#include <ossimJpegTileSource.h>

Inheritance diagram for ossimJpegTileSource:

Classes
class	PrivateData

Public Member Functions
	ossimJpegTileSource ()

	ossimJpegTileSource (const ossimKeywordlist &kwl, const char *prefix=0)

	ossimJpegTileSource (const char *jpeg_file)

virtual ossimString	getShortName () const

virtual ossimString	getLongName () const

virtual ossimRefPtr< ossimImageData >	getTile (const ossimIrect &rect, ossim_uint32 resLevel=0)
	Returns a pointer to a tile given an origin representing the upper left corner of the tile to grab from the image. More...

virtual bool	getTile (ossimImageData *result, ossim_uint32 resLevel=0)
	Method to get a tile. More...

virtual ossim_uint32	getNumberOfInputBands () const
	Returns the number of bands in the image. More...

virtual ossim_uint32	getNumberOfOutputBands () const
	Returns the number of bands in a tile returned from this TileSource. More...

virtual ossim_uint32	getNumberOfLines (ossim_uint32 reduced_res_level=0) const
	Returns the number of lines in the image. More...

virtual ossim_uint32	getNumberOfSamples (ossim_uint32 reduced_res_level=0) const
	Returns the number of samples in the image. More...

virtual ossimIrect	getImageRectangle (ossim_uint32 reduced_res_level=0) const
	Returns the zero based image rectangle for the reduced resolution data set (rrds) passed in. More...

virtual bool	saveState (ossimKeywordlist &kwl, const char *prefix=0) const
	Method to save the state of an object to a keyword list. More...

virtual bool	loadState (const ossimKeywordlist &kwl, const char *prefix=0)
	Method to the load (recreate) the state of an object from a keyword list. More...

virtual ossimScalarType	getOutputScalarType () const
	Returns the output pixel type of the tile source. More...

virtual ossim_uint32	getTileWidth () const
	Returns the width of the output tile. More...

virtual ossim_uint32	getTileHeight () const
	Returns the height of the output tile. More...

virtual ossim_uint32	getImageTileWidth () const
	Returns the tile width of the image or 0 if the image is not tiled. More...

virtual ossim_uint32	getImageTileHeight () const
	Returns the tile width of the image or 0 if the image is not tiled. More...

bool	isValidRLevel (ossim_uint32 reduced_res_level) const
	Determines if the passed in reslution level is valid. More...

bool	isOpen () const
	Derived classes must implement this method to be concrete. More...

bool	open (const ossimFilename &jpeg_file)
	Returns true if the image_file can be opened and is a valid tiff file. More...

virtual void	close ()
	Deletes the overview and clears the valid image vertices. More...

virtual ossimRefPtr< ossimProperty >	getProperty (const ossimString &name) const
	Gets a property for matching name. More...

virtual void	getPropertyNames (std::vector< ossimString > &propertyNames) const
	Gets a list of property names available. More...

virtual ossimRefPtr< ossimImageGeometry >	getImageGeometry ()
	Returns the image geometry object associated with this tile source or NULL if non defined. More...

Public Member Functions inherited from ossimImageHandler
	ossimImageHandler ()
	Constructor (default): More...

virtual	~ossimImageHandler ()
	Destructor: Derived classes should implement. More...

virtual void	initialize ()
	initialize Does nothing in this class. More...

virtual bool	openOverview ()
	Searches for an overview. More...

virtual bool	openOverview (const ossimFilename &overview_file)
	Calls closeOverview(), then attempts to open the overview_file. More...

virtual void	closeOverview ()
	If theOverview is initialized it will be deleted and set to NULL. More...

virtual const ossimImageHandler *	getOverview () const

virtual bool	hasOverviews () const

virtual ossimFilename	createDefaultOverviewFilename () const

virtual ossimFilename	createDefaultGeometryFilename () const

virtual ossimFilename	createDefaultMetadataFilename () const

virtual ossimFilename	createDefaultHistogramFilename () const

virtual ossimFilename	createDefaultValidVerticesFilename () const

virtual bool	writeValidImageVertices (const std::vector< ossimIpt > &vertices, const ossimFilename &file=ossimFilename(""))
	Outputs vertices to file and updates the internal vertex array variable "theValidImageVertices". More...

virtual bool	openValidVertices (const ossimFilename &vertices_file)
	Opens the valid image vertices file and sets theValidImageVerticesFile variable. More...

virtual bool	openValidVertices ()
	Creates vertices file name based on image, then tries to open. More...

virtual bool	open (const ossimFilename &imageFile, ossim_uint32 entryIndex)
	Opens the image file. More...

virtual bool	open (std::shared_ptr< ossim::ImageHandlerState > state)

virtual bool	buildHistogram (int numberOfRLevels=0, ossimHistogramMode mode=OSSIM_HISTO_MODE_NORMAL)
	Build a histogram for image file. More...

virtual bool	buildAllHistograms (int numberOfRLevels=0, ossimHistogramMode mode=OSSIM_HISTO_MODE_NORMAL)
	Build a histograms for all image entries. More...

virtual bool	buildOverview (ossimImageHandlerOverviewCompressionType compressionType=OSSIM_OVERVIEW_COMPRESSION_NONE, ossim_uint32 quality=75, ossimFilterResampler::ossimFilterResamplerType resampleType=ossimFilterResampler::ossimFilterResampler_BOX, bool includeFullResFlag=false)
	Will build over file for theImageFile. More...

virtual bool	buildAllOverviews (ossimImageHandlerOverviewCompressionType compressionType=OSSIM_OVERVIEW_COMPRESSION_NONE, ossim_uint32 quality=75, ossimFilterResampler::ossimFilterResamplerType resampleType=ossimFilterResampler::ossimFilterResampler_BOX, bool includeFullResFlag=false)
	Will build over file for all image entries. More...

virtual bool	buildOverview (const ossimFilename &filename, ossimImageHandlerOverviewCompressionType compressionType=OSSIM_OVERVIEW_COMPRESSION_NONE, ossim_uint32 quality=75, ossimFilterResampler::ossimFilterResamplerType resampleType=ossimFilterResampler::ossimFilterResampler_BOX, bool includeFullResFlag=false)
	Will build an over file for filename. More...

ossimRefPtr< ossimMultiResLevelHistogram >	getImageHistogram () const
	Fetches the current entry image's histogram. More...

virtual void	setImageGeometry (ossimImageGeometry *geom)
	Sets the image geometry object. More...

virtual void	saveImageGeometry () const
	Saves the image geometry to a file that will be made based on the image file name. More...

virtual void	saveImageGeometry (const ossimFilename &geometry_file) const
	Saves the image geometry to a file that will be made based on the image file name. More...

virtual ossimIrect	getBoundingRect (ossim_uint32 resLevel=0) const
	Returns zero-based bounding rectangle of the image. More...

virtual void	getDecimationFactor (ossim_uint32 resLevel, ossimDpt &result) const

virtual void	getDecimationFactors (vector< ossimDpt > &decimations) const
	This returns all decimation for all levels. More...

virtual ossim_uint32	getNumberOfDecimationLevels () const
	This returns the total number of decimation levels. More...

virtual ossim_uint32	getNumberOfReducedResSets () const
	This method is obsolete. More...

virtual void	setFilename (const ossimFilename &filename)
	Sets the filename. More...

virtual const ossimFilename &	getFilename () const
	Returns the filename. More...

bool	canConnectMyInputTo (ossim_int32 inputIndex, const ossimConnectableObject *object) const
	Connection rule. More...

virtual void	getValidImageVertices (vector< ossimIpt > &validVertices, ossimVertexOrdering ordering=OSSIM_CLOCKWISE_ORDER, ossim_uint32 resLevel=0) const
	ordering specifies how the vertices should be arranged. More...

virtual bool	isBandSelector () const
	Indicates whether or not the image handler can control output band selection via the setOutputBandList method. More...

