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gerrit-public.fairphone.software / platform / external / ImageMagick / 7789dc7910c49b1071ee5d9f62208126c33c05e4 / . / coders / xps.c
blob: a6dd479814f796657d2c337babc5e60fe9ebd349 [file] [log] [blame]
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]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% %
cristy16af1cb2009-12-11 21:38:29 +0000[diff] [blame]20% Copyright 1999-2010 ImageMagick Studio LLC, a non-profit organization %
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]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 "magick/studio.h"
43#include "magick/property.h"
44#include "magick/blob.h"
45#include "magick/blob-private.h"
46#include "magick/color.h"
47#include "magick/color-private.h"
48#include "magick/colorspace.h"
49#include "magick/constitute.h"
50#include "magick/delegate.h"
51#include "magick/draw.h"
52#include "magick/exception.h"
53#include "magick/exception-private.h"
54#include "magick/geometry.h"
55#include "magick/image.h"
56#include "magick/image-private.h"
57#include "magick/list.h"
58#include "magick/magick.h"
59#include "magick/memory_.h"
60#include "magick/monitor.h"
61#include "magick/monitor-private.h"
62#include "magick/profile.h"
63#include "magick/resource_.h"
64#include "magick/quantum-private.h"
65#include "magick/static.h"
66#include "magick/string_.h"
67#include "magick/module.h"
68#include "magick/token.h"
69#include "magick/transform.h"
70#include "magick/utility.h"
71
72/*
73%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
74% %
75% %
76% %
77% R e a d X P S I m a g e %
78% %
79% %
80% %
81%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
82%
83% ReadXPSImage() reads a Printer Control Language image file and returns it.
84% It allocates the memory necessary for the new Image structure and returns a
85% pointer to the new image.
86%
87% The format of the ReadXPSImage method is:
88%
89% Image *ReadXPSImage(const ImageInfo *image_info,ExceptionInfo *exception)
90%
91% A description of each parameter follows:
92%
93% o image_info: the image info.
94%
95% o exception: return any errors or warnings in this structure.
96%
97*/
98static Image *ReadXPSImage(const ImageInfo *image_info,ExceptionInfo *exception)
99{
100#define CropBox "CropBox"
101#define DeviceCMYK "DeviceCMYK"
102#define MediaBox "MediaBox"
103#define RenderXPSText " Rendering XPS... "
104
105 char
106 command[MaxTextExtent],
107 density[MaxTextExtent],
108 filename[MaxTextExtent],
109 geometry[MaxTextExtent],
110 options[MaxTextExtent],
111 input_filename[MaxTextExtent];
112
113 const DelegateInfo
114 *delegate_info;
115
116 Image
117 *image,
118 *next_image;
119
120 ImageInfo
121 *read_info;
122
123 MagickBooleanType
124 cmyk,
125 status;
126
127 PointInfo
128 delta;
129
130 RectangleInfo
131 bounding_box,
132 page;
133
134 register char
135 *p;
136
137 register long
138 c;
139
140 SegmentInfo
141 bounds;
142
143 ssize_t
144 count;
145
146 unsigned long
147 height,
148 width;
149
150 assert(image_info != (const ImageInfo *) NULL);
151 assert(image_info->signature == MagickSignature);
152 if (image_info->debug != MagickFalse)
153 (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",
154 image_info->filename);
155 assert(exception != (ExceptionInfo *) NULL);
156 assert(exception->signature == MagickSignature);
157 /*
158 Open image file.
159 */
160 image=AcquireImage(image_info);
161 status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception);
162 if (status == MagickFalse)
163 {
164 image=DestroyImageList(image);
165 return((Image *) NULL);
166 }
167 status=AcquireUniqueSymbolicLink(image_info->filename,input_filename);
168 if (status == MagickFalse)
169 {
170 ThrowFileException(exception,FileOpenError,"UnableToCreateTemporaryFile",
171 image_info->filename);
172 image=DestroyImageList(image);
173 return((Image *) NULL);
