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 %                                John Cristy                                  %
  17 %                               January 2008                                  %
  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 \f
  39 /*
  40   Include declarations.
  41 */
  42 #include "MagickCore/studio.h"
  43 #include "MagickCore/property.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/resource_.h"
  65 #include "MagickCore/quantum-private.h"
  66 #include "MagickCore/static.h"
  67 #include "MagickCore/string_.h"
  68 #include "MagickCore/module.h"
  69 #include "MagickCore/token.h"
  70 #include "MagickCore/transform.h"
  71 #include "MagickCore/utility.h"
  72 \f
  73 /*
  74 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
  75 %                                                                             %
  76 %                                                                             %
  77 %                                                                             %
  78 %   R e a d X P S I m a g e                                                   %
  79 %                                                                             %
  80 %                                                                             %
  81 %                                                                             %
  82 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
  83 %
  84 %  ReadXPSImage() reads a Printer Control Language image file and returns it.
  85 %  It allocates the memory necessary for the new Image structure and returns a
  86 %  pointer to the new image.
  87 %
  88 %  The format of the ReadXPSImage method is:
  89 %
  90 %      Image *ReadXPSImage(const ImageInfo *image_info,ExceptionInfo *exception)
  91 %
  92 %  A description of each parameter follows:
  93 %
  94 %    o image_info: the image info.
  95 %
  96 %    o exception: return any errors or warnings in this structure.
  97 %
  98 */
  99 static Image *ReadXPSImage(const ImageInfo *image_info,ExceptionInfo *exception)
 100 {
 101 #define CropBox  "CropBox"
 102 #define DeviceCMYK  "DeviceCMYK"
 103 #define MediaBox  "MediaBox"
 104 #define RenderXPSText  "  Rendering XPS...  "
 105
 106   char
 107     command[MaxTextExtent],
 108     density[MaxTextExtent],
 109     filename[MaxTextExtent],
 110     geometry[MaxTextExtent],
 111     options[MaxTextExtent],
 112     input_filename[MaxTextExtent];
 113
 114   const char
 115     *option;
 116
 117   const DelegateInfo
 118     *delegate_info;
 119
 120   Image
 121     *image,
 122     *next_image;
 123
 124   ImageInfo
 125     *read_info;
 126
 127   MagickBooleanType
 128     cmyk,
 129     status;
 130
 131   PointInfo
 132     delta;
 133
 134   RectangleInfo
 135     bounding_box,
 136     page;
 137
 138   register char
 139     *p;
 140
 141   register ssize_t
 142     c;
 143
 144   SegmentInfo
 145     bounds;
 146
 147   size_t
 148     height,
 149     width;
 150
 151   ssize_t
 152     count;
 153
 154   assert(image_info != (const ImageInfo *) NULL);
 155   assert(image_info->signature == MagickSignature);
 156   if (image_info->debug != MagickFalse)
 157     (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",
 158       image_info->filename);
 159   assert(exception != (ExceptionInfo *) NULL);
 160   assert(exception->signature == MagickSignature);
 161   /*
 162     Open image file.
 163   */
 164   image=AcquireImage(image_info,exception);
 165   status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception);
 166   if (status == MagickFalse)
 167     {
 168       image=DestroyImageList(image);
 169       return((Image *) NULL);
 170     }
 171   status=AcquireUniqueSymbolicLink(image_info->filename,input_filename);
 172   if (status == MagickFalse)
 173     {
 174       ThrowFileException(exception,FileOpenError,"UnableToCreateTemporaryFile",
 175         image_info->filename);
 176       image=DestroyImageList(image);
 177       return((Image *) NULL);
 178     }
 179   /*
 180     Set the page density.
 181   */
 182   delta.x=DefaultResolution;
 183   delta.y=DefaultResolution;
 184   if ((image->resolution.x == 0.0) || (image->resolution.y == 0.0))
 185     {
 186       GeometryInfo
 187         geometry_info;
 188
 189       MagickStatusType
 190         flags;
 191
 192       flags=ParseGeometry(PSDensityGeometry,&geometry_info);
 193       image->resolution.x=geometry_info.rho;
 194       image->resolution.y=geometry_info.sigma;
 195       if ((flags & SigmaValue) == 0)
 196         image->resolution.y=image->resolution.x;
 197     }
 198   (void) FormatLocaleString(density,MaxTextExtent,"%gx%g",
 199     image->resolution.x,image->resolution.y);
