/* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % DDDD PPPP X X % % D D P P X X % % D D PPPP XXX % % D D P X X % % DDDD P X X % % % % % % Read/Write SMTPE DPX Image Format % % % % Software Design % % Cristy % % March 2001 % % % % % % Copyright 1999-2021 ImageMagick Studio LLC, a non-profit organization % % dedicated to making software imaging solutions freely available. % % % % You may not use this file except in compliance with the License. You may % % obtain a copy of the License at % % % % https://imagemagick.org/script/license.php % % % % Unless required by applicable law or agreed to in writing, software % % distributed under the License is distributed on an "AS IS" BASIS, % % WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. % % See the License for the specific language governing permissions and % % limitations under the License. % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % */ /* Include declarations. */ #include "magick/studio.h" #include "magick/artifact.h" #include "magick/attribute.h" #include "magick/blob.h" #include "magick/blob-private.h" #include "magick/cache.h" #include "magick/colorspace.h" #include "magick/colorspace-private.h" #include "magick/exception.h" #include "magick/exception-private.h" #include "magick/geometry.h" #include "magick/image.h" #include "magick/image-private.h" #include "magick/list.h" #include "magick/magick.h" #include "magick/memory_.h" #include "magick/module.h" #include "magick/monitor.h" #include "magick/monitor-private.h" #include "magick/option.h" #include "magick/pixel-accessor.h" #include "magick/profile.h" #include "magick/property.h" #include "magick/quantum-private.h" #include "magick/static.h" #include "magick/string_.h" #include "magick/string-private.h" #include "magick/timer-private.h" /* Define declaration. */ #define MaxNumberImageElements 8 /* Typedef declaration. */ typedef enum { UserDefinedColorimetric = 0, PrintingDensityColorimetric = 1, LinearColorimetric = 2, LogarithmicColorimetric = 3, UnspecifiedVideoColorimetric = 4, SMTPE_274MColorimetric = 5, ITU_R709Colorimetric = 6, ITU_R601_625LColorimetric = 7, ITU_R601_525LColorimetric = 8, NTSCCompositeVideoColorimetric = 9, PALCompositeVideoColorimetric = 10, ZDepthLinearColorimetric = 11, DepthHomogeneousColorimetric = 12 } DPXColorimetric; typedef enum { UndefinedComponentType = 0, RedComponentType = 1, GreenComponentType = 2, BlueComponentType = 3, AlphaComponentType = 4, LumaComponentType = 6, ColorDifferenceCbCrComponentType = 7, DepthComponentType = 8, CompositeVideoComponentType = 9, RGBComponentType = 50, RGBAComponentType = 51, ABGRComponentType = 52, CbYCrY422ComponentType = 100, CbYACrYA4224ComponentType = 101, CbYCr444ComponentType = 102, CbYCrA4444ComponentType = 103, UserDef2ElementComponentType = 150, UserDef3ElementComponentType = 151, UserDef4ElementComponentType = 152, UserDef5ElementComponentType = 153, UserDef6ElementComponentType = 154, UserDef7ElementComponentType = 155, UserDef8ElementComponentType = 156 } DPXComponentType; typedef enum { TransferCharacteristicUserDefined = 0, TransferCharacteristicPrintingDensity = 1, TransferCharacteristicLinear = 2, TransferCharacteristicLogarithmic = 3, TransferCharacteristicUnspecifiedVideo = 4, TransferCharacteristicSMTPE274M = 5, /* 1920x1080 TV */ TransferCharacteristicITU_R709 = 6, /* ITU R709 */ TransferCharacteristicITU_R601_625L = 7, /* 625 Line */ TransferCharacteristicITU_R601_525L = 8, /* 525 Line */ TransferCharacteristicNTSCCompositeVideo = 9, TransferCharacteristicPALCompositeVideo = 10, TransferCharacteristicZDepthLinear = 11, TransferCharacteristicZDepthHomogeneous = 12 } DPXTransferCharacteristic; typedef struct _DPXFileInfo { unsigned int magic, image_offset; char version[8]; unsigned int file_size, ditto_key, generic_size, industry_size, user_size; char filename[100], timestamp[24], creator[100], project[200], copyright[200]; unsigned int encrypt_key; char reserve[104]; } DPXFileInfo; typedef struct _DPXFilmInfo { char id[2], type[2], offset[2], prefix[6], count[4], format[32]; unsigned int frame_position, sequence_extent, held_count; float frame_rate, shutter_angle; char frame_id[32], slate[100], reserve[56]; } DPXFilmInfo; typedef struct _DPXImageElement { unsigned int data_sign, low_data; float low_quantity; unsigned int high_data; float high_quantity; unsigned char descriptor, transfer_characteristic, colorimetric, bit_size; unsigned short packing, encoding; unsigned int data_offset, end_of_line_padding, end_of_image_padding; unsigned char description[32]; } DPXImageElement; typedef struct _DPXImageInfo { unsigned short orientation, number_elements; unsigned int pixels_per_line, lines_per_element; DPXImageElement image_element[MaxNumberImageElements]; unsigned char reserve[52]; } DPXImageInfo; typedef struct _DPXOrientationInfo { unsigned int x_offset, y_offset; float x_center, y_center; unsigned int x_size, y_size; char filename[100], timestamp[24], device[32], serial[32]; unsigned short border[4]; unsigned int aspect_ratio[2]; unsigned char reserve[28]; } DPXOrientationInfo; typedef struct _DPXTelevisionInfo { unsigned int time_code, user_bits; unsigned char interlace, field_number, video_signal, padding; float horizontal_sample_rate, vertical_sample_rate, frame_rate, time_offset, gamma, black_level, black_gain, break_point, white_level, integration_times; char reserve[76]; } DPXTelevisionInfo; typedef struct _DPXUserInfo { char id[32]; } DPXUserInfo; typedef struct DPXInfo { DPXFileInfo file; DPXImageInfo image; DPXOrientationInfo orientation; DPXFilmInfo film; DPXTelevisionInfo television; DPXUserInfo user; } DPXInfo; /* Forward declaractions. */ static MagickBooleanType WriteDPXImage(const ImageInfo *,Image *); /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % I s D P X % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % IsDPX() returns MagickTrue if the image format type, identified by the % magick string, is DPX. % % The format of the IsDPX method is: % % MagickBooleanType IsDPX(const unsigned char *magick,const size_t extent) % % A description of each parameter follows: % % o magick: compare image format pattern against these bytes. % % o extent: Specifies the extent of the magick string. % */ static MagickBooleanType IsDPX(const unsigned char *magick,const size_t extent) { if (extent < 4) return(MagickFalse); if (memcmp(magick,"SDPX",4) == 0) return(MagickTrue); if (memcmp(magick,"XPDS",4) == 0) return(MagickTrue); return(MagickFalse); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % R e a d D P X I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % ReadDPXImage() reads an DPX X image file and returns it. It % allocates the memory necessary for the new Image structure and returns a % pointer to the new image. % % The format of the ReadDPXImage method is: % % Image *ReadDPXImage(const ImageInfo *image_info,ExceptionInfo *exception) % % A description of each parameter follows: % % o image_info: the image info. % % o exception: return any errors or warnings in this structure. % */ static size_t GetBytesPerRow(const size_t columns, const size_t samples_per_pixel,const size_t bits_per_pixel, const MagickBooleanType pad) { size_t bytes_per_row; switch (bits_per_pixel) { case 1: { bytes_per_row=4*(((size_t) samples_per_pixel*columns*bits_per_pixel+31)/ 