MagickWand 6.9.13-50
Convert, Edit, Or Compose Bitmap Images
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stream.c
1/*
2%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
3% %
4% %
5% %
6% SSSSS TTTTT RRRR EEEEE AAA M M %
7% SS T R R E A A MM MM %
8% SSS T RRRR EEE AAAAA M M M %
9% SS T R R E A A M M %
10% SSSSS T R R EEEEE A A M M %
11% %
12% %
13% Stream Image to a Raw Image Format %
14% %
15% Software Design %
16% Cristy %
17% July 1992 %
18% %
19% %
20% Copyright 1999 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% https://imagemagick.org/license/ %
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% Stream is a lightweight tool to stream one or more pixel components of the
37% image or portion of the image to your choice of storage formats. It writes
38% the pixel components as they are read from the input image a row at a time
39% making stream desirable when working with large images or when you require
40% raw pixel components.
41%
42*/
43
44/*
45 Include declarations.
46*/
47#include "wand/studio.h"
48#include "wand/MagickWand.h"
49#include "wand/mogrify-private.h"
50#include "magick/stream-private.h"
51#include "magick/string-private.h"
52
53/*
54%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
55% %
56% %
57% %
58% S t r e a m I m a g e C o m m a n d %
59% %
60% %
61% %
62%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
63%
64% StreamImageCommand() is a lightweight method designed to extract pixels
65% from large image files to a raw format using a minimum of system resources.
66% The entire image or any regular portion of the image can be extracted.
67%
68% The format of the StreamImageCommand method is:
69%
70% MagickBooleanType StreamImageCommand(ImageInfo *image_info,int argc,
71% char **argv,char **metadata,ExceptionInfo *exception)
72%
73% A description of each parameter follows:
74%
75% o image_info: the image info.
76%
77% o argc: the number of elements in the argument vector.
78%
79% o argv: A text array containing the command line arguments.
80%
81% o metadata: any metadata is returned here.
82%
83% o exception: return any errors or warnings in this structure.
84%
85*/
86
87static MagickBooleanType StreamUsage(void)
88{
89 static const char
90 miscellaneous[] =
91 " -debug events display copious debugging information\n"
92 " -help print program options\n"
93 " -list type print a list of supported option arguments\n"
94 " -log format format of debugging information\n"
95 " -version print version information",
96 settings[] =
97 " -authenticate password\n"
98 " decipher image with this password\n"
99 " -channel type apply option to select image channels\n"
100 " -colorspace type alternate image colorspace\n"
101 " -compress type type of pixel compression when writing the image\n"
102 " -define format:option\n"
103 " define one or more image format options\n"
104 " -density geometry horizontal and vertical density of the image\n"
105 " -depth value image depth\n"
106 " -extract geometry extract area from image\n"
107 " -identify identify the format and characteristics of the image\n"
108 " -interlace type type of image interlacing scheme\n"
109 " -interpolate method pixel color interpolation method\n"
110 " -limit type value pixel cache resource limit\n"
111 " -map components one or more pixel components\n"
112 " -monitor monitor progress\n"
113 " -quantize colorspace reduce colors in this colorspace\n"
114 " -quiet suppress all warning messages\n"
115 " -regard-warnings pay attention to warning messages\n"
116 " -respect-parentheses settings remain in effect until parenthesis boundary\n"
117 " -sampling-factor geometry\n"
118 " horizontal and vertical sampling factor\n"
119 " -seed value seed a new sequence of pseudo-random numbers\n"
120 " -set attribute value set an image attribute\n"
121 " -size geometry width and height of image\n"
122 " -storage-type type pixel storage type\n"
123 " -synchronize synchronize image to storage device\n"
124 " -taint declare the image as modified\n"
125 " -transparent-color color\n"
126 " transparent color\n"
127 " -verbose print detailed information about the image\n"
