a Grayscale Softcopy Presentation State. More...

Inheritance diagram for DcmPresentationState:

Public Member Functions
	DcmPresentationState ()
	default constructor
virtual	~DcmPresentationState ()
	destructor
OFCondition	read (DcmItem &dset)
	reads a presentation state from a DICOM dataset.
OFCondition	write (DcmItem &dset, OFBool replaceSOPInstanceUID)
	writes the presentation state managed by this object to a DICOM dataset.
const char *	createInstanceUID ()
	generates a new SOP Instance UID for the Presentation State.
const char *	getInstanceUID ()
	returns the current SOP Instance UID for the Presentation State.
const char *	getSOPClassUID ()
	returns the (currently hard-coded) SOP Class UID of the Presentation State.
const char *	getPatientID ()
	returns the patient ID of the presentation state
const char *	getStudyUID ()
	returns the Study Instance UID of the presentation state.
OFCondition	addImageReference (const char studyUID, const char seriesUID, const char sopclassUID, const char instanceUID, const char frames=NULL, const char aetitle=NULL, const char filesetID=NULL, const char filesetUID=NULL)
	adds a reference to an image to this presentation state.
OFCondition	addImageReference (DcmItem &dset, const char aetitle=NULL, const char filesetID=NULL, const char *filesetUID=NULL)
	adds a reference to an image to this presentation state.
OFCondition	removeImageReference (const char studyUID, const char seriesUID, const char *instanceUID)
	removes a reference to an image from this presentation state.
OFCondition	removeImageReference (DcmItem &dset)
	removes a reference to an image from this presentation state.
size_t	numberOfImageReferences ()
	gets the number of image references in all series managed by this list.
OFCondition	getImageReference (size_t idx, OFString &studyUID, OFString &seriesUID, OFString &sopclassUID, OFString &instanceUID, OFString &frames, OFString &aetitle, OFString &filesetID, OFString &filesetUID)
	gets an image reference with the given index.
void	clear ()
	resets the object to initial state.
OFCondition	createFromImage (DcmItem &dset, DVPSoverlayActivation overlayActivation=DVPSO_copyOverlays, DVPSVOIActivation voiActivation=DVPSV_preferVOILUT, OFBool curveActivation=OFTrue, OFBool shutterActivation=OFTrue, OFBool presentationActivation=OFTrue, DVPSGraphicLayering layering=DVPSG_twoLayers, const char aetitle=NULL, const char filesetID=NULL, const char *filesetUID=NULL)
	creates a default presentation state for a DICOM image.
DVPSPresentationLUTType	getPresentationLUT ()
	gets the current Presentation LUT type.
OFBool	havePresentationLookupTable ()
	checks if a real Presentation LUT (not shape) is available in the presentation state.
const char *	getCurrentPresentationLUTExplanation ()
	gets a description of the current presentation LUT.
const char *	getPresentationLUTExplanation ()
	returns the LUT explanation of the presentation LUT if it exists and is non-empty.
DVPSPresentationLUT *	getPresentationLUTData ()
	gets the current Presentation LUT object.
DVPSRotationType	getRotation ()
	gets the current rotation status of the presentation state.
OFBool	getFlip ()
	gets the current horizontal flip status of the presentation state.
OFCondition	setRotation (DVPSRotationType rotation)
	sets rotation status of the presentation state.
OFCondition	setFlip (OFBool isFlipped)
	sets horizontal flip status of the presentation state.
OFBool	haveShutter (DVPSShutterType type)
	checks if a display shutter of given type is active.
Sint32	getRectShutterLV ()
	gets rectangular shutter left vertical edge.
Sint32	getRectShutterRV ()
	gets rectangular shutter right vertical edge.
Sint32	getRectShutterUH ()
	gets rectangular shutter upper horitontal edge.
Sint32	getRectShutterLH ()
	gets rectangular shutter lower horiztonal edge.
Sint32	getCenterOfCircularShutter_x ()
	gets circular shutter center x component.
Sint32	getCenterOfCircularShutter_y ()
	gets circular shutter center y component.
Sint32	getRadiusOfCircularShutter ()
	gets circular shutter radius.
size_t	getNumberOfPolyShutterVertices ()
	gets polygonal shutter number of points.
OFCondition	getPolyShutterVertex (size_t idx, Sint32 &x, Sint32 &y)
	get polygonal shutter point.
OFCondition	setPolyShutterOrigin (Sint32 x, Sint32 y)
	sets polygonal display shutter origin.
Uint16	getShutterPresentationValue ()
	gets the shutter presentation value.
OFCondition	setShutterPresentationValue (Uint16 pvalue)
	sets the shutter presentation value to the given P-value.
const char *	getPresentationLabel ()
	returns a label for the presentation state.
const char *	getPresentationDescription ()
	returns a description for the presentation state.
const char *	getPresentationCreatorsName ()
	returns the creator's name for the presentation state.
OFCondition	setPresentationLabel (const char *label)
	sets the presentation state label.
