1 /*
2 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
3 % %
4 % %
5 % %
6 % IIIII CCCC OOO N N %
7 % I C O O NN N %
8 % I C O O N N N %
9 % I C O O N NN %
10 % IIIII CCCC OOO N N %
11 % %
12 % %
13 % Read Microsoft Windows Icon Format %
14 % %
15 % Software Design %
16 % Cristy %
17 % July 1992 %
18 % %
19 % %
20 % Copyright 1999-2016 ImageMagick Studio LLC, a non-profit organization %
21 % dedicated to making software imaging solutions freely available. %
22 % %
23 % You may not use this file except in compliance with the License. You may %
24 % obtain a copy of the License at %
25 % %
26 % http://www.imagemagick.org/script/license.php %
27 % %
28 % Unless required by applicable law or agreed to in writing, software %
29 % distributed under the License is distributed on an "AS IS" BASIS, %
30 % WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. %
31 % See the License for the specific language governing permissions and %
32 % limitations under the License. %
33 % %
34 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
35 %
36 %
37 */
38
39 /*
40 Include declarations.
41 */
42 #include "MagickCore/studio.h"
43 #include "MagickCore/artifact.h"
44 #include "MagickCore/blob.h"
45 #include "MagickCore/blob-private.h"
46 #include "MagickCore/cache.h"
47 #include "MagickCore/colormap.h"
48 #include "MagickCore/colorspace.h"
49 #include "MagickCore/colorspace-private.h"
50 #include "MagickCore/exception.h"
51 #include "MagickCore/exception-private.h"
52 #include "MagickCore/image.h"
53 #include "MagickCore/image-private.h"
54 #include "MagickCore/list.h"
55 #include "MagickCore/log.h"
56 #include "MagickCore/magick.h"
57 #include "MagickCore/memory_.h"
58 #include "MagickCore/monitor.h"
59 #include "MagickCore/monitor-private.h"
60 #include "MagickCore/nt-base-private.h"
61 #include "MagickCore/option.h"
62 #include "MagickCore/pixel-accessor.h"
63 #include "MagickCore/quantize.h"
64 #include "MagickCore/quantum-private.h"
65 #include "MagickCore/static.h"
66 #include "MagickCore/string_.h"
67 #include "MagickCore/module.h"
68
69 /*
70 Define declarations.
71 */
72 #if !defined(MAGICKCORE_WINDOWS_SUPPORT) || defined(__MINGW32__) || defined(__MINGW64__)
73 #define BI_RGB 0
74 #define BI_RLE8 1
75 #define BI_BITFIELDS 3
76 #endif
77 #define MaxIcons 1024
78
79 /*
80 Typedef declarations.
81 */
82 typedef struct _IconEntry
83 {
84 unsigned char
85 width,
86 height,
87 colors,
88 reserved;
89
90 unsigned short int
91 planes,
92 bits_per_pixel;
93
94 size_t
95 size,
96 offset;
97 } IconEntry;
98
99 typedef struct _IconFile
100 {
101 short
102 reserved,
103 resource_type,
104 count;
105
106 IconEntry
107 directory[MaxIcons];
108 } IconFile;
109
110 typedef struct _IconInfo
111 {
112 size_t
113 file_size,
114 ba_offset,
115 offset_bits,
116 size;
117
118 ssize_t
119 width,
120 height;
121
122 unsigned short
123 planes,
124 bits_per_pixel;
125
126 size_t
127 compression,
128 image_size,
129 x_pixels,
130 y_pixels,
131 number_colors,
132 red_mask,
133 green_mask,
134 blue_mask,
135 alpha_mask,
136 colors_important;
137
138 ssize_t
139 colorspace;
140 } IconInfo;
141
142 /*
143 Forward declaractions.
144 */
145 static Image
146 *AutoResizeImage(const Image *,const char *,MagickOffsetType *,
147 ExceptionInfo *);
148
149 static MagickBooleanType
150 WriteICONImage(const ImageInfo *,Image *,ExceptionInfo *);
151
AutoResizeImage(const Image * image,const char * option,MagickOffsetType * count,ExceptionInfo * exception)152 Image *AutoResizeImage(const Image *image,const char *option,
153 MagickOffsetType *count,ExceptionInfo *exception)
154 {
155 #define MAX_SIZES 16
156
157 char
158 *q;
159
160 const char
161 *p;
162
163 Image
164 *resized,
165 *images;
166
167 register ssize_t
168 i;
169
170 size_t
171 sizes[MAX_SIZES]={256,192,128,96,64,48,40,32,24,16};
172
173 images=NULL;
174 *count=0;
175 i=0;
176 p=option;
177 while (*p != '\0' && i < MAX_SIZES)
178 {
179 size_t
180 size;
181
182 while ((isspace((int) ((unsigned char) *p)) != 0))
183 p++;
184
185 size=(size_t)strtol(p,&q,10);
186 if ((p == q) || (size < 16) || (size > 256))
187 return((Image *) NULL);
188
189 p=q;
190 sizes[i++]=size;
191
192 while ((isspace((int) ((unsigned char) *p)) != 0) || (*p == ','))
193 p++;
194 }
195
196 if (i==0)
197 i=10;
198 *count=i;
199 for (i=0; i < *count; i++)
200 {
201 resized=ResizeImage(image,sizes[i],sizes[i],image->filter,exception);
202 if (resized == (Image *) NULL)
203 return(DestroyImageList(images));
204
205 if (images == (Image *) NULL)
206 images=resized;
207 else
208 AppendImageToList(&images,resized);
209 }
210 return(images);
211 }
212
213 /*
214 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
215 % %
216 % %
217 % %
218 % R e a d I C O N I m a g e %
219 % %
220 % %
221 % %
222 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
223 %
224 % ReadICONImage() reads a Microsoft icon image file and returns it. It
225 % allocates the memory necessary for the new Image structure and returns a
226 % pointer to the new image.
227 %
228 % The format of the ReadICONImage method is:
229 %
230 % Image *ReadICONImage(const ImageInfo *image_info,
231 % ExceptionInfo *exception)
232 %
233 % A description of each parameter follows:
234 %
235 % o image_info: the image info.
236 %
237 % o exception: return any errors or warnings in this structure.
