granicus.if.org Git - imagemagick/blob - MagickCore/nt-base.c

   1 /*
   2 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
   3 %                                                                             %
   4 %                                                                             %
   5 %                                                                             %
   6 %                                 N   N  TTTTT                                %
   7 %                                 NN  N    T                                  %
   8 %                                 N N N    T                                  %
   9 %                                 N  NN    T                                  %
  10 %                                 N   N    T                                  %
  11 %                                                                             %
  12 %                                                                             %
  13 %                   Windows NT Utility Methods for MagickCore                 %
  14 %                                                                             %
  15 %                               Software Design                               %
  16 %                                 John Cristy                                 %
  17 %                                December 1996                                %
  18 %                                                                             %
  19 %                                                                             %
  20 %  Copyright 1999-2011 ImageMagick Studio LLC, a non-profit organization      %
  21 %  dedicated to making software imaging solutions freely available.           %
  22 %                                                                             %
  23 %  You may not use this file except in compliance with the License.  You may  %
  24 %  obtain a copy of the License at                                            %
  25 %                                                                             %
  26 %    http://www.imagemagick.org/script/license.php                            %
  27 %                                                                             %
  28 %  Unless required by applicable law or agreed to in writing, software        %
  29 %  distributed under the License is distributed on an "AS IS" BASIS,          %
  30 %  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.   %
  31 %  See the License for the specific language governing permissions and        %
  32 %  limitations under the License.                                             %
  33 %                                                                             %
  34 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
  35 %
  36 %
  37 */
  38 /*
  39   Include declarations.
  40 */
  41 #include "MagickCore/studio.h"
  42 #if defined(MAGICKCORE_WINDOWS_SUPPORT)
  43 #include "MagickCore/client.h"
  44 #include "MagickCore/cache.h"
  45 #include "MagickCore/color.h"
  46 #include "MagickCore/colorspace.h"
  47 #include "MagickCore/colorspace-private.h"
  48 #include "MagickCore/exception-private.h"
  49 #include "MagickCore/image.h"
  50 #include "MagickCore/locale_.h"
  51 #include "MagickCore/log.h"
  52 #include "MagickCore/magick.h"
  53 #include "MagickCore/memory_.h"
  54 #include "MagickCore/monitor.h"
  55 #include "MagickCore/monitor-private.h"
  56 #include "MagickCore/pixel-accessor.h"
  57 #include "MagickCore/resource_.h"
  58 #include "MagickCore/resource-private.h"
  59 #include "MagickCore/timer.h"
  60 #include "MagickCore/type.h"
  61 #include "MagickCore/string_.h"
  62 #include "MagickCore/token.h"
  63 #include "MagickCore/utility.h"
  64 #include "MagickCore/version.h"
  65 #if defined(MAGICKCORE_LTDL_DELEGATE)
  66 #  include "ltdl.h"
  67 #endif
  68 #include "MagickCore/nt-base.h"
  69 #include "MagickCore/nt-base-private.h"
  70 #if defined(MAGICKCORE_CIPHER_SUPPORT)
  71 #include <ntsecapi.h>
  72 #include <wincrypt.h>
  73 #endif
  74 \f
  75 /*
  76   Define declarations.
  77 */
  78 #if !defined(MAP_FAILED)
  79 #define MAP_FAILED      ((void *) -1)
  80 #endif
  81 \f
  82 /*
  83   Static declarations.
  84 */
  85 #if !defined(MAGICKCORE_LTDL_DELEGATE)
  86 static char
  87   *lt_slsearchpath = (char *) NULL;
  88 #endif
  89
  90 static GhostInfo
  91   ghost_info;
  92
  93 static void
  94   *ghost_handle = (void *) NULL;
  95 \f
  96 /*
  97   External declarations.
  98 */
  99 #if !defined(MAGICKCORE_WINDOWS_SUPPORT)
 100 extern "C" BOOL WINAPI
 101   DllMain(HINSTANCE handle,DWORD reason,LPVOID lpvReserved);
 102 #endif
 103 \f
 104 /*
 105 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 106 %                                                                             %
 107 %                                                                             %
 108 %                                                                             %
 109 %   C r o p I m a g e T o H B i t m a p                                       %
 110 %                                                                             %
 111 %                                                                             %
 112 %                                                                             %
 113 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 114 %
 115 %  CropImageToHBITMAP() extracts a specified region of the image and returns
 116 %  it as a Windows HBITMAP. While the same functionality can be accomplished by
 117 %  invoking CropImage() followed by ImageToHBITMAP(), this method is more
 118 %  efficient since it copies pixels directly to the HBITMAP.
 119 %
 120 %  The format of the CropImageToHBITMAP method is:
 121 %
 122 %      HBITMAP CropImageToHBITMAP(Image* image,const RectangleInfo *geometry,
 123 %        ExceptionInfo *exception)
 124 %
 125 %  A description of each parameter follows:
 126 %
 127 %    o image: the image.
 128 %
 129 %    o geometry: Define the region of the image to crop with members
 130 %      x, y, width, and height.
 131 %
 132 %    o exception: return any errors or warnings in this structure.
 133 %
 134 */
 135 MagickExport void *CropImageToHBITMAP(Image *image,
 136   const RectangleInfo *geometry,ExceptionInfo *exception)
 137 {
 138 #define CropImageTag  "Crop/Image"
 139
 140   BITMAP
 141     bitmap;
 142
 143   HBITMAP
 144     bitmapH;
 145
 146   HANDLE
 147     bitmap_bitsH;
 148
 149   MagickBooleanType
 150     proceed;
 151
 152   RectangleInfo
 153     page;
 154
 155   register const Quantum
 156     *p;
 157
 158   register RGBQUAD
 159     *q;
 160
 161   RGBQUAD
 162     *bitmap_bits;
 163
 164   ssize_t
 165     y;
 166
 167   /*
 168     Check crop geometry.
 169   */
 170   assert(image != (const Image *) NULL);
 171   assert(image->signature == MagickSignature);
 172   if (image->debug != MagickFalse)
 173     (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
 174   assert(geometry != (const RectangleInfo *) NULL);
 175   assert(exception != (ExceptionInfo *) NULL);
 176   assert(exception->signature == MagickSignature);
 177   if (((geometry->x+(ssize_t) geometry->width) < 0) ||
 178       ((geometry->y+(ssize_t) geometry->height) < 0) ||
 179       (geometry->x >= (ssize_t) image->columns) ||
 180       (geometry->y >= (ssize_t) image->rows))
 181     ThrowImageException(OptionError,"GeometryDoesNotContainImage");
 182   page=(*geometry);
 183   if ((page.x+(ssize_t) page.width) > (ssize_t) image->columns)
 184     page.width=image->columns-page.x;
 185   if ((page.y+(ssize_t) page.height) > (ssize_t) image->rows)
 186     page.height=image->rows-page.y;
 187   if (page.x < 0)
 188     {
 189       page.width+=page.x;
 190       page.x=0;
 191     }
 192   if (page.y < 0)
 193     {
 194       page.height+=page.y;
 195       page.y=0;
 196     }
 197
 198   if ((page.width == 0) || (page.height == 0))
 199     ThrowImageException(OptionError,"GeometryDimensionsAreZero");
 200   /*
 201     Initialize crop image attributes.
 202   */
 203   bitmap.bmType         = 0;
 204   bitmap.bmWidth        = (LONG) page.width;
 205   bitmap.bmHeight       = (LONG) page.height;
 206   bitmap.bmWidthBytes   = bitmap.bmWidth * 4;
 207   bitmap.bmPlanes       = 1;
 208   bitmap.bmBitsPixel    = 32;
 209   bitmap.bmBits         = NULL;
 210
 211   bitmap_bitsH=(HANDLE) GlobalAlloc(GMEM_MOVEABLE | GMEM_DDESHARE,page.width*
 212     page.height*bitmap.bmBitsPixel);
 213   if (bitmap_bitsH == NULL)
 214     return(NULL);
 215   bitmap_bits=(RGBQUAD *) GlobalLock((HGLOBAL) bitmap_bitsH);
 216   if ( bitmap.bmBits == NULL )
 217     bitmap.bmBits = bitmap_bits;
 218   if (IsRGBColorspace(image->colorspace) == MagickFalse)
 219     TransformImageColorspace(image,RGBColorspace,exception);
 220   /*
 221     Extract crop image.
 222   */
 223   q=bitmap_bits;
 224   for (y=0; y < (ssize_t) page.height; y++)
 225   {
 226     p=GetVirtualPixels(image,page.x,page.y+y,page.width,1,exception);
 227     if (p == (const Quantum *) NULL)
 228       break;
 229
 230 #if MAGICKCORE_QUANTUM_DEPTH == 8
 231       /* Form of PixelInfo is identical to RGBQUAD when MAGICKCORE_QUANTUM_DEPTH==8 */
 232       CopyMagickMemory((void*)q,(const void*)p,page.width*sizeof(PixelInfo));
 233       q += page.width;
 234
 235 #else  /* 16 or 32 bit Quantum */
 236       {
 237         ssize_t
 238           x;
 239
 240         /* Transfer pixels, scaling to Quantum */
 241         for( x=(ssize_t) page.width ; x> 0 ; x-- )
 242           {
 243             q->rgbRed = ScaleQuantumToChar(GetPixelRed(image,p));
 244             q->rgbGreen = ScaleQuantumToChar(GetPixelGreen(image,p));
 245             q->rgbBlue = ScaleQuantumToChar(GetPixelBlue(image,p));
 246             q->rgbReserved = 0;
 247             ++q;
 248             ++p;
 249           }
 250       }
 251 #endif
 252     proceed=SetImageProgress(image,CropImageTag,y,page.height);
 253     if (proceed == MagickFalse)
 254       break;
 255   }
 256   if (y < (ssize_t) page.height)
 257     {
 258       GlobalUnlock((HGLOBAL) bitmap_bitsH);
 259       GlobalFree((HGLOBAL) bitmap_bitsH);
 260       return((void *) NULL);
 261     }
 262   bitmap.bmBits=bitmap_bits;
 263   bitmapH=CreateBitmapIndirect(&bitmap);
 264   GlobalUnlock((HGLOBAL) bitmap_bitsH);
 265   GlobalFree((HGLOBAL) bitmap_bitsH);
 266   return((void *) bitmapH);
 267 }
 268 \f
 269 /*
 270 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 271 %                                                                             %
 272 %                                                                             %
 273 %                                                                             %
 274 %   D l l M a i n                                                             %
 275 %                                                                             %
 276 %                                                                             %
 277 %                                                                             %
 278 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 279 %
 280 %  DllMain() is an entry point to the DLL which is called when processes and
 281 %  threads are initialized and terminated, or upon calls to the Windows
 282 %  LoadLibrary and FreeLibrary functions.
 283 %
 284 %  The function returns TRUE of it succeeds, or FALSE if initialization fails.
 285 %
 286 %  The format of the DllMain method is:
 287 %
 288 %    BOOL WINAPI DllMain(HINSTANCE handle,DWORD reason,LPVOID lpvReserved)
 289 %
 290 %  A description of each parameter follows:
 291 %
 292 %    o handle: handle to the DLL module
 293 %
 294 %    o reason: reason for calling function:
 295 %
 296 %      DLL_PROCESS_ATTACH - DLL is being loaded into virtual address
 297 %                           space of current process.
 298 %      DLL_THREAD_ATTACH - Indicates that the current process is
 299 %                          creating a new thread.  Called under the
 300 %                          context of the new thread.
 301 %      DLL_THREAD_DETACH - Indicates that the thread is exiting.
 302 %                          Called under the context of the exiting
 303 %                          thread.
 304 %      DLL_PROCESS_DETACH - Indicates that the DLL is being unloaded
 305 %                           from the virtual address space of the
 306 %                           current process.
 307 %
 308 %    o lpvReserved: Used for passing additional info during DLL_PROCESS_ATTACH
 309 %                   and DLL_PROCESS_DETACH.