128 " -virtual-pixel method\n"
129 " virtual pixel access method";
130
131 ListMagickVersion(stdout);
132 (void) printf("Usage: %s [options ...] input-image raw-image\n",
133 GetClientName());
134 (void) printf("\nImage Settings:\n");
135 (void) puts(settings);
136 (void) printf("\nMiscellaneous Options:\n");
137 (void) puts(miscellaneous);
138 (void) printf(
139 "\nBy default, the image format of `file' is determined by its magic\n");
140 (void) printf(
141 "number. To specify a particular image format, precede the filename\n");
142 (void) printf(
143 "with an image format name and a colon (i.e. ps:image) or specify the\n");
144 (void) printf(
145 "image type as the filename suffix (i.e. image.ps). Specify 'file' as\n");
146 (void) printf("'-' for standard input or output.\n");
147 return(MagickTrue);
148}
149
150WandExport MagickBooleanType StreamImageCommand(ImageInfo *image_info,
151 int argc,char **argv,char **metadata,ExceptionInfo *exception)
152{
153#define DestroyStream() \
154{ \
155 DestroyImageStack(); \
156 stream_info=DestroyStreamInfo(stream_info); \
157 for (i=0; i < (ssize_t) argc; i++) \
158 argv[i]=DestroyString(argv[i]); \
159 argv=(char **) RelinquishMagickMemory(argv); \
160}
161#define ThrowStreamException(asperity,tag,option) \
162{ \
163 char *message = GetExceptionMessage(errno); \
164 (void) ThrowMagickException(exception,GetMagickModule(),asperity,tag, \
165 "`%s'",option == (char *) NULL ? message : option); \
166 message=DestroyString(message); \
167 DestroyStream(); \
168 return(MagickFalse); \
169}
170#define ThrowStreamInvalidArgumentException(option,argument) \
171{ \
172 (void) ThrowMagickException(exception,GetMagickModule(),OptionError, \
173 "InvalidArgument","`%s': %s",option,argument); \
174 DestroyStream(); \
175 return(MagickFalse); \
176}
177
178 char
179 *filename,
180 *option;
181
182 const char
183 *format;
184
185 Image
186 *image = (Image *) NULL;
187
188 ImageStack
189 image_stack[MaxImageStackDepth+1];
190
191 MagickBooleanType
192 fire,
193 pend,
194 respect_parenthesis;
195
196 MagickStatusType
197 status;
198
199 ssize_t
200 i;
201
202 ssize_t
203 j,
204 k;
205
206 StreamInfo
207 *stream_info;
208
209 /*
210 Set defaults.
211 */
212 assert(image_info != (ImageInfo *) NULL);
213 assert(image_info->signature == MagickCoreSignature);
214 assert(exception != (ExceptionInfo *) NULL);
215 if (IsEventLogging() != MagickFalse)
216 (void) LogMagickEvent(TraceEvent,GetMagickModule(),"...");
217 (void) metadata;
218 if (argc == 2)
219 {
220 option=argv[1];
221 if ((LocaleCompare("version",option+1) == 0) ||
222 (LocaleCompare("-version",option+1) == 0))
223 {
224 ListMagickVersion(stdout);
225 return(MagickTrue);
226 }
227 }
228 if (argc < 3)
229 {
230 (void) ThrowMagickException(exception,GetMagickModule(),OptionError,
231 "MissingArgument","%s","");
232 (void) StreamUsage();
233 return(MagickFalse);
234 }
235 format="%w,%h,%m";
236 (void) format;
237 j=1;
238 k=0;
239 NewImageStack();
240 option=(char *) NULL;
241 pend=MagickFalse;
242 respect_parenthesis=MagickFalse;
243 stream_info=AcquireStreamInfo(image_info);
244 status=MagickTrue;
245 /*
246 Stream an image.
247 */
248 ReadCommandlLine(argc,&argv);
249 status=ExpandFilenames(&argc,&argv);
250 if (status == MagickFalse)
251 ThrowStreamException(ResourceLimitError,"MemoryAllocationFailed",
252 (char *) NULL);
253 status=OpenStream(image_info,stream_info,argv[argc-1],exception);
254 if (status == MagickFalse)
255 {
256 DestroyStream();
257 return(MagickFalse);
258 }
259 for (i=1; i < ((ssize_t) argc-1); i++)
260 {
261 option=argv[i];
262 if (LocaleCompare(option,"(") == 0)
263 {
264 FireImageStack(MagickFalse,MagickTrue,pend);
265 if (k == MaxImageStackDepth)
266 ThrowStreamException(OptionError,"ParenthesisNestedTooDeeply",option);
267 PushImageStack();
268 continue;
269 }
270 if (LocaleCompare(option,")") == 0)
271 {
272 FireImageStack(MagickFalse,MagickTrue,MagickTrue);
273 if (k == 0)
274 ThrowStreamException(OptionError,"UnableToParseExpression",option);
275 PopImageStack();
276 continue;
277 }
278 if (IsCommandOption(option) == MagickFalse)
279 {
280 Image
281 *images;