virtual bool	setOutputBandList (const std::vector< ossim_uint32 > &band_list)
	If the image handler "isBandSeletor()" then the band selection of the output chip can be controlled. More...

virtual bool	setOutputToInputBandList ()
	If the image handler "isBandSeletor()" then the band selection of the output are set to input or identity. More...

virtual bool	isIdentityBandList (const std::vector< ossim_uint32 > &bandList) const
	Convenience method to see if band list is identity. More...

virtual bool	isImageTiled () const
	Indicates whether or not the image is tiled internally. More...

virtual bool	hasMetaData () const

virtual ossimRefPtr< ossimNBandLutDataObject >	getLut () const

virtual bool	hasLut () const

virtual void	loadMetaData ()
	There is an external file with an omd extension. More...

virtual double	getMinPixelValue (ossim_uint32 band=0) const
	Retuns the min pixel value. More...

virtual double	getMaxPixelValue (ossim_uint32 band=0) const
	Returns the max pixel of the band. More...

virtual double	getNullPixelValue (ossim_uint32 band=0) const
	Each band has a null pixel associated with it. More...

virtual void	setMinPixelValue (ossim_uint32 band, const ossim_float64 &pix)
	convenience method to set min pixel value. More...

virtual void	setMaxPixelValue (ossim_uint32 band, const ossim_float64 &pix)
	convenience method to set max pixel value. More...

virtual void	setNullPixelValue (ossim_uint32 band, const ossim_float64 &pix)
	convenience method to set null pixel value. More...

virtual ossim_uint32	getCurrentEntry () const

virtual ossim_uint32	getNumberOfEntries () const

virtual void	getEntryName (ossim_uint32 entryIdx, std::string &name) const
	Get the name of entry as a string. More...

virtual void	getEntryList (std::vector< ossim_uint32 > &entryList) const

virtual void	getEntryNames (std::vector< ossimString > &entryNames) const

bool	useEntryIndex () const
	Convenience method to determine if entry index should be used for support files, e.g. More...

ossimFilename	getOverviewFile () const

virtual bool	setCurrentEntry (ossim_uint32 entryIdx)

virtual void	setProperty (ossimRefPtr< ossimProperty > property)

ossimFilename	getFilenameWithThisExtension (const ossimString &ext, bool set_e0_prefix=false) const
	Returns the image file with extension set using supplentary directory for dirname if set. More...

void	getFilenameWithThisExt (const ossimString &ext, ossimFilename &f) const
	Returns the image file with extension set using supplentary directory for dirname if set. More...

ossim_uint32	getStartingResLevel () const

void	setStartingResLevel (ossim_uint32 level)

bool	getOpenOverviewFlag () const

void	setOpenOverviewFlag (bool flag)
	Sets theOpenOverviewFlag. More...

virtual void	setSupplementaryDirectory (const ossimFilename &dir)
	Sets the supplementary directory. More...

virtual const ossimFilename &	getSupplementaryDirectory () const
	Returns the supplementary directory. More...

const ossimString &	getImageID () const
	Fetches the image ID. More...

void	setImageID (const ossimString &id)
	Sets the image ID in case it is externally generated. More...

ossimPixelType	getPixelType () const
	Returns the raster pixel alignment type. More...

virtual bool	getRgbBandList (std::vector< ossim_uint32 > &bandList) const
	Convenience method to get the zero based rgb output band list. More...

template<class T >
std::shared_ptr< T >	getStateAs ()

template<class T >
std::shared_ptr< const T >	getStateAs () const

std::shared_ptr< ossim::ImageHandlerState >	getState ()

std::shared_ptr< const ossim::ImageHandlerState >	getState () const

void	setState (std::shared_ptr< ossim::ImageHandlerState > state)

Public Member Functions inherited from ossimImageSource
	ossimImageSource (ossimObject *owner=0)

	ossimImageSource (ossimObject *owner, ossim_uint32 inputListSize, ossim_uint32 outputListSize, bool inputListIsFixedFlag=true, bool outputListIsFixedFlag=true)

virtual	~ossimImageSource ()

virtual ossimRefPtr< ossimImageData >	getTile (const ossimIpt &origin, ossim_uint32 resLevel=0)

virtual ossimObject *	getObject ()
	For RTTI support. More...

virtual const ossimObject *	getObject () const
	For RTTI support. More...

virtual void	getDecimationFactors (std::vector< ossimDpt > &decimations) const
	Will return an array of all decimations for each resolution level. More...

virtual void	getOutputBandList (std::vector< ossim_uint32 > &bandList) const
	Initializes bandList. More...

virtual void	getBoundingRect (ossimIrect &rect, ossim_uint32 resLevel=0) const
	Gets the bounding rectangle of the source. More...

virtual void	getValidImageVertices (std::vector< ossimIpt > &validVertices, ossimVertexOrdering ordering=OSSIM_CLOCKWISE_ORDER, ossim_uint32 resLevel=0) const
	ordering specifies how the vertices should be arranged. More...

virtual void	setImageGeometry (const ossimImageGeometry *geom)
	Default implementation sets geometry of the first input to the geometry specified. More...

virtual bool	isIndexedData () const

Public Member Functions inherited from ossimSource
	ossimSource (ossimObject *owner=0)

	ossimSource (ossimObject *owner, ossim_uint32 inputListSize, ossim_uint32 outputListSize, bool inputListIsFixedFlag=true, bool outputListIsFixedFlag=true)

virtual	~ossimSource ()

virtual bool	isSourceEnabled () const

virtual void	enableSource ()

virtual void	disableSource ()

virtual bool	getEnableFlag () const

virtual void	setEnableFlag (bool flag)

virtual bool	isInitialized () const

virtual void	setInitializedFlag (bool flag)

virtual std::ostream &	print (std::ostream &out) const
	Outputs theErrorStatus as an ossimErrorCode and an ossimString. More...

Public Member Functions inherited from ossimConnectableObject
	ossimConnectableObject (ossimObject *owner=0)
	Base constructor of this object. More...

	ossimConnectableObject (ossimObject *owner, ossim_int32 inputListSize, ossim_int32 outputListSize, bool inputListIsFixedFlag=true, bool outputListIsFixedFlag=true)

virtual	~ossimConnectableObject ()

void	setId (const ossimId &id)
	All connectable objects will have id's. More...

const ossimId &	getId () const
	Will allow us to get this object's id. More...

const ossimObject *	getOwner () const
	Fetches the current owner, most likely a container but not limited to one. More...

virtual void	changeOwner (ossimObject *owner)
	Permits changing the object's owner. More...

virtual void	setDescription (const ossimString &description)

virtual ossimString	getDescription () const

virtual bool	isConnected (ossimConnectableObjectDirectionType direction=CONNECTABLE_DIRECTION_INPUT) const
	will check the direction specified to see if all slots are full. More...