OFCondition	setPresentationDescription (const char *descr)
	sets the presentation state description.
OFCondition	setPresentationCreatorsName (const char *name)
	sets the presentation state creator's name.
OFCondition	setCharset (DVPScharacterSet charset)
	sets the specific character set for this presentation state.
DVPScharacterSet	getCharset ()
	gets the specific character set for this presentation state.
const char *	getCharsetString ()
	gets the specific character set string for this presentation state.
void	sortGraphicLayers ()
	sorts the graphic layers according to the graphic layer order.
size_t	getNumberOfGraphicLayers ()
	returns the number of graphic layers.
const char *	getGraphicLayerName (size_t idx)
	gets the unique name of the graphic layer with the given index.
size_t	getGraphicLayerIndex (const char *name)
	gets the index of the graphic layer with the given unique name.
const char *	getGraphicLayerDescription (size_t idx)
	gets a description string for the graphic layer with the given index.
OFBool	haveGraphicLayerRecommendedDisplayValue (size_t idx)
	checks whether a recommended display value (grayscale, color or both) for the given graphic layer exists.
OFCondition	getGraphicLayerRecommendedDisplayValueGray (size_t idx, Uint16 &gray)
	gets the recommended grayscale display value for the given graphic layer.
OFCondition	getGraphicLayerRecommendedDisplayValueRGB (size_t idx, Uint16 &r, Uint16 &g, Uint16 &b)
	gets the recommended RGB display value for the given graphic layer.
OFCondition	setGraphicLayerRecommendedDisplayValueGray (size_t idx, Uint16 gray)
	set graphic layer recommended grayscale display value for the given graphic layer.
OFCondition	setGraphicLayerRecommendedDisplayValueRGB (size_t idx, Uint16 r, Uint16 g, Uint16 b)
	set graphic layer recommended RGB display value for the given graphic layer.
void	removeGraphicLayerRecommendedDisplayValue (size_t idx, OFBool rgb, OFBool monochrome)
	removes recommended display values for the given graphic layer.
OFCondition	setGraphicLayerName (size_t idx, const char *name)
	assigns a new unique name to the given graphic layer.
OFCondition	setGraphicLayerDescription (size_t idx, const char *descr)
	sets a new description to the given graphic layer.
OFCondition	toFrontGraphicLayer (size_t idx)
	makes a graphic layer the highest layer for display.
OFCondition	toBackGraphicLayer (size_t idx)
	makes a graphic layer the lowest layer for display.
OFCondition	exchangeGraphicLayers (size_t idx1, size_t idx2)
	exchanges the layer order of the two graphic layers with the given indices.
OFCondition	addGraphicLayer (const char gLayer, const char gLayerDescription=NULL)
	creates a new graphic layer with the given name and optional description.
size_t	getNumberOfCurves (size_t layer)
	returns the number of curve activations for the given graphic layer.
OFCondition	removeCurve (size_t layer, size_t idx)
	deletes the curve activation with the given index on the given layer.
OFCondition	moveCurve (size_t old_layer, size_t idx, size_t new_layer)
	moves the curve activation with the given index on the given layer to a different layer.
size_t	getNumberOfActiveOverlays (size_t layer)
	gets the number of overlays that are currently activated on the given graphic layer.
Uint16	getActiveOverlayGroup (size_t layer, size_t idx)
	gets the repeating group number of the given activated overlay.
size_t	getNumberOfOverlaysInPresentationState ()
	gets the number of overlays which are embedded in the presentation state.
Uint16	getOverlayInPresentationStateGroup (size_t idx)
	gets the repeating group number of the given overlay in the presentation state.
const char *	getOverlayInPresentationStateLabel (size_t idx)
	gets the overlay label of the given overlay in the presentation state.
const char *	getOverlayInPresentationStateDescription (size_t idx)
	gets the overlay description of the given overlay in the presentation state.
size_t	getOverlayInPresentationStateActivationLayer (size_t idx)
	gets the index of the activation layer on which the given overlay from the presentation state is activated.
OFBool	overlayIsBitmapShutter (size_t idx)
	checks if the given overlay in the presentation state is currently activated as a bitmap shutter.
OFBool	overlayInPresentationStateIsROI (size_t idx)
	checks whether the given overlay in the presentation state is a ROI (region of interest) overlay.
OFCondition	moveOverlay (size_t old_layer, size_t idx, size_t new_layer)
	moves the overlay activation with the given index on the given layer to a different layer.
Protected Member Functions
OFCondition	createDefaultDisplayedArea (DcmItem &dset)
	creates a default displayed area selection for the given dataset.
Protected Attributes
DcmPersonName	patientName
	Module=Patient, VR=PN, VM=1, Type 1.
DcmLongString	patientID
	Module=Patient, VR=LO, VM=1, Type 2.
DcmDate	patientBirthDate