282
283 /*
284 Stream input image.
285 */
286 FireImageStack(MagickFalse,MagickFalse,pend);
287 filename=argv[i];
288 if ((LocaleCompare(filename,"--") == 0) && (i < ((ssize_t) argc-1)))
289 filename=argv[++i];
290 (void) CopyMagickString(image_info->filename,filename,MaxTextExtent);
291 images=StreamImage(image_info,stream_info,exception);
292 status&=(images != (Image *) NULL) &&
293 (exception->severity < ErrorException);
294 if (images == (Image *) NULL)
295 continue;
296 AppendImageStack(images);
297 continue;
298 }
299 pend=image != (Image *) NULL ? MagickTrue : MagickFalse;
300 switch (*(option+1))
301 {
302 case 'a':
303 {
304 if (LocaleCompare("authenticate",option+1) == 0)
305 {
306 if (*option == '+')
307 break;
308 i++;
309 if (i == (ssize_t) argc)
310 ThrowStreamException(OptionError,"MissingArgument",option);
311 break;
312 }
313 ThrowStreamException(OptionError,"UnrecognizedOption",option)
314 }
315 case 'c':
316 {
317 if (LocaleCompare("cache",option+1) == 0)
318 {
319 if (*option == '+')
320 break;
321 i++;
322 if (i == (ssize_t) argc)
323 ThrowStreamException(OptionError,"MissingArgument",option);
324 if (IsGeometry(argv[i]) == MagickFalse)
325 ThrowStreamInvalidArgumentException(option,argv[i]);
326 break;
327 }
328 if (LocaleCompare("channel",option+1) == 0)
329 {
330 ssize_t
331 channel;
332
333 if (*option == '+')
334 break;
335 i++;
336 if (i == (ssize_t) argc)
337 ThrowStreamException(OptionError,"MissingArgument",option);
338 channel=ParseChannelOption(argv[i]);
339 if (channel < 0)
340 ThrowStreamException(OptionError,"UnrecognizedChannelType",
341 argv[i]);
342 break;
343 }
344 if (LocaleCompare("colorspace",option+1) == 0)
345 {
346 ssize_t
347 colorspace;
348
349 if (*option == '+')
350 break;
351 i++;
352 if (i == (ssize_t) argc)
353 ThrowStreamException(OptionError,"MissingArgument",option);
354 colorspace=ParseCommandOption(MagickColorspaceOptions,MagickFalse,
355 argv[i]);
356 if (colorspace < 0)
357 ThrowStreamException(OptionError,"UnrecognizedColorspace",
358 argv[i]);
359 break;
360 }
361 if (LocaleCompare("compress",option+1) == 0)
362 {
363 ssize_t
364 compress;
365
366 if (*option == '+')
367 break;
368 i++;
369 if (i == (ssize_t) argc)
370 ThrowStreamException(OptionError,"MissingArgument",option);
371 compress=ParseCommandOption(MagickCompressOptions,MagickFalse,
372 argv[i]);
373 if (compress < 0)
374 ThrowStreamException(OptionError,"UnrecognizedImageCompression",
375 argv[i]);
376 break;
377 }
378 if (LocaleCompare("concurrent",option+1) == 0)
379 break;
380 ThrowStreamException(OptionError,"UnrecognizedOption",option)
381 }
382 case 'd':
383 {
384 if (LocaleCompare("debug",option+1) == 0)
385 {
386 ssize_t
387 event;
388
389 if (*option == '+')
390 break;
391 i++;
392 if (i == (ssize_t) argc)
393 ThrowStreamException(OptionError,"MissingArgument",option);
394 event=ParseCommandOption(MagickLogEventOptions,MagickFalse,argv[i]);
395 if (event < 0)
396 ThrowStreamException(OptionError,"UnrecognizedEventType",argv[i]);
397 (void) SetLogEventMask(argv[i]);
398 break;
399 }
400 if (LocaleCompare("define",option+1) == 0)
401 {
402 i++;
403 if (i == (ssize_t) argc)
404 ThrowStreamException(OptionError,"MissingArgument",option);
