vtkQWidgetTexture Class Reference

Allows a QWidget to be used as a texture in VTK with OpenGL. More...

#include <vtkQWidgetTexture.h>

Inheritance diagram for vtkQWidgetTexture:

Collaboration diagram for vtkQWidgetTexture:

Public Types
typedef vtkTextureObject	Superclass
Public Types inherited from vtkTextureObject
enum	{   Lequal = 0 , Gequal , Less , Greater ,   Equal , NotEqual , AlwaysTrue , Never ,   NumberOfDepthTextureCompareFunctions }
enum	{   ClampToEdge = 0 , Repeat , MirroredRepeat , ClampToBorder ,   NumberOfWrapModes }
enum	{   Nearest = 0 , Linear , NearestMipmapNearest , NearestMipmapLinear ,   LinearMipmapNearest , LinearMipmapLinear , NumberOfMinificationModes }
enum	{   Native = 0 , Fixed8 , Fixed16 , Fixed24 ,   Fixed32 , Float16 , Float32 , NumberOfDepthFormats }
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.
vtkQWidgetTexture *	NewInstance () const
void	PrintSelf (ostream &os, vtkIndent indent) override
	Methods invoked by print to print information about the object including superclasses.
QGraphicsScene *	GetScene ()
	get the QScene used for rendering, this is where events will be forwarded to.
void	Activate () override
	Activate and Bind the texture.
void	ReleaseGraphicsResources (vtkWindow *win) override
	Free resources.
void	SetWidget (QWidget *w)
	Set/Get the QWidget that this TextureObject will render/use.
QWidget *	GetWidget ()
	Set/Get the QWidget that this TextureObject will render/use.
Public Member Functions inherited from vtkTextureObject
virtual vtkTypeBool	IsA (const char *type)
	Return 1 if this class is the same type of (or a subclass of) the named class.
vtkTextureObject *	NewInstance () const
void	PrintSelf (ostream &os, vtkIndent indent) override
	Methods invoked by print to print information about the object including superclasses.
virtual int	GetNumberOfDimensions ()
virtual void	SetSamples (unsigned int)
int	GetTextureUnit ()
	Return the texture unit used for this texture.
virtual void	Activate ()
	Activate and Bind the texture.
void	Deactivate ()
	Deactivate and UnBind the texture.
virtual void	ReleaseGraphicsResources (vtkWindow *win)
	Deactivate and UnBind the texture.
bool	IsBound ()
	Tells if the texture object is bound to the active texture image unit.
void	SendParameters ()
	Send all the texture object parameters to the hardware if not done yet.
bool	Create2DFromRaw (unsigned int width, unsigned int height, int numComps, int dataType, void *data)
	Create a 2D texture from client memory numComps must be in [1-4].
bool	CreateDepthFromRaw (unsigned int width, unsigned int height, int internalFormat, int rawType, void *raw)
	Create a 2D depth texture using a raw pointer.
bool	CreateTextureBuffer (unsigned int numValues, int numComps, int dataType, vtkOpenGLBufferObject *bo)
	Create a texture buffer basically a 1D texture that can be very large for passing data into the fragment shader.
bool	EmulateTextureBufferWith2DTextures (unsigned int numValues, int numComps, int dataType, vtkOpenGLBufferObject *bo)
	Emulates a texture buffer with 2D texture.
bool	CreateCubeFromRaw (unsigned int width, unsigned int height, int numComps, int dataType, void *data[6])
	Create a cube texture from 6 buffers from client memory.
bool	Create1D (int numComps, vtkPixelBufferObject *pbo, bool shaderSupportsTextureInt)
	Create a 1D texture using the PBO.
bool	Create1DFromRaw (unsigned int width, int numComps, int dataType, void *data)
	Create 1D texture from client memory.
bool	Create2D (unsigned int width, unsigned int height, int numComps, vtkPixelBufferObject *pbo, bool shaderSupportsTextureInt)
	Create a 2D texture using the PBO.
bool	Create3D (unsigned int width, unsigned int height, unsigned int depth, int numComps, vtkPixelBufferObject *pbo, bool shaderSupportsTextureInt)
	Create a 3D texture using the PBO.
bool	Create3DFromRaw (unsigned int width, unsigned int height, unsigned int depth, int numComps, int dataType, void *data)
	Create a 3D texture from client memory numComps must be in [1-4].
bool	AllocateProxyTexture3D (unsigned int width, unsigned int height, unsigned int depth, int numComps, int dataType)
	Create a 3D texture using the GL_PROXY_TEXTURE_3D target.
vtkPixelBufferObject *	Download ()
	This is used to download raw data from the texture into a pixel buffer.
vtkPixelBufferObject *	Download (unsigned int target, unsigned int level)
bool	CreateDepth (unsigned int width, unsigned int height, int internalFormat, vtkPixelBufferObject *pbo)
	Create a 2D depth texture using a PBO.
bool	AllocateDepth (unsigned int width, unsigned int height, int internalFormat)
	Create a 2D depth texture but does not initialize its values.
bool	AllocateDepthStencil (unsigned int width, unsigned int height)
	Create a 2D septh stencil texture but does not initialize its values.
bool	Allocate1D (unsigned int width, int numComps, int vtkType)
	Create a 1D color texture but does not initialize its values.
bool	Allocate2D (unsigned int width, unsigned int height, int numComps, int vtkType, int level=0)
	Create a 2D color texture but does not initialize its values.
bool	Allocate3D (unsigned int width, unsigned int height, unsigned int depth, int numComps, int vtkType)
	Create a 3D color texture but does not initialize its values.
int	GetVTKDataType ()
	Get the data type for the texture as a vtk type int i.e.
void	ResetFormatAndType ()
	Reset format, internal format, and type of the texture.
unsigned int	GetMinificationFilterMode (int vtktype)
unsigned int	GetMagnificationFilterMode (int vtktype)
unsigned int	GetWrapSMode (int vtktype)
unsigned int	GetWrapTMode (int vtktype)
unsigned int	GetWrapRMode (int vtktype)
void	SetLinearMagnification (bool val)
	Tells if the magnification mode is linear (true) or nearest (false).
bool	GetLinearMagnification ()
void	CopyFromFrameBuffer (int srcXmin, int srcYmin, int dstXmin, int dstYmin, int width, int height)
	Copy a sub-part of a logical buffer of the framebuffer (color or depth) to the texture object.
void	GetShiftAndScale (float &shift, float &scale)
	Get the shift and scale required in the shader to return the texture values to their original range.
void	Resize (unsigned int width, unsigned int height)
void	AssignToExistingTexture (unsigned int handle, unsigned int target)
	Assign the TextureObject to a externally provided Handle and Target.
void	SetContext (vtkOpenGLRenderWindow *)
	Get/Set the context.
vtkOpenGLRenderWindow *	GetContext ()
	Get/Set the context.
virtual unsigned int	GetWidth ()
	Get the texture dimensions.
virtual unsigned int	GetHeight ()
	Get the texture dimensions.
virtual unsigned int	GetDepth ()
	Get the texture dimensions.
virtual unsigned int	GetSamples ()
	Get the texture dimensions.
virtual int	GetComponents ()
	Get the texture dimensions.
unsigned int	GetTuples ()
	Get the texture dimensions.
virtual unsigned int	GetTarget ()
	Returns OpenGL texture target to which the texture is/can be bound.
virtual unsigned int	GetHandle ()
	Returns the OpenGL handle.
void	Bind ()
	Bind the texture, must have been created using Create().
virtual void	SetAutoParameters (int)
	Get/Set AutoParameters flag.
virtual int	GetAutoParameters ()
	Get/Set AutoParameters flag.
virtual void	AutoParametersOn ()
	Get/Set AutoParameters flag.
virtual void	AutoParametersOff ()
	Get/Set AutoParameters flag.
bool	Create2D (unsigned int width, unsigned int height, int numComps, int vtktype, bool)
	Create texture without uploading any data.
