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89 lines
2.3 KiB
C
89 lines
2.3 KiB
C
3 weeks ago
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/*=========================================================================
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Program: Visualization Toolkit
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Module: vtkChart2DHistogram.h
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Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
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All rights reserved.
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See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
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This software is distributed WITHOUT ANY WARRANTY; without even
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the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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PURPOSE. See the above copyright notice for more information.
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=========================================================================*/
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/**
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* @class vtkChart2DHistogram
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* @brief Chart for 2D histograms.
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*
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*
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* This defines the interface for a 2D histogram chart.
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*/
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#ifndef vtkChartHistogram2D_h
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#define vtkChartHistogram2D_h
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#include "vtkChartXY.h"
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#include "vtkChartsCoreModule.h" // For export macro
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#include "vtkSmartPointer.h" // For SP ivars
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class vtkColorLegend;
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class vtkPlotHistogram2D;
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class vtkImageData;
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class vtkScalarsToColors;
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class VTKCHARTSCORE_EXPORT vtkChartHistogram2D : public vtkChartXY
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{
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public:
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vtkTypeMacro(vtkChartHistogram2D, vtkChartXY);
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void PrintSelf(ostream& os, vtkIndent indent) override;
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/**
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* Creates a 2D histogram chart
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*/
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static vtkChartHistogram2D* New();
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/**
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* Perform any updates to the item that may be necessary before rendering.
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* The scene should take care of calling this on all items before their
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* Paint function is invoked.
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*/
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void Update() override;
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virtual void SetInputData(vtkImageData* data, vtkIdType z = 0);
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virtual void SetTransferFunction(vtkScalarsToColors* function);
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/**
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* Return true if the supplied x, y coordinate is inside the item.
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*/
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bool Hit(const vtkContextMouseEvent& mouse) override;
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/**
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* Get the plot at the specified index, returns null if the index is invalid.
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*/
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vtkPlot* GetPlot(vtkIdType index) override;
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protected:
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vtkChartHistogram2D();
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~vtkChartHistogram2D() override;
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vtkSmartPointer<vtkPlotHistogram2D> Histogram;
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/**
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* The point cache is marked dirty until it has been initialized.
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*/
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vtkTimeStamp BuildTime;
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class Private;
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Private* Storage;
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bool UpdateLayout(vtkContext2D* painter) override;
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private:
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vtkChartHistogram2D(const vtkChartHistogram2D&) = delete;
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void operator=(const vtkChartHistogram2D&) = delete;
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};
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#endif // vtkChartHistogram2D_h
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