2 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
13 % Read/Write SMTPE DPX Image Format %
20 % Copyright 1999-2008 ImageMagick Studio LLC, a non-profit organization %
21 % dedicated to making software imaging solutions freely available. %
23 % You may not use this file except in compliance with the License. You may %
24 % obtain a copy of the License at %
26 % http://www.imagemagick.org/script/license.php %
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. %
34 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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"
55 #include "magick/module.h"
56 #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"
64 #include "magick/string-private.h"
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
88 UndefinedComponentType = 0,
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
113 typedef struct _DPXFileInfo
143 typedef struct _DPXFilmInfo
168 typedef struct _DPXImageElement
196 end_of_image_padding;
202 typedef struct _DPXImageInfo
219 typedef struct _DPXOrientationInfo
247 } DPXOrientationInfo;
249 typedef struct _DPXTelevisionInfo
262 horizontal_sample_rate,
263 vertical_sample_rate,
277 typedef struct _DPXUserInfo
283 typedef struct DPXInfo
305 Forward declaractions.
307 static MagickBooleanType
308 WriteDPXImage(const ImageInfo *,Image *);
311 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
319 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
321 % IsDPX() returns MagickTrue if the image format type, identified by the
322 % magick string, is DPX.
324 % The format of the IsDPX method is:
326 % MagickBooleanType IsDPX(const unsigned char *magick,const size_t extent)
328 % A description of each parameter follows:
330 % o magick: compare image format pattern against these bytes.
332 % o extent: Specifies the extent of the magick string.
335 static MagickBooleanType IsDPX(const unsigned char *magick,const size_t extent)
339 if (memcmp(magick,"SDPX",4) == 0)
341 if (memcmp(magick,"XPDS",4) == 0)
347 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
351 % R e a d D P X I m a g e %
355 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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.
361 % The format of the ReadDPXImage method is:
363 % Image *ReadDPXImage(const ImageInfo *image_info,ExceptionInfo *exception)
365 % A description of each parameter follows:
367 % o image_info: the image info.
369 % o exception: return any errors or warnings in this structure.
373 static size_t GetBytesPerRow(size_t columns,
374 size_t samples_per_pixel,size_t bits_per_pixel,
375 MagickBooleanType pad)
380 switch (bits_per_pixel)
384 bytes_per_row=4*(((size_t) samples_per_pixel*columns*
385 bits_per_pixel+31)/32);
391 bytes_per_row=4*(((size_t) samples_per_pixel*columns*
392 bits_per_pixel+31)/32);
397 if (pad == MagickFalse)
399 bytes_per_row=4*(((size_t) samples_per_pixel*columns*
400 bits_per_pixel+31)/32);
403 bytes_per_row=4*(((size_t) (32*((samples_per_pixel*columns+2)/3))+31)/32);
408 if (pad == MagickFalse)
410 bytes_per_row=4*(((size_t) samples_per_pixel*columns*
411 bits_per_pixel+31)/32);
414 bytes_per_row=2*(((size_t) (16*samples_per_pixel*columns)+15)/16);
419 bytes_per_row=2*(((size_t) samples_per_pixel*columns*
420 bits_per_pixel+8)/16);
425 bytes_per_row=4*(((size_t) samples_per_pixel*columns*
426 bits_per_pixel+31)/32);
431 bytes_per_row=8*(((size_t) samples_per_pixel*columns*
432 bits_per_pixel+63)/64);
436 return(bytes_per_row);
439 static inline MagickBooleanType IsFloatDefined(const float value)
450 quantum.unsigned_value=0U;
451 quantum.float_value=(double) value;
452 if (quantum.unsigned_value == 0U)
457 static void SetPrimaryChromaticity(const DPXColorimetric colorimetric,
458 ChromaticityInfo *chromaticity_info)
462 case SMTPE_274MColorimetric:
463 case ITU_R709Colorimetric:
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;
479 case NTSCCompositeVideoColorimetric:
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;
495 case PALCompositeVideoColorimetric:
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;
516 static void TimeCodeToString(const size_t timestamp,char *code)
528 for (i=0; i <= TimeFields; i++)
530 (void) FormatMagickString(code,MaxTextExtent-strlen(code),"%x",
531 (unsigned int) ((timestamp >> shift) & 0x0fU));
533 if (((i % 2) != 0) && (i < TimeFields))
540 static Image *ReadDPXImage(const ImageInfo *image_info,ExceptionInfo *exception)
544 value[MaxTextExtent];
582 assert(image_info != (const ImageInfo *) NULL);
583 assert(image_info->signature == MagickSignature);
584 if (image_info->debug != MagickFalse)
585 (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",
586 image_info->filename);
587 assert(exception != (ExceptionInfo *) NULL);
588 assert(exception->signature == MagickSignature);
589 image=AcquireImage(image_info);
590 status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception);
591 if (status == MagickFalse)
593 image=DestroyImageList(image);
594 return((Image *) NULL);
597 Read DPX file header.
600 count=ReadBlob(image,4,(unsigned char *) magick);
602 if ((count != 4) || ((LocaleNCompare(magick,"SDPX",4) != 0) &&
603 (LocaleNCompare((char *) magick,"XPDS",4) != 0)))
604 ThrowReaderException(CorruptImageError,"ImproperImageHeader");
605 image->endian=LSBEndian;
606 if (LocaleNCompare(magick,"SDPX",4) == 0)
607 image->endian=MSBEndian;
608 (void) ResetMagickMemory(&dpx,0,sizeof(dpx));
609 dpx.file.image_offset=ReadBlobLong(image);
611 offset+=ReadBlob(image,sizeof(dpx.file.version),(unsigned char *)
613 (void) FormatImageProperty(image,"dpx:file.version","%.8s",dpx.file.version);
614 dpx.file.file_size=ReadBlobLong(image);
616 dpx.file.ditto_key=ReadBlobLong(image);
618 if (dpx.file.ditto_key != ~0U)
619 (void) FormatImageProperty(image,"dpx:file.ditto.key","%u",
621 dpx.file.generic_size=ReadBlobLong(image);
623 dpx.file.industry_size=ReadBlobLong(image);
625 dpx.file.user_size=ReadBlobLong(image);
627 offset+=ReadBlob(image,sizeof(dpx.file.filename),(unsigned char *)
629 (void) FormatImageProperty(image,"dpx:file.filename","%.100s",
631 (void) FormatImageProperty(image,"document","%.100s",dpx.file.filename);
632 offset+=ReadBlob(image,sizeof(dpx.file.timestamp),(unsigned char *)
634 if (*dpx.file.timestamp != '\0')
635 (void) FormatImageProperty(image,"dpx:file.timestamp","%.24s",
637 offset+=ReadBlob(image,sizeof(dpx.file.creator),(unsigned char *)
639 if (*dpx.file.creator != '\0')
641 (void) FormatImageProperty(image,"dpx:file.creator","%.100s",
643 (void) FormatImageProperty(image,"software","%.100s",dpx.file.creator);
645 offset+=ReadBlob(image,sizeof(dpx.file.project),(unsigned char *)
647 if (*dpx.file.project != '\0')
649 (void) FormatImageProperty(image,"dpx:file.project","%.200s",
651 (void) FormatImageProperty(image,"comment","%.100s",dpx.file.project);
653 offset+=ReadBlob(image,sizeof(dpx.file.copyright),(unsigned char *)
655 if (*dpx.file.copyright != '\0')
657 (void) FormatImageProperty(image,"dpx:file.copyright","%.200s",
659 (void) FormatImageProperty(image,"copyright","%.100s",
662 dpx.file.encrypt_key=ReadBlobLong(image);
664 if (dpx.file.encrypt_key != ~0U)
665 (void) FormatImageProperty(image,"dpx:file.encrypt_key","%u",
666 dpx.file.encrypt_key);
667 offset+=ReadBlob(image,sizeof(dpx.file.reserve),(unsigned char *)