bool	Create3D (unsigned int width, unsigned int height, unsigned int depth, int numComps, int vtktype, bool)
	Create texture without uploading any data.
int	GetDataType (int vtk_scalar_type)
	Get the data type for the texture as GLenum type.
void	SetDataType (unsigned int glType)
	Get the data type for the texture as GLenum type.
int	GetDefaultDataType (int vtk_scalar_type)
	Get the data type for the texture as GLenum type.
unsigned int	GetInternalFormat (int vtktype, int numComps, bool shaderSupportsTextureInt)
	Get/Set internal format (OpenGL internal format) that should be used.
void	SetInternalFormat (unsigned int glInternalFormat)
	Get/Set internal format (OpenGL internal format) that should be used.
unsigned int	GetDefaultInternalFormat (int vtktype, int numComps, bool shaderSupportsTextureInt)
	Get/Set internal format (OpenGL internal format) that should be used.
unsigned int	GetFormat (int vtktype, int numComps, bool shaderSupportsTextureInt)
	Get/Set format (OpenGL internal format) that should be used.
void	SetFormat (unsigned int glFormat)
	Get/Set format (OpenGL internal format) that should be used.
unsigned int	GetDefaultFormat (int vtktype, int numComps, bool shaderSupportsTextureInt)
	Get/Set format (OpenGL internal format) that should be used.
virtual void	SetRequireDepthBufferFloat (bool)
	Optional, require support for floating point depth buffer formats.
virtual bool	GetRequireDepthBufferFloat ()
	Optional, require support for floating point depth buffer formats.
virtual bool	GetSupportsDepthBufferFloat ()
	Optional, require support for floating point depth buffer formats.
virtual void	SetRequireTextureFloat (bool)
	Optional, require support for floating point texture formats.
virtual bool	GetRequireTextureFloat ()
	Optional, require support for floating point texture formats.
virtual bool	GetSupportsTextureFloat ()
	Optional, require support for floating point texture formats.
virtual void	SetRequireTextureInteger (bool)
	Optional, require support for integer texture formats.
virtual bool	GetRequireTextureInteger ()
	Optional, require support for integer texture formats.
virtual bool	GetSupportsTextureInteger ()
	Optional, require support for integer texture formats.
virtual int	GetWrapS ()
	Wrap mode for the first texture coordinate "s" Valid values are:
virtual void	SetWrapS (int)
	Wrap mode for the first texture coordinate "s" Valid values are:
virtual int	GetWrapT ()
	Wrap mode for the first texture coordinate "t" Valid values are:
virtual void	SetWrapT (int)
	Wrap mode for the first texture coordinate "t" Valid values are:
virtual int	GetWrapR ()
	Wrap mode for the first texture coordinate "r" Valid values are:
virtual void	SetWrapR (int)
	Wrap mode for the first texture coordinate "r" Valid values are:
virtual int	GetMinificationFilter ()
	Minification filter mode.
virtual void	SetMinificationFilter (int)
	Minification filter mode.
virtual int	GetMagnificationFilter ()
	Magnification filter mode.
virtual void	SetMagnificationFilter (int)
	Magnification filter mode.
virtual void	SetBorderColor (float, float, float, float)
	Border Color (RGBA).
virtual void	SetBorderColor (float[4])
	Border Color (RGBA).
virtual float *	GetBorderColor ()
	Border Color (RGBA).
virtual void	GetBorderColor (float &, float &, float &, float &)
	Border Color (RGBA).
virtual void	GetBorderColor (float[4])
	Border Color (RGBA).
virtual void	SetMinLOD (float)
	Lower-clamp the computed LOD against this value.
virtual float	GetMinLOD ()
	Lower-clamp the computed LOD against this value.
virtual void	SetMaxLOD (float)
	Upper-clamp the computed LOD against this value.
virtual float	GetMaxLOD ()
	Upper-clamp the computed LOD against this value.
virtual void	SetBaseLevel (int)
	Level of detail of the first texture image.
virtual int	GetBaseLevel ()
	Level of detail of the first texture image.
virtual void	SetMaxLevel (int)
	Level of detail of the first texture image.
virtual int	GetMaxLevel ()
	Level of detail of the first texture image.
virtual bool	GetDepthTextureCompare ()
	Tells if the output of a texture unit with a depth texture uses comparison or not.
virtual void	SetDepthTextureCompare (bool)
	Tells if the output of a texture unit with a depth texture uses comparison or not.
virtual int	GetDepthTextureCompareFunction ()
	In case DepthTextureCompare is true, specify the comparison function in use.
virtual void	SetDepthTextureCompareFunction (int)
	In case DepthTextureCompare is true, specify the comparison function in use.
virtual bool	GetGenerateMipmap ()
	Tells the hardware to generate mipmap textures from the first texture image at BaseLevel.
virtual void	SetGenerateMipmap (bool)
	Tells the hardware to generate mipmap textures from the first texture image at BaseLevel.
virtual void	SetMaximumAnisotropicFiltering (float)
	Set/Get the maximum anisotropic filtering to use.
virtual float	GetMaximumAnisotropicFiltering ()
	Set/Get the maximum anisotropic filtering to use.
void	CopyToFrameBuffer (vtkShaderProgram *program, vtkOpenGLVertexArrayObject *vao)
	Copy the texture (src) in the current framebuffer.
void	CopyToFrameBuffer (int srcXmin, int srcYmin, int srcXmax, int srcYmax, int dstXmin, int dstYmin, int dstXmax, int dstYmax, int dstSizeX, int dstSizeY, vtkShaderProgram *program, vtkOpenGLVertexArrayObject *vao)
	Copy the texture (src) in the current framebuffer.
void	CopyToFrameBuffer (int srcXmin, int srcYmin, int srcXmax, int srcYmax, int dstXmin, int dstYmin, int dstSizeX, int dstSizeY, vtkShaderProgram *program, vtkOpenGLVertexArrayObject *vao)
	Copy the texture (src) in the current framebuffer.
void	CopyToFrameBuffer (float *tcoords, float *verts, vtkShaderProgram *program, vtkOpenGLVertexArrayObject *vao)
	Copy the texture (src) in the current framebuffer.
virtual bool	GetUseSRGBColorSpace ()
	Is this texture using the sRGB color space.
virtual void	SetUseSRGBColorSpace (bool)
	Is this texture using the sRGB color space.
virtual void	UseSRGBColorSpaceOn ()
	Is this texture using the sRGB color space.
virtual void	UseSRGBColorSpaceOff ()
	Is this texture using the sRGB color space.
int	GetMaximumTextureSize3D ()
	Overload which uses the internal context to query the maximum 3D texture size.
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)
vtkTypeBool	InvokeEvent (unsigned long event)
vtkTypeBool	InvokeEvent (const char *event)
std::string	GetObjectDescription () const override
	The object description printed in messages and PrintSelf output.
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.
vtkTypeBool	InvokeEvent (unsigned long event, void *callData)
	This method invokes an event and return whether the event was aborted or not.
vtkTypeBool	InvokeEvent (const char *event, void *callData)
	This method invokes an event and return whether the event was aborted or not.
virtual void	SetObjectName (const std::string &objectName)
	Set/get the name of this object for reporting purposes.
virtual std::string	GetObjectName () const
	Set/get the name of this object for reporting purposes.
Public Member Functions inherited from vtkObjectBase
const char *	GetClassName () const
	Return the class name as a string.
virtual std::string	GetObjectDescription () const
	The object description printed in messages and PrintSelf output.
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.
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.
virtual bool	UsesGarbageCollector () const
	Indicate whether the class uses vtkGarbageCollector or not.

