openscenegraph
Public Member Functions | Protected Member Functions | Protected Attributes | List of all members
osgVolume::ImageLayer Class Reference
Inheritance diagram for osgVolume::ImageLayer:
osgVolume::Layer osg::Object osg::Referenced

Public Member Functions

 ImageLayer (osg::Image *image=0)
 ImageLayer (const ImageLayer &imageLayer, const osg::CopyOp &copyop=osg::CopyOp::SHALLOW_COPY)
 META_Object (osgVolume, ImageLayer)
void setFileName (const std::string &filename)
virtual const std::string & getFileName () const
void setImage (osg::Image *image)
virtual osg::ImagegetImage ()
virtual const osg::ImagegetImage () const
void setTexelOffset (const osg::Vec4 &offset)
const osg::Vec4getTexelOffset () const
void setTexelScale (const osg::Vec4 &scale)
const osg::Vec4getTexelScale () const
bool computeMinMax (osg::Vec4 &min, osg::Vec4 &max)
void offsetAndScaleImage (const osg::Vec4 &offset, const osg::Vec4 &scale)
void rescaleToZeroToOneRange ()
void translateMinToZero ()
virtual bool requiresUpdateTraversal () const
virtual void update (osg::NodeVisitor &)
virtual void dirty ()
virtual void setModifiedCount (unsigned int value)
virtual unsigned int getModifiedCount () const
- Public Member Functions inherited from osgVolume::Layer
 Layer ()
 Layer (const Layer &, const osg::CopyOp &copyop=osg::CopyOp::SHALLOW_COPY)
 META_Object (osgVolume, Layer)
void setLocator (Locator *locator)
LocatorgetLocator ()
const LocatorgetLocator () const
void setDefaultValue (const osg::Vec4 &value)
const osg::Vec4getDefaultValue () const
void setMinFilter (osg::Texture::FilterMode filter)
osg::Texture::FilterMode getMinFilter () const
void setMagFilter (osg::Texture::FilterMode filter)
osg::Texture::FilterMode getMagFilter () const
void setProperty (Property *property)
PropertygetProperty ()
const PropertygetProperty () const
void addProperty (Property *property)
virtual osg::BoundingSphere computeBound () const
- Public Member Functions inherited from osg::Object
 Object ()
 Object (bool threadSafeRefUnref)
 Object (const Object &, const CopyOp &copyop=CopyOp::SHALLOW_COPY)
virtual ObjectcloneType () const =0
virtual Objectclone (const CopyOp &) const =0
virtual bool isSameKindAs (const Object *) const
virtual const char * libraryName () const =0
virtual const char * className () const =0
virtual void setThreadSafeRefUnref (bool threadSafe)
virtual void setName (const std::string &name)
void setName (const char *name)
const std::string & getName () const
void setDataVariance (DataVariance dv)
DataVariance getDataVariance () const
virtual void computeDataVariance ()
void setUserDataContainer (osg::UserDataContainer *udc)
osg::UserDataContainergetUserDataContainer ()
const osg::UserDataContainergetUserDataContainer () const
osg::UserDataContainergetOrCreateUserDataContainer ()
virtual void setUserData (Referenced *obj)
virtual ReferencedgetUserData ()
virtual const ReferencedgetUserData () const
template<typename T >
bool getUserValue (const std::string &name, T &value) const
template<typename T >
void setUserValue (const std::string &name, const T &value)
virtual void resizeGLObjectBuffers (unsigned int)
virtual void releaseGLObjects (osg::State *=0) const
- Public Member Functions inherited from osg::Referenced
 Referenced ()
 Referenced (bool threadSafeRefUnref)
 Referenced (const Referenced &)
Referencedoperator= (const Referenced &)
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 Member Functions

virtual ~ImageLayer ()
- Protected Member Functions inherited from osgVolume::Layer
virtual ~Layer ()
- Protected Member Functions inherited from osg::Object
virtual ~Object ()
- Protected Member Functions inherited from osg::Referenced
virtual ~Referenced ()
void signalObserversAndDelete (bool signalDelete, bool doDelete) const
void deleteUsingDeleteHandler () const