 310 %
 311 */
 312 #if defined(_DLL) && defined( ProvideDllMain )
 313 BOOL WINAPI DllMain(HINSTANCE handle,DWORD reason,LPVOID lpvReserved)
 314 {
 315   switch (reason)
 316   {
 317     case DLL_PROCESS_ATTACH:
 318     {
 319       char
 320         *module_path;
 321
 322       ssize_t
 323         count;
 324
 325       module_path=(char *) AcquireQuantumMemory(MaxTextExtent,
 326         sizeof(*module_path));
 327       if (module_path == (char *) NULL)
 328         return(FALSE);
 329       count=(ssize_t) GetModuleFileName(handle,module_path,MaxTextExtent);
 330       if (count != 0)
 331         {
 332           char
 333             *path;
 334
 335           for ( ; count > 0; count--)
 336             if (module_path[count] == '\\')
 337               {
 338                 module_path[count+1]='\0';
 339                 break;
 340               }
 341           MagickCoreGenesis(module_path,MagickFalse);
 342           path=(char *) AcquireQuantumMemory(16UL*MaxTextExtent,sizeof(*path));
 343           if (path == (char *) NULL)
 344             {
 345               module_path=DestroyString(module_path);
 346               return(FALSE);
 347             }
 348           count=(ssize_t) GetEnvironmentVariable("PATH",path,16*MaxTextExtent);
 349           if ((count != 0) && (strstr(path,module_path) == (char *) NULL))
 350             {
 351               if ((strlen(module_path)+count+1) < (16*MaxTextExtent-1))
 352                 {
 353                   char
 354                     *variable;
 355
 356                   variable=(char *) AcquireQuantumMemory(16UL*MaxTextExtent,
 357                     sizeof(*variable));
 358                   if (variable == (char *) NULL)
 359                     {
 360                       path=DestroyString(path);
 361                       module_path=DestroyString(module_path);
 362                       return(FALSE);
 363                     }
 364                   (void) FormatLocaleString(variable,16*MaxTextExtent,
 365                     "%s;%s",module_path,path);
 366                   SetEnvironmentVariable("PATH",variable);
 367                   variable=DestroyString(variable);
 368                 }
 369             }
 370           path=DestroyString(path);
 371         }
 372       module_path=DestroyString(module_path);
 373       break;
 374     }
 375     case DLL_PROCESS_DETACH:
 376     {
 377       MagickCoreTerminus();
 378       break;
 379     }
 380     default:
 381       break;
 382   }
 383   return(TRUE);
 384 }
 385 #endif
 386 \f
 387 /*
 388 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 389 %                                                                             %
 390 %                                                                             %
 391 %                                                                             %
 392 %   E x i t                                                                   %
 393 %                                                                             %
 394 %                                                                             %
 395 %                                                                             %
 396 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 397 %
 398 %  Exit() calls TerminateProcess for Win95.
 399 %
 400 %  The format of the exit method is:
 401 %
 402 %      int Exit(int status)
 403 %
 404 %  A description of each parameter follows:
 405 %
 406 %    o status: an integer value representing the status of the terminating
 407 %      process.
 408 %
 409 */
 410 MagickPrivate int Exit(int status)
 411 {
 412   if (IsWindows95())
 413     TerminateProcess(GetCurrentProcess(),(unsigned int) status);
 414   exit(status);
 415   return(0);
 416 }
 417 \f
 418 #if !defined(__MINGW32__)
 419 /*
 420 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 421 %                                                                             %
 422 %                                                                             %
 423 %                                                                             %
 424 %   g e t t i m e o f d a y                                                   %
 425 %                                                                             %
 426 %                                                                             %
 427 %                                                                             %
 428 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 429 %
 430 %  The gettimeofday() method get the time of day.
 431 %
 432 %  The format of the gettimeofday method is:
 433 %
 434 %      int gettimeofday(struct timeval *time_value,struct timezone *time_zone)
 435 %
 436 %  A description of each parameter follows:
 437 %
 438 %    o time_value: the time value.
 439 %
 440 %    o time_zone: the time zone.
 441 %
 442 */
 443 MagickPrivate int gettimeofday (struct timeval *time_value,
 444   struct timezone *time_zone)
 445 {
 446 #define EpochFiletime  MagickLLConstant(116444736000000000)
 447
 448   static int
 449     is_tz_set;
 450
 451   if (time_value != (struct timeval *) NULL)
 452     {
 453       FILETIME
 454         file_time;
 455
 456       __int64
 457         time;
 458
 459       LARGE_INTEGER
 460         date_time;
 461
 462       GetSystemTimeAsFileTime(&file_time);
 463       date_time.LowPart=file_time.dwLowDateTime;
 464       date_time.HighPart=file_time.dwHighDateTime;
 465       time=date_time.QuadPart;
 466       time-=EpochFiletime;
 467       time/=10;
 468       time_value->tv_sec=(ssize_t) (time / 1000000);
 469       time_value->tv_usec=(ssize_t) (time % 1000000);
 470     }
 471   if (time_zone != (struct timezone *) NULL)
 472     {
 473       if (is_tz_set == 0)
 474         {
 475           _tzset();
 476           is_tz_set++;
 477         }
 478       time_zone->tz_minuteswest=_timezone/60;
 479       time_zone->tz_dsttime=_daylight;
 480     }
 481   return(0);
 482 }
 483 #endif
 484 \f
 485 /*
 486 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 487 %                                                                             %
 488 %                                                                             %
 489 %                                                                             %
 490 %   I m a g e T o H B i t m a p                                               %
 491 %                                                                             %
 492 %                                                                             %
 493 %                                                                             %
 494 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 495 %
 496 %  ImageToHBITMAP() creates a Windows HBITMAP from an image.
 497 %
 498 %  The format of the ImageToHBITMAP method is:
 499 %
 500 %      HBITMAP ImageToHBITMAP(Image *image)
 501 %
 502 %  A description of each parameter follows:
 503 %
 504 %    o image: the image to convert.
 505 %
 506 */
 507 MagickExport void *ImageToHBITMAP(Image *image)
 508 {
 509   BITMAP
 510     bitmap;
 511
 512   ExceptionInfo
 513     *exception;
 514
 515   HANDLE
 516     bitmap_bitsH;
 517
 518   HBITMAP
 519     bitmapH;
 520
 521   register ssize_t
 522     x;
 523
 524   register const Quantum
 525     *p;
 526
 527   register RGBQUAD
 528     *q;
 529
 530   RGBQUAD
 531     *bitmap_bits;
 532
 533   size_t
 534     length;
 535
 536   ssize_t
 537     y;
 538
 539   (void) ResetMagickMemory(&bitmap,0,sizeof(bitmap));
 540   bitmap.bmType=0;
 541   bitmap.bmWidth=(LONG) image->columns;
 542   bitmap.bmHeight=(LONG) image->rows;
 543   bitmap.bmWidthBytes=4*bitmap.bmWidth;
 544   bitmap.bmPlanes=1;
 545   bitmap.bmBitsPixel=32;
 546   bitmap.bmBits=NULL;
 547   length=bitmap.bmWidthBytes*bitmap.bmHeight;
 548   bitmap_bitsH=(HANDLE) GlobalAlloc(GMEM_MOVEABLE | GMEM_DDESHARE,length);
 549   if (bitmap_bitsH == NULL)
 550     {
 551       char
 552         *message;
 553
 554       message=GetExceptionMessage(errno);
 555       (void) ThrowMagickException(&image->exception,GetMagickModule(),
 556         ResourceLimitError,"MemoryAllocationFailed","`%s'",message);
 557       message=DestroyString(message);
 558       return(NULL);
 559     }
 560   bitmap_bits=(RGBQUAD *) GlobalLock((HGLOBAL) bitmap_bitsH);
 561   q=bitmap_bits;
 562   if (bitmap.bmBits == NULL)
 563     bitmap.bmBits=bitmap_bits;
 564   (void) TransformImageColorspace(image,RGBColorspace,exception);
 565   exception=(&image->exception);
 566   for (y=0; y < (ssize_t) image->rows; y++)
 567   {
 568     p=GetVirtualPixels(image,0,y,image->columns,1,exception);
 569     if (p == (const Quantum *) NULL)
 570       break;
 571     for (x=0; x < (ssize_t) image->columns; x++)
 572     {
 573       q->rgbRed=ScaleQuantumToChar(GetPixelRed(image,p));
 574       q->rgbGreen=ScaleQuantumToChar(GetPixelGreen(image,p));
 575       q->rgbBlue=ScaleQuantumToChar(GetPixelBlue(image,p));
 576       q->rgbReserved=0;
 577       p+=GetPixelChannels(image);
 578       q++;
 579     }
 580   }
 581   bitmap.bmBits=bitmap_bits;
 582   bitmapH=CreateBitmapIndirect(&bitmap);
 583   if (bitmapH == NULL)
 584     {
 585       char
 586         *message;
 587
 588       message=GetExceptionMessage(errno);
 589       (void) ThrowMagickException(&image->exception,GetMagickModule(),
 590         ResourceLimitError,"MemoryAllocationFailed","`%s'",message);
 591       message=DestroyString(message);
 592     }
 593   GlobalUnlock((HGLOBAL) bitmap_bitsH);
 594   GlobalFree((HGLOBAL) bitmap_bitsH);
 595   return((void *) bitmapH);
 596 }
 597 \f
 598 /*
 599 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 600 %                                                                             %
 601 %                                                                             %
 602 %                                                                             %
 603 %   I s W i n d o w s 9 5                                                     %
 604 %                                                                             %
 605 %                                                                             %
 606 %                                                                             %
 607 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 608 %
 609 %  IsWindows95() returns true if the system is Windows 95.
 610 %
 611 %  The format of the IsWindows95 method is:
 612 %
 613 %      int IsWindows95()
 614 %
 615 */
 616 MagickPrivate int IsWindows95(void)
 617 {
 618   OSVERSIONINFO
 619     version_info;
 620
 621   version_info.dwOSVersionInfoSize=sizeof(version_info);
 622   if (GetVersionEx(&version_info) &&
 623       (version_info.dwPlatformId == VER_PLATFORM_WIN32_WINDOWS))
 624     return(1);
 625   return(0);
 626 }
 627 \f
 628 /*
 629 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 630 %                                                                             %
 631 %                                                                             %
 632 %                                                                             %
 633 %   N T A r g v T o U T F 8                                                   %
 634 %                                                                             %
 635 %                                                                             %
 636 %                                                                             %
 637 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 638 %
 639 %  NTArgvToUTF8() converts the wide command line arguments to UTF-8 to ensure
 640 %  compatibility with Linux.
 641 %
 642 %  The format of the NTArgvToUTF8 method is:
 643 %
 644 %      char **NTArgvToUTF8(const int argc,wchar_t **argv)
 645 %
 646 %  A description of each parameter follows:
 647 %
 648 %    o argc: the number of command line arguments.
 649 %
 650 %    o argv:  the  wide-character command line arguments.
 651 %
 652 */
 653 MagickExport char **NTArgvToUTF8(const int argc,wchar_t **argv)
 654 {
 655   char
 656     **utf8;
 657
 658   ssize_t
 659     i;
 660
 661   utf8=(char **) AcquireQuantumMemory(argc,sizeof(*utf8));
 662   if (utf8 == (char **) NULL)
 663     ThrowFatalException(ResourceLimitFatalError,"UnableToConvertStringToARGV");
 664   for (i=0; i < (ssize_t) argc; i++)
 665   {
 666     ssize_t
 667       count;
 668
 669     count=WideCharToMultiByte(CP_UTF8,0,argv[i],-1,NULL,0,NULL,NULL);
 670     if (count < 0)
 671       count=0;
 672     utf8[i]=(char *) AcquireQuantumMemory(count+1,sizeof(**utf8));
 673     if (utf8[i] == (char *) NULL)
 674       {
 675         for (i--; i >= 0; i--)
 676           utf8[i]=DestroyString(utf8[i]);
 677         utf8=(char **) RelinquishMagickMemory(utf8);
 678         ThrowFatalException(ResourceLimitFatalError,
 679           "UnableToConvertStringToARGV");
 680       }
 681     count=WideCharToMultiByte(CP_UTF8,0,argv[i],-1,utf8[i],count,NULL,NULL);
 682     utf8[i][count]=0;
 683   }
 684   return(utf8);
 685 }
 686 \f
 687 /*
 688 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 689 %                                                                             %
 690 %                                                                             %
 691 %                                                                             %
 692 %   N T C l o s e D i r e c t o r y                                           %
 693 %                                                                             %
 694 %                                                                             %
 695 %                                                                             %
 696 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 697 %
 698 %  NTCloseDirectory() closes the named directory stream and frees the DIR
 699 %  structure.