Static Public Member Functions
static vtkQWidgetTexture *	New ()
static vtkTypeBool	IsTypeOf (const char *type)
static vtkQWidgetTexture *	SafeDownCast (vtkObjectBase *o)
Static Public Member Functions inherited from vtkTextureObject
static vtkTextureObject *	New ()
static vtkTypeBool	IsTypeOf (const char *type)
static vtkTextureObject *	SafeDownCast (vtkObjectBase *o)
static bool	IsSupported (vtkOpenGLRenderWindow *renWin, bool requireTexFloat, bool requireDepthFloat, bool requireTexInt)
	Returns if the context supports the required extensions.
static bool	IsSupported (vtkOpenGLRenderWindow *renWin)
	Check for feature support, without any optional features.
static int	GetMaximumTextureSize (vtkOpenGLRenderWindow *context)
	Query and return maximum texture size (dimension) supported by the OpenGL driver for a particular context.
static int	GetMaximumTextureSize3D (vtkOpenGLRenderWindow *context)
	Query and return maximum texture size (dimension) supported by the OpenGL driver for a particular context.
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 (vtkTypeBool 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 vtkTypeBool	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
	vtkQWidgetTexture ()
	~vtkQWidgetTexture () override
void	AllocateFromWidget ()
Protected Member Functions inherited from vtkTextureObject
virtual vtkObjectBase *	NewInstanceInternal () const
	vtkTextureObject ()
	~vtkTextureObject () override
bool	LoadRequiredExtensions (vtkOpenGLRenderWindow *renWin)
	Load all necessary extensions.
void	CreateTexture ()
	Creates a texture handle if not already created.
void	DestroyTexture ()
	Destroy the texture.
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 *)
virtual void	ObjectFinalize ()
	vtkObjectBase (const vtkObjectBase &)
void	operator= (const vtkObjectBase &)