670 Read DPX image header.
672 dpx.image.orientation=ReadBlobShort(image);
674 if (dpx.image.orientation != (unsigned short) (~0U))
675 (void) FormatImageProperty(image,"dpx:image.orientation","%d",
676 dpx.image.orientation);
677 switch (dpx.image.orientation)
680 case 0: image->orientation=TopLeftOrientation; break;
681 case 1: image->orientation=TopRightOrientation; break;
682 case 2: image->orientation=BottomLeftOrientation; break;
683 case 3: image->orientation=BottomRightOrientation; break;
684 case 4: image->orientation=LeftTopOrientation; break;
685 case 5: image->orientation=RightTopOrientation; break;
686 case 6: image->orientation=LeftBottomOrientation; break;
687 case 7: image->orientation=RightBottomOrientation; break;
689 dpx.image.number_elements=ReadBlobShort(image);
691 dpx.image.pixels_per_line=ReadBlobLong(image);
693 image->columns=dpx.image.pixels_per_line;
694 dpx.image.lines_per_element=ReadBlobLong(image);
696 image->rows=dpx.image.lines_per_element;
697 for (i=0; i < 8; i++)
699 dpx.image.image_element[i].data_sign=ReadBlobLong(image);
701 dpx.image.image_element[i].low_data=ReadBlobLong(image);
703 dpx.image.image_element[i].low_quantity=ReadBlobFloat(image);
705 dpx.image.image_element[i].high_data=ReadBlobLong(image);
707 dpx.image.image_element[i].high_quantity=ReadBlobFloat(image);
709 dpx.image.image_element[i].descriptor=(unsigned char) ReadBlobByte(image);
711 dpx.image.image_element[i].transfer=(unsigned char) ReadBlobByte(image);
713 dpx.image.image_element[i].colorimetric=(unsigned char) ReadBlobByte(image);
715 dpx.image.image_element[i].bit_size=(unsigned char) ReadBlobByte(image);
717 dpx.image.image_element[i].packing=ReadBlobShort(image);
719 dpx.image.image_element[i].encoding=ReadBlobShort(image);
721 dpx.image.image_element[i].data_offset=ReadBlobLong(image);
723 dpx.image.image_element[i].end_of_line_padding=ReadBlobLong(image);
725 dpx.image.image_element[i].end_of_image_padding=ReadBlobLong(image);
727 offset+=ReadBlob(image,sizeof(dpx.image.image_element[i].description),
728 (unsigned char *) dpx.image.image_element[i].description);
730 SetPrimaryChromaticity((DPXColorimetric)
731 dpx.image.image_element[0].colorimetric,&image->chromaticity);
732 offset+=ReadBlob(image,sizeof(dpx.image.reserve),(unsigned char *)
734 component_type=dpx.image.image_element[0].descriptor;
735 image->depth=dpx.image.image_element[0].bit_size;
736 if (dpx.file.image_offset >= 1664U)
739 Read DPX orientation header.
741 dpx.orientation.x_offset=ReadBlobLong(image);
743 if (dpx.orientation.x_offset != ~0U)
744 (void) FormatImageProperty(image,"dpx:orientation.x_offset","%u",
745 dpx.orientation.x_offset);
746 dpx.orientation.y_offset=ReadBlobLong(image);
748 if (dpx.orientation.y_offset != ~0U)
749 (void) FormatImageProperty(image,"dpx:orientation.y_offset","%u",
750 dpx.orientation.y_offset);
751 dpx.orientation.x_center=ReadBlobFloat(image);
753 if (IsFloatDefined(dpx.orientation.x_center) != MagickFalse)
754 (void) FormatImageProperty(image,"dpx:orientation.x_center","%g",
755 dpx.orientation.x_center);
756 dpx.orientation.y_center=ReadBlobFloat(image);
758 if (IsFloatDefined(dpx.orientation.y_center) != MagickFalse)
759 (void) FormatImageProperty(image,"dpx:orientation.y_center","%g",
760 dpx.orientation.y_center);
761 dpx.orientation.x_size=ReadBlobLong(image);
763 if (dpx.orientation.x_size != ~0U)
764 (void) FormatImageProperty(image,"dpx:orientation.x_size","%u",
765 dpx.orientation.x_size);
766 dpx.orientation.y_size=ReadBlobLong(image);
768 if (dpx.orientation.y_size != ~0U)
769 (void) FormatImageProperty(image,"dpx:orientation.y_size","%u",
770 dpx.orientation.y_size);
771 offset+=ReadBlob(image,sizeof(dpx.orientation.filename),(unsigned char *)
772 dpx.orientation.filename);
773 if (*dpx.orientation.filename != '\0')
774 (void) FormatImageProperty(image,"dpx:orientation.filename","%.100s",
775 dpx.orientation.filename);
776 offset+=ReadBlob(image,sizeof(dpx.orientation.timestamp),(unsigned char *)
777 dpx.orientation.timestamp);
778 if (*dpx.orientation.timestamp != '\0')
779 (void) FormatImageProperty(image,"dpx:orientation.timestamp","%.24s",
780 dpx.orientation.timestamp);
781 offset+=ReadBlob(image,sizeof(dpx.orientation.device),(unsigned char *)
782 dpx.orientation.device);
783 if (*dpx.orientation.device != '\0')
784 (void) FormatImageProperty(image,"dpx:orientation.device","%.32s",
785 dpx.orientation.device);
786 offset+=ReadBlob(image,sizeof(dpx.orientation.serial),(unsigned char *)
787 dpx.orientation.serial);
788 if (*dpx.orientation.serial != '\0')
789 (void) FormatImageProperty(image,"dpx:orientation.serial","%.32s",
790 dpx.orientation.serial);
791 for (i=0; i < 4; i++)
793 dpx.orientation.border[i]=ReadBlobShort(image);
796 if ((dpx.orientation.border[0] != (unsigned short) (~0U)) &&
797 (dpx.orientation.border[1] != (unsigned short) (~0U)))
798 (void) FormatImageProperty(image,"dpx:orientation.border","%dx%d%+d%+d", dpx.orientation.border[0],dpx.orientation.border[1],
799 dpx.orientation.border[2],dpx.orientation.border[3]);
800 for (i=0; i < 2; i++)
802 dpx.orientation.aspect_ratio[i]=ReadBlobLong(image);
805 if ((dpx.orientation.aspect_ratio[0] != ~0U) &&
806 (dpx.orientation.aspect_ratio[1] != ~0U))
807 (void) FormatImageProperty(image,"dpx:orientation.aspect_ratio",
808 "%ux%u",dpx.orientation.aspect_ratio[0],
809 dpx.orientation.aspect_ratio[1]);
810 offset+=ReadBlob(image,sizeof(dpx.orientation.reserve),(unsigned char *)
811 dpx.orientation.reserve);
813 if (dpx.file.image_offset >= 1920U)
