1 /* $Id: tif_win32.c,v 1.39 2011-12-22 17:07:57 bfriesen Exp $ */
4 * Copyright (c) 1988-1997 Sam Leffler
5 * Copyright (c) 1991-1997 Silicon Graphics, Inc.
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.
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.
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
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
36 _tiffReadProc(thandle_t fd, void* buf, tmsize_t size)
38 /* tmsize_t is 64bit on 64bit systems, but the WinAPI ReadFile takes
39 * 32bit sizes, so we loop through the data in suitable 32bit sized
54 if (!ReadFile(fd,(LPVOID)ma,n,&o,NULL))
66 _tiffWriteProc(thandle_t fd, void* buf, tmsize_t size)
68 /* tmsize_t is 64bit on 64bit systems, but the WinAPI WriteFile takes
69 * 32bit sizes, so we loop through the data in suitable 32bit sized
84 if (!WriteFile(fd,(LPVOID)ma,n,&o,NULL))
96 _tiffSeekProc(thandle_t fd, uint64 off, int whence)
100 offli.QuadPart = off;
104 dwMoveMethod = FILE_BEGIN;
107 dwMoveMethod = FILE_CURRENT;
110 dwMoveMethod = FILE_END;
113 dwMoveMethod = FILE_BEGIN;
116 offli.LowPart=SetFilePointer(fd,offli.LowPart,&offli.HighPart,dwMoveMethod);
117 if ((offli.LowPart==INVALID_SET_FILE_POINTER)&&(GetLastError()!=NO_ERROR))
119 return(offli.QuadPart);
123 _tiffCloseProc(thandle_t fd)
125 return (CloseHandle(fd) ? 0 : -1);
129 _tiffSizeProc(thandle_t fd)
132 m.LowPart=GetFileSize(fd,&m.HighPart);
137 _tiffDummyMapProc(thandle_t fd, void** pbase, toff_t* psize)
146 * From "Hermann Josef Hill" <lhill@rhein-zeitung.de>:
148 * Windows uses both a handle and a pointer for file mapping,
149 * but according to the SDK documentation and Richter's book
150 * "Advanced Windows Programming" it is safe to free the handle
151 * after obtaining the file mapping pointer
153 * This removes a nasty OS dependency and cures a problem
154 * with Visual C++ 5.0
157 _tiffMapProc(thandle_t fd, void** pbase, toff_t* psize)
163 size = _tiffSizeProc(fd);
164 sizem = (tmsize_t)size;
165 if ((uint64)sizem!=size)
168 /* By passing in 0 for the maximum file size, it specifies that we
169 create a file mapping object for the full file size. */
170 hMapFile = CreateFileMapping(fd, NULL, PAGE_READONLY, 0, 0, NULL);
171 if (hMapFile == NULL)
173 *pbase = MapViewOfFile(hMapFile, FILE_MAP_READ, 0, 0, 0);
174 CloseHandle(hMapFile);
182 _tiffDummyUnmapProc(thandle_t fd, void* base, toff_t size)
190 _tiffUnmapProc(thandle_t fd, void* base, toff_t size)
194 UnmapViewOfFile(base);
198 * Open a TIFF file descriptor for read/writing.
199 * Note that TIFFFdOpen and TIFFOpen recognise the character 'u' in the mode
200 * string, which forces the file to be opened unmapped.
203 TIFFFdOpen(int ifd, const char* name, const char* mode)
209 for (m=0; mode[m]!=0; m++)
217 tif = TIFFClientOpen(name, mode, (thandle_t)ifd,
218 _tiffReadProc, _tiffWriteProc,
219 _tiffSeekProc, _tiffCloseProc, _tiffSizeProc,
220 fSuppressMap ? _tiffDummyMapProc : _tiffMapProc,
221 fSuppressMap ? _tiffDummyUnmapProc : _tiffUnmapProc);
230 * Open a TIFF file for read/writing.
233 TIFFOpen(const char* name, const char* mode)
235 static const char module[] = "TIFFOpen";
241 m = _TIFFgetMode(mode, module);
244 case O_RDONLY: dwMode = OPEN_EXISTING; break;
245 case O_RDWR: dwMode = OPEN_ALWAYS; break;
246 case O_RDWR|O_CREAT: dwMode = OPEN_ALWAYS; break;
247 case O_RDWR|O_TRUNC: dwMode = CREATE_ALWAYS; break;
248 case O_RDWR|O_CREAT|O_TRUNC: dwMode = CREATE_ALWAYS; break;
249 default: return ((TIFF*)0);
252 fd = (thandle_t)CreateFileA(name,
253 (m == O_RDONLY)?GENERIC_READ:(GENERIC_READ | GENERIC_WRITE),
254 FILE_SHARE_READ | FILE_SHARE_WRITE, NULL, dwMode,
255 (m == O_RDONLY)?FILE_ATTRIBUTE_READONLY:FILE_ATTRIBUTE_NORMAL,
257 if (fd == INVALID_HANDLE_VALUE) {
258 TIFFErrorExt(0, module, "%s: Cannot open", name);
262 tif = TIFFFdOpen((int)fd, name, mode);
269 * Open a TIFF file with a Unicode filename, for read/writing.
