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vtkContextTransform Class Reference

all children of this item are transformed by the vtkTransform2D of this item. More...

#include <vtkContextTransform.h>

Inheritance diagram for vtkContextTransform:
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Collaboration diagram for vtkContextTransform:
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Public Types

typedef vtkAbstractContextItem Superclass
 
- Public Types inherited from vtkAbstractContextItem
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. More...
 
vtkContextTransformNewInstance () const
 
void PrintSelf (ostream &os, vtkIndent indent) override
 Methods invoked by print to print information about the object including superclasses. More...
 
void Update () override
 Perform any updates to the item that may be necessary before rendering. More...
 
bool Paint (vtkContext2D *painter) override
 Paint event for the item, called whenever the item needs to be drawn. More...
 
virtual void Identity ()
 Reset the transform to the identity transformation. More...
 
virtual void Translate (float dx, float dy)
 Translate the item by the specified amounts dx and dy in the x and y directions. More...
 
virtual void Scale (float dx, float dy)
 Scale the item by the specified amounts dx and dy in the x and y directions. More...
 
virtual void Rotate (float angle)
 Rotate the item by the specified angle. More...
 
virtual vtkTransform2DGetTransform ()
 Access the vtkTransform2D that controls object transformation. More...
 
vtkVector2f MapToParent (const vtkVector2f &point) override
 Transforms a point to the parent coordinate system. More...
 
vtkVector2f MapFromParent (const vtkVector2f &point) override
 Transforms a point from the parent coordinate system. More...
 
virtual void SetPanMouseButton (int)
 The mouse button from vtkContextMouseEvent to use for panning. More...
 
virtual int GetPanMouseButton ()
 
virtual void SetPanModifier (int)
 The modifier from vtkContextMouseEvent to use for panning. More...
 
virtual int GetPanModifier ()
 
virtual void SetSecondaryPanMouseButton (int)
 A secondary mouse button from vtkContextMouseEvent to use for panning. More...
 
virtual int GetSecondaryPanMouseButton ()
 
virtual void SetSecondaryPanModifier (int)
 A secondary modifier from vtkContextMouseEvent to use for panning. More...
 
virtual int GetSecondaryPanModifier ()
 
virtual void SetZoomMouseButton (int)
 The mouse button from vtkContextMouseEvent to use for panning. More...
 
virtual int GetZoomMouseButton ()
 
virtual void SetZoomModifier (int)
 The modifier from vtkContextMouseEvent to use for panning. More...
 
virtual int GetZoomModifier ()
 
virtual void SetSecondaryZoomMouseButton (int)
 A secondary mouse button from vtkContextMouseEvent to use for panning. More...
 
virtual int GetSecondaryZoomMouseButton ()
 
virtual void SetSecondaryZoomModifier (int)
 A secondary modifier from vtkContextMouseEvent to use for panning. More...
 
virtual int GetSecondaryZoomModifier ()
 
virtual void SetZoomOnMouseWheel (bool)
 Whether to zoom on mouse wheels. More...
 
virtual bool GetZoomOnMouseWheel ()
 
virtual void ZoomOnMouseWheelOn ()
 
virtual void ZoomOnMouseWheelOff ()
 
virtual void SetPanYOnMouseWheel (bool)
 Whether to pan in the Y direction on mouse wheels. More...
 
virtual bool GetPanYOnMouseWheel ()
 
virtual void PanYOnMouseWheelOn ()
 
virtual void PanYOnMouseWheelOff ()
 
bool Hit (const vtkContextMouseEvent &mouse) override
 Returns true if the transform is interactive, false otherwise. More...
 
bool MouseButtonPressEvent (const vtkContextMouseEvent &mouse) override
 Mouse press event. More...
 
bool MouseMoveEvent (const vtkContextMouseEvent &mouse) override
 Mouse move event. More...
 
bool MouseWheelEvent (const vtkContextMouseEvent &mouse, int delta) override
 Mouse wheel event. More...
 
