gls_painter.h

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/*! \file
  \brief The GlsPainter interface

  \par Copyright Information

  Copyright (c) 2018 by The DiSTI Corporation.<br>
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*/
#ifndef INCLUDED_GLS_PAINTER_H
#define INCLUDED_GLS_PAINTER_H

#include "disti_include.h"
#include "gls_cpp_lang_support.h"

namespace disti
{
/** Interface that can be implemented by a class that is the owner of a frame buffer (e.g. DisplayFrame or GlsMimicGroup). 
  * Used to notify the owner of the frame buffer that the conents of the scene has changed and needs to be redrawn.
  */
class GlsPainter
{
public:
    /** Notify the painter that the scene needs to be redrawn */
    virtual void Invalidate() = 0;

protected:
    GlsPainter() {}
    virtual ~GlsPainter() {}

private:
    // Disable copying
    GlsPainter( const GlsPainter& ) DISTI_SPECIAL_MEM_FUN_DELETE;
    void operator=( const GlsPainter& ) DISTI_SPECIAL_MEM_FUN_DELETE;
};
} // namespace disti

#endif