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/*=========================================================================
Program: ParaView
Module: vtk3DWidgetRepresentation.h
Copyright (c) Kitware, Inc.
All rights reserved.
See Copyright.txt or http://www.paraview.org/HTML/Copyright.html for details.
This software is distributed WITHOUT ANY WARRANTY; without even
the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE. See the above copyright notice for more information.
=========================================================================*/
// .NAME vtk3DWidgetRepresentation
// .SECTION Description
// vtk3DWidgetRepresentation is a vtkDataRepresentation subclass for 3D widgets
// and their representations. It makes it possible to add 3D widgets to
// vtkPVRenderView.
#ifndef vtk3DWidgetRepresentation_h
#define vtk3DWidgetRepresentation_h
#include "vtkPVClientServerCoreRenderingModule.h" //needed for exports
#include "vtkDataRepresentation.h"
#include "vtkWeakPointer.h" // needed for vtkWeakPointer.
class vtkAbstractWidget;
class vtkPVRenderView;
class vtkWidgetRepresentation;
class vtkTransform;
class VTKPVCLIENTSERVERCORERENDERING_EXPORT vtk3DWidgetRepresentation : public vtkDataRepresentation
{
public:
static vtk3DWidgetRepresentation* New();
vtkTypeMacro(vtk3DWidgetRepresentation, vtkDataRepresentation);
void PrintSelf(ostream& os, vtkIndent indent);
// Description:
// Get/Set the widget.
void SetWidget(vtkAbstractWidget*);
vtkGetObjectMacro(Widget, vtkAbstractWidget);
// Description:
// Get/Set the representation.
void SetRepresentation(vtkWidgetRepresentation*);
vtkGetObjectMacro(Representation, vtkWidgetRepresentation);
// Description:
// Set to true to add the vtkWidgetRepresentation to the non-composited
// renderer. false by default.
vtkSetMacro(UseNonCompositedRenderer, bool);
vtkGetMacro(UseNonCompositedRenderer, bool);
vtkBooleanMacro(UseNonCompositedRenderer, bool);
// Description:
// Get/Set whether the widget is enabled.
void SetEnabled(bool);
vtkGetMacro(Enabled, bool);
vtkBooleanMacro(Enabled, bool);
// Description:
// Set a custom transform on the widget. Currently only
// the implicit plane widget handles this ability
void SetCustomWidgetTransform(vtkTransform *transform);
protected:
vtk3DWidgetRepresentation();
~vtk3DWidgetRepresentation();
// Description:
// Adds the representation to the view. This is called from
// vtkView::AddRepresentation(). Subclasses should override this method.
// Returns true if the addition succeeds.
virtual bool AddToView(vtkView* view);
// Description:
// Removes the representation to the view. This is called from
// vtkView::RemoveRepresentation(). Subclasses should override this method.
// Returns true if the removal succeeds.
virtual bool RemoveFromView(vtkView* view);
// Description:
// Updates 'Enabled' on this->Widget.
void UpdateEnabled();
// Description:
// Callback whenever the representation is modified. We call UpdateEnabled()
// to ensure that the widget is not left enabled when the representation is
// hidden.
void OnRepresentationModified();
// Description:
// Callback whenever the view is modified. If the view's interactor has
// changed, we will pass that to the vtkAbstractWidget instance and then call
// UpdateEnabled().
void OnViewModified();
// Description:
// Forwards this->CustomTransform to the representation.
void UpdateTransform();
bool Enabled;
bool UseNonCompositedRenderer;
vtkAbstractWidget* Widget;
vtkWidgetRepresentation* Representation;
vtkWeakPointer<vtkPVRenderView> View;
vtkTransform* CustomTransform;
private:
vtk3DWidgetRepresentation(const vtk3DWidgetRepresentation&); // Not implemented
void operator=(const vtk3DWidgetRepresentation&); // Not implemented
unsigned long RepresentationObserverTag;
unsigned long ViewObserverTag;
};
#endif
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