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1 | /* $Header$ */ | |
2 | ||
3 | /* | |
4 | * Copyright (c) 1988-1997 Sam Leffler | |
5 | * Copyright (c) 1991-1997 Silicon Graphics, Inc. | |
6 | * | |
7 | * modifed for use with OS/2 by David Webster | |
8 | * | |
9 | * Permission to use, copy, modify, distribute, and sell this software and | |
10 | * its documentation for any purpose is hereby granted without fee, provided | |
11 | * that (i) the above copyright notices and this permission notice appear in | |
12 | * all copies of the software and related documentation, and (ii) the names of | |
13 | * Sam Leffler and Silicon Graphics may not be used in any advertising or | |
14 | * publicity relating to the software without the specific, prior written | |
15 | * permission of Sam Leffler and Silicon Graphics. | |
16 | * | |
17 | * THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF ANY KIND, | |
18 | * EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY | |
19 | * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. | |
20 | * | |
21 | * IN NO EVENT SHALL SAM LEFFLER OR SILICON GRAPHICS BE LIABLE FOR | |
22 | * ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND, | |
23 | * OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, | |
24 | * WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF | |
25 | * LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE | |
26 | * OF THIS SOFTWARE. | |
27 | */ | |
28 | ||
29 | /* | |
30 | * TIFF Library OS/2-specific Routines. Adapted from tif_win32.c 2/16/00 by | |
31 | * David Webster (dwebster@bhmi.com), Baldwin, Hackett, and Meeks, Inc., Omaha, NE USA | |
32 | */ | |
33 | #define INCL_PM | |
34 | #define INCL_BASE | |
35 | #include <os2.h> | |
36 | #include <stdio.h> | |
37 | #include <stdlib.h> | |
38 | #include "tiffiop.h" | |
39 | ||
40 | /* Some windows datatypes */ | |
41 | ||
42 | typedef ULONG DWORD; | |
43 | typedef ULONG HANDLE; | |
44 | typedef PCHAR LPTSTR; | |
45 | typedef const PCHAR LPCTSTR; | |
46 | typedef CHAR TCHAR; | |
47 | #define GlobalAlloc(a,b) malloc(b) | |
48 | #define LocalAlloc(a,b) malloc(b) | |
49 | #define GlobalFree(b) free(b) | |
50 | #define LocalFree(b) free(b) | |
51 | #define GlobalReAlloc(p, s, t) realloc(p, s) | |
52 | #define CopyMemory(p, v, s) memcpy(p, v, s) | |
53 | #define FillMemory(p, c, s) memset(p, c, s) | |
54 | #define GlobalSize(p) sizeof(p) | |
55 | #define wsprintf sprintf | |
56 | #define wvsprintf vsprintf | |
57 | #define lstrlen strlen | |
58 | ||
59 | static tsize_t LINKAGEMODE | |
60 | _tiffReadProc(thandle_t fd, tdata_t buf, tsize_t size) | |
61 | { | |
62 | DWORD dwSizeRead; | |
63 | if (!DosRead((HFILE)fd, buf, size, &dwSizeRead)) | |
64 | return(0); | |
65 | return ((tsize_t) dwSizeRead); | |
66 | } | |
67 | ||
68 | static tsize_t LINKAGEMODE | |
