vtkZSpaceCoreCompatibilitySDKManager.h

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

#include "vtkZSpaceSDKManager.h"

// Disable "anonymous struct/union" warning on zSpace compat headers
#pragma warning(disable : 4201)
#include "zSpaceCoreCompatibility.h" // zSpace header
#pragma warning(default : 4201)

#include <vector>    // for std::vector
#include <windows.h> // for HMODULE

VTK_ABI_NAMESPACE_BEGIN

struct zSpaceCoreCompatEntryPoints
{
  // Use the zSpace Core Compatibility API function name reflection macro to
  // auto-generate function pointer members for all zSpace Core Compatibility
  // API entry point functions.

#define ZC_COMPAT_SAMPLE_LOCAL_ENTRY_POINT_MEMBER(undecoratedFuncName)                             \
  ZCCompat##undecoratedFuncName##FuncPtrType zccompat##undecoratedFuncName;

  ZC_COMPAT_REFLECTION_LIST_UNDECORATED_FUNC_NAMES(ZC_COMPAT_SAMPLE_LOCAL_ENTRY_POINT_MEMBER)
#undef ZC_COMPAT_SAMPLE_LOCAL_ENTRY_POINT_MEMBER
};

class vtkRenderWindow;
class vtkMatrix4x4;

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

  void InitializeZSpace() override;

  void UpdateViewport() override;

  void UpdateTrackers() override;

  void UpdateViewAndProjectionMatrix() override;

  void UpdateButtonState() override;

  void CalculateFrustumFit(const double bounds[6], double position[3], double viewUp[3]) override;


  void BeginFrame() override;
  void EndFrame() override;

  void EnableGraphicsBinding() override;

  void SubmitFrame(unsigned int leftText, unsigned int rightText) override;

  void GetPerEyeImageResolution(signed int* width, signed int* height) override;

  StereoDisplayMode GetStereoDisplayMode() override;


  void SetStereoDisplayEnabled(bool enabled) override;
  bool GetStereoDisplayEnabled() override;

  void ShutDown() override;

  void SetRenderWindow(vtkRenderWindow*) override;

protected:
  vtkZSpaceCoreCompatibilitySDKManager();
  ~vtkZSpaceCoreCompatibilitySDKManager() override;

  ZCCompatContext ZSpaceContext = nullptr;
  ZCCompatDisplay DisplayHandle = nullptr;
  ZCCompatViewport ViewportHandle = nullptr;
  ZCCompatFrustum FrustumHandle = nullptr;
  ZCCompatTarget StylusHandle = nullptr;

  // Store the API functions entry points.
  zSpaceCoreCompatEntryPoints EntryPts;

  // Handle to the zSpace Core Compatibility API dynamic library (.dll).
  HMODULE zSpaceCoreCompatDllModuleHandle;

  bool loadZspaceCoreCompatibilityEntryPoints(const char* zSpaceCoreCompatDllFilePath,
    HMODULE& zSpaceCoreCompatDllModuleHandle, zSpaceCoreCompatEntryPoints& entryPoints);

  void ConvertAndTransposeZSpaceMatrixToVTKMatrix(ZSMatrix4 zSpaceMatrix, vtkMatrix4x4* vtkMatrix);

  void ConvertZSpaceMatrixToVTKMatrix(ZSMatrix4 zSpaceMatrix, vtkMatrix4x4* vtkMatrix);

  bool Initialized = false;

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

VTK_ABI_NAMESPACE_END

#endif