1 /*
2 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
3 % %
4 % %
5 % %
6 % PPPP IIIII CCCC TTTTT %
7 % P P I C T %
8 % PPPP I C T %
9 % P I C T %
10 % P IIIII CCCC T %
11 % %
12 % %
13 % Read/Write Apple Macintosh QuickDraw/PICT Format %
14 % %
15 % Software Design %
16 % Cristy %
17 % July 1992 %
18 % %
19 % %
20 % Copyright 1999-2019 ImageMagick Studio LLC, a non-profit organization %
21 % dedicated to making software imaging solutions freely available. %
22 % %
23 % You may not use this file except in compliance with the License. You may %
24 % obtain a copy of the License at %
25 % %
26 % https://imagemagick.org/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/blob.h"
44 #include "MagickCore/blob-private.h"
45 #include "MagickCore/cache.h"
46 #include "MagickCore/color-private.h"
47 #include "MagickCore/colormap.h"
48 #include "MagickCore/colormap-private.h"
49 #include "MagickCore/colorspace.h"
50 #include "MagickCore/colorspace-private.h"
51 #include "MagickCore/composite.h"
52 #include "MagickCore/constitute.h"
53 #include "MagickCore/exception.h"
54 #include "MagickCore/exception-private.h"
55 #include "MagickCore/image.h"
56 #include "MagickCore/image-private.h"
57 #include "MagickCore/list.h"
58 #include "MagickCore/log.h"
59 #include "MagickCore/magick.h"
60 #include "MagickCore/memory_.h"
61 #include "MagickCore/monitor.h"
62 #include "MagickCore/monitor-private.h"
63 #include "MagickCore/pixel-accessor.h"
64 #include "MagickCore/profile.h"
65 #include "MagickCore/resource_.h"
66 #include "MagickCore/quantum-private.h"
67 #include "MagickCore/static.h"
68 #include "MagickCore/string_.h"
69 #include "MagickCore/module.h"
70 #include "MagickCore/transform.h"
71 #include "MagickCore/utility.h"
72
73 /*
74 ImageMagick Macintosh PICT Methods.
75 */
76 typedef struct _PICTCode
77 {
78 const char
79 *name;
80
81 ssize_t
82 length;
83
84 const char
85 *description;
86 } PICTCode;
87
88 typedef struct _PICTPixmap
89 {
90 short
91 version,
92 pack_type;
93
94 size_t
95 pack_size,
96 horizontal_resolution,
97 vertical_resolution;
98
99 short
100 pixel_type,
101 bits_per_pixel,
102 component_count,
103 component_size;
104
105 size_t
106 plane_bytes,
107 table,
108 reserved;
109 } PICTPixmap;
110
111 typedef struct _PICTRectangle
112 {
113 short
114 top,
115 left,
116 bottom,
117 right;
118 } PICTRectangle;
119
120 static const PICTCode
121 codes[] =
122 {
123 /* 0x00 */ { "NOP", 0, "nop" },
124 /* 0x01 */ { "Clip", 0, "clip" },
125 /* 0x02 */ { "BkPat", 8, "background pattern" },
126 /* 0x03 */ { "TxFont", 2, "text font (word)" },
127 /* 0x04 */ { "TxFace", 1, "text face (byte)" },
128 /* 0x05 */ { "TxMode", 2, "text mode (word)" },
129 /* 0x06 */ { "SpExtra", 4, "space extra (fixed point)" },
130 /* 0x07 */ { "PnSize", 4, "pen size (point)" },
131 /* 0x08 */ { "PnMode", 2, "pen mode (word)" },
132 /* 0x09 */ { "PnPat", 8, "pen pattern" },
133 /* 0x0a */ { "FillPat", 8, "fill pattern" },
134 /* 0x0b */ { "OvSize", 4, "oval size (point)" },
135 /* 0x0c */ { "Origin", 4, "dh, dv (word)" },
136 /* 0x0d */ { "TxSize", 2, "text size (word)" },
137 /* 0x0e */ { "FgColor", 4, "foreground color (ssize_tword)" },
138 /* 0x0f */ { "BkColor", 4, "background color (ssize_tword)" },
139 /* 0x10 */ { "TxRatio", 8, "numerator (point), denominator (point)" },
140 /* 0x11 */ { "Version", 1, "version (byte)" },
141 /* 0x12 */ { "BkPixPat", 0, "color background pattern" },
142 /* 0x13 */ { "PnPixPat", 0, "color pen pattern" },
143 /* 0x14 */ { "FillPixPat", 0, "color fill pattern" },
144 /* 0x15 */ { "PnLocHFrac", 2, "fractional pen position" },
145 /* 0x16 */ { "ChExtra", 2, "extra for each character" },
146 /* 0x17 */ { "reserved", 0, "reserved for Apple use" },
147 /* 0x18 */ { "reserved", 0, "reserved for Apple use" },
148 /* 0x19 */ { "reserved", 0, "reserved for Apple use" },
149 /* 0x1a */ { "RGBFgCol", 6, "RGB foreColor" },
150 /* 0x1b */ { "RGBBkCol", 6, "RGB backColor" },
151 /* 0x1c */ { "HiliteMode", 0, "hilite mode flag" },
152 /* 0x1d */ { "HiliteColor", 6, "RGB hilite color" },
153 /* 0x1e */ { "DefHilite", 0, "Use default hilite color" },
154 /* 0x1f */ { "OpColor", 6, "RGB OpColor for arithmetic modes" },
155 /* 0x20 */ { "Line", 8, "pnLoc (point), newPt (point)" },
156 /* 0x21 */ { "LineFrom", 4, "newPt (point)" },
157 /* 0x22 */ { "ShortLine", 6, "pnLoc (point, dh, dv (-128 .. 127))" },
158 /* 0x23 */ { "ShortLineFrom", 2, "dh, dv (-128 .. 127)" },
159 /* 0x24 */ { "reserved", -1, "reserved for Apple use" },
160 /* 0x25 */ { "reserved", -1, "reserved for Apple use" },
161 /* 0x26 */ { "reserved", -1, "reserved for Apple use" },
162 /* 0x27 */ { "reserved", -1, "reserved for Apple use" },
163 /* 0x28 */ { "LongText", 0, "txLoc (point), count (0..255), text" },
164 /* 0x29 */ { "DHText", 0, "dh (0..255), count (0..255), text" },
165 /* 0x2a */ { "DVText", 0, "dv (0..255), count (0..255), text" },
166 /* 0x2b */ { "DHDVText", 0, "dh, dv (0..255), count (0..255), text" },
167 /* 0x2c */ { "reserved", -1, "reserved for Apple use" },
168 /* 0x2d */ { "reserved", -1, "reserved for Apple use" },
169 /* 0x2e */ { "reserved", -1, "reserved for Apple use" },
170 /* 0x2f */ { "reserved", -1, "reserved for Apple use" },
171 /* 0x30 */ { "frameRect", 8, "rect" },
172 /* 0x31 */ { "paintRect", 8, "rect" },
173 /* 0x32 */ { "eraseRect", 8, "rect" },
174 /* 0x33 */ { "invertRect", 8, "rect" },
175 /* 0x34 */ { "fillRect", 8, "rect" },
176 /* 0x35 */ { "reserved", 8, "reserved for Apple use" },
177 /* 0x36 */ { "reserved", 8, "reserved for Apple use" },
178 /* 0x37 */ { "reserved", 8, "reserved for Apple use" },
179 /* 0x38 */ { "frameSameRect", 0, "rect" },
180 /* 0x39 */ { "paintSameRect", 0, "rect" },
181 /* 0x3a */ { "eraseSameRect", 0, "rect" },
182 /* 0x3b */ { "invertSameRect", 0, "rect" },
183 /* 0x3c */ { "fillSameRect", 0, "rect" },
184 /* 0x3d */ { "reserved", 0, "reserved for Apple use" },
185 /* 0x3e */ { "reserved", 0, "reserved for Apple use" },
186 /* 0x3f */ { "reserved", 0, "reserved for Apple use" },
187 /* 0x40 */ { "frameRRect", 8, "rect" },
188 /* 0x41 */ { "paintRRect", 8, "rect" },
189 /* 0x42 */ { "eraseRRect", 8, "rect" },
190 /* 0x43 */ { "invertRRect", 8, "rect" },
191 /* 0x44 */ { "fillRRrect", 8, "rect" },
192 /* 0x45 */ { "reserved", 8, "reserved for Apple use" },
193 /* 0x46 */ { "reserved", 8, "reserved for Apple use" },
194 /* 0x47 */ { "reserved", 8, "reserved for Apple use" },
195 /* 0x48 */ { "frameSameRRect", 0, "rect" },
196 /* 0x49 */ { "paintSameRRect", 0, "rect" },
197 /* 0x4a */ { "eraseSameRRect", 0, "rect" },
198 /* 0x4b */ { "invertSameRRect", 0, "rect" },
199 /* 0x4c */ { "fillSameRRect", 0, "rect" },
200 /* 0x4d */ { "reserved", 0, "reserved for Apple use" },
201 /* 0x4e */ { "reserved", 0, "reserved for Apple use" },
202 /* 0x4f */ { "reserved", 0, "reserved for Apple use" },
203 /* 0x50 */ { "frameOval", 8, "rect" },
204 /* 0x51 */ { "paintOval", 8, "rect" },
205 /* 0x52 */ { "eraseOval", 8, "rect" },
206 /* 0x53 */ { "invertOval", 8, "rect" },
207 /* 0x54 */ { "fillOval", 8, "rect" },
208 /* 0x55 */ { "reserved", 8, "reserved for Apple use" },
209 /* 0x56 */ { "reserved", 8, "reserved for Apple use" },
210 /* 0x57 */ { "reserved", 8, "reserved for Apple use" },
211 /* 0x58 */ { "frameSameOval", 0, "rect" },
212 /* 0x59 */ { "paintSameOval", 0, "rect" },
213 /* 0x5a */ { "eraseSameOval", 0, "rect" },
214 /* 0x5b */ { "invertSameOval", 0, "rect" },
215 /* 0x5c */ { "fillSameOval", 0, "rect" },
216 /* 0x5d */ { "reserved", 0, "reserved for Apple use" },
217 /* 0x5e */ { "reserved", 0, "reserved for Apple use" },
218 /* 0x5f */ { "reserved", 0, "reserved for Apple use" },
219 /* 0x60 */ { "frameArc", 12, "rect, startAngle, arcAngle" },
220 /* 0x61 */ { "paintArc", 12, "rect, startAngle, arcAngle" },
221 /* 0x62 */ { "eraseArc", 12, "rect, startAngle, arcAngle" },
222 /* 0x63 */ { "invertArc", 12, "rect, startAngle, arcAngle" },
