granicus.if.org Git - imagemagick/blob - coders/xps.c

   1 /*
   2 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
   3 %                                                                             %
   4 %                                                                             %
   5 %                                                                             %
   6 %                            X   X  PPPP   SSSSS                              %
   7 %                             X X   P   P  SS                                 %
   8 %                              X    PPPP    SSS                               %
   9 %                             X X   P         SS                              %
  10 %                            X   X  P      SSSSS                              %
  11 %                                                                             %
  12 %                                                                             %
  13 %             Read/Write Microsoft XML Paper Specification Format             %
  14 %                                                                             %
  15 %                              Software Design                                %
  16 %                                   Cristy                                    %
  17 %                               January 2008                                  %
  18 %                                                                             %
  19 %                                                                             %
  20 %  Copyright 1999-2018 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 %    https://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 \f
  39 /*
  40   Include declarations.
  41 */
  42 #include "MagickCore/studio.h"
  43 #include "MagickCore/artifact.h"
  44 #include "MagickCore/blob.h"
  45 #include "MagickCore/blob-private.h"
  46 #include "MagickCore/color.h"
  47 #include "MagickCore/color-private.h"
  48 #include "MagickCore/colorspace.h"
  49 #include "MagickCore/constitute.h"
  50 #include "MagickCore/delegate.h"
  51 #include "MagickCore/draw.h"
  52 #include "MagickCore/exception.h"
  53 #include "MagickCore/exception-private.h"
  54 #include "MagickCore/geometry.h"
  55 #include "MagickCore/image.h"
  56 #include "MagickCore/image-private.h"
  57 #include "MagickCore/list.h"
  58 #include "MagickCore/magick.h"
  59 #include "MagickCore/memory_.h"
  60 #include "MagickCore/monitor.h"
  61 #include "MagickCore/monitor-private.h"
  62 #include "MagickCore/option.h"
  63 #include "MagickCore/profile.h"
  64 #include "MagickCore/property.h"
  65 #include "MagickCore/resource_.h"
  66 #include "MagickCore/quantum-private.h"
  67 #include "MagickCore/static.h"
  68 #include "MagickCore/string_.h"
  69 #include "MagickCore/module.h"
  70 #include "MagickCore/token.h"
  71 #include "MagickCore/transform.h"
  72 #include "MagickCore/utility.h"
  73 \f
  74 /*
  75 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
  76 %                                                                             %
  77 %                                                                             %
  78 %                                                                             %
  79 %   R e a d X P S I m a g e                                                   %
  80 %                                                                             %
  81 %                                                                             %
  82 %                                                                             %
  83 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
  84 %
  85 %  ReadXPSImage() reads a Printer Control Language image file and returns it.
  86 %  It allocates the memory necessary for the new Image structure and returns a
  87 %  pointer to the new image.
  88 %
  89 %  The format of the ReadXPSImage method is:
  90 %
  91 %      Image *ReadXPSImage(const ImageInfo *image_info,ExceptionInfo *exception)
  92 %
  93 %  A description of each parameter follows:
  94 %
  95 %    o image_info: the image info.
  96 %
  97 %    o exception: return any errors or warnings in this structure.
  98 %
  99 */
 100 static Image *ReadXPSImage(const ImageInfo *image_info,ExceptionInfo *exception)
 101 {
 102 #define CropBox  "CropBox"
 103 #define DeviceCMYK  "DeviceCMYK"
 104 #define MediaBox  "MediaBox"
 105 #define RenderXPSText  "  Rendering XPS...  "
 106
 107   char
 108     command[MagickPathExtent],
 109     *density,
 110     filename[MagickPathExtent],
 111     geometry[MagickPathExtent],
 112     *options,
 113     input_filename[MagickPathExtent];
 114
 115   const DelegateInfo
 116     *delegate_info;
 117
 118   Image
 119     *image,
 120     *next_image;
 121
 122   ImageInfo
 123     *read_info;
 124
 125   MagickBooleanType
 126     cmyk,
 127     status;
 128
 129   PointInfo
 130     delta;
 131
 132   RectangleInfo
 133     bounding_box,
 134     page;
 135
 136   register char
 137     *p;
 138
 139   register ssize_t
 140     c;
 141
 142   SegmentInfo
 143     bounds;
 144
 145   size_t
 146     height,
 147     width;
 148
 149   ssize_t
 150     count;
 151
 152   assert(image_info != (const ImageInfo *) NULL);
 153   assert(image_info->signature == MagickCoreSignature);
 154   if (image_info->debug != MagickFalse)
 155     (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",
 156       image_info->filename);
 157   assert(exception != (ExceptionInfo *) NULL);
 158   assert(exception->signature == MagickCoreSignature);
 159   /*
 160     Open image file.
 161   */
 162   image=AcquireImage(image_info,exception);
 163   status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception);
 164   if (status == MagickFalse)
 165     {
 166       image=DestroyImageList(image);
 167       return((Image *) NULL);
 168     }
 169   status=AcquireUniqueSymbolicLink(image_info->filename,input_filename);
 170   if (status == MagickFalse)
 171     {
 172       ThrowFileException(exception,FileOpenError,"UnableToCreateTemporaryFile",
 173         image_info->filename);
 174       image=DestroyImageList(image);
 175       return((Image *) NULL);
