www.pudn.com > firev0.01.rar > basefeature.hpp

/*
This file is part of the FIRE -- Flexible Image Retrieval System

FIRE 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.

FIRE is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with FIRE; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
*/
#ifndef __basefeature_hpp
#define __basefeature_hpp

/** abstract basic feature class.
 *
 * within this class everything is abstract and it only provides an
 * interface.
 */
#include 
#include 
#include 
#include 

template
class BaseFeature {
public:
  virtual ~BaseFeature() {};

  ///read-only access to the data.
  virtual const T operator[](const unsigned int a) const=0;
  
  /** give the dimension of this feature 
   * @return the dimension of this feature
   */
  virtual const unsigned int size() const=0;

};
  /**
   * Print the Feature to a stream.
   *
   */
  
  template
  inline std::ostream& operator<<(std::ostream& os, const BaseFeature & src) {
    for(unsigned int y=0;y