vpFrameGrabber.h

/*
 * ViSP, open source Visual Servoing Platform software.
 * Copyright (C) 2005 - 2025 by Inria. All rights reserved.
 *
 * This software is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 * See the file LICENSE.txt at the root directory of this source
 * distribution for additional information about the GNU GPL.
 *
 * For using ViSP with software that can not be combined with the GNU
 * GPL, please contact Inria about acquiring a ViSP Professional
 * Edition License.
 *
 * See https://visp.inria.fr for more information.
 *
 * This software was developed at:
 * Inria Rennes - Bretagne Atlantique
 * Campus Universitaire de Beaulieu
 * 35042 Rennes Cedex
 * France
 *
 * If you have questions regarding the use of this file, please contact
 * Inria at visp@inria.fr
 *
 * This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
 * WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
 *
 * Description:
 * Frame grabbing.
 */

 
#ifndef VP_FRAME_GRABBER_H
#define VP_FRAME_GRABBER_H
 
#include <visp3/core/vpConfig.h>
#include <visp3/core/vpImage.h>
#include <visp3/core/vpRGBa.h>
 
BEGIN_VISP_NAMESPACE
class VISP_EXPORT vpFrameGrabber
{
public:
  bool init; 
 
public:

  unsigned int getHeight() const;
  unsigned int getWidth() const;
 
public:
  vpFrameGrabber() : init(false), height(0), width(0) { }
 
#if (VISP_CXX_STANDARD > VISP_CXX_STANDARD_98)
  vpFrameGrabber(const vpFrameGrabber &) = default;
  virtual ~vpFrameGrabber() = default;
#else
  virtual ~vpFrameGrabber() { }
#endif
  virtual void open(vpImage<unsigned char> &I) = 0;
  virtual void open(vpImage<vpRGBa> &I) = 0;
 
  virtual void acquire(vpImage<unsigned char> &I) = 0;
  virtual void acquire(vpImage<vpRGBa> &I) = 0;

  virtual void close() = 0;
 
#if (VISP_CXX_STANDARD > VISP_CXX_STANDARD_98)
  vpFrameGrabber &operator=(const vpFrameGrabber &) = default;
#endif
 
protected:
  unsigned int height; 
  unsigned int width;  
};
END_VISP_NAMESPACE
#endif