238 %
239 */
ReadICONImage(const ImageInfo * image_info,ExceptionInfo * exception)240 static Image *ReadICONImage(const ImageInfo *image_info,
241 ExceptionInfo *exception)
242 {
243 IconFile
244 icon_file;
245
246 IconInfo
247 icon_info;
248
249 Image
250 *image;
251
252 MagickBooleanType
253 status;
254
255 register ssize_t
256 i,
257 x;
258
259 register Quantum
260 *q;
261
262 register unsigned char
263 *p;
264
265 size_t
266 bit,
267 byte,
268 bytes_per_line,
269 one,
270 scanline_pad;
271
272 ssize_t
273 count,
274 offset,
275 y;
276
277 /*
278 Open image file.
279 */
280 assert(image_info != (const ImageInfo *) NULL);
281 assert(image_info->signature == MagickCoreSignature);
282 (void) LogMagickEvent(CoderEvent,GetMagickModule(),"%s",image_info->filename);
283 assert(exception != (ExceptionInfo *) NULL);
284 assert(exception->signature == MagickCoreSignature);
285 image=AcquireImage(image_info,exception);
286 status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception);
287 if (status == MagickFalse)
288 {
289 image=DestroyImageList(image);
290 return((Image *) NULL);
291 }
292 icon_file.reserved=(short) ReadBlobLSBShort(image);
293 icon_file.resource_type=(short) ReadBlobLSBShort(image);
294 icon_file.count=(short) ReadBlobLSBShort(image);
295 if ((icon_file.reserved != 0) ||
296 ((icon_file.resource_type != 1) && (icon_file.resource_type != 2)) ||
297 (icon_file.count > MaxIcons))
298 ThrowReaderException(CorruptImageError,"ImproperImageHeader");
299 for (i=0; i < icon_file.count; i++)
300 {
301 icon_file.directory[i].width=(unsigned char) ReadBlobByte(image);
302 icon_file.directory[i].height=(unsigned char) ReadBlobByte(image);
303 icon_file.directory[i].colors=(unsigned char) ReadBlobByte(image);
304 icon_file.directory[i].reserved=(unsigned char) ReadBlobByte(image);
305 icon_file.directory[i].planes=(unsigned short) ReadBlobLSBShort(image);
306 icon_file.directory[i].bits_per_pixel=(unsigned short)
307 ReadBlobLSBShort(image);
308 icon_file.directory[i].size=ReadBlobLSBLong(image);
309 icon_file.directory[i].offset=ReadBlobLSBLong(image);
310 if (EOFBlob(image) != MagickFalse)
311 break;
312 }
313 if (EOFBlob(image) != MagickFalse)
314 ThrowReaderException(CorruptImageError,"UnexpectedEndOfFile");
315 one=1;
316 for (i=0; i < icon_file.count; i++)
317 {
318 /*
319 Verify Icon identifier.
320 */
321 offset=(ssize_t) SeekBlob(image,(MagickOffsetType)
322 icon_file.directory[i].offset,SEEK_SET);
323 if (offset < 0)
324 ThrowReaderException(CorruptImageError,"ImproperImageHeader");
325 icon_info.size=ReadBlobLSBLong(image);
326 icon_info.width=(unsigned char) ReadBlobLSBSignedLong(image);
327 icon_info.height=(unsigned char) (ReadBlobLSBSignedLong(image)/2);
328 icon_info.planes=ReadBlobLSBShort(image);
329 icon_info.bits_per_pixel=ReadBlobLSBShort(image);
330 if (EOFBlob(image) != MagickFalse)
331 {
332 ThrowFileException(exception,CorruptImageError,"UnexpectedEndOfFile",
333 image->filename);
334 break;
335 }
336 if (((icon_info.planes == 18505) && (icon_info.bits_per_pixel == 21060)) ||
337 (icon_info.size == 0x474e5089))
338 {
339 Image
340 *icon_image;
341
342 ImageInfo
343 *read_info;
344
345 size_t
346 length;
347
348 unsigned char
349 *png;
350
351 /*
352 Icon image encoded as a compressed PNG image.
353 */
354 length=icon_file.directory[i].size;
355 if ((length < 16) || (~length < 16))
356 ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
357 png=(unsigned char *) AcquireQuantumMemory(length+16,sizeof(*png));
358 if (png == (unsigned char *) NULL)
359 ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
360 (void) CopyMagickMemory(png,"\211PNG\r\n\032\n\000\000\000\015",12);
361 png[12]=(unsigned char) icon_info.planes;
362 png[13]=(unsigned char) (icon_info.planes >> 8);
363 png[14]=(unsigned char) icon_info.bits_per_pixel;
364 png[15]=(unsigned char) (icon_info.bits_per_pixel >> 8);
365 count=ReadBlob(image,length-16,png+16);
366 icon_image=(Image *) NULL;
367 if (count > 0)
368 {
369 read_info=CloneImageInfo(image_info);
370 (void) CopyMagickString(read_info->magick,"PNG",MagickPathExtent);
371 icon_image=BlobToImage(read_info,png,length+16,exception);
372 read_info=DestroyImageInfo(read_info);
373 }
374 png=(unsigned char *) RelinquishMagickMemory(png);
375 if (icon_image == (Image *) NULL)
376 {
377 if (count != (ssize_t) (length-16))
378 ThrowReaderException(CorruptImageError,
379 "InsufficientImageDataInFile");
380 image=DestroyImageList(image);
381 return((Image *) NULL);
382 }
383 DestroyBlob(icon_image);
384 icon_image->blob=ReferenceBlob(image->blob);
385 ReplaceImageInList(&image,icon_image);
386 }
387 else
388 {
389 if (icon_info.bits_per_pixel > 32)
390 ThrowReaderException(CorruptImageError,"ImproperImageHeader");
391 icon_info.compression=ReadBlobLSBLong(image);
392 icon_info.image_size=ReadBlobLSBLong(image);
393 icon_info.x_pixels=ReadBlobLSBLong(image);
394 icon_info.y_pixels=ReadBlobLSBLong(image);
395 icon_info.number_colors=ReadBlobLSBLong(image);
396 icon_info.colors_important=ReadBlobLSBLong(image);
397 image->alpha_trait=BlendPixelTrait;
398 image->columns=(size_t) icon_file.directory[i].width;
399 if ((ssize_t) image->columns > icon_info.width)
