1 /* Id */
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
32 #if defined ( _MSC_VER )
33 #pragma warning ( disable : 4115 )
34 #pragma warning(disable:4306) /* conversion from t1 to t2 of greater size */
35 #endif
36
37 #include "tiffiop.h"
38
39 static tsize_t
_tiffReadProc(thandle_t fd,tdata_t buf,tsize_t size)40 _tiffReadProc(thandle_t fd, tdata_t buf, tsize_t size)
41 {
42 DWORD dwSizeRead;
43 if (!ReadFile(fd, buf, size, &dwSizeRead, NULL))
44 return(0);
45 return ((tsize_t) dwSizeRead);
46 }
47
48 static tsize_t
_tiffWriteProc(thandle_t fd,tdata_t buf,tsize_t size)49 _tiffWriteProc(thandle_t fd, tdata_t buf, tsize_t size)
50 {
51 DWORD dwSizeWritten;
52 if (!WriteFile(fd, buf, size, &dwSizeWritten, NULL))
53 return(0);
54 return ((tsize_t) dwSizeWritten);
55 }
56
57 static toff_t
_tiffSeekProc(thandle_t fd,toff_t off,int whence)58 _tiffSeekProc(thandle_t fd, toff_t off, int whence)
59 {
60 DWORD dwMoveMethod, dwMoveHigh;
61
62 /* we use this as a special code, so avoid accepting it */
63 if( off == 0xFFFFFFFF )
64 return 0xFFFFFFFF;
65
66 switch(whence)
67 {
68 case SEEK_SET:
69 dwMoveMethod = FILE_BEGIN;
70 break;
71 case SEEK_CUR:
72 dwMoveMethod = FILE_CURRENT;
73 break;
74 case SEEK_END:
75 dwMoveMethod = FILE_END;
76 break;
77 default:
78 dwMoveMethod = FILE_BEGIN;
79 break;
80 }
81 dwMoveHigh = 0;
82 return ((toff_t)SetFilePointer(fd, (LONG) off, (PLONG)&dwMoveHigh,
83 dwMoveMethod));
84 }
85
86 static int
_tiffCloseProc(thandle_t fd)87 _tiffCloseProc(thandle_t fd)
88 {
89 return (CloseHandle(fd) ? 0 : -1);
90 }
91
92 static toff_t
_tiffSizeProc(thandle_t fd)93 _tiffSizeProc(thandle_t fd)
94 {
95 return ((toff_t)GetFileSize(fd, NULL));
96 }
97
98 #ifdef __BORLANDC__
99 #pragma argsused
100 #endif
101 static int
_tiffDummyMapProc(thandle_t fd,tdata_t * pbase,toff_t * psize)102 _tiffDummyMapProc(thandle_t fd, tdata_t* pbase, toff_t* psize)
103 {
104 return (0);
105 }
106
107 /*
108 * From "Hermann Josef Hill" <lhill@rhein-zeitung.de>:
109 *
110 * Windows uses both a handle and a pointer for file mapping,
111 * but according to the SDK documentation and Richter's book
112 * "Advanced Windows Programming" it is safe to free the handle
113 * after obtaining the file mapping pointer
114 *
115 * This removes a nasty OS dependency and cures a problem
116 * with Visual C++ 5.0
117 */
118 static int
_tiffMapProc(thandle_t fd,tdata_t * pbase,toff_t * psize)119 _tiffMapProc(thandle_t fd, tdata_t* pbase, toff_t* psize)
120 {
121 toff_t size;
122 HANDLE hMapFile;
123
124 if ((size = _tiffSizeProc(fd)) == 0xFFFFFFFF)
125 return (0);
126 hMapFile = CreateFileMapping(fd, NULL, PAGE_READONLY, 0, size, NULL);
127 if (hMapFile == NULL)
128 return (0);
129 *pbase = MapViewOfFile(hMapFile, FILE_MAP_READ, 0, 0, 0);
130 CloseHandle(hMapFile);
131 if (*pbase == NULL)
132 return (0);
133 *psize = size;
134 return(1);
135 }
136
137 #ifdef __BORLANDC__
138 #pragma argsused
139 #endif
140 static void
_tiffDummyUnmapProc(thandle_t fd,tdata_t base,toff_t size)141 _tiffDummyUnmapProc(thandle_t fd, tdata_t base, toff_t size)
142 {
143 }
144
145 static void
_tiffUnmapProc(thandle_t fd,tdata_t base,toff_t size)146 _tiffUnmapProc(thandle_t fd, tdata_t base, toff_t size)
147 {
148 UnmapViewOfFile(base);
149 }
150
151 /*
152 * Open a TIFF file descriptor for read/writing.
153 * Note that TIFFFdOpen and TIFFOpen recognise the character 'u' in the mode
154 * string, which forces the file to be opened unmapped.