	Module=Patient, VR=DA, VM=1, Type 2.
DcmCodeString	patientSex
	Module=Patient, VR=CS, VM=1, Type 2.
DcmUniqueIdentifier	studyInstanceUID
	Module=General_Study, VR=UI, VM=1, Type 1.
DcmDate	studyDate
	Module=General_Study, VR=DA, VM=1, Type 2.
DcmTime	studyTime
	Module=General_Study, VR=TM, VM=1, Type 2.
DcmPersonName	referringPhysicianName
	Module=General_Study, VR=PN, VM=1, Type 2.
DcmShortString	studyID
	Module=General_Study, VR=SH, VM=1, Type 2.
DcmShortString	accessionNumber
	Module=General_Study, VR=SH, VM=1, Type 2.
DcmUniqueIdentifier	seriesInstanceUID
	Module=General_Series, VR=UI, VM=1, Type 1.
DcmIntegerString	seriesNumber
	Module=General_Series, VR=IS, VM=1, Type 2.
DcmLongString	manufacturer
	Module=General_Equipment, VR=LO, VM=1, Type 2.
DVPSDisplayedArea_PList	displayedAreaSelectionList
	Module=Displayed_Area, VR=SQ, Card=1-n, Type 1.
DVPSPresentationLUT	presentationLUT
	Module=Softcopy_Presentation_LUT, VR=SQ, Card=1, Type 1C.
DcmIntegerString	imageNumber
	Module=Presentation_State, VR=IS, VM=1, Type 1.
DcmCodeString	presentationLabel
	Module=Presentation_State, VR=CS, VM=1, Type 1.
DcmLongString	presentationDescription
	Module=Presentation_State, VR=LO, VM=1, Type 2.
DcmDate	presentationCreationDate
	Module=Presentation_State, VR=DA, VM=1, Type 1.
DcmTime	presentationCreationTime
	Module=Presentation_State, VR=TM, VM=1, Type 1.
DcmPersonName	presentationCreatorsName
	Module=Presentation_State, VR=PN, VM=1, Type 2.
DVPSReferencedSeries_PList	referencedSeriesList
	ReferencedSeriesSequence, Module=Presentation_State.
DcmUniqueIdentifier	sOPInstanceUID
	Module=SOP_Common, VR=UI, VM=1, Type 1.
DcmCodeString	specificCharacterSet
	Module=SOP_Common, VR=CS, VM=1-n, Type 1C.
DcmDate	instanceCreationDate
	Module=SOP_Common, VR=DA, VM=1, Type 3.
DcmTime	instanceCreationTime
	Module=SOP_Common, VR=TM, VM=1, Type 3.
DcmUniqueIdentifier	instanceCreatorUID
	Module=SOP_Common, VR=UI, VM=1, Type 3.
OFBool	useShutterRectangular
	if true, a rectangular shutter is in use
OFBool	useShutterCircular
	if true, a circular shutter is in use
OFBool	useShutterPolygonal
	if true, a polygonal shutter is in use
OFBool	useShutterBitmap
	if true, a bitmap shutter is in use
DcmCodeString	shutterShape
	Module=Display_Shutter, VM=CS, VR=1-3, Type 1.
DcmIntegerString	shutterLeftVerticalEdge
	Module=Display_Shutter, VR=IS, VM=1, Type 1C.
DcmIntegerString	shutterRightVerticalEdge
	Module=Display_Shutter, VR=IS, VM=1, Type 1C.
DcmIntegerString	shutterUpperHorizontalEdge
	Module=Display_Shutter, VR=IS, VM=1, Type 1C.
DcmIntegerString	shutterLowerHorizontalEdge
	Module=Display_Shutter, VR=IS, VM=1, Type 1C.
DcmIntegerString	centerOfCircularShutter
	Module=Display_Shutter, VR=IS, VM=2, Type 1C.
DcmIntegerString	radiusOfCircularShutter
	Module=Display_Shutter, VR=IS, VM=1, Type 1C.
DcmIntegerString	verticesOfThePolygonalShutter
	Module=Display_Shutter, VR=IS, VM=2-2n, Type 1C.
DcmUnsignedShort	shutterPresentationValue
	Module=Display_Shutter, VR=US, VM=1, Type 3 (1c in other modules)
DcmUnsignedShort	shutterOverlayGroup
	Module=Bitmap_Display_Shutter, VR=US, VM=1, Type 1.
DVPSOverlay_PList	overlayList
	Overlay(s), Module=Overlay_Plane.
DVPSOverlayCurveActivationLayer_PList	activationLayerList
	Overlay/Curve Activation Layer(s), Module=Overlay_Activation/Curve_Activation.
DVPSGraphicAnnotation_PList	graphicAnnotationList
	GraphicAnnotationSequence, Module=Graphic_Annotation.
DcmUnsignedShort	imageRotation
	Module=Spatial_Transform, VR=US, VM=1, Type 1.
DcmCodeString	imageHorizontalFlip
	Module=Spatial_Transform, VR=CS, VM=1, Type 1.
DVPSGraphicLayer_PList	graphicLayerList
	GraphicLayerSequence, Module=Graphic_Layer.
OFBool	useModalityRescale
	if true, a modality rescale slope/intercept is set
OFBool	useModalityLUT
	if true, a modality LUT is set
DcmUnsignedShort	modalityLUTDescriptor
	Module=Modality_LUT, VR=xs, VM=3, Type 1c.
DcmLongString	modalityLUTExplanation
	Module=Modality_LUT, VR=LO, VM=1, Type 3.
DcmLongString	modalityLUTType
	Module=Modality_LUT, VR=LO, VM=1, Type 3.
DcmUnsignedShort	modalityLUTData
	Module=Modality_LUT, VR=xs, VM=1-n, Type 1c.
DcmDecimalString	rescaleIntercept
	Module=Modality_LUT, VR=DS, VM=1, Type 1c.
DcmDecimalString	rescaleSlope
	Module=Modality_LUT, VR=DS, VM=1, Type 1c.
DcmLongString	rescaleType
	Module=Modality_LUT, VR=LO, VM=1, Type 1c.
DVPSSoftcopyVOI_PList	softcopyVOIList
	Module=Softcopy_VOI_LUT, VR=SQ, Card=1-n, Type 1.
Private Member Functions
	DcmPresentationState (const DcmPresentationState &copy)
	private undefined copy constructor
DcmPresentationState &	operator= (const DcmPresentationState &obj)
	private undefined assignment operator
OFCondition	createDummyValues (OFBool replaceSOPInstanceUID)
	create dummy values for all missing type 1 elements.
void	cleanupLayers ()
	removes and deletes all graphic layer for which no matching text, graphic, curve or overlay object exists.

