reactos/dll/3rdparty/libtiff/tif_win32.c

   1 /* $Id: tif_win32.c,v 1.21.2.1 2010-06-08 18:50:43 bfriesen Exp $ */
   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 "tiffiop.h"
  32
  33 #include <windows.h>
  34
  35 static tsize_t
  36 _tiffReadProc(thandle_t fd, tdata_t buf, tsize_t size)
  37 {
  38         DWORD dwSizeRead;
  39         if (!ReadFile(fd, buf, size, &dwSizeRead, NULL))
  40                 return(0);
  41         return ((tsize_t) dwSizeRead);
  42 }
  43
  44 static tsize_t
  45 _tiffWriteProc(thandle_t fd, tdata_t buf, tsize_t size)
  46 {
  47         DWORD dwSizeWritten;
  48         if (!WriteFile(fd, buf, size, &dwSizeWritten, NULL))
  49                 return(0);
  50         return ((tsize_t) dwSizeWritten);
  51 }
  52
  53 static toff_t
  54 _tiffSeekProc(thandle_t fd, toff_t off, int whence)
  55 {
  56         ULARGE_INTEGER li;
  57         DWORD dwMoveMethod;
  58
  59         li.QuadPart = off;
  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         return ((toff_t)SetFilePointer(fd, (LONG) li.LowPart,
  77                                        (PLONG)&li.HighPart, dwMoveMethod));
  78 }
  79
  80 static int
  81 _tiffCloseProc(thandle_t fd)
  82 {
  83         return (CloseHandle(fd) ? 0 : -1);
  84 }
  85
  86 static toff_t
  87 _tiffSizeProc(thandle_t fd)
  88 {
  89         return ((toff_t)GetFileSize(fd, NULL));
  90 }
  91
  92 static int
  93 _tiffDummyMapProc(thandle_t fd, tdata_t* pbase, toff_t* psize)
  94 {
  95         (void) fd;
  96         (void) pbase;
  97         (void) psize;
  98         return (0);
  99 }
 100
 101 /*
 102  * From "Hermann Josef Hill" <lhill@rhein-zeitung.de>:
 103  *
 104  * Windows uses both a handle and a pointer for file mapping,
 105  * but according to the SDK documentation and Richter's book
 106  * "Advanced Windows Programming" it is safe to free the handle
 107  * after obtaining the file mapping pointer
 108  *
 109  * This removes a nasty OS dependency and cures a problem
 110  * with Visual C++ 5.0
 111  */
 112 static int
 113 _tiffMapProc(thandle_t fd, tdata_t* pbase, toff_t* psize)
 114 {
 115         toff_t size;
 116         HANDLE hMapFile;
 117
 118         if ((size = _tiffSizeProc(fd)) == 0xFFFFFFFF)
 119                 return (0);
 120         hMapFile = CreateFileMapping(fd, NULL, PAGE_READONLY, 0, size, NULL);
 121         if (hMapFile == NULL)
 122                 return (0);
 123         *pbase = MapViewOfFile(hMapFile, FILE_MAP_READ, 0, 0, 0);
 124         CloseHandle(hMapFile);
 125         if (*pbase == NULL)
 126                 return (0);
 127         *psize = size;
 128         return(1);
 129 }
 130
 131 static void
 132 _tiffDummyUnmapProc(thandle_t fd, tdata_t base, toff_t size)
 133 {
 134         (void) fd;
 135         (void) base;
 136         (void) size;
 137 }
 138
 139 static void
 140 _tiffUnmapProc(thandle_t fd, tdata_t base, toff_t size)
 141 {
 142         UnmapViewOfFile(base);
 143 }
 144
 145 /*
 146  * Open a TIFF file descriptor for read/writing.
 147  * Note that TIFFFdOpen and TIFFOpen recognise the character 'u' in the mode
 148  * string, which forces the file to be opened unmapped.