816 Read DPX film header.
818 offset+=ReadBlob(image,sizeof(dpx.film.id),(unsigned char *) dpx.film.id);
819 if (*dpx.film.type != '\0')
820 (void) FormatImageProperty(image,"dpx:film.id","%.2s",dpx.film.id);
821 offset+=ReadBlob(image,sizeof(dpx.film.type),(unsigned char *)
823 if (*dpx.film.type != '\0')
824 (void) FormatImageProperty(image,"dpx:film.type","%.2s",dpx.film.type);
825 offset+=ReadBlob(image,sizeof(dpx.film.offset),(unsigned char *)
827 if (*dpx.film.offset != '\0')
828 (void) FormatImageProperty(image,"dpx:film.offset","%.2s",
830 offset+=ReadBlob(image,sizeof(dpx.film.prefix),(unsigned char *)
832 if (*dpx.film.prefix != '\0')
833 (void) FormatImageProperty(image,"dpx:film.prefix","%.6s",
835 offset+=ReadBlob(image,sizeof(dpx.film.count),(unsigned char *)
837 if (*dpx.film.count != '\0')
838 (void) FormatImageProperty(image,"dpx:film.count","%.4s",
840 offset+=ReadBlob(image,sizeof(dpx.film.format),(unsigned char *)
842 if (*dpx.film.format != '\0')
843 (void) FormatImageProperty(image,"dpx:film.format","%.4s",
845 dpx.film.frame_position=ReadBlobLong(image);
847 if (dpx.film.frame_position != ~0U)
848 (void) FormatImageProperty(image,"dpx:film.frame_position","%u",
849 dpx.film.frame_position);
850 dpx.film.sequence_extent=ReadBlobLong(image);
852 if (dpx.film.sequence_extent != ~0U)
853 (void) FormatImageProperty(image,"dpx:film.sequence_extent","%u",
854 dpx.film.sequence_extent);
855 dpx.film.held_count=ReadBlobLong(image);
857 if (dpx.film.held_count != ~0U)
858 (void) FormatImageProperty(image,"dpx:film.held_count","%u",
859 dpx.film.held_count);
860 dpx.film.frame_rate=ReadBlobFloat(image);
862 if (IsFloatDefined(dpx.film.frame_rate) != MagickFalse)
863 (void) FormatImageProperty(image,"dpx:film.frame_rate","%g",
864 dpx.film.frame_rate);
865 dpx.film.shutter_angle=ReadBlobFloat(image);
867 if (IsFloatDefined(dpx.film.shutter_angle) != MagickFalse)
868 (void) FormatImageProperty(image,"dpx:film.shutter_angle","%g",
869 dpx.film.shutter_angle);
870 offset+=ReadBlob(image,sizeof(dpx.film.frame_id),(unsigned char *)
872 if (*dpx.film.frame_id != '\0')
873 (void) FormatImageProperty(image,"dpx:film.frame_id","%.32s",
875 offset+=ReadBlob(image,sizeof(dpx.film.slate),(unsigned char *)
877 if (*dpx.film.slate != '\0')
878 (void) FormatImageProperty(image,"dpx:film.slate","%.100s",
880 offset+=ReadBlob(image,sizeof(dpx.film.reserve),(unsigned char *)
883 if (dpx.file.image_offset >= 2048U)
886 Read DPX television header.
888 dpx.television.time_code=(unsigned int) ReadBlobLong(image);
890 TimeCodeToString(dpx.television.time_code,value);
891 (void) SetImageProperty(image,"dpx:television.time.code",value);
892 dpx.television.user_bits=(unsigned int) ReadBlobLong(image);
894 TimeCodeToString(dpx.television.user_bits,value);
895 (void) SetImageProperty(image,"dpx:television.user.bits",value);
896 dpx.television.interlace=(unsigned char) ReadBlobByte(image);
898 if (dpx.television.interlace != 0)
899 (void) FormatImageProperty(image,"dpx:television.interlace","%.20g",
900 (double) dpx.television.interlace);
901 dpx.television.field_number=(unsigned char) ReadBlobByte(image);
903 if (dpx.television.field_number != 0)
904 (void) FormatImageProperty(image,"dpx:television.field_number","%.20g",
905 (double) dpx.television.field_number);
906 dpx.television.video_signal=(unsigned char) ReadBlobByte(image);
908 if (dpx.television.video_signal != 0)
909 (void) FormatImageProperty(image,"dpx:television.video_signal","%.20g",
910 (double) dpx.television.video_signal);
911 dpx.television.padding=(unsigned char) ReadBlobByte(image);
913 if (dpx.television.padding != 0)
914 (void) FormatImageProperty(image,"dpx:television.padding","%d",
915 dpx.television.padding);
916 dpx.television.horizontal_sample_rate=ReadBlobFloat(image);
918 if (IsFloatDefined(dpx.television.horizontal_sample_rate) != MagickFalse)
919 (void) FormatImageProperty(image,
920 "dpx:television.horizontal_sample_rate","%g",
921 dpx.television.horizontal_sample_rate);
922 dpx.television.vertical_sample_rate=ReadBlobFloat(image);
924 if (IsFloatDefined(dpx.television.vertical_sample_rate) != MagickFalse)
925 (void) FormatImageProperty(image,"dpx:television.vertical_sample_rate",
926 "%g",dpx.television.vertical_sample_rate);
927 dpx.television.frame_rate=ReadBlobFloat(image);
929 if (IsFloatDefined(dpx.television.frame_rate) != MagickFalse)
930 (void) FormatImageProperty(image,"dpx:television.frame_rate","%g",
931 dpx.television.frame_rate);
932 dpx.television.time_offset=ReadBlobFloat(image);
934 if (IsFloatDefined(dpx.television.time_offset) != MagickFalse)
935 (void) FormatImageProperty(image,"dpx:television.time_offset","%g",
936 dpx.television.time_offset);
937 dpx.television.gamma=ReadBlobFloat(image);
939 if (IsFloatDefined(dpx.television.gamma) != MagickFalse)
940 (void) FormatImageProperty(image,"dpx:television.gamma","%g",
941 dpx.television.gamma);
942 dpx.television.black_level=ReadBlobFloat(image);
944 if (IsFloatDefined(dpx.television.black_level) != MagickFalse)
945 (void) FormatImageProperty(image,"dpx:television.black_level","%g",
946 dpx.television.black_level);
947 dpx.television.black_gain=ReadBlobFloat(image);
949 if (IsFloatDefined(dpx.television.black_gain) != MagickFalse)
950 (void) FormatImageProperty(image,"dpx:television.black_gain","%g",
951 dpx.television.black_gain);
952 dpx.television.break_point=ReadBlobFloat(image);
954 if (IsFloatDefined(dpx.television.break_point) != MagickFalse)
955 (void) FormatImageProperty(image,"dpx:television.break_point","%g",
956 dpx.television.break_point);
957 dpx.television.white_level=ReadBlobFloat(image);
959 if (IsFloatDefined(dpx.television.white_level) != MagickFalse)
960 (void) FormatImageProperty(image,"dpx:television.white_level","%g",
961 dpx.television.white_level);
962 dpx.television.integration_times=ReadBlobFloat(image);
964 if (IsFloatDefined(dpx.television.integration_times) != MagickFalse)
965 (void) FormatImageProperty(image,"dpx:television.integration_times",
966 "%g",dpx.television.integration_times);
967 offset+=ReadBlob(image,sizeof(dpx.television.reserve),(unsigned char *)
968 dpx.television.reserve);
970 if (dpx.file.image_offset > 2080U)
