OpenGL subclass that draws the image to the screen. More...

#include <vtkOpenGLRayCastImageDisplayHelper.h>

Inheritance diagram for vtkOpenGLRayCastImageDisplayHelper:

Collaboration diagram for vtkOpenGLRayCastImageDisplayHelper:

Public Types
typedef vtkRayCastImageDisplayHelper	Superclass

Public Types inherited from vtkRayCastImageDisplayHelper
typedef vtkObject	Superclass

Public Member Functions
virtual vtkTypeBool	IsA (const char *type)
	Return 1 if this class is the same type of (or a subclass of) the named class.

vtkOpenGLRayCastImageDisplayHelper *	NewInstance () const

void	PrintSelf (ostream &os, vtkIndent indent) override
	Methods invoked by print to print information about the object including superclasses.

void	RenderTexture (vtkVolume vol, vtkRenderer ren, int imageMemorySize[2], int imageViewportSize[2], int imageInUseSize[2], int imageOrigin[2], float requestedDepth, unsigned char *image) override

void	RenderTexture (vtkVolume vol, vtkRenderer ren, int imageMemorySize[2], int imageViewportSize[2], int imageInUseSize[2], int imageOrigin[2], float requestedDepth, unsigned short *image) override

void	RenderTexture (vtkVolume vol, vtkRenderer ren, vtkFixedPointRayCastImage *image, float requestedDepth) override

void	ReleaseGraphicsResources (vtkWindow *win) override
	Derived class should implement this if needed.

Public Member Functions inherited from vtkRayCastImageDisplayHelper
virtual vtkTypeBool	IsA (const char *type)
	Return 1 if this class is the same type of (or a subclass of) the named class.

vtkRayCastImageDisplayHelper *	NewInstance () const

void	PrintSelf (ostream &os, vtkIndent indent) override
	Methods invoked by print to print information about the object including superclasses.

virtual void	RenderTexture (vtkVolume vol, vtkRenderer ren, int imageMemorySize[2], int imageViewportSize[2], int imageInUseSize[2], int imageOrigin[2], float requestedDepth, unsigned char *image)=0

virtual void	RenderTexture (vtkVolume vol, vtkRenderer ren, int imageMemorySize[2], int imageViewportSize[2], int imageInUseSize[2], int imageOrigin[2], float requestedDepth, unsigned short *image)=0

virtual void	RenderTexture (vtkVolume vol, vtkRenderer ren, vtkFixedPointRayCastImage *image, float requestedDepth)=0

virtual void	SetPreMultipliedColors (vtkTypeBool)

virtual vtkTypeBool	GetPreMultipliedColors ()

virtual void	PreMultipliedColorsOn ()

virtual void	PreMultipliedColorsOff ()

virtual void	ReleaseGraphicsResources (vtkWindow *)
	Derived class should implement this if needed.

virtual void	SetPixelScale (float)
	Set / Get the pixel scale to be applied to the image before display.

virtual float	GetPixelScale ()
	Set / Get the pixel scale to be applied to the image before display.

Public Member Functions inherited from vtkObject
	vtkBaseTypeMacro (vtkObject, vtkObjectBase)

virtual void	DebugOn ()
	Turn debugging output on.

virtual void	DebugOff ()
	Turn debugging output off.

bool	GetDebug ()
	Get the value of the debug flag.

void	SetDebug (bool debugFlag)
	Set the value of the debug flag.

virtual void	Modified ()
	Update the modification time for this object.

virtual vtkMTimeType	GetMTime ()
	Return this object's modified time.

void	PrintSelf (ostream &os, vtkIndent indent) override
	Methods invoked by print to print information about the object including superclasses.

void	RemoveObserver (unsigned long tag)

void	RemoveObservers (unsigned long event)

void	RemoveObservers (const char *event)

void	RemoveAllObservers ()

vtkTypeBool	HasObserver (unsigned long event)

vtkTypeBool	HasObserver (const char *event)

int	InvokeEvent (unsigned long event)

int	InvokeEvent (const char *event)

unsigned long	AddObserver (unsigned long event, vtkCommand *, float priority=0.0f)
	Allow people to add/remove/invoke observers (callbacks) to any VTK object.

unsigned long	AddObserver (const char event, vtkCommand , float priority=0.0f)
	Allow people to add/remove/invoke observers (callbacks) to any VTK object.

vtkCommand *	GetCommand (unsigned long tag)
	Allow people to add/remove/invoke observers (callbacks) to any VTK object.

