vtkPlotHistogram2D.h

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/*=========================================================================
 
  Program:   Visualization Toolkit
  Module:    vtk2DHistogramItem.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 vtk2DHistogramItem_h
#define vtk2DHistogramItem_h
 
#include "vtkChartsCoreModule.h" // For export macro
#include "vtkPlot.h"
#include "vtkSmartPointer.h"  // Needed for SP ivars
#include "vtkRect.h"          // Needed for vtkRectf
 
class vtkImageData;
class vtkScalarsToColors;
 
class VTKCHARTSCORE_EXPORT vtkPlotHistogram2D : public vtkPlot
{
public:
  vtkTypeMacro(vtkPlotHistogram2D, vtkPlot);
  virtual void PrintSelf(ostream &os, vtkIndent indent);
 
  static vtkPlotHistogram2D *New();
 
  virtual void Update();
 
  virtual bool Paint(vtkContext2D *painter);
 
 
  virtual void SetInputData(vtkImageData *data, vtkIdType z = 0);
  virtual void SetInputData(vtkTable*) { }
  virtual void SetInputData(vtkTable*, const vtkStdString&, const vtkStdString&) { }
 
  vtkImageData * GetInputImageData();
 
  void SetTransferFunction(vtkScalarsToColors *transfer);
 
  vtkScalarsToColors * GetTransferFunction();
 
  virtual void GetBounds(double bounds[4]);
 
  virtual void SetPosition(const vtkRectf& pos);
  virtual vtkRectf GetPosition();
 
//BTX
 
  virtual vtkStdString GetTooltipLabel(const vtkVector2d &plotPos,
                                       vtkIdType seriesIndex,
                                       vtkIdType segmentIndex);
 
 
  virtual vtkIdType GetNearestPoint(const vtkVector2f& point,
                                    const vtkVector2f& tolerance,
                                    vtkVector2f* location);
 
protected:
  vtkPlotHistogram2D();
  ~vtkPlotHistogram2D();
 
  void GenerateHistogram();
 
  vtkSmartPointer<vtkImageData> Input;
  vtkSmartPointer<vtkImageData> Output;
  vtkSmartPointer<vtkScalarsToColors> TransferFunction;
  vtkRectf Position;
 
private:
  vtkPlotHistogram2D(const vtkPlotHistogram2D &); // Not implemented.
  void operator=(const vtkPlotHistogram2D &); // Not implemented.
 
//ETX
};
 
#endif //vtk2DHistogramItem_h