223 /* 0x64 */ { "fillArc", 12, "rect, startAngle, arcAngle" },
224 /* 0x65 */ { "reserved", 12, "reserved for Apple use" },
225 /* 0x66 */ { "reserved", 12, "reserved for Apple use" },
226 /* 0x67 */ { "reserved", 12, "reserved for Apple use" },
227 /* 0x68 */ { "frameSameArc", 4, "rect, startAngle, arcAngle" },
228 /* 0x69 */ { "paintSameArc", 4, "rect, startAngle, arcAngle" },
229 /* 0x6a */ { "eraseSameArc", 4, "rect, startAngle, arcAngle" },
230 /* 0x6b */ { "invertSameArc", 4, "rect, startAngle, arcAngle" },
231 /* 0x6c */ { "fillSameArc", 4, "rect, startAngle, arcAngle" },
232 /* 0x6d */ { "reserved", 4, "reserved for Apple use" },
233 /* 0x6e */ { "reserved", 4, "reserved for Apple use" },
234 /* 0x6f */ { "reserved", 4, "reserved for Apple use" },
235 /* 0x70 */ { "framePoly", 0, "poly" },
236 /* 0x71 */ { "paintPoly", 0, "poly" },
237 /* 0x72 */ { "erasePoly", 0, "poly" },
238 /* 0x73 */ { "invertPoly", 0, "poly" },
239 /* 0x74 */ { "fillPoly", 0, "poly" },
240 /* 0x75 */ { "reserved", 0, "reserved for Apple use" },
241 /* 0x76 */ { "reserved", 0, "reserved for Apple use" },
242 /* 0x77 */ { "reserved", 0, "reserved for Apple use" },
243 /* 0x78 */ { "frameSamePoly", 0, "poly (NYI)" },
244 /* 0x79 */ { "paintSamePoly", 0, "poly (NYI)" },
245 /* 0x7a */ { "eraseSamePoly", 0, "poly (NYI)" },
246 /* 0x7b */ { "invertSamePoly", 0, "poly (NYI)" },
247 /* 0x7c */ { "fillSamePoly", 0, "poly (NYI)" },
248 /* 0x7d */ { "reserved", 0, "reserved for Apple use" },
249 /* 0x7e */ { "reserved", 0, "reserved for Apple use" },
250 /* 0x7f */ { "reserved", 0, "reserved for Apple use" },
251 /* 0x80 */ { "frameRgn", 0, "region" },
252 /* 0x81 */ { "paintRgn", 0, "region" },
253 /* 0x82 */ { "eraseRgn", 0, "region" },
254 /* 0x83 */ { "invertRgn", 0, "region" },
255 /* 0x84 */ { "fillRgn", 0, "region" },
256 /* 0x85 */ { "reserved", 0, "reserved for Apple use" },
257 /* 0x86 */ { "reserved", 0, "reserved for Apple use" },
258 /* 0x87 */ { "reserved", 0, "reserved for Apple use" },
259 /* 0x88 */ { "frameSameRgn", 0, "region (NYI)" },
260 /* 0x89 */ { "paintSameRgn", 0, "region (NYI)" },
261 /* 0x8a */ { "eraseSameRgn", 0, "region (NYI)" },
262 /* 0x8b */ { "invertSameRgn", 0, "region (NYI)" },
263 /* 0x8c */ { "fillSameRgn", 0, "region (NYI)" },
264 /* 0x8d */ { "reserved", 0, "reserved for Apple use" },
265 /* 0x8e */ { "reserved", 0, "reserved for Apple use" },
266 /* 0x8f */ { "reserved", 0, "reserved for Apple use" },
267 /* 0x90 */ { "BitsRect", 0, "copybits, rect clipped" },
268 /* 0x91 */ { "BitsRgn", 0, "copybits, rgn clipped" },
269 /* 0x92 */ { "reserved", -1, "reserved for Apple use" },
270 /* 0x93 */ { "reserved", -1, "reserved for Apple use" },
271 /* 0x94 */ { "reserved", -1, "reserved for Apple use" },
272 /* 0x95 */ { "reserved", -1, "reserved for Apple use" },
273 /* 0x96 */ { "reserved", -1, "reserved for Apple use" },
274 /* 0x97 */ { "reserved", -1, "reserved for Apple use" },
275 /* 0x98 */ { "PackBitsRect", 0, "packed copybits, rect clipped" },
276 /* 0x99 */ { "PackBitsRgn", 0, "packed copybits, rgn clipped" },
277 /* 0x9a */ { "DirectBitsRect", 0, "PixMap, srcRect, dstRect, mode, PixData" },
278 /* 0x9b */ { "DirectBitsRgn", 0, "PixMap, srcRect, dstRect, mode, maskRgn, PixData" },
279 /* 0x9c */ { "reserved", -1, "reserved for Apple use" },
280 /* 0x9d */ { "reserved", -1, "reserved for Apple use" },
281 /* 0x9e */ { "reserved", -1, "reserved for Apple use" },
282 /* 0x9f */ { "reserved", -1, "reserved for Apple use" },
283 /* 0xa0 */ { "ShortComment", 2, "kind (word)" },
284 /* 0xa1 */ { "LongComment", 0, "kind (word), size (word), data" }
285 };
286
287 /*
288 Forward declarations.
289 */
290 static MagickBooleanType
291 WritePICTImage(const ImageInfo *,Image *,ExceptionInfo *);
292
293 /*
294 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
295 % %
296 % %
297 % %
298 % D e c o d e I m a g e %
299 % %
300 % %
301 % %
302 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
303 %
304 % DecodeImage decompresses an image via Macintosh pack bits decoding for
305 % Macintosh PICT images.
306 %
307 % The format of the DecodeImage method is:
308 %
309 % unsigned char *DecodeImage(Image *blob,Image *image,
310 % size_t bytes_per_line,const int bits_per_pixel,
311 % unsigned size_t extent)
312 %
313 % A description of each parameter follows:
314 %
315 % o image_info: the image info.
316 %
317 % o blob,image: the address of a structure of type Image.
318 %
319 % o bytes_per_line: This integer identifies the number of bytes in a
320 % scanline.
321 %
322 % o bits_per_pixel: the number of bits in a pixel.
323 %
324 % o extent: the number of pixels allocated.
325 %
326 */
327
ExpandBuffer(const unsigned char * magick_restrict pixels,const unsigned int bits_per_pixel,MagickSizeType * bytes_per_line)328 static const unsigned char *ExpandBuffer(const unsigned char *magick_restrict pixels,
329 const unsigned int bits_per_pixel,MagickSizeType *bytes_per_line)
330 {
331 register const unsigned char
332 *p;
333
334 register ssize_t
335 i;
336
337 register unsigned char
338 *q;
339
340 static unsigned char
341 scanline[8*256];
342
343 p=pixels;
344 q=scanline;
345 switch (bits_per_pixel)
346 {
347 case 8:
348 case 16:
349 case 32:
350 return(pixels);
351 case 4:
352 {
353 for (i=0; i < (ssize_t) *bytes_per_line; i++)
354 {
355 *q++=(*p >> 4) & 0xff;
356 *q++=(*p & 15);
357 p++;
358 }
359 *bytes_per_line*=2;
360 break;
361 }
362 case 2:
363 {
364 for (i=0; i < (ssize_t) *bytes_per_line; i++)
365 {
366 *q++=(*p >> 6) & 0x03;
367 *q++=(*p >> 4) & 0x03;
368 *q++=(*p >> 2) & 0x03;
369 *q++=(*p & 3);
370 p++;
371 }
372 *bytes_per_line*=4;
373 break;
374 }
375 case 1:
376 {
377 for (i=0; i < (ssize_t) *bytes_per_line; i++)
378 {
379 *q++=(*p >> 7) & 0x01;
380 *q++=(*p >> 6) & 0x01;
381 *q++=(*p >> 5) & 0x01;
382 *q++=(*p >> 4) & 0x01;
383 *q++=(*p >> 3) & 0x01;
384 *q++=(*p >> 2) & 0x01;
385 *q++=(*p >> 1) & 0x01;
386 *q++=(*p & 0x01);
387 p++;
388 }
389 *bytes_per_line*=8;
390 break;
391 }
392 default:
393 break;
394 }
395 return(scanline);
396 }
397
DecodeImage(Image * blob,Image * image,size_t bytes_per_line,const unsigned int bits_per_pixel,size_t * extent)398 static unsigned char *DecodeImage(Image *blob,Image *image,
399 size_t bytes_per_line,const unsigned int bits_per_pixel,size_t *extent)
400 {
401 MagickBooleanType
402 status;
403
404 MagickSizeType
405 number_pixels;
406
407 register const unsigned char
408 *p;
409
410 register ssize_t
411 i;
412
413 register unsigned char
414 *q;
415
416 size_t
417 bytes_per_pixel,
418 length,
419 row_bytes,
420 scanline_length,
421 width;
422
423 ssize_t
424 count,
425 j,
426 y;
427
428 unsigned char
429 *pixels,
430 *scanline;
431
432 /*
433 Determine pixel buffer size.
434 */
435 if (bits_per_pixel <= 8)
436 bytes_per_line&=0x7fff;
437 width=image->columns;
438 bytes_per_pixel=1;
439 if (bits_per_pixel == 16)
440 {
441 bytes_per_pixel=2;
442 width*=2;
443 }
444 else
445 if (bits_per_pixel == 32)
446 width*=image->alpha_trait ? 4 : 3;
447 if (bytes_per_line == 0)
448 bytes_per_line=width;
449 row_bytes=(size_t) (image->columns | 0x8000);
450 if (image->storage_class == DirectClass)
451 row_bytes=(size_t) ((4*image->columns) | 0x8000);
452 /*
453 Allocate pixel and scanline buffer.
454 */
455 pixels=(unsigned char *) AcquireQuantumMemory(image->rows,row_bytes*
456 sizeof(*pixels));
457 if (pixels == (unsigned char *) NULL)
458 return((unsigned char *) NULL);
459 *extent=row_bytes*image->rows*sizeof(*pixels);
460 (void) memset(pixels,0,*extent);
461 scanline=(unsigned char *) AcquireQuantumMemory(row_bytes,2*
462 sizeof(*scanline));
463 if (scanline == (unsigned char *) NULL)
464 {
465 pixels=(unsigned char *) RelinquishMagickMemory(pixels);
466 return((unsigned char *) NULL);
467 }
468 (void) memset(scanline,0,2*row_bytes*sizeof(*scanline));
469 status=MagickTrue;
470 if (bytes_per_line < 8)