973 Read DPX user header.
975 offset+=ReadBlob(image,sizeof(dpx.user.id),(unsigned char *) dpx.user.id);
976 if (*dpx.user.id != '\0')
977 (void) FormatImageProperty(image,"dpx:user.id","%.32s",dpx.user.id);
978 if ((dpx.file.user_size != ~0U) &&
979 ((size_t) dpx.file.user_size > sizeof(dpx.user.id)))
984 profile=AcquireStringInfo(dpx.file.user_size-sizeof(dpx.user.id));
985 offset+=ReadBlob(image,GetStringInfoLength(profile),
986 GetStringInfoDatum(profile));
987 (void) SetImageProfile(image,"dpx",profile);
988 profile=DestroyStringInfo(profile);
991 for ( ; offset < (MagickOffsetType) dpx.file.image_offset; offset++)
992 (void) ReadBlobByte(image);
994 Read DPX image header.
996 if (image_info->ping != MagickFalse)
998 (void) CloseBlob(image);
999 return(GetFirstImageInList(image));
1002 Convert DPX raster image to pixel packets.
1004 samples_per_pixel=1;
1005 quantum_type=GrayQuantum;
1006 switch (component_type)
1008 case CbYCrY422ComponentType:
1010 samples_per_pixel=2;
1011 quantum_type=CbYCrYQuantum;
1014 case CbYACrYA4224ComponentType:
1015 case CbYCr444ComponentType:
1017 samples_per_pixel=3;
1018 quantum_type=CbYCrQuantum;
1021 case RGBComponentType:
1023 samples_per_pixel=3;
1024 quantum_type=RGBQuantum;
1027 case ABGRComponentType:
1028 case RGBAComponentType:
1030 image->matte=MagickTrue;
1031 samples_per_pixel=4;
1032 quantum_type=RGBAQuantum;
1038 switch (component_type)
1040 case CbYCrY422ComponentType:
1041 case CbYACrYA4224ComponentType:
1042 case CbYCr444ComponentType:
1044 image->colorspace=Rec709YCbCrColorspace;
1047 case LumaComponentType:
1049 image->colorspace=RGBColorspace;
1054 image->colorspace=RGBColorspace;
1055 if (dpx.image.image_element[0].transfer == LogarithmicColorimetric)
1056 image->colorspace=LogColorspace;
1057 if (dpx.image.image_element[0].transfer == PrintingDensityColorimetric)
1058 image->colorspace=LogColorspace;
1062 extent=GetBytesPerRow(image->columns,samples_per_pixel,image->depth,
1063 dpx.image.image_element[0].packing == 0 ? MagickFalse : MagickTrue);
1065 DPX any-bit pixel format.
1069 quantum_info=AcquireQuantumInfo(image_info,image);
1070 if (quantum_info == (QuantumInfo *) NULL)
1071 ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
1072 SetQuantumQuantum(quantum_info,32);
1073 SetQuantumPack(quantum_info,dpx.image.image_element[0].packing == 0 ?
1074 MagickTrue : MagickFalse);
1075 for (y=0; y < (ssize_t) image->rows; y++)
1080 register PixelPacket
1093 if (status == MagickFalse)
1095 pixels=GetQuantumPixels(quantum_info);
1097 count=ReadBlob(image,extent,pixels);
1098 if ((image->progress_monitor != (MagickProgressMonitor) NULL) &&
1099 (image->previous == (Image *) NULL))
1104 proceed=SetImageProgress(image,LoadImageTag,(MagickOffsetType) row,
1106 if (proceed == MagickFalse)
1111 if (count != (ssize_t) extent)
1113 q=QueueAuthenticPixels(image,0,offset,image->columns,1,exception);
1114 if (q == (PixelPacket *) NULL)
1119 length=ImportQuantumPixels(image,(CacheView *) NULL,quantum_info,
1120 quantum_type,pixels,exception);
1122 sync=SyncAuthenticPixels(image,exception);
1123 if (sync == MagickFalse)
1126 quantum_info=DestroyQuantumInfo(quantum_info);
1127 if (status == MagickFalse)
1128 ThrowReaderException(CorruptImageError,"UnableToReadImageData");
1129 SetQuantumImageType(image,quantum_type);
1130 if (EOFBlob(image) != MagickFalse)
1131 ThrowFileException(exception,CorruptImageError,"UnexpectedEndOfFile",
1133 (void) CloseBlob(image);
1134 return(GetFirstImageInList(image));
1138 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1142 % R e g i s t e r D P X I m a g e %
1146 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1148 % RegisterDPXImage() adds properties for the DPX image format to
1149 % the list of supported formats. The properties include the image format
1150 % tag, a method to read and/or write the format, whether the format
1151 % supports the saving of more than one frame to the same file or blob,
1152 % whether the format supports native in-memory I/O, and a brief
1153 % description of the format.
1155 % The format of the RegisterDPXImage method is:
1157 % size_t RegisterDPXImage(void)
1160 ModuleExport size_t RegisterDPXImage(void)
1168 "Digital Moving Picture Exchange Bitmap, Version 2.0.\n"
1169 "See SMPTE 268M-2003 specification at http://www.smtpe.org\n"
1172 entry=SetMagickInfo("DPX");
1173 entry->decoder=(DecodeImageHandler *) ReadDPXImage;
1174 entry->encoder=(EncodeImageHandler *) WriteDPXImage;
1175 entry->magick=(IsImageFormatHandler *) IsDPX;
1176 entry->adjoin=MagickFalse;
1177 entry->description=ConstantString("SMPTE 268M-2003 (DPX 2.0)");
1178 entry->note=ConstantString(DPXNote);
1179 entry->module=ConstantString("DPX");
1180 (void) RegisterMagickInfo(entry);
1181 return(MagickImageCoderSignature);
1185 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1189 % U n r e g i s t e r D P X I m a g e %
1193 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1195 % UnregisterDPXImage() removes format registrations made by the
1196 % DPX module from the list of supported formats.
1198 % The format of the UnregisterDPXImage method is:
1200 % UnregisterDPXImage(void)
1203 ModuleExport void UnregisterDPXImage(void)
1205 (void) UnregisterMagickInfo("DPX");
1209 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1213 % W r i t e D P X I m a g e %
1217 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
1219 % WriteDPXImage() writes an image in DPX encoded image format.
