2 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
13 % Read/Write Microsoft XML Paper Specification Format %
20 % Copyright 1999-2018 ImageMagick Studio LLC, a non-profit organization %
21 % dedicated to making software imaging solutions freely available. %
23 % You may not use this file except in compliance with the License. You may %
24 % obtain a copy of the License at %
26 % https://www.imagemagick.org/script/license.php %
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. %
34 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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"
75 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
79 % R e a d X P S I m a g e %
83 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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.
89 % The format of the ReadXPSImage method is:
91 % Image *ReadXPSImage(const ImageInfo *image_info,ExceptionInfo *exception)
93 % A description of each parameter follows:
95 % o image_info: the image info.
97 % o exception: return any errors or warnings in this structure.
100 static Image *ReadXPSImage(const ImageInfo *image_info,ExceptionInfo *exception)
102 #define CropBox "CropBox"
103 #define DeviceCMYK "DeviceCMYK"
104 #define MediaBox "MediaBox"
105 #define RenderXPSText " Rendering XPS... "
108 command[MagickPathExtent],
110 filename[MagickPathExtent],
111 geometry[MagickPathExtent],
113 input_filename[MagickPathExtent];
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);
162 image=AcquireImage(image_info,exception);
163 status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception);
164 if (status == MagickFalse)
166 image=DestroyImageList(image);
167 return((Image *) NULL);
169 status=AcquireUniqueSymbolicLink(image_info->filename,input_filename);
170 if (status == MagickFalse)
172 ThrowFileException(exception,FileOpenError,"UnableToCreateTemporaryFile",
173 image_info->filename);
174 image=DestroyImageList(image);
175 return((Image *) NULL);
178 Set the page density.
180 delta.x=DefaultResolution;
181 delta.y=DefaultResolution;
182 if ((image->resolution.x == 0.0) || (image->resolution.y == 0.0))
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;
197 Determine page geometry from the XPS media box.
199 cmyk=image->colorspace == CMYKColorspace ? MagickTrue : MagickFalse;
201 (void) memset(&bounding_box,0,sizeof(bounding_box));
202 (void) memset(&bounds,0,sizeof(bounds));
203 (void) memset(&page,0,sizeof(page));
204 (void) memset(command,0,sizeof(command));
206 for (c=ReadBlobByte(image); c != EOF; c=ReadBlobByte(image))
208 if (image_info->page != (char *) NULL)
214 if ((c != (int) '/') && (c != '\n') &&
215 ((size_t) (p-command) < (MagickPathExtent-1)))
220 Is this a CMYK document?
222 if (LocaleNCompare(DeviceCMYK,command,strlen(DeviceCMYK)) == 0)
224 if (LocaleNCompare(CropBox,command,strlen(CropBox)) == 0)
227 Note region defined by crop box.
229 count=(ssize_t) sscanf(command,"CropBox [%lf %lf %lf %lf",
230 &bounds.x1,&bounds.y1,&bounds.x2,&bounds.y2);
232 count=(ssize_t) sscanf(command,"CropBox[%lf %lf %lf %lf",
233 &bounds.x1,&bounds.y1,&bounds.x2,&bounds.y2);
235 if (LocaleNCompare(MediaBox,command,strlen(MediaBox)) == 0)
238 Note region defined by media box.
240 count=(ssize_t) sscanf(command,"MediaBox [%lf %lf %lf %lf",
241 &bounds.x1,&bounds.y1,&bounds.x2,&bounds.y2);
243 count=(ssize_t) sscanf(command,"MediaBox[%lf %lf %lf %lf",
244 &bounds.x1,&bounds.y1,&bounds.x2,&bounds.y2);
249 Set XPS render geometry.
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)
255 if (height > page.height)
258 (void) CloseBlob(image);
260 Render XPS with the GhostXPS delegate.
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);
271 if (cmyk != MagickFalse)
272 delegate_info=GetDelegateInfo("xps:cmyk",(char *) NULL,exception);
274 delegate_info=GetDelegateInfo("xps:color",(char *) NULL,exception);
275 if (delegate_info == (const DelegateInfo *) NULL)
277 image=DestroyImage(image);
278 return((Image *) NULL);
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)
297 if (read_info->number_scenes != 1)
298 (void) FormatLocaleString(options,MagickPathExtent,"-dLastPage=%.20g",
299 (double) (read_info->scene+read_info->number_scenes));
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';
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)
330 cmyk_image=ConsolidateCMYKImages(image,exception);
331 if (cmyk_image != (Image *) NULL)
333 image=DestroyImageList(image);
339 (void) CopyMagickString(image->filename,filename,MagickPathExtent);
341 next_image=SyncNextImageInList(image);
342 if (next_image != (Image *) NULL)
344 } while (next_image != (Image *) NULL);
345 return(GetFirstImageInList(image));
349 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
353 % R e g i s t e r X P S I m a g e %
357 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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.
366 % The format of the RegisterXPSImage method is:
368 % size_t RegisterXPSImage(void)
371 ModuleExport size_t RegisterXPSImage(void)
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);
386 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
390 % U n r e g i s t e r X P S I m a g e %
394 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
396 % UnregisterXPSImage() removes format registrations made by the XPS module
397 % from the list of supported formats.
399 % The format of the UnregisterXPSImage method is:
401 % UnregisterXPSImage(void)
404 ModuleExport void UnregisterXPSImage(void)
406 (void) UnregisterMagickInfo("XPS");