155 */
156 TIFF*
TIFFFdOpen(int ifd,const char * name,const char * mode)157 TIFFFdOpen(int ifd, const char* name, const char* mode)
158 {
159 TIFF* tif;
160 BOOL fSuppressMap = (mode[1] == 'u' || (mode[1]!=0 && mode[2] == 'u'));
161
162 tif = TIFFClientOpen(name, mode, (thandle_t)ifd,
163 _tiffReadProc, _tiffWriteProc,
164 _tiffSeekProc, _tiffCloseProc, _tiffSizeProc,
165 fSuppressMap ? _tiffDummyMapProc : _tiffMapProc,
166 fSuppressMap ? _tiffDummyUnmapProc : _tiffUnmapProc);
167 if (tif)
168 tif->tif_fd = ifd;
169 return (tif);
170 }
171
172 /*
173 * Open a TIFF file for read/writing.
174 */
175 TIFF*
176 TEXPORT
TIFFOpen(const char * name,const char * mode)177 TIFFOpen(const char* name, const char* mode)
178 {
179 static const char module[] = "TIFFOpen";
180 thandle_t fd;
181 int m;
182 DWORD dwMode;
183 TIFF* tif;
184
185 m = _TIFFgetMode(mode, module);
186
187 switch(m)
188 {
189 case O_RDONLY:
190 dwMode = OPEN_EXISTING;
191 break;
192 case O_RDWR:
193 dwMode = OPEN_ALWAYS;
194 break;
195 case O_RDWR|O_CREAT:
196 dwMode = OPEN_ALWAYS;
197 break;
198 case O_RDWR|O_TRUNC:
199 dwMode = CREATE_ALWAYS;
200 break;
201 case O_RDWR|O_CREAT|O_TRUNC:
202 dwMode = CREATE_ALWAYS;
203 break;
204 default:
205 return ((TIFF*)0);
206 }
207 fd = (thandle_t)CreateFileA(name,
208 (m == O_RDONLY)?GENERIC_READ:(GENERIC_READ | GENERIC_WRITE),
209 FILE_SHARE_READ | FILE_SHARE_WRITE, NULL, dwMode,
210 (m == O_RDONLY)?FILE_ATTRIBUTE_READONLY:FILE_ATTRIBUTE_NORMAL,
211 NULL);
212 if (fd == INVALID_HANDLE_VALUE) {
213 TIFFErrorExt(0, module, "%s: Cannot open", name);
214 return ((TIFF *)0);
215 }
216
217 tif = TIFFFdOpen((int)fd, name, mode);
218 if(!tif)
219 CloseHandle(fd);
220 return tif;
221 }
222
223 /*
224 * Open a TIFF file with a Unicode filename, for read/writing.
225 */
226 TIFF*
TIFFOpenW(const wchar_t * name,const char * mode)227 TIFFOpenW(const wchar_t* name, const char* mode)
228 {
229 static const char module[] = "TIFFOpenW";
230 thandle_t fd;
231 int m;
232 DWORD dwMode;
233 int mbsize;
234 char *mbname;
235 TIFF *tif;
236
237 m = _TIFFgetMode(mode, module);
238
239 switch(m) {
240 case O_RDONLY: dwMode = OPEN_EXISTING; break;
241 case O_RDWR: dwMode = OPEN_ALWAYS; break;
242 case O_RDWR|O_CREAT: dwMode = OPEN_ALWAYS; break;
243 case O_RDWR|O_TRUNC: dwMode = CREATE_ALWAYS; break;
244 case O_RDWR|O_CREAT|O_TRUNC: dwMode = CREATE_ALWAYS; break;
245 default: return ((TIFF*)0);
246 }
247
248 fd = (thandle_t)CreateFileW(name,
249 (m == O_RDONLY)?GENERIC_READ:(GENERIC_READ|GENERIC_WRITE),
250 FILE_SHARE_READ, NULL, dwMode,
251 (m == O_RDONLY)?FILE_ATTRIBUTE_READONLY:FILE_ATTRIBUTE_NORMAL,
252 NULL);
253 if (fd == INVALID_HANDLE_VALUE) {
254 TIFFErrorExt(0, module, "%S: Cannot open", name);
255 return ((TIFF *)0);
256 }
257
258 mbname = NULL;
259 mbsize = WideCharToMultiByte(CP_ACP, 0, name, -1, NULL, 0, NULL, NULL);
260 if (mbsize > 0) {
261 mbname = (char *)_TIFFmalloc(mbsize);
262 if (!mbname) {
263 TIFFErrorExt(0, module,
264 "Can't allocate space for filename conversion buffer");
265 return ((TIFF*)0);
266 }
267
268 WideCharToMultiByte(CP_ACP, 0, name, -1, mbname, mbsize,
269 NULL, NULL);
270 }
271
272 tif = TIFFFdOpen((int)fd,
273 (mbname != NULL) ? mbname : "<unknown>", mode);
274 if(!tif)
275 CloseHandle(fd);
276
277 _TIFFfree(mbname);
278
279 return tif;
280 }
281
282 tdata_t
283 TEXPORT
_TIFFmalloc(tsize_t s)284 _TIFFmalloc(tsize_t s)
285 {