 200   /*
 201     Determine page geometry from the XPS media box.
 202   */
 203   cmyk=image->colorspace == CMYKColorspace ? MagickTrue : MagickFalse;
 204   count=0;
 205   (void) ResetMagickMemory(&bounding_box,0,sizeof(bounding_box));
 206   (void) ResetMagickMemory(&bounds,0,sizeof(bounds));
 207   (void) ResetMagickMemory(&page,0,sizeof(page));
 208   (void) ResetMagickMemory(command,0,sizeof(command));
 209   p=command;
 210   for (c=ReadBlobByte(image); c != EOF; c=ReadBlobByte(image))
 211   {
 212     if (image_info->page != (char *) NULL)
 213       continue;
 214     /*
 215       Note XPS elements.
 216     */
 217     *p++=(char) c;
 218     if ((c != (int) '/') && (c != '\n') &&
 219         ((size_t) (p-command) < (MaxTextExtent-1)))
 220       continue;
 221     *p='\0';
 222     p=command;
 223     /*
 224       Is this a CMYK document?
 225     */
 226     if (LocaleNCompare(DeviceCMYK,command,strlen(DeviceCMYK)) == 0)
 227       cmyk=MagickTrue;
 228     if (LocaleNCompare(CropBox,command,strlen(CropBox)) == 0)
 229       {
 230         /*
 231           Note region defined by crop box.
 232         */
 233         count=(ssize_t) sscanf(command,"CropBox [%lf %lf %lf %lf",
 234           &bounds.x1,&bounds.y1,&bounds.x2,&bounds.y2);
 235         if (count != 4)
 236           count=(ssize_t) sscanf(command,"CropBox[%lf %lf %lf %lf",
 237             &bounds.x1,&bounds.y1,&bounds.x2,&bounds.y2);
 238       }
 239     if (LocaleNCompare(MediaBox,command,strlen(MediaBox)) == 0)
 240       {
 241         /*
 242           Note region defined by media box.
 243         */
 244         count=(ssize_t) sscanf(command,"MediaBox [%lf %lf %lf %lf",
 245           &bounds.x1,&bounds.y1,&bounds.x2,&bounds.y2);
 246         if (count != 4)
 247           count=(ssize_t) sscanf(command,"MediaBox[%lf %lf %lf %lf",
 248             &bounds.x1,&bounds.y1,&bounds.x2,&bounds.y2);
 249       }
 250     if (count != 4)
 251       continue;
 252     /*
 253       Set XPS render geometry.
 254     */
 255     width=(size_t) floor(bounds.x2-bounds.x1+0.5);
 256     height=(size_t) floor(bounds.y2-bounds.y1+0.5);
 257     if (width > page.width)
 258       page.width=width;
 259     if (height > page.height)
 260       page.height=height;
 261   }
 262   (void) CloseBlob(image);
 263   /*
 264     Render XPS with the GhostXPS delegate.
 265   */
 266   if ((page.width == 0) || (page.height == 0))
 267     (void) ParseAbsoluteGeometry(PSPageGeometry,&page);
 268   if (image_info->page != (char *) NULL)
 269     (void) ParseAbsoluteGeometry(image_info->page,&page);
 270   (void) FormatLocaleString(geometry,MaxTextExtent,"%.20gx%.20g",(double)
 271     page.width,(double) page.height);
 272   if (image_info->monochrome != MagickFalse)
 273     delegate_info=GetDelegateInfo("xps:mono",(char *) NULL,exception);
 274   else
 275      if (cmyk != MagickFalse)
 276        delegate_info=GetDelegateInfo("xps:cmyk",(char *) NULL,exception);
 277      else
 278        delegate_info=GetDelegateInfo("xps:color",(char *) NULL,exception);
 279   if (delegate_info == (const DelegateInfo *) NULL)
 280     return((Image *) NULL);
 281   *options='\0';
 282   if ((page.width == 0) || (page.height == 0))
 283     (void) ParseAbsoluteGeometry(PSPageGeometry,&page);
 284   if (image_info->page != (char *) NULL)
 285     (void) ParseAbsoluteGeometry(image_info->page,&page);
 286   page.width=(size_t) floor(page.width*image->resolution.y/delta.x+0.5);
 287   page.height=(size_t) floor(page.height*image->resolution.y/delta.y+
 288     0.5);
 289   (void) FormatLocaleString(options,MaxTextExtent,"-g%.20gx%.20g ",(double)
 290     page.width,(double) page.height);
 291   image=DestroyImage(image);
 292   read_info=CloneImageInfo(image_info);
 293   *read_info->magick='\0';
 294   if (read_info->number_scenes != 0)
 295     {
 296       if (read_info->number_scenes != 1)
 297         (void) FormatLocaleString(options,MaxTextExtent,"-dLastPage=%.20g",
 298           (double) (read_info->scene+read_info->number_scenes));
 299       else
 300         (void) FormatLocaleString(options,MaxTextExtent,
 301           "-dFirstPage=%.20g -dLastPage=%.20g",(double) read_info->scene+1,
 302           (double) (read_info->scene+read_info->number_scenes));
 303       read_info->number_scenes=0;
 304       if (read_info->scenes != (char *) NULL)
 305         *read_info->scenes='\0';
 306     }
 307   option=GetImageOption(read_info,"authenticate");
 308   if (option != (const char *) NULL)
 309     (void) FormatLocaleString(options+strlen(options),MaxTextExtent,
 310       " -sPCLPassword=%s",option);
 311   (void) CopyMagickString(filename,read_info->filename,MaxTextExtent);
 312   (void) AcquireUniqueFilename(read_info->filename);
 313   (void) FormatLocaleString(command,MaxTextExtent,
 314     GetDelegateCommands(delegate_info),
 315     read_info->antialias != MagickFalse ? 4 : 1,
 316     read_info->antialias != MagickFalse ? 4 : 1,density,options,
 317     read_info->filename,input_filename);
 318   status=SystemCommand(MagickFalse,read_info->verbose,command,exception) != 0 ?