void	RemoveObserver (vtkCommand *)
	Allow people to add/remove/invoke observers (callbacks) to any VTK object.

void	RemoveObservers (unsigned long event, vtkCommand *)
	Allow people to add/remove/invoke observers (callbacks) to any VTK object.

void	RemoveObservers (const char event, vtkCommand )
	Allow people to add/remove/invoke observers (callbacks) to any VTK object.

vtkTypeBool	HasObserver (unsigned long event, vtkCommand *)
	Allow people to add/remove/invoke observers (callbacks) to any VTK object.

vtkTypeBool	HasObserver (const char event, vtkCommand )
	Allow people to add/remove/invoke observers (callbacks) to any VTK object.

template<class U , class T >
unsigned long	AddObserver (unsigned long event, U observer, void(T::*callback)(), float priority=0.0f)
	Overloads to AddObserver that allow developers to add class member functions as callbacks for events.

template<class U , class T >
unsigned long	AddObserver (unsigned long event, U observer, void(T::callback)(vtkObject , unsigned long, void *), float priority=0.0f)
	Overloads to AddObserver that allow developers to add class member functions as callbacks for events.

template<class U , class T >
unsigned long	AddObserver (unsigned long event, U observer, bool(T::callback)(vtkObject , unsigned long, void *), float priority=0.0f)
	Allow user to set the AbortFlagOn() with the return value of the callback method.

int	InvokeEvent (unsigned long event, void *callData)
	This method invokes an event and return whether the event was aborted or not.

int	InvokeEvent (const char event, void callData)
	This method invokes an event and return whether the event was aborted or not.

Public Member Functions inherited from vtkObjectBase
const char *	GetClassName () const
	Return the class name as a string.

virtual vtkTypeBool	IsA (const char *name)
	Return 1 if this class is the same type of (or a subclass of) the named class.

virtual vtkIdType	GetNumberOfGenerationsFromBase (const char *name)
	Given the name of a base class of this class type, return the distance of inheritance between this class type and the named class (how many generations of inheritance are there between this class and the named class).

virtual void	Delete ()
	Delete a VTK object.

virtual void	FastDelete ()
	Delete a reference to this object.

void	InitializeObjectBase ()

void	Print (ostream &os)
	Print an object to an ostream.

virtual void	Register (vtkObjectBase *o)
	Increase the reference count (mark as used by another object).

virtual void	UnRegister (vtkObjectBase *o)
	Decrease the reference count (release by another object).

int	GetReferenceCount ()
	Return the current reference count of this object.

void	SetReferenceCount (int)
	Sets the reference count.

bool	GetIsInMemkind () const
	A local state flag that remembers whether this object lives in the normal or extended memory space.

virtual void	PrintHeader (ostream &os, vtkIndent indent)
	Methods invoked by print to print information about the object including superclasses.

virtual void	PrintTrailer (ostream &os, vtkIndent indent)
	Methods invoked by print to print information about the object including superclasses.

Static Public Member Functions
static vtkOpenGLRayCastImageDisplayHelper *	New ()

static vtkTypeBool	IsTypeOf (const char *type)

static vtkOpenGLRayCastImageDisplayHelper *	SafeDownCast (vtkObjectBase *o)

Static Public Member Functions inherited from vtkRayCastImageDisplayHelper
static vtkRayCastImageDisplayHelper *	New ()

static vtkTypeBool	IsTypeOf (const char *type)

static vtkRayCastImageDisplayHelper *	SafeDownCast (vtkObjectBase *o)

Static Public Member Functions inherited from vtkObject
static vtkObject *	New ()
	Create an object with Debug turned off, modified time initialized to zero, and reference counting on.

static void	BreakOnError ()
	This method is called when vtkErrorMacro executes.

static void	SetGlobalWarningDisplay (int val)
	This is a global flag that controls whether any debug, warning or error messages are displayed.

static void	GlobalWarningDisplayOn ()
	This is a global flag that controls whether any debug, warning or error messages are displayed.

static void	GlobalWarningDisplayOff ()
	This is a global flag that controls whether any debug, warning or error messages are displayed.

static int	GetGlobalWarningDisplay ()
	This is a global flag that controls whether any debug, warning or error messages are displayed.