286 return ((tdata_t)GlobalAlloc(GMEM_FIXED, s));
287 }
288
289 void
290 TEXPORT
_TIFFfree(tdata_t p)291 _TIFFfree(tdata_t p)
292 {
293 GlobalFree(p);
294 return;
295 }
296
297 tdata_t
_TIFFrealloc(tdata_t p,tsize_t s)298 _TIFFrealloc(tdata_t p, tsize_t s)
299 {
300 void* pvTmp;
301 tsize_t old;
302
303 if(p == NULL)
304 return ((tdata_t)GlobalAlloc(GMEM_FIXED, s));
305
306 old = GlobalSize(p);
307
308 if (old>=s) {
309 if ((pvTmp = GlobalAlloc(GMEM_FIXED, s)) != NULL) {
310 CopyMemory(pvTmp, p, s);
311 GlobalFree(p);
312 }
313 } else {
314 if ((pvTmp = GlobalAlloc(GMEM_FIXED, s)) != NULL) {
315 CopyMemory(pvTmp, p, old);
316 GlobalFree(p);
317 }
318 }
319 return ((tdata_t)pvTmp);
320 }
321
322 void
_TIFFmemset(void * p,int v,tsize_t c)323 _TIFFmemset(void* p, int v, tsize_t c)
324 {
325 FillMemory(p, c, (BYTE)v);
326 }
327
328 void
_TIFFmemcpy(void * d,const tdata_t s,tsize_t c)329 _TIFFmemcpy(void* d, const tdata_t s, tsize_t c)
330 {
331 CopyMemory(d, s, c);
332 }
333
334 int
_TIFFmemcmp(const tdata_t p1,const tdata_t p2,tsize_t c)335 _TIFFmemcmp(const tdata_t p1, const tdata_t p2, tsize_t c)
336 {
337 register const BYTE *pb1 = (const BYTE *) p1;
338 register const BYTE *pb2 = (const BYTE *) p2;
339 register DWORD dwTmp = c;
340 register int iTmp;
341 for (iTmp = 0; dwTmp-- && !iTmp; iTmp = (int)*pb1++ - (int)*pb2++)
342 ;
343 return (iTmp);
344 }
345
346 static void
Win32WarningHandler(const char * module,const char * fmt,va_list ap)347 Win32WarningHandler(const char* module, const char* fmt, va_list ap)
348 {
349 #ifndef TIF_PLATFORM_CONSOLE
350 LPTSTR szTitle;
351 LPTSTR szTmp;
352 LPCTSTR szTitleText = "%s Warning";
353 LPCTSTR szDefaultModule = "LIBTIFF";
354 LPCTSTR szTmpModule = (module == NULL) ? szDefaultModule : module;
355 if ((szTitle = (LPTSTR)LocalAlloc(LMEM_FIXED, (strlen(szTmpModule) +
356 strlen(szTitleText) + strlen(fmt) + 128)*sizeof(char))) == NULL)
357 return;
358 sprintf(szTitle, szTitleText, szTmpModule);
359 szTmp = szTitle + (strlen(szTitle)+2)*sizeof(char);
360 vsprintf(szTmp, fmt, ap);
361 MessageBoxA(GetFocus(), szTmp, szTitle, MB_OK | MB_ICONINFORMATION);
362 LocalFree(szTitle);
363 return;
364 #else
365 if (module != NULL)
366 fprintf(stderr, "%s: ", module);
367 fprintf(stderr, "Warning, ");
368 vfprintf(stderr, fmt, ap);
369 fprintf(stderr, ".\n");
370 #endif
371 }
372 TIFFErrorHandler _TIFFwarningHandler = Win32WarningHandler;
373
374 static void
Win32ErrorHandler(const char * module,const char * fmt,va_list ap)375 Win32ErrorHandler(const char* module, const char* fmt, va_list ap)
376 {
377 #ifndef TIF_PLATFORM_CONSOLE
378 LPTSTR szTitle;
379 LPTSTR szTmp;
380 LPCTSTR szTitleText = "%s Error";
381 LPCTSTR szDefaultModule = "LIBTIFF";
382 LPCTSTR szTmpModule = (module == NULL) ? szDefaultModule : module;
383 if ((szTitle = (LPTSTR)LocalAlloc(LMEM_FIXED, (strlen(szTmpModule) +
384 strlen(szTitleText) + strlen(fmt) + 128)*sizeof(char))) == NULL)
385 return;
386 sprintf(szTitle, szTitleText, szTmpModule);
387 szTmp = szTitle + (strlen(szTitle)+2)*sizeof(char);
388 vsprintf(szTmp, fmt, ap);
389 MessageBoxA(GetFocus(), szTmp, szTitle, MB_OK | MB_ICONEXCLAMATION);
390 LocalFree(szTitle);
391 return;
392 #else
393 if (module != NULL)
394 fprintf(stderr, "%s: ", module);
395 vfprintf(stderr, fmt, ap);
396 fprintf(stderr, ".\n");
397 #endif
398 }
399 TIFFErrorHandler _TIFFerrorHandler = Win32ErrorHandler;
400
401 /* vim: set ts=8 sts=8 sw=8 noet: */
402