vtkChartHistogram2D.h

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/*=========================================================================

  Program:   Visualization Toolkit
  Module:    vtkChart2DHistogram.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 vtkChartHistogram2D_h
#define vtkChartHistogram2D_h

#include "vtkChartsCoreModule.h" // For export macro
#include "vtkChartXY.h"
#include "vtkSmartPointer.h" // For SP ivars

class vtkColorLegend;
class vtkPlotHistogram2D;
class vtkImageData;
class vtkScalarsToColors;

class VTKCHARTSCORE_EXPORT vtkChartHistogram2D : public vtkChartXY
{
public:
  vtkTypeMacro(vtkChartHistogram2D, vtkChartXY);
  void PrintSelf(ostream &os, vtkIndent indent) override;

  static vtkChartHistogram2D* New();

  void Update() override;

  virtual void SetInputData(vtkImageData *data, vtkIdType z = 0);
  virtual void SetTransferFunction(vtkScalarsToColors *function);

  bool Hit(const vtkContextMouseEvent &mouse) override;

  vtkPlot* GetPlot(vtkIdType index) override;

protected:
  vtkChartHistogram2D();
  ~vtkChartHistogram2D() override;

  vtkSmartPointer<vtkPlotHistogram2D> Histogram;

  vtkTimeStamp BuildTime;

  class Private;
  Private* Storage;

  bool UpdateLayout(vtkContext2D *painter) override;

private:
  vtkChartHistogram2D(const vtkChartHistogram2D &) = delete;
  void operator=(const vtkChartHistogram2D &) = delete;
};

#endif //vtkChartHistogram2D_h