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cristy3ed852e2009-09-05 21:47:34 +00001/*
2%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
3% %
4% %
5% %
6% M M IIIII FFFFF FFFFF %
7% MM MM I F F %
8% M M M I FFF FFF %
9% M M I F F %
10% M M IIIII F F %
11% %
12% %
13% Read/Write MIFF Image Format %
14% %
15% Software Design %
16% John Cristy %
17% July 1992 %
18% %
19% %
cristy7e41fe82010-12-04 23:12:08 +000020% Copyright 1999-2011 ImageMagick Studio LLC, a non-profit organization %
cristy3ed852e2009-09-05 21:47:34 +000021% 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"
cristy5a2ca482009-10-14 18:24:56 +000043#include "magick/attribute.h"
cristy3ed852e2009-09-05 21:47:34 +000044#include "magick/blob.h"
45#include "magick/blob-private.h"
46#include "magick/cache.h"
47#include "magick/color.h"
cristy3ed852e2009-09-05 21:47:34 +000048#include "magick/color-private.h"
cristye7e40552010-04-24 21:34:22 +000049#include "magick/colormap.h"
50#include "magick/colormap-private.h"
cristy3ed852e2009-09-05 21:47:34 +000051#include "magick/colorspace.h"
52#include "magick/constitute.h"
53#include "magick/exception.h"
54#include "magick/exception-private.h"
55#include "magick/hashmap.h"
56#include "magick/geometry.h"
57#include "magick/image.h"
58#include "magick/image-private.h"
59#include "magick/list.h"
60#include "magick/magick.h"
61#include "magick/memory_.h"
cristyf2f27272009-12-17 14:48:46 +000062#include "magick/module.h"
cristy3ed852e2009-09-05 21:47:34 +000063#include "magick/monitor.h"
64#include "magick/monitor-private.h"
65#include "magick/option.h"
66#include "magick/pixel.h"
67#include "magick/profile.h"
68#include "magick/property.h"
69#include "magick/quantum-private.h"
70#include "magick/static.h"
71#include "magick/statistic.h"
72#include "magick/string_.h"
cristyf2f27272009-12-17 14:48:46 +000073#include "magick/string-private.h"
cristy3ed852e2009-09-05 21:47:34 +000074#if defined(MAGICKCORE_BZLIB_DELEGATE)
75#include "bzlib.h"
76#endif
cristy26377172010-12-20 19:01:58 +000077#if defined(MAGICKCORE_LZMA_DELEGATE)
78#include "lzma.h"
79#endif
80#if defined(MAGICKCORE_ZLIB_DELEGATE)
81#include "zlib.h"
82#endif
cristy3ed852e2009-09-05 21:47:34 +000083
84/*
cristya7a341e2010-12-22 20:28:51 +000085 Define declarations.
86*/
87#if !defined(LZMA_OK)
88#define LZMA_OK 0
89#endif
90
91/*
cristy3ed852e2009-09-05 21:47:34 +000092 Forward declarations.
93*/
94static MagickBooleanType
95 WriteMIFFImage(const ImageInfo *,Image *);
96
97/*
98%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
99% %
100% %
101% %
102% I s M I F F %
103% %
104% %
105% %
106%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
107%
108% IsMIFF() returns MagickTrue if the image format type, identified by the
109% magick string, is MIFF.
110%
111% The format of the IsMIFF method is:
112%
113% MagickBooleanType IsMIFF(const unsigned char *magick,const size_t length)
114%
115% A description of each parameter follows:
116%
117% o magick: compare image format pattern against these bytes.
118%
119% o length: Specifies the length of the magick string.
120%
121*/
122static MagickBooleanType IsMIFF(const unsigned char *magick,const size_t length)
123{
124 if (length < 14)
125 return(MagickFalse);
126 if (LocaleNCompare((const char *) magick,"id=ImageMagick",14) == 0)
127 return(MagickTrue);
128 return(MagickFalse);
129}
130
131/*
132%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
133% %
134% %
135% %
136% R e a d M I F F I m a g e %
137% %
138% %
139% %
140%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
141%
142% ReadMIFFImage() reads a MIFF image file and returns it. It allocates the
143% memory necessary for the new Image structure and returns a pointer to the
144% new image.
145%
146% The format of the ReadMIFFImage method is:
147%
148% Image *ReadMIFFImage(const ImageInfo *image_info,
149% ExceptionInfo *exception)
150%
151% Decompression code contributed by Kyle Shorter.
152%
153% A description of each parameter follows:
154%
155% o image_info: the image info.
156%
157% o exception: return any errors or warnings in this structure.
158%
159*/
160
161#if defined(MAGICKCORE_BZLIB_DELEGATE)
162static void *AcquireBZIPMemory(void *context,int items,int size)
163{
164 (void) context;
165 return((void *) AcquireQuantumMemory((size_t) items,(size_t) size));
166}
167#endif
168
cristy4b46dba2010-12-20 19:18:20 +0000169#if defined(MAGICKCORE_LZMA_DELEGATE)
170static void *AcquireLZMAMemory(void *context,size_t items,size_t size)
171{
172 (void) context;
173 return((void *) AcquireQuantumMemory((size_t) items,(size_t) size));
174}
175#endif
176
cristy3ed852e2009-09-05 21:47:34 +0000177#if defined(MAGICKCORE_ZLIB_DELEGATE)
178static voidpf AcquireZIPMemory(voidpf context,unsigned int items,
179 unsigned int size)
180{
181 (void) context;
182 return((voidpf) AcquireQuantumMemory(items,size));
183}
184#endif
185
186static inline size_t MagickMax(const size_t x,const size_t y)
187{
188 if (x > y)
189 return(x);
190 return(y);
191}
192
193static inline size_t MagickMin(const size_t x,const size_t y)
194{
195 if (x < y)
196 return(x);
197 return(y);
198}
199
200static void PushRunlengthPacket(Image *image,const unsigned char *pixels,
201 size_t *length,PixelPacket *pixel,IndexPacket *index)
202{
203 const unsigned char
204 *p;
205
206 p=pixels;
207 if (image->storage_class == PseudoClass)
208 {
209 *index=(IndexPacket) 0;
210 switch (image->depth)
211 {
212 case 32:
213 {
214 *index=ConstrainColormapIndex(image,
215 (*p << 24) | (*(p+1) << 16) | (*(p+2) << 8) | *(p+3));
216 p+=4;
217 break;
218 }
219 case 16:
220 {
221 *index=ConstrainColormapIndex(image,(*p << 8) | *(p+1));
222 p+=2;
223 break;
224 }
225 case 8:
226 {
227 *index=ConstrainColormapIndex(image,*p);
228 p++;
229 break;
230 }
231 default:
232 (void) ThrowMagickException(&image->exception,GetMagickModule(),
233 CorruptImageError,"ImageDepthNotSupported","`%s'",image->filename);
234 }
cristybb503372010-05-27 20:51:26 +0000235 *pixel=image->colormap[(ssize_t) *index];
cristy3ed852e2009-09-05 21:47:34 +0000236 switch (image->depth)
237 {
238 case 8:
239 {
240 unsigned char
241 quantum;
242
243 if (image->matte != MagickFalse)
244 {
245 p=PushCharPixel(p,&quantum);
246 pixel->opacity=ScaleCharToQuantum(quantum);
247 }
248 break;
249 }
250 case 16:
251 {
252 unsigned short
253 quantum;
254
255 if (image->matte != MagickFalse)
256 {
257 p=PushShortPixel(MSBEndian,p,&quantum);
258 pixel->opacity=(Quantum) (quantum >> (image->depth-
259 MAGICKCORE_QUANTUM_DEPTH));
260 }
261 break;
262 }
263 case 32:
264 {
cristy4cb162a2010-05-30 03:04:47 +0000265 unsigned int
cristy3ed852e2009-09-05 21:47:34 +0000266 quantum;
267
268 if (image->matte != MagickFalse)
269 {
270 p=PushLongPixel(MSBEndian,p,&quantum);
271 pixel->opacity=(Quantum) (quantum >> (image->depth-
272 MAGICKCORE_QUANTUM_DEPTH));
273 }
274 break;
275 }
276 default:
277 (void) ThrowMagickException(&image->exception,GetMagickModule(),
278 CorruptImageError,"ImageDepthNotSupported","`%s'",image->filename);
279 }
280 *length=(size_t) (*p++)+1;
281 return;
282 }
283 switch (image->depth)
284 {
285 case 8:
286 {
287 unsigned char
288 quantum;
289
290 p=PushCharPixel(p,&quantum);
cristyfbbafc92011-05-05 01:22:11 +0000291 SetRedPixelComponent(pixel,ScaleCharToQuantum(quantum));
cristy3ed852e2009-09-05 21:47:34 +0000292 p=PushCharPixel(p,&quantum);
cristyfbbafc92011-05-05 01:22:11 +0000293 SetGreenPixelComponent(pixel,ScaleCharToQuantum(quantum));
cristy3ed852e2009-09-05 21:47:34 +0000294 p=PushCharPixel(p,&quantum);
cristyfbbafc92011-05-05 01:22:11 +0000295 SetBluePixelComponent(pixel,ScaleCharToQuantum(quantum));
cristy3ed852e2009-09-05 21:47:34 +0000296 if (image->matte != MagickFalse)
297 {
298 p=PushCharPixel(p,&quantum);
cristyfbbafc92011-05-05 01:22:11 +0000299 SetOpacityPixelComponent(pixel,ScaleCharToQuantum(quantum));
cristy3ed852e2009-09-05 21:47:34 +0000300 }
301 if (image->colorspace == CMYKColorspace)
302 {
303 p=PushCharPixel(p,&quantum);
cristyfbbafc92011-05-05 01:22:11 +0000304 SetBlackPixelComponent(index,ScaleCharToQuantum(quantum));
cristy3ed852e2009-09-05 21:47:34 +0000305 }
306 break;
307 }
308 case 16:
309 {
310 unsigned short
311 quantum;
312
313 p=PushShortPixel(MSBEndian,p,&quantum);
cristyfbbafc92011-05-05 01:22:11 +0000314 SetRedPixelComponent(pixel,quantum >> (image->depth-
cristy3ed852e2009-09-05 21:47:34 +0000315 MAGICKCORE_QUANTUM_DEPTH));
316 p=PushShortPixel(MSBEndian,p,&quantum);
cristyfbbafc92011-05-05 01:22:11 +0000317 SetGreenPixelComponent(pixel,quantum >> (image->depth-
318 MAGICKCORE_QUANTUM_DEPTH));
319 p=PushShortPixel(MSBEndian,p,&quantum);
320 SetBluePixelComponent(pixel,quantum >> (image->depth-
cristy3ed852e2009-09-05 21:47:34 +0000321 MAGICKCORE_QUANTUM_DEPTH));
322 if (image->matte != MagickFalse)
323 {
324 p=PushShortPixel(MSBEndian,p,&quantum);
cristyfbbafc92011-05-05 01:22:11 +0000325 SetOpacityPixelComponent(pixel,quantum >> (image->depth-
cristy3ed852e2009-09-05 21:47:34 +0000326 MAGICKCORE_QUANTUM_DEPTH));
327 }
328 if (image->colorspace == CMYKColorspace)
329 {
330 p=PushShortPixel(MSBEndian,p,&quantum);
cristyfbbafc92011-05-05 01:22:11 +0000331 SetBlackPixelComponent(index,quantum >> (image->depth-
cristy3ed852e2009-09-05 21:47:34 +0000332 MAGICKCORE_QUANTUM_DEPTH));
333 }
334 break;
335 }
336 case 32:
337 {
cristy4cb162a2010-05-30 03:04:47 +0000338 unsigned int
cristy3ed852e2009-09-05 21:47:34 +0000339 quantum;
340
341 p=PushLongPixel(MSBEndian,p,&quantum);
cristyfbbafc92011-05-05 01:22:11 +0000342 SetRedPixelComponent(pixel,quantum >> (image->depth-
cristy3ed852e2009-09-05 21:47:34 +0000343 MAGICKCORE_QUANTUM_DEPTH));
344 p=PushLongPixel(MSBEndian,p,&quantum);
cristyfbbafc92011-05-05 01:22:11 +0000345 SetGreenPixelComponent(pixel,quantum >> (image->depth-
346 MAGICKCORE_QUANTUM_DEPTH));
347 p=PushLongPixel(MSBEndian,p,&quantum);
348 SetBluePixelComponent(pixel,quantum >> (image->depth-
cristy3ed852e2009-09-05 21:47:34 +0000349 MAGICKCORE_QUANTUM_DEPTH));
350 if (image->matte != MagickFalse)
351 {
352 p=PushLongPixel(MSBEndian,p,&quantum);
cristyfbbafc92011-05-05 01:22:11 +0000353 SetOpacityPixelComponent(pixel,quantum >> (image->depth-
cristy3ed852e2009-09-05 21:47:34 +0000354 MAGICKCORE_QUANTUM_DEPTH));
355 }
356 if (image->colorspace == CMYKColorspace)
357 {
358 p=PushLongPixel(MSBEndian,p,&quantum);
