68 lines
1.5 KiB
C++
68 lines
1.5 KiB
C++
|
// This file is part of OpenCV project.
|
||
|
|
// It is subject to the license terms in the LICENSE file found in the top-level directory
|
||
|
|
// of this distribution and at http://opencv.org/license.html.
|
||
|
|
//
|
||
|
|
// Copyright (C) 2021 Intel Corporation
|
||
|
|
|
||
|
|
|
||
|
|
#ifndef OPENCV_GAPI_PYTHON_API_HPP
|
||
|
|
#define OPENCV_GAPI_PYTHON_API_HPP
|
||
|
|
|
||
|
|
#include <opencv2/gapi/gkernel.hpp> // GKernelPackage
|
||
|
|
#include <opencv2/gapi/own/exports.hpp> // GAPI_EXPORTS
|
||
|
|
|
||
|
|
namespace cv {
|
||
|
|
namespace gapi {
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @brief This namespace contains G-API Python backend functions,
|
||
|
|
* structures, and symbols.
|
||
|
|
*
|
||
|
|
* This functionality is required to enable G-API custom operations
|
||
|
|
* and kernels when using G-API from Python, no need to use it in the
|
||
|
|
* C++ form.
|
||
|
|
*/
|
||
|
|
namespace python {
|
||
|
|
|
||
|
|
GAPI_EXPORTS cv::gapi::GBackend backend();
|
||
|
|
|
||
|
|
struct GPythonContext
|
||
|
|
{
|
||
|
|
const cv::GArgs &ins;
|
||
|
|
const cv::GMetaArgs &in_metas;
|
||
|
|
const cv::GTypesInfo &out_info;
|
||
|
|
};
|
||
|
|
|
||
|
|
using Impl = std::function<cv::GRunArgs(const GPythonContext&)>;
|
||
|
|
|
||
|
|
class GAPI_EXPORTS GPythonKernel
|
||
|
|
{
|
||
|
|
public:
|
||
|
|
GPythonKernel() = default;
|
||
|
|
GPythonKernel(Impl run);
|
||
|
|
|
||
|
|
cv::GRunArgs operator()(const GPythonContext& ctx);
|
||
|
|
private:
|
||
|
|
Impl m_run;
|
||
|
|
};
|
||
|
|
|
||
|
|
class GAPI_EXPORTS GPythonFunctor : public cv::gapi::GFunctor
|
||
|
|
{
|
||
|
|
public:
|
||
|
|
using Meta = cv::GKernel::M;
|
||
|
|
|
||
|
|
GPythonFunctor(const char* id, const Meta &meta, const Impl& impl);
|
||
|
|
|
||
|
|
GKernelImpl impl() const override;
|
||
|
|
gapi::GBackend backend() const override;
|
||
|
|
|
||
|
|
private:
|
||
|
|
GKernelImpl impl_;
|
||
|
|
};
|
||
|
|
|
||
|
|
} // namespace python
|
||
|
|
} // namespace gapi
|
||
|
|
} // namespace cv
|
||
|
|
|
||
|
|
#endif // OPENCV_GAPI_PYTHON_API_HPP
|