 700 %
 701 %  The format of the NTCloseDirectory method is:
 702 %
 703 %      int NTCloseDirectory(DIR *entry)
 704 %
 705 %  A description of each parameter follows:
 706 %
 707 %    o entry: Specifies a pointer to a DIR structure.
 708 %
 709 */
 710 MagickPrivate int NTCloseDirectory(DIR *entry)
 711 {
 712   (void) LogMagickEvent(TraceEvent,GetMagickModule(),"...");
 713   assert(entry != (DIR *) NULL);
 714   FindClose(entry->hSearch);
 715   entry=(DIR *) RelinquishMagickMemory(entry);
 716   return(0);
 717 }
 718 \f
 719 /*
 720 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 721 %                                                                             %
 722 %                                                                             %
 723 %                                                                             %
 724 %   N T C l o s e L i b r a r y                                               %
 725 %                                                                             %
 726 %                                                                             %
 727 %                                                                             %
 728 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 729 %
 730 %  NTCloseLibrary() unloads the module associated with the passed handle.
 731 %
 732 %  The format of the NTCloseLibrary method is:
 733 %
 734 %      void NTCloseLibrary(void *handle)
 735 %
 736 %  A description of each parameter follows:
 737 %
 738 %    o handle: Specifies a handle to a previously loaded dynamic module.
 739 %
 740 */
 741 MagickPrivate int NTCloseLibrary(void *handle)
 742 {
 743   if (IsWindows95())
 744     return(FreeLibrary((HINSTANCE) handle));
 745   return(!(FreeLibrary((HINSTANCE) handle)));
 746 }
 747 \f
 748 /*
 749 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 750 %                                                                             %
 751 %                                                                             %
 752 %                                                                             %
 753 %   N T C o n t r o l H a n d l e r                                           %
 754 %                                                                             %
 755 %                                                                             %
 756 %                                                                             %
 757 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 758 %
 759 %  NTControlHandler() registers a control handler that is activated when, for
 760 %  example, a ctrl-c is received.
 761 %
 762 %  The format of the NTControlHandler method is:
 763 %
 764 %      int NTControlHandler(void)
 765 %
 766 */
 767
 768 static BOOL ControlHandler(DWORD type)
 769 {
 770   (void) type;
 771   AsynchronousResourceComponentTerminus();
 772   return(FALSE);
 773 }
 774
 775 MagickPrivate int NTControlHandler(void)
 776 {
 777   return(SetConsoleCtrlHandler((PHANDLER_ROUTINE) ControlHandler,TRUE));
 778 }
 779 \f
 780 /*
 781 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 782 %                                                                             %
 783 %                                                                             %
 784 %                                                                             %
 785 %   N T E l a p s e d T i m e                                                 %
 786 %                                                                             %
 787 %                                                                             %
 788 %                                                                             %
 789 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 790 %
 791 %  NTElapsedTime() returns the elapsed time (in seconds) since the last call to
 792 %  StartTimer().
 793 %
 794 %  The format of the ElapsedTime method is:
 795 %
 796 %      double NTElapsedTime(void)
 797 %
 798 */
 799 MagickPrivate double NTElapsedTime(void)
 800 {
 801   union
 802   {
 803     FILETIME
 804       filetime;
 805
 806     __int64
 807       filetime64;
 808   } elapsed_time;
 809
 810   SYSTEMTIME
 811     system_time;
 812
 813   GetSystemTime(&system_time);
 814   SystemTimeToFileTime(&system_time,&elapsed_time.filetime);
 815   return((double) 1.0e-7*elapsed_time.filetime64);
 816 }
 817 \f
 818 /*
 819 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 820 %                                                                             %
 821 %                                                                             %
 822 %                                                                             %
 823 +   N T E r r o r H a n d l e r                                               %
 824 %                                                                             %
 825 %                                                                             %
 826 %                                                                             %
 827 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 828 %
 829 %  NTErrorHandler() displays an error reason and then terminates the program.
 830 %
 831 %  The format of the NTErrorHandler method is:
 832 %
 833 %      void NTErrorHandler(const ExceptionType severity,const char *reason,
 834 %        const char *description)
 835 %
 836 %  A description of each parameter follows:
 837 %
 838 %    o severity: Specifies the numeric error category.
 839 %
 840 %    o reason: Specifies the reason to display before terminating the
 841 %      program.
 842 %
 843 %    o description: Specifies any description to the reason.
 844 %
 845 */
 846 MagickExport void NTErrorHandler(const ExceptionType severity,
 847   const char *reason,const char *description)
 848 {
 849   char
 850     buffer[3*MaxTextExtent],
 851     *message;
 852
 853   (void) severity;
 854   if (reason == (char *) NULL)
 855     {
 856       MagickCoreTerminus();
 857       exit(0);
 858     }
 859   message=GetExceptionMessage(errno);
 860   if ((description != (char *) NULL) && errno)
 861     (void) FormatLocaleString(buffer,MaxTextExtent,"%s: %s (%s) [%s].\n",
 862       GetClientName(),reason,description,message);
 863   else
 864     if (description != (char *) NULL)
 865       (void) FormatLocaleString(buffer,MaxTextExtent,"%s: %s (%s).\n",
 866         GetClientName(),reason,description);
 867     else
 868       if (errno != 0)
 869         (void) FormatLocaleString(buffer,MaxTextExtent,"%s: %s [%s].\n",
 870           GetClientName(),reason,message);
 871       else
 872         (void) FormatLocaleString(buffer,MaxTextExtent,"%s: %s.\n",
 873           GetClientName(),reason);
 874   message=DestroyString(message);
 875   (void) MessageBox(NULL,buffer,"ImageMagick Exception",MB_OK | MB_TASKMODAL |
 876     MB_SETFOREGROUND | MB_ICONEXCLAMATION);
 877   MagickCoreTerminus();
 878   exit(0);
 879 }
 880 \f
 881 /*
 882 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 883 %                                                                             %
 884 %                                                                             %
 885 %                                                                             %
 886 %   N T E x i t L i b r a r y                                                 %
 887 %                                                                             %
 888 %                                                                             %
 889 %                                                                             %
 890 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 891 %
 892 %  NTExitLibrary() exits the dynamic module loading subsystem.
 893 %
 894 %  The format of the NTExitLibrary method is:
 895 %
 896 %      int NTExitLibrary(void)
 897 %
 898 */
 899 MagickPrivate int NTExitLibrary(void)
 900 {
 901   return(0);
 902 }
 903 \f
 904 /*
 905 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 906 %                                                                             %
 907 %                                                                             %
 908 %                                                                             %
 909 %   N T G a t h e r R a n d o m D a t a                                       %
 910 %                                                                             %
 911 %                                                                             %
 912 %                                                                             %
 913 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 914 %
 915 %  NTGatherRandomData() gathers random data and returns it.
 916 %
 917 %  The format of the GatherRandomData method is:
 918 %
 919 %      MagickBooleanType NTGatherRandomData(const size_t length,
 920 %        unsigned char *random)
 921 %
 922 %  A description of each parameter follows:
 923 %
 924 %    length: the length of random data buffer
 925 %
 926 %    random: the random data is returned here.
 927 %
 928 */
 929 MagickPrivate MagickBooleanType NTGatherRandomData(const size_t length,
 930   unsigned char *random)
 931 {
 932 #if defined(MAGICKCORE_CIPHER_SUPPORT) && defined(_MSC_VER) && (_MSC_VER > 1200)
 933   HCRYPTPROV
 934     handle;
 935
 936   int
 937     status;
 938
 939   handle=(HCRYPTPROV) NULL;
 940   status=CryptAcquireContext(&handle,NULL,MS_DEF_PROV,PROV_RSA_FULL,
 941     (CRYPT_VERIFYCONTEXT | CRYPT_MACHINE_KEYSET));
 942   if (status == 0)
 943     status=CryptAcquireContext(&handle,NULL,MS_DEF_PROV,PROV_RSA_FULL,
 944       (CRYPT_VERIFYCONTEXT | CRYPT_MACHINE_KEYSET | CRYPT_NEWKEYSET));
 945   if (status == 0)
 946     return(MagickFalse);
 947   status=CryptGenRandom(handle,(DWORD) length,random);
 948   if (status == 0)
 949     {
 950       status=CryptReleaseContext(handle,0);
 951       return(MagickFalse);
 952     }
 953   status=CryptReleaseContext(handle,0);
 954   if (status == 0)
 955     return(MagickFalse);
 956 #else
 957   (void) random;
 958   (void) length;
 959 #endif
 960   return(MagickTrue);
 961 }
 962 \f
 963 /*
 964 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 965 %                                                                             %
 966 %                                                                             %
 967 %                                                                             %
 968 %   N T G e t E x e c u t i o n P a t h                                       %
 969 %                                                                             %
 970 %                                                                             %
 971 %                                                                             %
 972 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 973 %
 974 %  NTGetExecutionPath() returns the execution path of a program.
 975 %
 976 %  The format of the GetExecutionPath method is:
 977 %
 978 %      MagickBooleanType NTGetExecutionPath(char *path,const size_t extent)
 979 %
 980 %  A description of each parameter follows:
 981 %
 982 %    o path: the pathname of the executable that started the process.
 983 %
 984 %    o extent: the maximum extent of the path.
 985 %
 986 */
 987 MagickPrivate MagickBooleanType NTGetExecutionPath(char *path,
 988   const size_t extent)
 989 {
 990   GetModuleFileName(0,path,(DWORD) extent);
 991   return(MagickTrue);
 992 }
 993 \f
 994 /*
 995 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 996 %                                                                             %
 997 %                                                                             %
 998 %                                                                             %
 999 %   N T G e t L a s t E r r o r                                               %
1000 %                                                                             %
1001 %                                                                             %
1002 %                                                                             %
1003 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1004 %
1005 %  NTGetLastError() returns the last error that occurred.
1006 %
1007 %  The format of the NTGetLastError method is:
1008 %
1009 %      char *NTGetLastError(void)
1010 %
1011 */
1012 MagickPrivate char *NTGetLastError(void)
1013 {
1014   char
1015     *reason;
1016
1017   int
1018     status;
1019
1020   LPVOID
1021     buffer;
1022
1023   status=FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER |
1024     FORMAT_MESSAGE_FROM_SYSTEM,NULL,GetLastError(),
1025     MAKELANGID(LANG_NEUTRAL,SUBLANG_DEFAULT),(LPTSTR) &buffer,0,NULL);
1026   if (!status)
1027     reason=AcquireString("An unknown error occurred");
1028   else
1029     {
1030       reason=AcquireString((const char *) buffer);
1031       LocalFree(buffer);
1032     }
1033   return(reason);
1034 }
1035 \f
1036 /*
1037 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1038 %                                                                             %
1039 %                                                                             %
1040 %                                                                             %
1041 %   N T G e t L i b r a r y E r r o r                                         %
1042 %                                                                             %
1043 %                                                                             %
1044 %                                                                             %
1045 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1046 %
1047 %  Lt_dlerror() returns a pointer to a string describing the last error
1048 %  associated with a lt_dl method.  Note that this function is not thread
1049 %  safe so it should only be used under the protection of a lock.
1050 %
1051 %  The format of the NTGetLibraryError method is:
1052 %
1053 %      const char *NTGetLibraryError(void)
1054 %
1055 */
1056 MagickPrivate const char *NTGetLibraryError(void)
1057 {
1058   static char
1059     last_error[MaxTextExtent];
1060
1061   char
1062     *error;
1063
1064   *last_error='\0';
1065   error=NTGetLastError();
1066   if (error)
1067     (void) CopyMagickString(last_error,error,MaxTextExtent);
1068   error=DestroyString(error);
1069   return(last_error);
1070 }
1071 \f
1072 /*
1073 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1074 %                                                                             %
1075 %                                                                             %
1076 %                                                                             %
1077 %   N T G e t L i b r a r y S y m b o l                                       %
1078 %                                                                             %
1079 %                                                                             %
1080 %                                                                             %
1081 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1082 %
1083 %  NTGetLibrarySymbol() retrieve the procedure address of the method
1084 %  specified by the passed character string.
