DCMTK: DJLSNearLosslessEncoder Class Reference

DCMTK Version 3.6.9 OFFIS DICOM Toolkit

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Private Member Functions | List of all members
DJLSNearLosslessEncoder Class Reference

codec class for JPEG-LS lossy and lossless TS encoding More...

Inheritance diagram for DJLSNearLosslessEncoder:

## Private Member Functions
virtual E_TransferSyntax | supportedTransferSyntax () const
| returns the transfer syntax that this particular codec is able to encode

## Additional Inherited Members
Public Member Functions inherited from DJLSEncoderBase
| DJLSEncoderBase ()
| default constructor
virtual | ~DJLSEncoderBase ()
| 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
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 &currentItem)
| determine the index number (starting with zero) of the compressed pixel data fragment corresponding to the given frame (also starting with zero)

## Detailed Description

codec class for JPEG-LS lossy and lossless TS encoding

## Member Function Documentation

## ◆ supportedTransferSyntax()

virtual E_TransferSyntax DJLSNearLosslessEncoder::supportedTransferSyntax | ( |  | ) | const
| privatevirtual

returns the transfer syntax that this particular codec is able to encode

Returns
  supported transfer syntax

Implements DJLSEncoderBase.

The documentation for this class was generated from the following file:

- dcmjpls/include/dcmtk/dcmjpls/djcodece.h

Generated on Sat Mar 1 2025 for DCMTK Version 3.6.9 by Doxygen 1.13.2