image_input.h

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#ifndef IMAGE_INPUT_H
#define IMAGE_INPUT_H

#include "mimasexception.h"
#include "image.h"

namespace mimas {

template< typename T >
class image_input: public object
{
 public:
  image_input(void): state( true ) {}
  virtual void read( image< T > &img ) throw (mimasexception) = 0;
  operator bool(void) const { return state; }
  bool operator!(void) const { return !state; }
 protected:
  bool state;
};

template< typename T >
inline image_input< T > &operator>>( image_input< T > &input,
                                        image< T > &img )
{ input.read( img ); return input; }



};

#endif

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