	OSSIM_DEPRECATE_METHOD (virtual ossimConnectableObject *findConnectableObject(const ossimId &id))

	OSSIM_DEPRECATE_METHOD (virtual ossimConnectableObject *findObjectOfType(RTTItypeid typeId, ossimConnectableObjectDirectionType directionType, bool recurse=true))

	OSSIM_DEPRECATE_METHOD (virtual ossimConnectableObject *findObjectOfType(const ossimString &obj, ossimConnectableObjectDirectionType directionType, bool recurse=true))

	OSSIM_DEPRECATE_METHOD (virtual ossimConnectableObject *findInputObjectOfType(const ossimString &className))

virtual ossim_int32	findInputIndex (const ossimConnectableObject *object)
	Return a valid index of the input list if the passed in object is found else return -1. More...

virtual ossim_int32	findInputIndex (const ossimId &id)
	Return a valid index of the input list if the passed id is found else return -1. More...

virtual ossim_int32	findOutputIndex (const ossimConnectableObject *object)
	Return a valid index of the output list if the passed in object is found else return -1. More...

virtual ossim_int32	findOutputIndex (const ossimId &id)
	Return a valid index of the output list if the passed in object is found else return -1. More...

virtual ossim_int32	getMyInputIndexToConnectTo (ossimConnectableObject *object) const
	Should return the first available index to connect to. More...

virtual ossim_int32	getMyOutputIndexToConnectTo (ossimConnectableObject *object) const
	Should return the first available index to connect to. More...

virtual bool	canConnectMyOutputTo (ossim_int32 myOutputIndex, const ossimConnectableObject *object) const
	default implementation is to allow anyone to connect to us. More...

virtual void	disconnect (ossimConnectableObject *object=0)
	Will disconnect the object passed in. More...

virtual void	disconnect (const ossimId &id)
	Will disconnect the object passed in. More...

virtual ossimRefPtr< ossimConnectableObject >	disconnectMyInput (ossim_int32 inputIndex, bool disconnectOutputFlag=true, bool createEventFlag=true)
	Will disconnect the object at the given input index and generate a connection event. More...

virtual void	disconnectMyInput (ossimConnectableObject *input, bool disconnectOutputFlag=true, bool createEventFlag=true)
	Finds the index of the passed in input and calls disconnectMyInput(inputIndex, disconnectOutputFlag, createEventFlag);. More...

virtual void	disconnectMyInputs (ConnectableObjectList &inputList, bool disconnectOutputFlag=true, bool createEventFlag=true)

virtual ossimRefPtr< ossimConnectableObject >	disconnectMyOutput (ossim_int32 outputIndex, bool disconnectInputFlag=true, bool createEventFlag=true)
	Will disconnect the object at the given output index and generate a connection event. More...

virtual void	disconnectMyOutput (ossimConnectableObject *output, bool disconnectInputFlag=true, bool createEventFlag=true)
	Will disconnect the output object. More...

virtual void	disconnectMyOutputs (ConnectableObjectList &outputList, bool disconnectOutputFlag=true, bool createEventFlag=true)

virtual void	disconnectAllInputs ()
	Will disconnect all of the input objects. More...

virtual void	disconnectAllOutputs ()
	Will disconnect all of the output objects. More...

virtual ossim_int32	connectMyInputTo (ossimConnectableObject *inputObject, bool makeOutputConnection=true, bool createEventFlag=true)
	Will try to connect this objects input to the passed in object. More...

virtual ossim_int32	connectMyInputTo (ossim_int32 inputIndex, ossimConnectableObject *inputObject, bool makeOutputConnection=true, bool createEventFlag=true)
	Will connect the specified input to the passed in object. More...

virtual bool	connectMyInputTo (ConnectableObjectList &inputList, bool makeOutputConnection=true, bool createEventFlag=true)

virtual ossim_int32	connectMyOutputTo (ossimConnectableObject *outputObject, bool makeInputConnection=true, bool createEventFlag=true)
	Will try to connect this objects output to the passed in object. More...

virtual bool	connectMyOutputTo (ConnectableObjectList &outputList, bool makeInputConnection=true, bool createEventFlag=true)

virtual bool	connectInputList (ConnectableObjectList &inputList)
	Will disconnect itself from all inputs and reset to the passed in input list. More...

virtual bool	connectOutputList (ConnectableObjectList &outputList)
	Will disconnect itself from all outputs and reset to the passed in output list. More...

virtual ossim_uint32	getNumberOfInputs () const
	Returns the number of input objects. More...

virtual ossim_uint32	getNumberOfOutputs () const
	Return the number of output objects. More...

ossimConnectableObject *	getInput (ossim_uint32 index=0)
	returns the object at the specified index. More...

const ossimConnectableObject *	getInput (ossim_uint32 index=0) const
	returns the object at the specified index. More...

ossimConnectableObject *	getOutput (ossim_uint32 index=0)
	returns the object at the specified index. More...

const ossimConnectableObject *	getOutput (ossim_uint32 index=0) const
	returns the object at the specified index. More...

virtual void	setNumberOfInputs (ossim_int32 numberOfInputs)
	Will set the number of inputs. More...

virtual bool	getInputListIsFixedFlag () const

virtual bool	getOutputListIsFixedFlag () const

virtual void	setNumberOfOutputs (ossim_int32 numberOfInputs)
	Will set the number of outputs. More...

const ConnectableObjectList &	getInputList () const

const ConnectableObjectList &	getOutputList () const

ConnectableObjectList &	getInputList ()

ConnectableObjectList &	getOutputList ()

	OSSIM_DEPRECATE_METHOD (virtual void findAllObjectsOfType(ConnectableObjectList &result, const RTTItypeid &typeInfo, bool recurse=true))

	OSSIM_DEPRECATE_METHOD (virtual void findAllObjectsOfType(ConnectableObjectList &result, const ossimString &className, bool recurse=true))

virtual void	propagateEventToOutputs (ossimEvent &event)

virtual void	propagateEventToInputs (ossimEvent &event)

virtual void	setProperty (const ossimString &name, const ossimString &value)

virtual ossim_uint32	saveStateOfAllInputs (ossimKeywordlist &kwl, bool saveThisStateFlag=true, ossim_uint32 objectIndex=1, const char *prefix=0) const
	Save the state of all inputs to a keyword list. More...

virtual bool	fillContainer (ossimConnectableContainer &container)
	Inserts this object and all of its children and inputs into the container provided. More...

bool	moveInputUp (const ossimId &id)
	Moves the input connection matching id up one in the connection list. More...

bool	moveInputDown (const ossimId &id)
	Moves the input connection matching id down one in the connection list. More...

bool	moveInputToTop (const ossimId &id)
	Moves the input connection matching id to the top of the connection list. More...

bool	moveInputToBottom (const ossimId &id)
	Moves the input connection matching id to the bottom of the connection list. More...

virtual void	accept (ossimVisitor &visitor)
	We will add a visitor interface for all connectable objects. More...

Public Member Functions inherited from ossimObject
	ossimObject ()

virtual	~ossimObject ()

virtual ossimObject *	dup () const

virtual ossimString	getClassName () const

virtual RTTItypeid	getType () const

virtual bool	canCastTo (ossimObject *obj) const

virtual bool	canCastTo (const RTTItypeid &id) const

virtual bool	canCastTo (const ossimString &parentClassName) const

virtual bool	isEqualTo (const ossimObject &obj, ossimCompareType compareType=OSSIM_COMPARE_FULL) const

Public Member Functions inherited from ossimReferenced
	ossimReferenced ()

	ossimReferenced (const ossimReferenced &)

ossimReferenced &	operator= (const ossimReferenced &)

void	ref () const
	increment the reference count by one, indicating that this object has another pointer which is referencing it. More...

void	unref () const
	decrement the reference count by one, indicating that a pointer to this object is referencing it. More...

void	unref_nodelete () const
	decrement the reference count by one, indicating that a pointer to this object is referencing it. More...

int	referenceCount () const

Public Member Functions inherited from ossimListenerManager
	ossimListenerManager ()

virtual	~ossimListenerManager ()

virtual void	fireEvent (ossimEvent &event)

virtual bool	addListener (ossimListener *listener)

virtual bool	removeListener (ossimListener *listener)

virtual bool	findListener (ossimListener *listener)

Public Member Functions inherited from ossimPropertyInterface
	ossimPropertyInterface ()

virtual	~ossimPropertyInterface ()

virtual ossimString	getPropertyValueAsString (const ossimString &name) const

void	getPropertyList (std::vector< ossimRefPtr< ossimProperty > > &propertyList) const

void	setProperties (std::vector< ossimRefPtr< ossimProperty > > &propertyList)

