/src/FreeImage/Source/LibTIFF/tif_win32.c

https://bitbucket.org/cabalistic/ogredeps/ · C · 408 lines · 303 code · 47 blank · 58 comment · 49 complexity · cff635b7e2a09f84716dc1518d2e4b4f MD5 · raw file

  1. /* $Id: tif_win32.c,v 1.35 2011/04/10 17:14:09 drolon Exp $ */
  2. /*
  3. * Copyright (c) 1988-1997 Sam Leffler
  4. * Copyright (c) 1991-1997 Silicon Graphics, Inc.
  5. *
  6. * Permission to use, copy, modify, distribute, and sell this software and
  7. * its documentation for any purpose is hereby granted without fee, provided
  8. * that (i) the above copyright notices and this permission notice appear in
  9. * all copies of the software and related documentation, and (ii) the names of
  10. * Sam Leffler and Silicon Graphics may not be used in any advertising or
  11. * publicity relating to the software without the specific, prior written
  12. * permission of Sam Leffler and Silicon Graphics.
  13. *
  14. * THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF ANY KIND,
  15. * EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
  16. * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
  17. *
  18. * IN NO EVENT SHALL SAM LEFFLER OR SILICON GRAPHICS BE LIABLE FOR
  19. * ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
  20. * OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
  21. * WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF
  22. * LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
  23. * OF THIS SOFTWARE.
  24. */
  25. /*
  26. * TIFF Library Win32-specific Routines. Adapted from tif_unix.c 4/5/95 by
  27. * Scott Wagner (wagner@itek.com), Itek Graphix, Rochester, NY USA
  28. */
  29. #include "tiffiop.h"
  30. #include <windows.h>
  31. static tsize_t
  32. _tiffReadProc(thandle_t fd, tdata_t buf, tsize_t size)
  33. {
  34. DWORD dwSizeRead;
  35. if (!ReadFile(fd, buf, size, &dwSizeRead, NULL))
  36. return(0);
  37. return ((tsize_t) dwSizeRead);
  38. }
  39. static tsize_t
  40. _tiffWriteProc(thandle_t fd, tdata_t buf, tsize_t size)
  41. {
  42. DWORD dwSizeWritten;
  43. if (!WriteFile(fd, buf, size, &dwSizeWritten, NULL))
  44. return(0);
  45. return ((tsize_t) dwSizeWritten);
  46. }
  47. static toff_t
  48. _tiffSeekProc(thandle_t fd, toff_t off, int whence)
  49. {
  50. ULARGE_INTEGER li;
  51. DWORD dwMoveMethod;
  52. li.QuadPart = off;
  53. switch(whence)
  54. {
  55. case SEEK_SET:
  56. dwMoveMethod = FILE_BEGIN;
  57. break;
  58. case SEEK_CUR:
  59. dwMoveMethod = FILE_CURRENT;
  60. break;
  61. case SEEK_END:
  62. dwMoveMethod = FILE_END;
  63. break;
  64. default:
  65. dwMoveMethod = FILE_BEGIN;
  66. break;
  67. }
  68. return ((toff_t)SetFilePointer(fd, (LONG) li.LowPart,
  69. (PLONG)&li.HighPart, dwMoveMethod));
  70. }
  71. static int
  72. _tiffCloseProc(thandle_t fd)
  73. {
  74. return (CloseHandle(fd) ? 0 : -1);
  75. }
  76. static toff_t
  77. _tiffSizeProc(thandle_t fd)
  78. {
  79. return ((toff_t)GetFileSize(fd, NULL));
  80. }
  81. static int
  82. _tiffDummyMapProc(thandle_t fd, tdata_t* pbase, toff_t* psize)
  83. {
  84. (void) fd;
  85. (void) pbase;
  86. (void) psize;
  87. return (0);
  88. }
  89. /*
  90. * From "Hermann Josef Hill" <lhill@rhein-zeitung.de>:
  91. *