471 {
472 /*
473 Pixels are already uncompressed.
474 */
475 for (y=0; y < (ssize_t) image->rows; y++)
476 {
477 q=pixels+y*width*GetPixelChannels(image);
478 number_pixels=bytes_per_line;
479 count=ReadBlob(blob,(size_t) number_pixels,scanline);
480 if (count != (ssize_t) number_pixels)
481 {
482 status=MagickFalse;
483 break;
484 }
485 p=ExpandBuffer(scanline,bits_per_pixel,&number_pixels);
486 if ((q+number_pixels) > (pixels+(*extent)))
487 {
488 status=MagickFalse;
489 break;
490 }
491 (void) memcpy(q,p,(size_t) number_pixels);
492 }
493 scanline=(unsigned char *) RelinquishMagickMemory(scanline);
494 if (status == MagickFalse)
495 pixels=(unsigned char *) RelinquishMagickMemory(pixels);
496 return(pixels);
497 }
498 /*
499 Uncompress RLE pixels into uncompressed pixel buffer.
500 */
501 for (y=0; y < (ssize_t) image->rows; y++)
502 {
503 q=pixels+y*width;
504 if (bytes_per_line > 200)
505 scanline_length=ReadBlobMSBShort(blob);
506 else
507 scanline_length=(size_t) ReadBlobByte(blob);
508 if ((scanline_length >= row_bytes) || (scanline_length == 0))
509 {
510 status=MagickFalse;
511 break;
512 }
513 count=ReadBlob(blob,scanline_length,scanline);
514 if (count != (ssize_t) scanline_length)
515 {
516 status=MagickFalse;
517 break;
518 }
519 for (j=0; j < (ssize_t) scanline_length; )
520 if ((scanline[j] & 0x80) == 0)
521 {
522 length=(size_t) ((scanline[j] & 0xff)+1);
523 number_pixels=length*bytes_per_pixel;
524 p=ExpandBuffer(scanline+j+1,bits_per_pixel,&number_pixels);
525 if ((q-pixels+number_pixels) <= *extent)
526 (void) memcpy(q,p,(size_t) number_pixels);
527 q+=number_pixels;
528 j+=(ssize_t) (length*bytes_per_pixel+1);
529 }
530 else
531 {
532 length=(size_t) (((scanline[j] ^ 0xff) & 0xff)+2);
533 number_pixels=bytes_per_pixel;
534 p=ExpandBuffer(scanline+j+1,bits_per_pixel,&number_pixels);
535 for (i=0; i < (ssize_t) length; i++)
536 {
537 if ((q-pixels+number_pixels) <= *extent)
538 (void) memcpy(q,p,(size_t) number_pixels);
539 q+=number_pixels;
540 }
541 j+=(ssize_t) bytes_per_pixel+1;
542 }
543 }
544 scanline=(unsigned char *) RelinquishMagickMemory(scanline);
545 if (status == MagickFalse)
546 pixels=(unsigned char *) RelinquishMagickMemory(pixels);
547 return(pixels);
548 }
549
550 /*
551 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
552 % %
553 % %
554 % %
555 % E n c o d e I m a g e %
556 % %
557 % %
558 % %
559 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
560 %
561 % EncodeImage compresses an image via Macintosh pack bits encoding
562 % for Macintosh PICT images.
563 %
564 % The format of the EncodeImage method is:
565 %
566 % size_t EncodeImage(Image *image,const unsigned char *scanline,
567 % const size_t bytes_per_line,unsigned char *pixels)
568 %
569 % A description of each parameter follows:
570 %
571 % o image: the address of a structure of type Image.
572 %
573 % o scanline: A pointer to an array of characters to pack.
574 %
575 % o bytes_per_line: the number of bytes in a scanline.
576 %
577 % o pixels: A pointer to an array of characters where the packed
578 % characters are stored.
579 %
580 */
EncodeImage(Image * image,const unsigned char * scanline,const size_t bytes_per_line,unsigned char * pixels)581 static size_t EncodeImage(Image *image,const unsigned char *scanline,
582 const size_t bytes_per_line,unsigned char *pixels)
583 {
584 #define MaxCount 128
585 #define MaxPackbitsRunlength 128
586
587 register const unsigned char
588 *p;
589
590 register ssize_t
591 i;
592
593 register unsigned char
594 *q;
595
596 size_t
597 length;
598
599 ssize_t
600 count,
601 repeat_count,
602 runlength;
603
604 unsigned char
605 index;
606
607 /*
608 Pack scanline.
609 */
610 assert(image != (Image *) NULL);
611 assert(image->signature == MagickCoreSignature);
612 if (image->debug != MagickFalse)
613 (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
614 assert(scanline != (unsigned char *) NULL);
615 assert(pixels != (unsigned char *) NULL);
616 count=0;
617 runlength=0;
618 p=scanline+(bytes_per_line-1);
619 q=pixels;
620 index=(*p);
621 for (i=(ssize_t) bytes_per_line-1; i >= 0; i--)
622 {
623 if (index == *p)
624 runlength++;
625 else
626 {
627 if (runlength < 3)
628 while (runlength > 0)
629 {
630 *q++=(unsigned char) index;
631 runlength--;
632 count++;
633 if (count == MaxCount)
634 {
635 *q++=(unsigned char) (MaxCount-1);
636 count-=MaxCount;
637 }
638 }
639 else
640 {
641 if (count > 0)
642 *q++=(unsigned char) (count-1);
643 count=0;
644 while (runlength > 0)
645 {
646 repeat_count=runlength;
647 if (repeat_count > MaxPackbitsRunlength)
648 repeat_count=MaxPackbitsRunlength;
649 *q++=(unsigned char) index;
650 *q++=(unsigned char) (257-repeat_count);
651 runlength-=repeat_count;
652 }
653 }
654 runlength=1;
655 }
656 index=(*p);
657 p--;
658 }
659 if (runlength < 3)
660 while (runlength > 0)
661 {
662 *q++=(unsigned char) index;
663 runlength--;
664 count++;
665 if (count == MaxCount)
666 {
667 *q++=(unsigned char) (MaxCount-1);
668 count-=MaxCount;
669 }
670 }
671 else
672 {
673 if (count > 0)
674 *q++=(unsigned char) (count-1);
675 count=0;
676 while (runlength > 0)
677 {
678 repeat_count=runlength;
679 if (repeat_count > MaxPackbitsRunlength)
680 repeat_count=MaxPackbitsRunlength;
681 *q++=(unsigned char) index;
682 *q++=(unsigned char) (257-repeat_count);
683 runlength-=repeat_count;
684 }
685 }
686 if (count > 0)
687 *q++=(unsigned char) (count-1);
688 /*
689 Write the number of and the packed length.
690 */
691 length=(size_t) (q-pixels);
692 if (bytes_per_line > 200)
693 {
694 (void) WriteBlobMSBShort(image,(unsigned short) length);
695 length+=2;
696 }
697 else
698 {
699 (void) WriteBlobByte(image,(unsigned char) length);
700 length++;
701 }
702 while (q != pixels)
703 {
704 q--;
705 (void) WriteBlobByte(image,*q);
706 }
707 return(length);
708 }
709
710 /*
711 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
712 % %
713 % %
714 % %
715 % I s P I C T %
716 % %
717 % %
718 % %
719 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
720 %
721 % IsPICT()() returns MagickTrue if the image format type, identified by the
722 % magick string, is PICT.
723 %
724 % The format of the ReadPICTImage method is:
725 %
726 % MagickBooleanType IsPICT(const unsigned char *magick,const size_t length)
727 %
728 % A description of each parameter follows:
729 %
730 % o magick: compare image format pattern against these bytes.
731 %
732 % o length: Specifies the length of the magick string.
733 %
734 */
IsPICT(const unsigned char * magick,const size_t length)735 static MagickBooleanType IsPICT(const unsigned char *magick,const size_t length)
736 {
737 if (length < 12)
738 return(MagickFalse);
739 /*
740 Embedded OLE2 macintosh have "PICT" instead of 512 platform header.
741 */
742 if (memcmp(magick,"PICT",4) == 0)
743 return(MagickTrue);
744 if (length < 528)
745 return(MagickFalse);
746 if (memcmp(magick+522,"\000\021\002\377\014\000",6) == 0)
747 return(MagickTrue);
748 return(MagickFalse);
749 }
750
751 #if !defined(macintosh)
752 /*
753 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
754 % %
755 % %
756 % %
757 % R e a d P I C T I m a g e %
758 % %
759 % %
760 % %
761 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
762 %
763 % ReadPICTImage() reads an Apple Macintosh QuickDraw/PICT image file
764 % and returns it. It allocates the memory necessary for the new Image
765 % structure and returns a pointer to the new image.
766 %
767 % The format of the ReadPICTImage method is:
768 %
769 % Image *ReadPICTImage(const ImageInfo *image_info,
770 % ExceptionInfo *exception)
771 %
772 % A description of each parameter follows:
773 %
774 % o image_info: the image info.
775 %
776 % o exception: return any errors or warnings in this structure.
777 %
778 */
779
ReadPixmap(Image * image,PICTPixmap * pixmap)780 static MagickBooleanType ReadPixmap(Image *image,PICTPixmap *pixmap)
781 {
782 pixmap->version=(short) ReadBlobMSBShort(image);
783 pixmap->pack_type=(short) ReadBlobMSBShort(image);
784 pixmap->pack_size=ReadBlobMSBLong(image);
785 pixmap->horizontal_resolution=1UL*ReadBlobMSBShort(image);
786 (void) ReadBlobMSBShort(image);
787 pixmap->vertical_resolution=1UL*ReadBlobMSBShort(image);
788 (void) ReadBlobMSBShort(image);
789 pixmap->pixel_type=(short) ReadBlobMSBShort(image);
790 pixmap->bits_per_pixel=(short) ReadBlobMSBShort(image);
791 pixmap->component_count=(short) ReadBlobMSBShort(image);
792 pixmap->component_size=(short) ReadBlobMSBShort(image);
793 pixmap->plane_bytes=ReadBlobMSBLong(image);
794 pixmap->table=ReadBlobMSBLong(image);
795 pixmap->reserved=ReadBlobMSBLong(image);
796 if ((EOFBlob(image) != MagickFalse) || (pixmap->bits_per_pixel <= 0) ||
797 (pixmap->bits_per_pixel > 32) || (pixmap->component_count <= 0) ||
798 (pixmap->component_count > 4) || (pixmap->component_size <= 0))
799 return(MagickFalse);
800 return(MagickTrue);
801 }
802
ReadRectangle(Image * image,PICTRectangle * rectangle)803 static MagickBooleanType ReadRectangle(Image *image,PICTRectangle *rectangle)
804 {
805 rectangle->top=(short) ReadBlobMSBShort(image);
806 rectangle->left=(short) ReadBlobMSBShort(image);
807 rectangle->bottom=(short) ReadBlobMSBShort(image);
808 rectangle->right=(short) ReadBlobMSBShort(image);
809 if ((EOFBlob(image) != MagickFalse) ||
810 ((rectangle->bottom-rectangle->top) <= 0) ||
811 ((rectangle->right-rectangle->left) <= 0))
812 return(MagickFalse);
813 return(MagickTrue);
814 }
815
ReadPICTImage(const ImageInfo * image_info,ExceptionInfo * exception)816 static Image *ReadPICTImage(const ImageInfo *image_info,
817 ExceptionInfo *exception)
818 {
819 #define ThrowPICTException(exception,message) \
820 { \
821 if (tile_image != (Image *) NULL) \
822 tile_image=DestroyImage(tile_image); \
823 if (read_info != (ImageInfo *) NULL) \
824 read_info=DestroyImageInfo(read_info); \
825 ThrowReaderException((exception),(message)); \
826 }
827
828 char
829 geometry[MagickPathExtent],
830 header_ole[4];
831
832 Image
833 *image,
834 *tile_image;
835
836 ImageInfo
837 *read_info;
838
839 int
840 c,
841 code;
842
843 MagickBooleanType
844 jpeg,
845 status;
846
847 PICTRectangle
848 frame;
849
850 PICTPixmap
851 pixmap;
852
853 Quantum
854 index;
855
856 register Quantum
857 *q;
858
859 register ssize_t
860 i,
861 x;
862
863 size_t
864 extent,
865 length;
866
867 ssize_t
868 count,
869 flags,
870 j,
871 version,
872 y;
873
874 StringInfo
875 *profile;