32); break; } case 8: default: { bytes_per_row=4*(((size_t) samples_per_pixel*columns*bits_per_pixel+31)/ 32); break; } case 10: { if (pad == MagickFalse) { bytes_per_row=4*(((size_t) samples_per_pixel*columns*bits_per_pixel+ 31)/32); break; } bytes_per_row=4*(((size_t) (32*((samples_per_pixel*columns+2)/3))+31)/32); break; } case 12: { if (pad == MagickFalse) { bytes_per_row=4*(((size_t) samples_per_pixel*columns*bits_per_pixel+ 31)/32); break; } bytes_per_row=2*(((size_t) (16*samples_per_pixel*columns)+15)/16); break; } case 16: { if (pad == MagickFalse) { bytes_per_row=2*(((size_t) samples_per_pixel*columns*bits_per_pixel+ 15)/16); break; } bytes_per_row=4*(((size_t) samples_per_pixel*columns*bits_per_pixel+31)/ 32); break; } case 32: { bytes_per_row=4*(((size_t) samples_per_pixel*columns*bits_per_pixel+31)/ 32); break; } case 64: { bytes_per_row=8*(((size_t) samples_per_pixel*columns*bits_per_pixel+63)/ 64); break; } } return(bytes_per_row); } static const char *GetImageTransferCharacteristic( const DPXTransferCharacteristic characteristic) { const char *transfer; /* Get the element transfer characteristic. */ switch(characteristic) { case TransferCharacteristicUserDefined: { transfer="UserDefined"; break; } case TransferCharacteristicPrintingDensity: { transfer="PrintingDensity"; break; } case TransferCharacteristicLinear: { transfer="Linear"; break; } case TransferCharacteristicLogarithmic: { transfer="Logarithmic"; break; } case TransferCharacteristicUnspecifiedVideo: { transfer="UnspecifiedVideo"; break; } case TransferCharacteristicSMTPE274M: { transfer="SMTPE274M"; break; } case TransferCharacteristicITU_R709: { transfer="ITU-R709"; break; } case TransferCharacteristicITU_R601_625L: { transfer="ITU-R601-625L"; break; } case TransferCharacteristicITU_R601_525L: { transfer="ITU-R601-525L"; break; } case TransferCharacteristicNTSCCompositeVideo: { transfer="NTSCCompositeVideo"; break; } case TransferCharacteristicPALCompositeVideo: { transfer="PALCompositeVideo"; break; } case TransferCharacteristicZDepthLinear: { transfer="ZDepthLinear"; break; } case TransferCharacteristicZDepthHomogeneous: { transfer="ZDepthHomogeneous"; break; } default: transfer="Reserved"; } return(transfer); } static inline MagickBooleanType IsFloatDefined(const float value) { union { unsigned int unsigned_value; float float_value; } quantum; quantum.unsigned_value=0U; quantum.float_value=value; if (quantum.unsigned_value == 0U) return(MagickFalse); return(MagickTrue); } static void SetPrimaryChromaticity(const DPXColorimetric colorimetric, ChromaticityInfo *chromaticity_info) { switch(colorimetric) { case SMTPE_274MColorimetric: case ITU_R709Colorimetric: { chromaticity_info->red_primary.x=0.640; chromaticity_info->red_primary.y=0.330; chromaticity_info->red_primary.z=0.030; chromaticity_info->green_primary.x=0.300; chromaticity_info->green_primary.y=0.600; chromaticity_info->green_primary.z=0.100; chromaticity_info->blue_primary.x=0.150; chromaticity_info->blue_primary.y=0.060; chromaticity_info->blue_primary.z=0.790; chromaticity_info->white_point.x=0.3127; chromaticity_info->white_point.y=0.3290; chromaticity_info->white_point.z=0.3582; break; } case NTSCCompositeVideoColorimetric: { chromaticity_info->red_primary.x=0.67; chromaticity_info->red_primary.y=0.33; chromaticity_info->red_primary.z=0.00; chromaticity_info->green_primary.x=0.21; chromaticity_info->green_primary.y=0.71; chromaticity_info->green_primary.z=0.08; chromaticity_info->blue_primary.x=0.14; chromaticity_info->blue_primary.y=0.08; chromaticity_info->blue_primary.z=0.78; chromaticity_info->white_point.x=0.310; chromaticity_info->white_point.y=0.316; chromaticity_info->white_point.z=0.374; break; } case PALCompositeVideoColorimetric: { chromaticity_info->red_primary.x=0.640; chromaticity_info->red_primary.y=0.330; chromaticity_info->red_primary.z=0.030; chromaticity_info->green_primary.x=0.290; chromaticity_info->green_primary.y=0.600; chromaticity_info->green_primary.z=0.110; chromaticity_info->blue_primary.x=0.150; chromaticity_info->blue_primary.y=0.060; chromaticity_info->blue_primary.z=0.790; chromaticity_info->white_point.x=0.3127; chromaticity_info->white_point.y=0.3290; chromaticity_info->white_point.z=0.3582; break; } default: break; } } static void TimeCodeToString(const size_t timestamp,char *code) { #define TimeFields 7 unsigned int shift; ssize_t i; *code='\0'; shift=4*TimeFields; for (i=0; i <= TimeFields; i++) { (void) FormatLocaleString(code,MaxTextExtent-strlen(code),"%x", (unsigned int) ((timestamp >> shift) & 0x0fU)); code++; if (((i % 2) != 0) && (i < TimeFields)) *code++=':'; shift-=4; *code='\0'; } } static Image *ReadDPXImage(const ImageInfo *image_info,ExceptionInfo *exception) { char magick[4], value[MaxTextExtent]; DPXInfo dpx; Image *image; MagickBooleanType status; MagickOffsetType offset; QuantumInfo *quantum_info; QuantumType quantum_type; ssize_t i; size_t extent, samples_per_pixel; ssize_t count, n, row, y; unsigned char component_type; /* Open image file. */ assert(image_info != (const ImageInfo *) NULL); assert(image_info->signature == MagickCoreSignature); if (image_info->debug != MagickFalse) (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s", image_info->filename); assert(exception != (ExceptionInfo *) NULL); assert(exception->signature == MagickCoreSignature); image=AcquireImage(image_info); status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception); if (status == MagickFalse) { image=DestroyImageList(image); return((Image *) NULL); } /* Read DPX file header. */ offset=0; count=ReadBlob(image,4,(unsigned char *) magick); offset+=count; if ((count != 4) || ((LocaleNCompare(magick,"SDPX",4) != 0) && (LocaleNCompare((char *) magick,"XPDS",4) != 0))) ThrowReaderException(CorruptImageError,"ImproperImageHeader"); image->endian=LSBEndian; if (LocaleNCompare(magick,"SDPX",4) == 0) image->endian=MSBEndian; (void) memset(&dpx,0,sizeof(dpx)); dpx.file.image_offset=ReadBlobLong(image); offset+=4; offset+=ReadBlob(image,sizeof(dpx.file.version),(unsigned char *) dpx.file.version); (void) FormatImageProperty(image,"dpx:file.version","%.8s",dpx.file.version); dpx.file.file_size=ReadBlobLong(image); offset+=4; dpx.file.ditto_key=ReadBlobLong(image); offset+=4; if (dpx.file.ditto_key != ~0U) (void) FormatImageProperty(image,"dpx:file.ditto.key","%u", dpx.file.ditto_key); dpx.file.generic_size=ReadBlobLong(image); offset+=4; dpx.file.industry_size=ReadBlobLong(image); offset+=4; dpx.file.user_size=ReadBlobLong(image); offset+=4; offset+=ReadBlob(image,sizeof(dpx.file.filename),(unsigned char *) dpx.file.filename); (void) FormatImageProperty(image,"dpx:file.filename","%.100s", dpx.file.filename); (void) FormatImageProperty(image,"document","%.100s",dpx.file.filename); offset+=ReadBlob(image,sizeof(dpx.file.timestamp),(unsigned char *) dpx.file.timestamp); if (*dpx.file.timestamp != '\0') (void) FormatImageProperty(image,"dpx:file.timestamp","%.24s", dpx.file.timestamp); offset+=ReadBlob(image,sizeof(dpx.file.creator),(unsigned char *) dpx.file.creator); if (*dpx.file.creator == '\0') { char *url; url=GetMagickHomeURL(); (void) FormatImageProperty(image,"dpx:file.creator","%.100s",url); (void) FormatImageProperty(image,"software","%.100s",url); url=DestroyString(url); } else { (void) FormatImageProperty(image,"dpx:file.creator","%.100s", dpx.file.creator); (void) FormatImageProperty(image,"software","%.100s",dpx.file.creator); } offset+=ReadBlob(image,sizeof(dpx.file.project),(unsigned char *) dpx.file.project); if (*dpx.file.project != '\0') { (void) FormatImageProperty(image,"dpx:file.project","%.200s", dpx.file.project); (void) FormatImageProperty(image,"comment","%.100s",dpx.file.project); } offset+=ReadBlob(image,sizeof(dpx.file.copyright),(unsigned char *) dpx.file.copyright); if (*dpx.file.copyright != '\0') { (void) FormatImageProperty(image,"dpx:file.copyright","%.200s", dpx.file.copyright); (void) FormatImageProperty(image,"copyright","%.100s", dpx.file.copyright); } dpx.file.encrypt_key=ReadBlobLong(image); offset+=4; if (dpx.file.encrypt_key != ~0U) (void) FormatImageProperty(image,"dpx:file.encrypt_key","%u", dpx.file.encrypt_key); offset+=ReadBlob(image,sizeof(dpx.file.reserve),(unsigned char *) dpx.file.reserve); /* Read DPX image header. */ dpx.image.orientation=ReadBlobShort(image); if (dpx.image.orientation > 7) ThrowReaderException(CorruptImageError,"ImproperImageHeader"); offset+=2; if (dpx.image.orientation != (unsigned short) ~0) (void) FormatImageProperty(image,"dpx:image.orientation","%d", dpx.image.orientation); switch (dpx.image.orientation) { default: case 0: image->orientation=TopLeftOrientation; break; case 1: image->orientation=TopRightOrientation; break; case 2: image->orientation=BottomLeftOrientation; break; case 3: image->orientation=BottomRightOrientation; break; case 4: image->orientation=LeftTopOrientation; break; case 5: image->orientation=RightTopOrientation; break; case 6: image->orientation=LeftBottomOrientation; break; case 7: image->orientation=RightBottomOrientation; break; } dpx.image.number_elements=ReadBlobShort(image); if ((dpx.image.number_elements < 1) || (dpx.image.number_elements > MaxNumberImageElements)) ThrowReaderException(CorruptImageError,"ImproperImageHeader"); offset+=2; dpx.image.pixels_per_line=ReadBlobLong(image); offset+=4; image->columns=dpx.image.pixels_per_line; dpx.image.lines_per_element=ReadBlobLong(image); offset+=4; image->rows=dpx.image.lines_per_element; for (i=0; i < 8; i++) { char property[MaxTextExtent]; dpx.image.image_element[i].data_sign=ReadBlobLong(image); offset+=4; dpx.image.image_element[i].low_data=ReadBlobLong(image); offset+=4; dpx.image.image_element[i].low_quantity=ReadBlobFloat(image); offset+=4; dpx.image.image_element[i].high_data=ReadBlobLong(image); offset+=4; dpx.image.image_element[i].high_quantity=ReadBlobFloat(image); offset+=4; dpx.image.image_element[i].descriptor=(unsigned char) ReadBlobByte(image); offset++; dpx.image.image_element[i].transfer_characteristic=(unsigned char) ReadBlobByte(image); (void) FormatLocaleString(property,MaxTextExtent, "dpx:image.element[%lu].transfer-characteristic",(long) i); (void) FormatImageProperty(image,property,"%s", GetImageTransferCharacteristic((DPXTransferCharacteristic) dpx.image.image_element[i].transfer_characteristic)); offset++; dpx.image.image_element[i].colorimetric=(unsigned char) ReadBlobByte(image); offset++; dpx.image.image_element[i].bit_size=(unsigned char) ReadBlobByte(image); offset++; dpx.image.image_element[i].packing=ReadBlobShort(image); offset+=2; dpx.image.image_element[i].encoding=ReadBlobShort(image); offset+=2; dpx.image.image_element[i].data_offset=ReadBlobLong(image); offset+=4; dpx.image.image_element[i].end_of_line_padding=ReadBlobLong(image); offset+=4; dpx.image.image_element[i].end_of_image_padding=ReadBlobLong(image); offset+=4; offset+=ReadBlob(image,sizeof(dpx.image.image_element[i].description), (unsigned char *) dpx.image.image_element[i].description); } (void) SetImageColorspace(image,RGBColorspace); offset+=ReadBlob(image,sizeof(dpx.image.reserve),(unsigned char *) dpx.image.reserve); if (dpx.file.image_offset >= 1664U) { /* Read DPX orientation header. */ dpx.orientation.x_offset=ReadBlobLong(image); offset+=4; if (dpx.orientation.x_offset != ~0U) (void) FormatImageProperty(image,"dpx:orientation.x_offset","%u", dpx.orientation.x_offset); dpx.orientation.y_offset=ReadBlobLong(image); offset+=4; if (dpx.orientation.y_offset != ~0U) (void) FormatImageProperty(image,"dpx:orientation.y_offset","%u", dpx.orientation.y_offset); dpx.orientation.x_center=ReadBlobFloat(image); offset+=4; if (IsFloatDefined(dpx.orientation.x_center) != MagickFalse) (void) FormatImageProperty(image,"dpx:orientation.x_center","%g", dpx.orientation.x_center); dpx.orientation.y_center=ReadBlobFloat(image); offset+=4; if (IsFloatDefined(dpx.orientation.y_center) != MagickFalse) (void) FormatImageProperty(image,"dpx:orientation.y_center","%g", dpx.orientation.y_center); dpx.orientation.x_size=ReadBlobLong(image); offset+=4; if (dpx.orientation.x_size != ~0U) (void) FormatImageProperty(image,"dpx:orientation.x_size","%u", dpx.orientation.x_size); dpx.orientation.y_size=ReadBlobLong(image); offset+=4; if (dpx.orientation.y_size != ~0U) (void) FormatImageProperty(image,"dpx:orientation.y_size","%u", dpx.orientation.y_size); offset+=ReadBlob(image,sizeof(dpx.orientation.filename),(unsigned char *) dpx.orientation.filename); if (*dpx.orientation.filename != '\0') (void) FormatImageProperty(image,"dpx:orientation.filename","%.100s", dpx.orientation.filename); offset+=ReadBlob(image,sizeof(dpx.orientation.timestamp),(unsigned char *) dpx.orientation.timestamp); if (*dpx.orientation.timestamp != '\0') (void) FormatImageProperty(image,"dpx:orientation.timestamp","%.24s", dpx.orientation.timestamp); offset+=ReadBlob(image,sizeof(dpx.orientation.device),(unsigned char *) dpx.orientation.device); if (*dpx.orientation.device != '\0') (void) FormatImageProperty(image,"dpx:orientation.device","%.32s", dpx.orientation.device); offset+=ReadBlob(image,sizeof(dpx.orientation.serial),(unsigned char *) dpx.orientation.serial); if (*dpx.orientation.serial != '\0') (void) FormatImageProperty(image,"dpx:orientation.serial","%.32s", dpx.orientation.serial); for (i=0; i < 4; i++) { dpx.orientation.border[i]=ReadBlobShort(image); offset+=2; } if ((dpx.orientation.border[0] != (unsigned short) (~0)) && (dpx.orientation.border[1] != (unsigned short) (~0))) (void) FormatImageProperty(image,"dpx:orientation.border","%dx%d%+d%+d", dpx.orientation.border[0],dpx.orientation.border[1], dpx.orientation.border[2],dpx.orientation.border[3]); for (i=0; i < 2; i++) { dpx.orientation.aspect_ratio[i]=ReadBlobLong(image); offset+=4; } if ((dpx.orientation.aspect_ratio[0] != ~0U) && (dpx.orientation.aspect_ratio[1] != ~0U)) (void) FormatImageProperty(image,"dpx:orientation.aspect_ratio", "%ux%u",dpx.orientation.aspect_ratio[0], dpx.orientation.aspect_ratio[1]); offset+=ReadBlob(image,sizeof(dpx.orientation.reserve),(unsigned char *) dpx.orientation.reserve); } if (dpx.file.image_offset >= 1920U) { /* Read DPX film header. */ offset+=ReadBlob(image,sizeof(dpx.film.id),(unsigned char *) dpx.film.id); if (*dpx.film.id != '\0') (void) FormatImageProperty(image,"dpx:film.id","%.2s",dpx.film.id); offset+=ReadBlob(image,sizeof(dpx.film.type),(unsigned char *) dpx.film.type); if (*dpx.film.type != '\0') (void) FormatImageProperty(image,"dpx:film.type","%.2s",dpx.film.type); offset+=ReadBlob(image,sizeof(dpx.film.offset),(unsigned char *) dpx.film.offset); if (*dpx.film.offset != '\0') (void) FormatImageProperty(image,"dpx:film.offset","%.2s", dpx.film.offset); offset+=ReadBlob(image,sizeof(dpx.film.prefix),(unsigned char *) dpx.film.prefix); if (*dpx.film.prefix != '\0') (void) FormatImageProperty(image,"dpx:film.prefix","%.6s", dpx.film.prefix); offset+=ReadBlob(image,sizeof(dpx.film.count),(unsigned char *) dpx.film.count); if (*dpx.film.count != '\0') (void) FormatImageProperty(image,"dpx:film.count","%.4s", dpx.film.count); offset+=ReadBlob(image,sizeof(dpx.film.format),(unsigned char *) dpx.film.format); if (*dpx.film.format != '\0') (void) FormatImageProperty(image,"dpx:film.format","%.4s", dpx.film.format); dpx.film.frame_position=ReadBlobLong(image); offset+=4; if (dpx.film.frame_position != ~0U) (void) FormatImageProperty(image,"dpx:film.frame_position","%u", dpx.film.frame_position); dpx.film.sequence_extent=ReadBlobLong(image); offset+=4; if (dpx.film.sequence_extent != ~0U) (void) FormatImageProperty(image,"dpx:film.sequence_extent","%u", dpx.film.sequence_extent); dpx.film.held_count=ReadBlobLong(image); offset+=4; if (dpx.film.held_count != ~0U) (void) FormatImageProperty(image,"dpx:film.held_count","%u", dpx.film.held_count); dpx.film.frame_rate=ReadBlobFloat(image); offset+=4; if (IsFloatDefined(dpx.film.frame_rate) != MagickFalse) (void) FormatImageProperty(image,"dpx:film.frame_rate","%g", dpx.film.frame_rate); dpx.film.shutter_angle=ReadBlobFloat(image); offset+=4; if (IsFloatDefined(dpx.film.shutter_angle) != MagickFalse) (void) FormatImageProperty(image,"dpx:film.shutter_angle","%g", dpx.film.shutter_angle); offset+=ReadBlob(image,sizeof(dpx.film.frame_id),(unsigned char *) dpx.film.frame_id); if (*dpx.film.frame_id != '\0') (void) FormatImageProperty(image,"dpx:film.frame_id","%.32s", dpx.film.frame_id); offset+=ReadBlob(image,sizeof(dpx.film.slate),(unsigned char *) dpx.film.slate); if (*dpx.film.slate != '\0') (void) FormatImageProperty(image,"dpx:film.slate","%.100s", dpx.film.slate); offset+=ReadBlob(image,sizeof(dpx.film.reserve),(unsigned char *) dpx.film.reserve); } if (dpx.file.image_offset >= 2048U) { /* Read DPX television header. */ dpx.television.time_code=(unsigned int) ReadBlobLong(image); offset+=4; TimeCodeToString(dpx.television.time_code,value); (void) SetImageProperty(image,"dpx:television.time.code",value); dpx.television.user_bits=(unsigned int) ReadBlobLong(image); offset+=4; TimeCodeToString(dpx.television.user_bits,value); (void) SetImageProperty(image,"dpx:television.user.bits",value); dpx.television.interlace=(unsigned char) ReadBlobByte(image); offset++; if (dpx.television.interlace != 0) (void) FormatImageProperty(image,"dpx:television.interlace","%.20g", (double) dpx.television.interlace); dpx.television.field_number=(unsigned char) ReadBlobByte(image); offset++; if (dpx.television.field_number != 0) (void) FormatImageProperty(image,"dpx:television.field_number","%.20g", (double) dpx.television.field_number); dpx.television.video_signal=(unsigned char) ReadBlobByte(image); offset++; if (dpx.television.video_signal != 0) (void) FormatImageProperty(image,"dpx:television.video_signal","%.20g", (double) dpx.television.video_signal); dpx.television.padding=(unsigned char) ReadBlobByte(image); offset++; if (dpx.television.padding != 0) (void) FormatImageProperty(image,"dpx:television.padding","%d", dpx.television.padding); dpx.television.horizontal_sample_rate=ReadBlobFloat(image); offset+=4; if (IsFloatDefined(dpx.television.horizontal_sample_rate) != MagickFalse) (void) FormatImageProperty(image, "dpx:television.horizontal_sample_rate","%g", dpx.television.horizontal_sample_rate); dpx.television.vertical_sample_rate=ReadBlobFloat(image); offset+=4; if (IsFloatDefined(dpx.television.vertical_sample_rate) != MagickFalse) (void) FormatImageProperty(image,"dpx:television.vertical_sample_rate", "%g",dpx.television.vertical_sample_rate); dpx.television.frame_rate=ReadBlobFloat(image); offset+=4; if (IsFloatDefined(dpx.television.frame_rate) != MagickFalse) (void) FormatImageProperty(image,"dpx:television.frame_rate","%g", dpx.television.frame_rate); dpx.television.time_offset=ReadBlobFloat(image); offset+=4; if (IsFloatDefined(dpx.television.time_offset) != MagickFalse) (void) FormatImageProperty(image,"dpx:television.time_offset","%g", dpx.television.time_offset); dpx.television.gamma=ReadBlobFloat(image); offset+=4; if (IsFloatDefined(dpx.television.gamma) != MagickFalse) (void) FormatImageProperty(image,"dpx:television.gamma","%g", dpx.television.gamma); dpx.television.black_level=ReadBlobFloat(image); offset+=4; if (IsFloatDefined(dpx.television.black_level) != MagickFalse) (void) FormatImageProperty(image,"dpx:television.black_level","%g", dpx.television.black_level); dpx.television.black_gain=ReadBlobFloat(image); offset+=4; if (IsFloatDefined(dpx.television.black_gain) != MagickFalse) (void) FormatImageProperty(image,"dpx:television.black_gain","%g", dpx.television.black_gain); dpx.television.break_point=ReadBlobFloat(image); offset+=4; if (IsFloatDefined(dpx.television.break_point) != MagickFalse) (void) FormatImageProperty(image,"dpx:television.break_point","%g", dpx.television.break_point); dpx.television.white_level=ReadBlobFloat(image); offset+=4; if (IsFloatDefined(dpx.television.white_level) != MagickFalse) (void) FormatImageProperty(image,"dpx:television.white_level","%g", dpx.television.white_level); dpx.television.integration_times=ReadBlobFloat(image); offset+=4; if (IsFloatDefined(dpx.television.integration_times) != MagickFalse) (void) FormatImageProperty(image,"dpx:television.integration_times", "%g",dpx.television.integration_times); offset+=ReadBlob(image,sizeof(dpx.television.reserve),(unsigned char *) dpx.television.reserve); } if (dpx.file.image_offset > 2080U) { /* Read DPX user header. */ offset+=ReadBlob(image,sizeof(dpx.user.id),(unsigned char *) dpx.user.id); if (*dpx.user.id != '\0') (void) FormatImageProperty(image,"dpx:user.id","%.32s",dpx.user.id); if ((dpx.file.user_size != ~0U) && ((size_t) dpx.file.user_size > sizeof(dpx.user.id))) { StringInfo *profile; if ((MagickSizeType) dpx.file.user_size > GetBlobSize(image)) ThrowReaderException(CorruptImageError, "InsufficientImageDataInFile"); profile=BlobToStringInfo((const void *) NULL, dpx.file.user_size-sizeof(dpx.user.id)); if (profile == (StringInfo *) NULL) ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); offset+=ReadBlob(image,GetStringInfoLength(profile), GetStringInfoDatum(profile)); if (EOFBlob(image) != MagickFalse) (void) SetImageProfile(image,"dpx:user-data",profile); profile=DestroyStringInfo(profile); } } for ( ; offset < (MagickOffsetType) dpx.file.image_offset; offset++) if (ReadBlobByte(image) == EOF) break; if (EOFBlob(image) != MagickFalse) { ThrowFileException(&image->exception,CorruptImageError, "UnexpectedEndOfFile",image->filename); return(DestroyImageList(image)); } if (image_info->ping != MagickFalse) { (void) CloseBlob(image); return(GetFirstImageInList(image)); } status=SetImageExtent(image,image->columns,image->rows); if (status == MagickFalse) { InheritException(exception,&image->exception); return(DestroyImageList(image)); } status=ResetImagePixels(image,exception); if (status == MagickFalse) { InheritException(exception,&image->exception); return(DestroyImageList(image)); } for (n=0; n < (ssize_t) dpx.image.number_elements; n++) { unsigned char *pixels; /* Convert DPX raster image to pixel packets. */ if ((dpx.image.image_element[n].data_offset != ~0U) && (dpx.image.image_element[n].data_offset != 0U)) { MagickOffsetType data_offset; data_offset=(MagickOffsetType) dpx.image.image_element[n].data_offset; if (data_offset < offset) offset=SeekBlob(image,data_offset,SEEK_SET); else for ( ; offset < data_offset; offset++) if (ReadBlobByte(image) == EOF) break; if (offset != data_offset) ThrowReaderException(CorruptImageError,"UnableToReadImageData"); } SetPrimaryChromaticity((DPXColorimetric) dpx.image.image_element[n].colorimetric,&image->chromaticity); image->depth=dpx.image.image_element[n].bit_size; if ((image->depth == 0) || (image->depth > 32)) ThrowReaderException(CorruptImageError,"ImproperImageHeader"); samples_per_pixel=1; quantum_type=GrayQuantum; component_type=dpx.image.image_element[n].descriptor; switch (component_type) { case CbYCrY422ComponentType: { samples_per_pixel=2; quantum_type=CbYCrYQuantum; break; } case CbYACrYA4224ComponentType: case CbYCr444ComponentType: { samples_per_pixel=3; quantum_type=CbYCrQuantum; break; } case RGBComponentType: { samples_per_pixel=3; quantum_type=RGBQuantum; break; } case ABGRComponentType: case RGBAComponentType: { image->matte=MagickTrue; samples_per_pixel=4; quantum_type=RGBAQuantum; break; } default: break; } switch (component_type) { case CbYCrY422ComponentType: case CbYACrYA4224ComponentType: case CbYCr444ComponentType: { (void) SetImageColorspace(image,Rec709YCbCrColorspace); break; } case LumaComponentType: { (void) SetImageColorspace(image,GRAYColorspace); break; } default: { (void) SetImageColorspace(image,RGBColorspace); if (dpx.image.image_element[n].transfer_characteristic == LogarithmicColorimetric) (void) SetImageColorspace(image,LogColorspace); if (dpx.image.image_element[n].transfer_characteristic == PrintingDensityColorimetric) (void) SetImageColorspace(image,LogColorspace); break; } } extent=GetBytesPerRow(image->columns,samples_per_pixel,image->depth, dpx.image.image_element[n].packing == 0 ? MagickFalse : MagickTrue); /* DPX any-bit pixel format. */ row=0; quantum_info=AcquireQuantumInfo(image_info,image); if (quantum_info == (QuantumInfo *) NULL) ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); SetQuantumQuantum(quantum_info,32); SetQuantumPack(quantum_info,dpx.image.image_element[n].packing == 0 ? MagickTrue : MagickFalse); pixels=GetQuantumPixels(quantum_info); for (y=0; y < (ssize_t) image->rows; y++) { const void *stream; MagickBooleanType sync; PixelPacket *q; size_t length; ssize_t count, row_offset; stream=ReadBlobStream(image,extent,pixels,&count); if (count != (ssize_t) extent) break; if ((image->progress_monitor != (MagickProgressMonitor) NULL) && (image->previous == (Image *) NULL)) { MagickBooleanType proceed; proceed=SetImageProgress(image,LoadImageTag,(MagickOffsetType) row, image->rows); if (proceed == MagickFalse) break; } row_offset=row++; q=QueueAuthenticPixels(image,0,row_offset,image->columns,1,exception); if (q == (PixelPacket *) NULL) break; length=ImportQuantumPixels(image,(CacheView *) NULL,quantum_info, quantum_type,(unsigned char *) stream,exception); (void) length; sync=SyncAuthenticPixels(image,exception); if (sync == MagickFalse) break; } quantum_info=DestroyQuantumInfo(quantum_info); if (y < (ssize_t) image->rows) ThrowReaderException(CorruptImageError,"UnableToReadImageData"); SetQuantumImageType(image,quantum_type); if (EOFBlob(image) != MagickFalse) ThrowFileException(exception,CorruptImageError,"UnexpectedEndOfFile", image->filename); if ((i+1) < (ssize_t) dpx.image.number_elements) { /* Allocate next image structure. */ AcquireNextImage(image_info,image); if (GetNextImageInList(image) == (Image *) NULL) { status=MagickFalse; break; } image=SyncNextImageInList(image); status=SetImageProgress(image,LoadImagesTag,TellBlob(image), GetBlobSize(image)); if (status == MagickFalse) break; } } (void) CloseBlob(image); if (status == MagickFalse) return(DestroyImageList(image)); return(GetFirstImageInList(image)); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % R e g i s t e r D P X I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % RegisterDPXImage() adds properties for the DPX image format to % the list of supported formats. The properties include the image format % tag, a method to read and/or write the format, whether the format % supports the saving of more than one frame to the same file or blob, % whether the format supports native in-memory I/O, and a brief % description of the format. % % The format of the RegisterDPXImage method is: % % size_t RegisterDPXImage(void) % */ ModuleExport size_t RegisterDPXImage(void) { MagickInfo *entry; static const char *DPXNote = { "Digital Moving Picture Exchange Bitmap, Version 2.0.\n" "See SMPTE 268M-2003 specification at http://www.smtpe.org\n" }; entry=SetMagickInfo("DPX"); entry->decoder=(DecodeImageHandler *) ReadDPXImage; entry->encoder=(EncodeImageHandler *) WriteDPXImage; entry->magick=(IsImageFormatHandler *) IsDPX; entry->seekable_stream=MagickTrue; entry->adjoin=MagickFalse; entry->description=ConstantString("SMPTE 268M-2003 (DPX 2.0)"); entry->note=ConstantString(DPXNote); entry->magick_module=ConstantString("DPX"); (void) RegisterMagickInfo(entry); return(MagickImageCoderSignature); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % U n r e g i s t e r D P X I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % UnregisterDPXImage() removes format registrations made by the % DPX module from the list of supported formats. % % The format of the UnregisterDPXImage method is: % % UnregisterDPXImage(void) % */ ModuleExport void UnregisterDPXImage(void) { (void) UnregisterMagickInfo("DPX"); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % W r i t e D P X I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % WriteDPXImage() writes an image in DPX encoded image format. % % The format of the WriteDPXImage method is: % % MagickBooleanType WriteDPXImage(const ImageInfo *image_info,Image *image) % % A description of each parameter follows. % % o image_info: the image info. % % o image: The image. % */ static unsigned int StringToTimeCode(const char *key) { char buffer[2]; ssize_t i; unsigned int shift, value; value=0; shift=28; buffer[1]='\0'; for (i=0; (*key != 0) && (i < 11); i++) { if (isxdigit((int) ((unsigned char) *key)) == 0) { key++; continue; } buffer[0]=(*key++); value|=(unsigned int) ((strtol(buffer,(char **) NULL,16)) << shift); shift-=4; } return(value); } static inline const char *GetDPXProperty(const Image *image, const char *property) { const char *value; value=GetImageArtifact(image,property); if (value != (const char *) NULL) return(value); return(GetImageProperty(image,property)); } static MagickBooleanType WriteDPXImage(const ImageInfo *image_info, Image *image) { const char *value; const StringInfo *profile; DPXInfo dpx; MagickBooleanType status; MagickOffsetType offset; MagickStatusType flags; GeometryInfo geometry_info; QuantumInfo *quantum_info; QuantumType quantum_type; const PixelPacket *p; ssize_t i; ssize_t count, horizontal_factor, vertical_factor, y; size_t channels, extent, samples_per_pixel; time_t seconds; unsigned char component_type, *pixels; /* Open