Interface class to DICOM data management (dcmdata). More...

Inheritance diagram for DiDocument:

Public Member Functions
	DiDocument (const char *filename, const unsigned long flags=0, const unsigned long fstart=0, const unsigned long fcount=0)
	constructor, open a DICOM file More...

	DiDocument (DcmObject *object, const E_TransferSyntax xfer, const unsigned long flags=0, const unsigned long fstart=0, const unsigned long fcount=0)
	constructor, use a given DcmObject More...

virtual	~DiDocument ()
	destructor

int	good () const
	check whether current document is valid More...

DcmObject *	getDicomObject () const
	get current DICOM object (dataset) More...

DcmDataset *	getDataset () const
	get current DICOM dataset More...

unsigned long	getFrameStart () const
	get first frame to be processed More...

unsigned long	getFrameCount () const
	get number of frames to be processed More...

unsigned long	getFlags () const
	get configuration flags More...

E_TransferSyntax	getTransferSyntax () const
	get transfer syntax of the DICOM dataset More...

const char *	getPhotometricInterpretation () const
	get photometric interpretation (color model). More...

DcmPixelData *	getPixelData () const
	get pixel data object More...

OFBool	isCompressed () const
	check whether pixel data only exist in compressed format More...

DcmElement *	search (const DcmTagKey &tag, DcmObject *obj=NULL) const
	search for given tag More...

int	search (const DcmTagKey &tag, DcmStack &stack) const
	search for given tag and put result(s) on a stack More...

unsigned long	getVM (const DcmTagKey &tag) const
	get value multiplicity (VM) of given tag More...

unsigned long	getValue (const DcmTagKey &tag, Uint16 &returnVal, const unsigned long pos=0, DcmItem *item=NULL, const OFBool allowSigned=OFFalse) const
	get value of given tag (Uint16) More...

unsigned long	getValue (const DcmTagKey &tag, Sint16 &returnVal, const unsigned long pos=0, DcmItem *item=NULL) const
	get value of given tag (Sint16) More...

unsigned long	getValue (const DcmTagKey &tag, Uint32 &returnVal, const unsigned long pos=0, DcmItem *item=NULL) const
	get value of given tag (Uint32) More...

unsigned long	getValue (const DcmTagKey &tag, Sint32 &returnVal, const unsigned long pos=0, DcmItem *item=NULL) const
	get value of given tag (Sint32) More...

unsigned long	getValue (const DcmTagKey &tag, double &returnVal, const unsigned long pos=0, DcmItem *item=NULL) const
	get value of given tag (double) More...

unsigned long	getValue (const DcmTagKey &tag, const Uint16 &returnVal, DcmItem item=NULL) const
	get value of given tag (Uint16 array) More...

unsigned long	getValue (const DcmTagKey &tag, const char &returnVal, DcmItem item=NULL) const
	get value of given tag (const char *) More...

unsigned long	getValue (const DcmTagKey &tag, OFString &returnVal, const unsigned long pos=0, DcmItem *item=NULL) const
	get value of given tag (OFString) More...

unsigned long	getSequence (const DcmTagKey &tag, DcmSequenceOfItems &seq, DcmItem item=NULL) const
	get sequence of given tag More...

Public Member Functions inherited from DiObjectCounter
void	addReference ()
	add a reference. More...

void	removeReference ()
	remove a reference. More...

Static Public Member Functions
static unsigned long	getElemValue (const DcmElement *elem, Uint16 &returnVal, const unsigned long pos=0, const OFBool allowSigned=OFFalse)
	get value of given element (Uint16) More...

static unsigned long	getElemValue (const DcmElement elem, const Uint16 &returnVal)
	get value of given element (Uint16 array) More...

static unsigned long	getElemValue (const DcmElement elem, const char &returnVal)
	get value of given element (const char *) More...

static unsigned long	getElemValue (const DcmElement *elem, OFString &returnVal, const unsigned long pos=0)
	get value of given element (OFString) More...

Protected Member Functions
void	convertPixelData ()
	convert pixel data to uncompressed representation (if required)

Protected Member Functions inherited from DiObjectCounter
	DiObjectCounter ()
	constructor. More...

virtual	~DiObjectCounter ()
	destructor

Private Attributes
DcmObject *	Object
	reference to DICOM dataset (in memory)

DcmFileFormat *	FileFormat
	reference to DICOM fileformat (read from file, maybe NULL)

DcmPixelData *	PixelData
	reference to pixel data object

E_TransferSyntax	Xfer
	transfer syntax used for reading the dataset

unsigned long	FrameStart
	first frame to be processed

unsigned long	FrameCount
	number of frames to be processed

unsigned long	Flags
	configuration flags

OFString	PhotometricInterpretation
	photometric interpretation (color model)

Detailed Description

Interface class to DICOM data management (dcmdata).

