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cristy3ed852e2009-09-05 21:47:34 +00001/*
2%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
3% %
4% %
5% %
6% DDDD PPPP X X %
7% D D P P X X %
8% D D PPPP XXX %
9% D D P X X %
10% DDDD P X X %
11% %
12% %
13% Read/Write SMTPE DPX Image Format %
14% %
15% Software Design %
16% John Cristy %
17% March 2001 %
18% %
19% %
20% Copyright 1999-2008 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 "magick/studio.h"
43#include "magick/blob.h"
44#include "magick/blob-private.h"
45#include "magick/cache.h"
46#include "magick/colorspace.h"
47#include "magick/exception.h"
48#include "magick/exception-private.h"
49#include "magick/geometry.h"
50#include "magick/image.h"
51#include "magick/image-private.h"
52#include "magick/list.h"
53#include "magick/magick.h"
54#include "magick/memory_.h"
cristyf2f27272009-12-17 14:48:46 +000055#include "magick/module.h"
cristy3ed852e2009-09-05 21:47:34 +000056#include "magick/monitor.h"
57#include "magick/monitor-private.h"
58#include "magick/option.h"
59#include "magick/profile.h"
60#include "magick/property.h"
61#include "magick/quantum-private.h"
62#include "magick/static.h"
63#include "magick/string_.h"
cristyf2f27272009-12-17 14:48:46 +000064#include "magick/string-private.h"
cristy3ed852e2009-09-05 21:47:34 +000065
66/*
67 Typedef declaration.
68*/
69typedef enum
70{
71 UserDefinedColorimetric = 0,
72 PrintingDensityColorimetric = 1,
73 LinearColorimetric = 2,
74 LogarithmicColorimetric = 3,
75 UnspecifiedVideoColorimetric = 4,
76 SMTPE_274MColorimetric = 5,
77 ITU_R709Colorimetric = 6,
78 ITU_R601_625LColorimetric = 7,
79 ITU_R601_525LColorimetric = 8,
80 NTSCCompositeVideoColorimetric = 9,
81 PALCompositeVideoColorimetric = 10,
82 ZDepthLinearColorimetric = 11,
83 DepthHomogeneousColorimetric = 12
84} DPXColorimetric;
85
86typedef enum
87{
88 UndefinedComponentType = 0,
89 RedComponentType = 1,
90 GreenComponentType = 2,
91 BlueComponentType = 3,
92 AlphaComponentType = 4,
93 LumaComponentType = 6,
94 ColorDifferenceCbCrComponentType = 7,
95 DepthComponentType = 8,
96 CompositeVideoComponentType = 9,
97 RGBComponentType = 50,
98 RGBAComponentType = 51,
99 ABGRComponentType = 52,
100 CbYCrY422ComponentType = 100,
101 CbYACrYA4224ComponentType = 101,
102 CbYCr444ComponentType = 102,
103 CbYCrA4444ComponentType = 103,
104 UserDef2ElementComponentType = 150,
105 UserDef3ElementComponentType = 151,
106 UserDef4ElementComponentType = 152,
107 UserDef5ElementComponentType = 153,
108 UserDef6ElementComponentType = 154,
109 UserDef7ElementComponentType = 155,
110 UserDef8ElementComponentType = 156
111} DPXComponentType;
112
113typedef struct _DPXFileInfo
114{
115 unsigned int
116 magic,
117 image_offset;
118
119 char
120 version[8];
121
122 unsigned int
123 file_size,
124 ditto_key,
125 generic_size,
126 industry_size,
127 user_size;
128
129 char
130 filename[100],
131 timestamp[24],
132 creator[100],
133 project[200],
134 copyright[200];
135
136 unsigned int
137 encrypt_key;
138
139 char
140 reserve[104];
141} DPXFileInfo;
142
143typedef struct _DPXFilmInfo
144{
145 char
146 id[2],
147 type[2],
148 offset[2],
149 prefix[6],
150 count[4],
151 format[32];
152
153 unsigned int
154 frame_position,
155 sequence_extent,
156 held_count;
157
158 float
159 frame_rate,
160 shutter_angle;
161
162 char
163 frame_id[32],
164 slate[100],
165 reserve[56];
166} DPXFilmInfo;
167
168typedef struct _DPXImageElement
169{
170 unsigned int
171 data_sign,
172 low_data;
173
174 float
175 low_quantity;
176
177 unsigned int
178 high_data;
179
180 float
181 high_quantity;
182
183 unsigned char
184 descriptor,
185 transfer,
186 colorimetric,
187 bit_size;
188
189 unsigned short
190 packing,
191 encoding;
192
193 unsigned int
194 data_offset,
195 end_of_line_padding,
196 end_of_image_padding;
197
198 unsigned char
199 description[32];
200} DPXImageElement;
201
202typedef struct _DPXImageInfo
203{
204 unsigned short
205 orientation,
206 number_elements;
207
208 unsigned int
209 pixels_per_line,
210 lines_per_element;
211
212 DPXImageElement
213 image_element[8];
214
215 unsigned char
216 reserve[52];
217} DPXImageInfo;
218
219typedef struct _DPXOrientationInfo
220{
221 unsigned int
222 x_offset,
223 y_offset;
224
225 float
226 x_center,
227 y_center;
228
229 unsigned int
230 x_size,
231 y_size;
232
233 char
234 filename[100],
235 timestamp[24],
236 device[32],
237 serial[32];
238
239 unsigned short
240 border[4];
241
242 unsigned int
243 aspect_ratio[2];
244
245 unsigned char
246 reserve[28];
247} DPXOrientationInfo;
248
249typedef struct _DPXTelevisionInfo
250{
251 unsigned int
252 time_code,
253 user_bits;
254
255 unsigned char
256 interlace,
257 field_number,
258 video_signal,
259 padding;
260
261 float
262 horizontal_sample_rate,
263 vertical_sample_rate,
264 frame_rate,
265 time_offset,
266 gamma,
267 black_level,
268 black_gain,
269 break_point,
270 white_level,
271 integration_times;
272
273 char
274 reserve[76];
275} DPXTelevisionInfo;
276
277typedef struct _DPXUserInfo
278{
279 char
280 id[32];
281} DPXUserInfo;
282
283typedef struct DPXInfo
284{
285 DPXFileInfo
286 file;
287
288 DPXImageInfo
289 image;
290
291 DPXOrientationInfo
292 orientation;
293
294 DPXFilmInfo
295 film;
296
297 DPXTelevisionInfo
298 television;
299
300 DPXUserInfo
301 user;
302} DPXInfo;
303
304/*
305 Forward declaractions.
306*/
307static MagickBooleanType
308 WriteDPXImage(const ImageInfo *,Image *);
309
310/*
311%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
312% %
313% %
314% %
315% I s D P X %
316% %
317% %
318% %
319%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
320%
321% IsDPX() returns MagickTrue if the image format type, identified by the
322% magick string, is DPX.
323%
324% The format of the IsDPX method is:
325%
326% MagickBooleanType IsDPX(const unsigned char *magick,const size_t extent)
327%
328% A description of each parameter follows:
329%
330% o magick: compare image format pattern against these bytes.
331%
332% o extent: Specifies the extent of the magick string.
333%
334*/
335static MagickBooleanType IsDPX(const unsigned char *magick,const size_t extent)
336{
337 if (extent < 4)
338 return(MagickFalse);
339 if (memcmp(magick,"SDPX",4) == 0)
340 return(MagickTrue);
341 if (memcmp(magick,"XPDS",4) == 0)
342 return(MagickTrue);
343 return(MagickFalse);
344}
345
346/*
347%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
348% %
349% %
350% %
351% R e a d D P X I m a g e %
352% %
353% %
354% %
355%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
356%
357% ReadDPXImage() reads an DPX X image file and returns it. It
358% allocates the memory necessary for the new Image structure and returns a
359% pointer to the new image.
360%
361% The format of the ReadDPXImage method is:
362%
363% Image *ReadDPXImage(const ImageInfo *image_info,ExceptionInfo *exception)
364%
365% A description of each parameter follows:
366%
367% o image_info: the image info.
368%
369% o exception: return any errors or warnings in this structure.