405 if (*option == '+')
406 {
407 const char
408 *define;
409
410 define=GetImageOption(image_info,argv[i]);
411 if (define == (const char *) NULL)
412 ThrowStreamException(OptionError,"NoSuchOption",argv[i]);
413 break;
414 }
415 break;
416 }
417 if (LocaleCompare("density",option+1) == 0)
418 {
419 if (*option == '+')
420 break;
421 i++;
422 if (i == (ssize_t) argc)
423 ThrowStreamException(OptionError,"MissingArgument",option);
424 if (IsGeometry(argv[i]) == MagickFalse)
425 ThrowStreamInvalidArgumentException(option,argv[i]);
426 break;
427 }
428 if (LocaleCompare("depth",option+1) == 0)
429 {
430 if (*option == '+')
431 break;
432 i++;
433 if (i == (ssize_t) argc)
434 ThrowStreamException(OptionError,"MissingArgument",option);
435 if (IsGeometry(argv[i]) == MagickFalse)
436 ThrowStreamInvalidArgumentException(option,argv[i]);
437 break;
438 }
439 if (LocaleCompare("duration",option+1) == 0)
440 {
441 if (*option == '+')
442 break;
443 i++;
444 if (i == (ssize_t) argc)
445 ThrowStreamException(OptionError,"MissingArgument",option);
446 if (IsGeometry(argv[i]) == MagickFalse)
447 ThrowStreamInvalidArgumentException(option,argv[i]);
448 break;
449 }
450 ThrowStreamException(OptionError,"UnrecognizedOption",option)
451 }
452 case 'e':
453 {
454 if (LocaleCompare("extract",option+1) == 0)
455 {
456 if (*option == '+')
457 break;
458 i++;
459 if (i == (ssize_t) argc)
460 ThrowStreamException(OptionError,"MissingArgument",option);
461 if (IsGeometry(argv[i]) == MagickFalse)
462 ThrowStreamInvalidArgumentException(option,argv[i]);
463 break;
464 }
465 ThrowStreamException(OptionError,"UnrecognizedOption",option)
466 }
467 case 'h':
468 {
469 if ((LocaleCompare("help",option+1) == 0) ||
470 (LocaleCompare("-help",option+1) == 0))
471 {
472 DestroyStream();
473 return(StreamUsage());
474 }
475 ThrowStreamException(OptionError,"UnrecognizedOption",option)
476 }
477 case 'i':
478 {
479 if (LocaleCompare("identify",option+1) == 0)
480 break;
481 if (LocaleCompare("interlace",option+1) == 0)
482 {
483 ssize_t
484 interlace;
485
486 if (*option == '+')
487 break;
488 i++;
489 if (i == (ssize_t) argc)
490 ThrowStreamException(OptionError,"MissingArgument",option);
491 interlace=ParseCommandOption(MagickInterlaceOptions,MagickFalse,
492 argv[i]);
493 if (interlace < 0)
494 ThrowStreamException(OptionError,"UnrecognizedInterlaceType",
495 argv[i]);
496 break;
497 }
498 if (LocaleCompare("interpolate",option+1) == 0)
499 {
500 ssize_t
501 interpolate;
502
503 if (*option == '+')
504 break;
505 i++;
506 if (i == (ssize_t) argc)
507 ThrowStreamException(OptionError,"MissingArgument",option);
508 interpolate=ParseCommandOption(MagickInterpolateOptions,MagickFalse,
509 argv[i]);
510 if (interpolate < 0)
511 ThrowStreamException(OptionError,"UnrecognizedInterpolateMethod",
512 argv[i]);
513 break;
514 }
515 ThrowStreamException(OptionError,"UnrecognizedOption",option)
516 }
517 case 'l':
518 {
519 if (LocaleCompare("limit",option+1) == 0)
520 {
521 char
522 *p;
523
524 double
525 value;
526
527 ssize_t
528 resource;
529
530 if (*option == '+')
531 break;
532 i++;
533 if (i == (ssize_t) argc)
534 ThrowStreamException(OptionError,"MissingArgument",option);
