen(const char* name, const char* mode)
	160	{
	161	static const char module[] = "TIFFOpen";
	162	thandle_t fd;
	163	int m;
	164	DWORD dwMode;
	165
	166	m = _TIFFgetMode(mode, module);
	167
	168	switch(m)
	169	{
	170	case O_RDONLY:
	171	dwMode = OPEN_EXISTING;
	172	break;
	173	case O_RDWR:
	174	dwMode = OPEN_ALWAYS;
	175	break;
	176	case O_RDWR\|O_CREAT:
	177	dwMode = OPEN_ALWAYS;
	178	break;
	179	case O_RDWR\|O_TRUNC:
	180	dwMode = CREATE_ALWAYS;
	181	break;
	182	case O_RDWR\|O_CREAT\|O_TRUNC:
	183	dwMode = CREATE_ALWAYS;
	184	break;
	185	default:
	186	return ((TIFF*)0);
	187	}
	188	fd = (thandle_t)CreateFile(name, (m == O_RDONLY) ? GENERIC_READ :
	189	(GENERIC_READ \| GENERIC_WRITE), FILE_SHARE_READ, NULL, dwMode,
	190	(m == O_RDONLY) ? FILE_ATTRIBUTE_READONLY : FILE_ATTRIBUTE_NORMAL, NULL);
	191	if (fd == INVALID_HANDLE_VALUE) {
	192	TIFFError(module, "%s: Cannot open", name);
	193	return ((TIFF *)0);
	194	}
	195	return (TIFFFdOpen((int)fd, name, mode));
	196	}
	197
	198	tdata_t
	199	_TIFFmalloc(tsize_t s)
	200	{
	201	return ((tdata_t)GlobalAlloc(GMEM_FIXED, s));
	202	}
	203
	204	void
	205	_TIFFfree(tdata_t p)
	206	{
	207	GlobalFree(p);
	208	return;
	209	}
	210
	211	tdata_t
	212	_TIFFrealloc(tdata_t p, tsize_t s)
	213	{
	214	void* pvTmp;
	215	if ((pvTmp = GlobalReAlloc(p, s, 0)) == NULL) {
	216	if ((pvTmp = GlobalAlloc(GMEM_FIXED, s)) != NULL) {
	217	CopyMemory(pvTmp, p, GlobalSize(p));
	218	GlobalFree(p);
	219	}
	220	}
	221	return ((tdata_t)pvTmp);
	222	}
	223
	224	void
	225	_TIFFmemset(void* p, int v, tsize_t c)
	226	{
	227	FillMemory(p, c, (BYTE)v);
	228	}
	229
	230	void
	231	_TIFFmemcpy(void* d, const tdata_t s, tsize_t c)
	232	{
	233	CopyMemory(d, s, c);
	234	}
	235
	236	int
	237	_TIFFmemcmp(const tdata_t p1, const tdata_t p2, tsize_t c)
	238	{
	239	register const BYTE *pb1 = p1;
	240	register const BYTE *pb2 = p2;
	241	register DWORD dwTmp = c;
	242	register int iTmp;
	243	for (iTmp = 0; dwTmp-- && !iTmp; iTmp = (int)pb1++ - (int)pb2++)
	244	;
	245	return (iTmp);
	246	}
	247
	248	static void
	249	Win32WarningHandler(const char* module, const char* fmt, va_list ap)
	250	{
	251	#ifndef TIF_PLATFORM_CONSOLE
	252	LPTSTR szTitle;
	253	LPTSTR szTmp;
	254	LPCTSTR szTitleText = "%s Warning";
	255	LPCTSTR szDefaultModule = "TIFFLIB";
	256	szTmp = (module == NULL) ? (LPTSTR)szDefaultModule : (LPTSTR)module;
	257	if ((szTitle = (LPTSTR)LocalAlloc(LMEM_FIXED, (lstrlen(szTmp) +
	258	lstrlen(szTitleText) + lstrlen(fmt) + 128)*sizeof(TCHAR))) == NULL)
	259	return;
	260	wsprintf(szTitle, szTitleText, szTmp);
	261	szTmp = szTitle + (lstrlen(szTitle)+2)*sizeof(TCHAR);
	262	wvsprintf(szTmp, fmt, ap);
	263	MessageBox(GetFocus(), szTmp, szTitle, MB_OK \| MB_ICONINFORMATION);
	264	LocalFree(szTitle);
	265	return;
	266	#else
	267	if (module != NULL)
	268	fprintf(stderr, "%s: ", module);
	269	fprintf(stderr, "Warning, ");
	270	vfprintf(stderr, fmt, ap);
	271	fprintf(stderr, ".\n");
	272	#endif
	273	}
	274	TIFFErrorHandler _TIFFwarningHandler = Win32WarningHandler;
	275
	276	static void
	277	Win32ErrorHandler(const char* module, const char* fmt, va_list ap)
	278	{
	279	#ifndef TIF_PLATFORM_CONSOLE
	280	LPTSTR szTitle;
	281	LPTSTR szTmp;
	282	LPCTSTR szTitleText = "%s Error";
	283	LPCTSTR szDefaultModule = "TIFFLIB";
	284	szTmp = (module == NULL) ? (LPTSTR)szDefaultModule : (LPTSTR)module;
	285	if ((szTitle = (LPTSTR)LocalAlloc(LMEM_FIXED, (lstrlen(szTmp) +
	286	lstrlen(szTitleText) + lstrlen(fmt) + 128)*sizeof(TCHAR))) == NULL)
	287	return;
	288	wsprintf(szTitle, szTitleText, szTmp);
	289	szTmp = szTitle + (lstrlen(szTitle)+2)*sizeof(TCHAR);
	290	wvsprintf(szTmp, fmt, ap);
	291	MessageBox(GetFocus(), szTmp, szTitle, MB_OK \| MB_ICONEXCLAMATION);
	292	LocalFree(szTitle);
	293	return;
	294	#else
	295	if (module != NULL)
	296	fprintf(stderr, "%s: ", module);
	297	vfprintf(stderr, fmt, ap);
	298	fprintf(stderr, ".\n");
	299	#endif
	300	}
	301	TIFFErrorHandler _TIFFerrorHandler = Win32ErrorHandler;