 176     }
 177   /*
 178     Set the page density.
 179   */
 180   delta.x=DefaultResolution;
 181   delta.y=DefaultResolution;
 182   if ((image->resolution.x == 0.0) || (image->resolution.y == 0.0))
 183     {
 184       GeometryInfo
 185         geometry_info;
 186
 187       MagickStatusType
 188         flags;
 189
 190       flags=ParseGeometry(PSDensityGeometry,&geometry_info);
 191       image->resolution.x=geometry_info.rho;
 192       image->resolution.y=geometry_info.sigma;
 193       if ((flags & SigmaValue) == 0)
 194         image->resolution.y=image->resolution.x;
 195     }
 196   /*
 197     Determine page geometry from the XPS media box.
 198   */
 199   cmyk=image->colorspace == CMYKColorspace ? MagickTrue : MagickFalse;
 200   count=0;
 201   (void) ResetMagickMemory(&bounding_box,0,sizeof(bounding_box));
 202   (void) ResetMagickMemory(&bounds,0,sizeof(bounds));
 203   (void) ResetMagickMemory(&page,0,sizeof(page));
 204   (void) ResetMagickMemory(command,0,sizeof(command));
 205   p=command;
 206   for (c=ReadBlobByte(image); c != EOF; c=ReadBlobByte(image))
 207   {
 208     if (image_info->page != (char *) NULL)
 209       continue;
 210     /*
 211       Note XPS elements.
 212     */
 213     *p++=(char) c;
 214     if ((c != (int) '/') && (c != '\n') &&
 215         ((size_t) (p-command) < (MagickPathExtent-1)))
 216       continue;
 217     *p='\0';
 218     p=command;
 219     /*
 220       Is this a CMYK document?
 221     */
 222     if (LocaleNCompare(DeviceCMYK,command,strlen(DeviceCMYK)) == 0)
 223       cmyk=MagickTrue;
 224     if (LocaleNCompare(CropBox,command,strlen(CropBox)) == 0)
 225       {
 226         /*
 227           Note region defined by crop box.
 228         */
 229         count=(ssize_t) sscanf(command,"CropBox [%lf %lf %lf %lf",
 230           &bounds.x1,&bounds.y1,&bounds.x2,&bounds.y2);
 231         if (count != 4)
 232           count=(ssize_t) sscanf(command,"CropBox[%lf %lf %lf %lf",
 233             &bounds.x1,&bounds.y1,&bounds.x2,&bounds.y2);
 234       }
 235     if (LocaleNCompare(MediaBox,command,strlen(MediaBox)) == 0)
 236       {
 237         /*
 238           Note region defined by media box.
 239         */
 240         count=(ssize_t) sscanf(command,"MediaBox [%lf %lf %lf %lf",
 241           &bounds.x1,&bounds.y1,&bounds.x2,&bounds.y2);
 242         if (count != 4)
 243           count=(ssize_t) sscanf(command,"MediaBox[%lf %lf %lf %lf",
 244             &bounds.x1,&bounds.y1,&bounds.x2,&bounds.y2);
 245       }
 246     if (count != 4)
 247       continue;
 248     /*
 249       Set XPS render geometry.
 250     */
 251     width=(size_t) (floor(bounds.x2+0.5)-ceil(bounds.x1-0.5));
 252     height=(size_t) (floor(bounds.y2+0.5)-ceil(bounds.y1-0.5));
 253     if (width > page.width)
 254       page.width=width;
 255     if (height > page.height)
 256       page.height=height;
 257   }
 258   (void) CloseBlob(image);