cristyfbbafc92011-05-05 01:22:11 +0000359 SetIndexPixelComponent(index,quantum >> (image->depth-
cristy3ed852e2009-09-05 21:47:34 +0000360 MAGICKCORE_QUANTUM_DEPTH));
361 }
362 break;
363 }
364 default:
365 (void) ThrowMagickException(&image->exception,GetMagickModule(),
366 CorruptImageError,"ImageDepthNotSupported","`%s'",image->filename);
367 }
368 *length=(size_t) (*p++)+1;
369}
370
cristy4b46dba2010-12-20 19:18:20 +0000371#if defined(MAGICKCORE_BZLIB_DELEGATE)
372static void RelinquishBZIPMemory(void *context,void *memory)
cristy3ed852e2009-09-05 21:47:34 +0000373{
374 (void) context;
375 memory=RelinquishMagickMemory(memory);
376}
377#endif
378
cristy4b46dba2010-12-20 19:18:20 +0000379#if defined(MAGICKCORE_LZMA_DELEGATE)
380static void RelinquishLZMAMemory(void *context,void *memory)
381{
382 (void) context;
383 memory=RelinquishMagickMemory(memory);
384}
385#endif
386
387#if defined(MAGICKCORE_ZLIB_DELEGATE)
388static void RelinquishZIPMemory(voidpf context,voidpf memory)
cristy3ed852e2009-09-05 21:47:34 +0000389{
390 (void) context;
391 memory=RelinquishMagickMemory(memory);
392}
393#endif
394
395static Image *ReadMIFFImage(const ImageInfo *image_info,
396 ExceptionInfo *exception)
397{
398#define BZipMaxExtent(x) ((x)+((x)/100)+600)
cristy26377172010-12-20 19:01:58 +0000399#define LZMAMaxExtent(x) ((x)+((x)/3)+128)
cristy3ed852e2009-09-05 21:47:34 +0000400#define ZipMaxExtent(x) ((x)+(((x)+7) >> 3)+(((x)+63) >> 6)+11)
401
402#if defined(MAGICKCORE_BZLIB_DELEGATE)
403 bz_stream
404 bzip_info;
405#endif
406
407 char
408 id[MaxTextExtent],
409 keyword[MaxTextExtent],
410 *options;
411
412 const unsigned char
413 *p;
414
415 double
416 version;
417
418 GeometryInfo
419 geometry_info;
420
421 Image
422 *image;
423
424 IndexPacket
425 index;
426
427 int
428 c,
429 code;
430
cristy26377172010-12-20 19:01:58 +0000431#if defined(MAGICKCORE_LZMA_DELEGATE)
432 lzma_stream
cristy330af6c2010-12-21 14:36:06 +0000433 initialize_lzma = LZMA_STREAM_INIT,
434 lzma_info;
cristy4b46dba2010-12-20 19:18:20 +0000435
436 lzma_allocator
437 allocator;
cristy26377172010-12-20 19:01:58 +0000438#endif
439
cristy3ed852e2009-09-05 21:47:34 +0000440 LinkedListInfo
441 *profiles;
442
cristy3ed852e2009-09-05 21:47:34 +0000443 MagickBooleanType
444 status;
445
446 MagickStatusType
447 flags;
448
449 PixelPacket
450 pixel;
451
452 QuantumFormatType
453 quantum_format;
454
455 QuantumInfo
456 *quantum_info;
457
458 QuantumType
459 quantum_type;
460
cristybb503372010-05-27 20:51:26 +0000461 register ssize_t
cristy3ed852e2009-09-05 21:47:34 +0000462 i;
463
464 size_t
465 length,
466 packet_size;
467
468 ssize_t
469 count;
470
471 unsigned char
472 *compress_pixels,
473 *pixels;
474
cristybb503372010-05-27 20:51:26 +0000475 size_t
cristy3ed852e2009-09-05 21:47:34 +0000476 colors;
477
cristy26377172010-12-20 19:01:58 +0000478 ssize_t
479 y;
480
cristy3ed852e2009-09-05 21:47:34 +0000481#if defined(MAGICKCORE_ZLIB_DELEGATE)
482 z_stream
483 zip_info;
484#endif
485
486 /*
487 Open image file.
488 */
489 assert(image_info != (const ImageInfo *) NULL);
490 assert(image_info->signature == MagickSignature);
491 if (image_info->debug != MagickFalse)
492 (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",
493 image_info->filename);
494 assert(exception != (ExceptionInfo *) NULL);
495 assert(exception->signature == MagickSignature);
496 image=AcquireImage(image_info);
497 status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception);
498 if (status == MagickFalse)
499 {
500 image=DestroyImageList(image);
501 return((Image *) NULL);
502 }
503 /*
504 Decode image header; header terminates one character beyond a ':'.
505 */
506 c=ReadBlobByte(image);
507 if (c == EOF)
508 ThrowReaderException(CorruptImageError,"ImproperImageHeader");
509 code=0;
510 *id='\0';
511 (void) ResetMagickMemory(keyword,0,sizeof(keyword));
512 version=0.0;
513 do
514 {
515 /*
516 Decode image header; header terminates one character beyond a ':'.
517 */
518 length=MaxTextExtent;
519 options=AcquireString((char *) NULL);
520 quantum_format=UndefinedQuantumFormat;
521 profiles=(LinkedListInfo *) NULL;
522 colors=0;
523 image->depth=8UL;
524 image->compression=NoCompression;
525 while ((isgraph(c) != MagickFalse) && (c != (int) ':'))
526 {
527 register char
528 *p;
529
530 if (c == (int) '{')
531 {
532 char
533 *comment;
534
535 /*
536 Read comment-- any text between { }.
537 */
538 length=MaxTextExtent;
539 comment=AcquireString((char *) NULL);
540 for (p=comment; comment != (char *) NULL; p++)
541 {
542 c=ReadBlobByte(image);
543 if ((c == EOF) || (c == (int) '}'))
544 break;
545 if ((size_t) (p-comment+1) >= length)
546 {
547 *p='\0';
548 length<<=1;
549 comment=(char *) ResizeQuantumMemory(comment,length+
550 MaxTextExtent,sizeof(*comment));
551 if (comment == (char *) NULL)
552 break;
553 p=comment+strlen(comment);
554 }
555 *p=(char) c;
556 }
557 if (comment == (char *) NULL)
558 ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
559 *p='\0';
560 (void) SetImageProperty(image,"comment",comment);
561 comment=DestroyString(comment);
562 c=ReadBlobByte(image);
563 }
564 else
565 if (isalnum(c) != MagickFalse)
566 {
567 /*
568 Get the keyword.
569 */
570 p=keyword;
571 do
572 {
cristy3ed852e2009-09-05 21:47:34 +0000573 if (c == (int) '=')
574 break;
575 if ((size_t) (p-keyword) < (MaxTextExtent-1))
576 *p++=(char) c;
577 c=ReadBlobByte(image);
578 } while (c != EOF);
579 *p='\0';
580 p=options;
cristy93505cf2010-08-10 21:37:49 +0000581 while ((isspace((int) ((unsigned char) c)) != 0) && (c != EOF))
cristy3ed852e2009-09-05 21:47:34 +0000582 c=ReadBlobByte(image);
583 if (c == (int) '=')
584 {
585 /*
586 Get the keyword value.
587 */
588 c=ReadBlobByte(image);
589 while ((c != (int) '}') && (c != EOF))
590 {
591 if ((size_t) (p-options+1) >= length)
592 {
593 *p='\0';
594 length<<=1;
595 options=(char *) ResizeQuantumMemory(options,length+
596 MaxTextExtent,sizeof(*options));
597 if (options == (char *) NULL)
598 break;
599 p=options+strlen(options);
600 }
601 if (options == (char *) NULL)
602 ThrowReaderException(ResourceLimitError,
603 "MemoryAllocationFailed");
604 *p++=(char) c;
605 c=ReadBlobByte(image);
606 if (*options != '{')
607 if (isspace((int) ((unsigned char) c)) != 0)
608 break;
609 }
610 }
611 *p='\0';
612 if (*options == '{')
613 (void) CopyMagickString(options,options+1,MaxTextExtent);
614 /*
615 Assign a value to the specified keyword.
616 */
617 switch (*keyword)
618 {
619 case 'b':
620 case 'B':
621 {
622 if (LocaleCompare(keyword,"background-color") == 0)
623 {
624 (void) QueryColorDatabase(options,&image->background_color,
625 exception);
626 break;
627 }
628 if (LocaleCompare(keyword,"blue-primary") == 0)
629 {
630 flags=ParseGeometry(options,&geometry_info);
631 image->chromaticity.blue_primary.x=geometry_info.rho;
632 image->chromaticity.blue_primary.y=geometry_info.sigma;
633 if ((flags & SigmaValue) == 0)
634 image->chromaticity.blue_primary.y=
635 image->chromaticity.blue_primary.x;
636 break;
637 }
638 if (LocaleCompare(keyword,"border-color") == 0)
639 {
640 (void) QueryColorDatabase(options,&image->border_color,
641 exception);
642 break;
643 }
644 (void) SetImageProperty(image,keyword,options);
645 break;
646 }
647 case 'c':
648 case 'C':
649 {
650 if (LocaleCompare(keyword,"class") == 0)
651 {
cristybb503372010-05-27 20:51:26 +0000652 ssize_t
cristy3ed852e2009-09-05 21:47:34 +0000653 storage_class;
654
cristy042ee782011-04-22 18:48:30 +0000655 storage_class=ParseCommandOption(MagickClassOptions,
cristy3ed852e2009-09-05 21:47:34 +0000656 MagickFalse,options);
657 if (storage_class < 0)
658 break;
659 image->storage_class=(ClassType) storage_class;
660 break;
661 }
662 if (LocaleCompare(keyword,"colors") == 0)
663 {
cristye27293e2009-12-18 02:53:20 +0000664 colors=StringToUnsignedLong(options);
cristy3ed852e2009-09-05 21:47:34 +0000665 break;
666 }
667 if (LocaleCompare(keyword,"colorspace") == 0)
668 {
cristybb503372010-05-27 20:51:26 +0000669 ssize_t
cristy3ed852e2009-09-05 21:47:34 +0000670 colorspace;
671
cristy042ee782011-04-22 18:48:30 +0000672 colorspace=ParseCommandOption(MagickColorspaceOptions,
cristy3ed852e2009-09-05 21:47:34 +0000673 MagickFalse,options);
674 if (colorspace < 0)
675 break;
676 image->colorspace=(ColorspaceType) colorspace;
677 break;
678 }
679 if (LocaleCompare(keyword,"compression") == 0)
680 {
cristybb503372010-05-27 20:51:26 +0000681 ssize_t
cristy3ed852e2009-09-05 21:47:34 +0000682 compression;
683
cristy042ee782011-04-22 18:48:30 +0000684 compression=ParseCommandOption(MagickCompressOptions,
cristy3ed852e2009-09-05 21:47:34 +0000685 MagickFalse,options);
686 if (compression < 0)
687 break;
688 image->compression=(CompressionType) compression;
689 break;
690 }
691 if (LocaleCompare(keyword,"columns") == 0)
692 {
cristye27293e2009-12-18 02:53:20 +0000693 image->columns=StringToUnsignedLong(options);
cristy3ed852e2009-09-05 21:47:34 +0000694 break;
695 }
696 (void) SetImageProperty(image,keyword,options);
697 break;
698 }
699 case 'd':
700 case 'D':
701 {
702 if (LocaleCompare(keyword,"delay") == 0)
703 {
cristye27293e2009-12-18 02:53:20 +0000704 image->delay=StringToUnsignedLong(options);
cristy3ed852e2009-09-05 21:47:34 +0000705 break;
706 }
707 if (LocaleCompare(keyword,"depth") == 0)
708 {
cristye27293e2009-12-18 02:53:20 +0000709 image->depth=StringToUnsignedLong(options);
cristy3ed852e2009-09-05 21:47:34 +0000710 break;
711 }
712 if (LocaleCompare(keyword,"dispose") == 0)
713 {
cristybb503372010-05-27 20:51:26 +0000714 ssize_t
cristy3ed852e2009-09-05 21:47:34 +0000715 dispose;
716
cristy042ee782011-04-22 18:48:30 +0000717 dispose=ParseCommandOption(MagickDisposeOptions,MagickFalse,
cristy3ed852e2009-09-05 21:47:34 +0000718 options);
719 if (dispose < 0)
720 break;
721 image->dispose=(DisposeType) dispose;
722 break;
723 }
724 (void) SetImageProperty(image,keyword,options);
725 break;
726 }
727 case 'e':
728 case 'E':
729 {
730 if (LocaleCompare(keyword,"endian") == 0)
731 {
cristybb503372010-05-27 20:51:26 +0000732 ssize_t
cristy3ed852e2009-09-05 21:47:34 +0000733 endian;
734
cristy042ee782011-04-22 18:48:30 +0000735 endian=ParseCommandOption(MagickEndianOptions,MagickFalse,
cristy3ed852e2009-09-05 21:47:34 +0000736 options);
737 if (endian < 0)
738 break;
739 image->endian=(EndianType) endian;
740 break;
741 }
