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// Copyright (c) 2004 Intel Corporation 
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#if !defined _INCLUDED_CANNY_H
#define _INCLUDED_CANNY_H

#include "stdafx.h"
#include <ipp.h>

#include "Image.h"
#include "filter.h"
#include "localbuffer.h"

class Canny : public Filter
{
	private:
		Ipp32f lowThresh_, highThresh_;
		LocalBuffer buf_;

	protected:
		virtual int Go_(const Ipp8u* pSrc, int srcStep,
			Ipp8u* pDst, int dstStep,
			IppiSize dstROISize, int nChannels);

	public:
		void SetThresholds(Ipp32f low, Ipp32f high)
		{ lowThresh_ = low; highThresh_ = high; }

		virtual IppiSize GetKernelSize() const;
		virtual IppiPoint GetAnchor() const;
};

#endif