Protected Attributes

osg::Vec4 _texelOffset
osg::Vec4 _texelScale
osg::ref_ptr< osg::Image_image
- Protected Attributes inherited from osgVolume::Layer
std::string _filename
osg::ref_ptr< Locator_locator
osg::Vec4 _defaultValue
osg::Texture::FilterMode _minFilter
osg::Texture::FilterMode _magFilter
osg::ref_ptr< Property_property
- Protected Attributes inherited from osg::Object
std::string _name
DataVariance _dataVariance
osg::UserDataContainer_userDataContainer
- Protected Attributes inherited from osg::Referenced
OpenThreads::AtomicPtr _observerSet
OpenThreads::Atomic _refCount

Additional Inherited Members

- Public Types inherited from osg::Object
enum  DataVariance { DYNAMIC, STATIC, UNSPECIFIED }
- 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 ()

Constructor & Destructor Documentation

osgVolume::ImageLayer::ImageLayer ( osg::Image image = 0)
osgVolume::ImageLayer::ImageLayer ( const ImageLayer imageLayer,
const osg::CopyOp copyop = osg::CopyOp::SHALLOW_COPY 
)

Copy constructor using CopyOp to manage deep vs shallow copy.

virtual osgVolume::ImageLayer::~ImageLayer ( )
inlineprotectedvirtual

Member Function Documentation

bool osgVolume::ImageLayer::computeMinMax ( osg::Vec4 min,
osg::Vec4 max 
)

Compute the min and max pixel colors.

virtual void osgVolume::ImageLayer::dirty ( )
virtual

increment the modified count."

Reimplemented from osgVolume::Layer.

virtual const std::string& osgVolume::ImageLayer::getFileName ( ) const
inlinevirtual

Get the file name of the layer.

Reimplemented from osgVolume::Layer.

virtual osg::Image* osgVolume::ImageLayer::getImage ( )
inlinevirtual

Return image associated with layer.

Reimplemented from osgVolume::Layer.

virtual const osg::Image* osgVolume::ImageLayer::getImage ( ) const
inlinevirtual

Return const image associated with layer.

Reimplemented from osgVolume::Layer.

virtual unsigned int osgVolume::ImageLayer::getModifiedCount ( ) const
virtual

Get modified count value.

Reimplemented from osgVolume::Layer.

const osg::Vec4& osgVolume::ImageLayer::getTexelOffset ( ) const
inline
const osg::Vec4& osgVolume::ImageLayer::getTexelScale ( ) const
inline
osgVolume::ImageLayer::META_Object ( osgVolume  ,
ImageLayer   
)
void osgVolume::ImageLayer::offsetAndScaleImage ( const osg::Vec4 offset,
const osg::Vec4 scale 
)

Apply color transformation to pixels using c' = offset + c * scale .

virtual bool osgVolume::ImageLayer::requiresUpdateTraversal ( ) const
virtual

Specify whether ImageLayer requires update traversal.

Reimplemented from osgVolume::Layer.

void osgVolume::ImageLayer::rescaleToZeroToOneRange ( )

Compute the min max range of the image, and then remap this to a 0 to 1 range.

void osgVolume::ImageLayer::setFileName ( const std::string &  filename)
inlinevirtual

Set the file name of the data associated with this layer.

Reimplemented from osgVolume::Layer.

void osgVolume::ImageLayer::setImage ( osg::Image image)
virtual void osgVolume::ImageLayer::setModifiedCount ( unsigned int  )
virtual

Set the modified count value.

Reimplemented from osgVolume::Layer.

void osgVolume::ImageLayer::setTexelOffset ( const osg::Vec4 offset)
inline
void osgVolume::ImageLayer::setTexelScale ( const osg::Vec4 scale)
inline
void osgVolume::ImageLayer::translateMinToZero ( )

Compute the min color component of the image and then translate and pixels by this offset to make the new min component 0.

virtual void osgVolume::ImageLayer::update ( osg::NodeVisitor )
virtual

Call update on the Layer.

Reimplemented from osgVolume::Layer.

Member Data Documentation

osg::ref_ptr<osg::Image> osgVolume::ImageLayer::_image
protected
osg::Vec4 osgVolume::ImageLayer::_texelOffset
protected
osg::Vec4 osgVolume::ImageLayer::_texelScale
protected

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