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88 lines
2.4 KiB
C
88 lines
2.4 KiB
C
3 weeks ago
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/*=========================================================================
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Program: Visualization Toolkit
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Module: vtkInteractorStyleDrawPolygon.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 vtkInteractorStyleDrawPolygon
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* @brief draw polygon during mouse move
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*
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* This interactor style allows the user to draw a polygon in the render
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* window using the left mouse button while mouse is moving.
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* When the mouse button is released, a SelectionChangedEvent will be fired.
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*/
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#ifndef vtkInteractorStyleDrawPolygon_h
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#define vtkInteractorStyleDrawPolygon_h
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#include "vtkInteractionStyleModule.h" // For export macro
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#include "vtkInteractorStyle.h"
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#include "vtkVector.h" // For Polygon Points
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#include <vector> // For returning Polygon Points
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class vtkUnsignedCharArray;
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class VTKINTERACTIONSTYLE_EXPORT vtkInteractorStyleDrawPolygon : public vtkInteractorStyle
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{
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public:
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static vtkInteractorStyleDrawPolygon* New();
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vtkTypeMacro(vtkInteractorStyleDrawPolygon, vtkInteractorStyle);
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void PrintSelf(ostream& os, vtkIndent indent) override;
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//@{
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/**
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* Event bindings
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*/
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void OnMouseMove() override;
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void OnLeftButtonDown() override;
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void OnLeftButtonUp() override;
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//@}
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//@{
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/**
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* Whether to draw polygon in screen pixels. Default is ON
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*/
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vtkSetMacro(DrawPolygonPixels, bool);
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vtkGetMacro(DrawPolygonPixels, bool);
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vtkBooleanMacro(DrawPolygonPixels, bool);
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//@}
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/**
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* Get the current polygon points in display units
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*/
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std::vector<vtkVector2i> GetPolygonPoints();
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protected:
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vtkInteractorStyleDrawPolygon();
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~vtkInteractorStyleDrawPolygon() override;
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virtual void DrawPolygon();
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int StartPosition[2];
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int EndPosition[2];
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int Moving;
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bool DrawPolygonPixels;
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vtkUnsignedCharArray* PixelArray;
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private:
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vtkInteractorStyleDrawPolygon(const vtkInteractorStyleDrawPolygon&) = delete;
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void operator=(const vtkInteractorStyleDrawPolygon&) = delete;
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class vtkInternal;
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vtkInternal* Internal;
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};
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#endif
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