370%
371*/
372
cristybb503372010-05-27 20:51:26 +0000373static size_t GetBytesPerRow(size_t columns,
374 size_t samples_per_pixel,size_t bits_per_pixel,
cristy3ed852e2009-09-05 21:47:34 +0000375 MagickBooleanType pad)
376{
377 size_t
378 bytes_per_row;
379
380 switch (bits_per_pixel)
381 {
382 case 1:
383 {
384 bytes_per_row=4*(((size_t) samples_per_pixel*columns*
385 bits_per_pixel+31)/32);
386 break;
387 }
388 case 8:
389 default:
390 {
391 bytes_per_row=4*(((size_t) samples_per_pixel*columns*
392 bits_per_pixel+31)/32);
393 break;
394 }
395 case 10:
396 {
397 if (pad == MagickFalse)
398 {
399 bytes_per_row=4*(((size_t) samples_per_pixel*columns*
400 bits_per_pixel+31)/32);
401 break;
402 }
cristyff024b42010-02-21 22:55:09 +0000403 bytes_per_row=4*(((size_t) (32*((samples_per_pixel*columns+2)/3))+31)/32);
cristy3ed852e2009-09-05 21:47:34 +0000404 break;
405 }
406 case 12:
407 {
408 if (pad == MagickFalse)
409 {
410 bytes_per_row=4*(((size_t) samples_per_pixel*columns*
411 bits_per_pixel+31)/32);
412 break;
413 }
414 bytes_per_row=2*(((size_t) (16*samples_per_pixel*columns)+15)/16);
415 break;
416 }
417 case 16:
418 {
419 bytes_per_row=2*(((size_t) samples_per_pixel*columns*
420 bits_per_pixel+8)/16);
421 break;
422 }
423 case 32:
424 {
425 bytes_per_row=4*(((size_t) samples_per_pixel*columns*
426 bits_per_pixel+31)/32);
427 break;
428 }
429 case 64:
430 {
431 bytes_per_row=8*(((size_t) samples_per_pixel*columns*
432 bits_per_pixel+63)/64);
433 break;
434 }
435 }
436 return(bytes_per_row);
437}
438
439static inline MagickBooleanType IsFloatDefined(const float value)
440{
441 union
442 {
443 unsigned int
444 unsigned_value;
445
446 float
447 float_value;
448 } quantum;
449
450 quantum.unsigned_value=0U;
451 quantum.float_value=(double) value;
452 if (quantum.unsigned_value == 0U)
453 return(MagickFalse);
454 return(MagickTrue);
455}
456
457static void SetPrimaryChromaticity(const DPXColorimetric colorimetric,
458 ChromaticityInfo *chromaticity_info)
459{
460 switch(colorimetric)
461 {
462 case SMTPE_274MColorimetric:
463 case ITU_R709Colorimetric:
464 {
465 chromaticity_info->red_primary.x=0.640;
466 chromaticity_info->red_primary.y=0.330;
467 chromaticity_info->red_primary.z=0.030;
468 chromaticity_info->green_primary.x=0.300;
469 chromaticity_info->green_primary.y=0.600;
470 chromaticity_info->green_primary.z=0.100;
471 chromaticity_info->blue_primary.x=0.150;
472 chromaticity_info->blue_primary.y=0.060;
473 chromaticity_info->blue_primary.z=0.790;
474 chromaticity_info->white_point.x=0.3127;
475 chromaticity_info->white_point.y=0.3290;
476 chromaticity_info->white_point.z=0.3582;
477 break;
478 }
479 case NTSCCompositeVideoColorimetric:
480 {
481 chromaticity_info->red_primary.x=0.67;
482 chromaticity_info->red_primary.y=0.33;
483 chromaticity_info->red_primary.z=0.00;
484 chromaticity_info->green_primary.x=0.21;
485 chromaticity_info->green_primary.y=0.71;
486 chromaticity_info->green_primary.z=0.08;
487 chromaticity_info->blue_primary.x=0.14;
488 chromaticity_info->blue_primary.y=0.08;
489 chromaticity_info->blue_primary.z=0.78;
490 chromaticity_info->white_point.x=0.310;
491 chromaticity_info->white_point.y=0.316;
492 chromaticity_info->white_point.z=0.374;
493 break;
494 }
495 case PALCompositeVideoColorimetric:
496 {
497 chromaticity_info->red_primary.x=0.640;
498 chromaticity_info->red_primary.y=0.330;
499 chromaticity_info->red_primary.z=0.030;
500 chromaticity_info->green_primary.x=0.290;
501 chromaticity_info->green_primary.y=0.600;
502 chromaticity_info->green_primary.z=0.110;
503 chromaticity_info->blue_primary.x=0.150;
504 chromaticity_info->blue_primary.y=0.060;
505 chromaticity_info->blue_primary.z=0.790;
506 chromaticity_info->white_point.x=0.3127;
507 chromaticity_info->white_point.y=0.3290;
508 chromaticity_info->white_point.z=0.3582;
509 break;
510 }
511 default:
512 break;
513 }
514}
515
cristybb503372010-05-27 20:51:26 +0000516static void TimeCodeToString(const size_t timestamp,char *code)
cristy3ed852e2009-09-05 21:47:34 +0000517{
518#define TimeFields 7
519
520 unsigned int
521 shift;
522
cristybb503372010-05-27 20:51:26 +0000523 register ssize_t
cristy3ed852e2009-09-05 21:47:34 +0000524 i;
525
526 *code='\0';
527 shift=4*TimeFields;
528 for (i=0; i <= TimeFields; i++)
529 {
530 (void) FormatMagickString(code,MaxTextExtent-strlen(code),"%x",
531 (unsigned int) ((timestamp >> shift) & 0x0fU));
532 code++;
533 if (((i % 2) != 0) && (i < TimeFields))
534 *code++=':';
535 shift-=4;
536 *code='\0';
537 }
538}
539
540static Image *ReadDPXImage(const ImageInfo *image_info,ExceptionInfo *exception)
541{
542 char
543 magick[4],
544 value[MaxTextExtent];
545
546 DPXInfo
547 dpx;
548
549 Image
550 *image;
551
cristybb503372010-05-27 20:51:26 +0000552 ssize_t
cristyff024b42010-02-21 22:55:09 +0000553 row,
cristy3ed852e2009-09-05 21:47:34 +0000554 y;
555
556 MagickBooleanType
557 status;
558
559 MagickOffsetType
560 offset;
561
cristyff024b42010-02-21 22:55:09 +0000562 QuantumInfo
563 *quantum_info;
564
cristy3ed852e2009-09-05 21:47:34 +0000565 QuantumType
566 quantum_type;
567
cristybb503372010-05-27 20:51:26 +0000568 register ssize_t
cristy3ed852e2009-09-05 21:47:34 +0000569 i;
570
cristy3ed852e2009-09-05 21:47:34 +0000571 ssize_t
572 count;
573
574 size_t
575 extent;
576
577 unsigned char
578 component_type;
579
cristybb503372010-05-27 20:51:26 +0000580 size_t
cristy3ed852e2009-09-05 21:47:34 +0000581 samples_per_pixel;
582
583 /*
584 Open image file.
585 */
586 assert(image_info != (const ImageInfo *) NULL);
587 assert(image_info->signature == MagickSignature);
588 if (image_info->debug != MagickFalse)
589 (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",
590 image_info->filename);
591 assert(exception != (ExceptionInfo *) NULL);
592 assert(exception->signature == MagickSignature);
593 image=AcquireImage(image_info);
594 status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception);
595 if (status == MagickFalse)
596 {
597 image=DestroyImageList(image);
598 return((Image *) NULL);
599 }
600 /*
601 Read DPX file header.
602 */
603 offset=0;
604 count=ReadBlob(image,4,(unsigned char *) magick);
605 offset+=count;
606 if ((count != 4) || ((LocaleNCompare(magick,"SDPX",4) != 0) &&
607 (LocaleNCompare((char *) magick,"XPDS",4) != 0)))
608 ThrowReaderException(CorruptImageError,"ImproperImageHeader");
609 image->endian=LSBEndian;
610 if (LocaleNCompare(magick,"SDPX",4) == 0)
611 image->endian=MSBEndian;
612 (void) ResetMagickMemory(&dpx,0,sizeof(dpx));
613 dpx.file.image_offset=ReadBlobLong(image);
614 offset+=4;
615 offset+=ReadBlob(image,sizeof(dpx.file.version),(unsigned char *)
616 dpx.file.version);
617 (void) FormatImageProperty(image,"dpx:file.version","%.8s",dpx.file.version);
618 dpx.file.file_size=ReadBlobLong(image);
619 offset+=4;
620 dpx.file.ditto_key=ReadBlobLong(image);
621 offset+=4;
622 if (dpx.file.ditto_key != ~0U)
623 (void) FormatImageProperty(image,"dpx:file.ditto.key","%u",
624 dpx.file.ditto_key);
625 dpx.file.generic_size=ReadBlobLong(image);
626 offset+=4;
627 dpx.file.industry_size=ReadBlobLong(image);
628 offset+=4;
629 dpx.file.user_size=ReadBlobLong(image);
630 offset+=4;
631 offset+=ReadBlob(image,sizeof(dpx.file.filename),(unsigned char *)
632 dpx.file.filename);
633 (void) FormatImageProperty(image,"dpx:file.filename","%.100s",
634 dpx.file.filename);
635 (void) FormatImageProperty(image,"document","%.100s",dpx.file.filename);
636 offset+=ReadBlob(image,sizeof(dpx.file.timestamp),(unsigned char *)
637 dpx.file.timestamp);
638 if (*dpx.file.timestamp != '\0')
639 (void) FormatImageProperty(image,"dpx:file.timestamp","%.24s",
640 dpx.file.timestamp);
641 offset+=ReadBlob(image,sizeof(dpx.file.creator),(unsigned char *)
642 dpx.file.creator);
643 if (*dpx.file.creator != '\0')
644 {
645 (void) FormatImageProperty(image,"dpx:file.creator","%.100s",
646 dpx.file.creator);
647 (void) FormatImageProperty(image,"software","%.100s",dpx.file.creator);
648 }
649 offset+=ReadBlob(image,sizeof(dpx.file.project),(unsigned char *)
650 dpx.file.project);
651 if (*dpx.file.project != '\0')
652 {
653 (void) FormatImageProperty(image,"dpx:file.project","%.200s",
654 dpx.file.project);
655 (void) FormatImageProperty(image,"comment","%.100s",dpx.file.project);
656 }
657 offset+=ReadBlob(image,sizeof(dpx.file.copyright),(unsigned char *)
658 dpx.file.copyright);
659 if (*dpx.file.copyright != '\0')
660 {
661 (void) FormatImageProperty(image,"dpx:file.copyright","%.200s",
662 dpx.file.copyright);
663 (void) FormatImageProperty(image,"copyright","%.100s",
664 dpx.file.copyright);
665 }
666 dpx.file.encrypt_key=ReadBlobLong(image);
667 offset+=4;
668 if (dpx.file.encrypt_key != ~0U)
669 (void) FormatImageProperty(image,"dpx:file.encrypt_key","%u",
670 dpx.file.encrypt_key);
671 offset+=ReadBlob(image,sizeof(dpx.file.reserve),(unsigned char *)
672 dpx.file.reserve);
