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C++

/*=========================================================================
Program: Visualization Toolkit
Module: vtkContextItem.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 vtkContextItem
* @brief base class for items that are part of a vtkContextScene.
*
*
* Derive from this class to create custom items that can be added to a
* vtkContextScene.
*/
#ifndef vtkContextItem_h
#define vtkContextItem_h
#include "vtkAbstractContextItem.h"
#include "vtkRenderingContext2DModule.h" // For export macro
class VTKRENDERINGCONTEXT2D_EXPORT vtkContextItem : public vtkAbstractContextItem
{
public:
vtkTypeMacro(vtkContextItem, vtkAbstractContextItem);
void PrintSelf(ostream& os, vtkIndent indent) override;
//@{
/**
* Get the opacity of the item.
*/
vtkGetMacro(Opacity, double);
//@}
//@{
/**
* Set the opacity of the item.
* 1.0 by default.
*/
vtkSetMacro(Opacity, double);
//@}
protected:
vtkContextItem();
~vtkContextItem() override;
double Opacity;
private:
vtkContextItem(const vtkContextItem&) = delete;
void operator=(const vtkContextItem&) = delete;
};
#endif // vtkContextItem_h