742 (void) SetImageProperty(image,keyword,options);
743 break;
744 }
745 case 'g':
746 case 'G':
747 {
748 if (LocaleCompare(keyword,"gamma") == 0)
749 {
cristyb51dff52011-05-19 16:55:47 +0000750 image->gamma=LocaleToDouble(options,(char **) NULL);
cristy3ed852e2009-09-05 21:47:34 +0000751 break;
752 }
753 if (LocaleCompare(keyword,"gravity") == 0)
754 {
cristybb503372010-05-27 20:51:26 +0000755 ssize_t
cristy3ed852e2009-09-05 21:47:34 +0000756 gravity;
757
cristy042ee782011-04-22 18:48:30 +0000758 gravity=ParseCommandOption(MagickGravityOptions,MagickFalse,
cristy3ed852e2009-09-05 21:47:34 +0000759 options);
760 if (gravity < 0)
761 break;
762 image->gravity=(GravityType) gravity;
763 break;
764 }
765 if (LocaleCompare(keyword,"green-primary") == 0)
766 {
767 flags=ParseGeometry(options,&geometry_info);
768 image->chromaticity.green_primary.x=geometry_info.rho;
769 image->chromaticity.green_primary.y=geometry_info.sigma;
770 if ((flags & SigmaValue) == 0)
771 image->chromaticity.green_primary.y=
772 image->chromaticity.green_primary.x;
773 break;
774 }
775 (void) SetImageProperty(image,keyword,options);
776 break;
777 }
778 case 'i':
779 case 'I':
780 {
781 if (LocaleCompare(keyword,"id") == 0)
782 {
783 (void) CopyMagickString(id,options,MaxTextExtent);
784 break;
785 }
786 if (LocaleCompare(keyword,"iterations") == 0)
787 {
cristye27293e2009-12-18 02:53:20 +0000788 image->iterations=StringToUnsignedLong(options);
cristy3ed852e2009-09-05 21:47:34 +0000789 break;
790 }
791 (void) SetImageProperty(image,keyword,options);
792 break;
793 }
794 case 'm':
795 case 'M':
796 {
797 if (LocaleCompare(keyword,"matte") == 0)
798 {
cristybb503372010-05-27 20:51:26 +0000799 ssize_t
cristy3ed852e2009-09-05 21:47:34 +0000800 matte;
801
cristy042ee782011-04-22 18:48:30 +0000802 matte=ParseCommandOption(MagickBooleanOptions,MagickFalse,
cristy3ed852e2009-09-05 21:47:34 +0000803 options);
804 if (matte < 0)
805 break;
806 image->matte=(MagickBooleanType) matte;
807 break;
808 }
809 if (LocaleCompare(keyword,"matte-color") == 0)
810 {
811 (void) QueryColorDatabase(options,&image->matte_color,
812 exception);
813 break;
814 }
815 if (LocaleCompare(keyword,"montage") == 0)
816 {
817 (void) CloneString(&image->montage,options);
818 break;
819 }
820 (void) SetImageProperty(image,keyword,options);
821 break;
822 }
823 case 'o':
824 case 'O':
825 {
826 if (LocaleCompare(keyword,"opaque") == 0)
827 {
cristybb503372010-05-27 20:51:26 +0000828 ssize_t
cristy3ed852e2009-09-05 21:47:34 +0000829 matte;
830
cristy042ee782011-04-22 18:48:30 +0000831 matte=ParseCommandOption(MagickBooleanOptions,MagickFalse,
cristy3ed852e2009-09-05 21:47:34 +0000832 options);
833 if (matte < 0)
834 break;
835 image->matte=(MagickBooleanType) matte;
836 break;
837 }
838 if (LocaleCompare(keyword,"orientation") == 0)
839 {
cristybb503372010-05-27 20:51:26 +0000840 ssize_t
cristy3ed852e2009-09-05 21:47:34 +0000841 orientation;
842
cristy042ee782011-04-22 18:48:30 +0000843 orientation=ParseCommandOption(MagickOrientationOptions,
cristy3ed852e2009-09-05 21:47:34 +0000844 MagickFalse,options);
845 if (orientation < 0)
846 break;
847 image->orientation=(OrientationType) orientation;
848 break;
849 }
850 (void) SetImageProperty(image,keyword,options);
851 break;
852 }
853 case 'p':
854 case 'P':
855 {
856 if (LocaleCompare(keyword,"page") == 0)
857 {
858 char
859 *geometry;
860
861 geometry=GetPageGeometry(options);
862 (void) ParseAbsoluteGeometry(geometry,&image->page);
863 geometry=DestroyString(geometry);
864 break;
865 }
866 if ((LocaleNCompare(keyword,"profile:",8) == 0) ||
867 (LocaleNCompare(keyword,"profile-",8) == 0))
868 {
869 StringInfo
870 *profile;
871
872 if (profiles == (LinkedListInfo *) NULL)
873 profiles=NewLinkedList(0);
874 (void) AppendValueToLinkedList(profiles,
875 AcquireString(keyword+8));
cristyf2f27272009-12-17 14:48:46 +0000876 profile=AcquireStringInfo((size_t) StringToLong(options));
cristy3ed852e2009-09-05 21:47:34 +0000877 (void) SetImageProfile(image,keyword+8,profile);
878 profile=DestroyStringInfo(profile);
879 break;
880 }
881 (void) SetImageProperty(image,keyword,options);
882 break;
883 }
884 case 'q':
885 case 'Q':
886 {
887 if (LocaleCompare(keyword,"quality") == 0)
888 {
cristye27293e2009-12-18 02:53:20 +0000889 image->quality=StringToUnsignedLong(options);
cristy3ed852e2009-09-05 21:47:34 +0000890 break;
891 }
892 if ((LocaleCompare(keyword,"quantum-format") == 0) ||
893 (LocaleCompare(keyword,"quantum:format") == 0))
894 {
cristybb503372010-05-27 20:51:26 +0000895 ssize_t
cristy3ed852e2009-09-05 21:47:34 +0000896 format;
897
cristy042ee782011-04-22 18:48:30 +0000898 format=ParseCommandOption(MagickQuantumFormatOptions,
cristy3ed852e2009-09-05 21:47:34 +0000899 MagickFalse,options);
900 if (format < 0)
901 break;
902 quantum_format=(QuantumFormatType) format;
903 break;
904 }
905 (void) SetImageProperty(image,keyword,options);
906 break;
907 }
908 case 'r':
909 case 'R':
910 {
911 if (LocaleCompare(keyword,"red-primary") == 0)
912 {
913 flags=ParseGeometry(options,&geometry_info);
914 image->chromaticity.red_primary.x=geometry_info.rho;
915 image->chromaticity.red_primary.y=geometry_info.sigma;
916 if ((flags & SigmaValue) == 0)
917 image->chromaticity.red_primary.y=
918 image->chromaticity.red_primary.x;
919 break;
920 }
921 if (LocaleCompare(keyword,"rendering-intent") == 0)
922 {
cristybb503372010-05-27 20:51:26 +0000923 ssize_t
cristy3ed852e2009-09-05 21:47:34 +0000924 rendering_intent;
925
cristy042ee782011-04-22 18:48:30 +0000926 rendering_intent=ParseCommandOption(MagickIntentOptions,
cristy3ed852e2009-09-05 21:47:34 +0000927 MagickFalse,options);
928 if (rendering_intent < 0)
929 break;
930 image->rendering_intent=(RenderingIntent) rendering_intent;
931 break;
932 }
933 if (LocaleCompare(keyword,"resolution") == 0)
934 {
935 flags=ParseGeometry(options,&geometry_info);
936 image->x_resolution=geometry_info.rho;
937 image->y_resolution=geometry_info.sigma;
938 if ((flags & SigmaValue) == 0)
939 image->y_resolution=image->x_resolution;
940 break;
941 }
942 if (LocaleCompare(keyword,"rows") == 0)
943 {
cristye27293e2009-12-18 02:53:20 +0000944 image->rows=StringToUnsignedLong(options);
cristy3ed852e2009-09-05 21:47:34 +0000945 break;
946 }
947 (void) SetImageProperty(image,keyword,options);
948 break;
949 }
950 case 's':
951 case 'S':
952 {
953 if (LocaleCompare(keyword,"scene") == 0)
954 {
cristye27293e2009-12-18 02:53:20 +0000955 image->scene=StringToUnsignedLong(options);
cristy3ed852e2009-09-05 21:47:34 +0000956 break;
957 }
958 (void) SetImageProperty(image,keyword,options);
959 break;
960 }
961 case 't':
962 case 'T':
963 {
964 if (LocaleCompare(keyword,"ticks-per-second") == 0)
965 {
cristy15893a42010-11-20 18:57:15 +0000966 image->ticks_per_second=(ssize_t) StringToLong(options);
cristy3ed852e2009-09-05 21:47:34 +0000967 break;
968 }
969 if (LocaleCompare(keyword,"tile-offset") == 0)
970 {
971 char
972 *geometry;
973
974 geometry=GetPageGeometry(options);
975 (void) ParseAbsoluteGeometry(geometry,&image->tile_offset);
976 geometry=DestroyString(geometry);
977 break;
978 }
979 if (LocaleCompare(keyword,"type") == 0)
980 {
cristybb503372010-05-27 20:51:26 +0000981 ssize_t
cristy3ed852e2009-09-05 21:47:34 +0000982 type;
983
cristy042ee782011-04-22 18:48:30 +0000984 type=ParseCommandOption(MagickTypeOptions,MagickFalse,
cristy3ed852e2009-09-05 21:47:34 +0000985 options);
986 if (type < 0)
987 break;
988 image->type=(ImageType) type;
989 break;
990 }
991 (void) SetImageProperty(image,keyword,options);
992 break;
993 }
994 case 'u':
995 case 'U':
996 {
997 if (LocaleCompare(keyword,"units") == 0)
998 {
cristybb503372010-05-27 20:51:26 +0000999 ssize_t
cristy3ed852e2009-09-05 21:47:34 +00001000 units;
1001
cristyfbbafc92011-05-05 01:22:11 +00001002 units=ParseCommandOption(MagickResolutionOptions,
1003 MagickFalse,options);
cristy3ed852e2009-09-05 21:47:34 +00001004 if (units < 0)
1005 break;
1006 image->units=(ResolutionType) units;
1007 break;
1008 }
1009 (void) SetImageProperty(image,keyword,options);
1010 break;
1011 }
1012 case 'v':
1013 case 'V':
1014 {
1015 if (LocaleCompare(keyword,"version") == 0)
1016 {
cristyb51dff52011-05-19 16:55:47 +00001017 version=LocaleToDouble(options,(char **) NULL);
cristy3ed852e2009-09-05 21:47:34 +00001018 break;
1019 }
1020 (void) SetImageProperty(image,keyword,options);
1021 break;
1022 }
1023 case 'w':
1024 case 'W':
1025 {
1026 if (LocaleCompare(keyword,"white-point") == 0)
1027 {
1028 flags=ParseGeometry(options,&geometry_info);
1029 image->chromaticity.white_point.x=geometry_info.rho;
1030 image->chromaticity.white_point.y=geometry_info.rho;
1031 if ((flags & SigmaValue) != 0)
1032 image->chromaticity.white_point.y=
1033 image->chromaticity.white_point.x;
1034 break;
1035 }
1036 (void) SetImageProperty(image,keyword,options);
1037 break;
1038 }
1039 default:
1040 {
1041 (void) SetImageProperty(image,keyword,options);
1042 break;
1043 }
1044 }
1045 }
1046 else
1047 c=ReadBlobByte(image);
1048 while (isspace((int) ((unsigned char) c)) != 0)
1049 c=ReadBlobByte(image);
1050 }
1051 options=DestroyString(options);
1052 (void) ReadBlobByte(image);
1053 /*
1054 Verify that required image information is defined.
1055 */
1056 if ((LocaleCompare(id,"ImageMagick") != 0) ||
1057 (image->storage_class == UndefinedClass) ||
1058 (image->columns == 0) || (image->rows == 0))
1059 ThrowReaderException(CorruptImageError,"ImproperImageHeader");
1060 if (image->montage != (char *) NULL)
1061 {
1062 register char
1063 *p;
1064
1065 /*
1066 Image directory.
1067 */
1068 length=MaxTextExtent;
1069 image->directory=AcquireString((char *) NULL);
1070 p=image->directory;
1071 do
1072 {
1073 *p='\0';
1074 if ((strlen(image->directory)+MaxTextExtent) >= length)
1075 {
1076 /*
1077 Allocate more memory for the image directory.
1078 */
1079 length<<=1;
1080 image->directory=(char *) ResizeQuantumMemory(image->directory,
1081 length+MaxTextExtent,sizeof(*image->directory));
1082 if (image->directory == (char *) NULL)
1083 ThrowReaderException(CorruptImageError,"UnableToReadImageData");
1084 p=image->directory+strlen(image->directory);
1085 }
1086 c=ReadBlobByte(image);
1087 *p++=(char) c;
1088 } while (c != (int) '\0');
1089 }
1090 if (profiles != (LinkedListInfo *) NULL)
1091 {
1092 const char
1093 *name;
1094
1095 const StringInfo
1096 *profile;