1085 %
1086 %  The format of the NTGetLibrarySymbol method is:
1087 %
1088 %      void *NTGetLibrarySymbol(void *handle,const char *name)
1089 %
1090 %  A description of each parameter follows:
1091 %
1092 %    o handle: Specifies a handle to the previously loaded dynamic module.
1093 %
1094 %    o name: Specifies the procedure entry point to be returned.
1095 %
1096 */
1097 void *NTGetLibrarySymbol(void *handle,const char *name)
1098 {
1099   LPFNDLLFUNC1
1100     lpfnDllFunc1;
1101
1102   lpfnDllFunc1=(LPFNDLLFUNC1) GetProcAddress((HINSTANCE) handle,name);
1103   if (!lpfnDllFunc1)
1104     return((void *) NULL);
1105   return((void *) lpfnDllFunc1);
1106 }
1107 \f
1108 /*
1109 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1110 %                                                                             %
1111 %                                                                             %
1112 %                                                                             %
1113 %   N T G e t M o d u l e P a t h                                             %
1114 %                                                                             %
1115 %                                                                             %
1116 %                                                                             %
1117 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1118 %
1119 %  NTGetModulePath() returns the path of the specified module.
1120 %
1121 %  The format of the GetModulePath method is:
1122 %
1123 %      MagickBooleanType NTGetModulePath(const char *module,char *path)
1124 %
1125 %  A description of each parameter follows:
1126 %
1127 %    modith: the module name.
1128 %
1129 %    path: the module path is returned here.
1130 %
1131 */
1132 MagickPrivate MagickBooleanType NTGetModulePath(const char *module,char *path)
1133 {
1134   char
1135     module_path[MaxTextExtent];
1136
1137   HMODULE
1138     handle;
1139
1140   ssize_t
1141     length;
1142
1143   *path='\0';
1144   handle=GetModuleHandle(module);
1145   if (handle == (HMODULE) NULL)
1146     return(MagickFalse);
1147   length=GetModuleFileName(handle,module_path,MaxTextExtent);
1148   if (length != 0)
1149     GetPathComponent(module_path,HeadPath,path);
1150   return(MagickTrue);
1151 }
1152 \f
1153 /*
1154 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1155 %                                                                             %
1156 %                                                                             %
1157 %                                                                             %
1158 +   N T G e t T y pe L i s t                                                  %
1159 %                                                                             %
1160 %                                                                             %
1161 %                                                                             %
1162 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1163 %
1164 %  NTLoadTypeLists() loads a Windows TrueType fonts.
1165 %
1166 %  The format of the NTLoadTypeLists method is:
1167 %
1168 %      MagickBooleanType NTLoadTypeLists(SplayTreeInfo *type_list)
1169 %
1170 %  A description of each parameter follows:
1171 %
1172 %    o type_list: A linked list of fonts.
1173 %
1174 */
1175 MagickPrivate MagickBooleanType NTLoadTypeLists(SplayTreeInfo *type_list,
1176   ExceptionInfo *exception)
1177 {
1178   HKEY
1179     reg_key = (HKEY) INVALID_HANDLE_VALUE;
1180
1181   LONG
1182     res;
1183
1184
1185   int
1186     list_entries = 0;
1187
1188   char
1189     buffer[MaxTextExtent],
1190     system_root[MaxTextExtent],
1191     font_root[MaxTextExtent];
1192
1193   DWORD
1194     type,
1195     system_root_length;
1196
1197   MagickBooleanType
1198     status;
1199
1200   /*
1201     Try to find the right Windows*\CurrentVersion key, the SystemRoot and
1202     then the Fonts key
1203   */
1204   res = RegOpenKeyExA (HKEY_LOCAL_MACHINE,
1205     "SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion", 0, KEY_READ, &reg_key);
1206   if (res == ERROR_SUCCESS) {
1207     system_root_length=sizeof(system_root)-1;
1208     res = RegQueryValueExA(reg_key,"SystemRoot",NULL, &type,
1209       (BYTE*) system_root, &system_root_length);
1210   }
1211   if (res != ERROR_SUCCESS) {
1212     res = RegOpenKeyExA (HKEY_LOCAL_MACHINE,
1213       "SOFTWARE\\Microsoft\\Windows\\CurrentVersion", 0, KEY_READ, &reg_key);
1214     if (res == ERROR_SUCCESS) {
1215       system_root_length=sizeof(system_root)-1;
1216       res = RegQueryValueExA(reg_key,"SystemRoot",NULL, &type,
1217         (BYTE*)system_root, &system_root_length);
1218     }
1219   }
1220   if (res == ERROR_SUCCESS)
1221     res = RegOpenKeyExA (reg_key, "Fonts",0, KEY_READ, &reg_key);
1222   if (res != ERROR_SUCCESS)
1223     return(MagickFalse);
1224   *font_root='\0';
1225   (void) CopyMagickString(buffer,system_root,MaxTextExtent);
1226   (void) ConcatenateMagickString(buffer,"\\fonts\\arial.ttf",MaxTextExtent);
1227   if (IsPathAccessible(buffer) != MagickFalse)
1228     {
1229       (void) CopyMagickString(font_root,system_root,MaxTextExtent);
1230       (void) ConcatenateMagickString(font_root,"\\fonts\\",MaxTextExtent);
1231     }
1232   else
1233     {
1234       (void) CopyMagickString(font_root,system_root,MaxTextExtent);
1235       (void) ConcatenateMagickString(font_root,"\\",MaxTextExtent);
1236     }
1237
1238   {
1239     TypeInfo
1240       *type_info;
1241
1242     DWORD
1243       registry_index = 0,
1244       type,
1245       value_data_size,
1246       value_name_length;
1247
1248     char
1249       value_data[MaxTextExtent],
1250       value_name[MaxTextExtent];
1251
1252     res = ERROR_SUCCESS;
1253
1254     while (res != ERROR_NO_MORE_ITEMS)
1255       {
1256         char
1257           *family_extent,
1258           token[MaxTextExtent],
1259           *pos,
1260           *q;
1261
1262         value_name_length = sizeof(value_name) - 1;
1263         value_data_size = sizeof(value_data) - 1;
1264         res = RegEnumValueA ( reg_key, registry_index, value_name,
1265           &value_name_length, 0, &type, (BYTE*)value_data, &value_data_size);
1266         registry_index++;
1267         if (res != ERROR_SUCCESS)
1268           continue;
1269         if ( (pos = strstr(value_name, " (TrueType)")) == (char*) NULL )
1270           continue;
1271         *pos='\0'; /* Remove (TrueType) from string */
1272
1273         type_info=(TypeInfo *) AcquireMagickMemory(sizeof(*type_info));
1274         if (type_info == (TypeInfo *) NULL)
1275           ThrowFatalException(ResourceLimitFatalError,"MemoryAllocationFailed");
1276         (void) ResetMagickMemory(type_info,0,sizeof(TypeInfo));
1277
1278         type_info->path=ConstantString("Windows Fonts");
1279         type_info->signature=MagickSignature;
1280
1281         /* Name */
1282         (void) CopyMagickString(buffer,value_name,MaxTextExtent);
1283         for(pos = buffer; *pos != 0 ; pos++)
1284           if (*pos == ' ')
1285             *pos = '-';
1286         type_info->name=ConstantString(buffer);
1287
1288         /* Fullname */
1289         type_info->description=ConstantString(value_name);
1290
1291         /* Format */
1292         type_info->format=ConstantString("truetype");
1293
1294         /* Glyphs */
1295         if (strchr(value_data,'\\') != (char *) NULL)
1296           (void) CopyMagickString(buffer,value_data,MaxTextExtent);
1297         else
1298           {
1299             (void) CopyMagickString(buffer,font_root,MaxTextExtent);
1300             (void) ConcatenateMagickString(buffer,value_data,MaxTextExtent);
1301           }
1302
1303         LocaleLower(buffer);
1304         type_info->glyphs=ConstantString(buffer);
1305
1306         type_info->stretch=NormalStretch;
1307         type_info->style=NormalStyle;
1308         type_info->weight=400;
1309
1310         /* Some fonts are known to require special encodings */
1311         if ( (LocaleCompare(type_info->name, "Symbol") == 0 ) ||
1312              (LocaleCompare(type_info->name, "Wingdings") == 0 ) ||
1313              (LocaleCompare(type_info->name, "Wingdings-2") == 0 ) ||
1314              (LocaleCompare(type_info->name, "Wingdings-3") == 0 ) )
1315           type_info->encoding=ConstantString("AppleRoman");
1316
1317         family_extent=value_name;
1318
1319         for (q=value_name; *q != '\0'; )
1320           {
1321             GetMagickToken(q,(const char **) &q,token);
1322             if (*token == '\0')
1323               break;
1324
1325             if (LocaleCompare(token,"Italic") == 0)
1326               {
1327                 type_info->style=ItalicStyle;
1328               }
1329
1330             else if (LocaleCompare(token,"Oblique") == 0)
1331               {
1332                 type_info->style=ObliqueStyle;
1333               }
1334
1335             else if (LocaleCompare(token,"Bold") == 0)
1336               {
1337                 type_info->weight=700;
1338               }
1339
1340             else if (LocaleCompare(token,"Thin") == 0)
1341               {
1342                 type_info->weight=100;
1343               }
1344
1345             else if ( (LocaleCompare(token,"ExtraLight") == 0) ||
1346                       (LocaleCompare(token,"UltraLight") == 0) )
1347               {
1348                 type_info->weight=200;
1349               }
1350
1351             else if (LocaleCompare(token,"Light") == 0)
1352               {
1353                 type_info->weight=300;
1354               }
1355
1356             else if ( (LocaleCompare(token,"Normal") == 0) ||
1357                       (LocaleCompare(token,"Regular") == 0) )
1358               {
1359                 type_info->weight=400;
1360               }
1361
1362             else if (LocaleCompare(token,"Medium") == 0)
1363               {
1364                 type_info->weight=500;
1365               }
1366
1367             else if ( (LocaleCompare(token,"SemiBold") == 0) ||
1368                       (LocaleCompare(token,"DemiBold") == 0) )
1369               {
1370                 type_info->weight=600;
1371               }
1372
1373             else if ( (LocaleCompare(token,"ExtraBold") == 0) ||
1374                       (LocaleCompare(token,"UltraBold") == 0) )
1375               {
1376                 type_info->weight=800;
1377               }
1378
1379             else if ( (LocaleCompare(token,"Heavy") == 0) ||
1380                       (LocaleCompare(token,"Black") == 0) )
1381               {
1382                 type_info->weight=900;
1383               }
1384
1385             else if (LocaleCompare(token,"Condensed") == 0)
1386               {
1387                 type_info->stretch = CondensedStretch;
1388               }
1389
1390             else if (LocaleCompare(token,"Expanded") == 0)
1391               {
1392                 type_info->stretch = ExpandedStretch;
1393               }
1394
1395             else if (LocaleCompare(token,"ExtraCondensed") == 0)
1396               {
1397                 type_info->stretch = ExtraCondensedStretch;
1398               }
1399
1400             else if (LocaleCompare(token,"ExtraExpanded") == 0)
1401               {
1402                 type_info->stretch = ExtraExpandedStretch;
1403               }
1404
1405             else if (LocaleCompare(token,"SemiCondensed") == 0)
1406               {
1407                 type_info->stretch = SemiCondensedStretch;
1408               }
1409
1410             else if (LocaleCompare(token,"SemiExpanded") == 0)
1411               {
1412                 type_info->stretch = SemiExpandedStretch;
1413               }
1414
1415             else if (LocaleCompare(token,"UltraCondensed") == 0)
1416               {
1417                 type_info->stretch = UltraCondensedStretch;
1418               }
1419
1420             else if (LocaleCompare(token,"UltraExpanded") == 0)
1421               {
1422                 type_info->stretch = UltraExpandedStretch;
1423               }
1424
1425             else
1426               {
1427                 family_extent=q;
1428               }
1429           }
1430
1431         (void) CopyMagickString(buffer,value_name,family_extent-value_name+1);
1432         StripString(buffer);
1433         type_info->family=ConstantString(buffer);
1434
1435         list_entries++;
1436         status=AddValueToSplayTree(type_list,ConstantString(type_info->name),
1437           type_info);
1438         if (status == MagickFalse)
1439           (void) ThrowMagickException(exception,GetMagickModule(),
1440             ResourceLimitError,"MemoryAllocationFailed","`%s'",type_info->name);
1441       }
1442   }
1443   RegCloseKey ( reg_key );
1444   return(MagickTrue);
1445 }
1446 \f
1447 /*
1448 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1449 %                                                                             %
1450 %                                                                             %
1451 %                                                                             %
1452 %   N T G h o s t s c r i p t D L L                                           %
1453 %                                                                             %
1454 %                                                                             %
1455 %                                                                             %
1456 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1457 %
1458 %  NTGhostscriptDLL() returns the path to the most recent Ghostscript version
1459 %  DLL.  The method returns TRUE on success otherwise FALSE.