output image file. */ assert(image_info != (const ImageInfo *) NULL); assert(image_info->signature == MagickCoreSignature); assert(image != (Image *) NULL); assert(image->signature == MagickCoreSignature); if (image->debug != MagickFalse) (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename); horizontal_factor=4; vertical_factor=4; if (image_info->sampling_factor != (char *) NULL) { GeometryInfo geometry_info; MagickStatusType flags; flags=ParseGeometry(image_info->sampling_factor,&geometry_info); horizontal_factor=(ssize_t) geometry_info.rho; vertical_factor=(ssize_t) geometry_info.sigma; if ((flags & SigmaValue) == 0) vertical_factor=horizontal_factor; if ((horizontal_factor != 1) && (horizontal_factor != 2) && (horizontal_factor != 4) && (vertical_factor != 1) && (vertical_factor != 2) && (vertical_factor != 4)) ThrowWriterException(CorruptImageError,"UnexpectedSamplingFactor"); } if ((IsYCbCrCompatibleColorspace(image->colorspace) != MagickFalse) && ((horizontal_factor == 2) || (vertical_factor == 2))) if ((image->columns % 2) != 0) image->columns++; status=OpenBlob(image_info,image,WriteBinaryBlobMode,&image->exception); if (status == MagickFalse) return(status); /* Write file header. */ (void) memset(&dpx,0,sizeof(dpx)); offset=0; dpx.file.magic=0x53445058U; offset+=WriteBlobLong(image,dpx.file.magic); dpx.file.image_offset=0x2000U; profile=GetImageProfile(image,"dpx:user-data"); if (profile != (StringInfo *) NULL) { if (GetStringInfoLength(profile) > 1048576) ThrowWriterException(ImageError,"WidthOrHeightExceedsLimit"); dpx.file.image_offset+=(unsigned int) GetStringInfoLength(profile); dpx.file.image_offset=(((dpx.file.image_offset+0x2000-1)/0x2000)*0x2000); } offset+=WriteBlobLong(image,dpx.file.image_offset); (void) strncpy(dpx.file.version,"V2.0",sizeof(dpx.file.version)-1); offset+=WriteBlob(image,8,(unsigned char *) &dpx.file.version); channels=1; if (IsGrayImage(image,&image->exception) == MagickFalse) channels=3; if (image->matte != MagickFalse) channels++; dpx.file.file_size=(unsigned int) (channels*image->columns*image->rows+ dpx.file.image_offset); offset+=WriteBlobLong(image,dpx.file.file_size); dpx.file.ditto_key=1U; /* new frame */ offset+=WriteBlobLong(image,dpx.file.ditto_key); dpx.file.generic_size=0x00000680U; offset+=WriteBlobLong(image,dpx.file.generic_size); dpx.file.industry_size=0x00000180U; offset+=WriteBlobLong(image,dpx.file.industry_size); dpx.file.user_size=0; if (profile != (StringInfo *) NULL) { dpx.file.user_size+=(unsigned int) GetStringInfoLength(profile); dpx.file.user_size=(((dpx.file.user_size+0x2000-1)/0x2000)*0x2000); } offset+=WriteBlobLong(image,dpx.file.user_size); value=GetDPXProperty(image,"dpx:file.filename"); if (value != (const char *) NULL) (void) strncpy(dpx.file.filename,value,sizeof(dpx.file.filename)-1); offset+=WriteBlob(image,sizeof(dpx.file.filename),(unsigned char *) dpx.file.filename); seconds=GetMagickTime(); (void) FormatMagickTime(seconds,sizeof(dpx.file.timestamp), dpx.file.timestamp); offset+=WriteBlob(image,sizeof(dpx.file.timestamp),(unsigned char *) dpx.file.timestamp); (void) strncpy(dpx.file.creator,MagickAuthoritativeURL, sizeof(dpx.file.creator)-1); value=GetDPXProperty(image,"dpx:file.creator"); if (value != (const char *) NULL) (void) strncpy(dpx.file.creator,value,sizeof(dpx.file.creator)-1); offset+=WriteBlob(image,sizeof(dpx.file.creator),(unsigned char *) dpx.file.creator); value=GetDPXProperty(image,"dpx:file.project"); if (value != (const char *) NULL) (void) strncpy(dpx.file.project,value,sizeof(dpx.file.project)-1); offset+=WriteBlob(image,sizeof(dpx.file.project),(unsigned char *) dpx.file.project); value=GetDPXProperty(image,"dpx:file.copyright"); if (value != (const char *) NULL) (void) strncpy(dpx.file.copyright,value,sizeof(dpx.file.copyright)-1); offset+=WriteBlob(image,sizeof(dpx.file.copyright),(unsigned char *) dpx.file.copyright); dpx.file.encrypt_key=(~0U); offset+=WriteBlobLong(image,dpx.file.encrypt_key); offset+=WriteBlob(image,sizeof(dpx.file.reserve),(unsigned char *) dpx.file.reserve); /* Write image header. */ switch (image->orientation) { default: case TopLeftOrientation: dpx.image.orientation=0; break; case TopRightOrientation: dpx.image.orientation=1; break; case BottomLeftOrientation: dpx.image.orientation=2; break; case BottomRightOrientation: dpx.image.orientation=3; break; case LeftTopOrientation: dpx.image.orientation=4; break; case RightTopOrientation: dpx.image.orientation=5; break; case LeftBottomOrientation: dpx.image.orientation=6; break; case RightBottomOrientation: dpx.image.orientation=7; break; } offset+=WriteBlobShort(image,dpx.image.orientation); dpx.image.number_elements=1; offset+=WriteBlobShort(image,dpx.image.number_elements); if ((image->columns != (unsigned int) image->columns) || (image->rows != (unsigned int) image->rows)) ThrowWriterException(ImageError,"WidthOrHeightExceedsLimit"); offset+=WriteBlobLong(image,(unsigned int) image->columns); offset+=WriteBlobLong(image,(unsigned int) image->rows); for (i=0; i < 8; i++) { dpx.image.image_element[i].data_sign=0U; offset+=WriteBlobLong(image,dpx.image.image_element[i].data_sign); dpx.image.image_element[i].low_data=0U; offset+=WriteBlobLong(image,dpx.image.image_element[i].low_data); dpx.image.image_element[i].low_quantity=0.0f; offset+=WriteBlobFloat(image,dpx.image.image_element[i].low_quantity); dpx.image.image_element[i].high_data=0U; offset+=WriteBlobLong(image,dpx.image.image_element[i].high_data); dpx.image.image_element[i].high_quantity=0.0f; offset+=WriteBlobFloat(image,dpx.image.image_element[i].high_quantity); dpx.image.image_element[i].descriptor=0; if (i == 0) switch (image->colorspace) { case Rec601YCbCrColorspace: case Rec709YCbCrColorspace: case YCbCrColorspace: { dpx.image.image_element[i].descriptor=CbYCr444ComponentType; if (image->matte != MagickFalse) dpx.image.image_element[i].descriptor=CbYCrA4444ComponentType; break; } default: { dpx.image.image_element[i].descriptor=RGBComponentType; if (image->matte != MagickFalse) dpx.image.image_element[i].descriptor=RGBAComponentType; if ((image_info->type != TrueColorType) && (image->matte == MagickFalse) && (SetImageGray(image,&image->exception) != MagickFalse)) dpx.image.image_element[i].descriptor=LumaComponentType; break; } } offset+=WriteBlobByte(image,dpx.image.image_element[i].descriptor); dpx.image.image_element[i].transfer_characteristic=0; if (image->colorspace == LogColorspace) dpx.image.image_element[0].transfer_characteristic= PrintingDensityColorimetric; offset+=WriteBlobByte(image, dpx.image.image_element[i].transfer_characteristic); dpx.image.image_element[i].colorimetric=0; offset+=WriteBlobByte(image,dpx.image.image_element[i].colorimetric); dpx.image.image_element[i].bit_size=0; if (i == 0) dpx.image.image_element[i].bit_size=(unsigned char) image->depth; offset+=WriteBlobByte(image,dpx.image.image_element[i].bit_size); dpx.image.image_element[i].packing=0; if ((image->depth == 10) || (image->depth == 12)) dpx.image.image_element[i].packing=1; offset+=WriteBlobShort(image,dpx.image.image_element[i].packing); dpx.image.image_element[i].encoding=0; offset+=WriteBlobShort(image,dpx.image.image_element[i].encoding); dpx.image.image_element[i].data_offset=0U; if (i == 