673 /*
674 Read DPX image header.
675 */
676 dpx.image.orientation=ReadBlobShort(image);
677 offset+=2;
678 if (dpx.image.orientation != (unsigned short) (~0U))
679 (void) FormatImageProperty(image,"dpx:image.orientation","%d",
680 dpx.image.orientation);
681 switch (dpx.image.orientation)
682 {
683 default:
684 case 0: image->orientation=TopLeftOrientation; break;
685 case 1: image->orientation=TopRightOrientation; break;
686 case 2: image->orientation=BottomLeftOrientation; break;
687 case 3: image->orientation=BottomRightOrientation; break;
688 case 4: image->orientation=LeftTopOrientation; break;
689 case 5: image->orientation=RightTopOrientation; break;
690 case 6: image->orientation=LeftBottomOrientation; break;
691 case 7: image->orientation=RightBottomOrientation; break;
692 }
693 dpx.image.number_elements=ReadBlobShort(image);
694 offset+=2;
695 dpx.image.pixels_per_line=ReadBlobLong(image);
696 offset+=4;
697 image->columns=dpx.image.pixels_per_line;
698 dpx.image.lines_per_element=ReadBlobLong(image);
699 offset+=4;
700 image->rows=dpx.image.lines_per_element;
701 for (i=0; i < 8; i++)
702 {
703 dpx.image.image_element[i].data_sign=ReadBlobLong(image);
704 offset+=4;
705 dpx.image.image_element[i].low_data=ReadBlobLong(image);
706 offset+=4;
707 dpx.image.image_element[i].low_quantity=ReadBlobFloat(image);
708 offset+=4;
709 dpx.image.image_element[i].high_data=ReadBlobLong(image);
710 offset+=4;
711 dpx.image.image_element[i].high_quantity=ReadBlobFloat(image);
712 offset+=4;
713 dpx.image.image_element[i].descriptor=(unsigned char) ReadBlobByte(image);
714 offset++;
715 dpx.image.image_element[i].transfer=(unsigned char) ReadBlobByte(image);
716 offset++;
717 dpx.image.image_element[i].colorimetric=(unsigned char) ReadBlobByte(image);
718 offset++;
719 dpx.image.image_element[i].bit_size=(unsigned char) ReadBlobByte(image);
720 offset++;
721 dpx.image.image_element[i].packing=ReadBlobShort(image);
722 offset+=2;
723 dpx.image.image_element[i].encoding=ReadBlobShort(image);
724 offset+=2;
725 dpx.image.image_element[i].data_offset=ReadBlobLong(image);
726 offset+=4;
727 dpx.image.image_element[i].end_of_line_padding=ReadBlobLong(image);
728 offset+=4;
729 dpx.image.image_element[i].end_of_image_padding=ReadBlobLong(image);
730 offset+=4;
731 offset+=ReadBlob(image,sizeof(dpx.image.image_element[i].description),
732 (unsigned char *) dpx.image.image_element[i].description);
733 }
734 SetPrimaryChromaticity((DPXColorimetric)
735 dpx.image.image_element[0].colorimetric,&image->chromaticity);
736 offset+=ReadBlob(image,sizeof(dpx.image.reserve),(unsigned char *)
737 dpx.image.reserve);
738 component_type=dpx.image.image_element[0].descriptor;
739 image->depth=dpx.image.image_element[0].bit_size;
740 if (dpx.file.image_offset >= 1664U)
741 {
742 /*
743 Read DPX orientation header.
744 */
745 dpx.orientation.x_offset=ReadBlobLong(image);
746 offset+=4;
747 if (dpx.orientation.x_offset != ~0U)
748 (void) FormatImageProperty(image,"dpx:orientation.x_offset","%u",
749 dpx.orientation.x_offset);
750 dpx.orientation.y_offset=ReadBlobLong(image);
751 offset+=4;
752 if (dpx.orientation.y_offset != ~0U)
753 (void) FormatImageProperty(image,"dpx:orientation.y_offset","%u",
754 dpx.orientation.y_offset);
755 dpx.orientation.x_center=ReadBlobFloat(image);
756 offset+=4;
757 if (IsFloatDefined(dpx.orientation.x_center) != MagickFalse)
758 (void) FormatImageProperty(image,"dpx:orientation.x_center","%g",
759 dpx.orientation.x_center);
760 dpx.orientation.y_center=ReadBlobFloat(image);
761 offset+=4;
762 if (IsFloatDefined(dpx.orientation.y_center) != MagickFalse)
763 (void) FormatImageProperty(image,"dpx:orientation.y_center","%g",
764 dpx.orientation.y_center);
765 dpx.orientation.x_size=ReadBlobLong(image);
766 offset+=4;
767 if (dpx.orientation.x_size != ~0U)
768 (void) FormatImageProperty(image,"dpx:orientation.x_size","%u",
769 dpx.orientation.x_size);
770 dpx.orientation.y_size=ReadBlobLong(image);
771 offset+=4;
772 if (dpx.orientation.y_size != ~0U)
773 (void) FormatImageProperty(image,"dpx:orientation.y_size","%u",
774 dpx.orientation.y_size);
775 offset+=ReadBlob(image,sizeof(dpx.orientation.filename),(unsigned char *)
776 dpx.orientation.filename);
777 if (*dpx.orientation.filename != '\0')
778 (void) FormatImageProperty(image,"dpx:orientation.filename","%.100s",
779 dpx.orientation.filename);
780 offset+=ReadBlob(image,sizeof(dpx.orientation.timestamp),(unsigned char *)
781 dpx.orientation.timestamp);
782 if (*dpx.orientation.timestamp != '\0')
783 (void) FormatImageProperty(image,"dpx:orientation.timestamp","%.24s",
784 dpx.orientation.timestamp);
785 offset+=ReadBlob(image,sizeof(dpx.orientation.device),(unsigned char *)
786 dpx.orientation.device);
787 if (*dpx.orientation.device != '\0')
788 (void) FormatImageProperty(image,"dpx:orientation.device","%.32s",
789 dpx.orientation.device);
790 offset+=ReadBlob(image,sizeof(dpx.orientation.serial),(unsigned char *)
791 dpx.orientation.serial);
792 if (*dpx.orientation.serial != '\0')
793 (void) FormatImageProperty(image,"dpx:orientation.serial","%.32s",
794 dpx.orientation.serial);
795 for (i=0; i < 4; i++)
796 {
797 dpx.orientation.border[i]=ReadBlobShort(image);
798 offset+=2;
799 }
800 if ((dpx.orientation.border[0] != (unsigned short) (~0U)) &&
801 (dpx.orientation.border[1] != (unsigned short) (~0U)))
802 (void) FormatImageProperty(image,"dpx:orientation.border","%dx%d%+d%+d", dpx.orientation.border[0],dpx.orientation.border[1],
803 dpx.orientation.border[2],dpx.orientation.border[3]);
804 for (i=0; i < 2; i++)
805 {
806 dpx.orientation.aspect_ratio[i]=ReadBlobLong(image);
807 offset+=4;
808 }
809 if ((dpx.orientation.aspect_ratio[0] != ~0U) &&
810 (dpx.orientation.aspect_ratio[1] != ~0U))
811 (void) FormatImageProperty(image,"dpx:orientation.aspect_ratio",
812 "%ux%u",dpx.orientation.aspect_ratio[0],
813 dpx.orientation.aspect_ratio[1]);
814 offset+=ReadBlob(image,sizeof(dpx.orientation.reserve),(unsigned char *)
815 dpx.orientation.reserve);
816 }
817 if (dpx.file.image_offset >= 1920U)
818 {
819 /*
820 Read DPX film header.
821 */
822 offset+=ReadBlob(image,sizeof(dpx.film.id),(unsigned char *) dpx.film.id);
823 if (*dpx.film.type != '\0')
824 (void) FormatImageProperty(image,"dpx:film.id","%.2s",dpx.film.id);
825 offset+=ReadBlob(image,sizeof(dpx.film.type),(unsigned char *)
826 dpx.film.type);
827 if (*dpx.film.type != '\0')
828 (void) FormatImageProperty(image,"dpx:film.type","%.2s",dpx.film.type);
829 offset+=ReadBlob(image,sizeof(dpx.film.offset),(unsigned char *)
830 dpx.film.offset);
831 if (*dpx.film.offset != '\0')
832 (void) FormatImageProperty(image,"dpx:film.offset","%.2s",
833 dpx.film.offset);
834 offset+=ReadBlob(image,sizeof(dpx.film.prefix),(unsigned char *)
835 dpx.film.prefix);
836 if (*dpx.film.prefix != '\0')
837 (void) FormatImageProperty(image,"dpx:film.prefix","%.6s",
838 dpx.film.prefix);
839 offset+=ReadBlob(image,sizeof(dpx.film.count),(unsigned char *)
840 dpx.film.count);
841 if (*dpx.film.count != '\0')
842 (void) FormatImageProperty(image,"dpx:film.count","%.4s",
843 dpx.film.count);
844 offset+=ReadBlob(image,sizeof(dpx.film.format),(unsigned char *)
845 dpx.film.format);
846 if (*dpx.film.format != '\0')
847 (void) FormatImageProperty(image,"dpx:film.format","%.4s",
848 dpx.film.format);
849 dpx.film.frame_position=ReadBlobLong(image);
850 offset+=4;
851 if (dpx.film.frame_position != ~0U)
852 (void) FormatImageProperty(image,"dpx:film.frame_position","%u",
853 dpx.film.frame_position);
854 dpx.film.sequence_extent=ReadBlobLong(image);
855 offset+=4;
856 if (dpx.film.sequence_extent != ~0U)
857 (void) FormatImageProperty(image,"dpx:film.sequence_extent","%u",
858 dpx.film.sequence_extent);
859 dpx.film.held_count=ReadBlobLong(image);
860 offset+=4;
861 if (dpx.film.held_count != ~0U)
862 (void) FormatImageProperty(image,"dpx:film.held_count","%u",
863 dpx.film.held_count);
864 dpx.film.frame_rate=ReadBlobFloat(image);
865 offset+=4;
866 if (IsFloatDefined(dpx.film.frame_rate) != MagickFalse)
867 (void) FormatImageProperty(image,"dpx:film.frame_rate","%g",
868 dpx.film.frame_rate);
869 dpx.film.shutter_angle=ReadBlobFloat(image);
870 offset+=4;
871 if (IsFloatDefined(dpx.film.shutter_angle) != MagickFalse)
872 (void) FormatImageProperty(image,"dpx:film.shutter_angle","%g",
873 dpx.film.shutter_angle);
874 offset+=ReadBlob(image,sizeof(dpx.film.frame_id),(unsigned char *)
875 dpx.film.frame_id);
876 if (*dpx.film.frame_id != '\0')
877 (void) FormatImageProperty(image,"dpx:film.frame_id","%.32s",
878 dpx.film.frame_id);
879 offset+=ReadBlob(image,sizeof(dpx.film.slate),(unsigned char *)
880 dpx.film.slate);
881 if (*dpx.film.slate != '\0')
882 (void) FormatImageProperty(image,"dpx:film.slate","%.100s",
883 dpx.film.slate);
884 offset+=ReadBlob(image,sizeof(dpx.film.reserve),(unsigned char *)
885 dpx.film.reserve);
886 }
887 if (dpx.file.image_offset >= 2048U)
