//////////////////////////////////////////////////////////////////////////////////
// Name:      actIAlgorithm.h
// Product:   cv act library
// Purpose:   IAlgorithm is an abstract base. All concrete algorithm-classes are
//            derived from IAlgorithm.
//
// Copyright: (c) 2000 cv cryptovision GmbH
//            all rights reserved
// Licence:   The conditions for the use of this software are regulated 
//            in the cv act library licence agreement.
//////////////////////////////////////////////////////////////////////////////////

#ifndef ACT_IAlgorithm_h
#define ACT_IAlgorithm_h

#include "actBasics.h"

namespace act
{
	class Blob;

	class IAlgorithm
	{
	public:
		virtual ~IAlgorithm() { }

		virtual void Write(const Blob& input) = 0;
		virtual void Write(const byte* input, size_t insize) = 0;
		virtual void Finalize() = 0;
		virtual size_t GetAvailableSize() const = 0;
		virtual size_t Read(Blob& output, size_t max = 0) = 0;
		virtual size_t Read(byte* outbuffer, size_t buffersize) = 0;
		virtual status_t GetStatus() const = 0;
	};

} // namespace act

#endif // ACT_IAlgorithm_h