0) dpx.image.image_element[i].data_offset=dpx.file.image_offset; offset+=WriteBlobLong(image,dpx.image.image_element[i].data_offset); dpx.image.image_element[i].end_of_line_padding=0U; offset+=WriteBlobLong(image,dpx.image.image_element[i].end_of_line_padding); offset+=WriteBlobLong(image, dpx.image.image_element[i].end_of_image_padding); offset+=WriteBlob(image,sizeof(dpx.image.image_element[i].description), (unsigned char *) dpx.image.image_element[i].description); } offset+=WriteBlob(image,sizeof(dpx.image.reserve),(unsigned char *) dpx.image.reserve); /* Write orientation header. */ if ((image->rows != image->magick_rows) || (image->columns != image->magick_columns)) { /* These properties are not valid if image size changed. */ (void) DeleteImageProperty(image,"dpx:orientation.x_offset"); (void) DeleteImageProperty(image,"dpx:orientation.y_offset"); (void) DeleteImageProperty(image,"dpx:orientation.x_center"); (void) DeleteImageProperty(image,"dpx:orientation.y_center"); (void) DeleteImageProperty(image,"dpx:orientation.x_size"); (void) DeleteImageProperty(image,"dpx:orientation.y_size"); } dpx.orientation.x_offset=0U; value=GetDPXProperty(image,"dpx:orientation.x_offset"); if (value != (const char *) NULL) dpx.orientation.x_offset=(unsigned int) StringToUnsignedLong(value); offset+=WriteBlobLong(image,dpx.orientation.x_offset); dpx.orientation.y_offset=0U; value=GetDPXProperty(image,"dpx:orientation.y_offset"); if (value != (const char *) NULL) dpx.orientation.y_offset=(unsigned int) StringToUnsignedLong(value); offset+=WriteBlobLong(image,dpx.orientation.y_offset); dpx.orientation.x_center=0.0f; value=GetDPXProperty(image,"dpx:orientation.x_center"); if (value != (const char *) NULL) dpx.orientation.x_center=StringToDouble(value,(char **) NULL); offset+=WriteBlobFloat(image,dpx.orientation.x_center); dpx.orientation.y_center=0.0f; value=GetDPXProperty(image,"dpx:orientation.y_center"); if (value != (const char *) NULL) dpx.orientation.y_center=StringToDouble(value,(char **) NULL); offset+=WriteBlobFloat(image,dpx.orientation.y_center); dpx.orientation.x_size=0U; value=GetDPXProperty(image,"dpx:orientation.x_size"); if (value != (const char *) NULL) dpx.orientation.x_size=(unsigned int) StringToUnsignedLong(value); offset+=WriteBlobLong(image,dpx.orientation.x_size); dpx.orientation.y_size=0U; value=GetDPXProperty(image,"dpx:orientation.y_size"); if (value != (const char *) NULL) dpx.orientation.y_size=(unsigned int) StringToUnsignedLong(value); offset+=WriteBlobLong(image,dpx.orientation.y_size); value=GetDPXProperty(image,"dpx:orientation.filename"); if (value != (const char *) NULL) (void) strncpy(dpx.orientation.filename,value, sizeof(dpx.orientation.filename)-1); offset+=WriteBlob(image,sizeof(dpx.orientation.filename),(unsigned char *) dpx.orientation.filename); offset+=WriteBlob(image,sizeof(dpx.orientation.timestamp),(unsigned char *) dpx.orientation.timestamp); value=GetDPXProperty(image,"dpx:orientation.device"); if (value != (const char *) NULL) (void) strncpy(dpx.orientation.device,value, sizeof(dpx.orientation.device)-1); offset+=WriteBlob(image,sizeof(dpx.orientation.device),(unsigned char *) dpx.orientation.device); value=GetDPXProperty(image,"dpx:orientation.serial"); if (value != (const char *) NULL) (void) strncpy(dpx.orientation.serial,value, sizeof(dpx.orientation.serial)-1); offset+=WriteBlob(image,sizeof(dpx.orientation.serial),(unsigned char *) dpx.orientation.serial); for (i=0; i < 4; i++) dpx.orientation.border[i]=0; value=GetDPXProperty(image,"dpx:orientation.border"); if (value != (const char *) NULL) { flags=ParseGeometry(value,&geometry_info); if ((flags & SigmaValue) == 0) geometry_info.sigma=geometry_info.rho; dpx.orientation.border[0]=(unsigned short) (geometry_info.rho+0.5); dpx.orientation.border[1]=(unsigned short) (geometry_info.sigma+0.5); dpx.orientation.border[2]=(unsigned short) (geometry_info.xi+0.5); dpx.orientation.border[3]=(unsigned short) (geometry_info.psi+0.5); } for (i=0; i < 4; i++) offset+=WriteBlobShort(image,dpx.orientation.border[i]); for (i=0; i < 2; i++) dpx.orientation.aspect_ratio[i]=0U; value=GetDPXProperty(image,"dpx:orientation.aspect_ratio"); if (value != (const char *) NULL) { flags=ParseGeometry(value,&geometry_info); if ((flags & SigmaValue) == 0) geometry_info.sigma=geometry_info.rho; dpx.orientation.aspect_ratio[0]=(unsigned int) (geometry_info.rho+0.5); dpx.orientation.aspect_ratio[1]=(unsigned int) (geometry_info.sigma+0.5); } for (i=0; i < 2; i++) offset+=WriteBlobLong(image,dpx.orientation.aspect_ratio[i]); offset+=WriteBlob(image,sizeof(dpx.orientation.reserve),(unsigned char *) dpx.orientation.reserve); /* Write film header. */ (void) memset(dpx.film.id,0,sizeof(dpx.film.id)); value=GetDPXProperty(image,"dpx:film.id"); if (value != (const char *) NULL) (void) strncpy(dpx.film.id,value,sizeof(dpx.film.id)-1); offset+=WriteBlob(image,sizeof(dpx.film.id),(unsigned char *) dpx.film.id); (void) memset(dpx.film.type,0,sizeof(dpx.film.type)); value=GetDPXProperty(image,"dpx:film.type"); if (value != (const char *) NULL) (void) strncpy(dpx.film.type,value,sizeof(dpx.film.type)-1); offset+=WriteBlob(image,sizeof(dpx.film.type),(unsigned char *) dpx.film.type); (void) memset(dpx.film.offset,0,sizeof(dpx.film.offset)); value=GetDPXProperty(image,"dpx:film.offset"); if (value != (const char *) NULL) (void) strncpy(dpx.film.offset,value,sizeof(dpx.film.offset)-1); offset+=WriteBlob(image,sizeof(dpx.film.offset),(unsigned char *) dpx.film.offset); (void) memset(dpx.film.prefix,0,sizeof(dpx.film.prefix)); value=GetDPXProperty(image,"dpx:film.prefix"); if (value != (const char *) NULL) (void) strncpy(dpx.film.prefix,value,sizeof(dpx.film.prefix)-1); offset+=WriteBlob(image,sizeof(dpx.film.prefix),(unsigned char *) dpx.film.prefix); (void) memset(dpx.film.count,0,sizeof(dpx.film.count)); value=GetDPXProperty(image,"dpx:film.count"); if (value != (const char *) NULL) (void) strncpy(dpx.film.count,value,sizeof(dpx.film.count)-1); offset+=WriteBlob(image,sizeof(dpx.film.count),(unsigned char *) dpx.film.count); (void) memset(dpx.film.format,0,sizeof(dpx.film.format)); value=GetDPXProperty(image,"dpx:film.format"); if (value != (const char *) NULL) (void) strncpy(dpx.film.format,value,sizeof(dpx.film.format)-1); offset+=WriteBlob(image,sizeof(dpx.film.format),(unsigned char *) dpx.film.format); dpx.film.frame_position=0U; value=GetDPXProperty(image,"dpx:film.frame_position"); if (value != (const char *) NULL) dpx.film.frame_position=(unsigned int) StringToUnsignedLong(value); offset+=WriteBlobLong(image,dpx.film.frame_position); dpx.film.sequence_extent=0U; value=GetDPXProperty(image,"dpx:film.sequence_extent"); if (value != (const char *) NULL) dpx.film.sequence_extent=(unsigned int) StringToUnsignedLong(value); offset+=WriteBlobLong(image,dpx.film.sequence_extent); dpx.film.held_count=0U; value=GetDPXProperty(image,"dpx:film.held_count"); if (value != (const char *) NULL) dpx.film.held_count=(unsigned int) StringToUnsignedLong(value); offset+=WriteBlobLong(image,dpx.film.held_count); dpx.film.frame_rate=0.0f; value=GetDPXProperty(image,"dpx:film.frame_rate"); if (value != (const char *) NULL) dpx.film.frame_rate=StringToDouble(value,(char **) NULL); offset+=WriteBlobFloat(image,dpx.film.frame_rate); dpx.film.shutter_angle=0.0f; value=GetDPXProperty(image,"dpx:film.shutter_angle"); if (value != (const char *) NULL) dpx.film.shutter_angle=StringToDouble(value,(char **) NULL); offset+=WriteBlobFloat(image,dpx.film.shutter_angle); (void) memset(dpx.film.frame_id,0,sizeof(dpx.film.frame_id)); value=GetDPXProperty(image,"dpx:film.frame_id"); if (value != (const char *) NULL) (void) strncpy(dpx.film.frame_id,value,sizeof(dpx.film.frame_id)-1); offset+=WriteBlob(image,sizeof(dpx.film.frame_id),(unsigned char *) dpx.film.frame_id); value=GetDPXProperty(image,"dpx:film.slate"); if (value != (const char *) NULL) (void) strncpy(dpx.film.slate,value,sizeof(dpx.film.slate)-1); offset+=WriteBlob(image,sizeof(dpx.film.slate),(unsigned char *) dpx.film.slate); offset+=WriteBlob(image,sizeof(dpx.film.reserve),(unsigned char *) dpx.film.reserve); /* Write television header. */ value=GetDPXProperty(image,"dpx:television.time.code"); if (value != (const char *) NULL) dpx.television.time_code=StringToTimeCode(value); offset+=WriteBlobLong(image,dpx.television.time_code); value=GetDPXProperty(image,"dpx:television.user.bits"); if (value != (const char *) NULL) dpx.television.user_bits=StringToTimeCode(value); offset+=WriteBlobLong(image,dpx.television.user_bits); value=GetDPXProperty(image,"dpx:television.interlace"); if (value != (const char *) NULL) dpx.television.interlace=(unsigned char) StringToLong(value); offset+=WriteBlobByte(image,dpx.television.interlace); value=GetDPXProperty(image,"dpx:television.field_number"); if (value != (const char *) NULL) dpx.television.field_number=(unsigned char) StringToLong(value); offset+=WriteBlobByte(image,dpx.television.field_number); dpx.television.video_signal=0; value=GetDPXProperty(image,"dpx:television.video_signal"); if (value != (const char *) NULL) dpx.television.video_signal=(unsigned char) StringToLong(value); offset+=WriteBlobByte(image,dpx.television.video_signal); dpx.television.padding=0; value=GetDPXProperty(image,"dpx:television.padding"); if (value != (const char *) NULL) dpx.television.padding=(unsigned char) StringToLong(value); offset+=WriteBlobByte(image,dpx.television.padding); dpx.television.horizontal_sample_rate=0.0f; value=GetDPXProperty(image,"dpx:television.horizontal_sample_rate"); if (value != (const char *) NULL) dpx.television.horizontal_sample_rate=StringToDouble(value, (char **) NULL); offset+=WriteBlobFloat(image,dpx.television.horizontal_sample_rate); dpx.television.vertical_sample_rate=0.0f; value=GetDPXProperty(image,"dpx:television.vertical_sample_rate"); if (value != (const char *) NULL) dpx.television.vertical_sample_rate=StringToDouble(value, (char **) NULL); offset+=WriteBlobFloat(image,dpx.television.vertical_sample_rate); dpx.television.frame_rate=0.0f; value=GetDPXProperty(image,"dpx:television.frame_rate"); if (value != (const char *) NULL) dpx.television.frame_rate=StringToDouble(value,(char **) NULL); offset+=WriteBlobFloat(image,dpx.television.frame_rate); dpx.television.time_offset=0.0f; value=GetDPXProperty(image,"dpx:television.time_offset"); if (value != (const char *) NULL) dpx.television.time_offset=StringToDouble(value,(char **) NULL); offset+=WriteBlobFloat(image,dpx.television.time_offset); dpx.television.gamma=0.0f; value=GetDPXProperty(image,"dpx:television.gamma"); if (value != (const char *) NULL) dpx.television.gamma=StringToDouble(value,(char **) NULL); offset+=WriteBlobFloat(image,dpx.television.gamma); dpx.television.black_level=0.0f; value=GetDPXProperty(image,"dpx:television.black_level"); if (value != (const char *) NULL) dpx.television.black_level=StringToDouble(value,(char **) NULL); offset+=WriteBlobFloat(image,dpx.television.black_level); dpx.television.black_gain=0.0f; value=GetDPXProperty(image,"dpx:television.black_gain"); if (value != (const char *) NULL) dpx.television.black_gain=StringToDouble(value,(char **) NULL); offset+=WriteBlobFloat(image,dpx.television.black_gain); dpx.television.break_point=0.0f; value=GetDPXProperty(image,"dpx:television.break_point"); if (value != (const char *) NULL) dpx.television.break_point=StringToDouble(value,(char **) NULL); offset+=WriteBlobFloat(image,dpx.television.break_point); dpx.television.white_level=0.0f; value=GetDPXProperty(image,"dpx:television.white_level"); if (value != (const char *) NULL) dpx.television.white_level=StringToDouble(value,(char **) NULL); offset+=WriteBlobFloat(image,dpx.television.white_level); dpx.television.integration_times=0.0f; value=GetDPXProperty(image,"dpx:television.integration_times"); if (value != (const char *) NULL) dpx.television.integration_times=StringToDouble(value,(char **) NULL); offset+=WriteBlobFloat(image,dpx.television.integration_times); offset+=WriteBlob(image,sizeof(dpx.television.reserve),(unsigned char *) dpx.television.reserve); /* Write user header. */ value=GetDPXProperty(image,"dpx:user.id"); if (value != (const char *) NULL) (void) strncpy(dpx.user.id,value,sizeof(dpx.user.id)-1); offset+=WriteBlob(image,sizeof(dpx.user.id),(unsigned char *) dpx.user.id); if (profile != (StringInfo *) NULL) offset+=WriteBlob(image,GetStringInfoLength(profile), GetStringInfoDatum(profile)); while (offset < (MagickOffsetType) dpx.image.image_element[0].data_offset) { count=WriteBlobByte(image,0x00); if (count != 1) { ThrowFileException(&image->exception,FileOpenError,"UnableToWriteFile", image->filename); break; } offset+=count; } /* Convert pixel packets to DPX raster image. */ quantum_info=AcquireQuantumInfo(image_info,image); SetQuantumQuantum(quantum_info,32); SetQuantumPack(quantum_info,dpx.image.image_element[0].packing == 0 ? MagickTrue : MagickFalse); quantum_type=RGBQuantum; if (image->matte != MagickFalse) quantum_type=RGBAQuantum; if (IsYCbCrCompatibleColorspace(image->colorspace) != MagickFalse) { quantum_type=CbYCrQuantum; if (image->matte != MagickFalse) quantum_type=CbYCrAQuantum; if ((horizontal_factor == 2) || (vertical_factor == 2)) quantum_type=CbYCrYQuantum; } samples_per_pixel=1; quantum_type=GrayQuantum; component_type=dpx.image.image_element[0].descriptor; switch (component_type) { case CbYCrY422ComponentType: { samples_per_pixel=2; quantum_type=CbYCrYQuantum; break; } case CbYACrYA4224ComponentType: case CbYCr444ComponentType: { samples_per_pixel=3; quantum_type=CbYCrQuantum; break; } case RGBComponentType: { samples_per_pixel=3; quantum_type=RGBQuantum; break; } case ABGRComponentType: case RGBAComponentType: { samples_per_pixel=4; quantum_type=RGBAQuantum; break; } default: break; } extent=GetBytesPerRow(image->columns,samples_per_pixel,image->depth, dpx.image.image_element[0].packing == 0 ? MagickFalse : MagickTrue); pixels=GetQuantumPixels(quantum_info); for (y=0; y < (ssize_t) image->rows; y++) { size_t length; p=GetVirtualPixels(image,0,y,image->columns,1,&image->exception); if (p == (const PixelPacket *) NULL) break; length=ExportQuantumPixels(image,(const CacheView *) NULL,quantum_info, quantum_type,pixels,&image->exception); if (length == 0) break; count=WriteBlob(image,extent,pixels); if (count != (ssize_t) extent) break; status=SetImageProgress(image,SaveImageTag,(MagickOffsetType) y, image->rows); if (status == MagickFalse) break; } quantum_info=DestroyQuantumInfo(quantum_info); if (y < (ssize_t) image->rows) ThrowWriterException(CorruptImageError,"UnableToWriteImageData"); (void) CloseBlob(image); return(status); }