// This file is part of OpenCV project.
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// It is subject to the license terms in the LICENSE file found in the top-level directory
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// of this distribution and at http://opencv.org/license.html.
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//
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// Copyright (C) 2018 Intel Corporation
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#ifndef OPENCV_GAPI_GCALL_HPP
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#define OPENCV_GAPI_GCALL_HPP
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#include <opencv2/gapi/garg.hpp> // GArg
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#include <opencv2/gapi/gmat.hpp> // GMat
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#include <opencv2/gapi/gscalar.hpp> // GScalar
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#include <opencv2/gapi/garray.hpp> // GArray<T>
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namespace cv {
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struct GKernel;
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// The whole idea of this class is to represent an operation
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// which is applied to arguments. This is part of public API,
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// since it is what users should use to define kernel interfaces.
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class GAPI_EXPORTS GCall final
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{
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public:
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class Priv;
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explicit GCall(const GKernel &k);
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~GCall();
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template<typename... Ts>
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GCall& pass(Ts&&... args)
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{
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setArgs({cv::GArg(std::move(args))...});
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return *this;
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}
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// A generic yield method - obtain a link to operator's particular GMat output
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GMat yield (int output = 0);
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GMatP yieldP (int output = 0);
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GScalar yieldScalar(int output = 0);
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template<class T> GArray<T> yieldArray(int output = 0)
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{
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return GArray<T>(yieldArray(output));
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}
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// Internal use only
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Priv& priv();
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const Priv& priv() const;
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protected:
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std::shared_ptr<Priv> m_priv;
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void setArgs(std::vector<GArg> &&args);
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// Public version returns a typed array, this one is implementation detail
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detail::GArrayU yieldArray(int output = 0);
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};
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} // namespace cv
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#endif // OPENCV_GAPI_GCALL_HPP
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