1460 %
1461 %  The format of the NTGhostscriptDLL method is:
1462 %
1463 %      int NTGhostscriptDLL(char *path,int length)
1464 %
1465 %  A description of each parameter follows:
1466 %
1467 %    o path: return the Ghostscript DLL path here.
1468 %
1469 %    o length: the buffer length.
1470 %
1471 */
1472
1473 static int NTGetRegistryValue(HKEY root,const char *key,const char *name,
1474   char *value,int *length)
1475 {
1476   BYTE
1477     byte,
1478     *p;
1479
1480   DWORD
1481     extent,
1482     type;
1483
1484   HKEY
1485     hkey;
1486
1487   LONG
1488     status;
1489
1490   /*
1491     Get a registry value: key = root\\key, named value = name.
1492   */
1493   if (RegOpenKeyExA(root,key,0,KEY_READ,&hkey) != ERROR_SUCCESS)
1494     return(1);  /* no match */
1495   p=(BYTE *) value;
1496   type=REG_SZ;
1497   extent=(*length);
1498   if (p == (BYTE *) NULL)
1499     p=(&byte);  /* ERROR_MORE_DATA only if value is NULL */
1500   status=RegQueryValueExA(hkey,(char *) name,0,&type,p,&extent);
1501   RegCloseKey(hkey);
1502   if (status == ERROR_SUCCESS)
1503     {
1504       *length=extent;
1505       return(0);  /* return the match */
1506     }
1507   if (status == ERROR_MORE_DATA)
1508     {
1509       *length=extent;
1510       return(-1);  /* buffer not large enough */
1511     }
1512   return(1);  /* not found */
1513 }
1514
1515 static int NTLocateGhostscript(const char **product_family,int *major_version,
1516   int *minor_version)
1517 {
1518   int
1519     i;
1520
1521   MagickBooleanType
1522     status;
1523
1524   static const char
1525     *products[4] =
1526     {
1527       "GPL Ghostscript",
1528       "GNU Ghostscript",
1529       "AFPL Ghostscript",
1530       "Aladdin Ghostscript"
1531     };
1532
1533   /*
1534     Find the most recent version of Ghostscript.
1535   */
1536   status=FALSE;
1537   *product_family=NULL;
1538   *major_version=5;
1539   *minor_version=49; /* min version of Ghostscript is 5.50 */
1540   for (i=0; i < (ssize_t) (sizeof(products)/sizeof(products[0])); i++)
1541   {
1542     char
1543       key[MaxTextExtent];
1544
1545     HKEY
1546       hkey,
1547       root;
1548
1549     REGSAM
1550       mode;
1551
1552     (void) FormatLocaleString(key,MaxTextExtent,"SOFTWARE\\%s",products[i]);
1553     root=HKEY_LOCAL_MACHINE;
1554     mode=KEY_READ;
1555     if (RegOpenKeyExA(root,key,0,mode,&hkey) == ERROR_SUCCESS)
1556       {
1557         DWORD
1558           extent;
1559
1560         int
1561           j;
1562
1563         /*
1564           Now enumerate the keys.
1565         */
1566         extent=sizeof(key)/sizeof(char);
1567         for (j=0; RegEnumKeyA(hkey,j,key,extent) == ERROR_SUCCESS; j++)
1568         {
1569           int
1570             major,
1571             minor;
1572
1573           major=0;
1574           minor=0;
1575           if (sscanf(key,"%d.%d",&major,&minor) != 2)
1576             continue;
1577           if ((major > *major_version) || ((major == *major_version) &&
1578               (minor > *minor_version)))
1579             {
1580               *product_family=products[i];
1581               *major_version=major;
1582               *minor_version=minor;
1583               status=TRUE;
1584             }
1585        }
1586        (void) RegCloseKey(hkey);
1587      }
1588   }
1589   if (status == FALSE)
1590     {
1591       *major_version=0;
1592       *minor_version=0;
1593     }
1594   (void) LogMagickEvent(ConfigureEvent,GetMagickModule(),"Ghostscript (%s) "
1595     "version %d.%02d",*product_family,*major_version,*minor_version);
1596   return(status);
1597 }
1598
1599 static int NTGhostscriptGetString(const char *name,char *value,
1600   const size_t length)
1601 {
1602   char
1603     key[MaxTextExtent];
1604
1605   int
1606     i,
1607     extent;
1608
1609   static const char
1610     *product_family = (const char *) NULL;
1611
1612   static int
1613     major_version=0,
1614     minor_version=0;
1615
1616   struct
1617   {
1618     const HKEY
1619       hkey;
1620
1621     const char
1622       *name;
1623   }
1624   hkeys[2] =
1625   {
1626     { HKEY_CURRENT_USER,  "HKEY_CURRENT_USER"  },
1627     { HKEY_LOCAL_MACHINE, "HKEY_LOCAL_MACHINE" }
1628   };
1629
1630   /*
1631     Get a string from the installed Ghostscript.
1632   */
1633   *value='\0';
1634   if (product_family == NULL)
1635     (void) NTLocateGhostscript(&product_family,&major_version,&minor_version);
1636   if (product_family == NULL)
1637     return(FALSE);
1638   (void) FormatLocaleString(key,MaxTextExtent,"SOFTWARE\\%s\\%d.%02d",
1639     product_family,major_version,minor_version);
1640   for (i=0; i < (ssize_t) (sizeof(hkeys)/sizeof(hkeys[0])); i++)
1641   {
1642     extent=(int) length;
1643     if (NTGetRegistryValue(hkeys[i].hkey,key,name,value,&extent) == 0)
1644       {
1645         (void) LogMagickEvent(ConfigureEvent,GetMagickModule(),
1646           "registry: \"%s\\%s\\%s\"=\"%s\"",hkeys[i].name,key,name,value);
1647         return(TRUE);
1648       }
1649     (void) LogMagickEvent(ConfigureEvent,GetMagickModule(),
1650       "registry: \"%s\\%s\\%s\" (failed)",hkeys[i].name,key,name);
1651   }
1652   return(FALSE);
1653 }
1654
1655 MagickPrivate int NTGhostscriptDLL(char *path,int length)
1656 {
1657   static char
1658     dll[MaxTextExtent] = { "" };
1659
1660   *path='\0';
1661   if ((*dll == '\0') &&
1662       (NTGhostscriptGetString("GS_DLL",dll,sizeof(dll)) == FALSE))
1663     return(FALSE);
1664   (void) CopyMagickString(path,dll,length);
1665   return(TRUE);
1666 }
1667 \f
1668 /*
1669 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1670 %                                                                             %
1671 %                                                                             %
1672 %                                                                             %
1673 %   N T G h o s t s c r i p t D L L V e c t o r s                             %
1674 %                                                                             %
1675 %                                                                             %
1676 %                                                                             %
1677 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1678 %
1679 %  NTGhostscriptDLLVectors() returns a GhostInfo structure that includes
1680 %  function vectors to invoke Ghostscript DLL functions. A null pointer is
1681 %  returned if there is an error when loading the DLL or retrieving the
1682 %  function vectors.
1683 %
1684 %  The format of the NTGhostscriptDLLVectors method is:
1685 %
1686 %      const GhostInfo *NTGhostscriptDLLVectors(void)
1687 %
1688 */
1689 MagickExport const GhostInfo *NTGhostscriptDLLVectors(void)
1690 {
1691   if (NTGhostscriptLoadDLL() == FALSE)
1692     return((GhostInfo *) NULL);
1693   return(&ghost_info);
1694 }
1695 \f
1696 /*
1697 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1698 %                                                                             %
1699 %                                                                             %
1700 %                                                                             %
1701 %   N T G h o s t s c r i p t E X E                                           %
1702 %                                                                             %
1703 %                                                                             %
1704 %                                                                             %
1705 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1706 %
1707 %  NTGhostscriptEXE() obtains the path to the latest Ghostscript executable.
1708 %  The method returns FALSE if a full path value is not obtained and returns
1709 %  a default path of gswin32c.exe.
1710 %
1711 %  The format of the NTGhostscriptEXE method is:
1712 %
1713 %      int NTGhostscriptEXE(char *path,int length)
1714 %
1715 %  A description of each parameter follows:
1716 %
1717 %    o path: return the Ghostscript executable path here.
1718 %
1719 %    o length: length of buffer.
1720 %
1721 */
1722 MagickPrivate int NTGhostscriptEXE(char *path,int length)
1723 {
1724   register char
1725     *p;
1726
1727   static char
1728     program[MaxTextExtent] = { "" };
1729
1730   (void) CopyMagickString(path,"gswin32c.exe",length);
1731   if ((*program == '\0') &&
1732       (NTGhostscriptGetString("GS_DLL",program,sizeof(program)) == FALSE))
1733     return(FALSE);
1734   p=strrchr(program,'\\');
1735   if (p != (char *) NULL)
1736     {
1737       p++;
1738       *p='\0';
1739       (void) ConcatenateMagickString(program,"gswin32c.exe",sizeof(program));
1740     }
1741   (void) CopyMagickString(path,program,length);
1742   return(TRUE);
1743 }
1744 \f
1745 /*
1746 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1747 %                                                                             %
1748 %                                                                             %
1749 %                                                                             %
1750 %   N T G h o s t s c r i p t F o n t s                                       %
1751 %                                                                             %
1752 %                                                                             %
1753 %                                                                             %
1754 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1755 %
1756 %  NTGhostscriptFonts() obtains the path to the Ghostscript fonts.  The method
1757 %  returns FALSE if it cannot determine the font path.
1758 %
1759 %  The format of the NTGhostscriptFonts method is:
1760 %
1761 %      int NTGhostscriptFonts(char *path, int length)
1762 %
1763 %  A description of each parameter follows:
1764 %
1765 %    o path: return the font path here.
1766 %
1767 %    o length: length of the path buffer.
1768 %
1769 */
1770 MagickPrivate int NTGhostscriptFonts(char *path,int length)
1771 {
1772   char
1773     buffer[MaxTextExtent],
1774     filename[MaxTextExtent];
1775
1776   register char
1777     *p,
1778     *q;
1779
1780   *path='\0';
1781   if (NTGhostscriptGetString("GS_LIB",buffer,MaxTextExtent) == FALSE)
1782     return(FALSE);
1783   for (p=buffer-1; p != (char *) NULL; p=strchr(p+1,DirectoryListSeparator))
1784   {
1785     (void) CopyMagickString(path,p+1,length+1);
1786     q=strchr(path,DirectoryListSeparator);
1787     if (q != (char *) NULL)
1788       *q='\0';
1789     (void) FormatLocaleString(filename,MaxTextExtent,"%s%sfonts.dir",path,
1790       DirectorySeparator);
1791     if (IsPathAccessible(filename) != MagickFalse)
1792       return(TRUE);
1793   }
1794   return(FALSE);
1795 }
1796 \f
1797 /*
1798 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1799 %                                                                             %
1800 %                                                                             %
1801 %                                                                             %
1802 %   N T G h o s t s c r i p t L o a d D L L                                   %
1803 %                                                                             %
1804 %                                                                             %
1805 %                                                                             %
1806 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1807 %
1808 %  NTGhostscriptLoadDLL() attempts to load the Ghostscript DLL and returns
1809 %  TRUE if it succeeds.