888 {
889 /*
890 Read DPX television header.
891 */
892 dpx.television.time_code=(unsigned int) ReadBlobLong(image);
893 offset+=4;
894 TimeCodeToString(dpx.television.time_code,value);
895 (void) SetImageProperty(image,"dpx:television.time.code",value);
896 dpx.television.user_bits=(unsigned int) ReadBlobLong(image);
897 offset+=4;
898 TimeCodeToString(dpx.television.user_bits,value);
899 (void) SetImageProperty(image,"dpx:television.user.bits",value);
900 dpx.television.interlace=(unsigned char) ReadBlobByte(image);
901 offset++;
902 if (dpx.television.interlace != 0)
cristye8c25f92010-06-03 00:53:06 +0000903 (void) FormatImageProperty(image,"dpx:television.interlace","%.20g",
904 (double) dpx.television.interlace);
cristy3ed852e2009-09-05 21:47:34 +0000905 dpx.television.field_number=(unsigned char) ReadBlobByte(image);
906 offset++;
907 if (dpx.television.field_number != 0)
cristye8c25f92010-06-03 00:53:06 +0000908 (void) FormatImageProperty(image,"dpx:television.field_number","%.20g",
909 (double) dpx.television.field_number);
cristy3ed852e2009-09-05 21:47:34 +0000910 dpx.television.video_signal=(unsigned char) ReadBlobByte(image);
911 offset++;
912 if (dpx.television.video_signal != 0)
cristye8c25f92010-06-03 00:53:06 +0000913 (void) FormatImageProperty(image,"dpx:television.video_signal","%.20g",
914 (double) dpx.television.video_signal);
cristy3ed852e2009-09-05 21:47:34 +0000915 dpx.television.padding=(unsigned char) ReadBlobByte(image);
916 offset++;
917 if (dpx.television.padding != 0)
918 (void) FormatImageProperty(image,"dpx:television.padding","%d",
919 dpx.television.padding);
920 dpx.television.horizontal_sample_rate=ReadBlobFloat(image);
921 offset+=4;
922 if (IsFloatDefined(dpx.television.horizontal_sample_rate) != MagickFalse)
923 (void) FormatImageProperty(image,
924 "dpx:television.horizontal_sample_rate","%g",
925 dpx.television.horizontal_sample_rate);
926 dpx.television.vertical_sample_rate=ReadBlobFloat(image);
927 offset+=4;
928 if (IsFloatDefined(dpx.television.vertical_sample_rate) != MagickFalse)
929 (void) FormatImageProperty(image,"dpx:television.vertical_sample_rate",
930 "%g",dpx.television.vertical_sample_rate);
931 dpx.television.frame_rate=ReadBlobFloat(image);
932 offset+=4;
933 if (IsFloatDefined(dpx.television.frame_rate) != MagickFalse)
934 (void) FormatImageProperty(image,"dpx:television.frame_rate","%g",
935 dpx.television.frame_rate);
936 dpx.television.time_offset=ReadBlobFloat(image);
937 offset+=4;
938 if (IsFloatDefined(dpx.television.time_offset) != MagickFalse)
939 (void) FormatImageProperty(image,"dpx:television.time_offset","%g",
940 dpx.television.time_offset);
941 dpx.television.gamma=ReadBlobFloat(image);
942 offset+=4;
943 if (IsFloatDefined(dpx.television.gamma) != MagickFalse)
944 (void) FormatImageProperty(image,"dpx:television.gamma","%g",
945 dpx.television.gamma);
946 dpx.television.black_level=ReadBlobFloat(image);
947 offset+=4;
948 if (IsFloatDefined(dpx.television.black_level) != MagickFalse)
949 (void) FormatImageProperty(image,"dpx:television.black_level","%g",
950 dpx.television.black_level);
951 dpx.television.black_gain=ReadBlobFloat(image);
952 offset+=4;
953 if (IsFloatDefined(dpx.television.black_gain) != MagickFalse)
954 (void) FormatImageProperty(image,"dpx:television.black_gain","%g",
955 dpx.television.black_gain);
956 dpx.television.break_point=ReadBlobFloat(image);
957 offset+=4;
958 if (IsFloatDefined(dpx.television.break_point) != MagickFalse)
959 (void) FormatImageProperty(image,"dpx:television.break_point","%g",
960 dpx.television.break_point);
961 dpx.television.white_level=ReadBlobFloat(image);
962 offset+=4;
963 if (IsFloatDefined(dpx.television.white_level) != MagickFalse)
964 (void) FormatImageProperty(image,"dpx:television.white_level","%g",
965 dpx.television.white_level);
966 dpx.television.integration_times=ReadBlobFloat(image);
967 offset+=4;
968 if (IsFloatDefined(dpx.television.integration_times) != MagickFalse)
969 (void) FormatImageProperty(image,"dpx:television.integration_times",
970 "%g",dpx.television.integration_times);
971 offset+=ReadBlob(image,sizeof(dpx.television.reserve),(unsigned char *)
972 dpx.television.reserve);
973 }
974 if (dpx.file.image_offset > 2080U)
975 {
976 /*
977 Read DPX user header.
978 */
979 offset+=ReadBlob(image,sizeof(dpx.user.id),(unsigned char *) dpx.user.id);
980 if (*dpx.user.id != '\0')
981 (void) FormatImageProperty(image,"dpx:user.id","%.32s",dpx.user.id);
982 if ((dpx.file.user_size != ~0U) &&
983 ((size_t) dpx.file.user_size > sizeof(dpx.user.id)))
984 {
985 StringInfo
986 *profile;
987
cristy1a14f472010-06-20 19:21:48 +0000988 profile=AcquireStringInfo(dpx.file.user_size-sizeof(dpx.user.id));
cristy3ed852e2009-09-05 21:47:34 +0000989 offset+=ReadBlob(image,GetStringInfoLength(profile),
990 GetStringInfoDatum(profile));
cristy61047b62010-05-22 02:15:20 +0000991 (void) SetImageProfile(image,"dpx",profile);
cristy3ed852e2009-09-05 21:47:34 +0000992 profile=DestroyStringInfo(profile);
993 }
994 }
cristybb503372010-05-27 20:51:26 +0000995 for ( ; offset < (ssize_t) dpx.file.image_offset; offset++)
cristy3ed852e2009-09-05 21:47:34 +0000996 (void) ReadBlobByte(image);
997 /*
998 Read DPX image header.
999 */
1000 if (image_info->ping != MagickFalse)
1001 {
1002 (void) CloseBlob(image);
1003 return(GetFirstImageInList(image));
1004 }
1005 /*
1006 Convert DPX raster image to pixel packets.
1007 */
1008 samples_per_pixel=1;
1009 quantum_type=GrayQuantum;
1010 switch (component_type)
1011 {
1012 case CbYCrY422ComponentType:
1013 {
1014 samples_per_pixel=2;
1015 quantum_type=CbYCrYQuantum;
1016 break;
1017 }
1018 case CbYACrYA4224ComponentType:
1019 case CbYCr444ComponentType:
1020 {
1021 samples_per_pixel=3;
1022 quantum_type=CbYCrQuantum;
1023 break;
1024 }
1025 case RGBComponentType:
1026 {
1027 samples_per_pixel=3;
1028 quantum_type=RGBQuantum;
1029 break;
1030 }
1031 case ABGRComponentType:
1032 case RGBAComponentType:
1033 {
1034 image->matte=MagickTrue;
1035 samples_per_pixel=4;
1036 quantum_type=RGBAQuantum;
1037 break;
1038 }
1039 default:
1040 break;
1041 }
1042 switch (component_type)
1043 {
1044 case CbYCrY422ComponentType:
1045 case CbYACrYA4224ComponentType:
1046 case CbYCr444ComponentType:
1047 {
1048 image->colorspace=Rec709YCbCrColorspace;
1049 break;
1050 }
1051 case LumaComponentType:
1052 {
1053 image->colorspace=RGBColorspace;
1054 break;
1055 }
1056 default:
1057 {
1058 image->colorspace=RGBColorspace;
1059 if (dpx.image.image_element[0].transfer == LogarithmicColorimetric)
1060 image->colorspace=LogColorspace;
1061 if (dpx.image.image_element[0].transfer == PrintingDensityColorimetric)
1062 image->colorspace=LogColorspace;
1063 break;
1064 }
1065 }
1066 extent=GetBytesPerRow(image->columns,samples_per_pixel,image->depth,
1067 dpx.image.image_element[0].packing == 0 ? MagickFalse : MagickTrue);
cristyff024b42010-02-21 22:55:09 +00001068 /*
1069 DPX any-bit pixel format.
1070 */
1071 status=MagickTrue;
1072 row=0;
1073 quantum_info=AcquireQuantumInfo(image_info,image);
1074 if (quantum_info == (QuantumInfo *) NULL)