Public Member Functions inherited from ossimErrorStatusInterface
	ossimErrorStatusInterface ()

virtual	~ossimErrorStatusInterface ()

virtual ossimErrorCode	getErrorStatus () const

virtual ossimString	getErrorStatusString () const

virtual void	setErrorStatus (ossimErrorCode error_status) const

virtual void	setErrorStatus () const

virtual void	clearErrorStatus () const

bool	hasError () const

Protected Member Functions
virtual ossimRefPtr< ossimImageGeometry >	getInternalImageGeometry () const

virtual	~ossimJpegTileSource ()

virtual bool	open ()
	Returns true if no errors initializing object. More...

void	allocate ()

void	destroy ()

void	restart ()

void	fillTile (const ossimIrect &clip_rect, ossimImageData *tile)

Protected Member Functions inherited from ossimImageHandler
virtual ossimRefPtr< ossimImageGeometry >	getExternalImageGeometry () const
	Returns the image geometry object associated with this tile source or NULL if non defined. More...

virtual bool	getOverviewTile (ossim_uint32 resLevel, ossimImageData *result)
	Method to get an overview tile. More...

bool	initVertices (const char *file)
	Opens file and attempts to initialize the valid image vertices. More...

virtual void	completeOpen ()
	Will complete the opening process. More...

void	initImageParameters (ossimImageGeometry *geom) const
	Convenience method to set things needed in the image geometry from the image handler. More...

virtual void	establishDecimationFactors ()
	Virtual method determines the decimation factors at each resolution level. More...

virtual bool	setOutputBandList (const std::vector< ossim_uint32 > &inBandList, std::vector< ossim_uint32 > &outBandList)
	Convenience method to set output band list. More...

void	getFilenameWithNoExtension (ossimFilename &f) const
	Get filename with no extension, using supplentary directory for dirname if set. More...

Protected Member Functions inherited from ossimImageSource
	ossimImageSource (const ossimImageSource &rhs)

const ossimImageSource &	operator= (const ossimImageSource &)

Protected Member Functions inherited from ossimSource
	ossimSource (const ossimSource &rhs)

const ossimSource &	operator= (const ossimSource &rhs)

Protected Member Functions inherited from ossimConnectableObject
ossimConnectableObject *	findObjectOfType (ConnectableObjectList *connectableList, ossimVisitor &visitor)

Protected Member Functions inherited from ossimReferenced
virtual	~ossimReferenced ()

Protected Member Functions inherited from ossimListenerManager
	ossimListenerManager (const ossimListenerManager &rhs)

Protected Attributes
ossimRefPtr< ossimImageData >	theTile

ossimRefPtr< ossimImageData >	theCacheTile

ossim_uint8 *	theLineBuffer

FILE *	theFilePtr

ossimIrect	theBufferRect

ossimIrect	theImageRect

ossim_uint32	theNumberOfBands

ossimIpt	theCacheSize

PrivateData *	thePrivateData

ossimAppFixedTileCache::ossimAppFixedCacheId	theCacheId

Protected Attributes inherited from ossimImageHandler
ossimFilename	theImageFile

ossimFilename	theOverviewFile

ossimFilename	theSupplementaryDirectory

ossimRefPtr< ossimImageHandler >	theOverview

vector< ossimIpt >	theValidImageVertices

ossimImageMetaData	theMetaData

ossimRefPtr< ossimImageGeometry >	theGeometry

ossimRefPtr< ossimNBandLutDataObject >	theLut

std::vector< ossimDpt >	theDecimationFactors

ossimString	theImageID

ossim_uint32	theStartingResLevel
	theStartingResLevel If set to something other than zero(default) this is indicative that the reader is an overview. More...

bool	theOpenOverviewFlag
	If true opening of overviews will be attempted. More...

ossimPixelType	thePixelType

std::shared_ptr< ossim::ImageHandlerState >	m_state

Protected Attributes inherited from ossimSource
bool	theEnableFlag

bool	theInitializedFlag

Protected Attributes inherited from ossimConnectableObject
ossimId	theId

ossimString	theDescription

ossimObject *	theOwner

bool	theInputListIsFixedFlag
	Indicates whether the theInputObjectList is fixed. More...

bool	theOutputListIsFixedFlag
	Indicates whether the theOutputObjectList is fixed. More...

ConnectableObjectList	theInputObjectList
	Holds a list of input objects. More...

ConnectableObjectList	theOutputObjectList
	Holds a list of output objects. More...

Protected Attributes inherited from ossimListenerManager
std::list< ossimListener * >	theListenerList

bool	theEnabledFlag

std::list< ossimListener * >	theDelayedAdd

std::list< ossimListener * >	theDelayedRemove

bool	theFireEventFlag

Protected Attributes inherited from ossimErrorStatusInterface
ossimErrorCode	theErrorStatus

Additional Inherited Members
Public Types inherited from ossimImageHandler
enum	ossimImageHandlerOverviewCompressionType { OSSIM_OVERVIEW_COMPRESSION_NONE = 0, OSSIM_OVERVIEW_COMPRESSION_JPEG, OSSIM_OVERVIEW_COMPRESSION_LZW, OSSIM_OVERVIEW_COMPRESSION_DEFLATE, OSSIM_OVERVIEW_COMPRESSION_PACKBITS }

Public Types inherited from ossimConnectableObject
enum	ossimConnectableObjectDirectionType { CONNECTABLE_DIRECTION_NONE = 0, CONNECTABLE_DIRECTION_INPUT = 1, CONNECTABLE_DIRECTION_OUTPUT = 2 }

typedef std::vector< ossimRefPtr< ossimConnectableObject > >	ConnectableObjectList

Detailed Description

Definition at line 25 of file ossimJpegTileSource.h.

Constructor & Destructor Documentation

◆ ossimJpegTileSource() [1/3]

ossimJpegTileSource::ossimJpegTileSource ( )

Definition at line 82 of file ossimJpegTileSource.cpp.

    :
       ossimImageHandler(),
       theTile(0),
       theCacheTile(0),
       theLineBuffer(0),
       theFilePtr(0),
       theBufferRect(0, 0, 0, 0),
       theImageRect(0, 0, 0, 0),
       theNumberOfBands(0),
       theCacheSize  (0),
       thePrivateData(0),
       theCacheId(-1)
 {
 }

◆ ossimJpegTileSource() [2/3]

ossimJpegTileSource::ossimJpegTileSource	(	const ossimKeywordlist &	kwl,
		const char *	prefix = `0`
	)

Definition at line 101 of file ossimJpegTileSource.cpp.

References loadState(), ossimErrorCodes::OSSIM_ERROR, and ossimErrorStatusInterface::theErrorStatus.

    :
       ossimImageHandler(),
       theTile(0),
       theCacheTile(0),
       theLineBuffer(0),
       theFilePtr(0),
       theBufferRect(0, 0, 0, 0),
       theImageRect(0, 0, 0, 0),
       theNumberOfBands(0),
       theCacheSize  (0),
       thePrivateData(0),
       theCacheId(-1)
 {
    if (loadState(kwl, prefix) == false)
    {
       theErrorStatus = ossimErrorCodes::OSSIM_ERROR;
    }
 }

◆ ossimJpegTileSource() [3/3]

ossimJpegTileSource::ossimJpegTileSource ( const char * jpeg_file )

Definition at line 125 of file ossimJpegTileSource.cpp.

References open(), ossimErrorCodes::OSSIM_ERROR, ossimNotify(), ossimNotifyLevel_WARN, and ossimErrorStatusInterface::theErrorStatus.

    :
       ossimImageHandler(),
       theTile(0),
       theCacheTile(0),
       theLineBuffer(0),
       theFilePtr(0),
       theBufferRect(0, 0, 0, 0),
       theImageRect(0, 0, 0, 0),
       theNumberOfBands(0),
       theCacheSize(0),
       thePrivateData(0),
       theCacheId(-1)
 {
    static const char MODULE[]
       = "ossimJpegTileSource::ossimJpegTileSource";
 
    if (!open())
    {
 
       theErrorStatus = ossimErrorCodes::OSSIM_ERROR;
       ossimNotify(ossimNotifyLevel_WARN)
          << MODULE
          << "\nCannot open:  " << jpeg_file
          << endl;
    }
 }

◆ ~ossimJpegTileSource()

ossimJpegTileSource::~ossimJpegTileSource ( )

protectedvirtual

Definition at line 156 of file ossimJpegTileSource.cpp.