272 TIFFOpenW(const wchar_t* name, const char* mode)
274 static const char module[] = "TIFFOpenW";
282 m = _TIFFgetMode(mode, module);
285 case O_RDONLY: dwMode = OPEN_EXISTING; break;
286 case O_RDWR: dwMode = OPEN_ALWAYS; break;
287 case O_RDWR|O_CREAT: dwMode = OPEN_ALWAYS; break;
288 case O_RDWR|O_TRUNC: dwMode = CREATE_ALWAYS; break;
289 case O_RDWR|O_CREAT|O_TRUNC: dwMode = CREATE_ALWAYS; break;
290 default: return ((TIFF*)0);
293 fd = (thandle_t)CreateFileW(name,
294 (m == O_RDONLY)?GENERIC_READ:(GENERIC_READ|GENERIC_WRITE),
295 FILE_SHARE_READ | FILE_SHARE_WRITE, NULL, dwMode,
296 (m == O_RDONLY)?FILE_ATTRIBUTE_READONLY:FILE_ATTRIBUTE_NORMAL,
298 if (fd == INVALID_HANDLE_VALUE) {
299 TIFFErrorExt(0, module, "%S: Cannot open", name);
304 mbsize = WideCharToMultiByte(CP_ACP, 0, name, -1, NULL, 0, NULL, NULL);
306 mbname = (char *)_TIFFmalloc(mbsize);
308 TIFFErrorExt(0, module,
309 "Can't allocate space for filename conversion buffer");
313 WideCharToMultiByte(CP_ACP, 0, name, -1, mbname, mbsize,
317 tif = TIFFFdOpen((int)fd,
318 (mbname != NULL) ? mbname : "<unknown>", mode);
327 #endif /* ndef _WIN32_WCE */
330 _TIFFmalloc(tmsize_t s)
332 return (malloc((size_t) s));
342 _TIFFrealloc(void* p, tmsize_t s)
344 return (realloc(p, (size_t) s));
348 _TIFFmemset(void* p, int v, tmsize_t c)
350 memset(p, v, (size_t) c);
354 _TIFFmemcpy(void* d, const void* s, tmsize_t c)
356 memcpy(d, s, (size_t) c);
360 _TIFFmemcmp(const void* p1, const void* p2, tmsize_t c)
362 return (memcmp(p1, p2, (size_t) c));
367 #if (_MSC_VER < 1500)
368 # define vsnprintf _vsnprintf
372 Win32WarningHandler(const char* module, const char* fmt, va_list ap)
374 #ifndef TIF_PLATFORM_CONSOLE
377 LPCTSTR szTitleText = "%s Warning";
378 LPCTSTR szDefaultModule = "LIBTIFF";
379 LPCTSTR szTmpModule = (module == NULL) ? szDefaultModule : module;
380 SIZE_T nBufSize = (strlen(szTmpModule) +
381 strlen(szTitleText) + strlen(fmt) + 256)*sizeof(char);
383 if ((szTitle = (LPTSTR)LocalAlloc(LMEM_FIXED, nBufSize)) == NULL)
385 sprintf(szTitle, szTitleText, szTmpModule);
386 szTmp = szTitle + (strlen(szTitle)+2)*sizeof(char);
387 vsnprintf(szTmp, nBufSize-(strlen(szTitle)+2)*sizeof(char), fmt, ap);
388 MessageBoxA(GetFocus(), szTmp, szTitle, MB_OK | MB_ICONINFORMATION);
394 fprintf(stderr, "%s: ", module);
395 fprintf(stderr, "Warning, ");
396 vfprintf(stderr, fmt, ap);
397 fprintf(stderr, ".\n");
400 TIFFErrorHandler _TIFFwarningHandler = Win32WarningHandler;
403 Win32ErrorHandler(const char* module, const char* fmt, va_list ap)
405 #ifndef TIF_PLATFORM_CONSOLE
408 LPCTSTR szTitleText = "%s Error";
409 LPCTSTR szDefaultModule = "LIBTIFF";
410 LPCTSTR szTmpModule = (module == NULL) ? szDefaultModule : module;
411 SIZE_T nBufSize = (strlen(szTmpModule) +
412 strlen(szTitleText) + strlen(fmt) + 256)*sizeof(char);
414 if ((szTitle = (LPTSTR)LocalAlloc(LMEM_FIXED, nBufSize)) == NULL)
416 sprintf(szTitle, szTitleText, szTmpModule);
417 szTmp = szTitle + (strlen(szTitle)+2)*sizeof(char);
418 vsnprintf(szTmp, nBufSize-(strlen(szTitle)+2)*sizeof(char), fmt, ap);
419 MessageBoxA(GetFocus(), szTmp, szTitle, MB_OK | MB_ICONEXCLAMATION);
424 fprintf(stderr, "%s: ", module);
425 vfprintf(stderr, fmt, ap);
426 fprintf(stderr, ".\n");
429 TIFFErrorHandler _TIFFerrorHandler = Win32ErrorHandler;
431 #endif /* ndef _WIN32_WCE */
433 /* vim: set ts=8 sts=8 sw=8 noet: */