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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 1999-2016 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/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     return((Image *) NULL);
277   density=AcquireString("");
278   options=AcquireString("");
279   (void) FormatLocaleString(density,MagickPathExtent,"%gx%g",
280     image->resolution.x,image->resolution.y);
281   if ((page.width == 0) || (page.height == 0))
282     (void) ParseAbsoluteGeometry(PSPageGeometry,&page);
283   if (image_info->page != (char *) NULL)
284     (void) ParseAbsoluteGeometry(image_info->page,&page);
285   page.width=(size_t) floor(page.width*image->resolution.y/delta.x+0.5);
286   page.height=(size_t) floor(page.height*image->resolution.y/delta.y+0.5);
287   (void) FormatLocaleString(options,MagickPathExtent,"-g%.20gx%.20g ",(double)
288     page.width,(double) page.height);
289   image=DestroyImage(image);
290   read_info=CloneImageInfo(image_info);
291   *read_info->magick='\0';
292   if (read_info->number_scenes != 0)
293     {
294       if (read_info->number_scenes != 1)
295         (void) FormatLocaleString(options,MagickPathExtent,"-dLastPage=%.20g",
296           (double) (read_info->scene+read_info->number_scenes));
297       else
298         (void) FormatLocaleString(options,MagickPathExtent,
299           "-dFirstPage=%.20g -dLastPage=%.20g",(double) read_info->scene+1,
300           (double) (read_info->scene+read_info->number_scenes));
301       read_info->number_scenes=0;
302       if (read_info->scenes != (char *) NULL)
303         *read_info->scenes='\0';
304     }
305   (void) CopyMagickString(filename,read_info->filename,MagickPathExtent);
306   (void) AcquireUniqueFilename(read_info->filename);
307   (void) FormatLocaleString(command,MagickPathExtent,
308     GetDelegateCommands(delegate_info),
309     read_info->antialias != MagickFalse ? 4 : 1,
310     read_info->antialias != MagickFalse ? 4 : 1,density,options,
311     read_info->filename,input_filename);
312   options=DestroyString(options);
313   density=DestroyString(density);
314   status=ExternalDelegateCommand(MagickFalse,read_info->verbose,command,
315     (char *) NULL,exception) != 0 ? MagickTrue : MagickFalse;
316   image=ReadImage(read_info,exception);
317   (void) RelinquishUniqueFileResource(read_info->filename);
318   (void) RelinquishUniqueFileResource(input_filename);
319   read_info=DestroyImageInfo(read_info);
320   if (image == (Image *) NULL)
321     ThrowReaderException(DelegateError,"XPSDelegateFailed");
322   if (LocaleCompare(image->magick,"BMP") == 0)
323     {
324       Image
325         *cmyk_image;
326
327       cmyk_image=ConsolidateCMYKImages(image,exception);
328       if (cmyk_image != (Image *) NULL)
329         {
330           image=DestroyImageList(image);
331           image=cmyk_image;
332         }
333     }
334   do
335   {
336     (void) CopyMagickString(image->filename,filename,MagickPathExtent);
337     image->page=page;
338     next_image=SyncNextImageInList(image);
339     if (next_image != (Image *) NULL)
340       image=next_image;
341   } while (next_image != (Image *) NULL);
342   return(GetFirstImageInList(image));
343 }
344 \f
345 /*
346 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
347 %                                                                             %
348 %                                                                             %
349 %                                                                             %
350 %   R e g i s t e r X P S I m a g e                                           %
351 %                                                                             %
352 %                                                                             %
353 %                                                                             %
354 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
355 %
356 %  RegisterXPSImage() adds attributes for the Microsoft XML Paper Specification 
357 %  format to the list of supported formats.  The attributes include the image
358 %  format tag, a method to read and/or write the format, whether the format
359 %  supports the saving of more than one frame to the same file or blob,
360 %  whether the format supports native in-memory I/O, and a brief
361 %  description of the format.
362 %
363 %  The format of the RegisterXPSImage method is:
364 %
365 %      size_t RegisterXPSImage(void)
366 %
367 */
368 ModuleExport size_t RegisterXPSImage(void)
369 {
370   MagickInfo
371     *entry;
372
373   entry=AcquireMagickInfo("XPS","XPS","Microsoft XML Paper Specification");
374   entry->decoder=(DecodeImageHandler *) ReadXPSImage;
375   entry->flags^=CoderAdjoinFlag;
376   entry->flags^=CoderBlobSupportFlag;
377   entry->flags^=CoderDecoderThreadSupportFlag;
378   entry->flags|=CoderSeekableStreamFlag;
379   (void) RegisterMagickInfo(entry);
380   return(MagickImageCoderSignature);
381 }
382 \f
383 /*
384 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
385 %                                                                             %
386 %                                                                             %
387 %                                                                             %
388 %   U n r e g i s t e r X P S I m a g e                                       %
389 %                                                                             %
390 %                                                                             %
391 %                                                                             %
392 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
393 %
394 %  UnregisterXPSImage() removes format registrations made by the XPS module
395 %  from the list of supported formats.
396 %
397 %  The format of the UnregisterXPSImage method is:
398 %
399 %      UnregisterXPSImage(void)
400 %
401 */
402 ModuleExport void UnregisterXPSImage(void)
403 {
404   (void) UnregisterMagickInfo("XPS");
405 }