876
877 /*
878 Open image file.
879 */
880 assert(image_info != (const ImageInfo *) NULL);
881 assert(image_info->signature == MagickCoreSignature);
882 if (image_info->debug != MagickFalse)
883 (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",
884 image_info->filename);
885 assert(exception != (ExceptionInfo *) NULL);
886 assert(exception->signature == MagickCoreSignature);
887 image=AcquireImage(image_info,exception);
888 status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception);
889 if (status == MagickFalse)
890 {
891 image=DestroyImageList(image);
892 return((Image *) NULL);
893 }
894 /*
895 Read PICT header.
896 */
897 read_info=(ImageInfo *) NULL;
898 tile_image=(Image *) NULL;
899 pixmap.bits_per_pixel=0;
900 pixmap.component_count=0;
901 /*
902 Skip header : 512 for standard PICT and 4, ie "PICT" for OLE2.
903 */
904 header_ole[0]=ReadBlobByte(image);
905 header_ole[1]=ReadBlobByte(image);
906 header_ole[2]=ReadBlobByte(image);
907 header_ole[3]=ReadBlobByte(image);
908 if (!((header_ole[0] == 0x50) && (header_ole[1] == 0x49) &&
909 (header_ole[2] == 0x43) && (header_ole[3] == 0x54 )))
910 for (i=0; i < 508; i++)
911 if (ReadBlobByte(image) == EOF)
912 break;
913 (void) ReadBlobMSBShort(image); /* skip picture size */
914 if (ReadRectangle(image,&frame) == MagickFalse)
915 ThrowPICTException(CorruptImageError,"ImproperImageHeader");
916 while ((c=ReadBlobByte(image)) == 0) ;
917 if (c != 0x11)
918 ThrowPICTException(CorruptImageError,"ImproperImageHeader");
919 version=(ssize_t) ReadBlobByte(image);
920 if (version == 2)
921 {
922 c=ReadBlobByte(image);
923 if (c != 0xff)
924 ThrowPICTException(CorruptImageError,"ImproperImageHeader");
925 }
926 else
927 if (version != 1)
928 ThrowPICTException(CorruptImageError,"ImproperImageHeader");
929 if ((frame.left < 0) || (frame.right < 0) || (frame.top < 0) ||
930 (frame.bottom < 0) || (frame.left >= frame.right) ||
931 (frame.top >= frame.bottom))
932 ThrowPICTException(CorruptImageError,"ImproperImageHeader");
933 /*
934 Create black canvas.
935 */
936 flags=0;
937 image->depth=8;
938 image->columns=(size_t) (frame.right-frame.left);
939 image->rows=(size_t) (frame.bottom-frame.top);
940 image->resolution.x=DefaultResolution;
941 image->resolution.y=DefaultResolution;
942 image->units=UndefinedResolution;
943 if ((image_info->ping != MagickFalse) && (image_info->number_scenes != 0))
944 if (image->scene >= (image_info->scene+image_info->number_scenes-1))
945 {
946 (void) CloseBlob(image);
947 return(GetFirstImageInList(image));
948 }
949 status=SetImageExtent(image,image->columns,image->rows,exception);
950 if (status != MagickFalse)
951 status=ResetImagePixels(image,exception);
952 if (status == MagickFalse)
953 return(DestroyImageList(image));
954 /*
955 Interpret PICT opcodes.
956 */
957 jpeg=MagickFalse;
958 for (code=0; EOFBlob(image) == MagickFalse; )
959 {
960 if ((image_info->ping != MagickFalse) && (image_info->number_scenes != 0))
961 if (image->scene >= (image_info->scene+image_info->number_scenes-1))
962 break;
963 if ((version == 1) || ((TellBlob(image) % 2) != 0))
964 code=ReadBlobByte(image);
965 if (version == 2)
966 code=ReadBlobMSBSignedShort(image);
967 if (code < 0)
968 break;
969 if (code == 0)
970 continue;
971 if (code > 0xa1)
972 {
973 if (image->debug != MagickFalse)
974 (void) LogMagickEvent(CoderEvent,GetMagickModule(),"%04X:",code);
975 }
976 else
977 {
978 if (image->debug != MagickFalse)
979 (void) LogMagickEvent(CoderEvent,GetMagickModule(),
980 " %04X %s: %s",code,codes[code].name,codes[code].description);
981 switch (code)
982 {
983 case 0x01:
984 {
985 /*
986 Clipping rectangle.
987 */
988 length=ReadBlobMSBShort(image);
989 if ((MagickSizeType) length > GetBlobSize(image))
990 ThrowPICTException(CorruptImageError,
991 "InsufficientImageDataInFile");
992 if (length != 0x000a)
993 {
994 for (i=0; i < (ssize_t) (length-2); i++)
995 if (ReadBlobByte(image) == EOF)
996 break;
997 break;
998 }
999 if (ReadRectangle(image,&frame) == MagickFalse)
1000 ThrowPICTException(CorruptImageError,"ImproperImageHeader");
1001 if (((frame.left & 0x8000) != 0) || ((frame.top & 0x8000) != 0))
1002 break;
1003 image->columns=(size_t) (frame.right-frame.left);
1004 image->rows=(size_t) (frame.bottom-frame.top);
1005 status=SetImageExtent(image,image->columns,image->rows,exception);
1006 if (status != MagickFalse)
1007 status=ResetImagePixels(image,exception);
1008 if (status == MagickFalse)
1009 return(DestroyImageList(image));
1010 break;
1011 }
1012 case 0x12:
1013 case 0x13:
1014 case 0x14:
1015 {
1016 ssize_t
1017 pattern;
1018
1019 size_t
1020 height,
1021 width;
1022
1023 /*
1024 Skip pattern definition.
1025 */
1026 pattern=(ssize_t) ReadBlobMSBShort(image);
1027 for (i=0; i < 8; i++)
1028 if (ReadBlobByte(image) == EOF)
1029 break;
1030 if (pattern == 2)
1031 {
1032 for (i=0; i < 5; i++)
1033 if (ReadBlobByte(image) == EOF)
1034 break;
1035 break;
1036 }
1037 if (pattern != 1)
1038 ThrowPICTException(CorruptImageError,"UnknownPatternType");
1039 length=ReadBlobMSBShort(image);
1040 if ((MagickSizeType) length > GetBlobSize(image))
1041 ThrowPICTException(CorruptImageError,
1042 "InsufficientImageDataInFile");
1043 if (ReadRectangle(image,&frame) == MagickFalse)
1044 ThrowPICTException(CorruptImageError,"ImproperImageHeader");
1045 if (ReadPixmap(image,&pixmap) == MagickFalse)
1046 ThrowPICTException(CorruptImageError,"ImproperImageHeader");
1047 image->depth=(size_t) pixmap.component_size;
1048 image->resolution.x=1.0*pixmap.horizontal_resolution;
1049 image->resolution.y=1.0*pixmap.vertical_resolution;
1050 image->units=PixelsPerInchResolution;
1051 (void) ReadBlobMSBLong(image);
1052 flags=(ssize_t) ReadBlobMSBShort(image);
1053 length=ReadBlobMSBShort(image);
1054 if ((MagickSizeType) length > GetBlobSize(image))
1055 ThrowPICTException(CorruptImageError,
1056 "InsufficientImageDataInFile");
1057 for (i=0; i <= (ssize_t) length; i++)
1058 (void) ReadBlobMSBLong(image);
1059 width=(size_t) (frame.bottom-frame.top);
1060 height=(size_t) (frame.right-frame.left);
1061 if (pixmap.bits_per_pixel <= 8)
1062 length&=0x7fff;
1063 if (pixmap.bits_per_pixel == 16)
1064 width<<=1;
1065 if (length == 0)
1066 length=width;
1067 if (length < 8)
1068 {
1069 for (i=0; i < (ssize_t) (length*height); i++)
1070 if (ReadBlobByte(image) == EOF)
1071 break;
1072 }
1073 else
1074 for (i=0; i < (ssize_t) height; i++)
1075 {
1076 if (EOFBlob(image) != MagickFalse)
1077 break;
1078 if (length > 200)
1079 {
1080 for (j=0; j < (ssize_t) ReadBlobMSBShort(image); j++)
1081 if (ReadBlobByte(image) == EOF)
1082 break;
1083 }
1084 else
1085 for (j=0; j < (ssize_t) ReadBlobByte(image); j++)
1086 if (ReadBlobByte(image) == EOF)
1087 break;
1088 }
1089 break;
1090 }
1091 case 0x1b:
1092 {
1093 /*
1094 Initialize image background color.
1095 */
1096 image->background_color.red=(Quantum)
1097 ScaleShortToQuantum(ReadBlobMSBShort(image));
1098 image->background_color.green=(Quantum)
1099 ScaleShortToQuantum(ReadBlobMSBShort(image));
1100 image->background_color.blue=(Quantum)
1101 ScaleShortToQuantum(ReadBlobMSBShort(image));
1102 break;
1103 }
1104 case 0x70:
1105 case 0x71:
1106 case 0x72:
1107 case 0x73:
1108 case 0x74:
1109 case 0x75:
1110 case 0x76:
1111 case 0x77:
1112 {
1113 /*
1114 Skip polygon or region.
1115 */
1116 length=ReadBlobMSBShort(image);
1117 if ((MagickSizeType) length > GetBlobSize(image))
1118 ThrowPICTException(CorruptImageError,
1119 "InsufficientImageDataInFile");
1120 for (i=0; i < (ssize_t) (length-2); i++)
1121 if (ReadBlobByte(image) == EOF)
1122 break;
1123 break;
1124 }
1125 case 0x90:
1126 case 0x91:
1127 case 0x98:
1128 case 0x99:
1129 case 0x9a:
1130 case 0x9b:
1131 {
1132 PICTRectangle
1133 source,
1134 destination;
1135
1136 register unsigned char
1137 *p;
1138
1139 size_t
1140 j;
1141
1142 ssize_t
1143 bytes_per_line;
1144
1145 unsigned char
1146 *pixels;
1147
1148 /*
1149 Pixmap clipped by a rectangle.
1150 */
1151 bytes_per_line=0;
1152 if ((code != 0x9a) && (code != 0x9b))
1153 bytes_per_line=(ssize_t) ReadBlobMSBShort(image);
1154 else
1155 {
1156 (void) ReadBlobMSBShort(image);
1157 (void) ReadBlobMSBShort(image);
1158 (void) ReadBlobMSBShort(image);
1159 }
1160 if (ReadRectangle(image,&frame) == MagickFalse)
1161 ThrowPICTException(CorruptImageError,"ImproperImageHeader");
1162 /*
1163 Initialize tile image.
1164 */
1165 tile_image=CloneImage(image,(size_t) (frame.right-frame.left),
1166 (size_t) (frame.bottom-frame.top),MagickTrue,exception);
1167 if (tile_image == (Image *) NULL)
1168 ThrowPICTException(CorruptImageError,"ImproperImageHeader");
1169 if ((code == 0x9a) || (code == 0x9b) ||
1170 ((bytes_per_line & 0x8000) != 0))
1171 {
1172 if (ReadPixmap(image,&pixmap) == MagickFalse)
1173 ThrowPICTException(CorruptImageError,"ImproperImageHeader");
1174 tile_image->depth=(size_t) pixmap.component_size;
1175 tile_image->alpha_trait=pixmap.component_count == 4 ?
1176 BlendPixelTrait : UndefinedPixelTrait;
1177 tile_image->resolution.x=(double) pixmap.horizontal_resolution;
1178 tile_image->resolution.y=(double) pixmap.vertical_resolution;
1179 tile_image->units=PixelsPerInchResolution;
1180 if (tile_image->alpha_trait != UndefinedPixelTrait)
1181 (void) SetImageAlpha(tile_image,OpaqueAlpha,exception);
1182 }
1183 if ((code != 0x9a) && (code != 0x9b))
1184 {
1185 /*
1186 Initialize colormap.
1187 */
1188 tile_image->colors=2;
1189 if ((bytes_per_line & 0x8000) != 0)
1190 {
1191 (void) ReadBlobMSBLong(image);
1192 flags=(ssize_t) ReadBlobMSBShort(image);
1193 tile_image->colors=1UL*ReadBlobMSBShort(image)+1;
1194 }
1195 status=AcquireImageColormap(tile_image,tile_image->colors,
1196 exception);
1197 if (status == MagickFalse)
1198 ThrowPICTException(ResourceLimitError,
1199 "MemoryAllocationFailed");
1200 if ((bytes_per_line & 0x8000) != 0)
1201 {
1202 for (i=0; i < (ssize_t) tile_image->colors; i++)
1203 {
1204 j=ReadBlobMSBShort(image) % tile_image->colors;
1205 if ((flags & 0x8000) != 0)
1206 j=(size_t) i;
1207 tile_image->colormap[j].red=(Quantum)
1208 ScaleShortToQuantum(ReadBlobMSBShort(image));
1209 tile_image->colormap[j].green=(Quantum)
1210 ScaleShortToQuantum(ReadBlobMSBShort(image));
1211 tile_image->colormap[j].blue=(Quantum)
1212 ScaleShortToQuantum(ReadBlobMSBShort(image));
1213 }
1214 }
1215 else
1216 {
1217 for (i=0; i < (ssize_t) tile_image->colors; i++)
1218 {
1219 tile_image->colormap[i].red=(Quantum) (QuantumRange-
1220 tile_image->colormap[i].red);
1221 tile_image->colormap[i].green=(Quantum) (QuantumRange-
1222 tile_image->colormap[i].green);
1223 tile_image->colormap[i].blue=(Quantum) (QuantumRange-
1224 tile_image->colormap[i].blue);
1225 }
1226 }
1227 }
1228 if (EOFBlob(image) != MagickFalse)
1229 ThrowPICTException(CorruptImageError,
1230 "InsufficientImageDataInFile");
1231 if (ReadRectangle(image,&source) == MagickFalse)
1232 ThrowPICTException(CorruptImageError,"ImproperImageHeader");
1233 if (ReadRectangle(image,&destination) == MagickFalse)
1234 ThrowPICTException(CorruptImageError,"ImproperImageHeader");
1235 (void) ReadBlobMSBShort(image);
1236 if ((code == 0x91) || (code == 0x99) || (code == 0x9b))
1237 {
1238 /*
1239 Skip region.
1240 */
1241 length=ReadBlobMSBShort(image);
1242 if ((MagickSizeType) length > GetBlobSize(image))
1243 ThrowPICTException(CorruptImageError,
1244 "InsufficientImageDataInFile");
1245 for (i=0; i < (ssize_t) (length-2); i++)
1246 if (ReadBlobByte(image) == EOF)
1247 break;
1248 }
1249 if ((code != 0x9a) && (code != 0x9b) &&
1250 (bytes_per_line & 0x8000) == 0)
1251 pixels=DecodeImage(image,tile_image,(size_t) bytes_per_line,1,
1252 &extent);
1253 else
1254 pixels=DecodeImage(image,tile_image,(size_t) bytes_per_line,
1255 (unsigned int) pixmap.bits_per_pixel,&extent);
1256 if (pixels == (unsigned char *) NULL)
1257 ThrowPICTException(CorruptImageError,"UnableToUncompressImage");
1258 /*
1259 Convert PICT tile image to pixel packets.
1260 */
1261 p=pixels;
1262 for (y=0; y < (ssize_t) tile_image->rows; y++)
1263 {
1264 if (p > (pixels+extent+image->columns))
1265 {
1266 pixels=(unsigned char *) RelinquishMagickMemory(pixels);
1267 ThrowPICTException(CorruptImageError,"NotEnoughPixelData");
1268 }
1269 q=QueueAuthenticPixels(tile_image,0,y,tile_image->columns,1,
1270 exception);
1271 if (q == (Quantum *) NULL)
1272 break;
1273 for (x=0; x < (ssize_t) tile_image->columns; x++)
1274 {
1275 if (tile_image->storage_class == PseudoClass)
1276 {
1277 index=(Quantum) ConstrainColormapIndex(tile_image,(ssize_t)
1278 *p,exception);
1279 SetPixelIndex(tile_image,index,q);
1280 SetPixelRed(tile_image,
1281 tile_image->colormap[(ssize_t) index].red,q);
1282 SetPixelGreen(tile_image,
1283 tile_image->colormap[(ssize_t) index].green,q);
1284 SetPixelBlue(tile_image,
1285 tile_image->colormap[(ssize_t) index].blue,q);
1286 }
1287 else
1288 {
1289 if (pixmap.bits_per_pixel == 16)
1290 {
1291 i=(ssize_t) (*p++);
1292 j=(size_t) (*p);
1293 SetPixelRed(tile_image,ScaleCharToQuantum(
1294 (unsigned char) ((i & 0x7c) << 1)),q);
1295 SetPixelGreen(tile_image,ScaleCharToQuantum(
1296 (unsigned char) (((i & 0x03) << 6) |
1297 ((j & 0xe0) >> 2))),q);
1298 SetPixelBlue(tile_image,ScaleCharToQuantum(
1299 (unsigned char) ((j & 0x1f) << 3)),q);
1300 }
1301 else
1302 if (tile_image->alpha_trait == UndefinedPixelTrait)
1303 {
1304 if (p > (pixels+extent+2*image->columns))
1305 ThrowPICTException(CorruptImageError,
1306 "NotEnoughPixelData");
1307 SetPixelRed(tile_image,ScaleCharToQuantum(*p),q);
1308 SetPixelGreen(tile_image,ScaleCharToQuantum(
1309 *(p+tile_image->columns)),q);
1310 SetPixelBlue(tile_image,ScaleCharToQuantum(
1311 *(p+2*tile_image->columns)),q);
1312 }
1313 else
1314 {
1315 if (p > (pixels+extent+3*image->columns))
1316 ThrowPICTException(CorruptImageError,
1317 "NotEnoughPixelData");
1318 SetPixelAlpha(tile_image,ScaleCharToQuantum(*p),q);
1319 SetPixelRed(tile_image,ScaleCharToQuantum(
1320 *(p+tile_image->columns)),q);
1321 SetPixelGreen(tile_image,ScaleCharToQuantum(
1322 *(p+2*tile_image->columns)),q);
1323 SetPixelBlue(tile_image,ScaleCharToQuantum(
1324 *(p+3*tile_image->columns)),q);
1325 }
1326 }
1327 p++;
1328 q+=GetPixelChannels(tile_image);
1329 }
1330 if (SyncAuthenticPixels(tile_image,exception) == MagickFalse)
1331 break;
1332 if ((tile_image->storage_class == DirectClass) &&
1333 (pixmap.bits_per_pixel != 16))
1334 {
1335 p+=(pixmap.component_count-1)*tile_image->columns;
1336 if (p < pixels)
1337 break;
1338 }
1339 status=SetImageProgress(image,LoadImageTag,(MagickOffsetType) y,
1340 tile_image->rows);
1341 if (status == MagickFalse)
1342 break;
1343 }
1344 pixels=(unsigned char *) RelinquishMagickMemory(pixels);
1345 if ((jpeg == MagickFalse) && (EOFBlob(image) == MagickFalse))
1346 if ((code == 0x9a) || (code == 0x9b) ||
1347 ((bytes_per_line & 0x8000) != 0))
1348 (void) CompositeImage(image,tile_image,CopyCompositeOp,
1349 MagickTrue,(ssize_t) destination.left,(ssize_t)
1350 destination.top,exception);
1351 tile_image=DestroyImage(tile_image);
1352 break;
1353 }
1354 case 0xa1:
1355 {
1356 unsigned char
1357 *info;
1358
1359 size_t
1360 type;