400 image->columns=(size_t) icon_info.width;
401 if (image->columns == 0)
402 image->columns=256;
403 image->rows=(size_t) icon_file.directory[i].height;
404 if ((ssize_t) image->rows > icon_info.height)
405 image->rows=(size_t) icon_info.height;
406 if (image->rows == 0)
407 image->rows=256;
408 image->depth=icon_info.bits_per_pixel;
409 if (image->debug != MagickFalse)
410 {
411 (void) LogMagickEvent(CoderEvent,GetMagickModule(),
412 " scene = %.20g",(double) i);
413 (void) LogMagickEvent(CoderEvent,GetMagickModule(),
414 " size = %.20g",(double) icon_info.size);
415 (void) LogMagickEvent(CoderEvent,GetMagickModule(),
416 " width = %.20g",(double) icon_file.directory[i].width);
417 (void) LogMagickEvent(CoderEvent,GetMagickModule(),
418 " height = %.20g",(double) icon_file.directory[i].height);
419 (void) LogMagickEvent(CoderEvent,GetMagickModule(),
420 " colors = %.20g",(double ) icon_info.number_colors);
421 (void) LogMagickEvent(CoderEvent,GetMagickModule(),
422 " planes = %.20g",(double) icon_info.planes);
423 (void) LogMagickEvent(CoderEvent,GetMagickModule(),
424 " bpp = %.20g",(double) icon_info.bits_per_pixel);
425 }
426 if ((icon_info.number_colors != 0) || (icon_info.bits_per_pixel <= 16U))
427 {
428 image->storage_class=PseudoClass;
429 image->colors=icon_info.number_colors;
430 if (image->colors == 0)
431 image->colors=one << icon_info.bits_per_pixel;
432 }
433 if (image->storage_class == PseudoClass)
434 {
435 register ssize_t
436 i;
437
438 unsigned char
439 *icon_colormap;
440
441 /*
442 Read Icon raster colormap.
443 */
444 if (AcquireImageColormap(image,image->colors,exception) ==
445 MagickFalse)
446 ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
447 icon_colormap=(unsigned char *) AcquireQuantumMemory((size_t)
448 image->colors,4UL*sizeof(*icon_colormap));
449 if (icon_colormap == (unsigned char *) NULL)
450 ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
451 count=ReadBlob(image,(size_t) (4*image->colors),icon_colormap);
452 if (count != (ssize_t) (4*image->colors))
453 ThrowReaderException(CorruptImageError,
454 "InsufficientImageDataInFile");
455 p=icon_colormap;
456 for (i=0; i < (ssize_t) image->colors; i++)
457 {
458 image->colormap[i].blue=(Quantum) ScaleCharToQuantum(*p++);
459 image->colormap[i].green=(Quantum) ScaleCharToQuantum(*p++);
460 image->colormap[i].red=(Quantum) ScaleCharToQuantum(*p++);
461 p++;
462 }
463 icon_colormap=(unsigned char *) RelinquishMagickMemory(icon_colormap);
464 }
465 /*
466 Convert Icon raster image to pixel packets.
467 */
468 if ((image_info->ping != MagickFalse) &&
469 (image_info->number_scenes != 0))
470 if (image->scene >= (image_info->scene+image_info->number_scenes-1))
471 break;
472 status=SetImageExtent(image,image->columns,image->rows,exception);
473 if (status == MagickFalse)
474 return(DestroyImageList(image));
475 bytes_per_line=(((image->columns*icon_info.bits_per_pixel)+31) &
476 ~31) >> 3;
477 (void) bytes_per_line;
478 scanline_pad=((((image->columns*icon_info.bits_per_pixel)+31) & ~31)-
479 (image->columns*icon_info.bits_per_pixel)) >> 3;
480 switch (icon_info.bits_per_pixel)
481 {
482 case 1:
483 {
484 /*
485 Convert bitmap scanline.
486 */
487 for (y=(ssize_t) image->rows-1; y >= 0; y--)
488 {
489 q=QueueAuthenticPixels(image,0,y,image->columns,1,exception);
490 if (q == (Quantum *) NULL)
491 break;
492 for (x=0; x < (ssize_t) (image->columns-7); x+=8)
493 {
494 byte=(size_t) ReadBlobByte(image);
495 for (bit=0; bit < 8; bit++)
496 {
497 SetPixelIndex(image,((byte & (0x80 >> bit)) != 0 ? 0x01 :
498 0x00),q);
499 q+=GetPixelChannels(image);
500 }
501 }
502 if ((image->columns % 8) != 0)
503 {
504 byte=(size_t) ReadBlobByte(image);
505 for (bit=0; bit < (image->columns % 8); bit++)
506 {
507 SetPixelIndex(image,((byte & (0x80 >> bit)) != 0 ? 0x01 :
508 0x00),q);
509 q+=GetPixelChannels(image);
510 }
511 }
512 for (x=0; x < (ssize_t) scanline_pad; x++)
513 (void) ReadBlobByte(image);
514 if (SyncAuthenticPixels(image,exception) == MagickFalse)
515 break;
516 if (image->previous == (Image *) NULL)
517 {
518 status=SetImageProgress(image,LoadImageTag,image->rows-y-1,
519 image->rows);
520 if (status == MagickFalse)
521 break;
522 }
523 }
524 break;
525 }
526 case 4:
527 {
528 /*
529 Read 4-bit Icon scanline.
530 */
531 for (y=(ssize_t) image->rows-1; y >= 0; y--)
532 {
533 q=QueueAuthenticPixels(image,0,y,image->columns,1,exception);
534 if (q == (Quantum *) NULL)
535 break;
536 for (x=0; x < ((ssize_t) image->columns-1); x+=2)
537 {
538 byte=(size_t) ReadBlobByte(image);
539 SetPixelIndex(image,((byte >> 4) & 0xf),q);
540 q+=GetPixelChannels(image);
541 SetPixelIndex(image,((byte) & 0xf),q);
542 q+=GetPixelChannels(image);
543 }
544 if ((image->columns % 2) != 0)
545 {
546 byte=(size_t) ReadBlobByte(image);
547 SetPixelIndex(image,((byte >> 4) & 0xf),q);
548 q+=GetPixelChannels(image);
549 }
550 for (x=0; x < (ssize_t) scanline_pad; x++)
551 (void) ReadBlobByte(image);
552 if (SyncAuthenticPixels(image,exception) == MagickFalse)
553 break;
554 if (image->previous == (Image *) NULL)
555 {
556 status=SetImageProgress(image,LoadImageTag,image->rows-y-1,
557 image->rows);
558 if (status == MagickFalse)
559 break;
560 }
561 }
562 break;
563 }
564 case 8:
565 {
566 /*
567 Convert PseudoColor scanline.
568 */
569 for (y=(ssize_t) image->rows-1; y >= 0; y--)
570 {
571 q=QueueAuthenticPixels(image,0,y,image->columns,1,exception);
572 if (q == (Quantum *) NULL)
573 break;
574 for (x=0; x < (ssize_t) image->columns; x++)
575 {
576 byte=(size_t) ReadBlobByte(image);
577 SetPixelIndex(image,(Quantum) byte,q);
578 q+=GetPixelChannels(image);
579 }
580 for (x=0; x < (ssize_t) scanline_pad; x++)
581 (void) ReadBlobByte(image);
582 if (SyncAuthenticPixels(image,exception) == MagickFalse)
583 break;
584 if (image->previous == (Image *) NULL)
585 {
586 status=SetImageProgress(image,LoadImageTag,image->rows-y-1,
587 image->rows);
588 if (status == MagickFalse)
589 break;
590 }
591 }
592 break;
593 }
594 case 16:
595 {
596 /*
597 Convert PseudoColor scanline.
598 */
599 for (y=(ssize_t) image->rows-1; y >= 0; y--)
600 {
601 q=QueueAuthenticPixels(image,0,y,image->columns,1,exception);
602 if (q == (Quantum *) NULL)
603 break;
604 for (x=0; x < (ssize_t) image->columns; x++)
605 {
606 byte=(size_t) ReadBlobByte(image);
607 byte|=(size_t) (ReadBlobByte(image) << 8);
608 SetPixelIndex(image,(Quantum) byte,q);
609 q+=GetPixelChannels(image);
610 }
611 for (x=0; x < (ssize_t) scanline_pad; x++)
612 (void) ReadBlobByte(image);
613 if (SyncAuthenticPixels(image,exception) == MagickFalse)
614 break;
615 if (image->previous == (Image *) NULL)
616 {
617 status=SetImageProgress(image,LoadImageTag,image->rows-y-1,
618 image->rows);
619 if (status == MagickFalse)
620 break;
621 }
622 }
623 break;
624 }
625 case 24:
626 case 32:
627 {
628 /*
629 Convert DirectColor scanline.
630 */
631 for (y=(ssize_t) image->rows-1; y >= 0; y--)
632 {
633 q=QueueAuthenticPixels(image,0,y,image->columns,1,exception);
634 if (q == (Quantum *) NULL)
635 break;
636 for (x=0; x < (ssize_t) image->columns; x++)
637 {
638 SetPixelBlue(image,ScaleCharToQuantum((unsigned char)
639 ReadBlobByte(image)),q);
640 SetPixelGreen(image,ScaleCharToQuantum((unsigned char)
641 ReadBlobByte(image)),q);
642 SetPixelRed(image,ScaleCharToQuantum((unsigned char)
643 ReadBlobByte(image)),q);
644 if (icon_info.bits_per_pixel == 32)
645 SetPixelAlpha(image,ScaleCharToQuantum((unsigned char)
646 ReadBlobByte(image)),q);
647 q+=GetPixelChannels(image);
648 }
649 if (icon_info.bits_per_pixel == 24)
650 for (x=0; x < (ssize_t) scanline_pad; x++)
651 (void) ReadBlobByte(image);
652 if (SyncAuthenticPixels(image,exception) == MagickFalse)
653 break;
654 if (image->previous == (Image *) NULL)
655 {
656 status=SetImageProgress(image,LoadImageTag,image->rows-y-1,
657 image->rows);
658 if (status == MagickFalse)
659 break;
660 }
661 }
662 break;
663 }
664 default:
665 ThrowReaderException(CorruptImageError,"ImproperImageHeader");
666 }
667 if ((image_info->ping == MagickFalse) &&
668 (icon_info.bits_per_pixel <= 16))
669 (void) SyncImage(image,exception);
670 if (icon_info.bits_per_pixel != 32)
671 {
672 /*
673 Read the ICON alpha mask.
674 */
675 image->storage_class=DirectClass;
676 for (y=(ssize_t) image->rows-1; y >= 0; y--)
677 {
678 q=GetAuthenticPixels(image,0,y,image->columns,1,exception);
679 if (q == (Quantum *) NULL)
680 break;
681 for (x=0; x < ((ssize_t) image->columns-7); x+=8)
682 {
683 byte=(size_t) ReadBlobByte(image);
684 for (bit=0; bit < 8; bit++)
685 {
686 SetPixelAlpha(image,(((byte & (0x80 >> bit)) != 0) ?
687 TransparentAlpha : OpaqueAlpha),q);
688 q+=GetPixelChannels(image);
689 }
690 }
691 if ((image->columns % 8) != 0)
692 {
693 byte=(size_t) ReadBlobByte(image);
694 for (bit=0; bit < (image->columns % 8); bit++)
695 {
696 SetPixelAlpha(image,(((byte & (0x80 >> bit)) != 0) ?
697 TransparentAlpha : OpaqueAlpha),q);
698 q+=GetPixelChannels(image);
699 }
700 }
701 if ((image->columns % 32) != 0)
702 for (x=0; x < (ssize_t) ((32-(image->columns % 32))/8); x++)
703 (void) ReadBlobByte(image);
704 if (SyncAuthenticPixels(image,exception) == MagickFalse)
705 break;
706 }
707 }
708 if (EOFBlob(image) != MagickFalse)
709 {
710 ThrowFileException(exception,CorruptImageError,
711 "UnexpectedEndOfFile",image->filename);
712 break;
713 }
714 }
715 /*
716 Proceed to next image.
717 */
718 if (image_info->number_scenes != 0)
719 if (image->scene >= (image_info->scene+image_info->number_scenes-1))
720 break;
721 if (i < (ssize_t) (icon_file.count-1))