References destroy().

 {
    destroy();
 }

Member Function Documentation

◆ allocate()

void ossimJpegTileSource::allocate ( )

protected

Definition at line 185 of file ossimJpegTileSource.cpp.

References ossimImageDataFactory::create(), ossim::defaultTileSize(), ossimAppFixedTileCache::deleteCache(), ossimImageData::dup(), ossimImageData::initialize(), ossimImageDataFactory::instance(), ossimAppFixedTileCache::instance(), ossimAppFixedTileCache::newTileCache(), ossimImageData::setImageRectangle(), theCacheId, theCacheSize, theCacheTile, theImageRect, theLineBuffer, theNumberOfBands, theTile, ossimIrect::ul(), ossimIrect::width(), ossimIpt::x, and ossimIpt::y.

 {
    if(theLineBuffer)
    {
       delete [] theLineBuffer;
       theLineBuffer = 0;
    }
    // Make the cache tile the height of one tile by the image width.
    ossim::defaultTileSize(theCacheSize);
    theCacheSize.x = theImageRect.width();
 
    ossimAppFixedTileCache::instance()->deleteCache(theCacheId);
    theCacheId = ossimAppFixedTileCache::instance()->newTileCache(theImageRect, theCacheSize);
 
    theTile = ossimImageDataFactory::instance()->create(this, this);
    theCacheTile = (ossimImageData*)theTile->dup();
    theTile->initialize();
    
    ossimIrect cache_rect(theImageRect.ul().x,
                          theImageRect.ul().y,
                          theImageRect.ul().x + (theCacheSize.x-1),
                          theImageRect.ul().y + (theCacheSize.y-1));
    
    theCacheTile->setImageRectangle(cache_rect);
    theCacheTile->initialize();
    
    theLineBuffer = new ossim_uint8[theImageRect.width() * theNumberOfBands];
 
    if (traceDebug())
    {
       ossimNotify(ossimNotifyLevel_DEBUG)
          << "ossimJpegTileSource::allocate DEBUG:"
          << "\ncache tile size:           " << theCacheSize
          << "\nimage width:               " << theImageRect.width()
          << "\nimage height:              " << theImageRect.height()
          << "\nnumber of bands:           " << theNumberOfBands
          << endl;
    }
 }

◆ close()

void ossimJpegTileSource::close ( )

virtual

Deletes the overview and clears the valid image vertices.

Derived classes should implement.

Reimplemented from ossimImageHandler.

Definition at line 449 of file ossimJpegTileSource.cpp.

References destroy().

 {
    destroy();
 }

◆ destroy()

void ossimJpegTileSource::destroy ( )

protected

Definition at line 161 of file ossimJpegTileSource.cpp.

References ossimAppFixedTileCache::deleteCache(), ossimAppFixedTileCache::instance(), theCacheId, theCacheTile, theFilePtr, theLineBuffer, thePrivateData, and theTile.

Referenced by close(), open(), and ~ossimJpegTileSource().

 {
    ossimAppFixedTileCache::instance()->deleteCache(theCacheId);
 
    theTile      = 0;
    theCacheTile = 0;
 
    if (theLineBuffer)
    {
       delete [] theLineBuffer;
       theLineBuffer = 0;
    }
    if (theFilePtr)
    {
       fclose(theFilePtr);
       theFilePtr = NULL;
    }
    if(thePrivateData)
    {
       delete thePrivateData;
       thePrivateData = 0;
    }
 }

◆ fillTile()

void ossimJpegTileSource::fillTile	(	const ossimIrect &	clip_rect,
		ossimImageData *	tile
	)

protected

Note: this method assumes that setImageRectangle has been called on theTile.

Definition at line 291 of file ossimJpegTileSource.cpp.

References ossimIrect::completely_within(), getImageRectangle(), ossimImageData::getImageRectangle(), ossimIrect::height(), ossimImageData::makeBlank(), ossimIrect::set_lrx(), ossimIrect::set_ulx(), ossimIrect::stretchToTileBoundary(), theCacheSize, theFilePtr, x, and ossimIpt::y.

Referenced by getTile().

 {
    if (!theFilePtr) return;
 
    ossimIrect buffer_rect = clip_rect;
    buffer_rect.stretchToTileBoundary(theCacheSize);
    buffer_rect.set_ulx(0);
    buffer_rect.set_lrx(getImageRectangle(0).lr().x);
 
    // Check for a partial tile.
    if ( ! tile->getImageRectangle().completely_within(buffer_rect) )
    {
       tile->makeBlank();
    }
 
    ossim_int32 number_of_cache_tiles = buffer_rect.height()/theCacheSize.y;
 
 #if 0
    if (traceDebug())
    {
       ossimNotify(ossimNotifyLevel_DEBUG)
          << "tiles high:  " << number_of_cache_tiles
          << endl;
    }
 #endif
 
    ossimIpt origin = buffer_rect.ul();
    
    for (int tileIdx = 0; tileIdx < number_of_cache_tiles; ++tileIdx)
    {
       // See if it's in the cache already.
       ossimRefPtr<ossimImageData> tempTile;
       tempTile = ossimAppFixedTileCache::instance()->
          getTile(theCacheId, origin);
       if (tempTile.valid())
       {
          tile->loadTile(tempTile.get());
       }
       else
       {
          // Have to read from the jpeg file.
          ossim_uint32 start_line = static_cast<ossim_uint32>(origin.y);
          ossim_uint32 stop_line  = 
             static_cast<ossim_uint32>( min(origin.y+theCacheSize.y-1,
                                            getImageRectangle().lr().y) );
          ossimIrect cache_rect(origin.x,
                                origin.y,
                                origin.x+theCacheSize.x-1,
                                origin.y+theCacheSize.y-1);
 
          theCacheTile->setImageRectangle(cache_rect);
 
          if ( !theCacheTile->getImageRectangle().
               completely_within(getImageRectangle()) )
          {
             theCacheTile->makeBlank();
          }
 
          if (start_line < thePrivateData->theCinfo.output_scanline)
          {
             // Must restart the compression process again.
             restart();
          }
          
          // Get pointers to the cache tile buffers.
          JSAMPROW jbuf[1];
          std::vector<ossim_uint8*> buf(theNumberOfBands);
          ossim_uint32 band = 0;
          for (band = 0; band < theNumberOfBands; ++band)
          {
             buf[band] = theCacheTile->getUcharBuf(band);
          }
 
          const ossim_uint32 SAMPLES = getNumberOfSamples();
          jbuf[0] = (JSAMPROW) theLineBuffer;
 
          // Gobble any not needed lines.
          while (thePrivateData->theCinfo.output_scanline < start_line)
          {
             jpeg_read_scanlines(&thePrivateData->theCinfo, jbuf, 1);
          }
 
          while (thePrivateData->theCinfo.output_scanline <= stop_line)
          {
             // Read a line from the jpeg file.
             jpeg_read_scanlines(&thePrivateData->theCinfo, jbuf, 1);
             
             //---
             // Copy the line which if band interleaved by pixel the the band
             // separate buffers.
             //---
             ossim_uint32 index = 0;
             for (ossim_uint32 sample = 0; sample < SAMPLES; ++sample)
             {
                for (band = 0; band < theNumberOfBands; ++band)
                {
                   buf[band][sample] = theLineBuffer[index];
                   ++index;
                }
             }
             
             for (band = 0; band < theNumberOfBands; ++band)
             {
                buf[band] += SAMPLES;
             }
          }
          theCacheTile->validate();
          
          tile->loadTile(theCacheTile.get());
          
          // Add it to the cache for the next time.
          ossimAppFixedTileCache::instance()->addTile(theCacheId, theCacheTile);
          
       } // End of reading for jpeg file.
       
       origin.y += theCacheSize.y;
       
    } // for (int tile = 0; tile < number_of_cache_tiles; ++tile)
 
    tile->validate();
 }

◆ getImageGeometry()

ossimRefPtr< ossimImageGeometry > ossimJpegTileSource::getImageGeometry ( )

virtual

Returns the image geometry object associated with this tile source or NULL if non defined.