1221 % The format of the WriteDPXImage method is:
1223 % MagickBooleanType WriteDPXImage(const ImageInfo *image_info,Image *image)
1225 % A description of each parameter follows.
1227 % o image_info: the image info.
1229 % o image: The image.
1233 static inline const char *GetDPXProperty(const ImageInfo *image_info,
1234 const Image *image,const char *property)
1239 value=GetImageOption(image_info,property);
1240 if (value != (const char *) NULL)
1242 return(GetImageProperty(image,property));
1245 static unsigned int StringToTimeCode(const char *key)
1260 for (i=0; (*key != 0) && (i < 11); i++)
1262 if (isxdigit((int) ((unsigned char) *key)) == 0)
1268 value|=(unsigned int) ((strtol(buffer,(char **) NULL,16)) << shift);
1274 static MagickBooleanType WriteDPXImage(const ImageInfo *image_info,Image *image)
1303 register const PixelPacket
1325 Open output image file.
1327 assert(image_info != (const ImageInfo *) NULL);
1328 assert(image_info->signature == MagickSignature);
1329 assert(image != (Image *) NULL);
1330 assert(image->signature == MagickSignature);
1331 if (image->debug != MagickFalse)
1332 (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
1333 horizontal_factor=4;
1335 if (image_info->sampling_factor != (char *) NULL)
1343 flags=ParseGeometry(image_info->sampling_factor,&geometry_info);
1344 horizontal_factor=(ssize_t) geometry_info.rho;
1345 vertical_factor=(ssize_t) geometry_info.sigma;
1346 if ((flags & SigmaValue) == 0)
1347 vertical_factor=horizontal_factor;
1348 if ((horizontal_factor != 1) && (horizontal_factor != 2) &&
1349 (horizontal_factor != 4) && (vertical_factor != 1) &&
1350 (vertical_factor != 2) && (vertical_factor != 4))
1351 ThrowWriterException(CorruptImageError,"UnexpectedSamplingFactor");
1353 if ((image->colorspace == YCbCrColorspace) &&
1354 ((horizontal_factor == 2) || (vertical_factor == 2)))
1355 if ((image->columns % 2) != 0)
1357 status=OpenBlob(image_info,image,WriteBinaryBlobMode,&image->exception);
1358 if (status == MagickFalse)
1363 (void) ResetMagickMemory(&dpx,0,sizeof(dpx));
1365 dpx.file.magic=0x53445058U;
1366 offset+=WriteBlobLong(image,dpx.file.magic);
1367 dpx.file.image_offset=0x2000U;
1368 profile=GetImageProfile(image,"dpx");
1369 if (profile != (StringInfo *) NULL)
1371 if (GetStringInfoLength(profile) > 1048576)
1372 ThrowWriterException(ImageError,"WidthOrHeightExceedsLimit");
1373 dpx.file.image_offset+=(unsigned int) GetStringInfoLength(profile);
1374 dpx.file.image_offset=(((dpx.file.image_offset+0x2000-1)/0x2000)*0x2000);
1376 offset+=WriteBlobLong(image,dpx.file.image_offset);
1377 (void) strncpy(dpx.file.version,"V2.0",sizeof(dpx.file.version));
1378 offset+=WriteBlob(image,8,(unsigned char *) &dpx.file.version);
1379 dpx.file.file_size=(unsigned int) (4U*image->columns*image->rows+
1380 dpx.file.image_offset);
1381 offset+=WriteBlobLong(image,dpx.file.file_size);
1382 dpx.file.ditto_key=1U; /* new frame */
1383 offset+=WriteBlobLong(image,dpx.file.ditto_key);
1384 dpx.file.generic_size=0x00000680U;
1385 offset+=WriteBlobLong(image,dpx.file.generic_size);
1386 dpx.file.industry_size=0x00000180U;
1387 offset+=WriteBlobLong(image,dpx.file.industry_size);
1388 dpx.file.user_size=0;
1389 if (profile != (StringInfo *) NULL)
1391 dpx.file.user_size+=(unsigned int) GetStringInfoLength(profile);
1392 dpx.file.user_size=(((dpx.file.user_size+0x2000-1)/0x2000)*0x2000);
1394 offset+=WriteBlobLong(image,dpx.file.user_size);
1395 value=GetDPXProperty(image_info,image,"dpx:file.filename");
1396 if (value != (const char *) NULL)
1397 (void) strncpy(dpx.file.filename,value,sizeof(dpx.file.filename));
1398 offset+=WriteBlob(image,sizeof(dpx.file.filename),(unsigned char *)
1400 seconds=time((time_t *) NULL);
1401 (void) FormatMagickTime(seconds,sizeof(dpx.file.timestamp),
1402 dpx.file.timestamp);
1403 offset+=WriteBlob(image,sizeof(dpx.file.timestamp),(unsigned char *)
1404 dpx.file.timestamp);
1405 (void) strncpy(dpx.file.creator,GetMagickVersion((size_t *) NULL),
1406 sizeof(dpx.file.creator));
1407 value=GetDPXProperty(image_info,image,"dpx:file.creator");
1408 if (value != (const char *) NULL)
1409 (void) strncpy(dpx.file.creator,value,sizeof(dpx.file.creator));
1410 offset+=WriteBlob(image,sizeof(dpx.file.creator),(unsigned char *)
1412 value=GetDPXProperty(image_info,image,"dpx:file.project");
1413 if (value != (const char *) NULL)
1414 (void) strncpy(dpx.file.project,value,sizeof(dpx.file.project));
1415 offset+=WriteBlob(image,sizeof(dpx.file.project),(unsigned char *)
1417 value=GetDPXProperty(image_info,image,"dpx:file.copyright");
1418 if (value != (const char *) NULL)
1419 (void) strncpy(dpx.file.copyright,value,
1420 sizeof(dpx.file.copyright));
1421 offset+=WriteBlob(image,sizeof(dpx.file.copyright),(unsigned char *)
1422 dpx.file.copyright);
1423 dpx.file.encrypt_key=(~0U);
1424 offset+=WriteBlobLong(image,dpx.file.encrypt_key);
1425 offset+=WriteBlob(image,sizeof(dpx.file.reserve),(unsigned char *)
1430 dpx.image.orientation=0x00; /* left-to-right; top-to-bottom */
1431 offset+=WriteBlobShort(image,dpx.image.orientation);
1432 dpx.image.number_elements=1;
1433 offset+=WriteBlobShort(image,dpx.image.number_elements);
1434 if ((image->columns != (unsigned int) image->columns) ||
1435 (image->rows != (unsigned int) image->rows))
1436 ThrowWriterException(ImageError,"WidthOrHeightExceedsLimit");
1437 offset+=WriteBlobLong(image,(unsigned int) image->columns);
1438 offset+=WriteBlobLong(image,(unsigned int) image->rows);