Detailed Description

a Grayscale Softcopy Presentation State.

This class manages the data structures comprising a Presentation State object. Presentation states can be created, read, written, and modified.

Member Function Documentation

OFCondition DcmPresentationState::addGraphicLayer	(	const char *	gLayer,
		const char *	gLayerDescription = `NULL`
	)

creates a new graphic layer with the given name and optional description.

The new name must be unique, otherwise an error code is returned. The toFrontGraphicLayer() method is implicitly called for the new layer.

Parameters:

gLayer	the name of the graphic layer. Must be a valid DICOM Code String.
gLayerDescription	the optional description of the graphic layer. Must be a valid DICOM Long String.

Returns:: EC_Normal upon success, an error code otherwise

OFCondition DcmPresentationState::addImageReference	(	const char *	studyUID,
		const char *	seriesUID,
		const char *	sopclassUID,
		const char *	instanceUID,
		const char *	frames = `NULL`,
		const char *	aetitle = `NULL`,
		const char *	filesetID = `NULL`,
		const char *	filesetUID = `NULL`
	)

adds a reference to an image to this presentation state.

This method checks if the given SOP class and Study UID match for this presentation state and returns an error code otherwise.

Parameters:

studyUID	the Study Instance UID of the image reference to be added.
seriesUID	the Series Instance UID of the image reference to be added.
sopclassUID	the SOP class UID of the image reference to be added.
instanceUID	the SOP instance UID of the image reference to be added.
frames	a list of frame numbers in DICOM IS format (integer numbers separated by '\' characters). Default: frame numbers absent. The frame numbers are required if the referenced image is a multiframe image.
aetitle	the series retrieveAETitle. Must be a valid DICOM 'AE' value. Default: value absent.
filesetID	the series storageMediaFileSetID. Must be a valid DICOM 'SH' value. Default: value absent.
filesetUID	the series storageMediaFileSetUID. Must be a valid DICOM UID. Default: value absent.

Returns:: EC_Normal if successful, an error code otherwise.

OFCondition DcmPresentationState::addImageReference	(	DcmItem &	dset,
		const char *	aetitle = `NULL`,
		const char *	filesetID = `NULL`,
		const char *	filesetUID = `NULL`
	)

adds a reference to an image to this presentation state.

This method checks if the given SOP class and Study UID match for this presentation state and returns an error code otherwise.

Parameters:

dset	the DICOM dataset containing the image IOD
aetitle	the series retrieveAETitle. Must be a valid DICOM 'AE' value. Default: value absent.
filesetID	the series storageMediaFileSetID. Must be a valid DICOM 'SH' value. Default: value absent.
filesetUID	the series storageMediaFileSetUID. Must be a valid DICOM UID. Default: value absent.

Returns:: EC_Normal if successful, an error code otherwise.

void DcmPresentationState::cleanupLayers ( ) [private]

removes and deletes all graphic layer for which no matching text, graphic, curve or overlay object exists.

Also deletes all graphic annotation sequence items containing no text and no graphic object. Called before writing a presentation state.

void DcmPresentationState::clear ( )

resets the object to initial state.

After this call, the object is in the same state as after creation with the default constructor.

Reimplemented in DVPresentationState.

OFCondition DcmPresentationState::createDefaultDisplayedArea ( DcmItem & dset ) [protected]

creates a default displayed area selection for the given dataset.

Used in createFromImage().

Parameters:

dset	the DICOM dataset containing the image IOD

Returns:: EC_Normal upon success, an error code otherwise.

OFCondition DcmPresentationState::createDummyValues ( OFBool replaceSOPInstanceUID ) [private]

create dummy values for all missing type 1 elements.

Called before a presentation state is written to make sure that the presentation state is complete.

Parameters:

replaceSOPInstanceUID flag indicating whether the SOP Instance UID should be replaced by a new UID. If true, a new UID is always generated. If false, a new UID is generated only if no UID has been assigned before.

Returns:: EC_Normal if successful, an error code otherwise.

OFCondition DcmPresentationState::createFromImage	(	DcmItem &	dset,
		DVPSoverlayActivation	overlayActivation = `DVPSO_copyOverlays`,
		DVPSVOIActivation	voiActivation = `DVPSV_preferVOILUT`,
		OFBool	curveActivation = `OFTrue`,
		OFBool	shutterActivation = `OFTrue`,
		OFBool	presentationActivation = `OFTrue`,
		DVPSGraphicLayering	layering = `DVPSG_twoLayers`,
		const char *	aetitle = `NULL`,
		const char *	filesetID = `NULL`,
		const char *	filesetUID = `NULL`
	)

creates a default presentation state for a DICOM image.

A number of flags specify how curves, overlays, VOI transformations, a display shutter and a presentation LUT shape should be treated when found in the image IOD. If this method returns an error code, the object is in undefined state afterwards.

Parameters:

dset	the DICOM dataset containing the image IOD
overlayActivation	flag defining how overlays should be handled (copied, activated or ignored). Default: Copy overlays.
voiActivation	flag defining how VOI LUTs or VOI window width/center should be handled. Default: Use VOI and prefer VOI LUT from VOI window.
curveActivation	flag defining whether curves in the image should be activated. Default: Activate curves.
shutterActivation	flag defining whether a shutter (not bitmap shutter) should be copied to the presentation state when found in the image. Default: Copy shutter.
presentationActivation	flag defining whether a presentation LUT shape should be copied to the presentation state when found in the image. Default: Copy presentation LUT shape.
layering	flag defining how graphic layers should be created for activated overlays and curves. Default: Create one layer for all overlays and another layer for all curves.
aetitle	the series retrieveAETitle. Must be a valid DICOM 'AE' value. Default: value absent.
filesetID	the series storageMediaFileSetID. Must be a valid DICOM 'SH' value. Default: value absent.
filesetUID	the series storageMediaFileSetUID. Must be a valid DICOM UID. Default: value absent.