The geometry contains full-to-local image transform as well as projection (image-to-world).

Reimplemented from ossimImageHandler.

Definition at line 702 of file ossimJpegTileSource.cpp.

References ossimImageGeometryRegistry::extendGeometry(), ossimRefPtr< T >::get(), ossimImageHandler::getExternalImageGeometry(), getInternalImageGeometry(), ossimImageGeometry::getProjection(), ossimImageHandler::initImageParameters(), ossimImageGeometryRegistry::instance(), and ossimImageHandler::theGeometry.

 {
    if ( !theGeometry )
    {
       // Check for external geom:
       theGeometry = getExternalImageGeometry();
       
       if ( !theGeometry )
       {
          // Check the internal geometry first to avoid a factory call.
          theGeometry = getInternalImageGeometry();
          
          // At this point it is assured theGeometry is set.
          
          //---
          // WARNING:
          // Must create/set theGeometry at this point or the next call to
          // ossimImageGeometryRegistry::extendGeometry will put us in an infinite loop
          // as it does a recursive call back to ossimImageHandler::getImageGeometry().
          //---         
          
          // Check for set projection.
          if ( !theGeometry->getProjection() )
          {
             // Try factories for projection.
             ossimImageGeometryRegistry::instance()->extendGeometry(this);
          }
       }
       
       // Set image things the geometry object should know about.
       initImageParameters( theGeometry.get() );
    }
    
    return theGeometry;
 }

◆ getImageRectangle()

ossimIrect ossimJpegTileSource::getImageRectangle ( ossim_uint32 reduced_res_level = 0 ) const

virtual

Returns the zero based image rectangle for the reduced resolution data set (rrds) passed in.

Note that rrds 0 is the highest resolution rrds.

Reimplemented from ossimImageHandler.

Definition at line 418 of file ossimJpegTileSource.cpp.

References getNumberOfLines(), and getNumberOfSamples().

Referenced by fillTile(), getInternalImageGeometry(), and getTile().

 {
    return ossimIrect(0,
                      0,
                      getNumberOfSamples(reduced_res_level) - 1,
                      getNumberOfLines(reduced_res_level)   - 1);
 }

◆ getImageTileHeight()

ossim_uint32 ossimJpegTileSource::getImageTileHeight ( ) const

virtual

Returns the tile width of the image or 0 if the image is not tiled.

Note: this is not the same as the ossimImageSource::getTileWidth which returns the output tile width which can be different than the internal image tile width on disk.

Implements ossimImageHandler.

Definition at line 647 of file ossimJpegTileSource.cpp.

 {
    return 0;
 }

◆ getImageTileWidth()

ossim_uint32 ossimJpegTileSource::getImageTileWidth ( ) const

virtual

Returns the tile width of the image or 0 if the image is not tiled.

Note: this is not the same as the ossimImageSource::getTileWidth which returns the output tile width which can be different than the internal image tile width on disk.

Implements ossimImageHandler.

Definition at line 642 of file ossimJpegTileSource.cpp.

 {
    return 0;
 }

◆ getInternalImageGeometry()

ossimRefPtr< ossimImageGeometry > ossimJpegTileSource::getInternalImageGeometry ( ) const

protectedvirtual

Parameters

Method to get geometry from the xml file or internal geotiff tags.

Reimplemented from ossimImageHandler.

Definition at line 738 of file ossimJpegTileSource.cpp.

References ossimRefPtr< T >::get(), ossimImageHandler::getFilename(), getImageRectangle(), ossimXmpInfo::getProjection(), ossimXmpInfo::open(), ossimImageGeometry::setProjection(), and ossimRefPtr< T >::valid().

Referenced by getImageGeometry().

 {
    ossimRefPtr<ossimImageGeometry> geom = new ossimImageGeometry();
 
    // See if we can pull a projection from the XMP APP1 XML block if present:
    ossimXmpInfo info;
    if ( info.open( getFilename() ) )
    {
       ossimDrect imageRect = getImageRectangle( 0 );
       ossimRefPtr<ossimProjection> proj = info.getProjection( imageRect );
       if ( proj.valid() )
       {
          geom->setProjection( proj.get() );
       }
    }
 
    return geom;
 }

◆ getLongName()

ossimString ossimJpegTileSource::getLongName ( ) const

virtual

Reimplemented from ossimObject.

Definition at line 657 of file ossimJpegTileSource.cpp.

 {
    return ossimString("jpg reader");
 }

◆ getNumberOfInputBands()

ossim_uint32 ossimJpegTileSource::getNumberOfInputBands ( ) const

virtual

Returns the number of bands in the image.

Satisfies pure virtual from ImageHandler class.

Implements ossimImageSource.

Definition at line 662 of file ossimJpegTileSource.cpp.

References theNumberOfBands.

Referenced by getNumberOfOutputBands().

 {
    return theNumberOfBands;
 }

◆ getNumberOfLines()

ossim_uint32 ossimJpegTileSource::getNumberOfLines ( ossim_uint32 reduced_res_level = 0 ) const

virtual

Returns the number of lines in the image.

Satisfies pure virtual from ImageHandler class.

Implements ossimImageHandler.

Definition at line 611 of file ossimJpegTileSource.cpp.

References ossimImageHandler::getNumberOfLines(), ossimIrect::lr(), theImageRect, ossimImageHandler::theOverview, ossimIrect::ul(), ossimRefPtr< T >::valid(), and ossimIpt::y.

Referenced by getImageRectangle().

 {
    if (reduced_res_level == 0)
    {
       return theImageRect.lr().y - theImageRect.ul().y + 1;
    }
    else if (theOverview.valid())
    {
       return theOverview->getNumberOfLines(reduced_res_level);
    }
 
    return 0;
 }

◆ getNumberOfOutputBands()

ossim_uint32 ossimJpegTileSource::getNumberOfOutputBands ( ) const

virtual

Returns the number of bands in a tile returned from this TileSource.

Note: we are supporting sources that can have multiple data objects. If you want to know the scalar type of an object you can pass in the

Reimplemented from ossimImageSource.

Definition at line 667 of file ossimJpegTileSource.cpp.

References getNumberOfInputBands().

Referenced by getTile().

 {
    return getNumberOfInputBands();
 }

◆ getNumberOfSamples()

ossim_uint32 ossimJpegTileSource::getNumberOfSamples ( ossim_uint32 reduced_res_level = 0 ) const

virtual

Returns the number of samples in the image.

Satisfies pure virtual from ImageHandler class.

Implements ossimImageHandler.

Definition at line 628 of file ossimJpegTileSource.cpp.

References ossimImageHandler::getNumberOfSamples(), ossimIrect::lr(), theImageRect, ossimImageHandler::theOverview, ossimIrect::ul(), ossimRefPtr< T >::valid(), and ossimIpt::x.

Referenced by getImageRectangle().

 {
    if (reduced_res_level == 0)
    {
       return theImageRect.lr().x - theImageRect.ul().x + 1;;
    }
    else if (theOverview.valid())
    {
       return theOverview->getNumberOfSamples(reduced_res_level);
    }
 
    return 0;
 }

◆ getOutputScalarType()

ossimScalarType ossimJpegTileSource::getOutputScalarType ( ) const

virtual

Returns the output pixel type of the tile source.

Reimplemented from ossimImageSource.

Definition at line 672 of file ossimJpegTileSource.cpp.

References OSSIM_UCHAR.