Static Public Member Functions inherited from vtkObjectBase
static vtkTypeBool	IsTypeOf (const char *name)
	Return 1 if this class type is the same type of (or a subclass of) the named class.

static vtkIdType	GetNumberOfGenerationsFromBaseType (const char *name)
	Given a the name of a base class of this class type, return the distance of inheritance between this class type and the named class (how many generations of inheritance are there between this class and the named class).

static vtkObjectBase *	New ()
	Create an object with Debug turned off, modified time initialized to zero, and reference counting on.

static void	SetMemkindDirectory (const char *directoryname)
	The name of a directory, ideally mounted -o dax, to memory map an extended memory space within.

static bool	GetUsingMemkind ()
	A global state flag that controls whether vtkObjects are constructed in the usual way (the default) or within the extended memory space.

Protected Member Functions
virtual vtkObjectBase *	NewInstanceInternal () const

	vtkOpenGLRayCastImageDisplayHelper ()

	~vtkOpenGLRayCastImageDisplayHelper () override

void	RenderTextureInternal (vtkVolume vol, vtkRenderer ren, int imageMemorySize[2], int imageViewportSize[2], int imageInUseSize[2], int imageOrigin[2], float requestedDepth, int imageScalarType, void *image)

Protected Member Functions inherited from vtkRayCastImageDisplayHelper
virtual vtkObjectBase *	NewInstanceInternal () const

	vtkRayCastImageDisplayHelper ()

	~vtkRayCastImageDisplayHelper () override

Protected Member Functions inherited from vtkObject
	vtkObject ()

	~vtkObject () override

void	RegisterInternal (vtkObjectBase *, vtkTypeBool check) override

void	UnRegisterInternal (vtkObjectBase *, vtkTypeBool check) override

void	InternalGrabFocus (vtkCommand mouseEvents, vtkCommand keypressEvents=nullptr)
	These methods allow a command to exclusively grab all events.

void	InternalReleaseFocus ()
	These methods allow a command to exclusively grab all events.

Protected Member Functions inherited from vtkObjectBase
	vtkObjectBase ()

virtual	~vtkObjectBase ()

virtual void	RegisterInternal (vtkObjectBase *, vtkTypeBool check)

virtual void	UnRegisterInternal (vtkObjectBase *, vtkTypeBool check)

virtual void	ReportReferences (vtkGarbageCollector *)

	vtkObjectBase (const vtkObjectBase &)

void	operator= (const vtkObjectBase &)

Protected Attributes
vtkTextureObject *	TextureObject

vtkOpenGLHelper *	ShaderProgram

Protected Attributes inherited from vtkRayCastImageDisplayHelper
vtkTypeBool	PreMultipliedColors
	Have the colors already been multiplied by alpha?

float	PixelScale

Protected Attributes inherited from vtkObject
bool	Debug

vtkTimeStamp	MTime

vtkSubjectHelper *	SubjectHelper

Protected Attributes inherited from vtkObjectBase
std::atomic< int32_t >	ReferenceCount

vtkWeakPointerBase **	WeakPointers

Additional Inherited Members
Static Protected Member Functions inherited from vtkObjectBase
static vtkMallocingFunction	GetCurrentMallocFunction ()

static vtkReallocingFunction	GetCurrentReallocFunction ()

static vtkFreeingFunction	GetCurrentFreeFunction ()

static vtkFreeingFunction	GetAlternateFreeFunction ()

Detailed Description

OpenGL subclass that draws the image to the screen.

This is the concrete implementation of a ray cast image display helper - a helper class responsible for drawing the image to the screen.

See also: vtkRayCastImageDisplayHelper

Definition at line 40 of file vtkOpenGLRayCastImageDisplayHelper.h.

Member Typedef Documentation

◆ Superclass

typedef vtkRayCastImageDisplayHelper vtkOpenGLRayCastImageDisplayHelper::Superclass

Definition at line 45 of file vtkOpenGLRayCastImageDisplayHelper.h.

Constructor & Destructor Documentation

◆ vtkOpenGLRayCastImageDisplayHelper()

vtkOpenGLRayCastImageDisplayHelper::vtkOpenGLRayCastImageDisplayHelper ( )

protected

◆ ~vtkOpenGLRayCastImageDisplayHelper()

vtkOpenGLRayCastImageDisplayHelper::~vtkOpenGLRayCastImageDisplayHelper ( )

overrideprotected

Member Function Documentation

◆ New()

static vtkOpenGLRayCastImageDisplayHelper * vtkOpenGLRayCastImageDisplayHelper::New ( )

static

◆ IsTypeOf()

static vtkTypeBool vtkOpenGLRayCastImageDisplayHelper::IsTypeOf ( const char * type )

static

◆ IsA()

virtual vtkTypeBool vtkOpenGLRayCastImageDisplayHelper::IsA ( const char * name )

virtual

Return 1 if this class is the same type of (or a subclass of) the named class.

