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115 lines
3.4 KiB
C++
115 lines
3.4 KiB
C++
/*=========================================================================
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Program: Visualization Toolkit
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Module: vtkPlotPie.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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// .NAME vtkPlotPie - Class for drawing a Pie diagram.
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//
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// .SECTION Description
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#ifndef vtkPlotPie_h
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#define vtkPlotPie_h
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#include "vtkChartsCoreModule.h" // For export macro
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#include "vtkPlot.h"
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#include "vtkSmartPointer.h" // To hold ColorSeries etc.
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class vtkContext2D;
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class vtkColorSeries;
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class vtkPoints2D;
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class vtkPlotPiePrivate;
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class VTKCHARTSCORE_EXPORT vtkPlotPie : public vtkPlot
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{
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public:
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vtkTypeMacro(vtkPlotPie, vtkPlot);
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virtual void PrintSelf(ostream &os, vtkIndent indent);
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static vtkPlotPie *New();
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// Description:
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// Paint event for the item.
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virtual bool Paint(vtkContext2D *painter);
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// Description:
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// Paint legend event for the XY plot, called whenever the legend needs the
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// plot items symbol/mark/line drawn. A rect is supplied with the lower left
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// corner of the rect (elements 0 and 1) and with width x height (elements 2
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// and 3). The plot can choose how to fill the space supplied.
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bool PaintLegend(vtkContext2D *painter, const vtkRectf& rect, int legendIndex);
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// Description:
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// Set the dimensions of the pie, arguments 1 and 2 are the x and y coordinate
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// of the bottom corner. Arguments 3 and 4 are the width and height.
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void SetDimensions(int arg1, int arg2, int arg3, int arg4);
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// Description:
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// Set the dimensions of the pie, elements 0 and 1 are the x and y coordinate
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// of the bottom corner. Elements 2 and 3 are the width and height.
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void SetDimensions(int arg[4]);
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// Description:
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// Get the dimensions of the pie, elements 0 and 1 are the x and y coordinate
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// of the bottom corner. Elements 2 and 3 are the width and height.
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vtkGetVector4Macro(Dimensions, int);
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// Description:
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// Set the color series to use for the Pie.
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void SetColorSeries(vtkColorSeries *colorSeries);
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// Description:
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// Get the color series used.
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vtkColorSeries *GetColorSeries();
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//BTX
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// Description:
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// Function to query a plot for the nearest point to the specified coordinate.
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// Returns the index of the data series with which the point is associated or
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// -1.
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virtual vtkIdType GetNearestPoint(const vtkVector2f& point,
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const vtkVector2f& tolerance,
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vtkVector2f* location);
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protected:
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vtkPlotPie();
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~vtkPlotPie();
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// Description:
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// Update the table cache.
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bool UpdateTableCache(vtkTable *table);
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int Dimensions[4];
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// Description:
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// The color series to use for the pie.
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vtkSmartPointer<vtkColorSeries> ColorSeries;
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// Description:
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// Store a well packed set of angles for the wedges of the pie.
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vtkPoints2D *Points;
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// Description:
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// The point cache is marked dirty until it has been initialized.
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vtkTimeStamp BuildTime;
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private:
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vtkPlotPie(const vtkPlotPie &); // Not implemented.
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void operator=(const vtkPlotPie &); // Not implemented.
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vtkPlotPiePrivate *Private;
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//ETX
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};
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#endif //vtkPlotPie_h
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