 149  */
 150 TIFF*
 151 TIFFFdOpen(int ifd, const char* name, const char* mode)
 152 {
 153         TIFF* tif;
 154         BOOL fSuppressMap = (mode[1] == 'u' || (mode[1]!=0 && mode[2] == 'u'));
 155
 156         tif = TIFFClientOpen(name, mode, (thandle_t)ifd,
 157                         _tiffReadProc, _tiffWriteProc,
 158                         _tiffSeekProc, _tiffCloseProc, _tiffSizeProc,
 159                         fSuppressMap ? _tiffDummyMapProc : _tiffMapProc,
 160                         fSuppressMap ? _tiffDummyUnmapProc : _tiffUnmapProc);
 161         if (tif)
 162                 tif->tif_fd = ifd;
 163         return (tif);
 164 }
 165
 166 #ifndef _WIN32_WCE
 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         TIFF* tif;
 179
 180         m = _TIFFgetMode(mode, module);
 181
 182         switch(m)
 183         {
 184         case O_RDONLY:
 185                 dwMode = OPEN_EXISTING;
 186                 break;
 187         case O_RDWR:
 188                 dwMode = OPEN_ALWAYS;
 189                 break;
 190         case O_RDWR|O_CREAT:
 191                 dwMode = OPEN_ALWAYS;
 192                 break;
 193         case O_RDWR|O_TRUNC:
 194                 dwMode = CREATE_ALWAYS;
 195                 break;
 196         case O_RDWR|O_CREAT|O_TRUNC:
 197                 dwMode = CREATE_ALWAYS;
 198                 break;
 199         default:
 200                 return ((TIFF*)0);
 201         }
 202         fd = (thandle_t)CreateFileA(name,
 203                 (m == O_RDONLY)?GENERIC_READ:(GENERIC_READ | GENERIC_WRITE),
 204                 FILE_SHARE_READ | FILE_SHARE_WRITE, NULL, dwMode,
 205                 (m == O_RDONLY)?FILE_ATTRIBUTE_READONLY:FILE_ATTRIBUTE_NORMAL,
 206                 NULL);
 207         if (fd == INVALID_HANDLE_VALUE) {
 208                 TIFFErrorExt(0, module, "%s: Cannot open", name);
 209                 return ((TIFF *)0);
 210         }
 211
 212         tif = TIFFFdOpen((int)fd, name, mode);
 213         if(!tif)
 214                 CloseHandle(fd);
 215         return tif;
 216 }
 217
 218 /*
 219  * Open a TIFF file with a Unicode filename, for read/writing.
 220  */
 221 TIFF*
 222 TIFFOpenW(const wchar_t* name, const char* mode)
 223 {
 224         static const char module[] = "TIFFOpenW";
 225         thandle_t fd;
 226         int m;
 227         DWORD dwMode;
 228         int mbsize;
 229         char *mbname;
 230         TIFF *tif;
 231
 232         m = _TIFFgetMode(mode, module);
 233
 234         switch(m) {
 235                 case O_RDONLY:                  dwMode = OPEN_EXISTING; break;
 236                 case O_RDWR:                    dwMode = OPEN_ALWAYS;   break;
 237                 case O_RDWR|O_CREAT:            dwMode = OPEN_ALWAYS;   break;
 238                 case O_RDWR|O_TRUNC:            dwMode = CREATE_ALWAYS; break;
 239                 case O_RDWR|O_CREAT|O_TRUNC:    dwMode = CREATE_ALWAYS; break;
 240                 default:                        return ((TIFF*)0);
 241         }
 242
 243         fd = (thandle_t)CreateFileW(name,
 244                 (m == O_RDONLY)?GENERIC_READ:(GENERIC_READ|GENERIC_WRITE),
 245                 FILE_SHARE_READ, NULL, dwMode,
 246                 (m == O_RDONLY)?FILE_ATTRIBUTE_READONLY:FILE_ATTRIBUTE_NORMAL,
 247                 NULL);
 248         if (fd == INVALID_HANDLE_VALUE) {
 249                 TIFFErrorExt(0, module, "%S: Cannot open", name);
 250                 return ((TIFF *)0);
 251         }
 252
 253         mbname = NULL;
 254         mbsize = WideCharToMultiByte(CP_ACP, 0, name, -1, NULL, 0, NULL, NULL);
 255         if (mbsize > 0) {
 256                 mbname = (char *)_TIFFmalloc(mbsize);
 257                 if (!mbname) {
 258                         TIFFErrorExt(0, module,
 259                         "Can't allocate space for filename conversion buffer");
 260                         return ((TIFF*)0);
 261                 }
 262
 263                 WideCharToMultiByte(CP_ACP, 0, name, -1, mbname, mbsize,
 264                                     NULL, NULL);
 265         }
 266
 267         tif = TIFFFdOpen((int)fd,
 268                          (mbname != NULL) ? mbname : "<unknown>", mode);
 269         if(!tif)
