| 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, dwMoveHigh; |
| 56 | |
| 57 | /* we use this as a special code, so avoid accepting it */ |
| 58 | if( off == 0xFFFFFFFF ) |
| 59 | return 0xFFFFFFFF; |
| 60 | |
| 61 | switch(whence) |
| 62 | { |
| 63 | case SEEK_SET: |
| 64 | dwMoveMethod = FILE_BEGIN; |
| 65 | break; |
| 66 | case SEEK_CUR: |
| 67 | dwMoveMethod = FILE_CURRENT; |
| 68 | break; |
| 69 | case SEEK_END: |
| 70 | dwMoveMethod = FILE_END; |
| 71 | break; |
| 72 | default: |
| 73 | dwMoveMethod = FILE_BEGIN; |
| 74 | break; |
| 75 | } |
| 76 | dwMoveHigh = 0; |
| 77 | return ((toff_t)SetFilePointer(fd, (LONG) off, (PLONG)&dwMoveHigh, |
| 78 | dwMoveMethod)); |
| 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 | |
| 93 | #ifdef __BORLANDC__ |
| 94 | #pragma argsused |
| 95 | #endif |
| 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 | |
| 119 | if ((size = _tiffSizeProc(fd)) == 0xFFFFFFFF) |
| 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 | |
| 132 | #ifdef __BORLANDC__ |
| 133 | #pragma argsused |
| 134 | #endif |
| 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; |
| 155 | BOOL fSuppressMap = (mode[1] == 'u' || (mode[1]!=0 && mode[2] == 'u')); |
| 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 | { |
| 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); |
| 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 | { |
| 261 | register const BYTE *pb1 = (const BYTE *) p1; |
| 262 | register const BYTE *pb2 = (const BYTE *) p2; |
| 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; |