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b47c832e RR |
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 | { | |
00cb87b4 VZ |
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 | ||
b47c832e RR |
61 | switch(whence) |
62 | { | |
00cb87b4 | 63 | case SEEK_SET: |
b47c832e RR |
64 | dwMoveMethod = FILE_BEGIN; |
65 | break; | |
00cb87b4 | 66 | case SEEK_CUR: |
b47c832e RR |
67 | dwMoveMethod = FILE_CURRENT; |
68 | break; | |
00cb87b4 | 69 | case SEEK_END: |
b47c832e RR |
70 | dwMoveMethod = FILE_END; |
71 | break; | |
72 | default: | |
73 | dwMoveMethod = FILE_BEGIN; | |
74 | break; | |
75 | } | |
00cb87b4 VZ |
76 | dwMoveHigh = 0; |
77 | return ((toff_t)SetFilePointer(fd, (LONG) off, (PLONG)&dwMoveHigh, | |
78 | dwMoveMethod)); | |
b47c832e RR |
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 | ||
00cb87b4 VZ |
93 | #ifdef __BORLANDC__ |
94 | #pragma argsused | |
95 | #endif | |
b47c832e RR |
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 | ||
00cb87b4 | 119 | if ((size = _tiffSizeProc(fd)) == 0xFFFFFFFF) |
b47c832e RR |
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 | ||
00cb87b4 VZ |
132 | #ifdef __BORLANDC__ |
133 | #pragma argsused | |
134 | #endif | |
b47c832e RR |
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; | |
00cb87b4 | 155 | BOOL fSuppressMap = (mode[1] == 'u' || (mode[1]!=0 && mode[2] == 'u')); |
b47c832e RR |
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 | { | |
00cb87b4 VZ |
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); | |
b47c832e RR |
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 | { | |
00cb87b4 VZ |
261 | register const BYTE *pb1 = (const BYTE *) p1; |
262 | register const BYTE *pb2 = (const BYTE *) p2; | |
b47c832e RR |
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; |