 270                 CloseHandle(fd);
 271
 272         _TIFFfree(mbname);
 273
 274         return tif;
 275 }
 276
 277 #endif /* ndef _WIN32_WCE */
 278
 279
 280 tdata_t
 281 _TIFFmalloc(tsize_t s)
 282 {
 283         return ((tdata_t)GlobalAlloc(GMEM_FIXED, s));
 284 }
 285
 286 void
 287 _TIFFfree(tdata_t p)
 288 {
 289         GlobalFree(p);
 290         return;
 291 }
 292
 293 tdata_t
 294 _TIFFrealloc(tdata_t p, tsize_t s)
 295 {
 296         void* pvTmp;
 297         tsize_t old;
 298
 299         if(p == NULL)
 300                 return ((tdata_t)GlobalAlloc(GMEM_FIXED, s));
 301
 302         old = GlobalSize(p);
 303
 304         if (old>=s) {
 305                 if ((pvTmp = GlobalAlloc(GMEM_FIXED, s)) != NULL) {
 306                         CopyMemory(pvTmp, p, s);
 307                         GlobalFree(p);
 308                 }
 309         } else {
 310                 if ((pvTmp = GlobalAlloc(GMEM_FIXED, s)) != NULL) {
 311                         CopyMemory(pvTmp, p, old);
 312                         GlobalFree(p);
 313                 }
 314         }
 315         return ((tdata_t)pvTmp);
 316 }
 317
 318 void
 319 _TIFFmemset(void* p, int v, tsize_t c)
 320 {
 321         FillMemory(p, c, (BYTE)v);
 322 }
 323
 324 void
 325 _TIFFmemcpy(void* d, const tdata_t s, tsize_t c)
 326 {
 327         CopyMemory(d, s, c);
 328 }
 329
 330 int
 331 _TIFFmemcmp(const tdata_t p1, const tdata_t p2, tsize_t c)
 332 {
 333         register const BYTE *pb1 = (const BYTE *) p1;
 334         register const BYTE *pb2 = (const BYTE *) p2;
 335         register DWORD dwTmp = c;
 336         register int iTmp;
 337         for (iTmp = 0; dwTmp-- && !iTmp; iTmp = (int)*pb1++ - (int)*pb2++)
 338                 ;
 339         return (iTmp);
 340 }
 341
 342 #ifndef _WIN32_WCE
 343
 344 static void
 345 Win32WarningHandler(const char* module, const char* fmt, va_list ap)
 346 {
 347 #ifndef TIF_PLATFORM_CONSOLE
 348         LPTSTR szTitle;
 349         LPTSTR szTmp;
 350         LPCTSTR szTitleText = "%s Warning";
 351         LPCTSTR szDefaultModule = "LIBTIFF";
 352         LPCTSTR szTmpModule = (module == NULL) ? szDefaultModule : module;
 353         if ((szTitle = (LPTSTR)LocalAlloc(LMEM_FIXED, (strlen(szTmpModule) +
 354                 strlen(szTitleText) + strlen(fmt) + 128)*sizeof(char))) == NULL)
 355                 return;
 356         sprintf(szTitle, szTitleText, szTmpModule);
 357         szTmp = szTitle + (strlen(szTitle)+2)*sizeof(char);
 358         vsprintf(szTmp, fmt, ap);
 359         MessageBoxA(GetFocus(), szTmp, szTitle, MB_OK | MB_ICONINFORMATION);
 360         LocalFree(szTitle);
 361         return;
 362 #else
 363         if (module != NULL)
 364                 fprintf(stderr, "%s: ", module);
 365         fprintf(stderr, "Warning, ");
 366         vfprintf(stderr, fmt, ap);
 367         fprintf(stderr, ".\n");
 368 #endif
 369 }
 370 TIFFErrorHandler _TIFFwarningHandler = Win32WarningHandler;
 371
 372 static void
 373 Win32ErrorHandler(const char* module, const char* fmt, va_list ap)
 374 {
 375 #ifndef TIF_PLATFORM_CONSOLE
 376         LPTSTR szTitle;
 377         LPTSTR szTmp;
 378         LPCTSTR szTitleText = "%s Error";
 379         LPCTSTR szDefaultModule = "LIBTIFF";
 380         LPCTSTR szTmpModule = (module == NULL) ? szDefaultModule : module;
 381         if ((szTitle = (LPTSTR)LocalAlloc(LMEM_FIXED, (strlen(szTmpModule) +
 382                 strlen(szTitleText) + strlen(fmt) + 128)*sizeof(char))) == NULL)
 383                 return;
 384         sprintf(szTitle, szTitleText, szTmpModule);
 385         szTmp = szTitle + (strlen(szTitle)+2)*sizeof(char);
 386         vsprintf(szTmp, fmt, ap);
 387         MessageBoxA(GetFocus(), szTmp, szTitle, MB_OK | MB_ICONEXCLAMATION);
 388         LocalFree(szTitle);
 389         return;
 390 #else
 391         if (module != NULL)
 392                 fprintf(stderr, "%s: ", module);
 393         vfprintf(stderr, fmt, ap);
 394         fprintf(stderr, ".\n");
 395 #endif
 396 }
 397 TIFFErrorHandler _TIFFerrorHandler = Win32ErrorHandler;
 398
 399 #endif /* ndef _WIN32_WCE */
 400
 401 /* vim: set ts=8 sts=8 sw=8 noet: */
 402 /*
 403  * Local Variables:
 404  * mode: c
 405  * c-basic-offset: 8
 406  * fill-column: 78
 407  * End:
 408  */