vtkPlotHistogram2D.h

Go to the documentation of this file.

/*=========================================================================
 
  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 vtkPlotHistogram2D_h
#define vtkPlotHistogram2D_h
 
#include "vtkChartsCoreModule.h" // For export macro
#include "vtkPlot.h"
#include "vtkRect.h"         // Needed for vtkRectf
#include "vtkSmartPointer.h" // Needed for SP ivars
 
class vtkImageData;
class vtkScalarsToColors;
 
class VTKCHARTSCORE_EXPORT vtkPlotHistogram2D : public vtkPlot
{
public:
  vtkTypeMacro(vtkPlotHistogram2D, vtkPlot);
  void PrintSelf(ostream& os, vtkIndent indent) override;
 
  static vtkPlotHistogram2D* New();
 
  void Update() override;
 
  bool Paint(vtkContext2D* painter) override;
 
  virtual void SetInputData(vtkImageData* data, vtkIdType z = 0);
  void SetInputData(vtkTable*) override {}
  void SetInputData(vtkTable*, const vtkStdString&, const vtkStdString&) override {}
 
  vtkImageData* GetInputImageData();
 
  void SetTransferFunction(vtkScalarsToColors* transfer);
 
  vtkScalarsToColors* GetTransferFunction();
 
  void GetBounds(double bounds[4]) override;
 
  virtual void SetPosition(const vtkRectf& pos);
  virtual vtkRectf GetPosition();
 
  vtkStdString GetTooltipLabel(
    const vtkVector2d& plotPos, vtkIdType seriesIndex, vtkIdType segmentIndex) override;
 
  vtkIdType GetNearestPoint(const vtkVector2f& point, const vtkVector2f& tolerance,
    vtkVector2f* location, vtkIdType* segmentId) override;
  using vtkPlot::GetNearestPoint;
 
protected:
  vtkPlotHistogram2D();
  ~vtkPlotHistogram2D() override;
 
  void GenerateHistogram();
 
  vtkSmartPointer<vtkImageData> Input;
  vtkSmartPointer<vtkImageData> Output;
  vtkSmartPointer<vtkScalarsToColors> TransferFunction;
  vtkRectf Position;
 
private:
  vtkPlotHistogram2D(const vtkPlotHistogram2D&) = delete;
  void operator=(const vtkPlotHistogram2D&) = delete;
};
 
#endif // vtkPlotHistogram2D_h