69 | _tiffWriteProc(thandle_t fd, tdata_t buf, tsize_t size) | |
70 | { | |
71 | DWORD dwSizeWritten; | |
72 | if (!DosWrite((HFILE)fd, buf, size, &dwSizeWritten)) | |
73 | return(0); | |
74 | return ((tsize_t) dwSizeWritten); | |
75 | } | |
76 | ||
77 | static toff_t LINKAGEMODE | |
78 | _tiffSeekProc(thandle_t fd, toff_t off, int whence) | |
79 | { | |
80 | DWORD dwMoveMethod; | |
81 | ULONG ibActual; | |
82 | switch(whence) | |
83 | { | |
84 | case 0: | |
85 | dwMoveMethod = FILE_BEGIN; | |
86 | break; | |
87 | case 1: | |
88 | dwMoveMethod = FILE_CURRENT; | |
89 | break; | |
90 | case 2: | |
91 | dwMoveMethod = FILE_END; | |
92 | break; | |
93 | default: | |
94 | dwMoveMethod = FILE_BEGIN; | |
95 | break; | |
96 | } | |
97 | DosSetFilePtr((HFILE)fd, off, dwMoveMethod, &ibActual); | |
98 | return((toff_t)ibActual); | |
99 | } | |
100 | ||
101 | static int LINKAGEMODE | |
102 | _tiffCloseProc(thandle_t fd) | |
103 | { | |
104 | return (DosClose((HFILE)fd) ? 0 : -1); | |
105 | } | |
106 | ||
107 | static toff_t LINKAGEMODE | |
108 | _tiffSizeProc(thandle_t fd) | |
109 | { | |
110 | FILESTATUS3 vStatus; | |
111 | ||
112 | DosQueryFileInfo((HFILE)fd, FIL_STANDARD, &vStatus, sizeof(FILESTATUS3)); | |
113 | return (vStatus.cbFile); | |
114 | } | |
115 | ||
116 | static int LINKAGEMODE | |
117 | _tiffDummyMapProc(thandle_t fd, tdata_t* pbase, toff_t* psize) | |
118 | { | |
119 | return (0); | |
120 | } | |
121 | ||
122 | /* | |
123 | * From "Hermann Josef Hill" <lhill@rhein-zeitung.de>: | |
124 | * | |
125 | * Windows uses both a handle and a pointer for file mapping, | |
126 | * but according to the SDK documentation and Richter's book | |
127 | * "Advanced Windows Programming" it is safe to free the handle | |
128 | * after obtaining the file mapping pointer | |
129 | * | |
130 | * This removes a nasty OS dependency and cures a problem | |
131 | * with Visual C++ 5.0 | |
132 | */ | |
133 | static int LINKAGEMODE | |
134 | _tiffMapProc(thandle_t fd, tdata_t* pbase, toff_t* psize) | |
135 | { | |
136 | return(0); | |
137 | } | |
138 | ||
139 | static void LINKAGEMODE | |
140 | _tiffDummyUnmapProc(thandle_t fd, tdata_t base, toff_t size) | |
141 | { | |
142 | } | |
143 | ||
144 | static void LINKAGEMODE | |
145 | _tiffUnmapProc(thandle_t fd, tdata_t base, toff_t size) | |
146 | { | |
147 | } | |
148 | ||
149 | /* | |
150 | * Open a TIFF file descriptor for read/writing. | |
151 | * Note that TIFFFdOpen and TIFFOpen recognise the character 'u' in the mode | |
152 | * string, which forces the file to be opened unmapped. | |
153 | */ | |
154 | TIFF* | |
155 | TIFFFdOpen(int ifd, const char* name, const char* mode) | |
156 | { | |
157 | TIFF* tif; | |
158 | BOOL fSuppressMap = (mode[1] == 'u' || mode[2] == 'u'); | |
159 | ||
160 | tif = TIFFClientOpen(name, mode, | |
161 | (thandle_t)ifd, | |
