osgDB::ImagePager Class Reference

Inheritance diagram for osgDB::ImagePager:

[legend]

List of all members.

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
	Return true if there are pending updates to the scene graph that require a call to updateSceneGraph(double).
virtual void	updateSceneGraph (const osg::FrameStamp &frameStamp)
	Merge the changes to the scene graph.
int	cancel ()
Protected Types
typedef std::vector < osg::ref_ptr< ImageThread > >	ImageThreads
Protected Member Functions
virtual	~ImagePager ()
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

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Member Typedef Documentation

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

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Constructor & Destructor Documentation

osgDB::ImagePager::ImagePager

(

)

virtual osgDB::ImagePager::~ImagePager

(

)

[protected, virtual]

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Member Function Documentation

int osgDB::ImagePager::cancel

(

)

const ImageThread* osgDB::ImagePager::getImageThread

(

unsigned int

i

)

const [inline]

ImageThread* osgDB::ImagePager::getImageThread

(

unsigned int

i

)

[inline]

unsigned int osgDB::ImagePager::getNumImageThreads

(

)

const [inline]

virtual double osgDB::ImagePager::getPreLoadTime

(

)

const [inline, virtual]

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.

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Friends And Related Function Documentation

friend struct SortFileRequestFunctor [friend]

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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:

• osgDB/ImagePager