1361
1362 /*
1363 Comment.
1364 */
1365 type=ReadBlobMSBShort(image);
1366 length=ReadBlobMSBShort(image);
1367 if ((MagickSizeType) length > GetBlobSize(image))
1368 ThrowPICTException(CorruptImageError,
1369 "InsufficientImageDataInFile");
1370 if (length == 0)
1371 break;
1372 (void) ReadBlobMSBLong(image);
1373 length-=MagickMin(length,4);
1374 if (length == 0)
1375 break;
1376 info=(unsigned char *) AcquireQuantumMemory(length,sizeof(*info));
1377 if (info == (unsigned char *) NULL)
1378 break;
1379 count=ReadBlob(image,length,info);
1380 if (count != (ssize_t) length)
1381 {
1382 info=(unsigned char *) RelinquishMagickMemory(info);
1383 ThrowPICTException(ResourceLimitError,"UnableToReadImageData");
1384 }
1385 switch (type)
1386 {
1387 case 0xe0:
1388 {
1389 profile=BlobToStringInfo((const void *) NULL,length);
1390 SetStringInfoDatum(profile,info);
1391 status=SetImageProfile(image,"icc",profile,exception);
1392 profile=DestroyStringInfo(profile);
1393 if (status == MagickFalse)
1394 {
1395 info=(unsigned char *) RelinquishMagickMemory(info);
1396 ThrowPICTException(ResourceLimitError,
1397 "MemoryAllocationFailed");
1398 }
1399 break;
1400 }
1401 case 0x1f2:
1402 {
1403 profile=BlobToStringInfo((const void *) NULL,length);
1404 SetStringInfoDatum(profile,info);
1405 status=SetImageProfile(image,"iptc",profile,exception);
1406 if (status == MagickFalse)
1407 {
1408 info=(unsigned char *) RelinquishMagickMemory(info);
1409 ThrowPICTException(ResourceLimitError,
1410 "MemoryAllocationFailed");
1411 }
1412 profile=DestroyStringInfo(profile);
1413 break;
1414 }
1415 default:
1416 break;
1417 }
1418 info=(unsigned char *) RelinquishMagickMemory(info);
1419 break;
1420 }
1421 default:
1422 {
1423 /*
1424 Skip to next op code.
1425 */
1426 if (codes[code].length == -1)
1427 (void) ReadBlobMSBShort(image);
1428 else
1429 for (i=0; i < (ssize_t) codes[code].length; i++)
1430 if (ReadBlobByte(image) == EOF)
1431 break;
1432 }
1433 }
1434 }
1435 if (code == 0xc00)
1436 {
1437 /*
1438 Skip header.
1439 */
1440 for (i=0; i < 24; i++)
1441 if (ReadBlobByte(image) == EOF)
1442 break;
1443 continue;
1444 }
1445 if (((code >= 0xb0) && (code <= 0xcf)) ||
1446 ((code >= 0x8000) && (code <= 0x80ff)))
1447 continue;
1448 if (code == 0x8200)
1449 {
1450 char
1451 filename[MaxTextExtent];
1452
1453 FILE
1454 *file;
1455
1456 int
1457 unique_file;
1458
1459 /*
1460 Embedded JPEG.
1461 */
1462 jpeg=MagickTrue;
1463 read_info=CloneImageInfo(image_info);
1464 SetImageInfoBlob(read_info,(void *) NULL,0);
1465 file=(FILE *) NULL;
1466 unique_file=AcquireUniqueFileResource(filename);
1467 (void) FormatLocaleString(read_info->filename,MaxTextExtent,"jpeg:%s",
1468 filename);
1469 if (unique_file != -1)
1470 file=fdopen(unique_file,"wb");
1471 if ((unique_file == -1) || (file == (FILE *) NULL))
1472 {
1473 (void) RelinquishUniqueFileResource(read_info->filename);
1474 (void) CopyMagickString(image->filename,read_info->filename,
1475 MagickPathExtent);
1476 ThrowPICTException(FileOpenError,"UnableToCreateTemporaryFile");
1477 }
1478 length=ReadBlobMSBLong(image);
1479 if ((MagickSizeType) length > GetBlobSize(image))
1480 ThrowPICTException(CorruptImageError,
1481 "InsufficientImageDataInFile");
1482 if (length > 154)
1483 {
1484 for (i=0; i < 6; i++)
1485 (void) ReadBlobMSBLong(image);
1486 if (ReadRectangle(image,&frame) == MagickFalse)
1487 {
1488 (void) fclose(file);
1489 (void) RelinquishUniqueFileResource(read_info->filename);
1490 ThrowPICTException(CorruptImageError,"ImproperImageHeader");
1491 }
1492 for (i=0; i < 122; i++)
1493 if (ReadBlobByte(image) == EOF)
1494 break;
1495 for (i=0; i < (ssize_t) (length-154); i++)
1496 {
1497 c=ReadBlobByte(image);
1498 if (c == EOF)
1499 break;
1500 if (fputc(c,file) != c)
1501 break;
1502 }
1503 }
1504 (void) fclose(file);
1505 (void) close(unique_file);
1506 tile_image=ReadImage(read_info,exception);
1507 (void) RelinquishUniqueFileResource(filename);
1508 read_info=DestroyImageInfo(read_info);
1509 if (tile_image == (Image *) NULL)
1510 continue;
1511 (void) FormatLocaleString(geometry,MagickPathExtent,"%.20gx%.20g",
1512 (double) MagickMax(image->columns,tile_image->columns),
1513 (double) MagickMax(image->rows,tile_image->rows));
1514 (void) SetImageExtent(image,
1515 MagickMax(image->columns,tile_image->columns),
1516 MagickMax(image->rows,tile_image->rows),exception);
1517 (void) TransformImageColorspace(image,tile_image->colorspace,exception);
1518 (void) CompositeImage(image,tile_image,CopyCompositeOp,MagickTrue,
1519 (ssize_t) frame.left,(ssize_t) frame.right,exception);
1520 image->compression=tile_image->compression;
1521 tile_image=DestroyImage(tile_image);
1522 continue;
1523 }
1524 if ((code == 0xff) || (code == 0xffff))
1525 break;
1526 if (((code >= 0xd0) && (code <= 0xfe)) ||
1527 ((code >= 0x8100) && (code <= 0xffff)))
1528 {
1529 /*
1530 Skip reserved.
1531 */
1532 length=ReadBlobMSBShort(image);
1533 if ((MagickSizeType) length > GetBlobSize(image))
1534 ThrowPICTException(CorruptImageError,
1535 "InsufficientImageDataInFile");
1536 for (i=0; i < (ssize_t) length; i++)
1537 if (ReadBlobByte(image) == EOF)
1538 break;
1539 continue;
1540 }
1541 if ((code >= 0x100) && (code <= 0x7fff))
1542 {
1543 /*
1544 Skip reserved.
1545 */
1546 length=(size_t) ((code >> 7) & 0xff);
1547 if ((MagickSizeType) length > GetBlobSize(image))
1548 ThrowPICTException(CorruptImageError,
1549 "InsufficientImageDataInFile");
1550 for (i=0; i < (ssize_t) length; i++)
1551 if (ReadBlobByte(image) == EOF)
1552 break;
1553 continue;
1554 }
1555 }
1556 (void) CloseBlob(image);
1557 return(GetFirstImageInList(image));
1558 }
1559 #endif
1560
1561 /*
1562 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1563 % %
1564 % %
1565 % %
1566 % R e g i s t e r P I C T I m a g e %
1567 % %
1568 % %
1569 % %
1570 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1571 %
1572 % RegisterPICTImage() adds attributes for the PICT image format to
1573 % the list of supported formats. The attributes include the image format
1574 % tag, a method to read and/or write the format, whether the format
1575 % supports the saving of more than one frame to the same file or blob,
1576 % whether the format supports native in-memory I/O, and a brief
1577 % description of the format.
1578 %
1579 % The format of the RegisterPICTImage method is:
1580 %
1581 % size_t RegisterPICTImage(void)
1582 %
1583 */
RegisterPICTImage(void)1584 ModuleExport size_t RegisterPICTImage(void)
1585 {
1586 MagickInfo
1587 *entry;
1588
1589 entry=AcquireMagickInfo("PICT","PCT","Apple Macintosh QuickDraw/PICT");
1590 entry->decoder=(DecodeImageHandler *) ReadPICTImage;
1591 entry->encoder=(EncodeImageHandler *) WritePICTImage;
1592 entry->flags^=CoderAdjoinFlag;
1593 entry->flags|=CoderEncoderSeekableStreamFlag;
1594 entry->magick=(IsImageFormatHandler *) IsPICT;
1595 (void) RegisterMagickInfo(entry);
1596 entry=AcquireMagickInfo("PICT","PICT","Apple Macintosh QuickDraw/PICT");
1597 entry->decoder=(DecodeImageHandler *) ReadPICTImage;
1598 entry->encoder=(EncodeImageHandler *) WritePICTImage;
1599 entry->flags^=CoderAdjoinFlag;
1600 entry->flags|=CoderEncoderSeekableStreamFlag;
1601 entry->magick=(IsImageFormatHandler *) IsPICT;
1602 (void) RegisterMagickInfo(entry);
1603 return(MagickImageCoderSignature);
1604 }
1605
1606 /*
1607 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1608 % %
1609 % %
1610 % %
1611 % U n r e g i s t e r P I C T I m a g e %
1612 % %
1613 % %
1614 % %
1615 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1616 %
1617 % UnregisterPICTImage() removes format registrations made by the
1618 % PICT module from the list of supported formats.
1619 %
1620 % The format of the UnregisterPICTImage method is:
1621 %
1622 % UnregisterPICTImage(void)
1623 %
1624 */
UnregisterPICTImage(void)1625 ModuleExport void UnregisterPICTImage(void)
1626 {
1627 (void) UnregisterMagickInfo("PCT");
1628 (void) UnregisterMagickInfo("PICT");
1629 }
1630
1631 /*
1632 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1633 % %
1634 % %
1635 % %
1636 % W r i t e P I C T I m a g e %
1637 % %
1638 % %
1639 % %
1640 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1641 %
1642 % WritePICTImage() writes an image to a file in the Apple Macintosh
1643 % QuickDraw/PICT image format.
1644 %
1645 % The format of the WritePICTImage method is:
1646 %
1647 % MagickBooleanType WritePICTImage(const ImageInfo *image_info,
1648 % Image *image,ExceptionInfo *exception)
1649 %
1650 % A description of each parameter follows.
1651 %
1652 % o image_info: the image info.
1653 %
1654 % o image: The image.
1655 %
1656 % o exception: return any errors or warnings in this structure.