1075 ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
1076 SetQuantumQuantum(quantum_info,32);
1077 SetQuantumPack(quantum_info,dpx.image.image_element[0].packing == 0 ?
1078 MagickTrue : MagickFalse);
cristybb503372010-05-27 20:51:26 +00001079 for (y=0; y < (ssize_t) image->rows; y++)
cristyff024b42010-02-21 22:55:09 +00001080 {
cristybb503372010-05-27 20:51:26 +00001081 ssize_t
cristyff024b42010-02-21 22:55:09 +00001082 offset;
cristy3ed852e2009-09-05 21:47:34 +00001083
cristyff024b42010-02-21 22:55:09 +00001084 MagickBooleanType
1085 sync;
cristy3ed852e2009-09-05 21:47:34 +00001086
cristyff024b42010-02-21 22:55:09 +00001087 register PixelPacket
1088 *q;
cristy3ed852e2009-09-05 21:47:34 +00001089
cristyff024b42010-02-21 22:55:09 +00001090 ssize_t
1091 count;
cristy3ed852e2009-09-05 21:47:34 +00001092
cristyff024b42010-02-21 22:55:09 +00001093 size_t
1094 length;
cristy3ed852e2009-09-05 21:47:34 +00001095
cristyff024b42010-02-21 22:55:09 +00001096 unsigned char
1097 *pixels;
cristy3ed852e2009-09-05 21:47:34 +00001098
cristyff024b42010-02-21 22:55:09 +00001099 if (status == MagickFalse)
1100 continue;
1101 pixels=GetQuantumPixels(quantum_info);
cristyff024b42010-02-21 22:55:09 +00001102 {
1103 count=ReadBlob(image,extent,pixels);
1104 if ((image->progress_monitor != (MagickProgressMonitor) NULL) &&
1105 (image->previous == (Image *) NULL))
cristy3ed852e2009-09-05 21:47:34 +00001106 {
cristyff024b42010-02-21 22:55:09 +00001107 MagickBooleanType
1108 proceed;
cristy3ed852e2009-09-05 21:47:34 +00001109
cristycee97112010-05-28 00:44:52 +00001110 proceed=SetImageProgress(image,LoadImageTag,(MagickOffsetType) row,
1111 image->rows);
cristyff024b42010-02-21 22:55:09 +00001112 if (proceed == MagickFalse)
cristy3ed852e2009-09-05 21:47:34 +00001113 status=MagickFalse;
cristyff024b42010-02-21 22:55:09 +00001114 }
1115 offset=row++;
cristy3ed852e2009-09-05 21:47:34 +00001116 }
cristyff024b42010-02-21 22:55:09 +00001117 if (count != (ssize_t) extent)
1118 status=MagickFalse;
cristyaa740112010-03-30 17:58:44 +00001119 q=QueueAuthenticPixels(image,0,offset,image->columns,1,exception);
cristyff024b42010-02-21 22:55:09 +00001120 if (q == (PixelPacket *) NULL)
1121 {
1122 status=MagickFalse;
1123 continue;
1124 }
cristyf410d302010-03-30 23:28:56 +00001125 length=ImportQuantumPixels(image,(CacheView *) NULL,quantum_info,
cristyaa740112010-03-30 17:58:44 +00001126 quantum_type,pixels,exception);
1127 sync=SyncAuthenticPixels(image,exception);
cristyff024b42010-02-21 22:55:09 +00001128 if (sync == MagickFalse)
1129 status=MagickFalse;
1130 }
cristyff024b42010-02-21 22:55:09 +00001131 quantum_info=DestroyQuantumInfo(quantum_info);
1132 if (status == MagickFalse)
1133 ThrowReaderException(CorruptImageError,"UnableToReadImageData");
cristy3ed852e2009-09-05 21:47:34 +00001134 SetQuantumImageType(image,quantum_type);
1135 if (EOFBlob(image) != MagickFalse)
1136 ThrowFileException(exception,CorruptImageError,"UnexpectedEndOfFile",
1137 image->filename);
1138 (void) CloseBlob(image);
1139 return(GetFirstImageInList(image));
1140}
1141
1142/*
1143%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1144% %
1145% %
1146% %
1147% R e g i s t e r D P X I m a g e %
1148% %
1149% %
1150% %
1151%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1152%
1153% RegisterDPXImage() adds properties for the DPX image format to
1154% the list of supported formats. The properties include the image format
1155% tag, a method to read and/or write the format, whether the format
1156% supports the saving of more than one frame to the same file or blob,
1157% whether the format supports native in-memory I/O, and a brief
1158% description of the format.
1159%
1160% The format of the RegisterDPXImage method is:
1161%
cristybb503372010-05-27 20:51:26 +00001162% size_t RegisterDPXImage(void)
cristy3ed852e2009-09-05 21:47:34 +00001163%
1164*/
cristybb503372010-05-27 20:51:26 +00001165ModuleExport size_t RegisterDPXImage(void)
cristy3ed852e2009-09-05 21:47:34 +00001166{
1167 MagickInfo
1168 *entry;
1169
1170 static const char
1171 *DPXNote =
1172 {
1173 "Digital Moving Picture Exchange Bitmap, Version 2.0.\n"
1174 "See SMPTE 268M-2003 specification at http://www.smtpe.org\n"
1175 };
1176
1177 entry=SetMagickInfo("DPX");
1178 entry->decoder=(DecodeImageHandler *) ReadDPXImage;
1179 entry->encoder=(EncodeImageHandler *) WriteDPXImage;
1180 entry->magick=(IsImageFormatHandler *) IsDPX;
1181 entry->adjoin=MagickFalse;
1182 entry->description=ConstantString("SMPTE 268M-2003 (DPX 2.0)");
1183 entry->note=ConstantString(DPXNote);
1184 entry->module=ConstantString("DPX");
1185 (void) RegisterMagickInfo(entry);
1186 return(MagickImageCoderSignature);
1187}
1188
1189/*
1190%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1191% %
1192% %
1193% %
1194% U n r e g i s t e r D P X I m a g e %
1195% %
1196% %
1197% %
1198%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1199%
1200% UnregisterDPXImage() removes format registrations made by the
1201% DPX module from the list of supported formats.
1202%
1203% The format of the UnregisterDPXImage method is:
1204%
1205% UnregisterDPXImage(void)
1206%
1207*/
1208ModuleExport void UnregisterDPXImage(void)
1209{
1210 (void) UnregisterMagickInfo("DPX");
1211}
1212
1213/*
1214%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1215% %
1216% %
1217% %
1218% W r i t e D P X I m a g e %
1219% %
1220% %
1221% %
1222%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1223%
1224% WriteDPXImage() writes an image in DPX encoded image format.
1225%
1226% The format of the WriteDPXImage method is:
1227%
1228% MagickBooleanType WriteDPXImage(const ImageInfo *image_info,Image *image)
1229%
1230% A description of each parameter follows.
1231%
1232% o image_info: the image info.
1233%
1234% o image: The image.
1235%
1236*/
1237
1238static inline const char *GetDPXProperty(const ImageInfo *image_info,
1239 const Image *image,const char *property)
1240{
1241 const char
1242 *value;
1243
1244 value=GetImageOption(image_info,property);
1245 if (value != (const char *) NULL)
1246 return(value);
1247 return(GetImageProperty(image,property));
1248}
1249
1250static unsigned int StringToTimeCode(const char *key)
1251{
1252 char
1253 buffer[2];
1254
cristybb503372010-05-27 20:51:26 +00001255 register ssize_t
cristy3ed852e2009-09-05 21:47:34 +00001256 i;
1257
1258 unsigned int
1259 shift,
1260 value;
1261
1262 value=0;
1263 shift=28;
1264 buffer[1]='\0';
1265 for (i=0; (*key != 0) && (i < 11); i++)
1266 {
1267 if (isxdigit((int) ((unsigned char) *key)) == 0)
1268 {
1269 key++;
1270 continue;
1271 }
1272 buffer[0]=(*key++);
1273 value|=(unsigned int) ((strtol(buffer,(char **) NULL,16)) << shift);
1274 shift-=4;
1275 }
1276 return(value);
1277}
1278
1279static MagickBooleanType WriteDPXImage(const ImageInfo *image_info,Image *image)
1280{
1281 const char
1282 *value;
1283
1284 const StringInfo
1285 *profile;
1286
1287 DPXInfo
1288 dpx;
1289
cristybb503372010-05-27 20:51:26 +00001290 ssize_t
cristy3ed852e2009-09-05 21:47:34 +00001291 horizontal_factor,
1292 vertical_factor,
1293 y;
1294
1295 MagickBooleanType
1296 status;
1297
1298 MagickOffsetType
1299 offset;
1300
1301 MagickStatusType
1302 flags;
1303
1304 GeometryInfo
1305 geometry_info;
1306
1307 QuantumInfo
1308 *quantum_info;
1309
1310 QuantumType
1311 quantum_type;
1312
1313 register const PixelPacket
1314 *p;
1315
cristybb503372010-05-27 20:51:26 +00001316 register ssize_t
cristy3ed852e2009-09-05 21:47:34 +00001317 i;
1318
1319 size_t
1320 extent;
1321
1322 ssize_t
1323 count;
1324
1325 time_t
1326 seconds;
1327
1328 unsigned char
1329 *pixels;
1330
1331 /*
1332 Open output image file.
1333 */
1334 assert(image_info != (const ImageInfo *) NULL);
1335 assert(image_info->signature == MagickSignature);
1336 assert(image != (Image *) NULL);
1337 assert(image->signature == MagickSignature);
1338 if (image->debug != MagickFalse)
1339 (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
1340 horizontal_factor=4;
1341 vertical_factor=4;
1342 if (image_info->sampling_factor != (char *) NULL)
1343 {
1344 GeometryInfo
1345 geometry_info;
1346
1347 MagickStatusType
1348 flags;
1349
1350 flags=ParseGeometry(image_info->sampling_factor,&geometry_info);
cristybb503372010-05-27 20:51:26 +00001351 horizontal_factor=(ssize_t) geometry_info.rho;
1352 vertical_factor=(ssize_t) geometry_info.sigma;
cristy3ed852e2009-09-05 21:47:34 +00001353 if ((flags & SigmaValue) == 0)
1354 vertical_factor=horizontal_factor;
1355 if ((horizontal_factor != 1) && (horizontal_factor != 2) &&
1356 (horizontal_factor != 4) && (vertical_factor != 1) &&
1357 (vertical_factor != 2) && (vertical_factor != 4))
1358 ThrowWriterException(CorruptImageError,"UnexpectedSamplingFactor");
1359 }
1360 if ((image->colorspace == YCbCrColorspace) &&
1361 ((horizontal_factor == 2) || (vertical_factor == 2)))
1362 if ((image->columns % 2) != 0)
1363 image->columns++;
1364 status=OpenBlob(image_info,image,WriteBinaryBlobMode,&image->exception);
1365 if (status == MagickFalse)
1366 return(status);