Returns:: EC_Normal upon success, an error code otherwise.

Reimplemented in DVPresentationState.

const char* DcmPresentationState::createInstanceUID ( )

generates a new SOP Instance UID for the Presentation State.

Returns:: new SOP Instance UID if successfully set, NULL otherwise.

OFCondition DcmPresentationState::exchangeGraphicLayers	(	size_t	idx1,
		size_t	idx2
	)

exchanges the layer order of the two graphic layers with the given indices.

This method does not sort or renumber the graphic layers.

Parameters:

idx1	index of the first graphic layer, must be < getNumberOfGraphicLayers()
idx2	index of the second graphic layer, must be < getNumberOfGraphicLayers()

Returns:: EC_Normal upon success, an error code otherwise

Uint16 DcmPresentationState::getActiveOverlayGroup	(	size_t	layer,
		size_t	idx
	)

gets the repeating group number of the given activated overlay.

Parameters:

layer	index of the graphic layer, must be < getNumberOfGraphicLayers()
idx	index of the overlay, must be < getNumberOfActiveOverlays().

Returns:: repeating group number if found, 0 otherwise.

Sint32 DcmPresentationState::getCenterOfCircularShutter_x ( )

gets circular shutter center x component.

May only be called if a circular shutter is active.

Returns:: the circ shutter center x component

Sint32 DcmPresentationState::getCenterOfCircularShutter_y ( )

gets circular shutter center y component.

May only be called if a circular shutter is active.

Returns:: the circ shutter center y component

DVPScharacterSet DcmPresentationState::getCharset ( )

gets the specific character set for this presentation state.

Returns:: character set identifier

const char* DcmPresentationState::getCharsetString ( )

gets the specific character set string for this presentation state.

Returns:: character set if present, NULL otherwise

const char* DcmPresentationState::getCurrentPresentationLUTExplanation ( ) [inline]

gets a description of the current presentation LUT.

For well-known presentation LUT shapes, a standard text is returned. For presentation LUTs, the LUT explanation is returned if it exists and a standard text otherwise. This method never returns NULL.

Returns:: a pointer to a string describing the current presentation LUT.

OFBool DcmPresentationState::getFlip ( )

gets the current horizontal flip status of the presentation state.

Returns:: OFTrue if flip is on, OFFalse if flip is off.

const char* DcmPresentationState::getGraphicLayerDescription ( size_t idx )

gets a description string for the graphic layer with the given index.

If no layer for the given index exists, or if the description is empty, NULL is returned.

Parameters:

idx	index of the graphic layer, must be < getNumberOfGraphicLayers()

Returns:: description of the graphic layer

size_t DcmPresentationState::getGraphicLayerIndex ( const char * name )

gets the index of the graphic layer with the given unique name.

If no matching layer is found, DVPS_IDX_NONE is returned.

Parameters:

name	name of the graphic layer

Returns:: index of the graphic layer

const char* DcmPresentationState::getGraphicLayerName ( size_t idx )

gets the unique name of the graphic layer with the given index.

If no layer for the given index exists, NULL is returned.

Parameters:

idx	index of the graphic layer, must be < getNumberOfGraphicLayers()

Returns:: name of the graphic layer

OFCondition DcmPresentationState::getGraphicLayerRecommendedDisplayValueGray	(	size_t	idx,
		Uint16 &	gray
	)

gets the recommended grayscale display value for the given graphic layer.

If the graphic layer contains an RGB display value but no grayscale display value, the RGB value is implicitly converted to grayscale.

Parameters:

idx	index of the graphic layer, must be < getNumberOfGraphicLayers()
gray	the recommended display value as an unsigned 16-bit P-value is returned in this parameter.

Returns:: EC_Normal upon success, an error code otherwise

OFCondition DcmPresentationState::getGraphicLayerRecommendedDisplayValueRGB	(	size_t	idx,
		Uint16 &	r,
		Uint16 &	g,
		Uint16 &	b
	)

gets the recommended RGB display value for the given graphic layer.

If the graphic layer contains a grayscale display value but no RGB display value, the grayscale value is implicitly converted to RGB.

Parameters:

idx	index of the graphic layer, must be < getNumberOfGraphicLayers()
r	returns the R component of the recommended display value as unsigned 16-bit P-value
g	returns the G component of the recommended display value as unsigned 16-bit P-value
b	returns the B component of the recommended display value as unsigned 16-bit P-value

Returns:: EC_Normal upon success, an error code otherwise

OFCondition DcmPresentationState::getImageReference	(	size_t	idx,
		OFString &	studyUID,
		OFString &	seriesUID,
		OFString &	sopclassUID,
		OFString &	instanceUID,
		OFString &	frames,
		OFString &	aetitle,
		OFString &	filesetID,
		OFString &	filesetUID
	)

gets an image reference with the given index.

Parameters:

idx	index, must be < numberOfImageReferences().
studyUID	the Study Instance UID is returned in this string
seriesUID	the Series Instance UID is returned in this string
sopclassUID	the SOP Class UID is returned in this string
instanceUID	the SOP Instance UID is returned in this string
frames	the list of frames is returned in this string
aetitle	the series retrieveAETitle is returned in this string
filesetID	the series storageMediaFileSetID is returned in this string
filesetUID	the series storageMediaFileSetUID is returned in this string

Returns:: EC_Normal if successful, an error code otherwise.

const char* DcmPresentationState::getInstanceUID ( )

returns the current SOP Instance UID for the Presentation State.