1810 %
1811 %  The format of the NTGhostscriptLoadDLL method is:
1812 %
1813 %      int NTGhostscriptLoadDLL(void)
1814 %
1815 */
1816 MagickPrivate int NTGhostscriptLoadDLL(void)
1817 {
1818   char
1819     path[MaxTextExtent];
1820
1821   if (ghost_handle != (void *) NULL)
1822     return(TRUE);
1823   if (NTGhostscriptDLL(path,sizeof(path)) == FALSE)
1824     return(FALSE);
1825   ghost_handle=lt_dlopen(path);
1826   if (ghost_handle == (void *) NULL)
1827     return(FALSE);
1828   (void) ResetMagickMemory((void *) &ghost_info,0,sizeof(GhostInfo));
1829   ghost_info.exit=(int (MagickDLLCall *)(gs_main_instance*))
1830     lt_dlsym(ghost_handle,"gsapi_exit");
1831   ghost_info.init_with_args=(int (MagickDLLCall *)(gs_main_instance *,int,
1832     char **)) (lt_dlsym(ghost_handle,"gsapi_init_with_args"));
1833   ghost_info.new_instance=(int (MagickDLLCall *)(gs_main_instance **,void *)) (
1834     lt_dlsym(ghost_handle,"gsapi_new_instance"));
1835   ghost_info.run_string=(int (MagickDLLCall *)(gs_main_instance *,const char *,
1836     int,int *)) (lt_dlsym(ghost_handle,"gsapi_run_string"));
1837   ghost_info.delete_instance=(void (MagickDLLCall *) (gs_main_instance *)) (
1838     lt_dlsym(ghost_handle,"gsapi_delete_instance"));
1839   if ((ghost_info.exit == NULL) || (ghost_info.init_with_args == NULL) ||
1840       (ghost_info.new_instance == NULL) || (ghost_info.run_string == NULL) ||
1841       (ghost_info.delete_instance == NULL))
1842     return(FALSE);
1843   return(TRUE);
1844 }
1845 \f
1846 /*
1847 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1848 %                                                                             %
1849 %                                                                             %
1850 %                                                                             %
1851 %   N T G h o s t s c r i p t U n L o a d D L L                               %
1852 %                                                                             %
1853 %                                                                             %
1854 %                                                                             %
1855 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1856 %
1857 %  NTGhostscriptUnLoadDLL() unloads the Ghostscript DLL and returns TRUE if
1858 %  it succeeds.
1859 %
1860 %  The format of the NTGhostscriptUnLoadDLL method is:
1861 %
1862 %      int NTGhostscriptUnLoadDLL(void)
1863 %
1864 */
1865 MagickExport int NTGhostscriptUnLoadDLL(void)
1866 {
1867   int
1868     status;
1869
1870   if (ghost_handle == (void *) NULL)
1871     return(FALSE);
1872   status=lt_dlclose(ghost_handle);
1873   ghost_handle=(void *) NULL;
1874   (void) ResetMagickMemory((void *) &ghost_info,0,sizeof(GhostInfo));
1875   return(status);
1876 }
1877 \f
1878 /*
1879 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1880 %                                                                             %
1881 %                                                                             %
1882 %                                                                             %
1883 %   N T I n i t i a l i z e L i b r a r y                                     %
1884 %                                                                             %
1885 %                                                                             %
1886 %                                                                             %
1887 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1888 %
1889 %  NTInitializeLibrary() initializes the dynamic module loading subsystem.
1890 %
1891 %  The format of the NTInitializeLibrary method is:
1892 %
1893 %      int NTInitializeLibrary(void)
1894 %
1895 */
1896 MagickPrivate int NTInitializeLibrary(void)
1897 {
1898   return(0);
1899 }
1900 \f
1901 /*
1902 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1903 %                                                                             %
1904 %                                                                             %
1905 %                                                                             %
1906 %   N T I s M a g i c k C o n f l i c t                                       %
1907 %                                                                             %
1908 %                                                                             %
1909 %                                                                             %
1910 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1911 %
1912 %  NTIsMagickConflict() returns true if the image format conflicts with a
1913 %  logical drive (.e.g. X:).
1914 %
1915 %  The format of the IsMagickConflict method is:
1916 %
1917 %      MagickBooleanType IsMagickConflict(const char *magick)
1918 %
1919 %  A description of each parameter follows:
1920 %
1921 %    o magick: Specifies the image format.
1922 %
1923 */
1924 MagickPrivate MagickBooleanType NTIsMagickConflict(const char *magick)
1925 {
1926   MagickBooleanType
1927     status;
1928
1929   assert(magick != (char *) NULL);
1930   if (strlen(magick) > 1)
1931     return(MagickFalse);
1932   status=(GetLogicalDrives() & (1 << ((toupper((int) (*magick)))-'A'))) != 0 ?
1933     MagickTrue : MagickFalse;
1934   return(status);
1935 }
1936 \f
1937 /*
1938 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1939 %                                                                             %
1940 %                                                                             %
1941 %                                                                             %
1942 +  N T M a p M e m o r y                                                      %
1943 %                                                                             %
1944 %                                                                             %
1945 %                                                                             %
1946 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1947 %
1948 %  Mmap() emulates the Unix method of the same name.
1949 %
1950 %  The format of the NTMapMemory method is:
1951 %
1952 %    MagickPrivate void *NTMapMemory(char *address,size_t length,int protection,
1953 %      int access,int file,MagickOffsetType offset)
1954 %
1955 */
1956 MagickPrivate void *NTMapMemory(char *address,size_t length,int protection,
1957   int flags,int file,MagickOffsetType offset)
1958 {
1959   DWORD
1960     access_mode,
1961     high_length,
1962     high_offset,
1963     low_length,
1964     low_offset,
1965     protection_mode;
1966
1967   HANDLE
1968     file_handle,
1969     map_handle;
1970
1971   void
1972     *map;
1973
1974   (void) address;
1975   access_mode=0;
1976   file_handle=INVALID_HANDLE_VALUE;
1977   low_length=(DWORD) (length & 0xFFFFFFFFUL);
1978   high_length=(DWORD) ((((MagickOffsetType) length) >> 32) & 0xFFFFFFFFUL);
1979   map_handle=INVALID_HANDLE_VALUE;
1980   map=(void *) NULL;
1981   low_offset=(DWORD) (offset & 0xFFFFFFFFUL);
1982   high_offset=(DWORD) ((offset >> 32) & 0xFFFFFFFFUL);
1983   protection_mode=0;
1984   if (protection & PROT_WRITE)
1985     {
1986       access_mode=FILE_MAP_WRITE;
1987       if (!(flags & MAP_PRIVATE))
1988         protection_mode=PAGE_READWRITE;
1989       else
1990         {
1991           access_mode=FILE_MAP_COPY;
1992           protection_mode=PAGE_WRITECOPY;
1993         }
1994     }
1995   else
1996     if (protection & PROT_READ)
1997       {
1998         access_mode=FILE_MAP_READ;
1999         protection_mode=PAGE_READONLY;
2000       }
2001   if ((file == -1) && (flags & MAP_ANONYMOUS))
2002     file_handle=INVALID_HANDLE_VALUE;
2003   else
2004     file_handle=(HANDLE) _get_osfhandle(file);
2005   map_handle=CreateFileMapping(file_handle,0,protection_mode,high_length,
2006     low_length,0);
2007   if (map_handle)
2008     {
2009       map=(void *) MapViewOfFile(map_handle,access_mode,high_offset,low_offset,
2010         length);
2011       CloseHandle(map_handle);
2012     }
2013   if (map == (void *) NULL)
2014     return((void *) MAP_FAILED);
2015   return((void *) ((char *) map));
2016 }
2017 \f
2018 /*
2019 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2020 %                                                                             %
2021 %                                                                             %
2022 %                                                                             %
2023 %   N T O p e n D i r e c t o r y                                             %
2024 %                                                                             %
2025 %                                                                             %
2026 %                                                                             %
2027 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2028 %
2029 %  NTOpenDirectory() opens the directory named by filename and associates a
2030 %  directory stream with it.
2031 %
2032 %  The format of the NTOpenDirectory method is:
2033 %
2034 %      DIR *NTOpenDirectory(const char *path)
2035 %
2036 %  A description of each parameter follows:
2037 %
2038 %    o entry: Specifies a pointer to a DIR structure.
2039 %
2040 */
2041 MagickPrivate DIR *NTOpenDirectory(const char *path)
2042 {
2043   char
2044     file_specification[MaxTextExtent];
2045
2046   DIR
2047     *entry;
2048
2049   size_t
2050     length;
2051
2052   assert(path != (const char *) NULL);
2053   length=CopyMagickString(file_specification,path,MaxTextExtent);
2054   if (length >= (MaxTextExtent-1))
2055     return((DIR *) NULL);
2056   length=ConcatenateMagickString(file_specification,DirectorySeparator,
2057     MaxTextExtent);
2058   if (length >= (MaxTextExtent-1))
2059     return((DIR *) NULL);
2060   entry=(DIR *) AcquireMagickMemory(sizeof(DIR));
2061   if (entry != (DIR *) NULL)
2062     {
2063       entry->firsttime=TRUE;
2064       entry->hSearch=FindFirstFile(file_specification,&entry->Win32FindData);
2065     }
2066   if (entry->hSearch == INVALID_HANDLE_VALUE)
2067     {
2068       length=ConcatenateMagickString(file_specification,"\\*.*",MaxTextExtent);
2069       if (length >= (MaxTextExtent-1))
2070         {
2071           entry=(DIR *) RelinquishMagickMemory(entry);
2072           return((DIR *) NULL);
2073         }
2074       entry->hSearch=FindFirstFile(file_specification,&entry->Win32FindData);
2075       if (entry->hSearch == INVALID_HANDLE_VALUE)
2076         {
2077           entry=(DIR *) RelinquishMagickMemory(entry);
2078           return((DIR *) NULL);
2079         }
2080     }
2081   return(entry);
2082 }
2083 \f
2084 /*
2085 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2086 %                                                                             %
2087 %                                                                             %
2088 %                                                                             %
2089 %   N T O p e n L i b r a r y                                                 %
2090 %                                                                             %
2091 %                                                                             %
2092 %                                                                             %
2093 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2094 %
2095 %  NTOpenLibrary() loads a dynamic module into memory and returns a handle that
2096 %  can be used to access the various procedures in the module.
2097 %
2098 %  The format of the NTOpenLibrary method is:
2099 %
2100 %      void *NTOpenLibrary(const char *filename)
2101 %
2102 %  A description of each parameter follows:
2103 %
2104 %    o path: Specifies a pointer to string representing dynamic module that
2105 %      is to be loaded.
2106 %
2107 */
2108
2109 static const char *GetSearchPath( void )
2110 {
2111 #if defined(MAGICKCORE_LTDL_DELEGATE)
2112   return(lt_dlgetsearchpath());
2113 #else
2114   return(lt_slsearchpath);
2115 #endif
2116 }
2117
2118 MagickPrivate void *NTOpenLibrary(const char *filename)
2119 {
2120 #define MaxPathElements  31
2121
2122   char
2123     buffer[MaxTextExtent];
2124
2125   int
2126     index;
2127
2128   register const char
2129     *p,
2130     *q;
2131
2132   register int
2133     i;
2134
2135   UINT
2136     mode;
2137
2138   void
2139     *handle;
2140
2141   mode=SetErrorMode(SEM_FAILCRITICALERRORS | SEM_NOOPENFILEERRORBOX);
2142   handle=(void *) LoadLibraryEx(filename,NULL,LOAD_WITH_ALTERED_SEARCH_PATH);
2143   if ((handle != (void *) NULL) || (GetSearchPath() == (char *) NULL))
2144     {
2145       SetErrorMode(mode);
2146       return(handle);
2147     }
2148   p=(char *) GetSearchPath();
2149   index=0;
2150   while (index < MaxPathElements)
2151   {
2152     q=strchr(p,DirectoryListSeparator);
2153     if (q == (char *) NULL)
2154       {
2155         (void) CopyMagickString(buffer,p,MaxTextExtent);
2156         (void) ConcatenateMagickString(buffer,"\\",MaxTextExtent);
2157         (void) ConcatenateMagickString(buffer,filename,MaxTextExtent);
2158         handle=(void *) LoadLibraryEx(buffer,NULL,
2159           LOAD_WITH_ALTERED_SEARCH_PATH);
2160         break;
2161       }
2162     i=q-p;
2163     (void) CopyMagickString(buffer,p,i+1);
2164     (void) ConcatenateMagickString(buffer,"\\",MaxTextExtent);
2165     (void) ConcatenateMagickString(buffer,filename,MaxTextExtent);
2166     handle=(void *) LoadLibraryEx(buffer,NULL,LOAD_WITH_ALTERED_SEARCH_PATH);
2167     if (handle != (void *) NULL)
2168       break;
2169     p=q+1;
2170   }
2171   SetErrorMode(mode);
2172   return(handle);
2173 }
2174 \f
2175 /*
2176 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2177 %                                                                             %
2178 %                                                                             %
2179 %                                                                             %
2180 %    N T R e a d D i r e c t o r y                                            %
2181 %                                                                             %
2182 %                                                                             %
2183 %                                                                             %
2184 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2185 %
2186 %  NTReadDirectory() returns a pointer to a structure representing the
2187 %  directory entry at the current position in the directory stream to which
2188 %  entry refers.
