#include <ossimJpegWriter.h>

Inheritance diagram for ossimJpegWriter:

Public Member Functions
	ossimJpegWriter ()
	default constructor More...

virtual void	getImageTypeList (std::vector< ossimString > &imageTypeList) const
	void getImageTypeList(std::vector<ossimString>& imageTypeList)const More...

virtual void	setQuality (ossim_int32 quality)
	Sets the jpeg compression quality. More...

virtual bool	isOpen () const

virtual bool	open ()

virtual void	close ()

virtual bool	saveState (ossimKeywordlist &kwl, const char *prefix=0) const
	saves the state of the object. 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 void	setProperty (ossimRefPtr< ossimProperty > property)
	Will set the property whose name matches the argument "property->getName()". More...

virtual ossimRefPtr< ossimProperty >	getProperty (const ossimString &name) const

virtual void	getPropertyNames (std::vector< ossimString > &propertyNames) const
	Pushes this's names onto the list of property names. More...

virtual ossimString	getExtension () const
	Returns a 3-letter extension from the image type descriptor (theOutputImageType) that can be used for image file extensions. More...

bool	hasImageType (const ossimString &imageType) const
	bool hasImageType(const ossimString& imageType) const More...

Public Member Functions inherited from ossimImageFileWriter
	ossimImageFileWriter (const ossimFilename &filename=ossimFilename(), ossimImageSource inputSource=0, ossimObject owner=0)
	The writer will own the sequencer. More...

virtual	~ossimImageFileWriter ()

virtual ossimObject *	getObject ()

virtual const ossimObject *	getObject () const

virtual bool	getOutputHasInternalOverviews (void) const
	Examples of writers that always generate internal overviews are ossim_kakadu_jp2 and ossim_kakadu_nitf_j2k. More...

virtual void	setTileSize (const ossimIpt &tileSize)
	Sets the output image tiling size if supported by the writer. More...

virtual bool	writeEnviHeaderFile ()
	Will write an envi header file. More...

virtual bool	writeErsHeaderFile ()
	Will write an ER Mapper header file. More...

virtual bool	writeExternalGeometryFile ()
	Will write an external geometry file. More...

virtual bool	writeFgdcFile ()
	Will write an fgdc file. More...

virtual bool	writeHistogramFile ()
	Returns true on success, false on error. More...

virtual bool	writeJpegWorldFile ()
	Will write a jpeg world file. More...

virtual bool	writeOverviewFile (ossim_uint16 tiff_compress_type=1, ossim_int32 jpeg_compress_quality=75, bool includeR0=false)
	Write out an ossim overview file from the source_file. More...

virtual bool	writeReadmeFile ()
	Will write a readme file. More...

virtual bool	writeTiffWorldFile ()
	Will write a world file. More...

virtual bool	writeWorldFile ()
	Will write a world file. More...

virtual bool	writeMetaDataFiles ()
	Convenience method that calls meta data write methods that are flagged to be called. More...

virtual void	setAreaOfInterest (const ossimIrect &inputRect)

virtual void	changeSequencer (ossimImageSourceSequencer *sequencer)
	Sets the sequencer and connects it to the input of this. More...

virtual ossimImageSourceSequencer *	getSequencer ()

virtual void	initialize ()
	Initialize method. More...

virtual bool	execute ()
	Calls: writeFile() writeMetaDataFiles() More...

virtual bool	writeStream ()
	Method to write the image to a stream. More...

virtual bool	setOutputStream (ossimRefPtr< ossimOStream > stream)
	Sets the output stream to write to. More...

virtual bool	setOutputStream (std::ostream &str)
	tmp drb More...

virtual ossimRefPtr< ossimOStream >	getOutputStream () const
	Method to return the stream attached to output. More...

virtual void	setPercentComplete (double percentComplete)

virtual void	setOutputImageType (ossim_int32 type)

virtual void	setOutputImageType (const ossimString &type)

virtual ossim_int32	getOutputImageType () const

virtual ossimString	getOutputImageTypeString () const

virtual void	setOutputName (const ossimString &outputName)

virtual void	setFilename (const ossimFilename &file)

virtual const ossimFilename &	getFilename () const

virtual bool	canConnectMyInputTo (ossim_int32 inputIndex, const ossimConnectableObject *object) const
	required to be overriden by derived classes More...

virtual void	disconnectInputEvent (ossimConnectionEvent &event)

virtual void	connectInputEvent (ossimConnectionEvent &event)

virtual void	propertyEvent (ossimPropertyEvent &event)

virtual bool	getWriteImageFlag () const
	Control flags... More...

virtual bool	getWriteHistogramFlag () const

virtual bool	getWriteOverviewFlag () const

virtual bool	getScaleToEightBitFlag () const

virtual bool	getWriteEnviHeaderFlag () const

virtual bool	getWriteErsHeaderFlag () const

virtual bool	getWriteExternalGeometryFlag () const

virtual bool	getWriteFgdcFlag () const

virtual bool	getWriteJpegWorldFileFlag () const

virtual bool	getWriteReadmeFlag () const

virtual bool	getWriteTiffWorldFileFlag () const

virtual bool	getWriteWorldFileFlag () const

virtual void	setWriteImageFlag (bool flag)

virtual void	setWriteOverviewFlag (bool flag)

virtual void	setWriteHistogramFlag (bool flag)

virtual void	setScaleToEightBitFlag (bool flag)

virtual void	setWriteEnviHeaderFlag (bool flag)

virtual void	setWriteErsHeaderFlag (bool flag)

virtual void	setWriteExternalGeometryFlag (bool flag)

virtual void	setWriteFgdcFlag (bool flag)

virtual void	setWriteJpegWorldFile (bool flag)

virtual void	setWriteReadme (bool flag)

virtual void	setWriteTiffWorldFile (bool flag)

virtual void	setWriteWorldFile (bool flag)

virtual ossim_uint16	getOverviewCompressType () const

virtual ossim_int32	getOverviewJpegCompressQuality () const

virtual void	setOverviewCompressType (ossim_uint16 type)

virtual void	setOverviewJpegCompressQuality (ossim_int32 quality)

virtual bool	addListener (ossimListener *listener)
	Overrides base "addListener" this will capture the pointer and then call the base class "addListener". More...

virtual bool	removeListener (ossimListener *listener)
	Overrides base "removeListener". More...

virtual void	setPixelType (ossimPixelType type)
	If "point" the coordinate tie points are relative to the center of the pixel. More...

virtual void	setPixelType (const ossimString &type)
	If "point" the coordinate tie points are relative to the center of the pixel. More...

virtual ossimPixelType	getPixelType () const

virtual void	getPixelTypeString (ossimString &type) const

Public Member Functions inherited from ossimImageWriter
	ossimImageWriter (ossimObject *owner=NULL)

	ossimImageWriter (ossimObject *owner, ossim_uint32 numberOfInputs, ossim_uint32 numberOfOutputs, bool inputListIsFixed, bool outputListIsFixed)

virtual	~ossimImageWriter ()

virtual bool	setViewingRect (const ossimIrect &aRect)

virtual ossimIrect	getAreaOfInterest () const

Public Member Functions inherited from ossimOutputSource
	ossimOutputSource (ossimObject *owner=NULL)

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

virtual	~ossimOutputSource ()

virtual bool	open (const ossimString &outputName)

virtual const ossimString &	getOutputName ()

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	getShortName () const

virtual ossimString	getLongName () 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	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

Public Member Functions inherited from ossimProcessInterface
	ossimProcessInterface ()

virtual	~ossimProcessInterface ()

virtual void	abort ()

bool	needsAborting () const

bool	isAbortRequested () const

bool	isAborted () const

bool	isExecuting () const

ossimProcessStatus	getProcessStatus () const

virtual void	setProcessStatus (ossimProcessStatus processStatus)

virtual double	getPercentComplete () const

virtual ossimListenerManager *	getManager ()

void	enableEvents ()

void	disableEvents ()

void	setCurrentMessage (const ossimString &message)

virtual std::ostream &	print (std::ostream &out) const

Public Member Functions inherited from ossimConnectableObjectListener
	ossimConnectableObjectListener ()

virtual	~ossimConnectableObjectListener ()

virtual void	processEvent (ossimEvent &event)
	ProcessEvent. More...

virtual void	objectDestructingEvent (ossimObjectDestructingEvent &)

virtual void	connectionEvent (ossimConnectionEvent &)

virtual void	disconnectOutputEvent (ossimConnectionEvent &)

virtual void	connectOutputEvent (ossimConnectionEvent &)

virtual void	addObjectEvent (ossimContainerEvent &)

virtual void	removeObjectEvent (ossimContainerEvent &)

virtual void	containerEvent (ossimContainerEvent &)

virtual void	refreshEvent (ossimRefreshEvent &)

Public Member Functions inherited from ossimListener
	ossimListener ()

virtual	~ossimListener ()

void	enableListener ()

void	disableListener ()

void	setListenerEnableFlag (bool flag)

bool	isListenerEnabled () const

bool	getListenerEnableFlag () const

Protected Member Functions
virtual	~ossimJpegWriter ()
	virtual destructor More...

Protected Member Functions inherited from ossimImageFileWriter
bool	writeWorldFile (const ossimFilename &file)
	Common world file writer method. More...

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)

Private Member Functions
virtual bool	writeFile ()
	Write out the file. More...

Private Attributes
ossim_int32	theQuality

FILE *	theOutputFilePtr

Additional Inherited Members
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

Public Types inherited from ossimProcessInterface
enum	ossimProcessStatus { PROCESS_STATUS_UNKNOWN = 0, PROCESS_STATUS_EXECUTING = 1, PROCESS_STATUS_ABORTED = 2, PROCESS_STATUS_ABORT_REQUEST = 3, PROCESS_STATUS_NOT_EXECUTING = 4 }

Protected Attributes inherited from ossimImageFileWriter
ossimRefPtr< ossimImageSourceSequencer >	theInputConnection

ossimRefPtr< ossimViewController >	theViewController

ossimListener *	theProgressListener

ossimFilename	theFilename

ossimString	theOutputImageType

bool	theWriteImageFlag

bool	theWriteOverviewFlag

bool	theWriteHistogramFlag

bool	theScaleToEightBitFlag

ossim_uint16	theOverviewCompressType

ossim_int32	theOverviewJpegCompressQuality

bool	theWriteEnviHeaderFlag
	External meta data writer flags. More...

bool	theWriteErsHeaderFlag

bool	theWriteExternalGeometryFlag

bool	theWriteFgdcFlag

bool	theWriteJpegWorldFileFlag

bool	theWriteReadmeFlag

bool	theWriteTiffWorldFileFlag

bool	theWriteWorldFileFlag

bool	theAutoCreateDirectoryFlag

ossimUnitType	theLinearUnits
	If not a geographic projection this allows the user to set the linear units of the output tag to be: More...

ossimPixelType	thePixelType
	OSSIM_PIXEL_IS_POINT = 0, OSSIM_PIXEL_IS_AREA = 1. More...

Protected Attributes inherited from ossimImageWriter
ossimIrect	theAreaOfInterest

Protected Attributes inherited from ossimOutputSource
ossimString	theOutputName

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

Protected Attributes inherited from ossimProcessInterface
double	thePercentComplete

ossimProcessStatus	theProcessStatus

ossimString	theMessage

bool	theEventFlag

Protected Attributes inherited from ossimListener
bool	theListenerEnableFlag

Detailed Description

Definition at line 23 of file ossimJpegWriter.h.

Constructor & Destructor Documentation

◆ ossimJpegWriter()

ossimJpegWriter::ossimJpegWriter ( )

default constructor

Definition at line 44 of file ossimJpegWriter.cpp.

    : ossimImageFileWriter(),
      theQuality(DEFAULT_JPEG_QUALITY),
      theOutputFilePtr(NULL)
 {
    // Since there is no internal geometry set the flag to write out one.
    setWriteExternalGeometryFlag(true);
 }

◆ ~ossimJpegWriter()

ossimJpegWriter::~ossimJpegWriter ( )

protectedvirtual

virtual destructor

Definition at line 53 of file ossimJpegWriter.cpp.

References close().

 {
    close();
 }

Member Function Documentation

◆ close()

void ossimJpegWriter::close ( )

virtual

Generic interface to allow one to close a consumer. For displays this might minimize the window and free up internal pointers for file writers it will make sure the file stream is closed and flushed.

Implements ossimOutputSource.

Definition at line 393 of file ossimJpegWriter.cpp.

References theOutputFilePtr.

Referenced by open(), and ~ossimJpegWriter().

 {
    if(theOutputFilePtr)
    {
       fclose(theOutputFilePtr);
       theOutputFilePtr = NULL;
    }
 }

◆ getExtension()

ossimString ossimJpegWriter::getExtension ( ) const

virtual

Returns a 3-letter extension from the image type descriptor (theOutputImageType) that can be used for image file extensions.

Parameters

imageType string representing image type.

Returns: the 3-letter string extension.

Reimplemented from ossimImageFileWriter.

Definition at line 407 of file ossimJpegWriter.cpp.

 {
    return ossimString("jpg");
 }

◆ getImageTypeList()

void ossimJpegWriter::getImageTypeList ( std::vector< ossimString > & imageTypeList ) const

virtual

void getImageTypeList(std::vector<ossimString>& imageTypeList)const

Appends this writer image types to list "imageTypeList".

This writer only has one type "jpeg".

Parameters

imageTypeList stl::vector<ossimString> list to append to.

Implements ossimImageFileWriter.

Definition at line 402 of file ossimJpegWriter.cpp.

 {
    imageTypeList.push_back(ossimString("jpeg"));
 }

◆ getProperty()

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

virtual

Parameters

name	Name of property to return.

Returns: A pointer to a property object which matches "name".

Reimplemented from ossimImageFileWriter.

Definition at line 440 of file ossimJpegWriter.cpp.

References ossimKeywordNames::COMPRESSION_QUALITY_KW, ossimImageFileWriter::getProperty(), ossimNumericProperty::ossimNumericPropertyType_INT, ossimNumericProperty::setNumericType(), theQuality, and ossimString::toString().

 {
    if (name == ossimKeywordNames::COMPRESSION_QUALITY_KW)
    {
       ossimNumericProperty* prop =
          new ossimNumericProperty(name,
                                   ossimString::toString(theQuality),
                                   1.0,
                                   100.0);
       prop->setNumericType(ossimNumericProperty::ossimNumericPropertyType_INT);
       return prop;
    }
 
    return ossimImageFileWriter::getProperty(name);
 }

◆ getPropertyNames()

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

virtual

Pushes this's names onto the list of property names.

Parameters

propertyNames array to add this's property names to.

Reimplemented from ossimImageFileWriter.

Definition at line 456 of file ossimJpegWriter.cpp.

References ossimKeywordNames::COMPRESSION_QUALITY_KW, and ossimImageFileWriter::getPropertyNames().

 {
    ossimString name = ossimKeywordNames::COMPRESSION_QUALITY_KW;
    propertyNames.push_back(name);
    
    ossimImageFileWriter::getPropertyNames(propertyNames);
 }

◆ hasImageType()

bool ossimJpegWriter::hasImageType ( const ossimString & imageType ) const

virtual

bool hasImageType(const ossimString& imageType) const

Parameters

imageType string representing image type.

Returns: true if "imageType" is supported by writer.

Reimplemented from ossimImageFileWriter.

Definition at line 412 of file ossimJpegWriter.cpp.

References ossimImageFileWriter::hasImageType().

 {
    if((imageType == "image/jpeg")||
       (imageType == "image/jpg"))
    {
       return true;
    }
 
    return ossimImageFileWriter::hasImageType(imageType);
 }

◆ isOpen()

bool ossimJpegWriter::isOpen ( ) const

virtual

Implements ossimOutputSource.

Definition at line 370 of file ossimJpegWriter.cpp.

References theOutputFilePtr.

Referenced by writeFile().

 {
    return (theOutputFilePtr!=NULL);
 }

◆ loadState()

bool ossimJpegWriter::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 ossimImageFileWriter.

Definition at line 321 of file ossimJpegWriter.cpp.

References ossimKeywordNames::COMPRESSION_QUALITY_KW, ossimKeywordlist::find(), ossimImageFileWriter::loadState(), setQuality(), and ossimImageFileWriter::theOutputImageType.

 {
    const char* value =
       kwl.find(prefix, ossimKeywordNames::COMPRESSION_QUALITY_KW);
    if(value)
    {
       setQuality(atoi(value));
    }
    
    theOutputImageType = "jpeg";
    
    return ossimImageFileWriter::loadState(kwl, prefix);
 }

◆ open()

bool ossimJpegWriter::open ( )

virtual

Allows a generic interface to open a consumer for writing. If you are a display writer then you would probably show the window or init the device context for writing.

Implements ossimOutputSource.

Definition at line 375 of file ossimJpegWriter.cpp.

References ossimString::c_str(), close(), ossimString::empty(), ossimImageFileWriter::theFilename, and theOutputFilePtr.

Referenced by writeFile().

 {
    close();
 
    // Check for empty filenames.
    if (theFilename.empty())
    {
       return false;
    }
    
    theOutputFilePtr = fopen(theFilename.c_str(), "wb");
    if(theOutputFilePtr)
    {
       return true;
    }
    return false;
 }

◆ saveState()

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

virtual

saves the state of the object.

Reimplemented from ossimImageFileWriter.

Definition at line 311 of file ossimJpegWriter.cpp.

References ossimKeywordlist::add(), ossimKeywordNames::COMPRESSION_QUALITY_KW, ossimImageFileWriter::saveState(), and theQuality.

 {
    kwl.add( prefix,
             ossimKeywordNames::COMPRESSION_QUALITY_KW,
             theQuality,
             true );
    return ossimImageFileWriter::saveState(kwl, prefix);
 }

◆ setProperty()

void ossimJpegWriter::setProperty ( ossimRefPtr< ossimProperty > property )

virtual

Will set the property whose name matches the argument "property->getName()".

Parameters

property Object containing property to set.

Reimplemented from ossimImageFileWriter.

Definition at line 423 of file ossimJpegWriter.cpp.

References ossimKeywordNames::COMPRESSION_QUALITY_KW, ossimProperty::getName(), ossimImageFileWriter::setProperty(), setQuality(), ossimString::toInt32(), and ossimRefPtr< T >::valid().

 {
    if ( property.valid() )
    {
       if(property->getName() == ossimKeywordNames::COMPRESSION_QUALITY_KW)
       {
          ossimString stringValue;
          property->valueToString(stringValue);
          setQuality( stringValue.toInt32() );
       }
       else
       {
          ossimImageFileWriter::setProperty(property);
       }
    }
 }

◆ setQuality()

void ossimJpegWriter::setQuality ( ossim_int32 quality )

virtual

Sets the jpeg compression quality.

Parameters

quality Compression quality. (valid range is 1 to 100)

Definition at line 336 of file ossimJpegWriter.cpp.

References theQuality.

Referenced by loadState(), and setProperty().

 {
    static const char MODULE[] = "ossimJpegWriter::setQuality";
    
    // Range 1 to 100 with 100 being best.
    if (quality > 0 && quality < 101)
    {
       theQuality = quality;
    }
    else
    {
       if (traceDebug())
       {
          ossimNotify(ossimNotifyLevel_DEBUG)
             << MODULE << " DEBUG:"
             << "\nquality out of range:  " << quality
             << "\nquality has been set to default:  " 
             << DEFAULT_JPEG_QUALITY
             << "\nvalid range:  1 to 100 with 100 being best."
             << endl;
       }
       
       theQuality = DEFAULT_JPEG_QUALITY;
    }
 
    if (traceDebug())
    {
       ossimNotify(ossimNotifyLevel_DEBUG)
          << MODULE << " DEBUG:"
          << "\nQuality set to:  "
          << theQuality << endl;
    }
 }

◆ writeFile()

bool ossimJpegWriter::writeFile ( )

privatevirtual

Write out the file.

Returns: true on success, false on error.

Implements ossimImageFileWriter.

Definition at line 58 of file ossimJpegWriter.cpp.

References ossimString::c_str(), ossimConnectableObject::connectMyInputTo(), ossimRefPtr< T >::get(), ossimErrorStatusInterface::getErrorStatus(), ossimConnectableObject::getInput(), ossimImageSource::getNumberOfOutputBands(), ossimImageSourceSequencer::getOutputScalarType(), ossimImageSourceSequencer::initialize(), ossimImageSourceSequencer::isMaster(), isOpen(), open(), ossimErrorCodes::OSSIM_OK, OSSIM_UINT8, ossimNotify(), ossimNotifyLevel_WARN, ossimImageFileWriter::theFilename, ossimImageFileWriter::theInputConnection, and theOutputFilePtr.

 {
    static const char MODULE[] = "ossimJpegWriter::writeFile";
    
    if( !theInputConnection || (getErrorStatus() != ossimErrorCodes::OSSIM_OK))
    {
       return false;
    }
    
    bool bandsDontMatch = false;
    // Get the number of bands.  Must be one or three for this writer.
    ossim_int32 components   = theInputConnection->getNumberOfOutputBands();
    ossim_int32 outputComponents = components;
    if (components != 1 && components != 3)
    {
       bandsDontMatch = true;
       if(components < 3)
       {
          outputComponents = 1;
       }
       else if(components > 3)
       {
          outputComponents = 3;
       }
    }
    
    if(theInputConnection->isMaster())
    {
       if (!isOpen())
       {
          open();
       }
       
       if (!theOutputFilePtr)
       {
          ossimNotify(ossimNotifyLevel_WARN)
             << MODULE << " ERROR:"
             << "\nCannot open:  " << theFilename.c_str()
             << "\nReturning from method." << endl;
          
          return false;
       }
    }
    ossimRefPtr<ossimImageSource> savedInput = 0;
    
    if(theInputConnection->getOutputScalarType() != OSSIM_UINT8)
    {  
       savedInput = new ossimScalarRemapper();
 
       // Connect scalar remapper to sequencer input.
       savedInput->connectMyInputTo(0, theInputConnection->getInput(0));
 
       // Connect sequencer to the scalar remapper.
       theInputConnection->connectMyInputTo(0, savedInput.get());
       theInputConnection->initialize();
    }
    
    if(theInputConnection->isMaster())
    {
       if (traceDebug())
       {
          CLOG << " DEBUG:"
               << "\nOutput Rect:  " << theAreaOfInterest << endl;
       }
       
       ossim_int32 image_height
          = theAreaOfInterest.lr().y - theAreaOfInterest.ul().y + 1;
       ossim_int32 image_width
          = theAreaOfInterest.lr().x - theAreaOfInterest.ul().x + 1;
       ossim_int32 tileWidth    = theInputConnection->getTileWidth();
       ossim_int32 tileHeight   = theInputConnection->getTileHeight();
       
       // Allocate a buffer to hold a row of tiles.
       ossim_uint32 buf_size   = tileHeight*image_width*outputComponents;
       if (traceDebug())
       {
          CLOG << "DEBUG:"
               << "\nbuf_size:  " << buf_size
               << endl;
       }
       
       std::vector<ossim_uint8> buf(buf_size);
       ossimRefPtr<ossimImageData> blankTile =
          new ossimImageData(NULL,
                             OSSIM_UINT8,
                             outputComponents,
                             tileWidth,
                             tileHeight);
       ossimRefPtr<ossimImageData> tempTile;
       std::vector<ossim_uint8> tempBuf;
       if(bandsDontMatch)
       {
          tempTile = new ossimImageData(NULL,
                                        OSSIM_UINT8,
                                        outputComponents,
                                        tileWidth,
                                        tileHeight);
          tempTile->initialize();
       }
       blankTile->initialize();
       //
       // Stuff needed for the jpeg library.
       // Taken from "example.c" file of the "jpeg-6b" package.
       //
       struct jpeg_compress_struct cinfo;
       struct jpeg_error_mgr jerr;
       JSAMPROW row_pointer[1];  // pointer to JSAMPLE row[s]
       
       // physical row width in image buffer
       int row_stride = image_width * outputComponents;
       
       cinfo.err = jpeg_std_error(&jerr);
       jpeg_create_compress(&cinfo);
       jpeg_stdio_dest(&cinfo, theOutputFilePtr);
       cinfo.image_width = image_width;   // image width and height, in pixels
       cinfo.image_height = image_height;
       cinfo.input_components = outputComponents; // # of color components per pixel
       
       // colorspace of input image 
       if (outputComponents == 3)
       {
          cinfo.in_color_space = JCS_RGB;
       }
       else
       {
          cinfo.in_color_space = JCS_GRAYSCALE;
       }
 
       jpeg_set_defaults(&cinfo);
       jpeg_set_quality(&cinfo, theQuality, TRUE); //limit to baseline-JPEG values 
       jpeg_start_compress(&cinfo, TRUE);
       
       theInputConnection->setAreaOfInterest(theAreaOfInterest);
       theInputConnection->setToStartOfSequence();
       ossim_uint32 maxY = theInputConnection->getNumberOfTilesVertical();
       ossim_uint32 maxX = theInputConnection->getNumberOfTilesHorizontal();
       
       double tileCount = 0.0;
       double totalTiles = theInputConnection->getNumberOfTiles();
       //
       // Ok the jpeg stuff should be set.  Loop through and grab a row of tiles
       // and copy to the buffer.  Then write the buffer to the jpeg file.
       // Get the next row... until finished.
       //
       for (ossim_uint32 i=0; ((i<maxY) && (!needsAborting())); ++i)
       {
          ossimIrect buf_rect = theAreaOfInterest;
          buf_rect.set_uly(theAreaOfInterest.ul().y+i*tileHeight);
          buf_rect.set_lry(buf_rect.ul().y + tileHeight - 1);
          