- Public Member Functions inherited from vtkAbstractContextItem
vtkAbstractContextItemNewInstance () const
 
virtual bool PaintChildren (vtkContext2D *painter)
 Paint the children of the item, should be called whenever the children need to be rendered. More...
 
virtual void ReleaseGraphicsResources ()
 Release graphics resources hold by the item. More...
 
vtkIdType AddItem (vtkAbstractContextItem *item)
 Add child items to this item. More...
 
bool RemoveItem (vtkAbstractContextItem *item)
 Remove child item from this item. More...
 
bool RemoveItem (vtkIdType index)
 Remove child item from this item. More...
 
vtkAbstractContextItemGetItem (vtkIdType index)
 Get the item at the specified index. More...
 
vtkIdType GetItemIndex (vtkAbstractContextItem *item)
 Get the index of the specified item in itemIndex. More...
 
vtkIdType GetNumberOfItems ()
 Get the number of child items. More...
 
void ClearItems ()
 Remove all child items from this item. More...
 
vtkIdType Raise (vtkIdType index)
 Raises the child to the top of the item's stack. More...
 
virtual vtkIdType StackAbove (vtkIdType index, vtkIdType under)
 Raises the child above the under sibling. More...
 
vtkIdType Lower (vtkIdType index)
 Lowers the child to the bottom of the item's stack. More...
 
virtual vtkIdType StackUnder (vtkIdType child, vtkIdType above)
 Lowers the child under the above sibling. More...
 
virtual vtkAbstractContextItemGetPickedItem (const vtkContextMouseEvent &mouse)
 Return the item under the mouse. More...
 
virtual bool MouseEnterEvent (const vtkContextMouseEvent &mouse)
 Mouse enter event. More...
 
virtual bool MouseLeaveEvent (const vtkContextMouseEvent &mouse)
 Mouse leave event. More...
 
virtual bool MouseButtonReleaseEvent (const vtkContextMouseEvent &mouse)
 Mouse button release event. More...
 
virtual bool MouseDoubleClickEvent (const vtkContextMouseEvent &mouse)
 Mouse button double click event. More...
 
virtual bool KeyPressEvent (const vtkContextKeyEvent &key)
 Key press event. More...
 
virtual bool KeyReleaseEvent (const vtkContextKeyEvent &key)
 Key release event. More...
 
virtual void SetScene (vtkContextScene *scene)
 Set the vtkContextScene for the item, always set for an item in a scene. More...
 
vtkContextSceneGetScene ()
 Get the vtkContextScene for the item, always set for an item in a scene. More...
 
virtual void SetParent (vtkAbstractContextItem *parent)
 Set the parent item. More...
 
vtkAbstractContextItemGetParent ()
 Get the parent item. More...
 
virtual vtkVector2f MapToScene (const vtkVector2f &point)
 Maps the point to the scene coordinate system. More...
 
virtual vtkVector2f MapFromScene (const vtkVector2f &point)
 Maps the point from the scene coordinate system. More...
 
virtual bool GetVisible ()
 Get the visibility of the item (should it be drawn). More...
 
virtual void SetVisible (bool)
 Set the visibility of the item (should it be drawn). More...
 
virtual bool GetInteractive ()
 Get if the item is interactive (should respond to mouse events). More...
 
virtual void SetInteractive (bool)
 Set if the item is interactive (should respond to mouse events). More...
 
