vtkCinemaLayerMapper.h

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/*=========================================================================

  Program:   ParaView
  Module:    vtkCinemaLayerMapper.h

  Copyright (c) Kitware, Inc.
  All rights reserved.
  See Copyright.txt or http://www.paraview.org/HTML/Copyright.html 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 vtkCinemaLayerMapper_h
#define vtkCinemaLayerMapper_h

#include "vtkMapper2D.h"

#include "vtkNew.h"                  // for vtkNew
#include "vtkRemotingCinemaModule.h" // for export macros
#include "vtkSmartPointer.h"         // for vtkSmartPointer
#include <string>                    // needed for std::string
#include <vector>                    // needed for std::vector

class vtkImageData;
class vtkMatrix4x4;
class vtkScalarsToColors;

class VTKREMOTINGCINEMA_EXPORT vtkCinemaLayerMapper : public vtkMapper2D
{
public:
  static vtkCinemaLayerMapper* New();
  vtkTypeMacro(vtkCinemaLayerMapper, vtkMapper2D);
  void PrintSelf(ostream& os, vtkIndent indent) override;

  void RenderOpaqueGeometry(vtkViewport*, vtkActor2D*) override;

  void RenderOverlay(vtkViewport*, vtkActor2D*) override;

  void ReleaseGraphicsResources(vtkWindow*) override;


  vtkSetMacro(ScalarVisibility, bool);
  vtkGetMacro(ScalarVisibility, bool);
  vtkBooleanMacro(ScalarVisibility, bool);


  void SetLookupTable(vtkScalarsToColors* lut);
  vtkScalarsToColors* GetLookupTable() { return this->LookupTable; }

  vtkMTimeType GetMTime() override;


  void SetLayers(const std::vector<vtkSmartPointer<vtkImageData> >& layers);
  const std::vector<vtkSmartPointer<vtkImageData> >& GetLayers() const { return this->Layers; }
  void ClearLayers();


  void SetLayerProjectionMatrix(vtkMatrix4x4* projMat);
  vtkMatrix4x4* GetLayerProjectionMatrix();


  vtkSetVector3Macro(LayerCameraViewUp, double);
  vtkGetVector3Macro(LayerCameraViewUp, double);

  vtkSetMacro(RenderLayersAsImage, bool);
  vtkGetMacro(RenderLayersAsImage, bool);
  vtkBooleanMacro(RenderLayersAsImage, bool);

protected:
  vtkCinemaLayerMapper();
  ~vtkCinemaLayerMapper() override;

  bool ScalarVisibility;
  vtkScalarsToColors* LookupTable;

  std::vector<vtkSmartPointer<vtkImageData> > Layers;
  vtkNew<vtkMatrix4x4> LayerProjectionMatrix;
  double LayerCameraViewUp[3];

  bool RenderLayersAsImage;

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

  class vtkInternals;
  vtkInternals* Internals;
  vtkTimeStamp BuildTime;
};

#endif