162 | _tiffReadProc, _tiffWriteProc, | |
163 | _tiffSeekProc, _tiffCloseProc, _tiffSizeProc, | |
164 | fSuppressMap ? _tiffDummyMapProc : _tiffMapProc, | |
165 | fSuppressMap ? _tiffDummyUnmapProc : _tiffUnmapProc); | |
166 | if (tif) | |
167 | tif->tif_fd = ifd; | |
168 | return (tif); | |
169 | } | |
170 | ||
171 | /* | |
172 | * Open a TIFF file for read/writing. | |
173 | */ | |
174 | TIFF* | |
175 | TIFFOpen(const char* name, const char* mode) | |
176 | { | |
177 | static const char module[] = "TIFFOpen"; | |
178 | thandle_t fd; | |
179 | int m; | |
180 | DWORD dwOpenMode; | |
181 | DWORD dwOpenFlags; | |
182 | DWORD dwAction; | |
183 | APIRET ulrc; | |
184 | ||
185 | m = _TIFFgetMode(mode, module); | |
186 | ||
187 | switch(m) | |
188 | { | |
189 | case O_RDONLY: | |
190 | dwOpenMode = OPEN_ACCESS_READONLY; | |
191 | dwOpenFlags = OPEN_ACTION_FAIL_IF_NEW; | |
192 | break; | |
193 | case O_RDWR: | |
194 | dwOpenMode = OPEN_ACCESS_READWRITE; | |
195 | dwOpenFlags = OPEN_ACTION_FAIL_IF_NEW; | |
196 | break; | |
197 | case O_RDWR|O_CREAT: | |
198 | dwOpenMode = OPEN_ACCESS_READWRITE; | |
199 | dwOpenFlags = OPEN_ACTION_CREATE_IF_NEW; | |
200 | break; | |
201 | case O_RDWR|O_TRUNC: | |
202 | dwOpenMode = OPEN_ACCESS_READWRITE; | |
203 | dwOpenFlags = OPEN_ACTION_FAIL_IF_NEW | OPEN_ACTION_OPEN_IF_EXISTS; | |
204 | break; | |
205 | case O_RDWR|O_CREAT|O_TRUNC: | |
206 | dwOpenMode = OPEN_ACCESS_READWRITE; | |
207 | dwOpenFlags = OPEN_ACTION_CREATE_IF_NEW | OPEN_ACTION_REPLACE_IF_EXISTS; | |
208 | break; | |
209 | default: | |
210 | return ((TIFF*)0); | |
211 | } | |
212 | ulrc = DosOpen( name, (HFILE*)&fd, &dwAction, FILE_ARCHIVED|FILE_NORMAL | |
213 | ,1000L, dwOpenFlags, dwOpenMode, NULL | |
214 | ); | |
215 | if (fd != NO_ERROR) { | |
216 | TIFFError(module, "%s: Cannot open", name); | |
217 | return ((TIFF *)0); | |
218 | } | |
219 | return (TIFFFdOpen((int)fd, name, mode)); | |
220 | } | |
221 | ||
222 | tdata_t | |
223 | _TIFFmalloc(tsize_t s) | |
224 | { | |
225 | return ((tdata_t)GlobalAlloc(GMEM_FIXED, s)); | |
226 | } | |
227 | ||
228 | void | |
229 | _TIFFfree(tdata_t p) | |
230 | { | |
231 | GlobalFree(p); | |
232 | return; | |
233 | } | |
234 | ||
235 | tdata_t | |
236 | _TIFFrealloc(tdata_t p, tsize_t s) | |
237 | { | |
238 | void* pvTmp; | |
239 | if ((pvTmp = GlobalReAlloc(p, s, 0)) == NULL) { | |
240 | if ((pvTmp = GlobalAlloc(sGMEM_FIXED, s)) != NULL) { | |
241 | CopyMemory(pvTmp, p, GlobalSize(p)); | |
242 | GlobalFree(p); | |
243 | } | |
244 | } | |
245 | return ((tdata_t)pvTmp); | |
246 | } | |
247 | ||
248 | void | |
249 | _TIFFmemset(void* p, int v, tsize_t c) | |
250 | { | |
251 | FillMemory(p, c, (BYTE)v); | |
252 | } | |
253 | ||
254 | void | |
255 | _TIFFmemcpy(void* d, const tdata_t s, tsize_t c) | |
256 | { | |
257 | CopyMemory(d, s, c); | |