1367 /*
1368 Write file header.
1369 */
1370 (void) ResetMagickMemory(&dpx,0,sizeof(dpx));
1371 offset=0;
1372 dpx.file.magic=0x53445058U;
1373 offset+=WriteBlobLong(image,dpx.file.magic);
1374 dpx.file.image_offset=0x2000U;
cristy61047b62010-05-22 02:15:20 +00001375 profile=GetImageProfile(image,"dpx");
cristy3ed852e2009-09-05 21:47:34 +00001376 if (profile != (StringInfo *) NULL)
1377 {
cristy61047b62010-05-22 02:15:20 +00001378 if (GetStringInfoLength(profile) > 1048576)
1379 ThrowWriterException(ImageError,"WidthOrHeightExceedsLimit");
cristy3ed852e2009-09-05 21:47:34 +00001380 dpx.file.image_offset+=(unsigned int) GetStringInfoLength(profile);
1381 dpx.file.image_offset=(((dpx.file.image_offset+0x2000-1)/0x2000)*0x2000);
1382 }
1383 offset+=WriteBlobLong(image,dpx.file.image_offset);
1384 (void) strncpy(dpx.file.version,"V2.0",sizeof(dpx.file.version));
1385 offset+=WriteBlob(image,8,(unsigned char *) &dpx.file.version);
1386 dpx.file.file_size=(unsigned int) (4U*image->columns*image->rows+
1387 dpx.file.image_offset);
1388 offset+=WriteBlobLong(image,dpx.file.file_size);
1389 dpx.file.ditto_key=1U; /* new frame */
1390 offset+=WriteBlobLong(image,dpx.file.ditto_key);
1391 dpx.file.generic_size=0x00000680U;
1392 offset+=WriteBlobLong(image,dpx.file.generic_size);
1393 dpx.file.industry_size=0x00000180U;
1394 offset+=WriteBlobLong(image,dpx.file.industry_size);
1395 dpx.file.user_size=0;
1396 if (profile != (StringInfo *) NULL)
1397 {
1398 dpx.file.user_size+=(unsigned int) GetStringInfoLength(profile);
1399 dpx.file.user_size=(((dpx.file.user_size+0x2000-1)/0x2000)*0x2000);
1400 }
1401 offset+=WriteBlobLong(image,dpx.file.user_size);
1402 value=GetDPXProperty(image_info,image,"dpx:file.filename");
1403 if (value != (const char *) NULL)
1404 (void) strncpy(dpx.file.filename,value,sizeof(dpx.file.filename));
1405 offset+=WriteBlob(image,sizeof(dpx.file.filename),(unsigned char *)
1406 dpx.file.filename);
1407 seconds=time((time_t *) NULL);
1408 (void) FormatMagickTime(seconds,sizeof(dpx.file.timestamp),
1409 dpx.file.timestamp);
1410 offset+=WriteBlob(image,sizeof(dpx.file.timestamp),(unsigned char *)
1411 dpx.file.timestamp);
cristybb503372010-05-27 20:51:26 +00001412 (void) strncpy(dpx.file.creator,GetMagickVersion((size_t *) NULL),
cristy3ed852e2009-09-05 21:47:34 +00001413 sizeof(dpx.file.creator));
1414 value=GetDPXProperty(image_info,image,"dpx:file.creator");
1415 if (value != (const char *) NULL)
1416 (void) strncpy(dpx.file.creator,value,sizeof(dpx.file.creator));
1417 offset+=WriteBlob(image,sizeof(dpx.file.creator),(unsigned char *)
1418 dpx.file.creator);
1419 value=GetDPXProperty(image_info,image,"dpx:file.project");
1420 if (value != (const char *) NULL)
1421 (void) strncpy(dpx.file.project,value,sizeof(dpx.file.project));
1422 offset+=WriteBlob(image,sizeof(dpx.file.project),(unsigned char *)
1423 dpx.file.project);
1424 value=GetDPXProperty(image_info,image,"dpx:file.copyright");
1425 if (value != (const char *) NULL)
1426 (void) strncpy(dpx.file.copyright,value,
1427 sizeof(dpx.file.copyright));
1428 offset+=WriteBlob(image,sizeof(dpx.file.copyright),(unsigned char *)
1429 dpx.file.copyright);
1430 dpx.file.encrypt_key=(~0U);
1431 offset+=WriteBlobLong(image,dpx.file.encrypt_key);
1432 offset+=WriteBlob(image,sizeof(dpx.file.reserve),(unsigned char *)
1433 dpx.file.reserve);
1434 /*
1435 Write image header.
1436 */
1437 dpx.image.orientation=0x00; /* left-to-right; top-to-bottom */
1438 offset+=WriteBlobShort(image,dpx.image.orientation);
1439 dpx.image.number_elements=1;
1440 offset+=WriteBlobShort(image,dpx.image.number_elements);
1441 if ((image->columns != (unsigned int) image->columns) ||
1442 (image->rows != (unsigned int) image->rows))
1443 ThrowWriterException(ImageError,"WidthOrHeightExceedsLimit");
1444 offset+=WriteBlobLong(image,(unsigned int) image->columns);
1445 offset+=WriteBlobLong(image,(unsigned int) image->rows);
1446 for (i=0; i < 8; i++)
1447 {
1448 dpx.image.image_element[i].data_sign=0U;
1449 offset+=WriteBlobLong(image,dpx.image.image_element[i].data_sign);
1450 dpx.image.image_element[i].low_data=0U;
1451 offset+=WriteBlobLong(image,dpx.image.image_element[i].low_data);
1452 dpx.image.image_element[i].low_quantity=0.0f;
1453 offset+=WriteBlobFloat(image,dpx.image.image_element[i].low_quantity);
1454 dpx.image.image_element[i].high_data=0U;
1455 offset+=WriteBlobLong(image,dpx.image.image_element[i].high_data);
1456 dpx.image.image_element[i].high_quantity=0.0f;
1457 offset+=WriteBlobFloat(image,dpx.image.image_element[i].high_quantity);
1458 dpx.image.image_element[i].descriptor=0;
1459 if (i == 0)
1460 switch (image->colorspace)
1461 {
1462 case Rec601YCbCrColorspace:
1463 case Rec709YCbCrColorspace:
1464 case YCbCrColorspace:
1465 {
1466 dpx.image.image_element[i].descriptor=CbYCr444ComponentType;
1467 if (image->matte != MagickFalse)
1468 dpx.image.image_element[i].descriptor=CbYCrA4444ComponentType;
1469 break;
1470 }
1471 default:
1472 {
1473 dpx.image.image_element[i].descriptor=RGBComponentType;
1474 if (image->matte != MagickFalse)
1475 dpx.image.image_element[i].descriptor=RGBAComponentType;
cristyf59a8922010-02-28 19:51:23 +00001476 if ((image_info->type != TrueColorType) &&
1477 (image->matte == MagickFalse) &&
1478 (IsGrayImage(image,&image->exception) != MagickFalse))
cristycaac2942009-10-01 13:36:18 +00001479 dpx.image.image_element[i].descriptor=LumaComponentType;
cristy3ed852e2009-09-05 21:47:34 +00001480 break;
1481 }
1482 }
1483 offset+=WriteBlobByte(image,dpx.image.image_element[i].descriptor);
1484 dpx.image.image_element[i].transfer=0;
1485 if (image->colorspace == LogColorspace)
1486 dpx.image.image_element[0].transfer=PrintingDensityColorimetric;
1487 offset+=WriteBlobByte(image,dpx.image.image_element[i].transfer);
1488 dpx.image.image_element[i].colorimetric=0;
1489 offset+=WriteBlobByte(image,dpx.image.image_element[i].colorimetric);
1490 dpx.image.image_element[i].bit_size=0;
1491 if (i == 0)
1492 dpx.image.image_element[i].bit_size=(unsigned char) image->depth;
1493 offset+=WriteBlobByte(image,dpx.image.image_element[i].bit_size);
1494 dpx.image.image_element[i].packing=0;
1495 if ((image->depth == 10) || (image->depth == 12))
1496 dpx.image.image_element[i].packing=1;
1497 offset+=WriteBlobShort(image,dpx.image.image_element[i].packing);
1498 dpx.image.image_element[i].encoding=0;
1499 offset+=WriteBlobShort(image,dpx.image.image_element[i].encoding);
1500 dpx.image.image_element[i].data_offset=0U;
1501 if (i == 0)
1502 dpx.image.image_element[i].data_offset=dpx.file.image_offset;
1503 offset+=WriteBlobLong(image,dpx.image.image_element[i].data_offset);
1504 dpx.image.image_element[i].end_of_line_padding=0U;
1505 offset+=WriteBlobLong(image,dpx.image.image_element[i].end_of_line_padding);
1506 offset+=WriteBlobLong(image,
1507 dpx.image.image_element[i].end_of_image_padding);
1508 offset+=WriteBlob(image,sizeof(dpx.image.image_element[i].description),
1509 (unsigned char *) dpx.image.image_element[i].description);
1510 }
1511 offset+=WriteBlob(image,sizeof(dpx.image.reserve),(unsigned char *)
1512 dpx.image.reserve);
1513 /*
1514 Write orientation header.
1515 */
1516 if ((image->rows != image->magick_rows) ||
1517 (image->columns != image->magick_columns))