722 {
723 /*
724 Allocate next image structure.
725 */
726 AcquireNextImage(image_info,image,exception);
727 if (GetNextImageInList(image) == (Image *) NULL)
728 {
729 image=DestroyImageList(image);
730 return((Image *) NULL);
731 }
732 image=SyncNextImageInList(image);
733 status=SetImageProgress(image,LoadImagesTag,TellBlob(image),
734 GetBlobSize(image));
735 if (status == MagickFalse)
736 break;
737 }
738 }
739 (void) CloseBlob(image);
740 return(GetFirstImageInList(image));
741 }
742
743 /*
744 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
745 % %
746 % %
747 % %
748 % R e g i s t e r I C O N I m a g e %
749 % %
750 % %
751 % %
752 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
753 %
754 % RegisterICONImage() adds attributes for the Icon image format to
755 % the list of supported formats. The attributes include the image format
756 % tag, a method to read and/or write the format, whether the format
757 % supports the saving of more than one frame to the same file or blob,
758 % whether the format supports native in-memory I/O, and a brief
759 % description of the format.
760 %
761 % The format of the RegisterICONImage method is:
762 %
763 % size_t RegisterICONImage(void)
764 %
765 */
RegisterICONImage(void)766 ModuleExport size_t RegisterICONImage(void)
767 {
768 MagickInfo
769 *entry;
770
771 entry=AcquireMagickInfo("ICON","CUR","Microsoft icon");
772 entry->decoder=(DecodeImageHandler *) ReadICONImage;
773 entry->encoder=(EncodeImageHandler *) WriteICONImage;
774 entry->flags^=CoderAdjoinFlag;
775 entry->flags|=CoderSeekableStreamFlag;
776 (void) RegisterMagickInfo(entry);
777 entry=AcquireMagickInfo("ICON","ICO","Microsoft icon");
778 entry->decoder=(DecodeImageHandler *) ReadICONImage;
779 entry->encoder=(EncodeImageHandler *) WriteICONImage;
780 entry->flags|=CoderSeekableStreamFlag;
781 (void) RegisterMagickInfo(entry);
782 entry=AcquireMagickInfo("ICON","ICON","Microsoft icon");
783 entry->decoder=(DecodeImageHandler *) ReadICONImage;
784 entry->encoder=(EncodeImageHandler *) WriteICONImage;
785 entry->flags^=CoderAdjoinFlag;
786 entry->flags|=CoderSeekableStreamFlag;
787 (void) RegisterMagickInfo(entry);
788 return(MagickImageCoderSignature);
789 }
790
791 /*
792 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
793 % %
794 % %
795 % %
796 % U n r e g i s t e r I C O N I m a g e %
797 % %
798 % %
799 % %
800 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
801 %
802 % UnregisterICONImage() removes format registrations made by the
803 % ICON module from the list of supported formats.
804 %
805 % The format of the UnregisterICONImage method is:
806 %
807 % UnregisterICONImage(void)
808 %
809 */
UnregisterICONImage(void)810 ModuleExport void UnregisterICONImage(void)
811 {
812 (void) UnregisterMagickInfo("CUR");
813 (void) UnregisterMagickInfo("ICO");
814 (void) UnregisterMagickInfo("ICON");
815 }
816
817 /*
818 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
819 % %
820 % %
821 % %
822 % W r i t e I C O N I m a g e %
823 % %
824 % %
825 % %
826 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
827 %
828 % WriteICONImage() writes an image in Microsoft Windows bitmap encoded
829 % image format, version 3 for Windows or (if the image has a matte channel)
830 % version 4.
831 %
832 % It encodes any subimage as a compressed PNG image ("BI_PNG)", only when its
833 % dimensions are 256x256 and image->compression is undefined or is defined as
834 % ZipCompression.
835 %
836 % The format of the WriteICONImage method is:
837 %
838 % MagickBooleanType WriteICONImage(const ImageInfo *image_info,
839 % Image *image,ExceptionInfo *exception)
840 %
841 % A description of each parameter follows.
842 %
843 % o image_info: the image info.
844 %
845 % o image: The image.
846 %
847 % o exception: return any errors or warnings in this structure.
848 %
849 */
WriteICONImage(const ImageInfo * image_info,Image * image,ExceptionInfo * exception)850 static MagickBooleanType WriteICONImage(const ImageInfo *image_info,
851 Image *image,ExceptionInfo *exception)
852 {
853 const char
854 *option;
855
856 IconFile
857 icon_file;
858
859 IconInfo
860 icon_info;
861
862 Image
863 *images,
864 *next;
865
866 MagickBooleanType
867 status;
868
869 MagickOffsetType
870 offset,
871 scene;
872
873 register const Quantum
874 *p;
875
876 register ssize_t
877 i,
878 x;
879
880 register unsigned char
881 *q;
882
883 size_t
884 bytes_per_line,
885 scanline_pad;
886
887 ssize_t
888 y;
889
890 unsigned char
891 bit,
892 byte,
893 *pixels;
894
895 /*
896 Open output image file.
897 */
898 assert(image_info != (const ImageInfo *) NULL);
899 assert(image_info->signature == MagickCoreSignature);
900 assert(image != (Image *) NULL);
901 assert(image->signature == MagickCoreSignature);
902 (void) LogMagickEvent(CoderEvent,GetMagickModule(),"%s",image->filename);
903 assert(exception != (ExceptionInfo *) NULL);
904 assert(exception->signature == MagickCoreSignature);
905 status=OpenBlob(image_info,image,WriteBinaryBlobMode,exception);
906 if (status == MagickFalse)
907 return(status);
908 images=(Image *) NULL;
909 option=GetImageOption(image_info,"icon:auto-resize");
910 if (option != (const char *) NULL)
911 {
912 images=AutoResizeImage(image,option,&scene,exception);
913 if (images == (Image *) NULL)
914 ThrowWriterException(ImageError,"InvalidDimensions");
915 }
916 else
917 {
918 scene=0;
919 next=image;
920 do
921 {
922 if ((image->columns > 256L) || (image->rows > 256L))
923 ThrowWriterException(ImageError,"WidthOrHeightExceedsLimit");
924 scene++;
925 next=SyncNextImageInList(next);
926 } while ((next != (Image *) NULL) && (image_info->adjoin != MagickFalse));
