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
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
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 */
ReadXPSImage(const ImageInfo * image_info,ExceptionInfo * exception)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
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 */
RegisterXPSImage(void)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
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 */
UnregisterXPSImage(void)402 ModuleExport void UnregisterXPSImage(void)
403 {
404 (void) UnregisterMagickInfo("XPS");
405 }
406