vtkOpenGLCamera.h

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// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
// SPDX-License-Identifier: BSD-3-Clause
#ifndef vtkOpenGLCamera_h
#define vtkOpenGLCamera_h

#include "vtkCamera.h"
#include "vtkRenderingOpenGL2Module.h" // For export macro
#include "vtkWrappingHints.h"          // For VTK_MARSHALAUTO

VTK_ABI_NAMESPACE_BEGIN
class vtkOpenGLRenderer;
class vtkMatrix3x3;
class vtkMatrix4x4;
class vtkOverrideAttribute;

class VTKRENDERINGOPENGL2_EXPORT VTK_MARSHALAUTO vtkOpenGLCamera : public vtkCamera
{
public:
  static vtkOpenGLCamera* New();
  VTK_NEWINSTANCE
  static vtkOverrideAttribute* CreateOverrideAttributes();
  vtkTypeMacro(vtkOpenGLCamera, vtkCamera);
  void PrintSelf(ostream& os, vtkIndent indent) override;

  void Render(vtkRenderer* ren) override;

  void UpdateViewport(vtkRenderer* ren) override;

  virtual void GetKeyMatrices(vtkRenderer* ren, vtkMatrix4x4*& WCVCMatrix,
    vtkMatrix3x3*& normalMatrix, vtkMatrix4x4*& VCDCMatrix, vtkMatrix4x4*& WCDCMatrix);

protected:
  vtkOpenGLCamera();
  ~vtkOpenGLCamera() override;

  vtkMatrix4x4* WCDCMatrix;
  vtkMatrix4x4* WCVCMatrix;
  vtkMatrix3x3* NormalMatrix;
  vtkMatrix4x4* VCDCMatrix;
  vtkTimeStamp KeyMatrixTime;
  vtkRenderer* LastRenderer;

private:
  vtkOpenGLCamera(const vtkOpenGLCamera&) = delete;
  void operator=(const vtkOpenGLCamera&) = delete;
};

#define vtkOpenGLCamera_OVERRIDE_ATTRIBUTES vtkOpenGLCamera::CreateOverrideAttributes()
VTK_ABI_NAMESPACE_END
#endif