Returns:: SOP Instance UID if present, NULL otherwise.

size_t DcmPresentationState::getNumberOfActiveOverlays ( size_t layer )

gets the number of overlays that are currently activated on the given graphic layer.

Parameters:

layer index of the graphic layer, must be < getNumberOfGraphicLayers()

Returns:: number of active overlays

size_t DcmPresentationState::getNumberOfCurves ( size_t layer )

returns the number of curve activations for the given graphic layer.

Parameters:

layer index of the graphic layer, must be < getNumberOfGraphicLayers()

Returns:: number of curves

size_t DcmPresentationState::getNumberOfGraphicLayers ( )

returns the number of graphic layers.

Returns:: number of graphic layers

size_t DcmPresentationState::getNumberOfOverlaysInPresentationState ( )

gets the number of overlays which are embedded in the presentation state.

Returns:: number of overlays in presentation state

size_t DcmPresentationState::getNumberOfPolyShutterVertices ( )

gets polygonal shutter number of points.

May only be called if a polygonal shutter is active.

Returns:: the number of points describing the poly shutter

size_t DcmPresentationState::getOverlayInPresentationStateActivationLayer ( size_t idx )

gets the index of the activation layer on which the given overlay from the presentation state is activated.

If an overlay is used as a bitmap shutter, it is reported as being not activated by this method.

Parameters:

idx	index of the overlay, must be < getNumberOfOverlaysInPresentationState().

Returns:: layer index (which is < getNumberOfGraphicLayers()) if overlay exists and is activated, DVPS_IDX_NONE otherwise.

const char* DcmPresentationState::getOverlayInPresentationStateDescription ( size_t idx )

gets the overlay description of the given overlay in the presentation state.

Parameters:

idx	index of the overlay, must be < getNumberOfOverlaysInPresentationState().

Returns:: description string if it exists, NULL otherwise.

Uint16 DcmPresentationState::getOverlayInPresentationStateGroup ( size_t idx )

gets the repeating group number of the given overlay in the presentation state.

Parameters:

idx	index of the overlay, must be < getNumberOfOverlaysInPresentationState().

Returns:: repeating group number if found, 0 otherwise.

const char* DcmPresentationState::getOverlayInPresentationStateLabel ( size_t idx )

gets the overlay label of the given overlay in the presentation state.

Parameters:

idx	index of the overlay, must be < getNumberOfOverlaysInPresentationState().

Returns:: label string if it exists, NULL otherwise.

OFCondition DcmPresentationState::getPolyShutterVertex	(	size_t	idx,
		Sint32 &	x,
		Sint32 &	y
	)

get polygonal shutter point.

May only be called if a polygonal shutter is active. Shutter points are relative to the origin 1\1 which is the left upper edge of the image.

Parameters:

idx	the index of the shutter point, must be < getNumberOfPolyShutterVertices()
x	returns the x component of the point
y	returns the y component of the point

Returns:: EC_Normal upon success, an error code otherwise.

const char* DcmPresentationState::getPresentationCreatorsName ( )

returns the creator's name for the presentation state.

If no name is available, NULL is returned.

Returns:: a pointer to a string or NULL.

const char* DcmPresentationState::getPresentationDescription ( )

returns a description for the presentation state.

If no description is available, NULL is returned.

Returns:: a pointer to a string or NULL.

const char* DcmPresentationState::getPresentationLabel ( )

returns a label for the presentation state.

If no label is available, NULL is returned.

Returns:: a pointer to a string or NULL.

DVPSPresentationLUTType DcmPresentationState::getPresentationLUT ( ) [inline]

gets the current Presentation LUT type.

Returns:: the current presentation LUT type

DVPSPresentationLUT* DcmPresentationState::getPresentationLUTData ( ) [inline]

gets the current Presentation LUT object.

Returns:: the current presentation LUT object

const char* DcmPresentationState::getPresentationLUTExplanation ( ) [inline]

returns the LUT explanation of the presentation LUT if it exists and is non-empty.

Otherwise returns NULL.

Returns:: a string pointer

Sint32 DcmPresentationState::getRadiusOfCircularShutter ( )

gets circular shutter radius.

May only be called if a circular shutter is active. Note: In DICOM, a circular shutter must be rendered with consideration of the image pixel aspect ratio. The radius returned by this method is the number of pixels describing a horizontal line from the center of the circle to its border. See sample figures in NEMA PS3.3:1998.

Returns:: the circ shutter radius

Sint32 DcmPresentationState::getRectShutterLH ( )

gets rectangular shutter lower horiztonal edge.

May only be called if a rectangular shutter is active.

Returns:: the rect shutter LH edge.

Sint32 DcmPresentationState::getRectShutterLV ( )

gets rectangular shutter left vertical edge.

May only be called if a rectangular shutter is active.

Returns:: the rect shutter LV edge.

Sint32 DcmPresentationState::getRectShutterRV ( )

gets rectangular shutter right vertical edge.

May only be called if a rectangular shutter is active.

Returns:: the rect shutter RV edge.

Sint32 DcmPresentationState::getRectShutterUH ( )

gets rectangular shutter upper horitontal edge.

May only be called if a rectangular shutter is active.

Returns:: the rect shutter UH edge.

DVPSRotationType DcmPresentationState::getRotation ( )

gets the current rotation status of the presentation state.

Returns:: the current rotation status

Uint16 DcmPresentationState::getShutterPresentationValue ( )

gets the shutter presentation value.

If no shutter display value exists, a default of 0 (black) is set.

Returns:: the shutter presentation value as 16bit unsigned P-value

const char* DcmPresentationState::getSOPClassUID ( )

returns the (currently hard-coded) SOP Class UID of the Presentation State.