1439 for (i=0; i < 8; i++)
1441 dpx.image.image_element[i].data_sign=0U;
1442 offset+=WriteBlobLong(image,dpx.image.image_element[i].data_sign);
1443 dpx.image.image_element[i].low_data=0U;
1444 offset+=WriteBlobLong(image,dpx.image.image_element[i].low_data);
1445 dpx.image.image_element[i].low_quantity=0.0f;
1446 offset+=WriteBlobFloat(image,dpx.image.image_element[i].low_quantity);
1447 dpx.image.image_element[i].high_data=0U;
1448 offset+=WriteBlobLong(image,dpx.image.image_element[i].high_data);
1449 dpx.image.image_element[i].high_quantity=0.0f;
1450 offset+=WriteBlobFloat(image,dpx.image.image_element[i].high_quantity);
1451 dpx.image.image_element[i].descriptor=0;
1453 switch (image->colorspace)
1455 case Rec601YCbCrColorspace:
1456 case Rec709YCbCrColorspace:
1457 case YCbCrColorspace:
1459 dpx.image.image_element[i].descriptor=CbYCr444ComponentType;
1460 if (image->matte != MagickFalse)
1461 dpx.image.image_element[i].descriptor=CbYCrA4444ComponentType;
1466 dpx.image.image_element[i].descriptor=RGBComponentType;
1467 if (image->matte != MagickFalse)
1468 dpx.image.image_element[i].descriptor=RGBAComponentType;
1469 if ((image_info->type != TrueColorType) &&
1470 (image->matte == MagickFalse) &&
1471 (IsGrayImage(image,&image->exception) != MagickFalse))
1472 dpx.image.image_element[i].descriptor=LumaComponentType;
1476 offset+=WriteBlobByte(image,dpx.image.image_element[i].descriptor);
1477 dpx.image.image_element[i].transfer=0;
1478 if (image->colorspace == LogColorspace)
1479 dpx.image.image_element[0].transfer=PrintingDensityColorimetric;
1480 offset+=WriteBlobByte(image,dpx.image.image_element[i].transfer);
1481 dpx.image.image_element[i].colorimetric=0;
1482 offset+=WriteBlobByte(image,dpx.image.image_element[i].colorimetric);
1483 dpx.image.image_element[i].bit_size=0;
1485 dpx.image.image_element[i].bit_size=(unsigned char) image->depth;
1486 offset+=WriteBlobByte(image,dpx.image.image_element[i].bit_size);
1487 dpx.image.image_element[i].packing=0;
1488 if ((image->depth == 10) || (image->depth == 12))
1489 dpx.image.image_element[i].packing=1;
1490 offset+=WriteBlobShort(image,dpx.image.image_element[i].packing);
1491 dpx.image.image_element[i].encoding=0;
1492 offset+=WriteBlobShort(image,dpx.image.image_element[i].encoding);
1493 dpx.image.image_element[i].data_offset=0U;
1495 dpx.image.image_element[i].data_offset=dpx.file.image_offset;
1496 offset+=WriteBlobLong(image,dpx.image.image_element[i].data_offset);
1497 dpx.image.image_element[i].end_of_line_padding=0U;
1498 offset+=WriteBlobLong(image,dpx.image.image_element[i].end_of_line_padding);
1499 offset+=WriteBlobLong(image,
1500 dpx.image.image_element[i].end_of_image_padding);
1501 offset+=WriteBlob(image,sizeof(dpx.image.image_element[i].description),
1502 (unsigned char *) dpx.image.image_element[i].description);
1504 offset+=WriteBlob(image,sizeof(dpx.image.reserve),(unsigned char *)
1507 Write orientation header.
1509 if ((image->rows != image->magick_rows) ||
1510 (image->columns != image->magick_columns))
1513 These properties are not valid if image size changed.
1515 (void) DeleteImageProperty(image,"dpx:orientation.x_offset");
1516 (void) DeleteImageProperty(image,"dpx:orientation.y_offset");
1517 (void) DeleteImageProperty(image,"dpx:orientation.x_center");
1518 (void) DeleteImageProperty(image,"dpx:orientation.y_center");
1519 (void) DeleteImageProperty(image,"dpx:orientation.x_size");
1520 (void) DeleteImageProperty(image,"dpx:orientation.y_size");
1522 dpx.orientation.x_offset=0U;
1523 value=GetDPXProperty(image_info,image,"dpx:orientation.x_offset");
1524 if (value != (const char *) NULL)
1525 dpx.orientation.x_offset=(unsigned int) StringToUnsignedLong(value);
1526 offset+=WriteBlobLong(image,dpx.orientation.x_offset);
1527 dpx.orientation.y_offset=0U;
1528 value=GetDPXProperty(image_info,image,"dpx:orientation.y_offset");
1529 if (value != (const char *) NULL)
1530 dpx.orientation.y_offset=(unsigned int) StringToUnsignedLong(value);
1531 offset+=WriteBlobLong(image,dpx.orientation.y_offset);
1532 dpx.orientation.x_center=0.0f;
1533 value=GetDPXProperty(image_info,image,"dpx:orientation.x_center");
1534 if (value != (const char *) NULL)
1535 dpx.orientation.x_center=StringToDouble(value);
1536 offset+=WriteBlobFloat(image,dpx.orientation.x_center);
1537 dpx.orientation.y_center=0.0f;
1538 value=GetDPXProperty(image_info,image,"dpx:orientation.y_center");
1539 if (value != (const char *) NULL)
1540 dpx.orientation.y_center=StringToDouble(value);
1541 offset+=WriteBlobFloat(image,dpx.orientation.y_center);
1542 dpx.orientation.x_size=0U;
1543 value=GetDPXProperty(image_info,image,"dpx:orientation.x_size");
1544 if (value != (const char *) NULL)
1545 dpx.orientation.x_size=(unsigned int) StringToUnsignedLong(value);
1546 offset+=WriteBlobLong(image,dpx.orientation.x_size);
1547 dpx.orientation.y_size=0U;
1548 value=GetDPXProperty(image_info,image,"dpx:orientation.y_size");
1549 if (value != (const char *) NULL)
1550 dpx.orientation.y_size=(unsigned int) StringToUnsignedLong(value);
1551 offset+=WriteBlobLong(image,dpx.orientation.y_size);
1552 value=GetDPXProperty(image_info,image,"dpx:orientation.filename");
1553 if (value != (const char *) NULL)
1554 (void) strncpy(dpx.orientation.filename,value,
1555 sizeof(dpx.orientation.filename));
1556 offset+=WriteBlob(image,sizeof(dpx.orientation.filename),(unsigned char *)
1557 dpx.orientation.filename);
1558 offset+=WriteBlob(image,sizeof(dpx.orientation.timestamp),(unsigned char *)
