vtkImageStencilData.h

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/*=========================================================================
 
  Program:   Visualization Toolkit
  Module:    vtkImageStencilData.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 vtkImageStencilData_h
#define vtkImageStencilData_h
 
 
#include "vtkImagingCoreModule.h" // For export macro
#include "vtkDataObject.h"
 
class VTKIMAGINGCORE_EXPORT vtkImageStencilData : public vtkDataObject
{
public:
  static vtkImageStencilData *New();
  vtkTypeMacro(vtkImageStencilData, vtkDataObject);
  void PrintSelf(ostream& os, vtkIndent indent);
 
  void Initialize();
  void DeepCopy(vtkDataObject *o);
  void ShallowCopy(vtkDataObject *f);
  void InternalImageStencilDataCopy(vtkImageStencilData *s);
 
  int GetDataObjectType() { return VTK_DATA_OBJECT; }
 
  int GetExtentType() { return VTK_3D_EXTENT; };
 
 
  int GetNextExtent(int &r1, int &r2, int xMin, int xMax,
                    int yIdx, int zIdx, int &iter);
 
  int IsInside(int xIdx, int yIdx, int zIdx);
 
  void InsertNextExtent(int r1, int r2, int yIdx, int zIdx);
 
  void InsertAndMergeExtent(int r1, int r2, int yIdx, int zIdx);
 
  void RemoveExtent(int r1, int r2, int yIdx, int zIdx);
 
 
  vtkSetVector3Macro(Spacing, double);
  vtkGetVector3Macro(Spacing, double);
 
 
  vtkSetVector3Macro(Origin, double);
  vtkGetVector3Macro(Origin, double);
 
 
  void SetExtent(int extent[6]);
  void SetExtent(int x1, int x2, int y1, int y2, int z1, int z2);
  vtkGetVector6Macro(Extent, int);
 
  void AllocateExtents();
 
  void Fill();
 
 
  virtual void CopyInformationFromPipeline(vtkInformation* meta_data);
  virtual void CopyInformationToPipeline(vtkInformation* meta_data);
 
  //BTX
 
  static vtkImageStencilData* GetData(vtkInformation* info);
  static vtkImageStencilData* GetData(vtkInformationVector* v, int i=0);
  //ETX
 
  virtual void Add     ( vtkImageStencilData * );
 
  virtual void Subtract( vtkImageStencilData * );
 
  virtual void Replace( vtkImageStencilData * );
 
  virtual int Clip( int extent[6] );
 
protected:
  vtkImageStencilData();
  ~vtkImageStencilData();
 
  void CopyOriginAndSpacingFromPipeline(vtkInformation* meta_data);
 
  virtual void InternalAdd( vtkImageStencilData * );
 
  void CollapseAdditionalIntersections(int r2, int idx, int *clist,
    int &clistlen);
 
 
  double Spacing[3];
  double Origin[3];
 
  int Extent[6];
 
 
  int NumberOfExtentEntries;
  int *ExtentListLengths;
  int **ExtentLists;
 
private:
  vtkImageStencilData(const vtkImageStencilData&);  // Not implemented.
  void operator=(const vtkImageStencilData&);  // Not implemented.
 
  friend class vtkImageStencilIteratorFriendship;
};
 
//BTX
 
class VTKIMAGINGCORE_EXPORT vtkImageStencilRaster
{
public:
 
  vtkImageStencilRaster(const int wholeExtent[2]);
 
  ~vtkImageStencilRaster();
 
  void PrepareForNewData(const int allocateExtent[2] = 0);
 
 
  void InsertLine(const double p1[2], const double p2[2]);
  VTK_LEGACY(void InsertLine(const double[2], const double[2], bool, bool));
 
 
  void FillStencilData(vtkImageStencilData *data, const int extent[6],
                       int xj = 0, int yj = 1);
 
 
  void SetTolerance(double tol) { this->Tolerance = tol; }
  double GetTolerance() { return this->Tolerance; }
 
protected:
  void PrepareExtent(int ymin, int ymax);
 
  void InsertPoint(int y, double x, int i);
 
  int Extent[2];
  int UsedExtent[2];
  double **Raster;
  double Tolerance;
 
private:
  vtkImageStencilRaster(const vtkImageStencilRaster&);  // Not implemented.
  void operator=(const vtkImageStencilRaster&);  // Not implemented.
};
//ETX
 
#endif