- Public Member Functions inherited from vtkObject
 vtkBaseTypeMacro (vtkObject, vtkObjectBase)
 
virtual void DebugOn ()
 Turn debugging output on. More...
 
virtual void DebugOff ()
 Turn debugging output off. More...
 
bool GetDebug ()
 Get the value of the debug flag. More...
 
void SetDebug (bool debugFlag)
 Set the value of the debug flag. More...
 
virtual void Modified ()
 Update the modification time for this object. More...
 
virtual vtkMTimeType GetMTime ()
 Return this object's modified time. More...
 
unsigned long AddObserver (unsigned long event, vtkCommand *, float priority=0.0f)
 Allow people to add/remove/invoke observers (callbacks) to any VTK object. More...
 
unsigned long AddObserver (const char *event, vtkCommand *, float priority=0.0f)
 
vtkCommandGetCommand (unsigned long tag)
 
void RemoveObserver (vtkCommand *)
 
void RemoveObservers (unsigned long event, vtkCommand *)
 
void RemoveObservers (const char *event, vtkCommand *)
 
vtkTypeBool HasObserver (unsigned long event, vtkCommand *)
 
vtkTypeBool HasObserver (const char *event, vtkCommand *)
 
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)
 
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. More...
 
template<class U , class T >
unsigned long AddObserver (unsigned long event, U observer, void(T::*callback)(vtkObject *, unsigned long, void *), float priority=0.0f)
 
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. More...
 
int InvokeEvent (unsigned long event, void *callData)
 This method invokes an event and return whether the event was aborted or not. More...
 
int InvokeEvent (const char *event, void *callData)
 
int InvokeEvent (unsigned long event)
 
int InvokeEvent (const char *event)
 
- Public Member Functions inherited from vtkObjectBase
const char * GetClassName () const
 Return the class name as a string. More...
 
virtual vtkIdType GetNumberOfGenerationsFromBase (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). More...
 
virtual void Delete ()
 Delete a VTK object. More...
 
virtual void FastDelete ()
 Delete a reference to this object. More...
 
void InitializeObjectBase ()
 
void Print (ostream &os)
 Print an object to an ostream. More...
 
virtual void PrintHeader (ostream &os, vtkIndent indent)
 
virtual void PrintTrailer (ostream &os, vtkIndent indent)
 
virtual void Register (vtkObjectBase *o)
 Increase the reference count (mark as used by another object). More...
 
virtual void UnRegister (vtkObjectBase *o)
 Decrease the reference count (release by another object). More...
 
int GetReferenceCount ()
 Return the current reference count of this object. More...
 
void SetReferenceCount (int)
 Sets the reference count. More...
 
void PrintRevisions (ostream &)
 Legacy. More...
 

Static Public Member Functions

static vtkTypeBool IsTypeOf (const char *type)
 
static vtkContextTransformSafeDownCast (vtkObjectBase *o)
 
static vtkContextTransformNew ()
 Creates a vtkContextTransform object. More...
 
- Static Public Member Functions inherited from vtkAbstractContextItem
static vtkTypeBool IsTypeOf (const char *type)
 
static vtkAbstractContextItemSafeDownCast (vtkObjectBase *o)
 
- Static Public Member Functions inherited from vtkObject
static vtkObjectNew ()
 Create an object with Debug turned off, modified time initialized to zero, and reference counting on. More...
 
static void BreakOnError ()
 This method is called when vtkErrorMacro executes. More...
 
static void SetGlobalWarningDisplay (int val)
 This is a global flag that controls whether any debug, warning or error messages are displayed. More...
 
static void GlobalWarningDisplayOn ()
 
static void GlobalWarningDisplayOff ()
 
static int GetGlobalWarningDisplay ()
 
- 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. More...
 
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). More...
 
static vtkObjectBaseNew ()
 Create an object with Debug turned off, modified time initialized to zero, and reference counting on. More...
 

Protected Member Functions

virtual vtkObjectBaseNewInstanceInternal () const
 
 vtkContextTransform ()
 
 ~vtkContextTransform () override
 
- Protected Member Functions inherited from vtkAbstractContextItem
 vtkAbstractContextItem ()
 
 ~vtkAbstractContextItem () 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. More...
 
void InternalReleaseFocus ()
 
- Protected Member Functions inherited from vtkObjectBase
 vtkObjectBase ()
 
virtual ~vtkObjectBase ()
 
virtual void CollectRevisions (ostream &)
 
virtual void ReportReferences (vtkGarbageCollector *)
 
 vtkObjectBase (const vtkObjectBase &)
 
void operator= (const vtkObjectBase &)
 

Protected Attributes

vtkSmartPointer< vtkTransform2DTransform
 
int PanMouseButton
 
int PanModifier
 
int ZoomMouseButton
 
int ZoomModifier
 
int SecondaryPanMouseButton
 
int SecondaryPanModifier
 
int SecondaryZoomMouseButton
 
int SecondaryZoomModifier
 
bool ZoomOnMouseWheel
 
bool PanYOnMouseWheel
 
vtkVector2f ZoomAnchor
 
- Protected Attributes inherited from vtkAbstractContextItem
vtkContextSceneScene
 Point to the scene the item is on - can be null. More...
 
vtkAbstractContextItemParent
 Point to the parent item - can be null. More...
 
vtkContextScenePrivateChildren
 This structure provides a list of children, along with convenience functions to paint the children etc. More...
 
bool Visible
 Store the visibility of the item (default is true). More...
 
bool Interactive
 Store whether the item should respond to interactions (default is true). More...
 
- Protected Attributes inherited from vtkObject
bool Debug
 
vtkTimeStamp MTime
 
vtkSubjectHelper * SubjectHelper
 
- Protected Attributes inherited from vtkObjectBase
std::atomic< int32_t > ReferenceCount
 
vtkWeakPointerBase ** WeakPointers
 

Detailed Description

all children of this item are transformed by the vtkTransform2D of this item.

This class can be used to transform all child items of this class. The default transform is the identity.

Definition at line 36 of file vtkContextTransform.h.

Member Typedef Documentation

◆ Superclass

Definition at line 39 of file vtkContextTransform.h.

Constructor & Destructor Documentation

◆ vtkContextTransform()

vtkContextTransform::vtkContextTransform ( )
protected

◆ ~vtkContextTransform()

vtkContextTransform::~vtkContextTransform ( )
overrideprotected

Member Function Documentation

◆ IsTypeOf()

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

◆ IsA()

virtual vtkTypeBool vtkContextTransform::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 vtkAbstractContextItem.

◆ SafeDownCast()

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

◆ NewInstanceInternal()

virtual vtkObjectBase* vtkContextTransform::NewInstanceInternal ( ) const
protectedvirtual

Reimplemented from vtkAbstractContextItem.

◆ NewInstance()

vtkContextTransform* vtkContextTransform::NewInstance ( ) const

◆ PrintSelf()

void vtkContextTransform::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 vtkAbstractContextItem.

◆ New()

static vtkContextTransform* vtkContextTransform::New ( )
static

Creates a vtkContextTransform object.

◆ Update()

void vtkContextTransform::Update ( )
overridevirtual

Perform any updates to the item that may be necessary before rendering.

The scene should take care of calling this on all items before their Paint function is invoked.

Reimplemented from vtkAbstractContextItem.

◆ Paint()

bool vtkContextTransform::Paint ( vtkContext2D painter)
overridevirtual

Paint event for the item, called whenever the item needs to be drawn.

Reimplemented from vtkAbstractContextItem.

◆ Identity()

virtual void vtkContextTransform::Identity ( )
virtual

Reset the transform to the identity transformation.

◆ Translate()

virtual void vtkContextTransform::Translate ( float  dx,
float  dy 
)
virtual

Translate the item by the specified amounts dx and dy in the x and y directions.

◆ Scale()

virtual void vtkContextTransform::Scale ( float  dx,
float  dy 
)
virtual

Scale the item by the specified amounts dx and dy in the x and y directions.

◆ Rotate()

virtual void vtkContextTransform::Rotate ( float  angle)
virtual

Rotate the item by the specified angle.

◆ GetTransform()

virtual vtkTransform2D* vtkContextTransform::GetTransform ( )
virtual

Access the vtkTransform2D that controls object transformation.

◆ MapToParent()

vtkVector2f vtkContextTransform::MapToParent ( const vtkVector2f point)
overridevirtual

Transforms a point to the parent coordinate system.

Reimplemented from vtkAbstractContextItem.

◆ MapFromParent()

vtkVector2f vtkContextTransform::MapFromParent ( const vtkVector2f point)
overridevirtual

Transforms a point from the parent coordinate system.

Reimplemented from vtkAbstractContextItem.

◆ SetPanMouseButton()

virtual void vtkContextTransform::SetPanMouseButton ( int  )
virtual

The mouse button from vtkContextMouseEvent to use for panning.

Default is vtkContextMouseEvent::LEFT_BUTTON.

◆ GetPanMouseButton()

virtual int vtkContextTransform::GetPanMouseButton ( )
virtual

◆ SetPanModifier()

virtual void vtkContextTransform::SetPanModifier ( int  )
virtual

The modifier from vtkContextMouseEvent to use for panning.

Default is vtkContextMouseEvent::NO_MODIFIER.

◆ GetPanModifier()

virtual int vtkContextTransform::GetPanModifier ( )
virtual

◆ SetSecondaryPanMouseButton()

virtual void vtkContextTransform::SetSecondaryPanMouseButton ( int  )
virtual

A secondary mouse button from vtkContextMouseEvent to use for panning.

Default is vtkContextMouseEvent::NO_BUTTON (disabled).

◆ GetSecondaryPanMouseButton()

virtual int vtkContextTransform::GetSecondaryPanMouseButton ( )
virtual

◆ SetSecondaryPanModifier()

virtual void vtkContextTransform::SetSecondaryPanModifier ( int  )
virtual

A secondary modifier from vtkContextMouseEvent to use for panning.

Default is vtkContextMouseEvent::NO_MODIFIER.

◆ GetSecondaryPanModifier()

virtual int vtkContextTransform::GetSecondaryPanModifier ( )
virtual

◆ SetZoomMouseButton()

virtual void vtkContextTransform::SetZoomMouseButton ( int  )
virtual

The mouse button from vtkContextMouseEvent to use for panning.

Default is vtkContextMouseEvent::RIGHT_BUTTON.

◆ GetZoomMouseButton()

virtual int vtkContextTransform::GetZoomMouseButton ( )
virtual

◆ SetZoomModifier()

virtual void vtkContextTransform::SetZoomModifier ( int  )
virtual

The modifier from vtkContextMouseEvent to use for panning.

Default is vtkContextMouseEvent::NO_MODIFIER.

◆ GetZoomModifier()

virtual int vtkContextTransform::GetZoomModifier ( )
virtual

◆ SetSecondaryZoomMouseButton()

virtual void vtkContextTransform::SetSecondaryZoomMouseButton ( int  )
virtual

A secondary mouse button from vtkContextMouseEvent to use for panning.

Default is vtkContextMouseEvent::LEFT_BUTTON.

◆ GetSecondaryZoomMouseButton()

virtual int vtkContextTransform::GetSecondaryZoomMouseButton ( )
virtual

◆ SetSecondaryZoomModifier()

virtual void vtkContextTransform::SetSecondaryZoomModifier ( int  )
virtual

A secondary modifier from vtkContextMouseEvent to use for panning.

Default is vtkContextMouseEvent::SHIFT_MODIFIER.

◆ GetSecondaryZoomModifier()

virtual int vtkContextTransform::GetSecondaryZoomModifier ( )
virtual

◆ SetZoomOnMouseWheel()

virtual void vtkContextTransform::SetZoomOnMouseWheel ( bool  )
virtual

Whether to zoom on mouse wheels.

Default is true.

◆ GetZoomOnMouseWheel()

virtual bool vtkContextTransform::GetZoomOnMouseWheel ( )
virtual

◆ ZoomOnMouseWheelOn()

virtual void vtkContextTransform::ZoomOnMouseWheelOn ( )
virtual

◆ ZoomOnMouseWheelOff()

virtual void vtkContextTransform::ZoomOnMouseWheelOff ( )
virtual

◆ SetPanYOnMouseWheel()

virtual void vtkContextTransform::SetPanYOnMouseWheel ( bool  )
virtual

Whether to pan in the Y direction on mouse wheels.

Default is false.

◆ GetPanYOnMouseWheel()

virtual bool vtkContextTransform::GetPanYOnMouseWheel ( )
virtual

◆ PanYOnMouseWheelOn()

virtual void vtkContextTransform::PanYOnMouseWheelOn ( )
virtual

◆ PanYOnMouseWheelOff()

virtual void vtkContextTransform::PanYOnMouseWheelOff ( )
virtual

◆ Hit()

bool vtkContextTransform::Hit ( const vtkContextMouseEvent mouse)
overridevirtual

Returns true if the transform is interactive, false otherwise.

Reimplemented from vtkAbstractContextItem.

◆ MouseButtonPressEvent()

bool vtkContextTransform::MouseButtonPressEvent ( const vtkContextMouseEvent mouse)
overridevirtual

Mouse press event.

Keep track of zoom anchor position.

Reimplemented from vtkAbstractContextItem.

◆ MouseMoveEvent()

bool vtkContextTransform::MouseMoveEvent ( const vtkContextMouseEvent mouse)
overridevirtual

Mouse move event.

Perform pan or zoom as specified by the mouse bindings.

Reimplemented from vtkAbstractContextItem.

◆ MouseWheelEvent()

bool vtkContextTransform::MouseWheelEvent ( const vtkContextMouseEvent mouse,
int  delta 
)
overridevirtual

Mouse wheel event.

Perform pan or zoom as specified by mouse bindings.

Reimplemented from vtkAbstractContextItem.

Member Data Documentation

◆ Transform

vtkSmartPointer<vtkTransform2D> vtkContextTransform::Transform
protected

Definition at line 210 of file vtkContextTransform.h.

◆ PanMouseButton

int vtkContextTransform::PanMouseButton
protected

Definition at line 212 of file vtkContextTransform.h.

◆ PanModifier

int vtkContextTransform::PanModifier
protected

Definition at line 213 of file vtkContextTransform.h.

◆ ZoomMouseButton

int vtkContextTransform::ZoomMouseButton
protected

Definition at line 214 of file vtkContextTransform.h.

◆ ZoomModifier

int vtkContextTransform::ZoomModifier
protected

Definition at line 215 of file vtkContextTransform.h.

◆ SecondaryPanMouseButton

int vtkContextTransform::SecondaryPanMouseButton
protected

Definition at line 216 of file vtkContextTransform.h.

◆ SecondaryPanModifier

int vtkContextTransform::SecondaryPanModifier
protected

Definition at line 217 of file vtkContextTransform.h.

◆ SecondaryZoomMouseButton

int vtkContextTransform::SecondaryZoomMouseButton
protected

Definition at line 218 of file vtkContextTransform.h.

◆ SecondaryZoomModifier

int vtkContextTransform::SecondaryZoomModifier
protected

Definition at line 219 of file vtkContextTransform.h.

◆ ZoomOnMouseWheel

bool vtkContextTransform::ZoomOnMouseWheel
protected

Definition at line 221 of file vtkContextTransform.h.

◆ PanYOnMouseWheel

bool vtkContextTransform::PanYOnMouseWheel
protected

Definition at line 222 of file vtkContextTransform.h.

◆ ZoomAnchor

vtkVector2f vtkContextTransform::ZoomAnchor
protected

Definition at line 224 of file vtkContextTransform.h.


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