vtkCameraRepresentation.h

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/*=========================================================================
 
  Program:   Visualization Toolkit
  Module:    vtkCameraRepresentation.h
 
  Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
  All rights reserved.
  See Copyright.txt or http://www.kitware.com/Copyright.htm 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.
 
=========================================================================*/
#ifndef vtkCameraRepresentation_h
#define vtkCameraRepresentation_h
 
#include "vtkBorderRepresentation.h"
#include "vtkInteractionWidgetsModule.h" // For export macro
 
class vtkRenderer;
class vtkRenderWindowInteractor;
class vtkCamera;
class vtkCameraInterpolator;
class vtkPoints;
class vtkPolyData;
class vtkTransformPolyDataFilter;
class vtkPolyDataMapper2D;
class vtkProperty2D;
class vtkActor2D;
 
class VTKINTERACTIONWIDGETS_EXPORT vtkCameraRepresentation : public vtkBorderRepresentation
{
public:
  static vtkCameraRepresentation* New();
 
 
  vtkTypeMacro(vtkCameraRepresentation, vtkBorderRepresentation);
  void PrintSelf(ostream& os, vtkIndent indent) override;
 
 
  void SetCamera(vtkCamera* camera);
  vtkGetObjectMacro(Camera, vtkCamera);
 
 
  void SetInterpolator(vtkCameraInterpolator* camInt);
  vtkGetObjectMacro(Interpolator, vtkCameraInterpolator);
 
 
  vtkSetClampMacro(NumberOfFrames, int, 1, VTK_INT_MAX);
  vtkGetMacro(NumberOfFrames, int);
 
 
  vtkGetObjectMacro(Property, vtkProperty2D);
 
 
  void AddCameraToPath();
  void AnimatePath(vtkRenderWindowInteractor* rwi);
  void InitializePath();
 
  void BuildRepresentation() override;
  void GetSize(double size[2]) override
  {
    size[0] = 6.0;
    size[1] = 2.0;
  }
 
 
  void GetActors2D(vtkPropCollection*) override;
  void ReleaseGraphicsResources(vtkWindow*) override;
  int RenderOverlay(vtkViewport*) override;
  int RenderOpaqueGeometry(vtkViewport*) override;
  int RenderTranslucentPolygonalGeometry(vtkViewport*) override;
  vtkTypeBool HasTranslucentPolygonalGeometry() override;
 
protected:
  vtkCameraRepresentation();
  ~vtkCameraRepresentation() override;
 
  // the camera and the interpolator
  vtkCamera* Camera;
  vtkCameraInterpolator* Interpolator;
  int NumberOfFrames;
  double CurrentTime;
 
  // representation of the camera
  vtkPoints* Points;
  vtkPolyData* PolyData;
  vtkTransformPolyDataFilter* TransformFilter;
  vtkPolyDataMapper2D* Mapper;
  vtkProperty2D* Property;
  vtkActor2D* Actor;
 
private:
  vtkCameraRepresentation(const vtkCameraRepresentation&) = delete;
  void operator=(const vtkCameraRepresentation&) = delete;
};
 
#endif