174 }
175 /*
176 Set the page density.
177 */
178 delta.x=DefaultResolution;
179 delta.y=DefaultResolution;
180 if ((image->x_resolution == 0.0) || (image->y_resolution == 0.0))
181 {
182 GeometryInfo
183 geometry_info;
184
185 MagickStatusType
186 flags;
187
188 flags=ParseGeometry(PSDensityGeometry,&geometry_info);
189 image->x_resolution=geometry_info.rho;
190 image->y_resolution=geometry_info.sigma;
191 if ((flags & SigmaValue) == 0)
192 image->y_resolution=image->x_resolution;
193 }
cristye7f51092010-01-17 00:39:37 +0000[diff] [blame]194 (void) FormatMagickString(density,MaxTextExtent,"%gx%g",
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]195 image->x_resolution,image->y_resolution);
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) < (MaxTextExtent-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=(unsigned long) (bounds.x2-bounds.x1+0.5);
252 height=(unsigned long) (bounds.y2-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) FormatMagickString(geometry,MaxTextExtent,"%lux%lu",
267 page.width,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 *options='\0';
278 if ((page.width == 0) || (page.height == 0))
279 (void) ParseAbsoluteGeometry(PSPageGeometry,&page);
280 if (image_info->page != (char *) NULL)
281 (void) ParseAbsoluteGeometry(image_info->page,&page);
282 page.width=(unsigned long) (page.width*image->y_resolution/delta.x+0.5);
283 page.height=(unsigned long) (page.height*image->y_resolution/delta.y+0.5);
284 (void) FormatMagickString(options,MaxTextExtent,"-g%lux%lu ",
285 page.width,page.height);
286 image=DestroyImage(image);
287 read_info=CloneImageInfo(image_info);
288 *read_info->magick='\0';
289 if (read_info->number_scenes != 0)
290 {
291 if (read_info->number_scenes != 1)
292 (void) FormatMagickString(options,MaxTextExtent,"-dLastPage=%lu",
293 read_info->scene+read_info->number_scenes);
294 else
295 (void) FormatMagickString(options,MaxTextExtent,
296 "-dFirstPage=%lu -dLastPage=%lu",read_info->scene+1,read_info->scene+
297 read_info->number_scenes);
298 read_info->number_scenes=0;
299 if (read_info->scenes != (char *) NULL)
300 *read_info->scenes='\0';
301 }
302 if (read_info->authenticate != (char *) NULL)
303 (void) FormatMagickString(options+strlen(options),MaxTextExtent,
304 " -sXPSPassword=%s",read_info->authenticate);
305 (void) CopyMagickString(filename,read_info->filename,MaxTextExtent);
306 (void) AcquireUniqueFilename(read_info->filename);
307 (void) FormatMagickString(command,MaxTextExtent,
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);
cristy6de4bc22010-01-12 17:10:35 +0000[diff] [blame]312 status=SystemCommand(MagickFalse,read_info->verbose,command,exception) != 0 ?
313 MagickTrue : MagickFalse;
cristy3ed852e2009-09-05 21:47:34 +0000[diff] [blame]314 image=ReadImage(read_info,exception);
315 (void) RelinquishUniqueFileResource(read_info->filename);
316 (void) RelinquishUniqueFileResource(input_filename);
317 read_info=DestroyImageInfo(read_info);
318 if (image == (Image *) NULL)
319 ThrowReaderException(DelegateError,"XPSDelegateFailed");
320 if (LocaleCompare(image->magick,"BMP") == 0)
321 {
322 Image
323 *cmyk_image;
324
325 cmyk_image=ConsolidateCMYKImages(image,&image->exception);
326 if (cmyk_image != (Image *) NULL)
327 {
328 image=DestroyImageList(image);
329 image=cmyk_image;
330 }
331 }
332 do
333 {
334 (void) CopyMagickString(image->filename,filename,MaxTextExtent);
335 image->page=page;
336 next_image=SyncNextImageInList(image);
337 if (next_image != (Image *) NULL)
338 image=next_image;
339 } while (next_image != (Image *) NULL);
340 return(GetFirstImageInList(image));
341}
342
343/*
344%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
345% %
346% %
347% %
348% R e g i s t e r X P S I m a g e %
349% %
350% %
351% %
352%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
353%
354% RegisterXPSImage() adds attributes for the Microsoft XML Paper Specification
355% format to the list of supported formats. The attributes include the image
356% format tag, a method to read and/or write the format, whether the format
357% supports the saving of more than one frame to the same file or blob,
358% whether the format supports native in-memory I/O, and a brief
359% description of the format.
360%
361% The format of the RegisterXPSImage method is:
362%
363% unsigned long RegisterXPSImage(void)
364%
365*/
366ModuleExport unsigned long RegisterXPSImage(void)
367{
368 MagickInfo
369 *entry;
370
371 entry=SetMagickInfo("XPS");
372 entry->decoder=(DecodeImageHandler *) ReadXPSImage;
373 entry->adjoin=MagickFalse;
374 entry->blob_support=MagickFalse;
375 entry->seekable_stream=MagickTrue;
376 entry->thread_support=EncoderThreadSupport;
377 entry->description=ConstantString("Microsoft XML Paper Specification");
378 entry->module=ConstantString("XPS");
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*/
402ModuleExport void UnregisterXPSImage(void)
403{
404 (void) UnregisterMagickInfo("XPS");
405}