vtkCaveSynchronizedRenderers.h

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// SPDX-FileCopyrightText: Copyright (c) Kitware Inc.
// SPDX-License-Identifier: BSD-3-Clause
#ifndef vtkCaveSynchronizedRenderers_h
#define vtkCaveSynchronizedRenderers_h

#include "vtkRemotingViewsModule.h" //needed for exports
#include "vtkSynchronizedRenderers.h"

#include <array>  // For array
#include <vector> // For vector

class vtkCamera;
class vtkMatrix4x4;

class VTKREMOTINGVIEWS_EXPORT vtkCaveSynchronizedRenderers : public vtkSynchronizedRenderers
{
public:
  static vtkCaveSynchronizedRenderers* New();
  vtkTypeMacro(vtkCaveSynchronizedRenderers, vtkSynchronizedRenderers);
  void PrintSelf(ostream& os, vtkIndent indent) override;

protected:
  vtkCaveSynchronizedRenderers();
  ~vtkCaveSynchronizedRenderers() override = default;

  void HandleStartRender() override;

  void ProcessCaveConfiguration();

  void SetNumberOfDisplays(int numberOfDisplays);

  vtkSetMacro(EyeSeparation, double);

  vtkSetMacro(UseOffAxisProjection, bool);

  bool DefineDisplay(int idx, double origin[3], double x[3], double y[3]);

  void InitializeCamera(vtkCamera* cam);

  void SetRenderer(vtkRenderer* renderer) override;

private:
  vtkCaveSynchronizedRenderers(const vtkCaveSynchronizedRenderers&) = delete;
  void operator=(const vtkCaveSynchronizedRenderers&) = delete;

  double EyeSeparation = 0.065;
  bool UseOffAxisProjection = true;
  int NumberOfDisplays = 0;
  std::vector<std::array<double, 12>> Displays;
  std::array<double, 3> DisplayOrigin = { -0.5, -0.5, -0.5 };
  std::array<double, 3> DisplayX = { 0.5, -0.5, -0.5 };
  std::array<double, 3> DisplayY = { 0.5, 0.5, -0.5 };
  bool CameraInitialized = false;
};

#endif