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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 | /*=========================================================================
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.
=========================================================================*/
// .NAME vtkContextItem - base class for items that are part of a vtkContextScene.
//
// .SECTION Description
// Derive from this class to create custom items that can be added to a
// vtkContextScene.
#ifndef vtkContextItem_h
#define vtkContextItem_h
#include "vtkRenderingContext2DModule.h" // For export macro
#include "vtkAbstractContextItem.h"
class VTKRENDERINGCONTEXT2D_EXPORT vtkContextItem : public vtkAbstractContextItem
{
public:
vtkTypeMacro(vtkContextItem, vtkAbstractContextItem);
virtual void PrintSelf(ostream &os, vtkIndent indent);
// Description:
// Get the opacity of the item.
vtkGetMacro(Opacity, double);
// Description:
// Set the opacity of the item.
// 1.0 by default.
vtkSetMacro(Opacity, double);
//BTX
protected:
vtkContextItem();
~vtkContextItem();
double Opacity;
private:
vtkContextItem(const vtkContextItem &); // Not implemented.
void operator=(const vtkContextItem &); // Not implemented.
//ETX
};
#endif //vtkContextItem_h
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