927 }
928 /*
929 Dump out a ICON header template to be properly initialized later.
930 */
931 (void) WriteBlobLSBShort(image,0);
932 (void) WriteBlobLSBShort(image,1);
933 (void) WriteBlobLSBShort(image,(unsigned char) scene);
934 (void) ResetMagickMemory(&icon_file,0,sizeof(icon_file));
935 (void) ResetMagickMemory(&icon_info,0,sizeof(icon_info));
936 scene=0;
937 next=(images != (Image *) NULL) ? images : image;
938 do
939 {
940 (void) WriteBlobByte(image,icon_file.directory[scene].width);
941 (void) WriteBlobByte(image,icon_file.directory[scene].height);
942 (void) WriteBlobByte(image,icon_file.directory[scene].colors);
943 (void) WriteBlobByte(image,icon_file.directory[scene].reserved);
944 (void) WriteBlobLSBShort(image,icon_file.directory[scene].planes);
945 (void) WriteBlobLSBShort(image,icon_file.directory[scene].bits_per_pixel);
946 (void) WriteBlobLSBLong(image,(unsigned int)
947 icon_file.directory[scene].size);
948 (void) WriteBlobLSBLong(image,(unsigned int)
949 icon_file.directory[scene].offset);
950 scene++;
951 next=SyncNextImageInList(next);
952 } while ((next != (Image *) NULL) && (image_info->adjoin != MagickFalse));
953 scene=0;
954 next=(images != (Image *) NULL) ? images : image;
955 do
956 {
957 if ((next->columns > 255L) && (next->rows > 255L) &&
958 ((next->compression == UndefinedCompression) ||
959 (next->compression == ZipCompression)))
960 {
961 Image
962 *write_image;
963
964 ImageInfo
965 *write_info;
966
967 size_t
968 length;
969
970 unsigned char
971 *png;
972
973 write_image=CloneImage(next,0,0,MagickTrue,exception);
974 if (write_image == (Image *) NULL)
975 {
976 images=DestroyImageList(images);
977 return(MagickFalse);
978 }
979 write_info=CloneImageInfo(image_info);
980 (void) CopyMagickString(write_info->filename,"PNG:",MagickPathExtent);
981
982 /* Don't write any ancillary chunks except for gAMA */
983 (void) SetImageArtifact(write_image,"png:include-chunk","none,gama");
984
985 /* Only write PNG32 formatted PNG (32-bit RGBA), 8 bits per channel */
986 (void) SetImageArtifact(write_image,"png:format","png32");
987
988 png=(unsigned char *) ImageToBlob(write_info,write_image,&length,
989 exception);
990 write_image=DestroyImageList(write_image);
991 write_info=DestroyImageInfo(write_info);
992 if (png == (unsigned char *) NULL)
993 {
994 images=DestroyImageList(images);
995 return(MagickFalse);
996 }
997 icon_file.directory[scene].width=0;
998 icon_file.directory[scene].height=0;
999 icon_file.directory[scene].colors=0;
1000 icon_file.directory[scene].reserved=0;
1001 icon_file.directory[scene].planes=1;
1002 icon_file.directory[scene].bits_per_pixel=32;
1003 icon_file.directory[scene].size=(size_t) length;
1004 icon_file.directory[scene].offset=(size_t) TellBlob(image);
1005 (void) WriteBlob(image,(size_t) length,png);
1006 png=(unsigned char *) RelinquishMagickMemory(png);
1007 }
1008 else
1009 {
1010 /*
1011 Initialize ICON raster file header.
1012 */
1013 (void) TransformImageColorspace(next,sRGBColorspace,exception);
1014 icon_info.file_size=14+12+28;
1015 icon_info.offset_bits=icon_info.file_size;
1016 icon_info.compression=BI_RGB;
1017 if ((next->storage_class != DirectClass) && (next->colors > 256))
1018 (void) SetImageStorageClass(next,DirectClass,exception);
1019 if (next->storage_class == DirectClass)
1020 {
1021 /*
1022 Full color ICON raster.
1023 */
1024 icon_info.number_colors=0;
1025 icon_info.bits_per_pixel=32;
1026 icon_info.compression=(size_t) BI_RGB;
1027 }
1028 else
1029 {
1030 size_t
1031 one;
1032
1033 /*
1034 Colormapped ICON raster.
1035 */
1036 icon_info.bits_per_pixel=8;
1037 if (next->colors <= 256)
1038 icon_info.bits_per_pixel=8;
1039 if (next->colors <= 16)
1040 icon_info.bits_per_pixel=4;
1041 if (next->colors <= 2)
1042 icon_info.bits_per_pixel=1;
1043 one=1;
1044 icon_info.number_colors=one << icon_info.bits_per_pixel;
1045 if (icon_info.number_colors < next->colors)
1046 {
1047 (void) SetImageStorageClass(next,DirectClass,exception);
1048 icon_info.number_colors=0;
1049 icon_info.bits_per_pixel=(unsigned short) 24;
1050 icon_info.compression=(size_t) BI_RGB;
1051 }
1052 else
1053 {
1054 size_t
1055 one;
1056
1057 one=1;
1058 icon_info.file_size+=3*(one << icon_info.bits_per_pixel);
1059 icon_info.offset_bits+=3*(one << icon_info.bits_per_pixel);
1060 icon_info.file_size+=(one << icon_info.bits_per_pixel);
1061 icon_info.offset_bits+=(one << icon_info.bits_per_pixel);
1062 }
1063 }
1064 bytes_per_line=(((next->columns*icon_info.bits_per_pixel)+31) &
1065 ~31) >> 3;
1066 icon_info.ba_offset=0;
1067 icon_info.width=(ssize_t) next->columns;
1068 icon_info.height=(ssize_t) next->rows;
1069 icon_info.planes=1;
1070 icon_info.image_size=bytes_per_line*next->rows;
1071 icon_info.size=40;
1072 icon_info.size+=(4*icon_info.number_colors);
1073 icon_info.size+=icon_info.image_size;
1074 icon_info.size+=(((icon_info.width+31) & ~31) >> 3)*icon_info.height;
1075 icon_info.file_size+=icon_info.image_size;
1076 icon_info.x_pixels=0;
1077 icon_info.y_pixels=0;
1078 switch (next->units)
1079 {
1080 case UndefinedResolution:
1081 case PixelsPerInchResolution:
1082 {
1083 icon_info.x_pixels=(size_t) (100.0*next->resolution.x/2.54);
1084 icon_info.y_pixels=(size_t) (100.0*next->resolution.y/2.54);
1085 break;
1086 }
1087 case PixelsPerCentimeterResolution:
1088 {
1089 icon_info.x_pixels=(size_t) (100.0*next->resolution.x);
1090 icon_info.y_pixels=(size_t) (100.0*next->resolution.y);
1091 break;
1092 }
1093 }
1094 icon_info.colors_important=icon_info.number_colors;