1097
1098 /*
1099 Read image profiles.
1100 */
1101 ResetLinkedListIterator(profiles);
1102 name=(const char *) GetNextValueInLinkedList(profiles);
1103 while (name != (const char *) NULL)
1104 {
1105 profile=GetImageProfile(image,name);
1106 if (profile != (StringInfo *) NULL)
1107 {
1108 register unsigned char
1109 *p;
1110
1111 p=GetStringInfoDatum(profile);
1112 count=ReadBlob(image,GetStringInfoLength(profile),p);
cristyda16f162011-02-19 23:52:17 +00001113 (void) count;
cristy3ed852e2009-09-05 21:47:34 +00001114 }
1115 name=(const char *) GetNextValueInLinkedList(profiles);
1116 }
1117 profiles=DestroyLinkedList(profiles,RelinquishMagickMemory);
1118 }
1119 image->depth=GetImageQuantumDepth(image,MagickFalse);
1120 if (image->storage_class == PseudoClass)
1121 {
1122 /*
1123 Create image colormap.
1124 */
1125 status=AcquireImageColormap(image,colors != 0 ? colors : 256);
1126 if (status == MagickFalse)
1127 ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
1128 if (colors != 0)
1129 {
1130 size_t
1131 packet_size;
1132
1133 unsigned char
1134 *colormap;
1135
1136 /*
1137 Read image colormap from file.
1138 */
1139 packet_size=(size_t) (3UL*image->depth/8UL);
1140 colormap=(unsigned char *) AcquireQuantumMemory(image->colors,
1141 packet_size*sizeof(*colormap));
1142 if (colormap == (unsigned char *) NULL)
1143 ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
1144 count=ReadBlob(image,packet_size*image->colors,colormap);
1145 p=colormap;
1146 switch (image->depth)
1147 {
1148 default:
1149 ThrowReaderException(CorruptImageError,
1150 "ImageDepthNotSupported");
1151 case 8:
1152 {
1153 unsigned char
1154 pixel;
1155
cristybb503372010-05-27 20:51:26 +00001156 for (i=0; i < (ssize_t) image->colors; i++)
cristy3ed852e2009-09-05 21:47:34 +00001157 {
1158 p=PushCharPixel(p,&pixel);
1159 image->colormap[i].red=ScaleCharToQuantum(pixel);
1160 p=PushCharPixel(p,&pixel);
1161 image->colormap[i].green=ScaleCharToQuantum(pixel);
1162 p=PushCharPixel(p,&pixel);
1163 image->colormap[i].blue=ScaleCharToQuantum(pixel);
1164 }
1165 break;
1166 }
1167 case 16:
1168 {
1169 unsigned short
1170 pixel;
1171
cristybb503372010-05-27 20:51:26 +00001172 for (i=0; i < (ssize_t) image->colors; i++)
cristy3ed852e2009-09-05 21:47:34 +00001173 {
1174 p=PushShortPixel(MSBEndian,p,&pixel);
1175 image->colormap[i].red=ScaleShortToQuantum(pixel);
1176 p=PushShortPixel(MSBEndian,p,&pixel);
1177 image->colormap[i].green=ScaleShortToQuantum(pixel);
1178 p=PushShortPixel(MSBEndian,p,&pixel);
1179 image->colormap[i].blue=ScaleShortToQuantum(pixel);
1180 }
1181 break;
1182 }
1183 case 32:
1184 {
cristy4cb162a2010-05-30 03:04:47 +00001185 unsigned int
cristy3ed852e2009-09-05 21:47:34 +00001186 pixel;
1187
cristybb503372010-05-27 20:51:26 +00001188 for (i=0; i < (ssize_t) image->colors; i++)
cristy3ed852e2009-09-05 21:47:34 +00001189 {
1190 p=PushLongPixel(MSBEndian,p,&pixel);
1191 image->colormap[i].red=ScaleLongToQuantum(pixel);
1192 p=PushLongPixel(MSBEndian,p,&pixel);
1193 image->colormap[i].green=ScaleLongToQuantum(pixel);
1194 p=PushLongPixel(MSBEndian,p,&pixel);
1195 image->colormap[i].blue=ScaleLongToQuantum(pixel);
1196 }
1197 break;
1198 }
1199 }
1200 colormap=(unsigned char *) RelinquishMagickMemory(colormap);
1201 }
1202 }
1203 if ((image_info->ping != MagickFalse) && (image_info->number_scenes != 0))
1204 if (image->scene >= (image_info->scene+image_info->number_scenes-1))
1205 break;
1206 /*
1207 Allocate image pixels.
1208 */
1209 quantum_info=AcquireQuantumInfo(image_info,image);
1210 if (quantum_info == (QuantumInfo *) NULL)
1211 ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
1212 if (quantum_format != UndefinedQuantumFormat)
1213 {
1214 status=SetQuantumFormat(image,quantum_info,quantum_format);
1215 if (status == MagickFalse)
1216 ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
1217 }
1218 packet_size=(size_t) (quantum_info->depth/8);
1219 if (image->storage_class == DirectClass)
1220 packet_size=(size_t) (3*quantum_info->depth/8);
1221 if (image->matte != MagickFalse)
1222 packet_size+=quantum_info->depth/8;
1223 if (image->colorspace == CMYKColorspace)
1224 packet_size+=quantum_info->depth/8;
1225 if (image->compression == RLECompression)
1226 packet_size++;
1227 length=image->columns;
cristy26377172010-12-20 19:01:58 +00001228 length=MagickMax(MagickMax(BZipMaxExtent(packet_size*image->columns),
1229 LZMAMaxExtent(packet_size*image->columns)),ZipMaxExtent(packet_size*
1230 image->columns));
cristy3ed852e2009-09-05 21:47:34 +00001231 compress_pixels=(unsigned char *) AcquireQuantumMemory(length,
1232 sizeof(*compress_pixels));
1233 if (compress_pixels == (unsigned char *) NULL)
1234 ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
1235 /*
1236 Read image pixels.
1237 */
1238 quantum_type=RGBQuantum;
1239 if (image->matte != MagickFalse)
1240 quantum_type=RGBAQuantum;
1241 if (image->colorspace == CMYKColorspace)
1242 {
1243 quantum_type=CMYKQuantum;
1244 if (image->matte != MagickFalse)
1245 quantum_type=CMYKAQuantum;
1246 }
1247 if (image->storage_class == PseudoClass)
1248 {
1249 quantum_type=IndexQuantum;
1250 if (image->matte != MagickFalse)
1251 quantum_type=IndexAlphaQuantum;
1252 }
1253 if (image->colorspace == GRAYColorspace)
1254 {
1255 quantum_type=GrayQuantum;
1256 if (image->matte != MagickFalse)
1257 quantum_type=GrayAlphaQuantum;
1258 }
cristy330af6c2010-12-21 14:36:06 +00001259 status=MagickTrue;
1260 switch (image->compression)
1261 {
1262#if defined(MAGICKCORE_BZLIB_DELEGATE)
1263 case BZipCompression:
1264 {
1265 (void) ResetMagickMemory(&bzip_info,0,sizeof(bzip_info));
1266 bzip_info.bzalloc=AcquireBZIPMemory;
1267 bzip_info.bzfree=RelinquishBZIPMemory;
1268 bzip_info.opaque=(void *) NULL;
1269 code=BZ2_bzDecompressInit(&bzip_info,(int) image_info->verbose,
1270 MagickFalse);
1271 if (code != BZ_OK)
1272 status=MagickFalse;
cristy330af6c2010-12-21 14:36:06 +00001273 break;
1274 }
1275#endif
1276#if defined(MAGICKCORE_LZMA_DELEGATE)
1277 case LZMACompression:
1278 {
cristy9d72f1a2010-12-21 20:46:59 +00001279 (void) ResetMagickMemory(&allocator,0,sizeof(allocator));
1280 allocator.alloc=AcquireLZMAMemory;
1281 allocator.free=RelinquishLZMAMemory;
cristy330af6c2010-12-21 14:36:06 +00001282 lzma_info=initialize_lzma;
cristy9d72f1a2010-12-21 20:46:59 +00001283 lzma_info.allocator=(&allocator);
cristy330af6c2010-12-21 14:36:06 +00001284 code=lzma_auto_decoder(&lzma_info,-1,0);
1285 if (code != LZMA_OK)
1286 status=MagickFalse;
cristy330af6c2010-12-21 14:36:06 +00001287 break;
1288 }
1289#endif
1290#if defined(MAGICKCORE_ZLIB_DELEGATE)
1291 case LZWCompression:
1292 case ZipCompression:
1293 {
1294 (void) ResetMagickMemory(&zip_info,0,sizeof(zip_info));
1295 zip_info.zalloc=AcquireZIPMemory;
1296 zip_info.zfree=RelinquishZIPMemory;
1297 zip_info.opaque=(voidpf) NULL;
1298 code=inflateInit(&zip_info);
1299 if (code != Z_OK)
1300 status=MagickFalse;
cristy330af6c2010-12-21 14:36:06 +00001301 break;
1302 }
1303#endif
1304 case RLECompression:
1305 {
1306 (void) ResetMagickMemory(&pixel,0,sizeof(pixel));
1307 pixel.opacity=(Quantum) TransparentOpacity;
1308 index=(IndexPacket) 0;
1309 break;
1310 }
1311 default:
1312 break;
1313 }
cristy3ed852e2009-09-05 21:47:34 +00001314 pixels=GetQuantumPixels(quantum_info);
1315 index=(IndexPacket) 0;
1316 length=0;
cristybb503372010-05-27 20:51:26 +00001317 for (y=0; y < (ssize_t) image->rows; y++)
cristy3ed852e2009-09-05 21:47:34 +00001318 {
1319 register IndexPacket
cristyc47d1f82009-11-26 01:44:43 +00001320 *restrict indexes;
cristy3ed852e2009-09-05 21:47:34 +00001321
cristybb503372010-05-27 20:51:26 +00001322 register ssize_t
cristy3ed852e2009-09-05 21:47:34 +00001323 x;
1324
1325 register PixelPacket
cristyc47d1f82009-11-26 01:44:43 +00001326 *restrict q;
cristy3ed852e2009-09-05 21:47:34 +00001327
cristy330af6c2010-12-21 14:36:06 +00001328 if (status == MagickFalse)
1329 break;
cristy3ed852e2009-09-05 21:47:34 +00001330 q=QueueAuthenticPixels(image,0,y,image->columns,1,exception);
1331 if (q == (PixelPacket *) NULL)
1332 break;
1333 indexes=GetAuthenticIndexQueue(image);
1334 switch (image->compression)
1335 {
cristy3ed852e2009-09-05 21:47:34 +00001336#if defined(MAGICKCORE_BZLIB_DELEGATE)
1337 case BZipCompression:
1338 {
cristy3ed852e2009-09-05 21:47:34 +00001339 bzip_info.next_out=(char *) pixels;
1340 bzip_info.avail_out=(unsigned int) (packet_size*image->columns);
1341 do
1342 {
1343 if (bzip_info.avail_in == 0)
1344 {
1345 bzip_info.next_in=(char *) compress_pixels;
1346 length=(size_t) BZipMaxExtent(packet_size*image->columns);
1347 if (version != 0)
1348 length=(size_t) ReadBlobMSBLong(image);
1349 bzip_info.avail_in=(unsigned int) ReadBlob(image,length,
1350 (unsigned char *) bzip_info.next_in);
1351 }
1352 if (BZ2_bzDecompress(&bzip_info) == BZ_STREAM_END)
1353 break;
1354 } while (bzip_info.avail_out != 0);
cristy26377172010-12-20 19:01:58 +00001355 (void) ImportQuantumPixels(image,(CacheView *) NULL,quantum_info,
1356 quantum_type,pixels,exception);
