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/*=========================================================================
Program: Visualization Toolkit
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.
=========================================================================*/
/**
* @class vtkOpenVROverlay
* @brief OpenVR overlay
*
* vtkOpenVROverlay support for VR overlays
*/
#ifndef vtkOpenVROverlay_h
#define vtkOpenVROverlay_h
#include "vtkNew.h" // for ivars
#include "vtkObject.h"
#include "vtkRenderingOpenVRModule.h" // For export macro
#include "vtkWeakPointer.h" // for ivars
#include <map> // ivars
#include <openvr.h> // for ivars
#include <vector> // ivars
VTK_ABI_NAMESPACE_BEGIN
class vtkJPEGReader;
class vtkOpenVROverlaySpot;
class vtkOpenVRRenderWindow;
class vtkTextureObject;
class vtkOpenVRCameraPose;
class vtkOpenVRCamera;
class vtkXMLDataElement;
class VTKRENDERINGOPENVR_EXPORT vtkOpenVROverlay : public vtkObject
{
public:
static vtkOpenVROverlay* New();
vtkTypeMacro(vtkOpenVROverlay, vtkObject);
void PrintSelf(ostream& os, vtkIndent indent) override;
/**
* Render the overlay
*/
virtual void Render();
/**
* Create the overlay
*/
virtual void Create(vtkOpenVRRenderWindow* rw);
/**
* Get handle to the overlay
*/
vr::VROverlayHandle_t GetOverlayHandle() { return this->OverlayHandle; }
/**
* Get handle to the overlay texture
*/
vtkTextureObject* GetOverlayTexture() { return this->OverlayTexture.Get(); }
///@{
/**
* methods to support events on the overlay
*/
virtual void MouseMoved(int x, int y);
virtual void MouseButtonPress(int x, int y);
virtual void MouseButtonRelease(int x, int y);
///@}
vtkOpenVROverlaySpot* GetLastSpot() { return this->LastSpot; }
std::vector<vtkOpenVROverlaySpot>& GetSpots() { return this->Spots; }
/***
* update the texture because this spot has changed
*/
virtual void UpdateSpot(vtkOpenVROverlaySpot* spot);
///@{
/**
* Set/Get a prefix for saving camera poses
*/
void SetSessionName(const std::string& name) { this->SessionName = name; }
std::string GetSessionName() { return this->SessionName; }
///@}
///@{
/**
* Set/Get a file for the dashboard image
*/
void SetDashboardImageFileName(VTK_FILEPATH const std::string& name)
{
this->DashboardImageFileName = name;
}
VTK_FILEPATH std::string GetDashboardImageFileName() { return this->DashboardImageFileName; }
///@}
vtkOpenVRCameraPose* GetSavedCameraPose(int i);
virtual void SetSavedCameraPose(int i, vtkOpenVRCameraPose*);
virtual void WriteCameraPoses(ostream& os);
virtual void WriteCameraPoses();
virtual void ReadCameraPoses();
virtual void ReadCameraPoses(istream& is);
virtual void ReadCameraPoses(vtkXMLDataElement* xml);
virtual void SaveCameraPose(int num);
virtual void LoadCameraPose(int num);
virtual void LoadNextCameraPose();
virtual std::map<int, vtkOpenVRCameraPose>& GetSavedCameraPoses()
{
return this->SavedCameraPoses;
}
// not used for dashboard overlays
void Show();
void Hide();
protected:
vtkOpenVROverlay();
~vtkOpenVROverlay() override;
virtual void SetupSpots() {}
vr::IVRSystem* VRSystem;
// for the overlay
vr::VROverlayHandle_t OverlayHandle;
vr::VROverlayHandle_t OverlayThumbnailHandle;
vtkNew<vtkTextureObject> OverlayTexture;
virtual void SetDashboardImageData(vtkJPEGReader* rdr);
// std::vector<vtkOpenVRActiveSpot> ActiveSpots;
unsigned char* OriginalTextureData;
unsigned char* CurrentTextureData;
std::vector<vtkOpenVROverlaySpot> Spots;
vtkOpenVROverlaySpot* LastSpot;
std::string SessionName;
std::string DashboardImageFileName;
std::map<int, vtkOpenVRCameraPose> SavedCameraPoses;
vtkWeakPointer<vtkOpenVRRenderWindow> Window;
int LastCameraPoseIndex;
double LastSpotIntensity;
double ActiveSpotIntensity;
private:
vtkOpenVROverlay(const vtkOpenVROverlay&) = delete;
void operator=(const vtkOpenVROverlay&) = delete;
};
VTK_ABI_NAMESPACE_END
#endif
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