1559 dpx.orientation.timestamp);
1560 value=GetDPXProperty(image_info,image,"dpx:orientation.device");
1561 if (value != (const char *) NULL)
1562 (void) strncpy(dpx.orientation.device,value,sizeof(dpx.orientation.device));
1563 offset+=WriteBlob(image,sizeof(dpx.orientation.device),(unsigned char *)
1564 dpx.orientation.device);
1565 value=GetDPXProperty(image_info,image,"dpx:orientation.serial");
1566 if (value != (const char *) NULL)
1567 (void) strncpy(dpx.orientation.serial,value,sizeof(dpx.orientation.serial));
1568 offset+=WriteBlob(image,sizeof(dpx.orientation.serial),(unsigned char *)
1569 dpx.orientation.serial);
1570 for (i=0; i < 4; i++)
1571 dpx.orientation.border[i]=0;
1572 value=GetDPXProperty(image_info,image,"dpx:orientation.border");
1573 if (value != (const char *) NULL)
1575 flags=ParseGeometry(value,&geometry_info);
1576 if ((flags & SigmaValue) == 0)
1577 geometry_info.sigma=geometry_info.rho;
1578 dpx.orientation.border[0]=(unsigned short) (geometry_info.rho+0.5);
1579 dpx.orientation.border[1]=(unsigned short) (geometry_info.sigma+0.5);
1580 dpx.orientation.border[2]=(unsigned short) (geometry_info.xi+0.5);
1581 dpx.orientation.border[3]=(unsigned short) (geometry_info.psi+0.5);
1583 for (i=0; i < 4; i++)
1584 offset+=WriteBlobShort(image,dpx.orientation.border[i]);
1585 for (i=0; i < 2; i++)
1586 dpx.orientation.aspect_ratio[i]=0U;
1587 value=GetDPXProperty(image_info,image,"dpx:orientation.aspect_ratio");
1588 if (value != (const char *) NULL)
1590 flags=ParseGeometry(value,&geometry_info);
1591 if ((flags & SigmaValue) == 0)
1592 geometry_info.sigma=geometry_info.rho;
1593 dpx.orientation.aspect_ratio[0]=(unsigned int) (geometry_info.rho+0.5);
1594 dpx.orientation.aspect_ratio[1]=(unsigned int) (geometry_info.sigma+0.5);
1596 for (i=0; i < 2; i++)
1597 offset+=WriteBlobLong(image,dpx.orientation.aspect_ratio[i]);
1598 offset+=WriteBlob(image,sizeof(dpx.orientation.reserve),(unsigned char *)
1599 dpx.orientation.reserve);
1604 value=GetDPXProperty(image_info,image,"dpx:film.id");
1605 if (value != (const char *) NULL)
1606 (void) strncpy(dpx.film.id,value,sizeof(dpx.film.id));
1607 offset+=WriteBlob(image,sizeof(dpx.film.id),(unsigned char *) dpx.film.id);
1608 *dpx.film.type='\0';
1609 value=GetDPXProperty(image_info,image,"dpx:film.type");
1610 if (value != (const char *) NULL)
1611 (void) strncpy(dpx.film.type,value,sizeof(dpx.film.type));
1612 offset+=WriteBlob(image,sizeof(dpx.film.type),(unsigned char *)
1614 *dpx.film.offset='\0';
1615 value=GetDPXProperty(image_info,image,"dpx:film.offset");
1616 if (value != (const char *) NULL)
1617 (void) strncpy(dpx.film.offset,value,sizeof(dpx.film.offset));
1618 offset+=WriteBlob(image,sizeof(dpx.film.offset),(unsigned char *)
1620 *dpx.film.prefix='\0';
1621 value=GetDPXProperty(image_info,image,"dpx:film.prefix");
1622 if (value != (const char *) NULL)
1623 (void) strncpy(dpx.film.prefix,value,sizeof(dpx.film.prefix));
1624 offset+=WriteBlob(image,sizeof(dpx.film.prefix),(unsigned char *)
1626 *dpx.film.count='\0';
1627 value=GetDPXProperty(image_info,image,"dpx:film.count");
1628 if (value != (const char *) NULL)
1629 (void) strncpy(dpx.film.count,value,sizeof(dpx.film.count));
1630 offset+=WriteBlob(image,sizeof(dpx.film.count),(unsigned char *)
1632 *dpx.film.format='\0';
1633 value=GetDPXProperty(image_info,image,"dpx:film.format");
1634 if (value != (const char *) NULL)
1635 (void) strncpy(dpx.film.format,value,sizeof(dpx.film.format));
1636 offset+=WriteBlob(image,sizeof(dpx.film.format),(unsigned char *)
1638 dpx.film.frame_position=0U;
1639 value=GetDPXProperty(image_info,image,"dpx:film.frame_position");
1640 if (value != (const char *) NULL)
1641 dpx.film.frame_position=(unsigned int) StringToUnsignedLong(value);
1642 offset+=WriteBlobLong(image,dpx.film.frame_position);
1643 dpx.film.sequence_extent=0U;
1644 value=GetDPXProperty(image_info,image,"dpx:film.sequence_extent");
1645 if (value != (const char *) NULL)
1646 dpx.film.sequence_extent=(unsigned int) StringToUnsignedLong(value);
1647 offset+=WriteBlobLong(image,dpx.film.sequence_extent);
1648 dpx.film.held_count=0U;
1649 value=GetDPXProperty(image_info,image,"dpx:film.held_count");
1650 if (value != (const char *) NULL)
1651 dpx.film.held_count=(unsigned int) StringToUnsignedLong(value);
1652 offset+=WriteBlobLong(image,dpx.film.held_count);
1653 dpx.film.frame_rate=0.0f;
1654 value=GetDPXProperty(image_info,image,"dpx:film.frame_rate");
1655 if (value != (const char *) NULL)
1656 dpx.film.frame_rate=StringToDouble(value);
1657 offset+=WriteBlobFloat(image,dpx.film.frame_rate);
1658 dpx.film.shutter_angle=0.0f;
1659 value=GetDPXProperty(image_info,image,"dpx:film.shutter_angle");
1660 if (value != (const char *) NULL)
1661 dpx.film.shutter_angle=StringToDouble(value);
1662 offset+=WriteBlobFloat(image,dpx.film.shutter_angle);
1663 *dpx.film.frame_id='\0';
1664 value=GetDPXProperty(image_info,image,"dpx:film.frame_id");
1665 if (value != (const char *) NULL)
1666 (void) strncpy(dpx.film.frame_id,value,sizeof(dpx.film.frame_id));
1667 offset+=WriteBlob(image,sizeof(dpx.film.frame_id),(unsigned char *)
1669 value=GetDPXProperty(image_info,image,"dpx:film.slate");
1670 if (value != (const char *) NULL)
1671 (void) strncpy(dpx.film.slate,value,sizeof(dpx.film.slate));
1672 offset+=WriteBlob(image,sizeof(dpx.film.slate),(unsigned char *)
1674 offset+=WriteBlob(image,sizeof(dpx.film.reserve),(unsigned char *)