1357 break;
1358 }
1359#endif
1360#if defined(MAGICKCORE_LZMA_DELEGATE)
1361 case LZMACompression:
1362 {
cristy26377172010-12-20 19:01:58 +00001363 lzma_info.next_out=pixels;
cristy330af6c2010-12-21 14:36:06 +00001364 lzma_info.avail_out=packet_size*image->columns;
cristy26377172010-12-20 19:01:58 +00001365 do
1366 {
1367 if (lzma_info.avail_in == 0)
1368 {
1369 lzma_info.next_in=compress_pixels;
1370 length=(size_t) ReadBlobMSBLong(image);
1371 lzma_info.avail_in=(unsigned int) ReadBlob(image,length,
1372 (unsigned char *) lzma_info.next_in);
1373 }
1374 code=lzma_code(&lzma_info,LZMA_RUN);
cristy330af6c2010-12-21 14:36:06 +00001375 if (code < 0)
1376 {
1377 status=MagickFalse;
1378 break;
1379 }
1380 if (code == LZMA_STREAM_END)
cristy26377172010-12-20 19:01:58 +00001381 break;
1382 } while (lzma_info.avail_out != 0);
cristy26377172010-12-20 19:01:58 +00001383 (void) ImportQuantumPixels(image,(CacheView *) NULL,quantum_info,
1384 quantum_type,pixels,exception);
1385 break;
1386 }
1387#endif
1388#if defined(MAGICKCORE_ZLIB_DELEGATE)
1389 case LZWCompression:
1390 case ZipCompression:
1391 {
cristy26377172010-12-20 19:01:58 +00001392 zip_info.next_out=pixels;
1393 zip_info.avail_out=(uInt) (packet_size*image->columns);
1394 do
1395 {
1396 if (zip_info.avail_in == 0)
1397 {
1398 zip_info.next_in=compress_pixels;
1399 length=(size_t) ZipMaxExtent(packet_size*image->columns);
1400 if (version != 0)
1401 length=(size_t) ReadBlobMSBLong(image);
1402 zip_info.avail_in=(unsigned int) ReadBlob(image,length,
1403 zip_info.next_in);
1404 }
1405 if (inflate(&zip_info,Z_SYNC_FLUSH) == Z_STREAM_END)
1406 break;
1407 } while (zip_info.avail_out != 0);
cristy3ed852e2009-09-05 21:47:34 +00001408 (void) ImportQuantumPixels(image,(CacheView *) NULL,quantum_info,
1409 quantum_type,pixels,exception);
1410 break;
1411 }
1412#endif
1413 case RLECompression:
1414 {
cristybb503372010-05-27 20:51:26 +00001415 for (x=0; x < (ssize_t) image->columns; x++)
cristy3ed852e2009-09-05 21:47:34 +00001416 {
1417 if (length == 0)
1418 {
1419 count=ReadBlob(image,packet_size,pixels);
1420 PushRunlengthPacket(image,pixels,&length,&pixel,&index);
1421 }
1422 length--;
1423 if ((image->storage_class == PseudoClass) ||
1424 (image->colorspace == CMYKColorspace))
cristyaff6d802011-04-26 01:46:31 +00001425 SetIndexPixelComponent(indexes+x,index);
cristy9fff7b42011-04-29 01:09:31 +00001426 SetRedPixelComponent(q,pixel.red);
1427 SetGreenPixelComponent(q,pixel.green);
1428 SetBluePixelComponent(q,pixel.blue);
1429 SetOpacityPixelComponent(q,pixel.opacity);
1430 q++;
cristy3ed852e2009-09-05 21:47:34 +00001431 }
1432 break;
1433 }
1434 default:
1435 {
1436 count=ReadBlob(image,packet_size*image->columns,pixels);
1437 (void) ImportQuantumPixels(image,(CacheView *) NULL,quantum_info,
1438 quantum_type,pixels,exception);
1439 break;
1440 }
1441 }
1442 if (SyncAuthenticPixels(image,exception) == MagickFalse)
1443 break;
1444 }
1445 SetQuantumImageType(image,quantum_type);
cristy330af6c2010-12-21 14:36:06 +00001446 switch (image->compression)
1447 {
1448#if defined(MAGICKCORE_BZLIB_DELEGATE)
1449 case BZipCompression:
1450 {
1451 if (version == 0)
1452 {
1453 MagickOffsetType
1454 offset;
1455
1456 offset=SeekBlob(image,-((MagickOffsetType)
1457 bzip_info.avail_in),SEEK_CUR);
1458 if (offset < 0)
1459 ThrowReaderException(CorruptImageError,
1460 "ImproperImageHeader");
1461 }
1462 code=BZ2_bzDecompressEnd(&bzip_info);
1463 if (code != BZ_OK)
1464 status=MagickFalse;
1465 break;
1466 }
1467#endif
1468#if defined(MAGICKCORE_LZMA_DELEGATE)
1469 case LZMACompression:
1470 {
cristy3b788a02010-12-27 15:59:54 +00001471 code=lzma_code(&lzma_info,LZMA_FINISH);
1472 if ((code != LZMA_STREAM_END) && (code != LZMA_OK))
cristyb977da52010-12-22 15:55:53 +00001473 status=MagickFalse;
cristy330af6c2010-12-21 14:36:06 +00001474 lzma_end(&lzma_info);
1475 break;
1476 }
1477#endif
1478#if defined(MAGICKCORE_ZLIB_DELEGATE)
1479 case LZWCompression:
1480 case ZipCompression:
1481 {
1482 if (version == 0)
1483 {
1484 MagickOffsetType
1485 offset;
1486
1487 offset=SeekBlob(image,-((MagickOffsetType) zip_info.avail_in),
1488 SEEK_CUR);
1489 if (offset < 0)
1490 ThrowReaderException(CorruptImageError,
1491 "ImproperImageHeader");
1492 }
1493 code=inflateEnd(&zip_info);
1494 if (code != LZMA_OK)
1495 status=MagickFalse;
1496 break;
1497 }
1498#endif
1499 default:
1500 break;
1501 }
cristy3ed852e2009-09-05 21:47:34 +00001502 quantum_info=DestroyQuantumInfo(quantum_info);
1503 compress_pixels=(unsigned char *) RelinquishMagickMemory(compress_pixels);
cristybb503372010-05-27 20:51:26 +00001504 if (((y != (ssize_t) image->rows)) || (status == MagickFalse))
cristy3ed852e2009-09-05 21:47:34 +00001505 {
1506 image=DestroyImageList(image);
1507 return((Image *) NULL);
1508 }
1509 if (EOFBlob(image) != MagickFalse)
1510 {
1511 ThrowFileException(exception,CorruptImageError,"UnexpectedEndOfFile",
1512 image->filename);
1513 break;
1514 }
1515 /*
1516 Proceed to next image.
1517 */
1518 if (image_info->number_scenes != 0)
1519 if (image->scene >= (image_info->scene+image_info->number_scenes-1))
1520 break;
1521 do
1522 {
1523 c=ReadBlobByte(image);
1524 } while ((isgraph(c) == MagickFalse) && (c != EOF));
1525 if (c != EOF)
1526 {
1527 /*
1528 Allocate next image structure.
1529 */
1530 AcquireNextImage(image_info,image);
1531 if (GetNextImageInList(image) == (Image *) NULL)
1532 {
1533 image=DestroyImageList(image);
1534 return((Image *) NULL);
1535 }
1536 image=SyncNextImageInList(image);
1537 status=SetImageProgress(image,LoadImagesTag,TellBlob(image),
1538 GetBlobSize(image));
1539 if (status == MagickFalse)
1540 break;
1541 }
1542 } while (c != EOF);
1543 (void) CloseBlob(image);
1544 return(GetFirstImageInList(image));
1545}
1546
1547/*
1548%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1549% %
1550% %
1551% %
1552% R e g i s t e r M I F F I m a g e %
1553% %
1554% %
1555% %
1556%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1557%
1558% RegisterMIFFImage() adds properties for the MIFF image format to the list of
1559% supported formats. The properties include the image format tag, a method to
1560% read and/or write the format, whether the format supports the saving of more
1561% than one frame to the same file or blob, whether the format supports native
1562% in-memory I/O, and a brief description of the format.
1563%
1564% The format of the RegisterMIFFImage method is:
1565%
cristybb503372010-05-27 20:51:26 +00001566% size_t RegisterMIFFImage(void)
cristy3ed852e2009-09-05 21:47:34 +00001567%
1568*/
cristybb503372010-05-27 20:51:26 +00001569ModuleExport size_t RegisterMIFFImage(void)
cristy3ed852e2009-09-05 21:47:34 +00001570{
1571 char
1572 version[MaxTextExtent];
1573
1574 MagickInfo
1575 *entry;
1576
1577 *version='\0';
1578#if defined(MagickImageCoderSignatureText)
1579 (void) CopyMagickString(version,MagickLibVersionText,MaxTextExtent);
1580#if defined(ZLIB_VERSION)
1581 (void) ConcatenateMagickString(version," with Zlib ",MaxTextExtent);
1582 (void) ConcatenateMagickString(version,ZLIB_VERSION,MaxTextExtent);
1583#endif
1584#if defined(MAGICKCORE_BZLIB_DELEGATE)
1585 (void) ConcatenateMagickString(version," and BZlib",MaxTextExtent);
1586#endif
1587#endif
1588 entry=SetMagickInfo("MIFF");
1589 entry->decoder=(DecodeImageHandler *) ReadMIFFImage;
1590 entry->encoder=(EncodeImageHandler *) WriteMIFFImage;
1591 entry->magick=(IsImageFormatHandler *) IsMIFF;
cristyffaf9782011-04-13 19:50:51 +00001592 entry->seekable_stream=MagickTrue;
cristy3ed852e2009-09-05 21:47:34 +00001593 entry->description=ConstantString("Magick Image File Format");
1594 if (*version != '\0')
1595 entry->version=ConstantString(version);
1596 entry->module=ConstantString("MIFF");
1597 (void) RegisterMagickInfo(entry);
1598 return(MagickImageCoderSignature);
1599}
1600
1601/*
1602%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1603% %
1604% %
1605% %
1606% U n r e g i s t e r M I F F I m a g e %
1607% %
1608% %
1609% %
1610%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1611%
1612% UnregisterMIFFImage() removes format registrations made by the MIFF module
1613% from the list of supported formats.
1614%
1615% The format of the UnregisterMIFFImage method is:
1616%
1617% UnregisterMIFFImage(void)
1618%
1619*/
1620ModuleExport void UnregisterMIFFImage(void)
1621{
1622 (void) UnregisterMagickInfo("MIFF");
1623}
1624
1625/*
1626%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1627% %
1628% %
1629% %
1630% W r i t e M I F F I m a g e %
1631% %
1632% %
1633% %
1634%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1635%
1636% WriteMIFFImage() writes a MIFF image to a file.
1637%
1638% The format of the WriteMIFFImage method is:
1639%
1640% MagickBooleanType WriteMIFFImage(const ImageInfo *image_info,
1641% Image *image)
1642%
1643% Compression code contributed by Kyle Shorter.
1644%
1645% A description of each parameter follows:
1646%
1647% o image_info: the image info.
1648%
1649% o image: the image.