258 | } | |
259 | ||
260 | int | |
261 | _TIFFmemcmp(const tdata_t p1, const tdata_t p2, tsize_t c) | |
262 | { | |
263 | register const *pb1 = (const int*)p1; | |
264 | register const *pb2 = (const int*)p2; | |
265 | register DWORD dwTmp = c; | |
266 | register int iTmp; | |
267 | for (iTmp = 0; dwTmp-- && !iTmp; iTmp = (int)*pb1++ - (int)*pb2++) | |
268 | ; | |
269 | return (iTmp); | |
270 | } | |
271 | ||
272 | static void LINKAGEMODE | |
273 | Os2WarningHandler(const char* module, const char* fmt, va_list ap) | |
274 | { | |
275 | #ifndef TIF_PLATFORM_CONSOLE | |
276 | LPTSTR szTitle; | |
277 | LPTSTR szTmp; | |
278 | LPCTSTR szTitleText = "%s Warning"; | |
279 | LPCTSTR szDefaultModule = "TIFFLIB"; | |
280 | szTmp = (module == NULL) ? (LPTSTR)szDefaultModule : (LPTSTR)module; | |
281 | if ((szTitle = (LPTSTR)LocalAlloc(LMEM_FIXED, (lstrlen(szTmp) + | |
282 | lstrlen(szTitleText) + lstrlen(fmt) + 128)*sizeof(TCHAR))) == NULL) | |
283 | return; | |
284 | wsprintf(szTitle, szTitleText, szTmp); | |
285 | szTmp = szTitle + (lstrlen(szTitle)+2)*sizeof(TCHAR); | |
286 | wvsprintf(szTmp, fmt, ap); | |
287 | WinMessageBox( HWND_DESKTOP | |
288 | ,WinQueryFocus(HWND_DESKTOP) | |
289 | ,szTmp | |
290 | ,szTitle | |
291 | ,0 | |
292 | ,MB_OK | MB_INFORMATION | |
293 | ); | |
294 | LocalFree(szTitle); | |
295 | return; | |
296 | #else | |
297 | if (module != NULL) | |
298 | fprintf(stderr, "%s: ", module); | |
299 | fprintf(stderr, "Warning, "); | |
300 | vfprintf(stderr, fmt, ap); | |
301 | fprintf(stderr, ".\n"); | |
302 | #endif | |
303 | } | |
304 | TIFFErrorHandler _TIFFwarningHandler = Os2WarningHandler; | |
305 | ||
306 | static void LINKAGEMODE | |
307 | Os2ErrorHandler(const char* module, const char* fmt, va_list ap) | |
308 | { | |
309 | #ifndef TIF_PLATFORM_CONSOLE | |
310 | LPTSTR szTitle; | |
311 | LPTSTR szTmp; | |
312 | LPCTSTR szTitleText = "%s Error"; | |
313 | LPCTSTR szDefaultModule = "TIFFLIB"; | |
314 | szTmp = (module == NULL) ? (LPTSTR)szDefaultModule : (LPTSTR)module; | |
315 | if ((szTitle = (LPTSTR)LocalAlloc(LMEM_FIXED, (lstrlen(szTmp) + | |
316 | lstrlen(szTitleText) + lstrlen(fmt) + 128)*sizeof(TCHAR))) == NULL) | |
317 | return; | |
318 | wsprintf(szTitle, szTitleText, szTmp); | |
319 | szTmp = szTitle + (lstrlen(szTitle)+2)*sizeof(TCHAR); | |
320 | wvsprintf(szTmp, fmt, ap); | |
321 | WinMessageBox( HWND_DESKTOP | |
322 | ,WinQueryFocus(HWND_DESKTOP) | |
323 | ,szTmp | |
324 | ,szTitle | |
325 | ,0 | |
326 | ,MB_OK | MB_ICONEXCLAMATION | |
327 | ); | |
328 | LocalFree(szTitle); | |
329 | return; | |
330 | #else | |
331 | if (module != NULL) | |
332 | fprintf(stderr, "%s: ", module); | |
333 | vfprintf(stderr, fmt, ap); | |
334 | fprintf(stderr, ".\n"); | |
335 | #endif | |
336 | } | |
337 | TIFFErrorHandler _TIFFerrorHandler = Os2ErrorHandler; | |
338 |