535 resource=ParseCommandOption(MagickResourceOptions,MagickFalse,
536 argv[i]);
537 if (resource < 0)
538 ThrowStreamException(OptionError,"UnrecognizedResourceType",
539 argv[i]);
540 i++;
541 if (i == (ssize_t) argc)
542 ThrowStreamException(OptionError,"MissingArgument",option);
543 value=StringToDouble(argv[i],&p);
544 (void) value;
545 if ((p == argv[i]) && (LocaleCompare("unlimited",argv[i]) != 0))
546 ThrowStreamInvalidArgumentException(option,argv[i]);
547 break;
548 }
549 if (LocaleCompare("list",option+1) == 0)
550 {
551 ssize_t
552 list;
553
554 if (*option == '+')
555 break;
556 i++;
557 if (i == (ssize_t) argc)
558 ThrowStreamException(OptionError,"MissingArgument",option);
559 list=ParseCommandOption(MagickListOptions,MagickFalse,argv[i]);
560 if (list < 0)
561 ThrowStreamException(OptionError,"UnrecognizedListType",argv[i]);
562 status=MogrifyImageInfo(image_info,(int) (i-j+1),(const char **)
563 argv+j,exception);
564 DestroyStream();
565 return(status == 0 ? MagickFalse : MagickTrue);
566 }
567 if (LocaleCompare("log",option+1) == 0)
568 {
569 if (*option == '+')
570 break;
571 i++;
572 if ((i == (ssize_t) argc) || (strchr(argv[i],'%') == (char *) NULL))
573 ThrowStreamException(OptionError,"MissingArgument",option);
574 break;
575 }
576 ThrowStreamException(OptionError,"UnrecognizedOption",option)
577 }
578 case 'm':
579 {
580 if (LocaleCompare("map",option+1) == 0)
581 {
582 (void) CopyMagickString(argv[i]+1,"san",MaxTextExtent);
583 if (*option == '+')
584 break;
585 i++;
586 SetStreamInfoMap(stream_info,argv[i]);
587 break;
588 }
589 if (LocaleCompare("monitor",option+1) == 0)
590 break;
591 ThrowStreamException(OptionError,"UnrecognizedOption",option)
592 }
593 case 'q':
594 {
595 if (LocaleCompare("quantize",option+1) == 0)
596 {
597 ssize_t
598 colorspace;
599
600 if (*option == '+')
601 break;
602 i++;
603 if (i == (ssize_t) argc)
604 ThrowStreamException(OptionError,"MissingArgument",option);
605 colorspace=ParseCommandOption(MagickColorspaceOptions,
606 MagickFalse,argv[i]);
607 if (colorspace < 0)
608 ThrowStreamException(OptionError,"UnrecognizedColorspace",
609 argv[i]);
610 break;
611 }
612 if (LocaleCompare("quiet",option+1) == 0)
613 break;
614 ThrowStreamException(OptionError,"UnrecognizedOption",option)
615 }
616 case 'r':
617 {
618 if (LocaleCompare("regard-warnings",option+1) == 0)
619 break;
620 if (LocaleNCompare("respect-parentheses",option+1,17) == 0)
621 {
622 respect_parenthesis=(*option == '-') ? MagickTrue : MagickFalse;
623 break;
624 }
625 ThrowStreamException(OptionError,"UnrecognizedOption",option)
626 }
627 case 's':
628 {
629 if (LocaleCompare("sampling-factor",option+1) == 0)
630 {
631 if (*option == '+')
632 break;
633 i++;
634 if (i == (ssize_t) argc)
635 ThrowStreamException(OptionError,"MissingArgument",option);
636 if (IsGeometry(argv[i]) == MagickFalse)
637 ThrowStreamInvalidArgumentException(option,argv[i]);
638 break;
639 }
640 if (LocaleCompare("seed",option+1) == 0)
641 {
642 if (*option == '+')
643 break;
644 i++;
645 if (i == (ssize_t) argc)
646 ThrowStreamException(OptionError,"MissingArgument",option);
647 if (IsGeometry(argv[i]) == MagickFalse)
648 ThrowStreamInvalidArgumentException(option,argv[i]);