  92. * Windows uses both a handle and a pointer for file mapping,
  93. * but according to the SDK documentation and Richter's book
  94. * "Advanced Windows Programming" it is safe to free the handle
  95. * after obtaining the file mapping pointer
  96. *
  97. * This removes a nasty OS dependency and cures a problem
  98. * with Visual C++ 5.0
  99. */
  100. static int
  101. _tiffMapProc(thandle_t fd, tdata_t* pbase, toff_t* psize)
  102. {
  103. toff_t size;
  104. HANDLE hMapFile;
  105. if ((size = _tiffSizeProc(fd)) == 0xFFFFFFFF)
  106. return (0);
  107. hMapFile = CreateFileMapping(fd, NULL, PAGE_READONLY, 0, size, NULL);
  108. if (hMapFile == NULL)
  109. return (0);
  110. *pbase = MapViewOfFile(hMapFile, FILE_MAP_READ, 0, 0, 0);
  111. CloseHandle(hMapFile);
  112. if (*pbase == NULL)
  113. return (0);
  114. *psize = size;
  115. return(1);
  116. }
  117. static void
  118. _tiffDummyUnmapProc(thandle_t fd, tdata_t base, toff_t size)
  119. {
  120. (void) fd;
  121. (void) base;
  122. (void) size;
  123. }
  124. static void
  125. _tiffUnmapProc(thandle_t fd, tdata_t base, toff_t size)
  126. {
  127. UnmapViewOfFile(base);
  128. }
  129. /*
  130. * Open a TIFF file descriptor for read/writing.
  131. * Note that TIFFFdOpen and TIFFOpen recognise the character 'u' in the mode
  132. * string, which forces the file to be opened unmapped.
  133. */
  134. TIFF*
  135. TIFFFdOpen(int ifd, const char* name, const char* mode)
  136. {
  137. TIFF* tif;
  138. BOOL fSuppressMap = (mode[1] == 'u' || (mode[1]!=0 && mode[2] == 'u'));
  139. tif = TIFFClientOpen(name, mode, (thandle_t)ifd,
  140. _tiffReadProc, _tiffWriteProc,
  141. _tiffSeekProc, _tiffCloseProc, _tiffSizeProc,
  142. fSuppressMap ? _tiffDummyMapProc : _tiffMapProc,
  143. fSuppressMap ? _tiffDummyUnmapProc : _tiffUnmapProc);
  144. if (tif)
  145. tif->tif_fd = ifd;
  146. return (tif);
  147. }
  148. #ifndef _WIN32_WCE
  149. /*
  150. * Open a TIFF file for read/writing.
  151. */
  152. TIFF*
  153. TIFFOpen(const char* name, const char* mode)
  154. {
  155. static const char module[] = "TIFFOpen";
  156. thandle_t fd;
  157. int m;
  158. DWORD dwMode;
  159. TIFF* tif;
  160. m = _TIFFgetMode(mode, module);
  161. switch(m)
  162. {
  163. case O_RDONLY:
  164. dwMode = OPEN_EXISTING;
  165. break;
  166. case O_RDWR:
  167. dwMode = OPEN_ALWAYS;
  168. break;
  169. case O_RDWR|O_CREAT:
  170. dwMode = OPEN_ALWAYS;
  171. break;
  172. case O_RDWR|O_TRUNC:
  173. dwMode = CREATE_ALWAYS;
  174. break;
  175. case O_RDWR|O_CREAT|O_TRUNC:
  176. dwMode = CREATE_ALWAYS;
  177. break;
  178. default:
  179. return ((TIFF*)0);
  180. }
  181. fd = (thandle_t)CreateFileA(name,
  182. (m == O_RDONLY)?GENERIC_READ:(GENERIC_READ | GENERIC_WRITE),
  183. FILE_SHARE_READ | FILE_SHARE_WRITE, NULL, dwMode,
  184. (m == O_RDONLY)?FILE_ATTRIBUTE_READONLY:FILE_ATTRIBUTE_NORMAL,
  185. NULL);
  186. if (fd == INVALID_HANDLE_VALUE) {
  187. TIFFErrorExt(0, module, "%s: Cannot open", name);
  188. return ((TIFF *)0);
  189. }
  190. tif = TIFFFdOpen((int)fd, name, mode);
  191. if(!tif)
  192. CloseHandle(fd);
  193. return tif;
  194. }
  195. /*
  196. * Open a TIFF file with a Unicode filename, for read/writing.