1677 Write television header.
1679 value=GetDPXProperty(image_info,image,"dpx:television.time.code");
1680 if (value != (const char *) NULL)
1681 dpx.television.time_code=StringToTimeCode(value);
1682 offset+=WriteBlobLong(image,dpx.television.time_code);
1683 value=GetDPXProperty(image_info,image,"dpx:television.user.bits");
1684 if (value != (const char *) NULL)
1685 dpx.television.user_bits=StringToTimeCode(value);
1686 offset+=WriteBlobLong(image,dpx.television.user_bits);
1687 value=GetDPXProperty(image_info,image,"dpx:television.interlace");
1688 if (value != (const char *) NULL)
1689 dpx.television.interlace=(unsigned char) StringToLong(value);
1690 offset+=WriteBlobByte(image,dpx.television.interlace);
1691 value=GetDPXProperty(image_info,image,"dpx:television.field_number");
1692 if (value != (const char *) NULL)
1693 dpx.television.field_number=(unsigned char) StringToLong(value);
1694 offset+=WriteBlobByte(image,dpx.television.field_number);
1695 dpx.television.video_signal=0;
1696 value=GetDPXProperty(image_info,image,"dpx:television.video_signal");
1697 if (value != (const char *) NULL)
1698 dpx.television.video_signal=(unsigned char) StringToLong(value);
1699 offset+=WriteBlobByte(image,dpx.television.video_signal);
1700 dpx.television.padding=0;
1701 value=GetDPXProperty(image_info,image,"dpx:television.padding");
1702 if (value != (const char *) NULL)
1703 dpx.television.padding=(unsigned char) StringToLong(value);
1704 offset+=WriteBlobByte(image,dpx.television.padding);
1705 dpx.television.horizontal_sample_rate=0.0f;
1706 value=GetDPXProperty(image_info,image,
1707 "dpx:television.horizontal_sample_rate");
1708 if (value != (const char *) NULL)
1709 dpx.television.horizontal_sample_rate=StringToDouble(value);
1710 offset+=WriteBlobFloat(image,dpx.television.horizontal_sample_rate);
1711 dpx.television.vertical_sample_rate=0.0f;
1712 value=GetDPXProperty(image_info,image,"dpx:television.vertical_sample_rate");
1713 if (value != (const char *) NULL)
1714 dpx.television.vertical_sample_rate=StringToDouble(value);
1715 offset+=WriteBlobFloat(image,dpx.television.vertical_sample_rate);
1716 dpx.television.frame_rate=0.0f;
1717 value=GetDPXProperty(image_info,image,"dpx:television.frame_rate");
1718 if (value != (const char *) NULL)
1719 dpx.television.frame_rate=StringToDouble(value);
1720 offset+=WriteBlobFloat(image,dpx.television.frame_rate);
1721 dpx.television.time_offset=0.0f;
1722 value=GetDPXProperty(image_info,image,"dpx:television.time_offset");
1723 if (value != (const char *) NULL)
1724 dpx.television.time_offset=StringToDouble(value);
1725 offset+=WriteBlobFloat(image,dpx.television.time_offset);
1726 dpx.television.gamma=0.0f;
1727 value=GetDPXProperty(image_info,image,"dpx:television.gamma");
1728 if (value != (const char *) NULL)
1729 dpx.television.gamma=StringToDouble(value);
1730 offset+=WriteBlobFloat(image,dpx.television.gamma);
1731 dpx.television.black_level=0.0f;
1732 value=GetDPXProperty(image_info,image,"dpx:television.black_level");
1733 if (value != (const char *) NULL)
1734 dpx.television.black_level=StringToDouble(value);
1735 offset+=WriteBlobFloat(image,dpx.television.black_level);
1736 dpx.television.black_gain=0.0f;
1737 value=GetDPXProperty(image_info,image,"dpx:television.black_gain");
1738 if (value != (const char *) NULL)
1739 dpx.television.black_gain=StringToDouble(value);
1740 offset+=WriteBlobFloat(image,dpx.television.black_gain);
1741 dpx.television.break_point=0.0f;
1742 value=GetDPXProperty(image_info,image,"dpx:television.break_point");
1743 if (value != (const char *) NULL)
1744 dpx.television.break_point=StringToDouble(value);
1745 offset+=WriteBlobFloat(image,dpx.television.break_point);
1746 dpx.television.white_level=0.0f;
1747 value=GetDPXProperty(image_info,image,"dpx:television.white_level");
1748 if (value != (const char *) NULL)
1749 dpx.television.white_level=StringToDouble(value);
1750 offset+=WriteBlobFloat(image,dpx.television.white_level);
1751 dpx.television.integration_times=0.0f;
1752 value=GetDPXProperty(image_info,image,"dpx:television.integration_times");
1753 if (value != (const char *) NULL)
1754 dpx.television.integration_times=StringToDouble(value);
1755 offset+=WriteBlobFloat(image,dpx.television.integration_times);
1756 offset+=WriteBlob(image,sizeof(dpx.television.reserve),(unsigned char *)
1757 dpx.television.reserve);
1761 value=GetDPXProperty(image_info,image,"dpx:user.id");
1762 if (value != (const char *) NULL)
1763 (void) strncpy(dpx.user.id,value,sizeof(dpx.user.id));
1764 offset+=WriteBlob(image,sizeof(dpx.user.id),(unsigned char *) dpx.user.id);
1765 if (profile != (StringInfo *) NULL)
1766 offset+=WriteBlob(image,GetStringInfoLength(profile),
1767 GetStringInfoDatum(profile));
1768 while (offset < (MagickOffsetType) dpx.image.image_element[0].data_offset)
1770 count=WriteBlobByte(image,0x00);
1773 ThrowFileException(&image->exception,FileOpenError,"UnableToWriteFile",
1780 Convert pixel packets to DPX raster image.
1782 quantum_info=AcquireQuantumInfo(image_info,image);
1783 SetQuantumQuantum(quantum_info,32);
1784 SetQuantumPack(quantum_info,dpx.image.image_element[0].packing == 0 ?
1785 MagickTrue : MagickFalse);
1786 quantum_type=RGBQuantum;
1787 if (image->matte != MagickFalse)
1788 quantum_type=RGBAQuantum;
1789 if (image->colorspace == YCbCrColorspace)
1791 quantum_type=CbYCrQuantum;
1792 if (image->matte != MagickFalse)
1793 quantum_type=CbYCrAQuantum;
1794 if ((horizontal_factor == 2) || (vertical_factor == 2))
1795 quantum_type=CbYCrYQuantum;
1797 extent=GetBytesPerRow(image->columns,image->matte != MagickFalse ? 4UL : 3UL,
1798 image->depth,MagickTrue);
1799 if ((image_info->type != UndefinedType) &&
1800 (image_info->type != TrueColorType) && (image->matte == MagickFalse) &&
1801 (IsGrayImage(image,&image->exception) != MagickFalse))
1803 quantum_type=GrayQuantum;
1804 extent=GetBytesPerRow(image->columns,1UL,image->depth,MagickTrue);
1806 pixels=GetQuantumPixels(quantum_info);
1807 for (y=0; y < (ssize_t) image->rows; y++)
1809 p=GetVirtualPixels(image,0,y,image->columns,1,&image->exception);
1810 if (p == (const PixelPacket *) NULL)
1812 (void) ExportQuantumPixels(image,(const CacheView *) NULL,quantum_info,
1813 quantum_type,pixels,&image->exception);
1814 count=WriteBlob(image,extent,pixels);
1815 if (count != (ssize_t) extent)
1817 status=SetImageProgress(image,SaveImageTag,(MagickOffsetType) y,
1819 if (status == MagickFalse)
1822 quantum_info=DestroyQuantumInfo(quantum_info);
1823 (void) CloseBlob(image);