| /* |
| %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| % % |
| % % |
| % % |
| % 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 1999-2020 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 "MagickCore/studio.h" |
| #include "MagickCore/attribute.h" |
| #include "MagickCore/artifact.h" |
| #include "MagickCore/blob.h" |
| #include "MagickCore/blob-private.h" |
| #include "MagickCore/cache.h" |
| #include "MagickCore/colorspace.h" |
| #include "MagickCore/exception.h" |
| #include "MagickCore/exception-private.h" |
| #include "MagickCore/geometry.h" |
| #include "MagickCore/image.h" |
| #include "MagickCore/image-private.h" |
| #include "MagickCore/list.h" |
| #include "MagickCore/magick.h" |
| #include "MagickCore/memory_.h" |
| #include "MagickCore/module.h" |
| #include "MagickCore/monitor.h" |
| #include "MagickCore/monitor-private.h" |
| #include "MagickCore/option.h" |
| #include "MagickCore/pixel-accessor.h" |
| #include "MagickCore/profile.h" |
| #include "MagickCore/property.h" |
| #include "MagickCore/quantum-private.h" |
| #include "MagickCore/static.h" |
| #include "MagickCore/string_.h" |
| #include "MagickCore/string-private.h" |
| #include "MagickCore/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 *,ExceptionInfo *); |
| |
| /* |
| %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| % % |
| % % |
| % % |
| % 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=(float) 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; |
| |
| register ssize_t |
| i; |
| |
| *code='\0'; |
| shift=4*TimeFields; |
| for (i=0; i <= TimeFields; i++) |
| { |
| (void) FormatLocaleString(code,MagickPathExtent-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[MagickPathExtent]; |
| |
| DPXInfo |
| dpx; |
| |
| Image |
| *image; |
| |
| MagickBooleanType |
| status; |
| |
| MagickOffsetType |
| offset; |
| |
| QuantumInfo |
| *quantum_info; |
| |
| QuantumType |
| quantum_type; |
| |
| register 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,exception); |
| 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') |
| { |
| (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[MagickPathExtent]; |
| |
| 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,MagickPathExtent, |
| "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); |
| } |
| SetImageColorspace(image,RGBColorspace,exception); |
| 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,exception); |
| dpx.television.user_bits=(unsigned int) ReadBlobLong(image); |
| offset+=4; |
| TimeCodeToString(dpx.television.user_bits,value); |
| (void) SetImageProperty(image,"dpx:television.user.bits",value,exception); |
| 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 (dpx.file.user_size > GetBlobSize(image)) |
| ThrowReaderException(CorruptImageError, |
| "InsufficientImageDataInFile"); |
| profile=BlobToStringInfo((const unsigned char *) 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,exception); |
| profile=DestroyStringInfo(profile); |
| } |
| } |
| for ( ; offset < (MagickOffsetType) dpx.file.image_offset; offset++) |
| if (ReadBlobByte(image) == EOF) |
| break; |
| if (EOFBlob(image) != MagickFalse) |
| ThrowFileException(exception,CorruptImageError,"UnexpectedEndOfFile", |
| image->filename); |
| if (image_info->ping != MagickFalse) |
| { |
| (void) CloseBlob(image); |
| return(GetFirstImageInList(image)); |
| } |
| status=SetImageExtent(image,image->columns,image->rows,exception); |
| if (status == MagickFalse) |
| return(DestroyImageList(image)); |
| status=ResetImagePixels(image,exception); |
| if (status == MagickFalse) |
| 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->alpha_trait=BlendPixelTrait; |
| samples_per_pixel=4; |
| quantum_type=RGBAQuantum; |
| break; |
| } |
| default: |
| break; |
| } |
| switch (component_type) |
| { |
| case CbYCrY422ComponentType: |
| case CbYACrYA4224ComponentType: |
| case CbYCr444ComponentType: |
| { |
| SetImageColorspace(image,Rec709YCbCrColorspace,exception); |
| break; |
| } |
| case LumaComponentType: |
| { |
| SetImageColorspace(image,GRAYColorspace,exception); |
| break; |
| } |
| default: |
| { |
| SetImageColorspace(image,sRGBColorspace,exception); |
| if (dpx.image.image_element[n].transfer_characteristic == LogarithmicColorimetric) |
| SetImageColorspace(image,LogColorspace,exception); |
| if (dpx.image.image_element[n].transfer_characteristic == PrintingDensityColorimetric) |
| SetImageColorspace(image,LogColorspace,exception); |
| 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; |
| |
| register Quantum |
| *q; |
| |
| size_t |
| length; |
| |
| ssize_t |
| 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 == (Quantum *) 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,exception); |
| 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=AcquireMagickInfo("DPX","DPX","SMPTE 268M-2003 (DPX 2.0)"); |
| entry->decoder=(DecodeImageHandler *) ReadDPXImage; |
| entry->encoder=(EncodeImageHandler *) WriteDPXImage; |
| entry->magick=(IsImageFormatHandler *) IsDPX; |
| entry->flags^=CoderAdjoinFlag; |
| entry->flags|=CoderDecoderSeekableStreamFlag; |
| entry->note=ConstantString(DPXNote); |
| (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,ExceptionInfo *exception) |
| % |
| % A description of each parameter follows. |
| % |
| % o image_info: the image info. |
| % |
| % o image: The image. |
| % |
| % o exception: return any errors or warnings in this structure. |
| % |
| */ |
| |
| static unsigned int StringToTimeCode(const char *key) |
| { |
| char |
| buffer[2]; |
| |
| register 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,ExceptionInfo *exception) |
| { |
| const char |
| *value; |
| |
| value=GetImageArtifact(image,property); |
| if (value != (const char *) NULL) |
| return(value); |
| return(GetImageProperty(image,property,exception)); |
| } |
| |
| static MagickBooleanType WriteDPXImage(const ImageInfo *image_info,Image *image, |
| ExceptionInfo *exception) |
| { |
| const char |
| *value; |
| |
| const StringInfo |
| *profile; |
| |
| DPXInfo |
| dpx; |
| |
| GeometryInfo |
| geometry_info; |
| |
| MagickBooleanType |
| status; |
| |
| MagickOffsetType |
| offset; |
| |
| MagickStatusType |
| flags; |
| |
| QuantumInfo |
| *quantum_info; |
| |
| QuantumType |
| quantum_type; |
| |
| register const Quantum |
| *p; |
| |
| register ssize_t |
| i; |
| |
| size_t |
| channels, |
| extent; |
