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nmWTAI-Platform/3rd/VTK7.1/include/vtkPlotPie.h

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C++

/*=========================================================================
Program: Visualization Toolkit
Module: vtkPlotPie.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.
=========================================================================*/
/**
* @class vtkPlotPie
* @brief Class for drawing a Pie diagram.
*
*
*/
#ifndef vtkPlotPie_h
#define vtkPlotPie_h
#include "vtkChartsCoreModule.h" // For export macro
#include "vtkPlot.h"
#include "vtkSmartPointer.h" // To hold ColorSeries etc.
class vtkContext2D;
class vtkColorSeries;
class vtkPoints2D;
class vtkPlotPiePrivate;
class VTKCHARTSCORE_EXPORT vtkPlotPie : public vtkPlot
{
public:
vtkTypeMacro(vtkPlotPie, vtkPlot);
virtual void PrintSelf(ostream &os, vtkIndent indent);
static vtkPlotPie *New();
/**
* Paint event for the item.
*/
virtual bool Paint(vtkContext2D *painter);
/**
* Paint legend event for the XY plot, called whenever the legend needs the
* plot items symbol/mark/line drawn. A rect is supplied with the lower left
* corner of the rect (elements 0 and 1) and with width x height (elements 2
* and 3). The plot can choose how to fill the space supplied.
*/
bool PaintLegend(vtkContext2D *painter, const vtkRectf& rect, int legendIndex);
/**
* Set the dimensions of the pie, arguments 1 and 2 are the x and y coordinate
* of the bottom corner. Arguments 3 and 4 are the width and height.
*/
void SetDimensions(int arg1, int arg2, int arg3, int arg4);
/**
* Set the dimensions of the pie, elements 0 and 1 are the x and y coordinate
* of the bottom corner. Elements 2 and 3 are the width and height.
*/
void SetDimensions(int arg[4]);
//@{
/**
* Get the dimensions of the pie, elements 0 and 1 are the x and y coordinate
* of the bottom corner. Elements 2 and 3 are the width and height.
*/
vtkGetVector4Macro(Dimensions, int);
//@}
/**
* Set the color series to use for the Pie.
*/
void SetColorSeries(vtkColorSeries *colorSeries);
/**
* Get the color series used.
*/
vtkColorSeries *GetColorSeries();
/**
* Function to query a plot for the nearest point to the specified coordinate.
* Returns the index of the data series with which the point is associated or
* -1.
*/
virtual vtkIdType GetNearestPoint(const vtkVector2f& point,
const vtkVector2f& tolerance,
vtkVector2f* location);
protected:
vtkPlotPie();
~vtkPlotPie();
/**
* Update the table cache.
*/
bool UpdateTableCache(vtkTable *table);
int Dimensions[4];
/**
* The color series to use for the pie.
*/
vtkSmartPointer<vtkColorSeries> ColorSeries;
/**
* Store a well packed set of angles for the wedges of the pie.
*/
vtkPoints2D *Points;
/**
* The point cache is marked dirty until it has been initialized.
*/
vtkTimeStamp BuildTime;
private:
vtkPlotPie(const vtkPlotPie &) VTK_DELETE_FUNCTION;
void operator=(const vtkPlotPie &) VTK_DELETE_FUNCTION;
vtkPlotPiePrivate *Private;
};
#endif //vtkPlotPie_h