NB: This is an internal class of module dcmimgle/dcmimage. Please do not use it for accessing DICOM data structures. Instead use the classes and functions provided by dcmdata (e.g. class DcmFileFormat, DcmItem).

Constructor & Destructor Documentation

DiDocument::DiDocument	(	const char *	filename,
		const unsigned long	flags = `0`,
		const unsigned long	fstart = `0`,
		const unsigned long	fcount = `0`
	)

constructor, open a DICOM file

Parameters

filename	the DICOM file
flags	configuration flags (only stored for later use)
fstart	first frame to be processed (only stored for later use)
fcount	number of frames (only stored for later use)

DiDocument::DiDocument	(	DcmObject *	object,
		const E_TransferSyntax	xfer,
		const unsigned long	flags = `0`,
		const unsigned long	fstart = `0`,
		const unsigned long	fcount = `0`
	)

constructor, use a given DcmObject

Parameters

object	pointer to DICOM data structures (fileformat, dataset or item)
xfer	transfer syntax of the 'object'. (could also be EXS_Unknown in case of fileformat or dataset)
flags	configuration flags (only stored for later use)
fstart	first frame to be processed (only stored for later use)
fcount	number of frames (only stored for later use)

Member Function Documentation

DcmDataset* DiDocument::getDataset ( void ) const

inline

get current DICOM dataset

Returns: pointer to DICOM dataset

Referenced by DiInputPixelTemplate< T1, T2 >::convert().

DcmObject* DiDocument::getDicomObject ( ) const

inline

get current DICOM object (dataset)

Returns: pointer to DICOM object

static unsigned long DiDocument::getElemValue	(	const DcmElement *	elem,
		Uint16 &	returnVal,
		const unsigned long	pos = `0`,
		const OFBool	allowSigned = `OFFalse`
	)

static

get value of given element (Uint16)

Parameters

elem	element where the value is stored
returnVal	reference to the storage area for the resulting value
pos	position in multi-valued elements (starting with 0)
allowSigned	also allow signed value (Sint16) if true

Returns: VM if successful, 0 otherwise

static unsigned long DiDocument::getElemValue	(	const DcmElement *	elem,
		const Uint16 *&	returnVal
	)

static

get value of given element (Uint16 array)

Parameters

elem	element where the value is stored
returnVal	reference to the storage area for the resulting value

Returns: VM / number of values if successful, 0 otherwise

static unsigned long DiDocument::getElemValue	(	const DcmElement *	elem,
		const char *&	returnVal
	)

static

get value of given element (const char *)

Parameters

elem	element where the value is stored
returnVal	reference to the storage area for the resulting value

Returns: VM if successful, 0 otherwise

static unsigned long DiDocument::getElemValue	(	const DcmElement *	elem,
		OFString &	returnVal,
		const unsigned long	pos = `0`
	)

static

get value of given element (OFString)

Parameters

elem	element where the value is stored
returnVal	reference to the storage area for the resulting value
pos	position in multi-valued elements (starting with 0)

Returns: VM if successful, 0 otherwise

unsigned long DiDocument::getFlags ( ) const

inline

get configuration flags

Returns: configuration flags

Referenced by DiInputPixelTemplate< T1, T2 >::convert().

unsigned long DiDocument::getFrameCount ( ) const

inline

get number of frames to be processed

Returns: number of frames to be processed

unsigned long DiDocument::getFrameStart ( ) const

inline

get first frame to be processed

Returns: first frame to be processed

const char* DiDocument::getPhotometricInterpretation ( ) const

inline

get photometric interpretation (color model).

Please note that this is the color model of the decompressed image which might deviate from the color model of the original compressed image.

Returns: photometric interpretation of the DICOM object

Referenced by DiInputPixelTemplate< T1, T2 >::convert().

DcmPixelData* DiDocument::getPixelData ( ) const

inline

get pixel data object

Returns: reference to pixel data object (might be NULL)

Referenced by DiInputPixelTemplate< T1, T2 >::convert(), and DiInputPixelTemplate< T1, T2 >::DiInputPixelTemplate().

unsigned long DiDocument::getSequence	(	const DcmTagKey &	tag,
		DcmSequenceOfItems *&	seq,
		DcmItem *	item = `NULL`
	)		const

get sequence of given tag

Parameters

tag	tag to search for
seq	reference to the storage area for the resulting value
item	pointer to item in dataset where to start (default: main dataset)

Returns: cardinality if successful, 0 otherwise

E_TransferSyntax DiDocument::getTransferSyntax ( ) const

inline

get transfer syntax of the DICOM dataset

Returns: transfer syntax

unsigned long DiDocument::getValue	(	const DcmTagKey &	tag,
		Uint16 &	returnVal,
		const unsigned long	pos = `0`,
		DcmItem *	item = `NULL`,
		const OFBool	allowSigned = `OFFalse`
	)		const

get value of given tag (Uint16)

