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- // 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) 2018 Intel Corporation
- #include "test_precomp.hpp"
- #include <iostream>
- namespace opencv_test
- {
- TEST(GAPI_Scalar, Argument)
- {
- cv::Size sz(2, 2);
- cv::Mat in_mat(sz, CV_8U);
- cv::randn(in_mat, cv::Scalar::all(127), cv::Scalar::all(40.f));
- cv::GComputationT<cv::GMat (cv::GMat, cv::GScalar)> mulS([](cv::GMat in, cv::GScalar c)
- {
- return in*c;
- });
- cv::Mat out_mat(sz, CV_8U);
- mulS.apply(in_mat, cv::Scalar(2), out_mat);
- cv::Mat reference = in_mat*2;
- EXPECT_EQ(0, cvtest::norm(out_mat, reference, NORM_INF));
- }
- TEST(GAPI_Scalar, ReturnValue)
- {
- const cv::Size sz(2, 2);
- cv::Mat in_mat(sz, CV_8U, cv::Scalar(1));
- cv::GComputationT<cv::GScalar (cv::GMat)> sum_of_sum([](cv::GMat in)
- {
- return cv::gapi::sum(in + in);
- });
- cv::Scalar out;
- sum_of_sum.apply(in_mat, out);
- EXPECT_EQ(8, out[0]);
- }
- TEST(GAPI_Scalar, TmpScalar)
- {
- const cv::Size sz(2, 2);
- cv::Mat in_mat(sz, CV_8U, cv::Scalar(1));
- cv::GComputationT<cv::GMat (cv::GMat)> mul_by_sum([](cv::GMat in)
- {
- return in * cv::gapi::sum(in);
- });
- cv::Mat out_mat(sz, CV_8U);
- mul_by_sum.apply(in_mat, out_mat);
- cv::Mat reference = cv::Mat(sz, CV_8U, cv::Scalar(4));
- EXPECT_EQ(0, cvtest::norm(out_mat, reference, NORM_INF));
- }
- TEST(GAPI_ScalarWithValue, Simple_Arithmetic_Pipeline)
- {
- GMat in;
- GMat out = (in + 1) * 2;
- cv::GComputation comp(in, out);
- cv::Mat in_mat = cv::Mat::eye(3, 3, CV_8UC1);
- cv::Mat ref_mat, out_mat;
- ref_mat = (in_mat + 1) * 2;
- comp.apply(in_mat, out_mat);
- EXPECT_EQ(0, cvtest::norm(out_mat, ref_mat, NORM_INF));
- }
- TEST(GAPI_ScalarWithValue, GScalar_Initilization)
- {
- cv::Scalar sc(2);
- cv::GMat in;
- cv::GScalar s(sc);
- cv::GComputation comp(in, cv::gapi::mulC(in, s));
- cv::Mat in_mat = cv::Mat::eye(3, 3, CV_8UC1);
- cv::Mat ref_mat, out_mat;
- cv::multiply(in_mat, sc, ref_mat, 1, CV_8UC1);
- comp.apply(cv::gin(in_mat), cv::gout(out_mat));
- EXPECT_EQ(0, cvtest::norm(out_mat, ref_mat, NORM_INF));
- }
- TEST(GAPI_ScalarWithValue, Constant_GScalar_In_Middle_Graph)
- {
- cv::Scalar sc(5);
- cv::GMat in1;
- cv::GScalar in2;
- cv::GScalar s(sc);
- auto add_out = cv::gapi::addC(in1, in2);
- cv::GComputation comp(cv::GIn(in1, in2), cv::GOut(cv::gapi::mulC(add_out, s)));
- cv::Mat in_mat = cv::Mat::eye(3, 3, CV_8UC1);
- cv::Scalar in_scalar(3);
- cv::Mat ref_mat, out_mat, add_mat;
- cv::add(in_mat, in_scalar, add_mat);
- cv::multiply(add_mat, sc, ref_mat, 1, CV_8UC1);
- comp.apply(cv::gin(in_mat, in_scalar), cv::gout(out_mat));
- EXPECT_EQ(0, cvtest::norm(out_mat, ref_mat, NORM_INF));
- }
- } // namespace opencv_test
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