Protected Attributes
QGraphicsScene *	Scene
QWidget *	Widget
std::function< void()>	RedrawMethod
unsigned char *	ImageBuffer
std::array< int, 2 >	ImageBufferDimensions
Protected Attributes inherited from vtkTextureObject
vtkGenericOpenGLResourceFreeCallback *	ResourceCallback
int	NumberOfDimensions
unsigned int	Width
unsigned int	Height
unsigned int	Depth
unsigned int	Samples
bool	UseSRGBColorSpace
float	MaximumAnisotropicFiltering
unsigned int	Target
unsigned int	Format
unsigned int	InternalFormat
unsigned int	Type
int	Components
vtkWeakPointer< vtkOpenGLRenderWindow >	Context
unsigned int	Handle
bool	OwnHandle
bool	RequireTextureInteger
bool	SupportsTextureInteger
bool	RequireTextureFloat
bool	SupportsTextureFloat
bool	RequireDepthBufferFloat
bool	SupportsDepthBufferFloat
int	WrapS
int	WrapT
int	WrapR
int	MinificationFilter
int	MagnificationFilter
float	MinLOD
float	MaxLOD
int	BaseLevel
int	MaxLevel
float	BorderColor [4]
bool	DepthTextureCompare
int	DepthTextureCompareFunction
bool	GenerateMipmap
int	AutoParameters
vtkTimeStamp	SendParametersTime
vtkOpenGLHelper *	ShaderProgram
vtkOpenGLBufferObject *	BufferObject
Protected Attributes inherited from vtkObject
bool	Debug
vtkTimeStamp	MTime
vtkSubjectHelper *	SubjectHelper
std::string	ObjectName
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