649 break;
650 }
651 if (LocaleCompare("set",option+1) == 0)
652 {
653 i++;
654 if (i == (ssize_t) argc)
655 ThrowStreamException(OptionError,"MissingArgument",option);
656 if (*option == '+')
657 break;
658 i++;
659 if (i == (ssize_t) argc)
660 ThrowStreamException(OptionError,"MissingArgument",option);
661 break;
662 }
663 if (LocaleCompare("size",option+1) == 0)
664 {
665 if (*option == '+')
666 break;
667 i++;
668 if (i == (ssize_t) argc)
669 ThrowStreamException(OptionError,"MissingArgument",option);
670 if (IsGeometry(argv[i]) == MagickFalse)
671 ThrowStreamInvalidArgumentException(option,argv[i]);
672 break;
673 }
674 if (LocaleCompare("storage-type",option+1) == 0)
675 {
676 ssize_t
677 type;
678
679 if (*option == '+')
680 break;
681 i++;
682 if (i == (ssize_t) argc)
683 ThrowStreamException(OptionError,"MissingArgument",option);
684 type=ParseCommandOption(MagickStorageOptions,MagickFalse,argv[i]);
685 if (type < 0)
686 ThrowStreamException(OptionError,"UnrecognizedStorageType",
687 argv[i]);
688 SetStreamInfoStorageType(stream_info,(StorageType) type);
689 break;
690 }
691 if (LocaleCompare("synchronize",option+1) == 0)
692 break;
693 ThrowStreamException(OptionError,"UnrecognizedOption",option)
694 }
695 case 't':
696 {
697 if (LocaleCompare("taint",option+1) == 0)
698 break;
699 if (LocaleCompare("transparent-color",option+1) == 0)
700 {
701 if (*option == '+')
702 break;
703 i++;
704 if (i == (ssize_t) argc)
705 ThrowStreamException(OptionError,"MissingArgument",option);
706 break;
707 }
708 ThrowStreamException(OptionError,"UnrecognizedOption",option)
709 }
710 case 'v':
711 {
712 if (LocaleCompare("verbose",option+1) == 0)
713 break;
714 if ((LocaleCompare("version",option+1) == 0) ||
715 (LocaleCompare("-version",option+1) == 0))
716 {
717 ListMagickVersion(stdout);
718 break;
719 }
720 if (LocaleCompare("virtual-pixel",option+1) == 0)
721 {
722 ssize_t
723 method;
724
725 if (*option == '+')
726 break;
727 i++;
728 if (i == (ssize_t) argc)
729 ThrowStreamException(OptionError,"MissingArgument",option);
730 method=ParseCommandOption(MagickVirtualPixelOptions,MagickFalse,
731 argv[i]);
732 if (method < 0)
733 ThrowStreamException(OptionError,"UnrecognizedVirtualPixelMethod",
734 argv[i]);
735 break;
736 }
737 ThrowStreamException(OptionError,"UnrecognizedOption",option)
738 }
739 case '?':
740 break;
741 default:
742 ThrowStreamException(OptionError,"UnrecognizedOption",option)
743 }
744 fire=(GetCommandOptionFlags(MagickCommandOptions,MagickFalse,option) &
745 FireOptionFlag) == 0 ? MagickFalse : MagickTrue;
746 if (fire != MagickFalse)
747 FireImageStack(MagickFalse,MagickTrue,MagickTrue);
748 }
749 if (k != 0)
750 ThrowStreamException(OptionError,"UnbalancedParenthesis",argv[i]);
751 if (i-- != ((ssize_t) argc-1))
752 ThrowStreamException(OptionError,"MissingAnImageFilename",argv[i]);
753 if (image == (Image *) NULL)
754 ThrowStreamException(OptionError,"MissingAnImageFilename",argv[i]);
755 FinalizeImageSettings(image_info,image,MagickTrue);
756 if (image == (Image *) NULL)
757 ThrowStreamException(OptionError,"MissingAnImageFilename",argv[i]);
758 DestroyStream();
759 return(status != 0 ? MagickTrue : MagickFalse);
760}