text: /*=========================================================================
  
    Program:   Visualization Toolkit
    Module:    vtkMapper2D.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   vtkMapper2D
   * @brief   abstract class specifies interface for objects which render 2D actors
   *
   * vtkMapper2D is an abstract class which defines the interface for objects
   * which render two dimensional actors (vtkActor2D).
   *
   * @sa
   * vtkActor2D
  */
  
  #ifndef vtkMapper2D_h
  #define vtkMapper2D_h
  
  #include "vtkRenderingCoreModule.h" // For export macro
  #include "vtkAbstractMapper.h"
  
  class vtkViewport;
  class vtkActor2D;
  
  class VTKRENDERINGCORE_EXPORT vtkMapper2D : public vtkAbstractMapper
  {
  public:
    vtkTypeMacro(vtkMapper2D, vtkAbstractMapper);
    void PrintSelf(ostream& os, vtkIndent indent);
  
    virtual void RenderOverlay(vtkViewport*, vtkActor2D*) {}
    virtual void RenderOpaqueGeometry(vtkViewport*, vtkActor2D*) {}
    virtual void RenderTranslucentPolygonalGeometry(vtkViewport*, vtkActor2D*) {}
    virtual int HasTranslucentPolygonalGeometry() { return 0; }
  
  protected:
    vtkMapper2D() {}
    ~vtkMapper2D() {}
  
  private:
    vtkMapper2D(const vtkMapper2D&) VTK_DELETE_FUNCTION;
    void operator=(const vtkMapper2D&) VTK_DELETE_FUNCTION;
  };
  
  #endif
  