1518 {
1519 /*
1520 These properties are not valid if image size changed.
1521 */
1522 (void) DeleteImageProperty(image,"dpx:orientation.x_offset");
1523 (void) DeleteImageProperty(image,"dpx:orientation.y_offset");
1524 (void) DeleteImageProperty(image,"dpx:orientation.x_center");
1525 (void) DeleteImageProperty(image,"dpx:orientation.y_center");
1526 (void) DeleteImageProperty(image,"dpx:orientation.x_size");
1527 (void) DeleteImageProperty(image,"dpx:orientation.y_size");
1528 }
1529 dpx.orientation.x_offset=0U;
1530 value=GetDPXProperty(image_info,image,"dpx:orientation.x_offset");
1531 if (value != (const char *) NULL)
cristye27293e2009-12-18 02:53:20 +00001532 dpx.orientation.x_offset=(unsigned int) StringToUnsignedLong(value);
cristy3ed852e2009-09-05 21:47:34 +00001533 offset+=WriteBlobLong(image,dpx.orientation.x_offset);
1534 dpx.orientation.y_offset=0U;
1535 value=GetDPXProperty(image_info,image,"dpx:orientation.y_offset");
1536 if (value != (const char *) NULL)
cristye27293e2009-12-18 02:53:20 +00001537 dpx.orientation.y_offset=(unsigned int) StringToUnsignedLong(value);
cristy3ed852e2009-09-05 21:47:34 +00001538 offset+=WriteBlobLong(image,dpx.orientation.y_offset);
1539 dpx.orientation.x_center=0.0f;
1540 value=GetDPXProperty(image_info,image,"dpx:orientation.x_center");
1541 if (value != (const char *) NULL)
cristyf2f27272009-12-17 14:48:46 +00001542 dpx.orientation.x_center=StringToDouble(value);
cristy3ed852e2009-09-05 21:47:34 +00001543 offset+=WriteBlobFloat(image,dpx.orientation.x_center);
1544 dpx.orientation.y_center=0.0f;
1545 value=GetDPXProperty(image_info,image,"dpx:orientation.y_center");
1546 if (value != (const char *) NULL)
cristyf2f27272009-12-17 14:48:46 +00001547 dpx.orientation.y_center=StringToDouble(value);
cristy3ed852e2009-09-05 21:47:34 +00001548 offset+=WriteBlobFloat(image,dpx.orientation.y_center);
1549 dpx.orientation.x_size=0U;
1550 value=GetDPXProperty(image_info,image,"dpx:orientation.x_size");
1551 if (value != (const char *) NULL)
cristye27293e2009-12-18 02:53:20 +00001552 dpx.orientation.x_size=(unsigned int) StringToUnsignedLong(value);
cristy3ed852e2009-09-05 21:47:34 +00001553 offset+=WriteBlobLong(image,dpx.orientation.x_size);
1554 dpx.orientation.y_size=0U;
1555 value=GetDPXProperty(image_info,image,"dpx:orientation.y_size");
1556 if (value != (const char *) NULL)
cristye27293e2009-12-18 02:53:20 +00001557 dpx.orientation.y_size=(unsigned int) StringToUnsignedLong(value);
cristy3ed852e2009-09-05 21:47:34 +00001558 offset+=WriteBlobLong(image,dpx.orientation.y_size);
1559 value=GetDPXProperty(image_info,image,"dpx:orientation.filename");
1560 if (value != (const char *) NULL)
1561 (void) strncpy(dpx.orientation.filename,value,
1562 sizeof(dpx.orientation.filename));
1563 offset+=WriteBlob(image,sizeof(dpx.orientation.filename),(unsigned char *)
1564 dpx.orientation.filename);
1565 offset+=WriteBlob(image,sizeof(dpx.orientation.timestamp),(unsigned char *)
1566 dpx.orientation.timestamp);
1567 value=GetDPXProperty(image_info,image,"dpx:orientation.device");
1568 if (value != (const char *) NULL)
cristy7959f822010-03-07 21:47:41 +00001569 (void) strncpy(dpx.orientation.device,value,sizeof(dpx.orientation.device));
cristy3ed852e2009-09-05 21:47:34 +00001570 offset+=WriteBlob(image,sizeof(dpx.orientation.device),(unsigned char *)
1571 dpx.orientation.device);
cristy7959f822010-03-07 21:47:41 +00001572 value=GetDPXProperty(image_info,image,"dpx:orientation.serial");
1573 if (value != (const char *) NULL)
1574 (void) strncpy(dpx.orientation.serial,value,sizeof(dpx.orientation.serial));
cristy3ed852e2009-09-05 21:47:34 +00001575 offset+=WriteBlob(image,sizeof(dpx.orientation.serial),(unsigned char *)
1576 dpx.orientation.serial);
1577 for (i=0; i < 4; i++)
1578 dpx.orientation.border[i]=0;
1579 value=GetDPXProperty(image_info,image,"dpx:orientation.border");
1580 if (value != (const char *) NULL)
1581 {
1582 flags=ParseGeometry(value,&geometry_info);
1583 if ((flags & SigmaValue) == 0)
1584 geometry_info.sigma=geometry_info.rho;
1585 dpx.orientation.border[0]=(unsigned short) (geometry_info.rho+0.5);
1586 dpx.orientation.border[1]=(unsigned short) (geometry_info.sigma+0.5);
1587 dpx.orientation.border[2]=(unsigned short) (geometry_info.xi+0.5);
1588 dpx.orientation.border[3]=(unsigned short) (geometry_info.psi+0.5);
1589 }
1590 for (i=0; i < 4; i++)
1591 offset+=WriteBlobShort(image,dpx.orientation.border[i]);
1592 for (i=0; i < 2; i++)
1593 dpx.orientation.aspect_ratio[i]=0U;
1594 value=GetDPXProperty(image_info,image,"dpx:orientation.aspect_ratio");
1595 if (value != (const char *) NULL)
1596 {
1597 flags=ParseGeometry(value,&geometry_info);
1598 if ((flags & SigmaValue) == 0)
1599 geometry_info.sigma=geometry_info.rho;
1600 dpx.orientation.aspect_ratio[0]=(unsigned int) (geometry_info.rho+0.5);
1601 dpx.orientation.aspect_ratio[1]=(unsigned int) (geometry_info.sigma+0.5);
1602 }
1603 for (i=0; i < 2; i++)
1604 offset+=WriteBlobLong(image,dpx.orientation.aspect_ratio[i]);
1605 offset+=WriteBlob(image,sizeof(dpx.orientation.reserve),(unsigned char *)
1606 dpx.orientation.reserve);
1607 /*
1608 Write film header.
1609 */
1610 *dpx.film.id='\0';
1611 value=GetDPXProperty(image_info,image,"dpx:film.id");
1612 if (value != (const char *) NULL)
1613 (void) strncpy(dpx.film.id,value,sizeof(dpx.film.id));
1614 offset+=WriteBlob(image,sizeof(dpx.film.id),(unsigned char *) dpx.film.id);
1615 *dpx.film.type='\0';
1616 value=GetDPXProperty(image_info,image,"dpx:film.type");
1617 if (value != (const char *) NULL)
1618 (void) strncpy(dpx.film.type,value,sizeof(dpx.film.type));
1619 offset+=WriteBlob(image,sizeof(dpx.film.type),(unsigned char *)
1620 dpx.film.type);
1621 *dpx.film.offset='\0';
1622 value=GetDPXProperty(image_info,image,"dpx:film.offset");
1623 if (value != (const char *) NULL)
1624 (void) strncpy(dpx.film.offset,value,sizeof(dpx.film.offset));
1625 offset+=WriteBlob(image,sizeof(dpx.film.offset),(unsigned char *)
1626 dpx.film.offset);
1627 *dpx.film.prefix='\0';
1628 value=GetDPXProperty(image_info,image,"dpx:film.prefix");
1629 if (value != (const char *) NULL)
1630 (void) strncpy(dpx.film.prefix,value,sizeof(dpx.film.prefix));
1631 offset+=WriteBlob(image,sizeof(dpx.film.prefix),(unsigned char *)
1632 dpx.film.prefix);
1633 *dpx.film.count='\0';
1634 value=GetDPXProperty(image_info,image,"dpx:film.count");
1635 if (value != (const char *) NULL)
1636 (void) strncpy(dpx.film.count,value,sizeof(dpx.film.count));
1637 offset+=WriteBlob(image,sizeof(dpx.film.count),(unsigned char *)
1638 dpx.film.count);
1639 *dpx.film.format='\0';
1640 value=GetDPXProperty(image_info,image,"dpx:film.format");
1641 if (value != (const char *) NULL)
1642 (void) strncpy(dpx.film.format,value,sizeof(dpx.film.format));
1643 offset+=WriteBlob(image,sizeof(dpx.film.format),(unsigned char *)
1644 dpx.film.format);
1645 dpx.film.frame_position=0U;
1646 value=GetDPXProperty(image_info,image,"dpx:film.frame_position");
1647 if (value != (const char *) NULL)
cristye27293e2009-12-18 02:53:20 +00001648 dpx.film.frame_position=(unsigned int) StringToUnsignedLong(value);
cristy3ed852e2009-09-05 21:47:34 +00001649 offset+=WriteBlobLong(image,dpx.film.frame_position);
1650 dpx.film.sequence_extent=0U;
1651 value=GetDPXProperty(image_info,image,"dpx:film.sequence_extent");
1652 if (value != (const char *) NULL)
cristye27293e2009-12-18 02:53:20 +00001653 dpx.film.sequence_extent=(unsigned int) StringToUnsignedLong(value);
cristy3ed852e2009-09-05 21:47:34 +00001654 offset+=WriteBlobLong(image,dpx.film.sequence_extent);
1655 dpx.film.held_count=0U;
1656 value=GetDPXProperty(image_info,image,"dpx:film.held_count");
1657 if (value != (const char *) NULL)
cristye27293e2009-12-18 02:53:20 +00001658 dpx.film.held_count=(unsigned int) StringToUnsignedLong(value);
cristy3ed852e2009-09-05 21:47:34 +00001659 offset+=WriteBlobLong(image,dpx.film.held_count);
1660 dpx.film.frame_rate=0.0f;
1661 value=GetDPXProperty(image_info,image,"dpx:film.frame_rate");
1662 if (value != (const char *) NULL)
cristyf2f27272009-12-17 14:48:46 +00001663 dpx.film.frame_rate=StringToDouble(value);
cristy3ed852e2009-09-05 21:47:34 +00001664 offset+=WriteBlobFloat(image,dpx.film.frame_rate);
1665 dpx.film.shutter_angle=0.0f;
1666 value=GetDPXProperty(image_info,image,"dpx:film.shutter_angle");
1667 if (value != (const char *) NULL)
cristyf2f27272009-12-17 14:48:46 +00001668 dpx.film.shutter_angle=StringToDouble(value);
cristy3ed852e2009-09-05 21:47:34 +00001669 offset+=WriteBlobFloat(image,dpx.film.shutter_angle);
1670 *dpx.film.frame_id='\0';
1671 value=GetDPXProperty(image_info,image,"dpx:film.frame_id");
1672 if (value != (const char *) NULL)
1673 (void) strncpy(dpx.film.frame_id,value,sizeof(dpx.film.frame_id));
1674 offset+=WriteBlob(image,sizeof(dpx.film.frame_id),(unsigned char *)
1675 dpx.film.frame_id);
1676 value=GetDPXProperty(image_info,image,"dpx:film.slate");
1677 if (value != (const char *) NULL)
1678 (void) strncpy(dpx.film.slate,value,sizeof(dpx.film.slate));
1679 offset+=WriteBlob(image,sizeof(dpx.film.slate),(unsigned char *)
1680 dpx.film.slate);
1681 offset+=WriteBlob(image,sizeof(dpx.film.reserve),(unsigned char *)
1682 dpx.film.reserve);