1095 /*
1096 Convert MIFF to ICON raster pixels.
1097 */
1098 pixels=(unsigned char *) AcquireQuantumMemory((size_t)
1099 icon_info.image_size,sizeof(*pixels));
1100 if (pixels == (unsigned char *) NULL)
1101 {
1102 images=DestroyImageList(images);
1103 ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed");
1104 }
1105 (void) ResetMagickMemory(pixels,0,(size_t) icon_info.image_size);
1106 switch (icon_info.bits_per_pixel)
1107 {
1108 case 1:
1109 {
1110 size_t
1111 bit,
1112 byte;
1113
1114 /*
1115 Convert PseudoClass image to a ICON monochrome image.
1116 */
1117 for (y=0; y < (ssize_t) next->rows; y++)
1118 {
1119 p=GetVirtualPixels(next,0,y,next->columns,1,exception);
1120 if (p == (const Quantum *) NULL)
1121 break;
1122 q=pixels+(next->rows-y-1)*bytes_per_line;
1123 bit=0;
1124 byte=0;
1125 for (x=0; x < (ssize_t) next->columns; x++)
1126 {
1127 byte<<=1;
1128 byte|=GetPixelIndex(next,p) != 0 ? 0x01 : 0x00;
1129 bit++;
1130 if (bit == 8)
1131 {
1132 *q++=(unsigned char) byte;
1133 bit=0;
1134 byte=0;
1135 }
1136 p+=GetPixelChannels(image);
1137 }
1138 if (bit != 0)
1139 *q++=(unsigned char) (byte << (8-bit));
1140 if (next->previous == (Image *) NULL)
1141 {
1142 status=SetImageProgress(next,SaveImageTag,y,next->rows);
1143 if (status == MagickFalse)
1144 break;
1145 }
1146 }
1147 break;
1148 }
1149 case 4:
1150 {
1151 size_t
1152 nibble,
1153 byte;
1154
1155 /*
1156 Convert PseudoClass image to a ICON monochrome image.
1157 */
1158 for (y=0; y < (ssize_t) next->rows; y++)
1159 {
1160 p=GetVirtualPixels(next,0,y,next->columns,1,exception);
1161 if (p == (const Quantum *) NULL)
1162 break;
1163 q=pixels+(next->rows-y-1)*bytes_per_line;
1164 nibble=0;
1165 byte=0;
1166 for (x=0; x < (ssize_t) next->columns; x++)
1167 {
1168 byte<<=4;
1169 byte|=((size_t) GetPixelIndex(next,p) & 0x0f);
1170 nibble++;
1171 if (nibble == 2)
1172 {
1173 *q++=(unsigned char) byte;
1174 nibble=0;
1175 byte=0;
1176 }
1177 p+=GetPixelChannels(image);
1178 }
1179 if (nibble != 0)
1180 *q++=(unsigned char) (byte << 4);
1181 if (next->previous == (Image *) NULL)
1182 {
1183 status=SetImageProgress(next,SaveImageTag,y,next->rows);
1184 if (status == MagickFalse)
1185 break;
1186 }
1187 }
1188 break;
1189 }
1190 case 8:
1191 {
1192 /*
1193 Convert PseudoClass packet to ICON pixel.
1194 */
1195 for (y=0; y < (ssize_t) next->rows; y++)
1196 {
1197 p=GetVirtualPixels(next,0,y,next->columns,1,exception);
1198 if (p == (const Quantum *) NULL)
1199 break;
1200 q=pixels+(next->rows-y-1)*bytes_per_line;
1201 for (x=0; x < (ssize_t) next->columns; x++)
1202 {
1203 *q++=(unsigned char) GetPixelIndex(next,p);
1204 p+=GetPixelChannels(image);
1205 }
1206 if (next->previous == (Image *) NULL)
1207 {
1208 status=SetImageProgress(next,SaveImageTag,y,next->rows);
1209 if (status == MagickFalse)
1210 break;
1211 }
1212 }
1213 break;
1214 }
1215 case 24:
1216 case 32:
1217 {
1218 /*
1219 Convert DirectClass packet to ICON BGR888 or BGRA8888 pixel.
1220 */
1221 for (y=0; y < (ssize_t) next->rows; y++)
1222 {
1223 p=GetVirtualPixels(next,0,y,next->columns,1,exception);
1224 if (p == (const Quantum *) NULL)
1225 break;
1226 q=pixels+(next->rows-y-1)*bytes_per_line;
1227 for (x=0; x < (ssize_t) next->columns; x++)
1228 {
1229 *q++=ScaleQuantumToChar(GetPixelBlue(next,p));
1230 *q++=ScaleQuantumToChar(GetPixelGreen(next,p));
1231 *q++=ScaleQuantumToChar(GetPixelRed(next,p));
1232 if (next->alpha_trait == UndefinedPixelTrait)
1233 *q++=ScaleQuantumToChar(QuantumRange);
1234 else
1235 *q++=ScaleQuantumToChar(GetPixelAlpha(next,p));
1236 p+=GetPixelChannels(next);
1237 }
1238 if (icon_info.bits_per_pixel == 24)
1239 for (x=3L*(ssize_t) next->columns; x < (ssize_t) bytes_per_line; x++)
1240 *q++=0x00;
1241 if (next->previous == (Image *) NULL)
1242 {
1243 status=SetImageProgress(next,SaveImageTag,y,next->rows);
1244 if (status == MagickFalse)
1245 break;
1246 }
1247 }
1248 break;
1249 }
1250 }
1251 /*
1252 Write 40-byte version 3+ bitmap header.
1253 */
1254 icon_file.directory[scene].width=(unsigned char) icon_info.width;
1255 icon_file.directory[scene].height=(unsigned char) icon_info.height;
1256 icon_file.directory[scene].colors=(unsigned char)
1257 icon_info.number_colors;
1258 icon_file.directory[scene].reserved=0;
1259 icon_file.directory[scene].planes=icon_info.planes;
1260 icon_file.directory[scene].bits_per_pixel=icon_info.bits_per_pixel;
1261 icon_file.directory[scene].size=icon_info.size;
1262 icon_file.directory[scene].offset=(size_t) TellBlob(image);
1263 (void) WriteBlobLSBLong(image,(unsigned int) 40);
1264 (void) WriteBlobLSBLong(image,(unsigned int) icon_info.width);
1265 (void) WriteBlobLSBLong(image,(unsigned int) icon_info.height*2);
1266 (void) WriteBlobLSBShort(image,icon_info.planes);
1267 (void) WriteBlobLSBShort(image,icon_info.bits_per_pixel);
1268 (void) WriteBlobLSBLong(image,(unsigned int) icon_info.compression);
1269 (void) WriteBlobLSBLong(image,(unsigned int) icon_info.image_size);
1270 (void) WriteBlobLSBLong(image,(unsigned int) icon_info.x_pixels);
1271 (void) WriteBlobLSBLong(image,(unsigned int) icon_info.y_pixels);
1272 (void) WriteBlobLSBLong(image,(unsigned int) icon_info.number_colors);
1273 (void) WriteBlobLSBLong(image,(unsigned int) icon_info.colors_important);
1274 if (next->storage_class == PseudoClass)
1275 {
1276 unsigned char
1277 *icon_colormap;
1278
1279 /*
1280 Dump colormap to file.
1281 */
1282 icon_colormap=(unsigned char *) AcquireQuantumMemory((size_t)
1283 (1UL << icon_info.bits_per_pixel),4UL*sizeof(*icon_colormap));
1284 if (icon_colormap == (unsigned char *) NULL)
1285 {
1286 images=DestroyImageList(images);
1287 ThrowWriterException(ResourceLimitError,
1288 "MemoryAllocationFailed");
1289 }
1290 q=icon_colormap;
1291 for (i=0; i < (ssize_t) next->colors; i++)
1292 {
1293 *q++=ScaleQuantumToChar(next->colormap[i].blue);
1294 *q++=ScaleQuantumToChar(next->colormap[i].green);
1295 *q++=ScaleQuantumToChar(next->colormap[i].red);
1296 *q++=(unsigned char) 0x0;
1297 }
1298 for ( ; i < (ssize_t) (1UL << icon_info.bits_per_pixel); i++)
1299 {
1300 *q++=(unsigned char) 0x00;
1301 *q++=(unsigned char) 0x00;
1302 *q++=(unsigned char) 0x00;
1303 *q++=(unsigned char) 0x00;
1304 }
1305 (void) WriteBlob(image,(size_t) (4UL*(1UL <<
1306 icon_info.bits_per_pixel)),icon_colormap);
1307 icon_colormap=(unsigned char *) RelinquishMagickMemory(
1308 icon_colormap);
1309 }
1310 (void) WriteBlob(image,(size_t) icon_info.image_size,pixels);
1311 pixels=(unsigned char *) RelinquishMagickMemory(pixels);
1312 /*
1313 Write matte mask.
1314 */
1315 scanline_pad=(((next->columns+31) & ~31)-next->columns) >> 3;
1316 for (y=((ssize_t) next->rows - 1); y >= 0; y--)
1317 {
1318 p=GetVirtualPixels(next,0,y,next->columns,1,exception);
1319 if (p == (const Quantum *) NULL)
1320 break;
1321 bit=0;
1322 byte=0;
1323 for (x=0; x < (ssize_t) next->columns; x++)
1324 {
1325 byte<<=1;
1326 if ((next->alpha_trait != UndefinedPixelTrait) &&
1327 (GetPixelAlpha(next,p) == (Quantum) TransparentAlpha))
1328 byte|=0x01;
1329 bit++;
1330 if (bit == 8)
1331 {
1332 (void) WriteBlobByte(image,(unsigned char) byte);
1333 bit=0;
1334 byte=0;
1335 }
1336 p+=GetPixelChannels(next);
1337 }
1338 if (bit != 0)
1339 (void) WriteBlobByte(image,(unsigned char) (byte << (8-bit)));
1340 for (i=0; i < (ssize_t) scanline_pad; i++)
1341 (void) WriteBlobByte(image,(unsigned char) 0);
1342 }
1343 }
1344 if (GetNextImageInList(next) == (Image *) NULL)
1345 break;
1346 status=SetImageProgress(next,SaveImagesTag,scene++,
1347 GetImageListLength(next));
1348 if (status == MagickFalse)
1349 break;
1350 next=SyncNextImageInList(next);
1351 } while ((next != (Image *) NULL) && (image_info->adjoin != MagickFalse));
1352 offset=SeekBlob(image,0,SEEK_SET);
1353 (void) offset;
1354 (void) WriteBlobLSBShort(image,0);
1355 (void) WriteBlobLSBShort(image,1);
1356 (void) WriteBlobLSBShort(image,(unsigned short) (scene+1));
1357 scene=0;
1358 next=(images != (Image *) NULL) ? images : image;
1359 do
1360 {
1361 (void) WriteBlobByte(image,icon_file.directory[scene].width);
1362 (void) WriteBlobByte(image,icon_file.directory[scene].height);
1363 (void) WriteBlobByte(image,icon_file.directory[scene].colors);
1364 (void) WriteBlobByte(image,icon_file.directory[scene].reserved);
1365 (void) WriteBlobLSBShort(image,icon_file.directory[scene].planes);
1366 (void) WriteBlobLSBShort(image,icon_file.directory[scene].bits_per_pixel);
1367 (void) WriteBlobLSBLong(image,(unsigned int)
1368 icon_file.directory[scene].size);
1369 (void) WriteBlobLSBLong(image,(unsigned int)
1370 icon_file.directory[scene].offset);
1371 scene++;
1372 next=SyncNextImageInList(next);
1373 } while ((next != (Image *) NULL) && (image_info->adjoin != MagickFalse));
1374 (void) CloseBlob(image);
1375 images=DestroyImageList(images);
1376 return(MagickTrue);
1377 }
1378