 {
    return OSSIM_UCHAR;
 }

◆ getProperty()

ossimRefPtr< ossimProperty > ossimJpegTileSource::getProperty ( const ossimString & name ) const

virtual

Gets a property for matching name.

Parameters

name	The name of the property to get.

Returns: Returns property matching "name".

Reimplemented from ossimImageHandler.

Definition at line 553 of file ossimJpegTileSource.cpp.

References ossimImageHandler::getProperty().

 {
     if(name == "file_type")
     {
         return new ossimStringProperty("file_type", "JPEG");
     }
     return ossimImageHandler::getProperty(name);
 }

◆ getPropertyNames()

void ossimJpegTileSource::getPropertyNames ( std::vector< ossimString > & propertyNames ) const

virtual

Gets a list of property names available.

Parameters

propertyNames The list to push back names to.

Reimplemented from ossimImageHandler.

Definition at line 562 of file ossimJpegTileSource.cpp.

References ossimImageHandler::getPropertyNames().

 {
     ossimImageHandler::getPropertyNames(propertyNames);
     propertyNames.push_back("file_type");
 }

◆ getShortName()

ossimString ossimJpegTileSource::getShortName ( ) const

virtual

Reimplemented from ossimObject.

Definition at line 652 of file ossimJpegTileSource.cpp.

 {
    return ossimString("jpg");
 }

◆ getTile() [1/2]

ossimRefPtr< ossimImageData > ossimJpegTileSource::getTile	(	const ossimIrect &	rect,
		ossim_uint32	resLevel = `0`
	)

virtual

Returns a pointer to a tile given an origin representing the upper left corner of the tile to grab from the image.

Satisfies pure virtual from TileSource class.

Reimplemented from ossimImageSource.

Definition at line 225 of file ossimJpegTileSource.cpp.

References ossimRefPtr< T >::get(), ossimDataObject::getDataObjectStatus(), ossimImageData::makeBlank(), OSSIM_NULL, ossimImageData::setImageRectangle(), theTile, and ossimRefPtr< T >::valid().

 {
    if (theTile.valid())
    {
       // Image rectangle must be set prior to calling getTile.
       theTile->setImageRectangle(rect);
       
       if ( getTile( theTile.get(), resLevel ) == false )
       {
          if (theTile->getDataObjectStatus() != OSSIM_NULL)
          {
             theTile->makeBlank();
          }
       }
    }
    
    return theTile;
 }

◆ getTile() [2/2]

bool ossimJpegTileSource::getTile	(	ossimImageData *	result,
		ossim_uint32	resLevel = `0`
	)

virtual

Method to get a tile.

Parameters

result The tile to stuff. Note The requested rectangle in full image space and bands should be set in the result tile prior to passing. It will be an error if: result.getNumberOfBands() != this->getNumberOfOutputBands()

Returns: true on success false on error. If return is false, result is undefined so caller should handle appropriately with makeBlank or whatever.

Reimplemented from ossimImageSource.

Definition at line 245 of file ossimJpegTileSource.cpp.

References ossimIrect::clipToRect(), fillTile(), getImageRectangle(), ossimImageData::getImageRectangle(), ossimImageData::getNumberOfBands(), getNumberOfOutputBands(), ossimImageHandler::getOverviewTile(), isOpen(), ossimSource::isSourceEnabled(), isValidRLevel(), ossimImageData::makeBlank(), ossimReferenced::ref(), status, and ossimReferenced::unref().

 {
    bool status = false;
    
    //---
    // Not open, this tile source bypassed, or invalid res level,
    // return a blank tile.
    //---
    if( isOpen() && isSourceEnabled() && isValidRLevel(resLevel) &&
        result && (result->getNumberOfBands() == getNumberOfOutputBands()) )
    {
       result->ref();  // Increment ref count.
       
       //---
       // Check for overview tile.  Some overviews can contain r0 so always
       // call even if resLevel is 0.  Method returns true on success, false
       // on error.
       //---
       status = getOverviewTile(resLevel, result);
       
       if (!status) // Did not get an overview tile.
       {
          status = true;
          
          ossimIrect tile_rect = result->getImageRectangle();       
 
          if (getImageRectangle(0).intersects(tile_rect))
          {
             // Make a clip rect.
             ossimIrect clip_rect = tile_rect.clipToRect(getImageRectangle(0));
             
             fillTile(clip_rect, result);
          }
          else // No intersection...
          {
             result->makeBlank();
          }
       }
 
       result->unref();  // Decrement ref count.
    }
 
    return status;
 }

◆ getTileHeight()

ossim_uint32 ossimJpegTileSource::getTileHeight ( ) const

virtual

Returns the height of the output tile.

Reimplemented from ossimImageSource.

Definition at line 579 of file ossimJpegTileSource.cpp.

References ossimImageData::getHeight(), theTile, and ossimRefPtr< T >::valid().

 {
    return ( theTile.valid() ? theTile->getHeight() : 0 );
 }

◆ getTileWidth()

ossim_uint32 ossimJpegTileSource::getTileWidth ( ) const

virtual

Returns the width of the output tile.

Reimplemented from ossimImageSource.

Definition at line 571 of file ossimJpegTileSource.cpp.

References ossimImageData::getWidth(), theTile, and ossimRefPtr< T >::valid().

 {
    return ( theTile.valid() ? theTile->getWidth() : 0 );
 }

◆ isOpen()

bool ossimJpegTileSource::isOpen ( ) const

virtual

Derived classes must implement this method to be concrete.

Returns: true if open, false if not.

Implements ossimImageHandler.

Definition at line 677 of file ossimJpegTileSource.cpp.

References theFilePtr.

Referenced by getTile().

 {
    return (theFilePtr != NULL);
 }

◆ isValidRLevel()

bool ossimJpegTileSource::isValidRLevel ( ossim_uint32 resLevel ) const

virtual

Determines if the passed in reslution level is valid.

If this reader is used as an overview the caller should pass in a resLevel relative to the full image.

Parameters

resLevel zero base resolution level.

Returns: true on success, false on error.

Reimplemented from ossimImageHandler.

Definition at line 587 of file ossimJpegTileSource.cpp.

References ossimImageHandler::getNumberOfDecimationLevels(), ossimImageHandler::isValidRLevel(), ossimImageHandler::theOverview, and ossimRefPtr< T >::valid().

Referenced by getTile().

 {
    static const char MODULE[] = "ossimJpegTileSource::isValidRLevel";
 
    if (reduced_res_level == 0)
    {
       return true;
    }
    else if (theOverview.valid())
    {
       return theOverview->isValidRLevel(reduced_res_level);
    }
    else
    {
       cerr << MODULE << " Invalid reduced_res_level:  " << reduced_res_level
            << "\nHighest available:  " << (getNumberOfDecimationLevels() - 1)
            << endl;
    }
    return false;
 }

◆ loadState()

bool ossimJpegTileSource::loadState	(	const ossimKeywordlist &	kwl,
		const char *	prefix = `0`
	)

virtual

Method to the load (recreate) the state of an object from a keyword list.

Return true if ok or false on error.

Reimplemented from ossimImageHandler.

Definition at line 438 of file ossimJpegTileSource.cpp.

References ossimImageHandler::loadState(), and open().

Referenced by ossimJpegTileSource().

 {
    if (ossimImageHandler::loadState(kwl, prefix))
    {
       return open();
    }
 
    return false;
 }

◆ open() [1/2]

bool ossimJpegTileSource::open ( const ossimFilename & jpeg_file )

virtual

Returns true if the image_file can be opened and is a valid tiff file.

Reimplemented from ossimImageHandler.

Definition at line 457 of file ossimJpegTileSource.cpp.

References open(), and ossimImageHandler::theImageFile.

 {
    theImageFile = jpeg_file;
 
    return open();
 }

◆ open() [2/2]

bool ossimJpegTileSource::open ( )

protectedvirtual

Returns true if no errors initializing object.