Returns:: SOP Class UID of the presentation state

const char* DcmPresentationState::getStudyUID ( )

returns the Study Instance UID of the presentation state.

Returns:: Study Instance UID if successful, NULL otherwise.

OFBool DcmPresentationState::haveGraphicLayerRecommendedDisplayValue ( size_t idx )

checks whether a recommended display value (grayscale, color or both) for the given graphic layer exists.

Parameters:

idx	index of the graphic layer, must be < getNumberOfGraphicLayers()

Returns:: OFTrue if a recommended display value exists

OFBool DcmPresentationState::havePresentationLookupTable ( ) [inline]

checks if a real Presentation LUT (not shape) is available in the presentation state.

Returns:: OFTrue if the presentation state contains a presentation LUT, no matter if it is activated or not. Returns OFFalse otherwise.

OFBool DcmPresentationState::haveShutter ( DVPSShutterType type )

checks if a display shutter of given type is active.

Parameters:

type	the shutter type

Returns:: OFTrue if this type of shutter is currently active.

OFCondition DcmPresentationState::moveCurve	(	size_t	old_layer,
		size_t	idx,
		size_t	new_layer
	)

moves the curve activation with the given index on the given layer to a different layer.

Parameters:

old_layer	index of the graphic layer on which the curve is, must be < getNumberOfGraphicLayers()
idx	index of the curve activation, must be < getNumberOfCurves(layer)
new_layer	index of the graphic layer to which the curve is moved, must be < getNumberOfGraphicLayers()

Returns:: EC_Normal upon success, an error code otherwise

OFCondition DcmPresentationState::moveOverlay	(	size_t	old_layer,
		size_t	idx,
		size_t	new_layer
	)

moves the overlay activation with the given index on the given layer to a different layer.

Parameters:

old_layer	index of the graphic layer on which the curve is, must be < getNumberOfGraphicLayers()
idx	index of the overlay activation, must be < getNumberOfActiveOverlays(layer)
new_layer	index of the graphic layer to which the curve is moved, must be < getNumberOfGraphicLayers()

Returns:: EC_Normal upon success, an error code otherwise

size_t DcmPresentationState::numberOfImageReferences ( )

gets the number of image references in all series managed by this list.

Returns:: number of image references

OFBool DcmPresentationState::overlayInPresentationStateIsROI ( size_t idx )

checks whether the given overlay in the presentation state is a ROI (region of interest) overlay.

Parameters:

idx	index of the overlay, must be < getNumberOfOverlaysInPresentationState().

Returns:: OFTrue if overlay exists and is ROI, OFFalse otherwise.

OFBool DcmPresentationState::overlayIsBitmapShutter ( size_t idx )

checks if the given overlay in the presentation state is currently activated as a bitmap shutter.

Parameters:

idx	index of the overlay, must be < getNumberOfOverlaysInPresentationState().

Returns:: OFTrue if overlay exists and is activated as bitmap shutter, OFFalse otherwise.

OFCondition DcmPresentationState::read ( DcmItem & dset )

reads a presentation state from a DICOM dataset.

The DICOM elements of the presentation state are copied from the dataset to this object. The completeness and correctness of the presentation state (presence of all required elements, value multiplicity) is checked. If this method returns an error code, the object is in undefined state afterwards.

Parameters:

dset	the dataset from which the presentation state is to be read

Returns:: EC_Normal if successful, an error code otherwise.

Reimplemented in DVPresentationState.

OFCondition DcmPresentationState::removeCurve	(	size_t	layer,
		size_t	idx
	)

deletes the curve activation with the given index on the given layer.

Parameters:

layer	index of the graphic layer, must be < getNumberOfGraphicLayers()
idx	index of the curve activation, must be < getNumberOfCurves(layer)

Returns:: EC_Normal upon success, an error code otherwise

void DcmPresentationState::removeGraphicLayerRecommendedDisplayValue	(	size_t	idx,
		OFBool	rgb,
		OFBool	monochrome
	)

removes recommended display values for the given graphic layer.

Parameters:

idx	index of the graphic layer, must be < getNumberOfGraphicLayers()
rgb	if true, the RGB recommended display value is removed
monochrome	if true the monochrome recommended display value is removed

OFCondition DcmPresentationState::removeImageReference	(	const char *	studyUID,
		const char *	seriesUID,
		const char *	instanceUID
	)

removes a reference to an image from this presentation state.

Parameters:

studyUID	the Study Instance UID of the image reference to be removed.
seriesUID	the Series Instance UID of the image reference to be removed.
instanceUID	the SOP instance UID of the image reference to be removed.

Returns:: EC_Normal if successful, an error code otherwise.

OFCondition DcmPresentationState::removeImageReference ( DcmItem & dset )

removes a reference to an image from this presentation state.

Parameters:

dset	the DICOM dataset containing the image IOD

Returns:: EC_Normal if successful, an error code otherwise.

OFCondition DcmPresentationState::setCharset ( DVPScharacterSet charset )

sets the specific character set for this presentation state.

Parameters:

charset the new character set for this text object

Returns:: EC_Normal if successful, an error code otherwise.

OFCondition DcmPresentationState::setFlip ( OFBool isFlipped )

sets horizontal flip status of the presentation state.

Parameters:

isFlipped the flip status, OFTrue for on, OFFalse for off.

Returns:: EC_Normal if successful, an error code otherwise.

OFCondition DcmPresentationState::setGraphicLayerDescription	(	size_t	idx,
		const char *	descr
	)

sets a new description to the given graphic layer.