1657 %
1658 */
WritePICTImage(const ImageInfo * image_info,Image * image,ExceptionInfo * exception)1659 static MagickBooleanType WritePICTImage(const ImageInfo *image_info,
1660 Image *image,ExceptionInfo *exception)
1661 {
1662 #define MaxCount 128
1663 #define PictCropRegionOp 0x01
1664 #define PictEndOfPictureOp 0xff
1665 #define PictJPEGOp 0x8200
1666 #define PictInfoOp 0x0C00
1667 #define PictInfoSize 512
1668 #define PictPixmapOp 0x9A
1669 #define PictPICTOp 0x98
1670 #define PictVersion 0x11
1671
1672 const StringInfo
1673 *profile;
1674
1675 double
1676 x_resolution,
1677 y_resolution;
1678
1679 MagickBooleanType
1680 status;
1681
1682 MagickOffsetType
1683 offset;
1684
1685 PICTPixmap
1686 pixmap;
1687
1688 PICTRectangle
1689 bounds,
1690 crop_rectangle,
1691 destination_rectangle,
1692 frame_rectangle,
1693 size_rectangle,
1694 source_rectangle;
1695
1696 register const Quantum
1697 *p;
1698
1699 register ssize_t
1700 i,
1701 x;
1702
1703 size_t
1704 bytes_per_line,
1705 count,
1706 row_bytes,
1707 storage_class;
1708
1709 ssize_t
1710 y;
1711
1712 unsigned char
1713 *buffer,
1714 *packed_scanline,
1715 *scanline;
1716
1717 unsigned short
1718 base_address,
1719 transfer_mode;
1720
1721 /*
1722 Open output image file.
1723 */
1724 assert(image_info != (const ImageInfo *) NULL);
1725 assert(image_info->signature == MagickCoreSignature);
1726 assert(image != (Image *) NULL);
1727 assert(image->signature == MagickCoreSignature);
1728 if (image->debug != MagickFalse)
1729 (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
1730 if ((image->columns > 65535L) || (image->rows > 65535L))
1731 ThrowWriterException(ImageError,"WidthOrHeightExceedsLimit");
1732 assert(exception != (ExceptionInfo *) NULL);
1733 assert(exception->signature == MagickCoreSignature);
1734 status=OpenBlob(image_info,image,WriteBinaryBlobMode,exception);
1735 if (status == MagickFalse)
1736 return(status);
1737 (void) TransformImageColorspace(image,sRGBColorspace,exception);
1738 /*
1739 Initialize image info.
1740 */
1741 size_rectangle.top=0;
1742 size_rectangle.left=0;
1743 size_rectangle.bottom=(short) image->rows;
1744 size_rectangle.right=(short) image->columns;
1745 frame_rectangle=size_rectangle;
1746 crop_rectangle=size_rectangle;
1747 source_rectangle=size_rectangle;
1748 destination_rectangle=size_rectangle;
1749 base_address=0xff;
1750 row_bytes=image->columns;
1751 bounds.top=0;
1752 bounds.left=0;
1753 bounds.bottom=(short) image->rows;
1754 bounds.right=(short) image->columns;
1755 pixmap.version=0;
1756 pixmap.pack_type=0;
1757 pixmap.pack_size=0;
1758 pixmap.pixel_type=0;
1759 pixmap.bits_per_pixel=8;
1760 pixmap.component_count=1;
1761 pixmap.component_size=8;
1762 pixmap.plane_bytes=0;
1763 pixmap.table=0;
1764 pixmap.reserved=0;
1765 transfer_mode=0;
1766 x_resolution=image->resolution.x != 0.0 ? image->resolution.x :
1767 DefaultResolution;
1768 y_resolution=image->resolution.y != 0.0 ? image->resolution.y :
1769 DefaultResolution;
1770 storage_class=image->storage_class;
1771 if (image_info->compression == JPEGCompression)
1772 storage_class=DirectClass;
1773 if (storage_class == DirectClass)
1774 {
1775 pixmap.component_count=image->alpha_trait != UndefinedPixelTrait ? 4 : 3;
1776 pixmap.pixel_type=16;
1777 pixmap.bits_per_pixel=32;
1778 pixmap.pack_type=0x04;
1779 transfer_mode=0x40;
1780 row_bytes=4*image->columns;
1781 }
1782 /*
1783 Allocate memory.
1784 */
1785 bytes_per_line=image->columns;
1786 if (storage_class == DirectClass)
1787 bytes_per_line*=image->alpha_trait != UndefinedPixelTrait ? 4 : 3;
1788 buffer=(unsigned char *) AcquireQuantumMemory(PictInfoSize,sizeof(*buffer));
1789 packed_scanline=(unsigned char *) AcquireQuantumMemory((size_t)
1790 (row_bytes+2*MaxCount),sizeof(*packed_scanline));
1791 scanline=(unsigned char *) AcquireQuantumMemory(row_bytes,sizeof(*scanline));
1792 if ((buffer == (unsigned char *) NULL) ||
1793 (packed_scanline == (unsigned char *) NULL) ||
1794 (scanline == (unsigned char *) NULL))
1795 {
1796 if (scanline != (unsigned char *) NULL)
1797 scanline=(unsigned char *) RelinquishMagickMemory(scanline);
1798 if (packed_scanline != (unsigned char *) NULL)
1799 packed_scanline=(unsigned char *) RelinquishMagickMemory(
1800 packed_scanline);
1801 if (buffer != (unsigned char *) NULL)
1802 buffer=(unsigned char *) RelinquishMagickMemory(buffer);
1803 ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed");
1804 }
1805 (void) memset(scanline,0,row_bytes);
1806 (void) memset(packed_scanline,0,(size_t) (row_bytes+2*MaxCount)*
1807 sizeof(*packed_scanline));
1808 /*
1809 Write header, header size, size bounding box, version, and reserved.
1810 */
1811 (void) memset(buffer,0,PictInfoSize);
1812 (void) WriteBlob(image,PictInfoSize,buffer);
1813 (void) WriteBlobMSBShort(image,0);
1814 (void) WriteBlobMSBShort(image,(unsigned short) size_rectangle.top);
1815 (void) WriteBlobMSBShort(image,(unsigned short) size_rectangle.left);
1816 (void) WriteBlobMSBShort(image,(unsigned short) size_rectangle.bottom);
1817 (void) WriteBlobMSBShort(image,(unsigned short) size_rectangle.right);
1818 (void) WriteBlobMSBShort(image,PictVersion);
1819 (void) WriteBlobMSBShort(image,0x02ff); /* version #2 */
1820 (void) WriteBlobMSBShort(image,PictInfoOp);
1821 (void) WriteBlobMSBLong(image,0xFFFE0000U);
1822 /*
1823 Write full size of the file, resolution, frame bounding box, and reserved.
1824 */
1825 (void) WriteBlobMSBShort(image,(unsigned short) x_resolution);
1826 (void) WriteBlobMSBShort(image,0x0000);
1827 (void) WriteBlobMSBShort(image,(unsigned short) y_resolution);
1828 (void) WriteBlobMSBShort(image,0x0000);
1829 (void) WriteBlobMSBShort(image,(unsigned short) frame_rectangle.top);
1830 (void) WriteBlobMSBShort(image,(unsigned short) frame_rectangle.left);
1831 (void) WriteBlobMSBShort(image,(unsigned short) frame_rectangle.bottom);
1832 (void) WriteBlobMSBShort(image,(unsigned short) frame_rectangle.right);
1833 (void) WriteBlobMSBLong(image,0x00000000L);
1834 profile=GetImageProfile(image,"iptc");
1835 if (profile != (StringInfo *) NULL)
1836 {
1837 (void) WriteBlobMSBShort(image,0xa1);
1838 (void) WriteBlobMSBShort(image,0x1f2);
1839 (void) WriteBlobMSBShort(image,(unsigned short)
1840 (GetStringInfoLength(profile)+4));
1841 (void) WriteBlobString(image,"8BIM");
1842 (void) WriteBlob(image,GetStringInfoLength(profile),
1843 GetStringInfoDatum(profile));
1844 }
1845 profile=GetImageProfile(image,"icc");
1846 if (profile != (StringInfo *) NULL)
1847 {
1848 (void) WriteBlobMSBShort(image,0xa1);
1849 (void) WriteBlobMSBShort(image,0xe0);
1850 (void) WriteBlobMSBShort(image,(unsigned short)
1851 (GetStringInfoLength(profile)+4));
1852 (void) WriteBlobMSBLong(image,0x00000000U);
1853 (void) WriteBlob(image,GetStringInfoLength(profile),
1854 GetStringInfoDatum(profile));
1855 (void) WriteBlobMSBShort(image,0xa1);
1856 (void) WriteBlobMSBShort(image,0xe0);
1857 (void) WriteBlobMSBShort(image,4);
1858 (void) WriteBlobMSBLong(image,0x00000002U);