 319     MagickTrue : MagickFalse;
 320   image=ReadImage(read_info,exception);
 321   (void) RelinquishUniqueFileResource(read_info->filename);
 322   (void) RelinquishUniqueFileResource(input_filename);
 323   read_info=DestroyImageInfo(read_info);
 324   if (image == (Image *) NULL)
 325     ThrowReaderException(DelegateError,"XPSDelegateFailed");
 326   if (LocaleCompare(image->magick,"BMP") == 0)
 327     {
 328       Image
 329         *cmyk_image;
 330
 331       cmyk_image=ConsolidateCMYKImages(image,exception);
 332       if (cmyk_image != (Image *) NULL)
 333         {
 334           image=DestroyImageList(image);
 335           image=cmyk_image;
 336         }
 337     }
 338   do
 339   {
 340     (void) CopyMagickString(image->filename,filename,MaxTextExtent);
 341     image->page=page;
 342     next_image=SyncNextImageInList(image);
 343     if (next_image != (Image *) NULL)
 344       image=next_image;
 345   } while (next_image != (Image *) NULL);
 346   return(GetFirstImageInList(image));
 347 }
 348 \f
 349 /*
 350 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 351 %                                                                             %
 352 %                                                                             %
 353 %                                                                             %
 354 %   R e g i s t e r X P S I m a g e                                           %
 355 %                                                                             %
 356 %                                                                             %
 357 %                                                                             %
 358 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 359 %
 360 %  RegisterXPSImage() adds attributes for the Microsoft XML Paper Specification
 361 %  format to the list of supported formats.  The attributes include the image
 362 %  format tag, a method to read and/or write the format, whether the format
 363 %  supports the saving of more than one frame to the same file or blob,
 364 %  whether the format supports native in-memory I/O, and a brief
 365 %  description of the format.
 366 %
 367 %  The format of the RegisterXPSImage method is:
 368 %
 369 %      size_t RegisterXPSImage(void)
 370 %
 371 */
 372 ModuleExport size_t RegisterXPSImage(void)
 373 {
 374   MagickInfo
 375     *entry;
 376
 377   entry=SetMagickInfo("XPS");
 378   entry->decoder=(DecodeImageHandler *) ReadXPSImage;
 379   entry->adjoin=MagickFalse;
 380   entry->blob_support=MagickFalse;
 381   entry->seekable_stream=MagickTrue;
 382   entry->thread_support=EncoderThreadSupport;
 383   entry->description=ConstantString("Microsoft XML Paper Specification");
 384   entry->module=ConstantString("XPS");
 385   (void) RegisterMagickInfo(entry);
 386   return(MagickImageCoderSignature);
 387 }
 388 \f
 389 /*
 390 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 391 %                                                                             %
 392 %                                                                             %
 393 %                                                                             %
 394 %   U n r e g i s t e r X P S I m a g e                                       %
 395 %                                                                             %
 396 %                                                                             %
 397 %                                                                             %
 398 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 399 %
 400 %  UnregisterXPSImage() removes format registrations made by the XPS module
 401 %  from the list of supported formats.
 402 %
 403 %  The format of the UnregisterXPSImage method is:
 404 %
 405 %      UnregisterXPSImage(void)
 406 %
 407 */
 408 ModuleExport void UnregisterXPSImage(void)
 409 {
 410   (void) UnregisterMagickInfo("XPS");
 411 }