  197. */
  198. TIFF*
  199. TIFFOpenW(const wchar_t* name, const char* mode)
  200. {
  201. static const char module[] = "TIFFOpenW";
  202. thandle_t fd;
  203. int m;
  204. DWORD dwMode;
  205. int mbsize;
  206. char *mbname;
  207. TIFF *tif;
  208. m = _TIFFgetMode(mode, module);
  209. switch(m) {
  210. case O_RDONLY: dwMode = OPEN_EXISTING; break;
  211. case O_RDWR: dwMode = OPEN_ALWAYS; break;
  212. case O_RDWR|O_CREAT: dwMode = OPEN_ALWAYS; break;
  213. case O_RDWR|O_TRUNC: dwMode = CREATE_ALWAYS; break;
  214. case O_RDWR|O_CREAT|O_TRUNC: dwMode = CREATE_ALWAYS; break;
  215. default: return ((TIFF*)0);
  216. }
  217. fd = (thandle_t)CreateFileW(name,
  218. (m == O_RDONLY)?GENERIC_READ:(GENERIC_READ|GENERIC_WRITE),
  219. FILE_SHARE_READ, NULL, dwMode,
  220. (m == O_RDONLY)?FILE_ATTRIBUTE_READONLY:FILE_ATTRIBUTE_NORMAL,
  221. NULL);
  222. if (fd == INVALID_HANDLE_VALUE) {
  223. TIFFErrorExt(0, module, "%S: Cannot open", name);
  224. return ((TIFF *)0);
  225. }
  226. mbname = NULL;
  227. mbsize = WideCharToMultiByte(CP_ACP, 0, name, -1, NULL, 0, NULL, NULL);
  228. if (mbsize > 0) {
  229. mbname = (char *)_TIFFmalloc(mbsize);
  230. if (!mbname) {
  231. TIFFErrorExt(0, module,
  232. "Can't allocate space for filename conversion buffer");
  233. return ((TIFF*)0);
  234. }
  235. WideCharToMultiByte(CP_ACP, 0, name, -1, mbname, mbsize,
  236. NULL, NULL);
  237. }
  238. tif = TIFFFdOpen((int)fd,
  239. (mbname != NULL) ? mbname : "<unknown>", mode);
  240. if(!tif)
  241. CloseHandle(fd);
  242. _TIFFfree(mbname);
  243. return tif;
  244. }
  245. #endif /* ndef _WIN32_WCE */
  246. tdata_t
  247. _TIFFmalloc(tsize_t s)
  248. {
  249. return ((tdata_t)GlobalAlloc(GMEM_FIXED, s));
  250. }
  251. void
  252. _TIFFfree(tdata_t p)
  253. {
  254. GlobalFree(p);
  255. return;
  256. }
  257. tdata_t
  258. _TIFFrealloc(tdata_t p, tsize_t s)
  259. {
  260. void* pvTmp;
  261. tsize_t old;
  262. if(p == NULL)
  263. return ((tdata_t)GlobalAlloc(GMEM_FIXED, s));
  264. old = GlobalSize(p);
  265. if (old>=s) {
  266. if ((pvTmp = GlobalAlloc(GMEM_FIXED, s)) != NULL) {
  267. CopyMemory(pvTmp, p, s);
  268. GlobalFree(p);
  269. }
  270. } else {
  271. if ((pvTmp = GlobalAlloc(GMEM_FIXED, s)) != NULL) {
  272. CopyMemory(pvTmp, p, old);
  273. GlobalFree(p);
  274. }
  275. }
  276. return ((tdata_t)pvTmp);
  277. }
  278. void
  279. _TIFFmemset(void* p, int v, tsize_t c)
  280. {
  281. FillMemory(p, c, (BYTE)v);
  282. }
  283. void
  284. _TIFFmemcpy(void* d, const tdata_t s, tsize_t c)
  285. {
  286. CopyMemory(d, s, c);
  287. }
  288. int
