vtkImageMapper3D.h

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/*=========================================================================
 
  Program:   Visualization Toolkit
  Module:    vtkImageMapper3D.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 vtkImageMapper3D_h
#define vtkImageMapper3D_h
 
#include "vtkRenderingCoreModule.h" // For export macro
#include "vtkAbstractMapper3D.h"
 
class vtkRenderer;
class vtkProp3D;
class vtkPoints;
class vtkMatrix4x4;
class vtkLookupTable;
class vtkScalarsToColors;
class vtkImageSlice;
class vtkImageProperty;
class vtkImageData;
class vtkMultiThreader;
class vtkImageToImageMapper3DFriendship;
 
class VTKRENDERINGCORE_EXPORT vtkImageMapper3D : public vtkAbstractMapper3D
{
public:
  vtkTypeMacro(vtkImageMapper3D, vtkAbstractMapper3D);
  void PrintSelf(ostream& os, vtkIndent indent);
 
  virtual void Render(vtkRenderer *renderer, vtkImageSlice *prop) = 0;
 
  virtual void ReleaseGraphicsResources(vtkWindow *) = 0;
 
 
  void SetInputData(vtkImageData *input);
  vtkImageData *GetInput();
  vtkDataSet *GetDataSetInput();
  vtkDataObject *GetDataObjectInput();
 
 
  vtkSetMacro(Border, int);
  vtkBooleanMacro(Border, int);
  vtkGetMacro(Border, int);
 
 
  vtkSetMacro(Background, int);
  vtkBooleanMacro(Background, int);
  vtkGetMacro(Background, int);
 
 
  vtkSetMacro(SliceAtFocalPoint, int);
  vtkBooleanMacro(SliceAtFocalPoint, int);
  vtkGetMacro(SliceAtFocalPoint, int);
 
 
  vtkSetMacro(SliceFacesCamera, int);
  vtkBooleanMacro(SliceFacesCamera, int);
  vtkGetMacro(SliceFacesCamera, int);
 
 
  vtkGetObjectMacro(SlicePlane, vtkPlane);
 
 
  virtual void GetSlicePlaneInDataCoords(vtkMatrix4x4 *propMatrix,
                                         double plane[4]);
 
 
  vtkSetClampMacro(NumberOfThreads, int, 1, VTK_MAX_THREADS);
  vtkGetMacro(NumberOfThreads, int);
 
 
  vtkSetMacro(Streaming, int);
  vtkGetMacro(Streaming, int);
  vtkBooleanMacro(Streaming, int);
 
protected:
  vtkImageMapper3D();
  ~vtkImageMapper3D();
 
 
  virtual int FillInputPortInformation(int port, vtkInformation* info);
  virtual int FillOutputPortInformation(int port, vtkInformation* info);
 
 
  virtual int ProcessRequest(vtkInformation* request,
                             vtkInformationVector** inInfo,
                             vtkInformationVector* outInfo);
 
 
  static void CheckerboardRGBA(
    unsigned char *data, int xsize, int ysize,
    double originx, double originy, double spacingx, double spacingy);
 
 
  unsigned char *MakeTextureData(
    vtkImageProperty *property, vtkImageData *input, int extent[6],
    int &xsize, int &ysize, int &bytesPerPixel, bool &reuseTexture,
    bool &reuseData);
 
 
  void MakeTextureGeometry(
    const int extent[6], double coords[12], double tcoords[8]);
 
 
  virtual void ComputeTextureSize(
    const int extent[6], int &xdim, int &ydim,
    int imageSize[2], int textureSize[2]);
 
  vtkRenderer *GetCurrentRenderer();
 
  vtkImageSlice *GetCurrentProp() { return this->CurrentProp; }
 
  vtkMatrix4x4 *GetDataToWorldMatrix();
 
  void GetBackgroundColor(vtkImageProperty *property, double color[4]);
 
  int Border;
  int Background;
  vtkScalarsToColors *DefaultLookupTable;
  vtkMultiThreader *Threader;
  int NumberOfThreads;
  int Streaming;
 
  // The slice.
  vtkPlane *SlicePlane;
  int SliceAtFocalPoint;
  int SliceFacesCamera;
 
  // Information about the image, updated by UpdateInformation
  double DataSpacing[3];
  double DataOrigin[3];
  int DataWholeExtent[6];
 
  // Set by vtkImageStack when doing multi-pass rendering
  bool MatteEnable;
  bool ColorEnable;
  bool DepthEnable;
 
private:
  // The prop this mapper is attached to, or zero if none.
  vtkImageSlice *CurrentProp;
  vtkRenderer *CurrentRenderer;
 
  // The cached data-to-world matrix
  vtkMatrix4x4 *DataToWorldMatrix;
 
  vtkImageMapper3D(const vtkImageMapper3D&);  // Not implemented.
  void operator=(const vtkImageMapper3D&);  // Not implemented.
 
  friend class vtkImageToImageMapper3DFriendship;
};
 
#endif