1859 }
1860 /*
1861 Write crop region opcode and crop bounding box.
1862 */
1863 (void) WriteBlobMSBShort(image,PictCropRegionOp);
1864 (void) WriteBlobMSBShort(image,0xa);
1865 (void) WriteBlobMSBShort(image,(unsigned short) crop_rectangle.top);
1866 (void) WriteBlobMSBShort(image,(unsigned short) crop_rectangle.left);
1867 (void) WriteBlobMSBShort(image,(unsigned short) crop_rectangle.bottom);
1868 (void) WriteBlobMSBShort(image,(unsigned short) crop_rectangle.right);
1869 if (image_info->compression == JPEGCompression)
1870 {
1871 Image
1872 *jpeg_image;
1873
1874 ImageInfo
1875 *jpeg_info;
1876
1877 size_t
1878 length;
1879
1880 unsigned char
1881 *blob;
1882
1883 jpeg_image=CloneImage(image,0,0,MagickTrue,exception);
1884 if (jpeg_image == (Image *) NULL)
1885 {
1886 (void) CloseBlob(image);
1887 return(MagickFalse);
1888 }
1889 jpeg_info=CloneImageInfo(image_info);
1890 (void) CopyMagickString(jpeg_info->magick,"JPEG",MagickPathExtent);
1891 length=0;
1892 blob=(unsigned char *) ImageToBlob(jpeg_info,jpeg_image,&length,
1893 exception);
1894 jpeg_info=DestroyImageInfo(jpeg_info);
1895 if (blob == (unsigned char *) NULL)
1896 return(MagickFalse);
1897 jpeg_image=DestroyImage(jpeg_image);
1898 (void) WriteBlobMSBShort(image,PictJPEGOp);
1899 (void) WriteBlobMSBLong(image,(unsigned int) length+154);
1900 (void) WriteBlobMSBShort(image,0x0000);
1901 (void) WriteBlobMSBLong(image,0x00010000U);
1902 (void) WriteBlobMSBLong(image,0x00000000U);
1903 (void) WriteBlobMSBLong(image,0x00000000U);
1904 (void) WriteBlobMSBLong(image,0x00000000U);
1905 (void) WriteBlobMSBLong(image,0x00010000U);
1906 (void) WriteBlobMSBLong(image,0x00000000U);
1907 (void) WriteBlobMSBLong(image,0x00000000U);
1908 (void) WriteBlobMSBLong(image,0x00000000U);
1909 (void) WriteBlobMSBLong(image,0x40000000U);
1910 (void) WriteBlobMSBLong(image,0x00000000U);
1911 (void) WriteBlobMSBLong(image,0x00000000U);
1912 (void) WriteBlobMSBLong(image,0x00000000U);
1913 (void) WriteBlobMSBLong(image,0x00400000U);
1914 (void) WriteBlobMSBShort(image,0x0000);
1915 (void) WriteBlobMSBShort(image,(unsigned short) image->rows);
1916 (void) WriteBlobMSBShort(image,(unsigned short) image->columns);
1917 (void) WriteBlobMSBShort(image,0x0000);
1918 (void) WriteBlobMSBShort(image,768);
1919 (void) WriteBlobMSBShort(image,0x0000);
1920 (void) WriteBlobMSBLong(image,0x00000000U);
1921 (void) WriteBlobMSBLong(image,0x00566A70U);
1922 (void) WriteBlobMSBLong(image,0x65670000U);
1923 (void) WriteBlobMSBLong(image,0x00000000U);
1924 (void) WriteBlobMSBLong(image,0x00000001U);
1925 (void) WriteBlobMSBLong(image,0x00016170U);
1926 (void) WriteBlobMSBLong(image,0x706C0000U);
1927 (void) WriteBlobMSBLong(image,0x00000000U);
1928 (void) WriteBlobMSBShort(image,768);
1929 (void) WriteBlobMSBShort(image,(unsigned short) image->columns);
1930 (void) WriteBlobMSBShort(image,(unsigned short) image->rows);
1931 (void) WriteBlobMSBShort(image,(unsigned short) x_resolution);
1932 (void) WriteBlobMSBShort(image,0x0000);
1933 (void) WriteBlobMSBShort(image,(unsigned short) y_resolution);
1934 (void) WriteBlobMSBShort(image,0x0000);
1935 (void) WriteBlobMSBLong(image,(unsigned int) length);
1936 (void) WriteBlobMSBShort(image,0x0001);
1937 (void) WriteBlobMSBLong(image,0x0B466F74U);
1938 (void) WriteBlobMSBLong(image,0x6F202D20U);
1939 (void) WriteBlobMSBLong(image,0x4A504547U);
1940 (void) WriteBlobMSBLong(image,0x00000000U);
1941 (void) WriteBlobMSBLong(image,0x00000000U);
1942 (void) WriteBlobMSBLong(image,0x00000000U);
1943 (void) WriteBlobMSBLong(image,0x00000000U);
1944 (void) WriteBlobMSBLong(image,0x00000000U);
1945 (void) WriteBlobMSBLong(image,0x0018FFFFU);
1946 (void) WriteBlob(image,length,blob);
1947 if ((length & 0x01) != 0)
1948 (void) WriteBlobByte(image,'\0');
1949 blob=(unsigned char *) RelinquishMagickMemory(blob);
1950 }
1951 /*
1952 Write picture opcode, row bytes, and picture bounding box, and version.
1953 */
1954 if (storage_class == PseudoClass)
1955 (void) WriteBlobMSBShort(image,PictPICTOp);
1956 else
1957 {
1958 (void) WriteBlobMSBShort(image,PictPixmapOp);
1959 (void) WriteBlobMSBLong(image,(unsigned int) base_address);
1960 }
1961 (void) WriteBlobMSBShort(image,(unsigned short) (row_bytes | 0x8000));
1962 (void) WriteBlobMSBShort(image,(unsigned short) bounds.top);
1963 (void) WriteBlobMSBShort(image,(unsigned short) bounds.left);
1964 (void) WriteBlobMSBShort(image,(unsigned short) bounds.bottom);
1965 (void) WriteBlobMSBShort(image,(unsigned short) bounds.right);
1966 /*
1967 Write pack type, pack size, resolution, pixel type, and pixel size.
1968 */
1969 (void) WriteBlobMSBShort(image,(unsigned short) pixmap.version);
1970 (void) WriteBlobMSBShort(image,(unsigned short) pixmap.pack_type);
1971 (void) WriteBlobMSBLong(image,(unsigned int) pixmap.pack_size);
1972 (void) WriteBlobMSBShort(image,(unsigned short) (x_resolution+0.5));
1973 (void) WriteBlobMSBShort(image,0x0000);
1974 (void) WriteBlobMSBShort(image,(unsigned short) (y_resolution+0.5));
1975 (void) WriteBlobMSBShort(image,0x0000);
1976 (void) WriteBlobMSBShort(image,(unsigned short) pixmap.pixel_type);
1977 (void) WriteBlobMSBShort(image,(unsigned short) pixmap.bits_per_pixel);
1978 /*
1979 Write component count, size, plane bytes, table size, and reserved.
1980 */
1981 (void) WriteBlobMSBShort(image,(unsigned short) pixmap.component_count);
1982 (void) WriteBlobMSBShort(image,(unsigned short) pixmap.component_size);
1983 (void) WriteBlobMSBLong(image,(unsigned int) pixmap.plane_bytes);
1984 (void) WriteBlobMSBLong(image,(unsigned int) pixmap.table);
1985 (void) WriteBlobMSBLong(image,(unsigned int) pixmap.reserved);
1986 if (storage_class == PseudoClass)
1987 {
1988 /*
1989 Write image colormap.
1990 */
1991 (void) WriteBlobMSBLong(image,0x00000000L); /* color seed */
1992 (void) WriteBlobMSBShort(image,0L); /* color flags */
1993 (void) WriteBlobMSBShort(image,(unsigned short) (image->colors-1));
1994 for (i=0; i < (ssize_t) image->colors; i++)
1995 {
1996 (void) WriteBlobMSBShort(image,(unsigned short) i);
1997 (void) WriteBlobMSBShort(image,ScaleQuantumToShort(
1998 image->colormap[i].red));
1999 (void) WriteBlobMSBShort(image,ScaleQuantumToShort(
2000 image->colormap[i].green));
2001 (void) WriteBlobMSBShort(image,ScaleQuantumToShort(
2002 image->colormap[i].blue));
2003 }
2004 }
2005 /*
2006 Write source and destination rectangle.
2007 */
2008 (void) WriteBlobMSBShort(image,(unsigned short) source_rectangle.top);
2009 (void) WriteBlobMSBShort(image,(unsigned short) source_rectangle.left);
2010 (void) WriteBlobMSBShort(image,(unsigned short) source_rectangle.bottom);
2011 (void) WriteBlobMSBShort(image,(unsigned short) source_rectangle.right);
2012 (void) WriteBlobMSBShort(image,(unsigned short) destination_rectangle.top);
2013 (void) WriteBlobMSBShort(image,(unsigned short) destination_rectangle.left);
2014 (void) WriteBlobMSBShort(image,(unsigned short) destination_rectangle.bottom);
2015 (void) WriteBlobMSBShort(image,(unsigned short) destination_rectangle.right);
2016 (void) WriteBlobMSBShort(image,(unsigned short) transfer_mode);
2017 /*
2018 Write picture data.
2019 */
2020 count=0;
2021 if (storage_class == PseudoClass)
2022 for (y=0; y < (ssize_t) image->rows; y++)
2023 {
2024 p=GetVirtualPixels(image,0,y,image->columns,1,exception);
2025 if (p == (const Quantum *) NULL)
2026 break;
2027 for (x=0; x < (ssize_t) image->columns; x++)
2028 {
2029 scanline[x]=(unsigned char) GetPixelIndex(image,p);
2030 p+=GetPixelChannels(image);
2031 }
2032 count+=EncodeImage(image,scanline,(size_t) (row_bytes & 0x7FFF),
2033 packed_scanline);
2034 if (image->previous == (Image *) NULL)
2035 {
2036 status=SetImageProgress(image,SaveImageTag,(MagickOffsetType) y,
2037 image->rows);
2038 if (status == MagickFalse)
2039 break;
2040 }
2041 }
2042 else
2043 if (image_info->compression == JPEGCompression)
2044 {
2045 (void) memset(scanline,0,row_bytes);
2046 for (y=0; y < (ssize_t) image->rows; y++)
2047 count+=EncodeImage(image,scanline,(size_t) (row_bytes & 0x7FFF),
2048 packed_scanline);
2049 }
2050 else
2051 {
2052 register unsigned char
2053 *blue,
2054 *green,
2055 *opacity,
2056 *red;
2057
2058 red=scanline;
2059 green=scanline+image->columns;
2060 blue=scanline+2*image->columns;
2061 opacity=scanline+3*image->columns;
2062 for (y=0; y < (ssize_t) image->rows; y++)
2063 {
2064 p=GetVirtualPixels(image,0,y,image->columns,1,exception);
2065 if (p == (const Quantum *) NULL)
2066 break;
2067 red=scanline;
2068 green=scanline+image->columns;
2069 blue=scanline+2*image->columns;
2070 if (image->alpha_trait != UndefinedPixelTrait)
2071 {
2072 opacity=scanline;
2073 red=scanline+image->columns;
2074 green=scanline+2*image->columns;
2075 blue=scanline+3*image->columns;
2076 }
2077 for (x=0; x < (ssize_t) image->columns; x++)
2078 {
2079 *red++=ScaleQuantumToChar(GetPixelRed(image,p));
2080 *green++=ScaleQuantumToChar(GetPixelGreen(image,p));
2081 *blue++=ScaleQuantumToChar(GetPixelBlue(image,p));
2082 if (image->alpha_trait != UndefinedPixelTrait)
2083 *opacity++=ScaleQuantumToChar((Quantum) (GetPixelAlpha(image,p)));
2084 p+=GetPixelChannels(image);
2085 }
2086 count+=EncodeImage(image,scanline,bytes_per_line,packed_scanline);
2087 if (image->previous == (Image *) NULL)
2088 {
2089 status=SetImageProgress(image,SaveImageTag,(MagickOffsetType) y,
2090 image->rows);
2091 if (status == MagickFalse)
2092 break;
2093 }
2094 }
2095 }
2096 if ((count & 0x01) != 0)
2097 (void) WriteBlobByte(image,'\0');
2098 (void) WriteBlobMSBShort(image,PictEndOfPictureOp);
2099 offset=TellBlob(image);
2100 offset=SeekBlob(image,512,SEEK_SET);
2101 (void) WriteBlobMSBShort(image,(unsigned short) offset);
2102 scanline=(unsigned char *) RelinquishMagickMemory(scanline);
2103 packed_scanline=(unsigned char *) RelinquishMagickMemory(packed_scanline);
2104 buffer=(unsigned char *) RelinquishMagickMemory(buffer);
2105 (void) CloseBlob(image);
2106 return(MagickTrue);
2107 }
2108