  289. _TIFFmemcmp(const tdata_t p1, const tdata_t p2, tsize_t c)
  290. {
  291. register const BYTE *pb1 = (const BYTE *) p1;
  292. register const BYTE *pb2 = (const BYTE *) p2;
  293. register DWORD dwTmp = c;
  294. register int iTmp;
  295. for (iTmp = 0; dwTmp-- && !iTmp; iTmp = (int)*pb1++ - (int)*pb2++)
  296. ;
  297. return (iTmp);
  298. }
  299. #ifndef _WIN32_WCE
  300. static void
  301. Win32WarningHandler(const char* module, const char* fmt, va_list ap)
  302. {
  303. #ifndef TIF_PLATFORM_CONSOLE
  304. LPTSTR szTitle;
  305. LPTSTR szTmp;
  306. LPCTSTR szTitleText = "%s Warning";
  307. LPCTSTR szDefaultModule = "LIBTIFF";
  308. LPCTSTR szTmpModule = (module == NULL) ? szDefaultModule : module;
  309. if ((szTitle = (LPTSTR)LocalAlloc(LMEM_FIXED, (strlen(szTmpModule) +
  310. strlen(szTitleText) + strlen(fmt) + 128)*sizeof(char))) == NULL)
  311. return;
  312. sprintf(szTitle, szTitleText, szTmpModule);
  313. szTmp = szTitle + (strlen(szTitle)+2)*sizeof(char);
  314. vsprintf(szTmp, fmt, ap);
  315. MessageBoxA(GetFocus(), szTmp, szTitle, MB_OK | MB_ICONINFORMATION);
  316. LocalFree(szTitle);
  317. return;
  318. #else
  319. if (module != NULL)
  320. fprintf(stderr, "%s: ", module);
  321. fprintf(stderr, "Warning, ");
  322. vfprintf(stderr, fmt, ap);
  323. fprintf(stderr, ".\n");
  324. #endif
  325. }
  326. TIFFErrorHandler _TIFFwarningHandler = Win32WarningHandler;
  327. static void
  328. Win32ErrorHandler(const char* module, const char* fmt, va_list ap)
  329. {
  330. #ifndef TIF_PLATFORM_CONSOLE
  331. LPTSTR szTitle;
  332. LPTSTR szTmp;
  333. LPCTSTR szTitleText = "%s Error";
  334. LPCTSTR szDefaultModule = "LIBTIFF";
  335. LPCTSTR szTmpModule = (module == NULL) ? szDefaultModule : module;
  336. if ((szTitle = (LPTSTR)LocalAlloc(LMEM_FIXED, (strlen(szTmpModule) +
  337. strlen(szTitleText) + strlen(fmt) + 128)*sizeof(char))) == NULL)
  338. return;
  339. sprintf(szTitle, szTitleText, szTmpModule);
  340. szTmp = szTitle + (strlen(szTitle)+2)*sizeof(char);
  341. vsprintf(szTmp, fmt, ap);
  342. MessageBoxA(GetFocus(), szTmp, szTitle, MB_OK | MB_ICONEXCLAMATION);
  343. LocalFree(szTitle);
  344. return;
  345. #else
  346. if (module != NULL)
  347. fprintf(stderr, "%s: ", module);
  348. vfprintf(stderr, fmt, ap);
  349. fprintf(stderr, ".\n");
  350. #endif
  351. }
  352. TIFFErrorHandler _TIFFerrorHandler = Win32ErrorHandler;
  353. #endif /* ndef _WIN32_WCE */
  354. /* vim: set ts=8 sts=8 sw=8 noet: */
  355. /*
  356. * Local Variables:
  357. * mode: c
  358. * c-basic-offset: 8
  359. * fill-column: 78
  360. * End:
  361. */