| DCMTK Version 3.6.9
    OFFIS DICOM Toolkit | 
Decoder class for JPEG Spectral Selection (lossy, 8/12-bit) More...
 Inheritance diagram for DJDecoderSpectralSelection:
 Inheritance diagram for DJDecoderSpectralSelection:| Public Member Functions | |
| DJDecoderSpectralSelection () | |
| default constructor | |
| virtual | ~DJDecoderSpectralSelection () | 
| destructor | |
| virtual E_TransferSyntax | supportedTransferSyntax () const | 
| returns the transfer syntax that this particular codec is able to encode and decode. | |
| virtual OFBool | isLosslessProcess () const | 
| returns true if the transfer syntax supported by this codec is lossless. | |
|  Public Member Functions inherited from DJCodecDecoder | |
| DJCodecDecoder () | |
| default constructor | |
| virtual | ~DJCodecDecoder () | 
| destructor | |
| virtual OFCondition | decode (const DcmRepresentationParameter *fromRepParam, DcmPixelSequence *pixSeq, DcmPolymorphOBOW &uncompressedPixelData, const DcmCodecParameter *cp, const DcmStack &objStack, OFBool &removeOldRep) const | 
| decompresses the given pixel sequence and stores the result in the given uncompressedPixelData element. | |
| virtual OFCondition | decodeFrame (const DcmRepresentationParameter *fromParam, DcmPixelSequence *fromPixSeq, const DcmCodecParameter *cp, DcmItem *dataset, Uint32 frameNo, Uint32 &startFragment, void *buffer, Uint32 bufSize, OFString &decompressedColorModel) const | 
| decompresses a single frame from the given pixel sequence and stores the result in the given buffer. | |
| virtual OFCondition | encode (const Uint16 *pixelData, const Uint32 length, const DcmRepresentationParameter *toRepParam, DcmPixelSequence *&pixSeq, const DcmCodecParameter *cp, DcmStack &objStack, OFBool &removeOldRep) const | 
| compresses the given uncompressed DICOM image and stores the result in the given pixSeq element. | |
| virtual OFCondition | encode (const E_TransferSyntax fromRepType, const DcmRepresentationParameter *fromRepParam, DcmPixelSequence *fromPixSeq, const DcmRepresentationParameter *toRepParam, DcmPixelSequence *&toPixSeq, const DcmCodecParameter *cp, DcmStack &objStack, OFBool &removeOldRep) const | 
| transcodes (re-compresses) the given compressed DICOM image and stores the result in the given toPixSeq element. | |
| virtual OFBool | canChangeCoding (const E_TransferSyntax oldRepType, const E_TransferSyntax newRepType) const | 
| checks if this codec is able to convert from the given current transfer syntax to the given new transfer syntax | |
| virtual OFCondition | determineDecompressedColorModel (const DcmRepresentationParameter *fromParam, DcmPixelSequence *fromPixSeq, const DcmCodecParameter *cp, DcmItem *dataset, OFString &decompressedColorModel) const | 
| determine color model of the decompressed image | |
|  Public Member Functions inherited from DcmCodec | |
| DcmCodec () | |
| default constructor | |
| virtual | ~DcmCodec () | 
| destructor | |
| Private Member Functions | |
| virtual DJDecoder * | createDecoderInstance (const DcmRepresentationParameter *toRepParam, const DJCodecParameter *cp, Uint8 bitsPerSample, OFBool isYBR) const | 
| creates an instance of the compression library to be used for decoding. | |
| Additional Inherited Members | |
|  Static Public Member Functions inherited from DcmCodec | |
| static OFCondition | insertStringIfMissing (DcmItem *dataset, const DcmTagKey &tag, const char *val) | 
| helper function that inserts a string attribute with a given value into a dataset if missing in the dataset. | |
| static OFCondition | convertToSecondaryCapture (DcmItem *dataset) | 
| helper function that converts a dataset containing a DICOM image into a valid (standard extended) Secondary Capture object by inserting all attributes that are type 1/2 in Secondary Capture and missing in the source dataset. | |
| static OFCondition | newInstance (DcmItem *dataset, const char *purposeOfReferenceCodingScheme=NULL, const char *purposeOfReferenceCodeValue=NULL, const char *purposeOfReferenceCodeMeaning=NULL) | 
| create new SOP Instance UID and Source Image Sequence referencing the old SOP instance (if present) | |
| static OFCondition | updateImageType (DcmItem *dataset) | 
| update value of the Image Type element (if needed). | |
| static OFCondition | insertCodeSequence (DcmItem *dataset, const DcmTagKey &tagKey, const char *codingSchemeDesignator, const char *codeValue, const char *codeMeaning) | 
| insert code sequence into the given dataset | |
| static OFCondition | determineStartFragment (Uint32 frameNo, Sint32 numberOfFrames, DcmPixelSequence *fromPixSeq, Uint32 ¤tItem) | 
| determine the index number (starting with zero) of the compressed pixel data fragment corresponding to the given frame (also starting with zero) | |
Decoder class for JPEG Spectral Selection (lossy, 8/12-bit)
| 
 | privatevirtual | 
creates an instance of the compression library to be used for decoding.
| toRepParam | representation parameter passed to decode() | 
| cp | codec parameter passed to decode() | 
| bitsPerSample | bits per sample for the image data | 
| isYBR | flag indicating whether DICOM photometric interpretation is YCbCr | 
Implements DJCodecDecoder.
| 
 | virtual | 
returns true if the transfer syntax supported by this codec is lossless.
Implements DJCodecDecoder.
| 
 | virtual | 
returns the transfer syntax that this particular codec is able to encode and decode.
Implements DJCodecDecoder.