1650%
1651*/
1652
1653static unsigned char *PopRunlengthPacket(Image *image,unsigned char *pixels,
1654 size_t length,PixelPacket pixel,IndexPacket index)
1655{
1656 if (image->storage_class != DirectClass)
1657 {
1658 switch (image->depth)
1659 {
1660 case 32:
1661 {
cristybb503372010-05-27 20:51:26 +00001662 *pixels++=(unsigned char) ((size_t) index >> 24);
1663 *pixels++=(unsigned char) ((size_t) index >> 16);
cristy3ed852e2009-09-05 21:47:34 +00001664 }
1665 case 16:
cristybb503372010-05-27 20:51:26 +00001666 *pixels++=(unsigned char) ((size_t) index >> 8);
cristy3ed852e2009-09-05 21:47:34 +00001667 case 8:
1668 {
1669 *pixels++=(unsigned char) index;
1670 break;
1671 }
1672 default:
1673 (void) ThrowMagickException(&image->exception,GetMagickModule(),
1674 CorruptImageError,"ImageDepthNotSupported","`%s'",image->filename);
1675 }
1676 switch (image->depth)
1677 {
1678 case 32:
1679 {
cristy4cb162a2010-05-30 03:04:47 +00001680 unsigned int
cristy3ed852e2009-09-05 21:47:34 +00001681 value;
1682
1683 if (image->matte != MagickFalse)
1684 {
1685 value=ScaleQuantumToLong(pixel.opacity);
1686 pixels=PopLongPixel(MSBEndian,value,pixels);
1687 }
1688 break;
1689 }
1690 case 16:
1691 {
1692 unsigned short
1693 value;
1694
1695 if (image->matte != MagickFalse)
1696 {
1697 value=ScaleQuantumToShort(pixel.opacity);
1698 pixels=PopShortPixel(MSBEndian,value,pixels);
1699 }
1700 break;
1701 }
1702 case 8:
1703 {
1704 unsigned char
1705 value;
1706
1707 if (image->matte != MagickFalse)
1708 {
1709 value=(unsigned char) ScaleQuantumToChar(pixel.opacity);
1710 pixels=PopCharPixel(value,pixels);
1711 }
1712 break;
1713 }
1714 default:
1715 (void) ThrowMagickException(&image->exception,GetMagickModule(),
1716 CorruptImageError,"ImageDepthNotSupported","`%s'",image->filename);
1717 }
1718 *pixels++=(unsigned char) length;
1719 return(pixels);
1720 }
1721 switch (image->depth)
1722 {
1723 case 32:
1724 {
cristy4cb162a2010-05-30 03:04:47 +00001725 unsigned int
cristy3ed852e2009-09-05 21:47:34 +00001726 value;
1727
1728 value=ScaleQuantumToLong(pixel.red);
1729 pixels=PopLongPixel(MSBEndian,value,pixels);
1730 value=ScaleQuantumToLong(pixel.green);
1731 pixels=PopLongPixel(MSBEndian,value,pixels);
1732 value=ScaleQuantumToLong(pixel.blue);
1733 pixels=PopLongPixel(MSBEndian,value,pixels);
1734 if (image->matte != MagickFalse)
1735 {
1736 value=ScaleQuantumToLong(pixel.opacity);
1737 pixels=PopLongPixel(MSBEndian,value,pixels);
1738 }
1739 if (image->colorspace == CMYKColorspace)
1740 {
1741 value=ScaleQuantumToLong(index);
1742 pixels=PopLongPixel(MSBEndian,value,pixels);
1743 }
1744 break;
1745 }
1746 case 16:
1747 {
1748 unsigned short
1749 value;
1750
1751 value=ScaleQuantumToShort(pixel.red);
1752 pixels=PopShortPixel(MSBEndian,value,pixels);
1753 value=ScaleQuantumToShort(pixel.green);
1754 pixels=PopShortPixel(MSBEndian,value,pixels);
1755 value=ScaleQuantumToShort(pixel.blue);
1756 pixels=PopShortPixel(MSBEndian,value,pixels);
1757 if (image->matte != MagickFalse)
1758 {
1759 value=ScaleQuantumToShort(pixel.opacity);
1760 pixels=PopShortPixel(MSBEndian,value,pixels);
1761 }
1762 if (image->colorspace == CMYKColorspace)
1763 {
1764 value=ScaleQuantumToShort(index);
1765 pixels=PopShortPixel(MSBEndian,value,pixels);
1766 }
1767 break;
1768 }
1769 case 8:
1770 {
1771 unsigned char
1772 value;
1773
1774 value=(unsigned char) ScaleQuantumToChar(pixel.red);
1775 pixels=PopCharPixel(value,pixels);
1776 value=(unsigned char) ScaleQuantumToChar(pixel.green);
1777 pixels=PopCharPixel(value,pixels);
1778 value=(unsigned char) ScaleQuantumToChar(pixel.blue);
1779 pixels=PopCharPixel(value,pixels);
1780 if (image->matte != MagickFalse)
1781 {
1782 value=(unsigned char) ScaleQuantumToChar(pixel.opacity);
1783 pixels=PopCharPixel(value,pixels);
1784 }
1785 if (image->colorspace == CMYKColorspace)
1786 {
1787 value=(unsigned char) ScaleQuantumToChar(index);
1788 pixels=PopCharPixel(value,pixels);
1789 }
1790 break;
1791 }
1792 default:
1793 (void) ThrowMagickException(&image->exception,GetMagickModule(),
1794 CorruptImageError,"ImageDepthNotSupported","`%s'",image->filename);
1795 }
1796 *pixels++=(unsigned char) length;
1797 return(pixels);
1798}
1799
1800static MagickBooleanType WriteMIFFImage(const ImageInfo *image_info,
1801 Image *image)
1802{
1803#if defined(MAGICKCORE_BZLIB_DELEGATE)
1804 bz_stream
1805 bzip_info;
1806#endif
1807
1808 char
1809 buffer[MaxTextExtent];
1810
1811 CompressionType
1812 compression;
1813
1814 const char
1815 *property,
1816 *value;
1817
1818 IndexPacket
1819 index;
1820
1821 int
1822 code;
1823
cristy26377172010-12-20 19:01:58 +00001824#if defined(MAGICKCORE_LZMA_DELEGATE)
cristy4b46dba2010-12-20 19:18:20 +00001825 lzma_allocator
1826 allocator;
1827
cristy26377172010-12-20 19:01:58 +00001828 lzma_stream
cristy330af6c2010-12-21 14:36:06 +00001829 initialize_lzma = LZMA_STREAM_INIT,
1830 lzma_info;
cristy26377172010-12-20 19:01:58 +00001831#endif
cristy3ed852e2009-09-05 21:47:34 +00001832
1833 MagickBooleanType
1834 status;
1835
1836 MagickOffsetType
1837 scene;
1838
1839 PixelPacket
1840 pixel;
1841
1842 QuantumInfo
1843 *quantum_info;
1844
1845 QuantumType
1846 quantum_type;
1847
cristybb503372010-05-27 20:51:26 +00001848 register ssize_t
cristy3ed852e2009-09-05 21:47:34 +00001849 i;
1850
1851 size_t
1852 length,
1853 packet_size;
1854
cristy26377172010-12-20 19:01:58 +00001855 ssize_t
1856 y;
1857
cristy3ed852e2009-09-05 21:47:34 +00001858 unsigned char
1859 *compress_pixels,
1860 *pixels,
1861 *q;
1862
1863#if defined(MAGICKCORE_ZLIB_DELEGATE)
1864 z_stream
1865 zip_info;
1866#endif
1867
1868 /*
1869 Open output image file.
1870 */
1871 assert(image_info != (const ImageInfo *) NULL);
1872 assert(image_info->signature == MagickSignature);
1873 assert(image != (Image *) NULL);
1874 assert(image->signature == MagickSignature);
1875 if (image->debug != MagickFalse)
1876 (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
1877 status=OpenBlob(image_info,image,WriteBinaryBlobMode,&image->exception);
1878 if (status == MagickFalse)
1879 return(status);
1880 code=0;
1881 scene=0;
1882 do
1883 {
1884 /*
1885 Allocate image pixels.
1886 */
1887 image->depth=image->depth <= 8 ? 8UL : image->depth <= 16 ? 16UL :
1888 image->depth <= 32 ? 32UL : 64UL;
1889 quantum_info=AcquireQuantumInfo(image_info,image);
1890 if (quantum_info == (QuantumInfo *) NULL)
1891 ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed");
1892 if ((image->storage_class != PseudoClass) && (image->depth >= 32) &&
1893 (quantum_info->format == UndefinedQuantumFormat) &&
1894 (IsHighDynamicRangeImage(image,&image->exception) != MagickFalse))
1895 {
1896 status=SetQuantumFormat(image,quantum_info,FloatingPointQuantumFormat);
1897 if (status == MagickFalse)
1898 ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed");
1899 }
1900 if ((image->storage_class == PseudoClass) &&
cristybb503372010-05-27 20:51:26 +00001901 (image->colors > (size_t) (GetQuantumRange(image->depth)+1)))
cristy3ed852e2009-09-05 21:47:34 +00001902 (void) SetImageStorageClass(image,DirectClass);
1903 if (IsGrayImage(image,&image->exception) != MagickFalse)
1904 {
1905 image->storage_class=DirectClass;
1906 (void) SetImageColorspace(image,GRAYColorspace);
1907 }
1908 compression=image->compression;
1909 if (image_info->compression != UndefinedCompression)
1910 compression=image_info->compression;
1911 switch (compression)
1912 {
1913#if !defined(MAGICKCORE_ZLIB_DELEGATE)
cristy26377172010-12-20 19:01:58 +00001914 case LZMACompression: compression=NoCompression; break;
1915#endif
1916#if !defined(MAGICKCORE_ZLIB_DELEGATE)
cristy3ed852e2009-09-05 21:47:34 +00001917 case LZWCompression:
1918 case ZipCompression: compression=NoCompression; break;
1919#endif
1920#if !defined(MAGICKCORE_BZLIB_DELEGATE)
1921 case BZipCompression: compression=NoCompression; break;
1922#endif
1923 case RLECompression:
1924 {
1925 if (quantum_info->format == FloatingPointQuantumFormat)
1926 compression=NoCompression;
1927 break;
1928 }
1929 default:
1930 break;
1931 }
1932 packet_size=(size_t) (quantum_info->depth/8);
1933 if (image->storage_class == DirectClass)
1934 packet_size=(size_t) (3*quantum_info->depth/8);
1935 if (image->matte != MagickFalse)
1936 packet_size+=quantum_info->depth/8;
1937 if (image->colorspace == CMYKColorspace)
1938 packet_size+=quantum_info->depth/8;
1939 if (compression == RLECompression)
1940 packet_size++;
1941 length=image->columns;
1942 length=MagickMax(BZipMaxExtent(packet_size*image->columns),ZipMaxExtent(
1943 packet_size*image->columns));
1944 if ((compression == BZipCompression) || (compression == ZipCompression))
1945 if (length != (size_t) ((unsigned int) length))
1946 compression=NoCompression;
1947 compress_pixels=(unsigned char *) AcquireQuantumMemory(length,
1948 sizeof(*compress_pixels));
1949 if (compress_pixels == (unsigned char *) NULL)
1950 ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed");
1951 /*
1952 Write MIFF header.
1953 */
1954 (void) WriteBlobString(image,"id=ImageMagick version=1.0\n");
cristyb51dff52011-05-19 16:55:47 +00001955 (void) FormatLocaleString(buffer,MaxTextExtent,
cristy042ee782011-04-22 18:48:30 +00001956 "class=%s colors=%.20g matte=%s\n",CommandOptionToMnemonic(
cristye8c25f92010-06-03 00:53:06 +00001957 MagickClassOptions,image->storage_class),(double) image->colors,
cristy042ee782011-04-22 18:48:30 +00001958 CommandOptionToMnemonic(MagickBooleanOptions,(ssize_t) image->matte));
cristy3ed852e2009-09-05 21:47:34 +00001959 (void) WriteBlobString(image,buffer);
cristyb51dff52011-05-19 16:55:47 +00001960 (void) FormatLocaleString(buffer,MaxTextExtent,"columns=%.20g rows=%.20g "
cristye8c25f92010-06-03 00:53:06 +00001961 "depth=%.20g\n",(double) image->columns,(double) image->rows,(double)
1962 image->depth);
cristy3ed852e2009-09-05 21:47:34 +00001963 (void) WriteBlobString(image,buffer);
cristy5f1c1ff2010-12-23 21:38:06 +00001964 if (image->type != UndefinedType)
cristy3ed852e2009-09-05 21:47:34 +00001965 {
cristyb51dff52011-05-19 16:55:47 +00001966 (void) FormatLocaleString(buffer,MaxTextExtent,"type=%s\n",
cristy042ee782011-04-22 18:48:30 +00001967 CommandOptionToMnemonic(MagickTypeOptions,image->type));
cristy3ed852e2009-09-05 21:47:34 +00001968 (void) WriteBlobString(image,buffer);
1969 }
1970 if (image->colorspace != UndefinedColorspace)
1971 {
cristyb51dff52011-05-19 16:55:47 +00001972 (void) FormatLocaleString(buffer,MaxTextExtent,"colorspace=%s\n",
cristy042ee782011-04-22 18:48:30 +00001973 CommandOptionToMnemonic(MagickColorspaceOptions,image->colorspace));
cristy3ed852e2009-09-05 21:47:34 +00001974 (void) WriteBlobString(image,buffer);
1975 }
1976 if (compression != UndefinedCompression)
1977 {
cristyb51dff52011-05-19 16:55:47 +00001978 (void) FormatLocaleString(buffer,MaxTextExtent,"compression=%s "
cristy042ee782011-04-22 18:48:30 +00001979 "quality=%.20g\n",CommandOptionToMnemonic(MagickCompressOptions,
cristye8c25f92010-06-03 00:53:06 +00001980 compression),(double) image->quality);
cristy3ed852e2009-09-05 21:47:34 +00001981 (void) WriteBlobString(image,buffer);
1982 }
1983 if (image->units != UndefinedResolution)
1984 {
cristyb51dff52011-05-19 16:55:47 +00001985 (void) FormatLocaleString(buffer,MaxTextExtent,"units=%s\n",
cristy042ee782011-04-22 18:48:30 +00001986 CommandOptionToMnemonic(MagickResolutionOptions,image->units));
cristy3ed852e2009-09-05 21:47:34 +00001987 (void) WriteBlobString(image,buffer);
1988 }
1989 if ((image->x_resolution != 0) || (image->y_resolution != 0))
1990 {
