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