Parameters

tag	tag to search for
returnVal	reference to the storage area for the resulting value
pos	position in multi-valued elements (starting with 0)
item	pointer to item in dataset where to start (default: main dataset)
allowSigned	also allow signed value (Sint16) if true

Returns: VM if successful, 0 otherwise

unsigned long DiDocument::getValue	(	const DcmTagKey &	tag,
		Sint16 &	returnVal,
		const unsigned long	pos = `0`,
		DcmItem *	item = `NULL`
	)		const

get value of given tag (Sint16)

Parameters

tag	tag to search for
returnVal	reference to the storage area for the resulting value
pos	position in multi-valued elements (starting with 0)
item	pointer to item in dataset where to start (default: main dataset)

Returns: VM if successful, 0 otherwise

unsigned long DiDocument::getValue	(	const DcmTagKey &	tag,
		Uint32 &	returnVal,
		const unsigned long	pos = `0`,
		DcmItem *	item = `NULL`
	)		const

get value of given tag (Uint32)

Parameters

tag	tag to search for
returnVal	reference to the storage area for the resulting value
pos	position in multi-valued elements (starting with 0)
item	pointer to item in dataset where to start (default: main dataset)

Returns: VM if successful, 0 otherwise

unsigned long DiDocument::getValue	(	const DcmTagKey &	tag,
		Sint32 &	returnVal,
		const unsigned long	pos = `0`,
		DcmItem *	item = `NULL`
	)		const

get value of given tag (Sint32)

Parameters

tag	tag to search for
returnVal	reference to the storage area for the resulting value
pos	position in multi-valued elements (starting with 0)
item	pointer to item in dataset where to start (default: main dataset)

Returns: VM if successful, 0 otherwise

unsigned long DiDocument::getValue	(	const DcmTagKey &	tag,
		double &	returnVal,
		const unsigned long	pos = `0`,
		DcmItem *	item = `NULL`
	)		const

get value of given tag (double)

Parameters

tag	tag to search for
returnVal	reference to the storage area for the resulting value
pos	position in multi-valued elements (starting with 0)
item	pointer to item in dataset where to start (default: main dataset)

Returns: VM if successful, 0 otherwise

unsigned long DiDocument::getValue	(	const DcmTagKey &	tag,
		const Uint16 *&	returnVal,
		DcmItem *	item = `NULL`
	)		const

get value of given tag (Uint16 array)

Parameters

tag	tag to search for
returnVal	reference to the storage area for the resulting value
item	pointer to item in dataset where to start (default: main dataset)

Returns: VM / number of values if successful, 0 otherwise

unsigned long DiDocument::getValue	(	const DcmTagKey &	tag,
		const char *&	returnVal,
		DcmItem *	item = `NULL`
	)		const

get value of given tag (const char *)

Parameters

tag	tag to search for
returnVal	reference to the storage area for the resulting value
item	pointer to item in dataset where to start (default: main dataset)

Returns: VM if successful, 0 otherwise

unsigned long DiDocument::getValue	(	const DcmTagKey &	tag,
		OFString &	returnVal,
		const unsigned long	pos = `0`,
		DcmItem *	item = `NULL`
	)		const

get value of given tag (OFString)

Parameters

tag	tag to search for
returnVal	reference to the storage area for the resulting value
pos	position in multi-valued elements (starting with 0)
item	pointer to item in dataset where to start (default: main dataset)

Returns: VM if successful, 0 otherwise

unsigned long DiDocument::getVM ( const DcmTagKey & tag ) const

get value multiplicity (VM) of given tag

Parameters

tag	tag to be searched

Returns: VM if successful, 0 otherwise

int DiDocument::good ( ) const

inline

check whether current document is valid

Returns: status, true if successful, false otherwise

OFBool DiDocument::isCompressed ( ) const

inline

check whether pixel data only exist in compressed format

Returns: true if pixel data is compressed, false if an uncompressed version exists

References DcmXfer::isEncapsulated().

DcmElement* DiDocument::search	(	const DcmTagKey &	tag,
		DcmObject *	obj = `NULL`
	)		const

search for given tag

Parameters

tag	tag to search for
obj	element in the dataset where the search should start (default: root)

Returns: pointer to element if successful, NULL otherwise

int DiDocument::search	(	const DcmTagKey &	tag,
		DcmStack &	stack
	)		const

search for given tag and put result(s) on a stack

Parameters

tag	tag to search for
stack	stack where the result(s) should be stored

Returns: status, true if successful, false otherwise

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

dcmimgle/include/dcmtk/dcmimgle/didocu.h

Public Member Functions

Static Public Member Functions

Protected Member Functions

Private Attributes

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation