osgDB::ImagePager Class Reference

Inheritance diagram for osgDB::ImagePager:

Classes
struct	ImageRequest
class	ImageThread
struct	ReadQueue
struct	RequestQueue

Public Member Functions
	ImagePager ()
ImageThread *	getImageThread (unsigned int i)
const ImageThread *	getImageThread (unsigned int i) const
unsigned int	getNumImageThreads () const
void	setPreLoadTime (double preLoadTime)
virtual double	getPreLoadTime () const
virtual osg::Image *	readImageFile (const std::string &fileName)
virtual void	requestImageFile (const std::string &fileName, osg::Object *attachmentPoint, int attachmentIndex, double timeToMergeBy, const osg::FrameStamp *framestamp)
virtual bool	requiresUpdateSceneGraph () const
virtual void	updateSceneGraph (const osg::FrameStamp &frameStamp)
int	cancel ()
Public Member Functions inherited from osg::NodeVisitor::ImageRequestHandler
	ImageRequestHandler ()
Public Member Functions inherited from osg::Referenced
	Referenced ()
	Referenced (bool threadSafeRefUnref)
	Referenced (const Referenced &)
Referenced &	operator= (const Referenced &)
virtual void	setThreadSafeRefUnref (bool threadSafe)
bool	getThreadSafeRefUnref () const
OpenThreads::Mutex *	getRefMutex () const
int	ref () const
int	unref () const
int	unref_nodelete () const
int	referenceCount () const
ObserverSet *	getObserverSet () const
ObserverSet *	getOrCreateObserverSet () const
void	addObserver (Observer *observer) const
void	removeObserver (Observer *observer) const

Protected Types
typedef std::vector < osg::ref_ptr< ImageThread > >	ImageThreads

Protected Member Functions
virtual	~ImagePager ()
Protected Member Functions inherited from osg::NodeVisitor::ImageRequestHandler
virtual	~ImageRequestHandler ()
Protected Member Functions inherited from osg::Referenced
virtual	~Referenced ()
void	signalObserversAndDelete (bool signalDelete, bool doDelete) const
void	deleteUsingDeleteHandler () const

Protected Attributes
OpenThreads::Mutex	_run_mutex
bool	_startThreadCalled
bool	_done
bool	_databasePagerThreadPaused
osg::ref_ptr< ReadQueue >	_readQueue
ImageThreads	_imageThreads
osg::ref_ptr< RequestQueue >	_completedQueue
double	_preLoadTime

Friends
struct	SortFileRequestFunctor

Additional Inherited Members
Static Public Member Functions inherited from osg::Referenced
static OpenThreads::Mutex *	getGlobalReferencedMutex ()
static void	setThreadSafeReferenceCounting (bool enableThreadSafeReferenceCounting)
static bool	getThreadSafeReferenceCounting ()
static void	setDeleteHandler (DeleteHandler *handler)
static DeleteHandler *	getDeleteHandler ()

Member Typedef Documentation

typedef std::vector< osg::ref_ptr<ImageThread> > osgDB::ImagePager::ImageThreads

protected

Constructor & Destructor Documentation

osgDB::ImagePager::ImagePager

(

)

virtual osgDB::ImagePager::~ImagePager ( )

protectedvirtual

Member Function Documentation

int osgDB::ImagePager::cancel

(

)

ImageThread* osgDB::ImagePager::getImageThread ( unsigned int  i )

inline

const ImageThread* osgDB::ImagePager::getImageThread ( unsigned int  i ) const

inline

unsigned int osgDB::ImagePager::getNumImageThreads ( ) const

inline

virtual double osgDB::ImagePager::getPreLoadTime ( ) const

inlinevirtual

Implements osg::NodeVisitor::ImageRequestHandler.

virtual osg::Image* osgDB::ImagePager::readImageFile ( const std::string &  fileName )

virtual

Implements osg::NodeVisitor::ImageRequestHandler.

virtual void osgDB::ImagePager::requestImageFile ( const std::string &  fileName, osg::Object *  attachmentPoint, int  attachmentIndex, double  timeToMergeBy, const osg::FrameStamp *  framestamp  )

virtual

Implements osg::NodeVisitor::ImageRequestHandler.

virtual bool osgDB::ImagePager::requiresUpdateSceneGraph ( ) const

virtual

Return true if there are pending updates to the scene graph that require a call to updateSceneGraph(double).

void osgDB::ImagePager::setPreLoadTime ( double  preLoadTime )

inline

virtual void osgDB::ImagePager::updateSceneGraph ( const osg::FrameStamp &  frameStamp )

virtual

Merge the changes to the scene graph.

Friends And Related Function Documentation

friend struct SortFileRequestFunctor

friend

Member Data Documentation

osg::ref_ptr<RequestQueue> osgDB::ImagePager::_completedQueue

protected

bool osgDB::ImagePager::_databasePagerThreadPaused

protected

bool osgDB::ImagePager::_done

protected

ImageThreads osgDB::ImagePager::_imageThreads

protected

double osgDB::ImagePager::_preLoadTime

protected

osg::ref_ptr<ReadQueue> osgDB::ImagePager::_readQueue

protected

OpenThreads::Mutex osgDB::ImagePager::_run_mutex

protected

bool osgDB::ImagePager::_startThreadCalled

protected

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

• ImagePager