2189 %
2190 %  The format of the NTReadDirectory
2191 %
2192 %      NTReadDirectory(entry)
2193 %
2194 %  A description of each parameter follows:
2195 %
2196 %    o entry: Specifies a pointer to a DIR structure.
2197 %
2198 */
2199 MagickPrivate struct dirent *NTReadDirectory(DIR *entry)
2200 {
2201   int
2202     status;
2203
2204   size_t
2205     length;
2206
2207   if (entry == (DIR *) NULL)
2208     return((struct dirent *) NULL);
2209   if (!entry->firsttime)
2210     {
2211       status=FindNextFile(entry->hSearch,&entry->Win32FindData);
2212       if (status == 0)
2213         return((struct dirent *) NULL);
2214     }
2215   length=CopyMagickString(entry->file_info.d_name,
2216     entry->Win32FindData.cFileName,sizeof(entry->file_info.d_name));
2217   if (length >= sizeof(entry->file_info.d_name))
2218     return((struct dirent *) NULL);
2219   entry->firsttime=FALSE;
2220   entry->file_info.d_namlen=(int) strlen(entry->file_info.d_name);
2221   return(&entry->file_info);
2222 }
2223 \f
2224 /*
2225 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2226 %                                                                             %
2227 %                                                                             %
2228 %                                                                             %
2229 %   N T R e g i s t r y K e y L o o k u p                                     %
2230 %                                                                             %
2231 %                                                                             %
2232 %                                                                             %
2233 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2234 %
2235 %  NTRegistryKeyLookup() returns ImageMagick installation path settings
2236 %  stored in the Windows Registry.  Path settings are specific to the
2237 %  installed ImageMagick version so that multiple Image Magick installations
2238 %  may coexist.
2239 %
2240 %  Values are stored in the registry under a base path path similar to
2241 %  "HKEY_LOCAL_MACHINE/SOFTWARE\ImageMagick\5.5.7\Q:16". The provided subkey
2242 %  is appended to this base path to form the full key.
2243 %
2244 %  The format of the NTRegistryKeyLookup method is:
2245 %
2246 %      unsigned char *NTRegistryKeyLookup(const char *subkey)
2247 %
2248 %  A description of each parameter follows:
2249 %
2250 %    o subkey: Specifies a string that identifies the registry object.
2251 %      Currently supported sub-keys include: "BinPath", "ConfigurePath",
2252 %      "LibPath", "CoderModulesPath", "FilterModulesPath", "SharePath".
2253 %
2254 */
2255 MagickPrivate unsigned char *NTRegistryKeyLookup(const char *subkey)
2256 {
2257   char
2258     package_key[MaxTextExtent];
2259
2260   DWORD
2261     size,
2262     type;
2263
2264   HKEY
2265     registry_key;
2266
2267   LONG
2268     status;
2269
2270   unsigned char
2271     *value;
2272
2273   /*
2274     Look-up base key.
2275   */
2276   (void) FormatLocaleString(package_key,MaxTextExtent,"SOFTWARE\\%s\\%s\\Q:%d",
2277     MagickPackageName,MagickLibVersionText,MAGICKCORE_QUANTUM_DEPTH);
2278   (void) LogMagickEvent(ConfigureEvent,GetMagickModule(),"%s",package_key);
2279   registry_key=(HKEY) INVALID_HANDLE_VALUE;
2280   status=RegOpenKeyExA(HKEY_LOCAL_MACHINE,package_key,0,KEY_READ,&registry_key);
2281   if (status != ERROR_SUCCESS)
2282     {
2283       registry_key=(HKEY) INVALID_HANDLE_VALUE;
2284       return((unsigned char *) NULL);
2285     }
2286   /*
2287     Look-up sub key.
2288   */
2289   size=32;
2290   value=(unsigned char *) AcquireQuantumMemory(size,sizeof(*value));
2291   if (value == (unsigned char *) NULL)
2292     {
2293       RegCloseKey(registry_key);
2294       return((unsigned char *) NULL);
2295     }
2296   (void) LogMagickEvent(ConfigureEvent,GetMagickModule(),"%s",subkey);
2297   status=RegQueryValueExA(registry_key,subkey,0,&type,value,&size);
2298   if ((status == ERROR_MORE_DATA) && (type == REG_SZ))
2299     {
2300       value=(unsigned char *) ResizeQuantumMemory(value,size,sizeof(*value));
2301       if (value == (BYTE *) NULL)
2302         {
2303           RegCloseKey(registry_key);
2304           return((unsigned char *) NULL);
2305         }
2306       status=RegQueryValueExA(registry_key,subkey,0,&type,value,&size);
2307     }
2308   RegCloseKey(registry_key);
2309   if ((type != REG_SZ) || (status != ERROR_SUCCESS))
2310     value=(unsigned char *) RelinquishMagickMemory(value);
2311   return((unsigned char *) value);
2312 }
2313 \f
2314 /*
2315 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2316 %                                                                             %
2317 %                                                                             %
2318 %                                                                             %
2319 %   N T R e p o r t E v e n t                                                 %
2320 %                                                                             %
2321 %                                                                             %
2322 %                                                                             %
2323 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2324 %
2325 %  NTReportEvent() reports an event.
2326 %
2327 %  The format of the NTReportEvent method is:
2328 %
2329 %      MagickBooleanType NTReportEvent(const char *event,
2330 %        const MagickBooleanType error)
2331 %
2332 %  A description of each parameter follows:
2333 %
2334 %    o event: the event.
2335 %
2336 %    o error: MagickTrue the event is an error.
2337 %
2338 */
2339 MagickPrivate MagickBooleanType NTReportEvent(const char *event,
2340   const MagickBooleanType error)
2341 {
2342   const char
2343     *events[1];
2344
2345   HANDLE
2346     handle;
2347
2348   WORD
2349     type;
2350
2351   handle=RegisterEventSource(NULL,MAGICKCORE_PACKAGE_NAME);
2352   if (handle == NULL)
2353     return(MagickFalse);
2354   events[0]=event;
2355   type=error ? EVENTLOG_ERROR_TYPE : EVENTLOG_WARNING_TYPE;
2356   ReportEvent(handle,type,0,0,NULL,1,0,events,NULL);
2357   DeregisterEventSource(handle);
2358   return(MagickTrue);
2359 }
2360 \f
2361 /*
2362 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2363 %                                                                             %
2364 %                                                                             %
2365 %                                                                             %
2366 %   N T R e s o u r c e T o B l o b                                           %
2367 %                                                                             %
2368 %                                                                             %
2369 %                                                                             %
2370 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2371 %
2372 %  NTResourceToBlob() returns a blob containing the contents of the resource
2373 %  in the current executable specified by the id parameter. This currently
2374 %  used to retrieve MGK files tha have been embedded into the various command
2375 %  line utilities.
2376 %
2377 %  The format of the NTResourceToBlob method is:
2378 %
2379 %      unsigned char *NTResourceToBlob(const char *id)
2380 %
2381 %  A description of each parameter follows:
2382 %
2383 %    o id: Specifies a string that identifies the resource.
2384 %
2385 */
2386 MagickPrivate unsigned char *NTResourceToBlob(const char *id)
2387 {
2388   char
2389     path[MaxTextExtent];
2390
2391   DWORD
2392     length;
2393
2394   HGLOBAL
2395     global;
2396
2397   HMODULE
2398     handle;
2399
2400   HRSRC
2401     resource;
2402
2403   unsigned char
2404     *blob,
2405     *value;
2406
2407   assert(id != (const char *) NULL);
2408   (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",id);
2409   (void) FormatLocaleString(path,MaxTextExtent,"%s%s%s",GetClientPath(),
2410     DirectorySeparator,GetClientName());
2411   if (IsPathAccessible(path) != MagickFalse)
2412     handle=GetModuleHandle(path);
2413   else
2414     handle=GetModuleHandle(0);
2415   if (!handle)
2416     return((unsigned char *) NULL);
2417   resource=FindResource(handle,id,"IMAGEMAGICK");
2418   if (!resource)
2419     return((unsigned char *) NULL);
2420   global=LoadResource(handle,resource);
2421   if (!global)
2422     return((unsigned char *) NULL);
2423   length=SizeofResource(handle,resource);
2424   value=(unsigned char *) LockResource(global);
2425   if (!value)
2426     {
2427       FreeResource(global);
2428       return((unsigned char *) NULL);
2429     }
2430   blob=(unsigned char *) AcquireQuantumMemory(length+MaxTextExtent,
2431     sizeof(*blob));
2432   if (blob != (unsigned char *) NULL)
2433     {
2434       (void) CopyMagickMemory(blob,value,length);
2435       blob[length]='\0';
2436     }
2437   UnlockResource(global);
2438   FreeResource(global);
2439   return(blob);
2440 }
2441 \f
2442 /*
2443 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2444 %                                                                             %
2445 %                                                                             %
2446 %                                                                             %
2447 %   N T S e e k D i r e c t o r y                                             %
2448 %                                                                             %
2449 %                                                                             %
2450 %                                                                             %
2451 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2452 %
2453 %  NTSeekDirectory() sets the position of the next NTReadDirectory() operation
2454 %  on the directory stream.
2455 %
2456 %  The format of the NTSeekDirectory method is:
2457 %
2458 %      void NTSeekDirectory(DIR *entry,ssize_t position)
2459 %
2460 %  A description of each parameter follows:
2461 %
2462 %    o entry: Specifies a pointer to a DIR structure.
2463 %
2464 %    o position: specifies the position associated with the directory
2465 %      stream.
2466 %
2467 */
2468 MagickPrivate void NTSeekDirectory(DIR *entry,ssize_t position)
2469 {
2470   (void) position;
2471   (void) LogMagickEvent(TraceEvent,GetMagickModule(),"...");
2472   assert(entry != (DIR *) NULL);
2473 }
2474 \f
2475 /*
2476 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2477 %                                                                             %
2478 %                                                                             %
2479 %                                                                             %
2480 %   N T S e t S e a r c h P a t h                                             %
2481 %                                                                             %
2482 %                                                                             %
2483 %                                                                             %
2484 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2485 %
2486 %  NTSetSearchPath() sets the current locations that the subsystem should
2487 %  look at to find dynamically loadable modules.
2488 %
2489 %  The format of the NTSetSearchPath method is:
2490 %
2491 %      int NTSetSearchPath(const char *path)
2492 %
2493 %  A description of each parameter follows:
2494 %
2495 %    o path: Specifies a pointer to string representing the search path
2496 %      for DLL's that can be dynamically loaded.
2497 %
2498 */
2499 MagickPrivate int NTSetSearchPath(const char *path)
2500 {
2501 #if defined(MAGICKCORE_LTDL_DELEGATE)
2502   lt_dlsetsearchpath(path);
2503 #else
2504   if (lt_slsearchpath != (char *) NULL)
2505     lt_slsearchpath=DestroyString(lt_slsearchpath);
2506   if (path != (char *) NULL)
2507     lt_slsearchpath=AcquireString(path);
2508 #endif
2509   return(0);
2510 }
2511 \f
2512 /*
2513 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2514 %                                                                             %
2515 %                                                                             %
2516 %                                                                             %
2517 +  N T S y n c M e m o r y                                                    %
2518 %                                                                             %
2519 %                                                                             %
2520 %                                                                             %
2521 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2522 %
2523 %  NTSyncMemory() emulates the Unix method of the same name.
