CannyEdges2dImgLvl3.h

// CannyEdges2dImgLvl3.h:
// ----------------------
//

#ifndef __IPSDKIPLFEATUREDETECTION_CANNYEDGES2DIMGLVL3_H__
#define __IPSDKIPLFEATUREDETECTION_CANNYEDGES2DIMGLVL3_H__

#include <IPSDKIPL/IPSDKIPLFeatureDetection/IPSDKIPLFeatureDetectionExports.h>
#include <IPSDKImageProcessing/Algorithm/ImageProcessingAlgorithmHdrMacros.h>

// Attributes headers
#include <IPSDKIPL/IPSDKIPLAttributes/Attribute/Strip/YStrip2d/OutYStrip2d.h>
#include <IPSDKIPL/IPSDKIPLAttributes/Attribute/Strip/YStrip2dWithKernel/InGxKnlYStrip2d.h>
#include <IPSDKIPL/IPSDKIPLAttributes/Attribute/Strip/YStrip2dWithKernel/InGyKnlYStrip2d.h>
#include <IPSDKIPL/IPSDKIPLAttributes/Attribute/DataItem/InCannyThresholds.h>

namespace ipsdk {
namespace imaproc {
namespace fd {


// declare processing algorithm
IPSDK_DECLARE_PROCESSING_ALGORITHM(IPSDKIPLFeatureDetection, CannyEdges2dImg,
                                   ipsdk::processor::none(),
                                   (((ipsdk)(imaproc)(attr))(InGxKnlYStrip2d))
                                   (((ipsdk)(imaproc)(attr))(InGyKnlYStrip2d))
                                   (((ipsdk)(imaproc)(attr))(InCannyThresholds))
                                   (((ipsdk)(imaproc)(attr))(OutYStrip2d)))

    // implementation of image processing data identifier retrieval method
    // for function selector usage
    IPSDK_DECLARE_ALGORITHM_FUNCTION_SELECTOR(((STRIP)(InGxKnlYStrip2d)));
    
    // declaration of parsed data during processing
    IPSDK_DECLARE_ALGORITHM_PARSED_DATA(((LINESTRIP)(InGxKnlYStrip2d))
                                        ((LINESTRIP)(InGyKnlYStrip2d))
                                        ((LINESTRIP)(OutYStrip2d)));

// methods
public:

protected:
    template <typename BufInType,
              ipsdk::eInstructionSet::domain IS>
    ipsdk::BoolResult       genericProcessFunction(const ipsdk::processor::ProcessingInfo& info);

    template <typename BufInType, typename GradientMagT, ipsdk::eInstructionSet::domain IS>
    ipsdk::BoolResult       processFunction(const ipsdk::processor::ProcessingInfo& info);

    template <typename T, ipsdk::eInstructionSet::domain IS>
    void applySobel_yOp(
        const FragHybridBufferPtr& pGxSepX,
        const FragHybridBufferPtr& pGySepX,
        ipUInt32 nFirstRowIdx,
        T* pGxBuf,
        T* pGyBuf,
        ipUInt64 nbElts);

    template <typename BufInType, typename MagT, ipsdk::eInstructionSet::domain IS>
    void computeGradientMagnitudeSquare(
        const FragHybridBufferPtr& pGMag,
        const ipsdk::processor::ProcessingInfo& info);

    core::ExecResult preProcess();

// attributes
protected:
    FragHybridBufferPtr             _pGMagnitudeInitial;
    FragHybridBufferPtr             _pGMagnitudeMain;
    FragHybridBufferPtr             _pGMagnitudeFinal;
};


} // end of namespace fd
} // end of namespace imaproc
} // end of namespace ipsdk

#endif // __IPSDKIPLFEATUREDETECTION_CANNYEDGES2DIMGLVL3_H__