 259   /*
 260     Render XPS with the GhostXPS delegate.
 261   */
 262   if ((page.width == 0) || (page.height == 0))
 263     (void) ParseAbsoluteGeometry(PSPageGeometry,&page);
 264   if (image_info->page != (char *) NULL)
 265     (void) ParseAbsoluteGeometry(image_info->page,&page);
 266   (void) FormatLocaleString(geometry,MagickPathExtent,"%.20gx%.20g",(double)
 267     page.width,(double) page.height);
 268   if (image_info->monochrome != MagickFalse)
 269     delegate_info=GetDelegateInfo("xps:mono",(char *) NULL,exception);
 270   else
 271      if (cmyk != MagickFalse)
 272        delegate_info=GetDelegateInfo("xps:cmyk",(char *) NULL,exception);
 273      else
 274        delegate_info=GetDelegateInfo("xps:color",(char *) NULL,exception);
 275   if (delegate_info == (const DelegateInfo *) NULL)
 276     {
 277       image=DestroyImage(image);
 278       return((Image *) NULL);
 279     }
 280   density=AcquireString("");
 281   options=AcquireString("");
 282   (void) FormatLocaleString(density,MagickPathExtent,"%gx%g",
 283     image->resolution.x,image->resolution.y);
 284   if ((page.width == 0) || (page.height == 0))
 285     (void) ParseAbsoluteGeometry(PSPageGeometry,&page);
 286   if (image_info->page != (char *) NULL)
 287     (void) ParseAbsoluteGeometry(image_info->page,&page);
 288   page.width=(size_t) floor(page.width*image->resolution.y/delta.x+0.5);
 289   page.height=(size_t) floor(page.height*image->resolution.y/delta.y+0.5);
 290   (void) FormatLocaleString(options,MagickPathExtent,"-g%.20gx%.20g ",(double)
 291     page.width,(double) page.height);
 292   image=DestroyImage(image);
 293   read_info=CloneImageInfo(image_info);
 294   *read_info->magick='\0';
 295   if (read_info->number_scenes != 0)
 296     {
 297       if (read_info->number_scenes != 1)
 298         (void) FormatLocaleString(options,MagickPathExtent,"-dLastPage=%.20g",
 299           (double) (read_info->scene+read_info->number_scenes));
 300       else
 301         (void) FormatLocaleString(options,MagickPathExtent,
 302           "-dFirstPage=%.20g -dLastPage=%.20g",(double) read_info->scene+1,
 303           (double) (read_info->scene+read_info->number_scenes));
 304       read_info->number_scenes=0;
 305       if (read_info->scenes != (char *) NULL)
 306         *read_info->scenes='\0';
 307     }
 308   (void) CopyMagickString(filename,read_info->filename,MagickPathExtent);
 309   (void) AcquireUniqueFilename(read_info->filename);
 310   (void) FormatLocaleString(command,MagickPathExtent,
 311     GetDelegateCommands(delegate_info),
 312     read_info->antialias != MagickFalse ? 4 : 1,
 313     read_info->antialias != MagickFalse ? 4 : 1,density,options,
 314     read_info->filename,input_filename);
 315   options=DestroyString(options);
 316   density=DestroyString(density);
 317   status=ExternalDelegateCommand(MagickFalse,read_info->verbose,command,
 318     (char *) NULL,exception) != 0 ? MagickTrue : MagickFalse;
 319   image=ReadImage(read_info,exception);
 320   (void) RelinquishUniqueFileResource(read_info->filename);
 321   (void) RelinquishUniqueFileResource(input_filename);
 322   read_info=DestroyImageInfo(read_info);
 323   if (image == (Image *) NULL)
 324     ThrowReaderException(DelegateError,"XPSDelegateFailed");
 325   if (LocaleCompare(image->magick,"BMP") == 0)
 326     {
 327       Image
 328         *cmyk_image;
 329
 330       cmyk_image=ConsolidateCMYKImages(image,exception);
 331       if (cmyk_image != (Image *) NULL)
 332         {
 333           image=DestroyImageList(image);
 334           image=cmyk_image;
 335         }
 336     }
 337   do
 338   {
 339     (void) CopyMagickString(image->filename,filename,MagickPathExtent);
 340     image->page=page;
 341     next_image=SyncNextImageInList(image);
 342     if (next_image != (Image *) NULL)
 343       image=next_image;
 344   } while (next_image != (Image *) NULL);
 345   return(GetFirstImageInList(image));
 346 }
 347 \f
 348 /*
 349 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 350 %                                                                             %
 351 %                                                                             %
 352 %                                                                             %
 353 %   R e g i s t e r X P S I m a g e                                           %
 354 %                                                                             %
 355 %                                                                             %
 356 %                                                                             %
 357 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 358 %
 359 %  RegisterXPSImage() adds attributes for the Microsoft XML Paper Specification
 360 %  format to the list of supported formats.  The attributes include the image
 361 %  format tag, a method to read and/or write the format, whether the format
 362 %  supports the saving of more than one frame to the same file or blob,
 363 %  whether the format supports native in-memory I/O, and a brief
 364 %  description of the format.
 365 %
 366 %  The format of the RegisterXPSImage method is:
 367 %
 368 %      size_t RegisterXPSImage(void)
 369 %
 370 */
 371 ModuleExport size_t RegisterXPSImage(void)
 372 {
 373   MagickInfo
 374     *entry;
 375
 376   entry=AcquireMagickInfo("XPS","XPS","Microsoft XML Paper Specification");
 377   entry->decoder=(DecodeImageHandler *) ReadXPSImage;
 378   entry->flags^=CoderAdjoinFlag;
 379   entry->flags^=CoderBlobSupportFlag;
 380   entry->flags^=CoderDecoderThreadSupportFlag;
 381   (void) RegisterMagickInfo(entry);
 382   return(MagickImageCoderSignature);
 383 }
 384 \f
 385 /*
 386 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 387 %                                                                             %
 388 %                                                                             %
 389 %                                                                             %
 390 %   U n r e g i s t e r X P S I m a g e                                       %
 391 %                                                                             %
 392 %                                                                             %
 393 %                                                                             %
 394 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 395 %
 396 %  UnregisterXPSImage() removes format registrations made by the XPS module
 397 %  from the list of supported formats.
 398 %
 399 %  The format of the UnregisterXPSImage method is:
 400 %
 401 %      UnregisterXPSImage(void)
 402 %
 403 */
 404 ModuleExport void UnregisterXPSImage(void)
 405 {
 406   (void) UnregisterMagickInfo("XPS");
 407 }