2524 %
2525 %  The format of the NTSyncMemory method is:
2526 %
2527 %      int NTSyncMemory(void *address,size_t length,int flags)
2528 %
2529 %  A description of each parameter follows:
2530 %
2531 %    o address: the address of the binary large object.
2532 %
2533 %    o length: the length of the binary large object.
2534 %
2535 %    o flags: Option flags (ignored for Windows).
2536 %
2537 */
2538 MagickPrivate int NTSyncMemory(void *address,size_t length,int flags)
2539 {
2540   (void) flags;
2541   if (FlushViewOfFile(address,length) == MagickFalse)
2542     return(-1);
2543   return(0);
2544 }
2545 \f
2546 /*
2547 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2548 %                                                                             %
2549 %                                                                             %
2550 %                                                                             %
2551 %   N T S y s t e m C o m m a n d                                             %
2552 %                                                                             %
2553 %                                                                             %
2554 %                                                                             %
2555 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2556 %
2557 %  NTSystemCommand() executes the specified command and waits until it
2558 %  terminates.  The returned value is the exit status of the command.
2559 %
2560 %  The format of the NTSystemCommand method is:
2561 %
2562 %      int NTSystemCommand(MagickFalse,const char *command)
2563 %
2564 %  A description of each parameter follows:
2565 %
2566 %    o command: This string is the command to execute.
2567 %
2568 */
2569 MagickPrivate int NTSystemCommand(const char *command)
2570 {
2571   char
2572     local_command[MaxTextExtent];
2573
2574   DWORD
2575     child_status;
2576
2577   int
2578     status;
2579
2580   MagickBooleanType
2581     background_process;
2582
2583   PROCESS_INFORMATION
2584     process_info;
2585
2586   STARTUPINFO
2587     startup_info;
2588
2589   if (command == (char *) NULL)
2590     return(-1);
2591   GetStartupInfo(&startup_info);
2592   startup_info.dwFlags=STARTF_USESHOWWINDOW;
2593   startup_info.wShowWindow=SW_SHOWMINNOACTIVE;
2594   (void) CopyMagickString(local_command,command,MaxTextExtent);
2595   background_process=command[strlen(command)-1] == '&' ? MagickTrue :
2596     MagickFalse;
2597   if (background_process)
2598     local_command[strlen(command)-1]='\0';
2599   if (command[strlen(command)-1] == '|')
2600      local_command[strlen(command)-1]='\0';
2601    else
2602      startup_info.wShowWindow=SW_SHOWDEFAULT;
2603   status=CreateProcess((LPCTSTR) NULL,local_command,
2604     (LPSECURITY_ATTRIBUTES) NULL,(LPSECURITY_ATTRIBUTES) NULL,(BOOL) FALSE,
2605     (DWORD) NORMAL_PRIORITY_CLASS,(LPVOID) NULL,(LPCSTR) NULL,&startup_info,
2606     &process_info);
2607   if (status == 0)
2608     return(-1);
2609   if (background_process)
2610     return(status == 0);
2611   status=WaitForSingleObject(process_info.hProcess,INFINITE);
2612   if (status != WAIT_OBJECT_0)
2613     return(status);
2614   status=GetExitCodeProcess(process_info.hProcess,&child_status);
2615   if (status == 0)
2616     return(-1);
2617   CloseHandle(process_info.hProcess);
2618   CloseHandle(process_info.hThread);
2619   return((int) child_status);
2620 }
2621 \f
2622 /*
2623 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2624 %                                                                             %
2625 %                                                                             %
2626 %                                                                             %
2627 %   N T S y s t e m C o n i f i g u r a t i o n                               %
2628 %                                                                             %
2629 %                                                                             %
2630 %                                                                             %
2631 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2632 %
2633 %  NTSystemConfiguration() provides a way for the application to determine
2634 %  values for system limits or options at runtime.
2635 %
2636 %  The format of the exit method is:
2637 %
2638 %      ssize_t NTSystemConfiguration(int name)
2639 %
2640 %  A description of each parameter follows:
2641 %
2642 %    o name: _SC_PAGE_SIZE or _SC_PHYS_PAGES.
2643 %
2644 */
2645 MagickPrivate ssize_t NTSystemConfiguration(int name)
2646 {
2647   switch (name)
2648   {
2649     case _SC_PAGESIZE:
2650     {
2651       SYSTEM_INFO
2652         system_info;
2653
2654       GetSystemInfo(&system_info);
2655       return(system_info.dwPageSize);
2656     }
2657     case _SC_PHYS_PAGES:
2658     {
2659       HMODULE
2660         handle;
2661
2662       LPFNDLLFUNC2
2663         module;
2664
2665       NTMEMORYSTATUSEX
2666         status;
2667
2668       SYSTEM_INFO
2669         system_info;
2670
2671       handle=GetModuleHandle("kernel32.dll");
2672       if (handle == (HMODULE) NULL)
2673         return(0L);
2674       GetSystemInfo(&system_info);
2675       module=(LPFNDLLFUNC2) NTGetLibrarySymbol(handle,"GlobalMemoryStatusEx");
2676       if (module == (LPFNDLLFUNC2) NULL)
2677         {
2678           MEMORYSTATUS
2679             status;
2680
2681           GlobalMemoryStatus(&status);
2682           return((ssize_t) status.dwTotalPhys/system_info.dwPageSize);
2683         }
2684       status.dwLength=sizeof(status);
2685       if (module(&status) == 0)
2686         return(0L);
2687       return((ssize_t) status.ullTotalPhys/system_info.dwPageSize);
2688     }
2689     case _SC_OPEN_MAX:
2690       return(2048);
2691     default:
2692       break;
2693   }
2694   return(-1);
2695 }
2696 \f
2697 /*
2698 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2699 %                                                                             %
2700 %                                                                             %
2701 %                                                                             %
2702 %   N T T e l l D i r e c t o r y                                             %
2703 %                                                                             %
2704 %                                                                             %
2705 %                                                                             %
2706 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2707 %
2708 %  NTTellDirectory() returns the current location associated with the named
2709 %  directory stream.
2710 %
2711 %  The format of the NTTellDirectory method is:
2712 %
2713 %      ssize_t NTTellDirectory(DIR *entry)
2714 %
2715 %  A description of each parameter follows:
2716 %
2717 %    o entry: Specifies a pointer to a DIR structure.
2718 %
2719 */
2720 MagickPrivate ssize_t NTTellDirectory(DIR *entry)
2721 {
2722   assert(entry != (DIR *) NULL);
2723   return(0);
2724 }
2725 \f
2726 /*
2727 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2728 %                                                                             %
2729 %                                                                             %
2730 %                                                                             %
2731 %   N T T r u n c a t e F i l e                                               %
2732 %                                                                             %
2733 %                                                                             %
2734 %                                                                             %
2735 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2736 %
2737 %  NTTruncateFile() truncates a file to a specified length.
2738 %
2739 %  The format of the NTTruncateFile method is:
2740 %
2741 %      int NTTruncateFile(int file,off_t length)
2742 %
2743 %  A description of each parameter follows:
2744 %
2745 %    o file: the file.
2746 %
2747 %    o length: the file length.
2748 %
2749 */
2750 MagickPrivate int NTTruncateFile(int file,off_t length)
2751 {
2752   DWORD
2753     file_pointer;
2754
2755   long
2756     file_handle,
2757     high,
2758     low;
2759
2760   file_handle=_get_osfhandle(file);
2761   if (file_handle == -1L)
2762     return(-1);
2763   low=(long) (length & 0xffffffffUL);
2764   high=(long) ((((MagickOffsetType) length) >> 32) & 0xffffffffUL);
2765   file_pointer=SetFilePointer((HANDLE) file_handle,low,&high,FILE_BEGIN);
2766   if ((file_pointer == 0xFFFFFFFF) && (GetLastError() != NO_ERROR))
2767     return(-1);
2768   if (SetEndOfFile((HANDLE) file_handle) == 0)
2769     return(-1);
2770   return(0);
2771 }
2772 \f
2773 /*
2774 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2775 %                                                                             %
2776 %                                                                             %
2777 %                                                                             %
2778 +  N T U n m a p M e m o r y                                                  %
2779 %                                                                             %
2780 %                                                                             %
2781 %                                                                             %
2782 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2783 %
2784 %  NTUnmapMemory() emulates the Unix munmap method.
2785 %
2786 %  The format of the NTUnmapMemory method is:
2787 %
2788 %      int NTUnmapMemory(void *map,size_t length)
2789 %
2790 %  A description of each parameter follows:
2791 %
2792 %    o map: the address of the binary large object.
2793 %
2794 %    o length: the length of the binary large object.
2795 %
2796 */
2797 MagickPrivate int NTUnmapMemory(void *map,size_t length)
2798 {
2799   (void) length;
2800   if (UnmapViewOfFile(map) == 0)
2801     return(-1);
2802   return(0);
2803 }
2804 \f
2805 /*
2806 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2807 %                                                                             %
2808 %                                                                             %
2809 %                                                                             %
2810 %   N T U s e r T i m e                                                       %
2811 %                                                                             %
2812 %                                                                             %
2813 %                                                                             %
2814 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2815 %
2816 %  NTUserTime() returns the total time the process has been scheduled (e.g.
2817 %  seconds) since the last call to StartTimer().
2818 %
2819 %  The format of the UserTime method is:
2820 %
2821 %      double NTUserTime(void)
2822 %
2823 */
2824 MagickPrivate double NTUserTime(void)
2825 {
2826   DWORD
2827     status;
2828
2829   FILETIME
2830     create_time,
2831     exit_time;
2832
2833   OSVERSIONINFO
2834     OsVersionInfo;
2835
2836   union
2837   {
2838     FILETIME
2839       filetime;
2840
2841     __int64
2842       filetime64;
2843   } kernel_time;
2844
2845   union
2846   {
2847     FILETIME
2848       filetime;
2849
2850     __int64
2851       filetime64;
2852   } user_time;
2853
2854   OsVersionInfo.dwOSVersionInfoSize=sizeof(OSVERSIONINFO);
2855   GetVersionEx(&OsVersionInfo);
2856   if (OsVersionInfo.dwPlatformId != VER_PLATFORM_WIN32_NT)
2857     return(NTElapsedTime());
2858   status=GetProcessTimes(GetCurrentProcess(),&create_time,&exit_time,
2859     &kernel_time.filetime,&user_time.filetime);
2860   if (status != TRUE)
2861     return(0.0);
2862   return((double) 1.0e-7*(kernel_time.filetime64+user_time.filetime64));
2863 }
2864 \f
2865 /*
2866 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2867 %                                                                             %
2868 %                                                                             %
2869 %                                                                             %
2870 %   N T W a r n i n g H a n d l e r                                           %
2871 %                                                                             %
2872 %                                                                             %
2873 %                                                                             %
2874 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2875 %
2876 %  NTWarningHandler() displays a warning reason.
2877 %
2878 %  The format of the NTWarningHandler method is:
2879 %
2880 %      void NTWarningHandler(const ExceptionType severity,const char *reason,
2881 %        const char *description)
2882 %
2883 %  A description of each parameter follows:
2884 %
2885 %    o severity: Specifies the numeric warning category.
2886 %
2887 %    o reason: Specifies the reason to display before terminating the
2888 %      program.
2889 %
2890 %    o description: Specifies any description to the reason.
2891 %
2892 */
2893 MagickExport void NTWarningHandler(const ExceptionType severity,
2894   const char *reason,const char *description)
2895 {
2896   char
2897     buffer[2*MaxTextExtent];
2898
2899   (void) severity;
2900   if (reason == (char *) NULL)
2901     return;
2902   if (description == (char *) NULL)
2903     (void) FormatLocaleString(buffer,MaxTextExtent,"%s: %s.\n",GetClientName(),
2904       reason);
2905   else
2906     (void) FormatLocaleString(buffer,MaxTextExtent,"%s: %s (%s).\n",
2907       GetClientName(),reason,description);
2908   (void) MessageBox(NULL,buffer,"ImageMagick Warning",MB_OK | MB_TASKMODAL |
2909     MB_SETFOREGROUND | MB_ICONINFORMATION);
2910 }
2911 #endif