Notes:

Callers of this method must ensure "theTiffPtr" data member is initialized.
This method was added to consolidate object initialization code between constructor and public open method.

Implements ossimImageHandler.

Definition at line 468 of file ossimJpegTileSource.cpp.

References ossimString::c_str(), destroy(), ossimString::empty(), ossimErrorCodes::OSSIM_ERROR, ossimErrorStatusInterface::theErrorStatus, theFilePtr, and ossimImageHandler::theImageFile.

Referenced by loadState(), open(), and ossimJpegTileSource().

 {
    static const char MODULE[] = "ossimJpegTileSource::open";
 
    // Start with a clean slate.
    destroy();
    // Check for empty filename.
    if (theImageFile.empty())
    {
       return false;
    }
    
    // Open Jpeg file.
    if((theFilePtr = fopen(theImageFile.c_str(), "rb")) == NULL)
    {
       theErrorStatus = ossimErrorCodes::OSSIM_ERROR;
 
       if (traceDebug())
       {
          ossimNotify(ossimNotifyLevel_DEBUG)
             << MODULE << "\nERROR:\n"
             << "Could not open:  " << theImageFile.c_str()
             << endl;
       }
       
       return false;
    }
 
    //***
    // Verify the file is a jpeg by checking the first two bytes.
    //***
    ossim_uint8 c[2];
    fread(c, 2, 1, theFilePtr);
    if( c[0] != 0xFF || c[1] != 0xD8 )
    {
       if (traceDebug())
       {
          ossimNotify(ossimNotifyLevel_DEBUG)
             << MODULE << " NOTICE:\n"
             << "Not a jpeg file..." << endl;
       }
       
       fclose(theFilePtr);
       theFilePtr = NULL;
       return false;
    }
 
    thePrivateData = new PrivateData();
    rewind(theFilePtr);
 
    //---
    // Step 1: allocate and initialize JPEG decompression object
    // We set up the normal JPEG error routines, then override error_exit.
    //---   
    thePrivateData->theCinfo.err = jpeg_std_error(&thePrivateData->theJerr);
 
    // Initialize the JPEG decompression object.
    jpeg_create_decompress(&thePrivateData->theCinfo);
 
    // Specify data source.
    //jpeg_stdio_src(&thePrivateData->theCinfo, theFilePtr);
    ossimJpegStdIOSrc(&thePrivateData->theCinfo, theFilePtr);
 
    // Read the file parameters with jpeg_read_header.
    jpeg_read_header(&thePrivateData->theCinfo, TRUE);
 
    jpeg_start_decompress(&thePrivateData->theCinfo);
 
    theNumberOfBands = thePrivateData->theCinfo.output_components;
 
    theImageRect = ossimIrect(0,
                              0,
                              thePrivateData->theCinfo.output_width  - 1,
                              thePrivateData->theCinfo.output_height - 1);
    
    theBufferRect.set_lrx(thePrivateData->theCinfo.output_width  - 1);
    
    completeOpen();
 
    // Allocate memory...
    allocate();
 
    return true;
 }

◆ restart()

void ossimJpegTileSource::restart ( )

protected

Definition at line 682 of file ossimJpegTileSource.cpp.

References ossimJpegStdIOSrc(), ossimJpegTileSource::PrivateData::theCinfo, theFilePtr, thePrivateData, and TRUE.

 {
    jpeg_abort_decompress( &thePrivateData->theCinfo );
    jpeg_destroy_decompress( &thePrivateData->theCinfo );
    
    // Put the theFilePtr back to the start...
    rewind(theFilePtr);
 
    // Initialize the JPEG decompression object.
    jpeg_create_decompress(&thePrivateData->theCinfo);
 
    // Specify data source.
    ossimJpegStdIOSrc(&thePrivateData->theCinfo, theFilePtr);
 
    // Read the file parameters with jpeg_read_header.
    jpeg_read_header(&thePrivateData->theCinfo, TRUE);
 
    jpeg_start_decompress(&thePrivateData->theCinfo);
 }

◆ saveState()

bool ossimJpegTileSource::saveState	(	ossimKeywordlist &	kwl,
		const char *	prefix = `0`
	)		const

virtual

Method to save the state of an object to a keyword list.

Return true if ok or false on error.

Reimplemented from ossimImageHandler.

Definition at line 429 of file ossimJpegTileSource.cpp.

References ossimImageHandler::saveState().

 {
    return ossimImageHandler::saveState(kwl, prefix);
 }

Member Data Documentation

◆ theBufferRect

ossimIrect ossimJpegTileSource::theBufferRect

protected

Definition at line 203 of file ossimJpegTileSource.h.

◆ theCacheId

ossimAppFixedTileCache::ossimAppFixedCacheId ossimJpegTileSource::theCacheId

protected

Definition at line 210 of file ossimJpegTileSource.h.

Referenced by allocate(), and destroy().

◆ theCacheSize

ossimIpt ossimJpegTileSource::theCacheSize

protected

Definition at line 206 of file ossimJpegTileSource.h.

Referenced by allocate(), and fillTile().

◆ theCacheTile

ossimRefPtr<ossimImageData> ossimJpegTileSource::theCacheTile

protected

Definition at line 200 of file ossimJpegTileSource.h.

Referenced by allocate(), and destroy().

◆ theFilePtr

FILE* ossimJpegTileSource::theFilePtr

protected

Definition at line 202 of file ossimJpegTileSource.h.

Referenced by destroy(), fillTile(), isOpen(), open(), and restart().

◆ theImageRect

ossimIrect ossimJpegTileSource::theImageRect

protected

Definition at line 204 of file ossimJpegTileSource.h.

Referenced by allocate(), getNumberOfLines(), and getNumberOfSamples().

◆ theLineBuffer

ossim_uint8* ossimJpegTileSource::theLineBuffer

protected

Definition at line 201 of file ossimJpegTileSource.h.

Referenced by allocate(), and destroy().

◆ theNumberOfBands

ossim_uint32 ossimJpegTileSource::theNumberOfBands

protected

Definition at line 205 of file ossimJpegTileSource.h.

Referenced by allocate(), and getNumberOfInputBands().

◆ thePrivateData

PrivateData* ossimJpegTileSource::thePrivateData

protected

Definition at line 208 of file ossimJpegTileSource.h.

Referenced by destroy(), and restart().

◆ theTile

ossimRefPtr<ossimImageData> ossimJpegTileSource::theTile

protected

Definition at line 199 of file ossimJpegTileSource.h.

Referenced by allocate(), destroy(), getTile(), getTileHeight(), and getTileWidth().

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

Classes

Public Member Functions

Protected Member Functions

Protected Attributes

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ ossimJpegTileSource() [1/3]

◆ ossimJpegTileSource() [2/3]

◆ ossimJpegTileSource() [3/3]

◆ ~ossimJpegTileSource()

Member Function Documentation

◆ allocate()

◆ close()

◆ destroy()

◆ fillTile()

◆ getImageGeometry()

◆ getImageRectangle()

◆ getImageTileHeight()

◆ getImageTileWidth()

◆ getInternalImageGeometry()

◆ getLongName()

◆ getNumberOfInputBands()

◆ getNumberOfLines()

◆ getNumberOfOutputBands()

◆ getNumberOfSamples()

◆ getOutputScalarType()

◆ getProperty()

◆ getPropertyNames()

◆ getShortName()

◆ getTile() [1/2]

◆ getTile() [2/2]

◆ getTileHeight()

◆ getTileWidth()

◆ isOpen()

◆ isValidRLevel()

◆ loadState()

◆ open() [1/2]

◆ open() [2/2]

◆ restart()

◆ saveState()

Member Data Documentation

◆ theBufferRect

◆ theCacheId

◆ theCacheSize

◆ theCacheTile

◆ theFilePtr

◆ theImageRect

◆ theLineBuffer

◆ theNumberOfBands

◆ thePrivateData

◆ theTile