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osgDB::ImagePager Class Reference
Inheritance diagram for osgDB::ImagePager:
osg::NodeVisitor::ImageRequestHandler osg::Referenced

Classes

struct  ImageRequest
class  ImageThread
struct  ReadQueue
struct  RequestQueue

Public Member Functions

 ImagePager ()
ImageThreadgetImageThread (unsigned int i)
const ImageThreadgetImageThread (unsigned int i) const
unsigned int getNumImageThreads () const
void setPreLoadTime (double preLoadTime)
virtual double getPreLoadTime () const
virtual osg::ImagereadImageFile (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 &)
Referencedoperator= (const Referenced &)
virtual void setThreadSafeRefUnref (bool threadSafe)
bool getThreadSafeRefUnref () const
OpenThreads::MutexgetRefMutex () const
int ref () const
int unref () const
int unref_nodelete () const
int referenceCount () const
ObserverSetgetObserverSet () const
ObserverSetgetOrCreateObserverSet () 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::MutexgetGlobalReferencedMutex ()
static void setThreadSafeReferenceCounting (bool enableThreadSafeReferenceCounting)
static bool getThreadSafeReferenceCounting ()
static void setDeleteHandler (DeleteHandler *handler)
static DeleteHandlergetDeleteHandler ()

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

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