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d7540c9a3c
G-API: Doxygen class reference * G-API Doxygen documentation: covered cv::GComputation * G-API Doxygen documentation: added sections on compile arguments * G-API Doxygen documentation: restructuring & more text * Added new sections (organized API reference into it); * Documented GCompiled, compile args, backends, etc. * G-API Doxygen documentation: documented GKernelPackage and added group for meta
83 lines
2.6 KiB
C++
83 lines
2.6 KiB
C++
#include <opencv2/videoio.hpp>
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#include <opencv2/highgui.hpp>
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#include <opencv2/gapi.hpp>
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#include <opencv2/gapi/core.hpp>
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#include <opencv2/gapi/imgproc.hpp>
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#include <opencv2/gapi/cpu/gcpukernel.hpp>
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#include <opencv2/gapi/fluid/core.hpp>
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#include <opencv2/gapi/fluid/imgproc.hpp>
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G_TYPED_KERNEL(IAdd, <cv::GMat(cv::GMat)>, "test.custom.add") {
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static cv::GMatDesc outMeta(const cv::GMatDesc &in) { return in; }
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};
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G_TYPED_KERNEL(IFilter2D, <cv::GMat(cv::GMat)>, "test.custom.filter2d") {
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static cv::GMatDesc outMeta(const cv::GMatDesc &in) { return in; }
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};
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G_TYPED_KERNEL(IRGB2YUV, <cv::GMat(cv::GMat)>, "test.custom.add") {
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static cv::GMatDesc outMeta(const cv::GMatDesc &in) { return in; }
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};
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GAPI_OCV_KERNEL(CustomAdd, IAdd) { static void run(cv::Mat, cv::Mat &) {} };
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GAPI_OCV_KERNEL(CustomFilter2D, IFilter2D) { static void run(cv::Mat, cv::Mat &) {} };
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GAPI_OCV_KERNEL(CustomRGB2YUV, IRGB2YUV) { static void run(cv::Mat, cv::Mat &) {} };
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int main(int argc, char *argv[])
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{
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if (argc < 3)
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return -1;
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cv::Mat input = cv::imread(argv[1]);
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cv::Mat output;
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{
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//! [graph_def]
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cv::GMat in;
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cv::GMat gx = cv::gapi::Sobel(in, CV_32F, 1, 0);
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cv::GMat gy = cv::gapi::Sobel(in, CV_32F, 0, 1);
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cv::GMat g = cv::gapi::sqrt(cv::gapi::mul(gx, gx) + cv::gapi::mul(gy, gy));
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cv::GMat out = cv::gapi::convertTo(g, CV_8U);
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//! [graph_def]
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//! [graph_decl_apply]
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//! [graph_cap_full]
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cv::GComputation sobelEdge(cv::GIn(in), cv::GOut(out));
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//! [graph_cap_full]
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sobelEdge.apply(input, output);
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//! [graph_decl_apply]
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//! [apply_with_param]
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cv::gapi::GKernelPackage kernels = cv::gapi::combine
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(cv::gapi::core::fluid::kernels(),
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cv::gapi::imgproc::fluid::kernels(),
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cv::unite_policy::KEEP);
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sobelEdge.apply(input, output, cv::compile_args(kernels));
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//! [apply_with_param]
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//! [graph_cap_sub]
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cv::GComputation sobelEdgeSub(cv::GIn(gx, gy), cv::GOut(out));
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//! [graph_cap_sub]
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}
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//! [graph_gen]
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cv::GComputation sobelEdgeGen([](){
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cv::GMat in;
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cv::GMat gx = cv::gapi::Sobel(in, CV_32F, 1, 0);
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cv::GMat gy = cv::gapi::Sobel(in, CV_32F, 0, 1);
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cv::GMat g = cv::gapi::sqrt(cv::gapi::mul(gx, gx) + cv::gapi::mul(gy, gy));
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cv::GMat out = cv::gapi::convertTo(g, CV_8U);
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return cv::GComputation(in, out);
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});
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//! [graph_gen]
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cv::imwrite(argv[2], output);
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//! [kernels_snippet]
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cv::gapi::GKernelPackage pkg = cv::gapi::kernels
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< CustomAdd
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, CustomFilter2D
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, CustomRGB2YUV
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>();
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//! [kernels_snippet]
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return 0;
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}
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