| |
| ssize_t |
| count, |
| horizontal_factor, |
| vertical_factor, |
| y; |
| |
| time_t |
| seconds; |
| |
| unsigned char |
| *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) |
| { |
| 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 ((image->colorspace == YCbCrColorspace) && |
| ((horizontal_factor == 2) || (vertical_factor == 2))) |
| if ((image->columns % 2) != 0) |
| image->columns++; |
| assert(exception != (ExceptionInfo *) NULL); |
| assert(exception->signature == MagickCoreSignature); |
| status=OpenBlob(image_info,image,WriteBinaryBlobMode,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 (IsImageGray(image) == MagickFalse) |
| channels=3; |
| if (image->alpha_trait != UndefinedPixelTrait) |
| 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",exception); |
| 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",exception); |
| 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",exception); |
| 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",exception); |
| 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->alpha_trait != UndefinedPixelTrait) |
| dpx.image.image_element[i].descriptor=CbYCrA4444ComponentType; |
| break; |
| } |
| default: |
| { |
| dpx.image.image_element[i].descriptor=RGBComponentType; |
| if (image->alpha_trait != UndefinedPixelTrait) |
| dpx.image.image_element[i].descriptor=RGBAComponentType; |
| if ((image_info->type != TrueColorType) && |
| (image->alpha_trait == UndefinedPixelTrait) && |
| (SetImageGray(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",exception); |
| 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",exception); |
| 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",exception); |
| 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",exception); |
| 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",exception); |
| 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",exception); |
| 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",exception); |
| 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",exception); |
| 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",exception); |
| 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",exception); |
| 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",exception); |
| 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",exception); |
| 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",exception); |
| 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",exception); |
| 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",exception); |
| 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",exception); |
| 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",exception); |
| 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",exception); |
| 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",exception); |
| 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",exception); |
| 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",exception); |
| 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",exception); |
| 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",exception); |
| 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",exception); |
| 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",exception); |
| 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",exception); |
| if (value != (const char *) NULL) |
| dpx.television.user_bits=StringToTimeCode(value); |
| offset+=WriteBlobLong(image,dpx.television.user_bits); |
| value=GetDPXProperty(image,"dpx:television.interlace",exception); |
| 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",exception); |
| 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",exception); |
| 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",exception); |
| 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", |
| exception); |
| 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",exception); |
| 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",exception); |
| 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",exception); |
| 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",exception); |
| 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",exception); |
| 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",exception); |
| 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",exception); |
| 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",exception); |
| 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",exception); |
| 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",exception); |
| 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(exception,FileOpenError,"UnableToWriteFile", |
| image->filename); |
| break; |
| } |
| offset+=count; |
| } |
| /* |
| Convert pixel packets to DPX raster image. |
| */ |
| quantum_info=AcquireQuantumInfo(image_info,image); |
| if (quantum_info == (QuantumInfo *) NULL) |
| ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed"); |
| SetQuantumQuantum(quantum_info,32); |
| SetQuantumPack(quantum_info,dpx.image.image_element[0].packing == 0 ? |
| MagickTrue : MagickFalse); |
| quantum_type=RGBQuantum; |
| if (image->alpha_trait != UndefinedPixelTrait) |
| quantum_type=RGBAQuantum; |
| if (image->colorspace == YCbCrColorspace) |
| { |
| quantum_type=CbYCrQuantum; |
| if (image->alpha_trait != UndefinedPixelTrait) |
| quantum_type=CbYCrAQuantum; |
| if ((horizontal_factor == 2) || (vertical_factor == 2)) |
| quantum_type=CbYCrYQuantum; |
| } |
| extent=GetBytesPerRow(image->columns, |
| image->alpha_trait != UndefinedPixelTrait ? 4UL : 3UL,image->depth, |
| dpx.image.image_element[0].packing == 0 ? MagickFalse : MagickTrue); |
| if ((image_info->type != TrueColorType) && |
| (image->alpha_trait == UndefinedPixelTrait) && |
| (SetImageGray(image,exception) != MagickFalse)) |
| { |
| quantum_type=GrayQuantum; |
| extent=GetBytesPerRow(image->columns,1UL,image->depth, |
| dpx.image.image_element[0].packing == 0 ? MagickFalse : MagickTrue); |
| } |
| pixels=(unsigned char *) GetQuantumPixels(quantum_info); |
| for (y=0; y < (ssize_t) image->rows; y++) |
| { |
| size_t |
| length; |
| |
| p=GetVirtualPixels(image,0,y,image->columns,1,exception); |
| if (p == (const Quantum *) NULL) |
| break; |
| length=ExportQuantumPixels(image,(CacheView *) NULL,quantum_info, |
| quantum_type,pixels,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); |
| } |