cristyb51dff52011-05-19 16:55:47 +00001991 (void) FormatLocaleString(buffer,MaxTextExtent,
cristye7f51092010-01-17 00:39:37 +00001992 "resolution=%gx%g\n",image->x_resolution,image->y_resolution);
cristy3ed852e2009-09-05 21:47:34 +00001993 (void) WriteBlobString(image,buffer);
1994 }
1995 if ((image->page.width != 0) || (image->page.height != 0))
1996 {
cristyb51dff52011-05-19 16:55:47 +00001997 (void) FormatLocaleString(buffer,MaxTextExtent,
cristye8c25f92010-06-03 00:53:06 +00001998 "page=%.20gx%.20g%+.20g%+.20g\n",(double) image->page.width,(double)
1999 image->page.height,(double) image->page.x,(double) image->page.y);
cristy3ed852e2009-09-05 21:47:34 +00002000 (void) WriteBlobString(image,buffer);
2001 }
2002 else
2003 if ((image->page.x != 0) || (image->page.y != 0))
2004 {
cristyb51dff52011-05-19 16:55:47 +00002005 (void) FormatLocaleString(buffer,MaxTextExtent,"page=%+ld%+ld\n",
cristyf2faecf2010-05-28 19:19:36 +00002006 (long) image->page.x,(long) image->page.y);
cristy3ed852e2009-09-05 21:47:34 +00002007 (void) WriteBlobString(image,buffer);
2008 }
2009 if ((image->tile_offset.x != 0) || (image->tile_offset.y != 0))
2010 {
cristyb51dff52011-05-19 16:55:47 +00002011 (void) FormatLocaleString(buffer,MaxTextExtent,"tile-offset=%+ld%+ld\n",
cristyf2faecf2010-05-28 19:19:36 +00002012 (long) image->tile_offset.x,(long) image->tile_offset.y);
cristy3ed852e2009-09-05 21:47:34 +00002013 (void) WriteBlobString(image,buffer);
2014 }
2015 if ((GetNextImageInList(image) != (Image *) NULL) ||
2016 (GetPreviousImageInList(image) != (Image *) NULL))
2017 {
2018 if (image->scene == 0)
cristyb51dff52011-05-19 16:55:47 +00002019 (void) FormatLocaleString(buffer,MaxTextExtent,"iterations=%.20g "
cristye8c25f92010-06-03 00:53:06 +00002020 "delay=%.20g ticks-per-second=%.20g\n",(double) image->iterations,
2021 (double) image->delay,(double) image->ticks_per_second);
cristy3ed852e2009-09-05 21:47:34 +00002022 else
cristyb51dff52011-05-19 16:55:47 +00002023 (void) FormatLocaleString(buffer,MaxTextExtent,"scene=%.20g "
cristye8c25f92010-06-03 00:53:06 +00002024 "iterations=%.20g delay=%.20g ticks-per-second=%.20g\n",(double)
2025 image->scene,(double) image->iterations,(double) image->delay,
2026 (double) image->ticks_per_second);
cristy3ed852e2009-09-05 21:47:34 +00002027 (void) WriteBlobString(image,buffer);
2028 }
2029 else
2030 {
2031 if (image->scene != 0)
2032 {
cristyb51dff52011-05-19 16:55:47 +00002033 (void) FormatLocaleString(buffer,MaxTextExtent,"scene=%.20g\n",
cristye8c25f92010-06-03 00:53:06 +00002034 (double) image->scene);
cristy3ed852e2009-09-05 21:47:34 +00002035 (void) WriteBlobString(image,buffer);
2036 }
2037 if (image->iterations != 0)
2038 {
cristyb51dff52011-05-19 16:55:47 +00002039 (void) FormatLocaleString(buffer,MaxTextExtent,"iterations=%.20g\n",
cristye8c25f92010-06-03 00:53:06 +00002040 (double) image->iterations);
cristy3ed852e2009-09-05 21:47:34 +00002041 (void) WriteBlobString(image,buffer);
2042 }
2043 if (image->delay != 0)
2044 {
cristyb51dff52011-05-19 16:55:47 +00002045 (void) FormatLocaleString(buffer,MaxTextExtent,"delay=%.20g\n",
cristye8c25f92010-06-03 00:53:06 +00002046 (double) image->delay);
cristy3ed852e2009-09-05 21:47:34 +00002047 (void) WriteBlobString(image,buffer);
2048 }
2049 if (image->ticks_per_second != UndefinedTicksPerSecond)
2050 {
cristyb51dff52011-05-19 16:55:47 +00002051 (void) FormatLocaleString(buffer,MaxTextExtent,
cristye8c25f92010-06-03 00:53:06 +00002052 "ticks-per-second=%.20g\n",(double) image->ticks_per_second);
cristy3ed852e2009-09-05 21:47:34 +00002053 (void) WriteBlobString(image,buffer);
2054 }
2055 }
2056 if (image->gravity != UndefinedGravity)
2057 {
cristyb51dff52011-05-19 16:55:47 +00002058 (void) FormatLocaleString(buffer,MaxTextExtent,"gravity=%s\n",
cristy042ee782011-04-22 18:48:30 +00002059 CommandOptionToMnemonic(MagickGravityOptions,image->gravity));
cristy3ed852e2009-09-05 21:47:34 +00002060 (void) WriteBlobString(image,buffer);
2061 }
2062 if (image->dispose != UndefinedDispose)
2063 {
cristyb51dff52011-05-19 16:55:47 +00002064 (void) FormatLocaleString(buffer,MaxTextExtent,"dispose=%s\n",
cristy042ee782011-04-22 18:48:30 +00002065 CommandOptionToMnemonic(MagickDisposeOptions,image->dispose));
cristy3ed852e2009-09-05 21:47:34 +00002066 (void) WriteBlobString(image,buffer);
2067 }
2068 if (image->rendering_intent != UndefinedIntent)
2069 {
cristyb51dff52011-05-19 16:55:47 +00002070 (void) FormatLocaleString(buffer,MaxTextExtent,
cristy3ed852e2009-09-05 21:47:34 +00002071 "rendering-intent=%s\n",
cristy042ee782011-04-22 18:48:30 +00002072 CommandOptionToMnemonic(MagickIntentOptions,image->rendering_intent));
cristy3ed852e2009-09-05 21:47:34 +00002073 (void) WriteBlobString(image,buffer);
2074 }
2075 if (image->gamma != 0.0)
2076 {
cristyb51dff52011-05-19 16:55:47 +00002077 (void) FormatLocaleString(buffer,MaxTextExtent,"gamma=%g\n",
cristy3ed852e2009-09-05 21:47:34 +00002078 image->gamma);
2079 (void) WriteBlobString(image,buffer);
2080 }
2081 if (image->chromaticity.white_point.x != 0.0)
2082 {
2083 /*
2084 Note chomaticity points.
2085 */
cristyb51dff52011-05-19 16:55:47 +00002086 (void) FormatLocaleString(buffer,MaxTextExtent,"red-primary=%g,"
cristye7f51092010-01-17 00:39:37 +00002087 "%g green-primary=%g,%g blue-primary=%g,%g\n",
cristy3ed852e2009-09-05 21:47:34 +00002088 image->chromaticity.red_primary.x,image->chromaticity.red_primary.y,
2089 image->chromaticity.green_primary.x,
2090 image->chromaticity.green_primary.y,
2091 image->chromaticity.blue_primary.x,
2092 image->chromaticity.blue_primary.y);
2093 (void) WriteBlobString(image,buffer);
cristyb51dff52011-05-19 16:55:47 +00002094 (void) FormatLocaleString(buffer,MaxTextExtent,
cristye7f51092010-01-17 00:39:37 +00002095 "white-point=%g,%g\n",image->chromaticity.white_point.x,
cristy8cd5b312010-01-07 01:10:24 +00002096 image->chromaticity.white_point.y);
cristy3ed852e2009-09-05 21:47:34 +00002097 (void) WriteBlobString(image,buffer);
2098 }
2099 if (image->orientation != UndefinedOrientation)
2100 {
cristyb51dff52011-05-19 16:55:47 +00002101 (void) FormatLocaleString(buffer,MaxTextExtent,"orientation=%s\n",
cristy042ee782011-04-22 18:48:30 +00002102 CommandOptionToMnemonic(MagickOrientationOptions,image->orientation));
cristy3ed852e2009-09-05 21:47:34 +00002103 (void) WriteBlobString(image,buffer);
2104 }
2105 if (image->profiles != (void *) NULL)
2106 {
2107 const char
2108 *name;
2109
2110 const StringInfo
2111 *profile;
2112
2113 /*
2114 Write image profiles.
2115 */
2116 ResetImageProfileIterator(image);
2117 name=GetNextImageProfile(image);
2118 while (name != (const char *) NULL)
2119 {
2120 profile=GetImageProfile(image,name);
2121 if (profile != (StringInfo *) NULL)
2122 {
cristyb51dff52011-05-19 16:55:47 +00002123 (void) FormatLocaleString(buffer,MaxTextExtent,
cristye8c25f92010-06-03 00:53:06 +00002124 "profile:%s=%.20g\n",name,(double)
2125 GetStringInfoLength(profile));
cristy3ed852e2009-09-05 21:47:34 +00002126 (void) WriteBlobString(image,buffer);
2127 }
2128 name=GetNextImageProfile(image);
2129 }
2130 }
2131 if (image->montage != (char *) NULL)
2132 {
cristyb51dff52011-05-19 16:55:47 +00002133 (void) FormatLocaleString(buffer,MaxTextExtent,"montage=%s\n",
cristy3ed852e2009-09-05 21:47:34 +00002134 image->montage);
2135 (void) WriteBlobString(image,buffer);
2136 }
2137 if (quantum_info->format == FloatingPointQuantumFormat)
cristy0c2fcca2009-10-16 01:37:20 +00002138 (void) SetImageProperty(image,"quantum:format","floating-point");
cristy3ed852e2009-09-05 21:47:34 +00002139 ResetImagePropertyIterator(image);
2140 property=GetNextImageProperty(image);
2141 while (property != (const char *) NULL)
2142 {
cristyb51dff52011-05-19 16:55:47 +00002143 (void) FormatLocaleString(buffer,MaxTextExtent,"%s=",property);
cristy3ed852e2009-09-05 21:47:34 +00002144 (void) WriteBlobString(image,buffer);
2145 value=GetImageProperty(image,property);
2146 if (value != (const char *) NULL)
2147 {
cristybb503372010-05-27 20:51:26 +00002148 for (i=0; i < (ssize_t) strlen(value); i++)
cristy3ed852e2009-09-05 21:47:34 +00002149 if (isspace((int) ((unsigned char) value[i])) != 0)
2150 break;
cristybb503372010-05-27 20:51:26 +00002151 if (i <= (ssize_t) strlen(value))
cristy3ed852e2009-09-05 21:47:34 +00002152 (void) WriteBlobByte(image,'{');
2153 (void) WriteBlob(image,strlen(value),(const unsigned char *) value);
cristybb503372010-05-27 20:51:26 +00002154 if (i <= (ssize_t) strlen(value))
cristy3ed852e2009-09-05 21:47:34 +00002155 (void) WriteBlobByte(image,'}');
2156 }
2157 (void) WriteBlobByte(image,'\n');
2158 property=GetNextImageProperty(image);
2159 }
2160 (void) WriteBlobString(image,"\f\n:\032");
2161 if (image->montage != (char *) NULL)
2162 {
2163 /*
2164 Write montage tile directory.
2165 */
2166 if (image->directory != (char *) NULL)
2167 (void) WriteBlob(image,strlen(image->directory),(unsigned char *)
2168 image->directory);
2169 (void) WriteBlobByte(image,'\0');
2170 }
2171 if (image->profiles != (void *) NULL)
2172 {
2173 const char
2174 *name;
2175
2176 const StringInfo
2177 *profile;
2178
2179 /*
2180 Generic profile.
2181 */
2182 ResetImageProfileIterator(image);
2183 name=GetNextImageProfile(image);
2184 while (name != (const char *) NULL)
2185 {
2186 profile=GetImageProfile(image,name);
2187 (void) WriteBlob(image,GetStringInfoLength(profile),
2188 GetStringInfoDatum(profile));
2189 name=GetNextImageProfile(image);
2190 }
2191 }
2192 if (image->storage_class == PseudoClass)
2193 {
2194 size_t
2195 packet_size;
2196
2197 unsigned char
2198 *colormap,
2199 *q;
2200
2201 /*
2202 Allocate colormap.
2203 */
2204 packet_size=(size_t) (3*quantum_info->depth/8);
2205 colormap=(unsigned char *) AcquireQuantumMemory(image->colors,
2206 packet_size*sizeof(*colormap));
2207 if (colormap == (unsigned char *) NULL)
2208 ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed");
2209 /*
2210 Write colormap to file.
2211 */
2212 q=colormap;
cristybb503372010-05-27 20:51:26 +00002213 for (i=0; i < (ssize_t) image->colors; i++)
cristy3ed852e2009-09-05 21:47:34 +00002214 {
2215 switch (quantum_info->depth)
2216 {
2217 default:
2218 ThrowWriterException(CorruptImageError,"ImageDepthNotSupported");
2219 case 32:
2220 {
cristy4cb162a2010-05-30 03:04:47 +00002221 register unsigned int
cristy3ed852e2009-09-05 21:47:34 +00002222 pixel;
2223
2224 pixel=ScaleQuantumToLong(image->colormap[i].red);
2225 q=PopLongPixel(MSBEndian,pixel,q);
2226 pixel=ScaleQuantumToLong(image->colormap[i].green);
2227 q=PopLongPixel(MSBEndian,pixel,q);
2228 pixel=ScaleQuantumToLong(image->colormap[i].blue);
2229 q=PopLongPixel(MSBEndian,pixel,q);
2230 break;
2231 }
2232 case 16:
2233 {
2234 register unsigned short
2235 pixel;
2236
2237 pixel=ScaleQuantumToShort(image->colormap[i].red);
2238 q=PopShortPixel(MSBEndian,pixel,q);
2239 pixel=ScaleQuantumToShort(image->colormap[i].green);
2240 q=PopShortPixel(MSBEndian,pixel,q);
2241 pixel=ScaleQuantumToShort(image->colormap[i].blue);
2242 q=PopShortPixel(MSBEndian,pixel,q);
2243 break;
2244 }
2245 case 8:
2246 {
2247 register unsigned char
2248 pixel;
2249
2250 pixel=(unsigned char) ScaleQuantumToChar(image->colormap[i].red);
2251 q=PopCharPixel(pixel,q);
2252 pixel=(unsigned char) ScaleQuantumToChar(
2253 image->colormap[i].green);
2254 q=PopCharPixel(pixel,q);
2255 pixel=(unsigned char) ScaleQuantumToChar(image->colormap[i].blue);
2256 q=PopCharPixel(pixel,q);
2257 break;
2258 }
2259 }
2260 }
2261 (void) WriteBlob(image,packet_size*image->colors,colormap);
2262 colormap=(unsigned char *) RelinquishMagickMemory(colormap);