Allows a QWidget to be used as a texture in VTK with OpenGL.

This class works by rendering the QWidget into a Framebuffer and then sending the OpenGL texture handle to VTK for rendering.

Definition at line 23 of file vtkQWidgetTexture.h.

Member Typedef Documentation

Superclass

typedef vtkTextureObject vtkQWidgetTexture::Superclass

Definition at line 27 of file vtkQWidgetTexture.h.

Constructor & Destructor Documentation

vtkQWidgetTexture()

vtkQWidgetTexture::vtkQWidgetTexture ( )

protected

~vtkQWidgetTexture()

vtkQWidgetTexture::~vtkQWidgetTexture ( )

overrideprotected

Member Function Documentation

New()

static vtkQWidgetTexture * vtkQWidgetTexture::New ( )

static

IsTypeOf()

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

static

IsA()

virtual vtkTypeBool vtkQWidgetTexture::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 vtkTextureObject.

SafeDownCast()

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

static

NewInstanceInternal()

virtual vtkObjectBase * vtkQWidgetTexture::NewInstanceInternal ( ) const

protectedvirtual

Reimplemented from vtkTextureObject.

NewInstance()

vtkQWidgetTexture * vtkQWidgetTexture::NewInstance

(

)

const

PrintSelf()

void vtkQWidgetTexture::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 vtkObject.

SetWidget()

void vtkQWidgetTexture::SetWidget

(

QWidget *

w

)

Set/Get the QWidget that this TextureObject will render/use.

GetWidget()

QWidget * vtkQWidgetTexture::GetWidget ( )

inline

Set/Get the QWidget that this TextureObject will render/use.

Definition at line 35 of file vtkQWidgetTexture.h.

GetScene()

QGraphicsScene * vtkQWidgetTexture::GetScene ( )

inline

get the QScene used for rendering, this is where events will be forwarded to.

Definition at line 42 of file vtkQWidgetTexture.h.

Activate()

void vtkQWidgetTexture::Activate ( )

overridevirtual

Activate and Bind the texture.

Overloaded to handle the opengl related setup at the same time. as We know the context will be active then.

Reimplemented from vtkTextureObject.

ReleaseGraphicsResources()

void vtkQWidgetTexture::ReleaseGraphicsResources ( vtkWindow *  win )

overridevirtual

Free resources.

Reimplemented from vtkTextureObject.

AllocateFromWidget()

void vtkQWidgetTexture::AllocateFromWidget ( )

protected

Member Data Documentation

Scene

QGraphicsScene* vtkQWidgetTexture::Scene

protected

Definition at line 59 of file vtkQWidgetTexture.h.

Widget

QWidget* vtkQWidgetTexture::Widget

protected

Definition at line 60 of file vtkQWidgetTexture.h.

RedrawMethod

std::function<void()> vtkQWidgetTexture::RedrawMethod

protected

Definition at line 63 of file vtkQWidgetTexture.h.

ImageBuffer

unsigned char* vtkQWidgetTexture::ImageBuffer

protected

Definition at line 68 of file vtkQWidgetTexture.h.

ImageBufferDimensions

std::array<int, 2> vtkQWidgetTexture::ImageBufferDimensions

protected

Definition at line 69 of file vtkQWidgetTexture.h.

---

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

• GUISupport/Qt/vtkQWidgetTexture.h