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 "vtkRenderingCoreModule.h" // For export macro
#include "vtkImageMapper3D.h"

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 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); };

  void GetSlicePlaneInDataCoords(vtkMatrix4x4 *propMatrix,
                                         double plane[4]) override;

  int ProcessRequest(vtkInformation* request,
                             vtkInformationVector** inInfo,
                             vtkInformationVector* outInfo) override;

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); }


  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]; }

  int GetOrientationFromCamera(vtkMatrix4x4 *propMatrix, vtkCamera *camera);

  int GetSliceFromCamera(vtkMatrix4x4 *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