dox/Charts/vtkContextTransform.h

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/*=========================================================================

  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.

=========================================================================*/

#ifndef __vtkContextTransform_h
#define __vtkContextTransform_h

#include "vtkAbstractContextItem.h"
#include "vtkSmartPointer.h" // Needed for SP ivars.

class vtkTransform2D;

class VTK_CHARTS_EXPORT vtkContextTransform : public vtkAbstractContextItem
{
public:
  vtkTypeMacro(vtkContextTransform, vtkAbstractContextItem);
  virtual void PrintSelf(ostream &os, vtkIndent indent);

  static vtkContextTransform *New();

  virtual void Update();

  virtual bool Paint(vtkContext2D *painter);

  virtual void Translate(float dx, float dy);

  virtual void Scale(float dx, float dy);

  virtual void Rotate(float angle);

  virtual vtkTransform2D* GetTransform();

  virtual vtkVector2f MapToParent(const vtkVector2f& point);

  virtual vtkVector2f MapFromParent(const vtkVector2f& point);

//BTX
protected:
  vtkContextTransform();
  ~vtkContextTransform();

  vtkSmartPointer<vtkTransform2D> Transform;

private:
  vtkContextTransform(const vtkContextTransform &); // Not implemented.
  void operator=(const vtkContextTransform &);   // Not implemented.
//ETX
};

#endif //__vtkContextTransform_h