1683 /*
1684 Write television header.
1685 */
1686 value=GetDPXProperty(image_info,image,"dpx:television.time.code");
1687 if (value != (const char *) NULL)
1688 dpx.television.time_code=StringToTimeCode(value);
1689 offset+=WriteBlobLong(image,dpx.television.time_code);
1690 value=GetDPXProperty(image_info,image,"dpx:television.user.bits");
1691 if (value != (const char *) NULL)
1692 dpx.television.user_bits=StringToTimeCode(value);
1693 offset+=WriteBlobLong(image,dpx.television.user_bits);
1694 value=GetDPXProperty(image_info,image,"dpx:television.interlace");
1695 if (value != (const char *) NULL)
cristyf2f27272009-12-17 14:48:46 +00001696 dpx.television.interlace=(unsigned char) StringToLong(value);
cristy3ed852e2009-09-05 21:47:34 +00001697 offset+=WriteBlobByte(image,dpx.television.interlace);
1698 value=GetDPXProperty(image_info,image,"dpx:television.field_number");
1699 if (value != (const char *) NULL)
cristyf2f27272009-12-17 14:48:46 +00001700 dpx.television.field_number=(unsigned char) StringToLong(value);
cristy3ed852e2009-09-05 21:47:34 +00001701 offset+=WriteBlobByte(image,dpx.television.field_number);
1702 dpx.television.video_signal=0;
1703 value=GetDPXProperty(image_info,image,"dpx:television.video_signal");
1704 if (value != (const char *) NULL)
cristyf2f27272009-12-17 14:48:46 +00001705 dpx.television.video_signal=(unsigned char) StringToLong(value);
cristy3ed852e2009-09-05 21:47:34 +00001706 offset+=WriteBlobByte(image,dpx.television.video_signal);
1707 dpx.television.padding=0;
1708 value=GetDPXProperty(image_info,image,"dpx:television.padding");
1709 if (value != (const char *) NULL)
cristyf2f27272009-12-17 14:48:46 +00001710 dpx.television.padding=(unsigned char) StringToLong(value);
cristy3ed852e2009-09-05 21:47:34 +00001711 offset+=WriteBlobByte(image,dpx.television.padding);
1712 dpx.television.horizontal_sample_rate=0.0f;
1713 value=GetDPXProperty(image_info,image,
1714 "dpx:television.horizontal_sample_rate");
1715 if (value != (const char *) NULL)
cristyf2f27272009-12-17 14:48:46 +00001716 dpx.television.horizontal_sample_rate=StringToDouble(value);
cristy3ed852e2009-09-05 21:47:34 +00001717 offset+=WriteBlobFloat(image,dpx.television.horizontal_sample_rate);
1718 dpx.television.vertical_sample_rate=0.0f;
1719 value=GetDPXProperty(image_info,image,"dpx:television.vertical_sample_rate");
1720 if (value != (const char *) NULL)
cristyf2f27272009-12-17 14:48:46 +00001721 dpx.television.vertical_sample_rate=StringToDouble(value);
cristy3ed852e2009-09-05 21:47:34 +00001722 offset+=WriteBlobFloat(image,dpx.television.vertical_sample_rate);
1723 dpx.television.frame_rate=0.0f;
1724 value=GetDPXProperty(image_info,image,"dpx:television.frame_rate");
1725 if (value != (const char *) NULL)
cristyf2f27272009-12-17 14:48:46 +00001726 dpx.television.frame_rate=StringToDouble(value);
cristy3ed852e2009-09-05 21:47:34 +00001727 offset+=WriteBlobFloat(image,dpx.television.frame_rate);
1728 dpx.television.time_offset=0.0f;
1729 value=GetDPXProperty(image_info,image,"dpx:television.time_offset");
1730 if (value != (const char *) NULL)
cristyf2f27272009-12-17 14:48:46 +00001731 dpx.television.time_offset=StringToDouble(value);
cristy3ed852e2009-09-05 21:47:34 +00001732 offset+=WriteBlobFloat(image,dpx.television.time_offset);
1733 dpx.television.gamma=0.0f;
1734 value=GetDPXProperty(image_info,image,"dpx:television.gamma");
1735 if (value != (const char *) NULL)
cristyf2f27272009-12-17 14:48:46 +00001736 dpx.television.gamma=StringToDouble(value);
cristy3ed852e2009-09-05 21:47:34 +00001737 offset+=WriteBlobFloat(image,dpx.television.gamma);
1738 dpx.television.black_level=0.0f;
1739 value=GetDPXProperty(image_info,image,"dpx:television.black_level");
1740 if (value != (const char *) NULL)
cristyf2f27272009-12-17 14:48:46 +00001741 dpx.television.black_level=StringToDouble(value);
cristy3ed852e2009-09-05 21:47:34 +00001742 offset+=WriteBlobFloat(image,dpx.television.black_level);
1743 dpx.television.black_gain=0.0f;
1744 value=GetDPXProperty(image_info,image,"dpx:television.black_gain");
1745 if (value != (const char *) NULL)
cristyf2f27272009-12-17 14:48:46 +00001746 dpx.television.black_gain=StringToDouble(value);
cristy3ed852e2009-09-05 21:47:34 +00001747 offset+=WriteBlobFloat(image,dpx.television.black_gain);
1748 dpx.television.break_point=0.0f;
1749 value=GetDPXProperty(image_info,image,"dpx:television.break_point");
1750 if (value != (const char *) NULL)
cristyf2f27272009-12-17 14:48:46 +00001751 dpx.television.break_point=StringToDouble(value);
cristy3ed852e2009-09-05 21:47:34 +00001752 offset+=WriteBlobFloat(image,dpx.television.break_point);
1753 dpx.television.white_level=0.0f;
1754 value=GetDPXProperty(image_info,image,"dpx:television.white_level");
1755 if (value != (const char *) NULL)
cristyf2f27272009-12-17 14:48:46 +00001756 dpx.television.white_level=StringToDouble(value);
cristy3ed852e2009-09-05 21:47:34 +00001757 offset+=WriteBlobFloat(image,dpx.television.white_level);
1758 dpx.television.integration_times=0.0f;
1759 value=GetDPXProperty(image_info,image,"dpx:television.integration_times");
1760 if (value != (const char *) NULL)
cristyf2f27272009-12-17 14:48:46 +00001761 dpx.television.integration_times=StringToDouble(value);
cristy3ed852e2009-09-05 21:47:34 +00001762 offset+=WriteBlobFloat(image,dpx.television.integration_times);
1763 offset+=WriteBlob(image,sizeof(dpx.television.reserve),(unsigned char *)
1764 dpx.television.reserve);
1765 /*
1766 Write user header.
1767 */
1768 value=GetDPXProperty(image_info,image,"dpx:user.id");
1769 if (value != (const char *) NULL)
1770 (void) strncpy(dpx.user.id,value,sizeof(dpx.user.id));
1771 offset+=WriteBlob(image,sizeof(dpx.user.id),(unsigned char *) dpx.user.id);
1772 if (profile != (StringInfo *) NULL)
1773 offset+=WriteBlob(image,GetStringInfoLength(profile),
1774 GetStringInfoDatum(profile));
1775 while (offset < (MagickOffsetType) dpx.image.image_element[0].data_offset)
1776 {
1777 count=WriteBlobByte(image,0x00);
1778 if (count != 1)
1779 {
1780 ThrowFileException(&image->exception,FileOpenError,"UnableToWriteFile",
1781 image->filename);
1782 break;
1783 }
1784 offset+=count;
1785 }
1786 /*
1787 Convert pixel packets to DPX raster image.
1788 */
1789 quantum_info=AcquireQuantumInfo(image_info,image);
cristy891dc792010-03-04 01:47:16 +00001790 SetQuantumQuantum(quantum_info,32);
1791 SetQuantumPack(quantum_info,dpx.image.image_element[0].packing == 0 ?
1792 MagickTrue : MagickFalse);
cristy3ed852e2009-09-05 21:47:34 +00001793 quantum_type=RGBQuantum;
1794 if (image->matte != MagickFalse)
1795 quantum_type=RGBAQuantum;
1796 if (image->colorspace == YCbCrColorspace)
1797 {
1798 quantum_type=CbYCrQuantum;
1799 if (image->matte != MagickFalse)
1800 quantum_type=CbYCrAQuantum;
1801 if ((horizontal_factor == 2) || (vertical_factor == 2))
1802 quantum_type=CbYCrYQuantum;
1803 }
1804 extent=GetBytesPerRow(image->columns,image->matte != MagickFalse ? 4UL : 3UL,
1805 image->depth,MagickTrue);
cristy3d9279f2010-02-22 14:38:00 +00001806 if ((image_info->type != TrueColorType) && (image->matte == MagickFalse) &&
1807 (IsGrayImage(image,&image->exception) != MagickFalse))
cristy3ed852e2009-09-05 21:47:34 +00001808 {
1809 quantum_type=GrayQuantum;
cristycaac2942009-10-01 13:36:18 +00001810 extent=GetBytesPerRow(image->columns,1UL,image->depth,MagickTrue);
cristy3ed852e2009-09-05 21:47:34 +00001811 }
1812 pixels=GetQuantumPixels(quantum_info);
cristybb503372010-05-27 20:51:26 +00001813 for (y=0; y < (ssize_t) image->rows; y++)
cristy3ed852e2009-09-05 21:47:34 +00001814 {
1815 p=GetVirtualPixels(image,0,y,image->columns,1,&image->exception);
1816 if (p == (const PixelPacket *) NULL)
1817 break;
1818 (void) ExportQuantumPixels(image,(const CacheView *) NULL,quantum_info,
1819 quantum_type,pixels,&image->exception);
1820 count=WriteBlob(image,extent,pixels);
1821 if (count != (ssize_t) extent)
1822 break;
cristycee97112010-05-28 00:44:52 +00001823 status=SetImageProgress(image,SaveImageTag,(MagickOffsetType) y,
1824 image->rows);
cristy3ed852e2009-09-05 21:47:34 +00001825 if (status == MagickFalse)
1826 break;
1827 }
1828 quantum_info=DestroyQuantumInfo(quantum_info);
1829 (void) CloseBlob(image);
1830 return(status);
1831}