2263 }
2264 /*
2265 Write image pixels to file.
2266 */
cristy330af6c2010-12-21 14:36:06 +00002267 status=MagickTrue;
2268 switch (compression)
2269 {
2270#if defined(MAGICKCORE_BZLIB_DELEGATE)
2271 case BZipCompression:
2272 {
2273 (void) ResetMagickMemory(&bzip_info,0,sizeof(bzip_info));
2274 bzip_info.bzalloc=AcquireBZIPMemory;
2275 bzip_info.bzfree=RelinquishBZIPMemory;
2276 code=BZ2_bzCompressInit(&bzip_info,(int) (image->quality ==
2277 UndefinedCompressionQuality ? 7 : MagickMin(image->quality/10,
2278 9)),(int) image_info->verbose,0);
2279 if (code != BZ_OK)
2280 status=MagickFalse;
2281 break;
2282 }
2283#endif
2284#if defined(MAGICKCORE_LZMA_DELEGATE)
2285 case LZMACompression:
2286 {
cristy330af6c2010-12-21 14:36:06 +00002287 (void) ResetMagickMemory(&allocator,0,sizeof(allocator));
2288 allocator.alloc=AcquireLZMAMemory;
2289 allocator.free=RelinquishLZMAMemory;
cristy9d72f1a2010-12-21 20:46:59 +00002290 lzma_info=initialize_lzma;
cristy330af6c2010-12-21 14:36:06 +00002291 lzma_info.allocator=&allocator;
cristy9d72f1a2010-12-21 20:46:59 +00002292 code=lzma_easy_encoder(&lzma_info,image->quality/10,LZMA_CHECK_SHA256);
2293 if (code != LZMA_OK)
2294 status=MagickTrue;
cristy330af6c2010-12-21 14:36:06 +00002295 break;
2296 }
2297#endif
2298#if defined(MAGICKCORE_ZLIB_DELEGATE)
2299 case LZWCompression:
2300 case ZipCompression:
2301 {
2302 (void) ResetMagickMemory(&zip_info,0,sizeof(zip_info));
2303 zip_info.zalloc=AcquireZIPMemory;
2304 zip_info.zfree=RelinquishZIPMemory;
2305 code=deflateInit(&zip_info,(int) (image->quality ==
2306 UndefinedCompressionQuality ? 7 : MagickMin(image->quality/10,9)));
2307 if (code != Z_OK)
2308 status=MagickFalse;
2309 break;
2310 }
2311#endif
2312 default:
2313 break;
2314 }
cristy3ed852e2009-09-05 21:47:34 +00002315 quantum_type=GetQuantumType(image,&image->exception);
2316 pixels=GetQuantumPixels(quantum_info);
cristybb503372010-05-27 20:51:26 +00002317 for (y=0; y < (ssize_t) image->rows; y++)
cristy3ed852e2009-09-05 21:47:34 +00002318 {
2319 register const IndexPacket
cristyc47d1f82009-11-26 01:44:43 +00002320 *restrict indexes;
cristy3ed852e2009-09-05 21:47:34 +00002321
2322 register const PixelPacket
cristyc47d1f82009-11-26 01:44:43 +00002323 *restrict p;
cristy3ed852e2009-09-05 21:47:34 +00002324
cristybb503372010-05-27 20:51:26 +00002325 register ssize_t
cristy3ed852e2009-09-05 21:47:34 +00002326 x;
2327
cristy330af6c2010-12-21 14:36:06 +00002328 if (status == MagickFalse)
2329 break;
cristy3ed852e2009-09-05 21:47:34 +00002330 p=GetVirtualPixels(image,0,y,image->columns,1,&image->exception);
2331 if (p == (const PixelPacket *) NULL)
2332 break;
2333 indexes=GetVirtualIndexQueue(image);
2334 q=pixels;
2335 switch (compression)
2336 {
cristy3ed852e2009-09-05 21:47:34 +00002337#if defined(MAGICKCORE_BZLIB_DELEGATE)
2338 case BZipCompression:
2339 {
cristy3ed852e2009-09-05 21:47:34 +00002340 bzip_info.next_in=(char *) pixels;
2341 bzip_info.avail_in=(unsigned int) (packet_size*image->columns);
cristy74fe8f12009-10-03 19:09:01 +00002342 (void) ExportQuantumPixels(image,(const CacheView *) NULL,
2343 quantum_info,quantum_type,pixels,&image->exception);
cristy3ed852e2009-09-05 21:47:34 +00002344 do
2345 {
2346 bzip_info.next_out=(char *) compress_pixels;
2347 bzip_info.avail_out=(unsigned int) BZipMaxExtent(packet_size*
2348 image->columns);
2349 code=BZ2_bzCompress(&bzip_info,BZ_FLUSH);
cristy26377172010-12-20 19:01:58 +00002350 if (code != BZ_OK)
2351 status=MagickFalse;
cristy3ed852e2009-09-05 21:47:34 +00002352 length=(size_t) (bzip_info.next_out-(char *) compress_pixels);
2353 if (length != 0)
2354 {
2355 (void) WriteBlobMSBLong(image,(unsigned int) length);
2356 (void) WriteBlob(image,length,compress_pixels);
2357 }
2358 } while (bzip_info.avail_in != 0);
cristy26377172010-12-20 19:01:58 +00002359 break;
2360 }
2361#endif
2362#if defined(MAGICKCORE_LZMA_DELEGATE)
2363 case LZMACompression:
2364 {
cristy26377172010-12-20 19:01:58 +00002365 lzma_info.next_in=pixels;
cristy330af6c2010-12-21 14:36:06 +00002366 lzma_info.avail_in=packet_size*image->columns;
cristy26377172010-12-20 19:01:58 +00002367 (void) ExportQuantumPixels(image,(const CacheView *) NULL,
2368 quantum_info,quantum_type,pixels,&image->exception);
2369 do
2370 {
2371 lzma_info.next_out=compress_pixels;
2372 lzma_info.avail_out=packet_size*image->columns;
2373 code=lzma_code(&lzma_info,LZMA_RUN);
2374 if (code != LZMA_OK)
2375 status=MagickFalse;
2376 length=(size_t) (lzma_info.next_out-compress_pixels);
2377 if (length != 0)
2378 {
2379 (void) WriteBlobMSBLong(image,(unsigned int) length);
2380 (void) WriteBlob(image,length,compress_pixels);
2381 }
2382 } while (lzma_info.avail_in != 0);
cristy26377172010-12-20 19:01:58 +00002383 break;
2384 }
2385#endif
2386#if defined(MAGICKCORE_ZLIB_DELEGATE)
2387 case LZWCompression:
2388 case ZipCompression:
2389 {
cristy26377172010-12-20 19:01:58 +00002390 zip_info.next_in=pixels;
2391 zip_info.avail_in=(uInt) (packet_size*image->columns);
2392 (void) ExportQuantumPixels(image,(const CacheView *) NULL,
2393 quantum_info,quantum_type,pixels,&image->exception);
2394 do
2395 {
2396 zip_info.next_out=compress_pixels;
2397 zip_info.avail_out=(uInt) ZipMaxExtent(packet_size*image->columns);
2398 code=deflate(&zip_info,Z_SYNC_FLUSH);
2399 if (code != Z_OK)
2400 status=MagickFalse;
2401 length=(size_t) (zip_info.next_out-compress_pixels);
2402 if (length != 0)
2403 {
2404 (void) WriteBlobMSBLong(image,(unsigned int) length);
2405 (void) WriteBlob(image,length,compress_pixels);
2406 }
2407 } while (zip_info.avail_in != 0);
cristy3ed852e2009-09-05 21:47:34 +00002408 break;
2409 }
2410#endif
2411 case RLECompression:
2412 {
2413 pixel=(*p);
2414 index=(IndexPacket) 0;
2415 if (indexes != (IndexPacket *) NULL)
2416 index=(*indexes);
2417 length=255;
cristybb503372010-05-27 20:51:26 +00002418 for (x=0; x < (ssize_t) image->columns; x++)
cristy3ed852e2009-09-05 21:47:34 +00002419 {
cristybb503372010-05-27 20:51:26 +00002420 if ((length < 255) && (x < (ssize_t) (image->columns-1)) &&
cristy3ed852e2009-09-05 21:47:34 +00002421 (IsColorEqual(p,&pixel) != MagickFalse) &&
2422 ((image->matte == MagickFalse) ||
cristyd05ecd12011-04-22 20:44:42 +00002423 (GetOpacityPixelComponent(p) == pixel.opacity)) &&
cristy9fff7b42011-04-29 01:09:31 +00002424 ((indexes == (IndexPacket *) NULL) ||
2425 (index == GetIndexPixelComponent(indexes+x))))
cristy3ed852e2009-09-05 21:47:34 +00002426 length++;
2427 else
2428 {
2429 if (x > 0)
2430 q=PopRunlengthPacket(image,q,length,pixel,index);
2431 length=0;
2432 }
2433 pixel=(*p);
2434 if (indexes != (IndexPacket *) NULL)
cristyaff6d802011-04-26 01:46:31 +00002435 index=GetIndexPixelComponent(indexes+x);
cristy3ed852e2009-09-05 21:47:34 +00002436 p++;
2437 }
2438 q=PopRunlengthPacket(image,q,length,pixel,index);
2439 (void) WriteBlob(image,(size_t) (q-pixels),pixels);
2440 break;
2441 }
2442 default:
2443 {
2444 (void) ExportQuantumPixels(image,(const CacheView *) NULL,
2445 quantum_info,quantum_type,pixels,&image->exception);
2446 (void) WriteBlob(image,packet_size*image->columns,pixels);
2447 break;
2448 }
2449 }
cristycee97112010-05-28 00:44:52 +00002450 if (image->previous == (Image *) NULL)
2451 {
2452 status=SetImageProgress(image,SaveImageTag,(MagickOffsetType) y,
2453 image->rows);
2454 if (status == MagickFalse)
2455 break;
2456 }
cristy3ed852e2009-09-05 21:47:34 +00002457 }
cristy330af6c2010-12-21 14:36:06 +00002458 switch (compression)
2459 {
2460#if defined(MAGICKCORE_BZLIB_DELEGATE)
2461 case BZipCompression:
2462 {
2463 for ( ; ; )
2464 {
2465 if (status == MagickFalse)
2466 break;
2467 bzip_info.next_out=(char *) compress_pixels;
2468 bzip_info.avail_out=(unsigned int) BZipMaxExtent(packet_size*
2469 image->columns);
2470 code=BZ2_bzCompress(&bzip_info,BZ_FINISH);
2471 if (code != BZ_OK)
2472 status=MagickFalse;
2473 length=(size_t) (bzip_info.next_out-(char *) compress_pixels);
2474 if (length != 0)
2475 {
2476 (void) WriteBlobMSBLong(image,(unsigned int) length);
2477 (void) WriteBlob(image,length,compress_pixels);
2478 }
2479 if (code == BZ_STREAM_END)
2480 break;
2481 }
2482 code=BZ2_bzCompressEnd(&bzip_info);
2483 if (code != BZ_OK)
2484 status=MagickFalse;
2485 break;
2486 }
2487#endif
2488#if defined(MAGICKCORE_LZMA_DELEGATE)
2489 case LZMACompression:
2490 {
2491 for ( ; ; )
2492 {
2493 if (status == MagickFalse)
2494 break;
2495 lzma_info.next_out=compress_pixels;
2496 lzma_info.avail_out=packet_size*image->columns;
2497 code=lzma_code(&lzma_info,LZMA_FINISH);
2498 if (code != LZMA_OK)
2499 status=MagickFalse;
2500 length=(size_t) (lzma_info.next_out-compress_pixels);
2501 if (length > 6)
2502 {
2503 (void) WriteBlobMSBLong(image,(unsigned int) length);
2504 (void) WriteBlob(image,length,compress_pixels);
2505 }
2506 if (code == LZMA_STREAM_END)
2507 break;
2508 }
2509 lzma_end(&lzma_info);
2510 break;
2511 }
2512#endif
2513#if defined(MAGICKCORE_ZLIB_DELEGATE)
2514 case LZWCompression:
2515 case ZipCompression:
2516 {
2517 for ( ; ; )
2518 {
2519 if (status == MagickFalse)
2520 break;
2521 zip_info.next_out=compress_pixels;
2522 zip_info.avail_out=(uInt) ZipMaxExtent(packet_size*
2523 image->columns);
2524 code=deflate(&zip_info,Z_FINISH);
2525 if (code != Z_OK)
2526 status=MagickFalse;
2527 length=(size_t) (zip_info.next_out-compress_pixels);
2528 if (length > 6)
2529 {
2530 (void) WriteBlobMSBLong(image,(unsigned int) length);
2531 (void) WriteBlob(image,length,compress_pixels);
2532 }
2533 if (code == Z_STREAM_END)
2534 break;
2535 }
2536 code=deflateEnd(&zip_info);
2537 if (code != Z_OK)
2538 status=MagickFalse;
2539 break;
2540 }
2541#endif
2542 default:
2543 break;
2544 }
cristy3ed852e2009-09-05 21:47:34 +00002545 quantum_info=DestroyQuantumInfo(quantum_info);
2546 compress_pixels=(unsigned char *) RelinquishMagickMemory(compress_pixels);
2547 if (GetNextImageInList(image) == (Image *) NULL)
2548 break;
2549 image=SyncNextImageInList(image);
2550 status=SetImageProgress(image,SaveImagesTag,scene++,
2551 GetImageListLength(image));
2552 if (status == MagickFalse)
2553 break;
2554 } while (image_info->adjoin != MagickFalse);
2555 (void) CloseBlob(image);
2556 return(status);
2557}