          for (ossim_uint32 j=0; ((j<maxX)&& (!needsAborting())); ++j)
          {
             // Grab the tile.
             const ossimRefPtr<ossimImageData> t =
                theInputConnection->getNextTile();
             
             if ( t.valid() )
             {
                if (t->getDataObjectStatus() != OSSIM_NULL)
                {
                   if(bandsDontMatch)
                   {
                      tempTile->setImageRectangle(t->getImageRectangle());
                      tempTile->setDataObjectStatus(t->getDataObjectStatus());
                      memcpy(tempTile->getBuf(), 
                             t->getBuf(),  
                             t->getSizePerBandInBytes()*outputComponents);
                      tempTile->unloadTile(&buf.front(), buf_rect, OSSIM_BIP);
                   }
                   else
                   {
                      // Copy the tile to the buffer.
                      t->unloadTile(&buf.front(), buf_rect, OSSIM_BIP);
                   }
                }
                else
                {
                   blankTile->setOrigin(t->getOrigin());
                   if(bandsDontMatch)
                   {
                      tempTile->setImageRectangle(blankTile->getImageRectangle());
                      tempTile->setDataObjectStatus(t->getDataObjectStatus());
                      memcpy(tempTile->getBuf(), t->getBuf(),  t->getSizePerBandInBytes()*outputComponents);
                      blankTile->unloadTile(&buf.front(), buf_rect, OSSIM_BIP);
                   }
                   else
                   {
                      // Copy the tile to the buffer.
                      blankTile->unloadTile(&buf.front(), buf_rect, OSSIM_BIP);
                   }
                }
             }
             ++tileCount;
             setPercentComplete((100.0*(tileCount/totalTiles)));
             
          }  // End of loop through tiles in the x direction.
          
          // Copy the buffer to the jpeg file.
          ossim_int32 lines_to_copy =
             min( (buf_rect.lr().y-buf_rect.ul().y+1),
                  (theAreaOfInterest.lr().y-buf_rect.ul().y+1) );
          
          if (traceDebug())
          {
             ossimNotify(ossimNotifyLevel_DEBUG)
                << MODULE
                << "buf_rect:       " << buf_rect
                << "lines_to_copy:  " << lines_to_copy << endl;
          }
          
          if(!needsAborting())
          {
             // Now copy the buffer that should be full to the jpeg file.
             ossim_int32 buf_offset = 0;
             for (ossim_int32 line=0; line<lines_to_copy; ++line)
             {
                row_pointer[0] = &buf[buf_offset];
                jpeg_write_scanlines(&cinfo, row_pointer, 1);
                buf_offset += row_stride;
             }
          }
          
       } // End of loop through tiles in the y direction.
       
       // Free memory.
       if(!needsAborting())
       {
          jpeg_finish_compress(&cinfo);
       }
       
       fclose(theOutputFilePtr);
       theOutputFilePtr = NULL;
       
       jpeg_destroy_compress(&cinfo);
    }
    else
    {
       theInputConnection->slaveProcessTiles();
    }
    
    // Reset the connection if needed.
    if(savedInput.valid())
    {
       ossimConnectableObject* obj = theInputConnection->getInput(0);
       if(obj)
       {
          theInputConnection->connectMyInputTo(0, obj->getInput(0));
       }
       savedInput = 0; 
    }
    return true;
 }

Member Data Documentation

◆ theOutputFilePtr

FILE* ossimJpegWriter::theOutputFilePtr

private

Definition at line 110 of file ossimJpegWriter.h.

Referenced by close(), isOpen(), open(), and writeFile().

◆ theQuality

ossim_int32 ossimJpegWriter::theQuality

private

Definition at line 109 of file ossimJpegWriter.h.

Referenced by getProperty(), saveState(), and setQuality().

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

Public Member Functions

Protected Member Functions

Private Member Functions

Private Attributes

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ ossimJpegWriter()

◆ ~ossimJpegWriter()

Member Function Documentation

◆ close()

◆ getExtension()

◆ getImageTypeList()

◆ getProperty()

◆ getPropertyNames()

◆ hasImageType()

◆ isOpen()

◆ loadState()

◆ open()

◆ saveState()

◆ setProperty()

◆ setQuality()

◆ writeFile()

Member Data Documentation

◆ theOutputFilePtr

◆ theQuality