Returns 0 otherwise. This method works in combination with vtkTypeMacro found in vtkSetGet.h.

Reimplemented from vtkRayCastImageDisplayHelper.

◆ SafeDownCast()

static vtkOpenGLRayCastImageDisplayHelper * vtkOpenGLRayCastImageDisplayHelper::SafeDownCast ( vtkObjectBase * o )

static

◆ NewInstanceInternal()

virtual vtkObjectBase * vtkOpenGLRayCastImageDisplayHelper::NewInstanceInternal ( ) const

protectedvirtual

Reimplemented from vtkRayCastImageDisplayHelper.

◆ NewInstance()

vtkOpenGLRayCastImageDisplayHelper * vtkOpenGLRayCastImageDisplayHelper::NewInstance ( ) const

◆ PrintSelf()

void vtkOpenGLRayCastImageDisplayHelper::PrintSelf	(	ostream &	os,
		vtkIndent	indent
	)

overridevirtual

Methods invoked by print to print information about the object including superclasses.

Typically not called by the user (use Print() instead) but used in the hierarchical print process to combine the output of several classes.

Reimplemented from vtkRayCastImageDisplayHelper.

◆ RenderTexture() [1/3]

void vtkOpenGLRayCastImageDisplayHelper::RenderTexture	(	vtkVolume *	vol,
		vtkRenderer *	ren,
		int	imageMemorySize[2],
		int	imageViewportSize[2],
		int	imageInUseSize[2],
		int	imageOrigin[2],
		float	requestedDepth,
		unsigned char *	image
	)

overridevirtual

Implements vtkRayCastImageDisplayHelper.

◆ RenderTexture() [2/3]

void vtkOpenGLRayCastImageDisplayHelper::RenderTexture	(	vtkVolume *	vol,
		vtkRenderer *	ren,
		int	imageMemorySize[2],
		int	imageViewportSize[2],
		int	imageInUseSize[2],
		int	imageOrigin[2],
		float	requestedDepth,
		unsigned short *	image
	)

overridevirtual

Implements vtkRayCastImageDisplayHelper.

◆ RenderTexture() [3/3]

void vtkOpenGLRayCastImageDisplayHelper::RenderTexture	(	vtkVolume *	vol,
		vtkRenderer *	ren,
		vtkFixedPointRayCastImage *	image,
		float	requestedDepth
	)

overridevirtual

Implements vtkRayCastImageDisplayHelper.

◆ ReleaseGraphicsResources()

void vtkOpenGLRayCastImageDisplayHelper::ReleaseGraphicsResources ( vtkWindow * )

overridevirtual

Derived class should implement this if needed.

Reimplemented from vtkRayCastImageDisplayHelper.

◆ RenderTextureInternal()

void vtkOpenGLRayCastImageDisplayHelper::RenderTextureInternal	(	vtkVolume *	vol,
		vtkRenderer *	ren,
		int	imageMemorySize[2],
		int	imageViewportSize[2],
		int	imageInUseSize[2],
		int	imageOrigin[2],
		float	requestedDepth,
		int	imageScalarType,
		void *	image
	)

protected

Member Data Documentation

◆ TextureObject

vtkTextureObject* vtkOpenGLRayCastImageDisplayHelper::TextureObject

protected

Definition at line 70 of file vtkOpenGLRayCastImageDisplayHelper.h.

◆ ShaderProgram

vtkOpenGLHelper* vtkOpenGLRayCastImageDisplayHelper::ShaderProgram

protected

Definition at line 71 of file vtkOpenGLRayCastImageDisplayHelper.h.

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

Rendering/VolumeOpenGL2/vtkOpenGLRayCastImageDisplayHelper.h

Public Types

Public Member Functions

Static Public Member Functions

Protected Member Functions

Protected Attributes

Additional Inherited Members

Detailed Description

Member Typedef Documentation

◆ Superclass

Constructor & Destructor Documentation

◆ vtkOpenGLRayCastImageDisplayHelper()

◆ ~vtkOpenGLRayCastImageDisplayHelper()

Member Function Documentation

◆ New()

◆ IsTypeOf()

◆ IsA()

◆ SafeDownCast()

◆ NewInstanceInternal()

◆ NewInstance()

◆ PrintSelf()

◆ RenderTexture() [1/3]

◆ RenderTexture() [2/3]

◆ RenderTexture() [3/3]

◆ ReleaseGraphicsResources()

◆ RenderTextureInternal()

Member Data Documentation

◆ TextureObject

◆ ShaderProgram