Parameters:

idx	index of the graphic layer, must be < getNumberOfGraphicLayers()
descr	description of the graphic layer. Must be a valid DICOM Long String.

Returns:: EC_Normal upon success, an error code otherwise

OFCondition DcmPresentationState::setGraphicLayerName	(	size_t	idx,
		const char *	name
	)

assigns a new unique name to the given graphic layer.

The new name must be unique, otherwise an error code is returned. Upon success, all references (for graphic annotations, curves and overlays) to the given graphic layer are also renamed so that the presentation state remains consistent.

Parameters:

idx	index of the graphic layer, must be < getNumberOfGraphicLayers()
name	the new name of the graphic layer. Must be a valid DICOM Code String.

Returns:: EC_Normal upon success, an error code otherwise

OFCondition DcmPresentationState::setGraphicLayerRecommendedDisplayValueGray	(	size_t	idx,
		Uint16	gray
	)

set graphic layer recommended grayscale display value for the given graphic layer.

This method does not affect (set or modify) the recommended RGB display value which should be set separately.

Parameters:

idx	index of the graphic layer, must be < getNumberOfGraphicLayers()
gray	the recommended display value as an unsigned 16-bit P-value

Returns:: EC_Normal upon success, an error code otherwise

OFCondition DcmPresentationState::setGraphicLayerRecommendedDisplayValueRGB	(	size_t	idx,
		Uint16	r,
		Uint16	g,
		Uint16	b
	)

set graphic layer recommended RGB display value for the given graphic layer.

This method does not affect (set or modify) the recommended grayscale display value which should be set separately.

Parameters:

idx	index of the graphic layer, must be < getNumberOfGraphicLayers()
r	the R component of the recommended display value as unsigned 16-bit P-value
g	the G component of the recommended display value as unsigned 16-bit P-value
b	the B component of the recommended display value as unsigned 16-bit P-value

Returns:: EC_Normal upon success, an error code otherwise

OFCondition DcmPresentationState::setPolyShutterOrigin	(	Sint32	x,
		Sint32	y
	)

sets polygonal display shutter origin.

This method creates a polygonal shutter consisting only of a single point. The polygonal display shutter is deactivated after this method.

Parameters:

x	the x component of the shutter origin
y	the x component of the shutter origin

Returns:: EC_Normal upon success, an error code otherwise.

OFCondition DcmPresentationState::setPresentationCreatorsName ( const char * name )

sets the presentation state creator's name.

The passed string must be a valid DICOM Person Name String (see NEMA PS3.5:1998).

Parameters:

name	the new creator's name

Returns:: EC_Normal upon success, an error code otherwise.

OFCondition DcmPresentationState::setPresentationDescription ( const char * descr )

sets the presentation state description.

The passed string must be a valid DICOM Long String (i.e. max 64 characters, no backslash or control chars).

Parameters:

descr the new presentation state description

Returns:: EC_Normal upon success, an error code otherwise.

OFCondition DcmPresentationState::setPresentationLabel ( const char * label )

sets the presentation state label.

The passed string must be a valid DICOM Code String (i.e. max 16 characters, only uppercase and numbers).

Parameters:

label the new presentation state label

Returns:: EC_Normal upon success, an error code otherwise.

OFCondition DcmPresentationState::setRotation ( DVPSRotationType rotation )

sets rotation status of the presentation state.

Parameters:

rotation the rotation to be set

Returns:: EC_Normal if successful, an error code otherwise.

OFCondition DcmPresentationState::setShutterPresentationValue ( Uint16 pvalue )

sets the shutter presentation value to the given P-value.

Parameters:

pvalue the shutter presentation value.

Returns:: EC_Normal upon success, an error code otherwise.

void DcmPresentationState::sortGraphicLayers ( )

sorts the graphic layers according to the graphic layer order.

Layers with lower order have lower indices after sorting which means that the layers can be drawn to the screen in ascending index order. Calling this routine may result in a re-numbering of the graphic layer orders in a way that does not affect their sequence.

OFCondition DcmPresentationState::toBackGraphicLayer ( size_t idx )

makes a graphic layer the lowest layer for display.

This method assigns a graphic layer order lower than all existing graphic layer orders to the given graphic layer, sorts and renumbers the list of graphic layers. Upon success, the given graphic layer is guaranteed to have the new index 0.

Parameters:

idx	index of the graphic layer, must be < getNumberOfGraphicLayers()

Returns:: EC_Normal upon success, an error code otherwise

OFCondition DcmPresentationState::toFrontGraphicLayer ( size_t idx )

makes a graphic layer the highest layer for display.

This method assigns a graphic layer order higher than all existing graphic layer orders to the given graphic layer, sorts and renumbers the list of graphic layers. Upon success, the given graphic layer is guaranteed to have the new index (getNumberOfGraphicLayers()-1).

Parameters:

idx	index of the graphic layer, must be < getNumberOfGraphicLayers()

Returns:: EC_Normal upon success, an error code otherwise

OFCondition DcmPresentationState::write	(	DcmItem &	dset,
		OFBool	replaceSOPInstanceUID
	)

writes the presentation state managed by this object to a DICOM dataset.

Copies of the DICOM elements managed by this object are inserted into the DICOM dataset.

Parameters:

dset	the dataset to which the presentation state is written
replaceSOPInstanceUID	flag indicating whether the SOP Instance UID should be replaced by a new UID. If true, a new UID is always generated. If false, a new UID is generated only if no UID has been assigned before.

Returns:: EC_Normal if successful, an error code otherwise.

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

dcmpstat/include/dcmtk/dcmpstat/dcmpstat.h

Public Member Functions

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Protected Attributes

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