vtkImageSliceMapper.h

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/*=========================================================================
 
  Program:   Visualization Toolkit
  Module:    vtkImageSliceMapper.h
 
  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.
 
=========================================================================*/
#ifndef vtkImageSliceMapper_h
#define vtkImageSliceMapper_h
 
#include "vtkImageMapper3D.h"
#include "vtkRenderingCoreModule.h" // For export macro
 
class vtkCamera;
class vtkPoints;
 
class VTKRENDERINGCORE_EXPORT vtkImageSliceMapper : public vtkImageMapper3D
{
public:
  static vtkImageSliceMapper* New();
  vtkTypeMacro(vtkImageSliceMapper, vtkImageMapper3D);
  void PrintSelf(ostream& os, vtkIndent indent) override;
 
 
  virtual void SetSliceNumber(int slice);
  virtual int GetSliceNumber();
 
 
  virtual int GetSliceNumberMinValue();
  virtual int GetSliceNumberMaxValue();
 
 
  vtkSetClampMacro(Orientation, int, 0, 2);
  vtkGetMacro(Orientation, int);
  void SetOrientationToI() { this->SetOrientation(0); }
  void SetOrientationToJ() { this->SetOrientation(1); }
  void SetOrientationToK() { this->SetOrientation(2); }
  // old methods
  void SetOrientationToX() { this->SetOrientation(0); }
  void SetOrientationToY() { this->SetOrientation(1); }
  void SetOrientationToZ() { this->SetOrientation(2); }
 
 
  vtkSetMacro(Cropping, vtkTypeBool);
  vtkBooleanMacro(Cropping, vtkTypeBool);
  vtkGetMacro(Cropping, vtkTypeBool);
 
 
  vtkSetVector6Macro(CroppingRegion, int);
  vtkGetVector6Macro(CroppingRegion, int);
 
  void Render(vtkRenderer* renderer, vtkImageSlice* prop) override;
 
  void ReleaseGraphicsResources(vtkWindow*) override;
 
  vtkMTimeType GetMTime() override;
 
 
  double* GetBounds() override;
  void GetBounds(double bounds[6]) override { this->vtkAbstractMapper3D::GetBounds(bounds); }
 
  // return the bounds in index space
  void GetIndexBounds(double extent[6]) override;
 
  void GetSlicePlaneInDataCoords(vtkMatrix4x4* propMatrix, double plane[4]) override;
 
  vtkTypeBool ProcessRequest(
    vtkInformation* request, vtkInformationVector** inInfo, vtkInformationVector* outInfo) override;
 
 
  void SetDisplayExtent(const int extent[6])
  {
    this->DisplayExtent[0] = extent[0];
    this->DisplayExtent[1] = extent[1];
    this->DisplayExtent[2] = extent[2];
    this->DisplayExtent[3] = extent[3];
    this->DisplayExtent[4] = extent[4];
    this->DisplayExtent[5] = extent[5];
  }
 
protected:
  vtkImageSliceMapper();
  ~vtkImageSliceMapper() override;
 
  void SetPoints(vtkPoints* points);
  vtkPoints* GetPoints() { return this->Points; }
 
  void SetExactPixelMatch(int v) { this->ExactPixelMatch = (v != 0); }
 
  void SetPassColorData(int v) { this->PassColorData = (v != 0); }
 
  int GetOrientationFromCamera(double const* propMatrix, vtkCamera* camera);
 
  int GetSliceFromCamera(double const* propMatrix, vtkCamera* camera);
 
  static void GetDimensionIndices(int orientation, int& xdim, int& ydim);
 
  int SliceNumber;
  int SliceNumberMinValue;
  int SliceNumberMaxValue;
  int Orientation;
  vtkTypeBool Cropping;
  int CroppingRegion[6];
  int DisplayExtent[6];
  int ExactPixelMatch;
  int PassColorData;
  vtkPoints* Points;
 
private:
  vtkImageSliceMapper(const vtkImageSliceMapper&) = delete;
  void operator=(const vtkImageSliceMapper&) = delete;
 
  friend class vtkImageResliceMapper;
};
 
#endif