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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, all rights reserved.
// Third party copyrights are property of their respective owners.
#include "test_precomp.hpp"
namespace opencv_test { namespace {
static
Mat getReference_DrawKeypoint(int cn)
{
static Mat ref = (Mat_<uint8_t>(11, 11) <<
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 15, 54, 15, 1, 1, 1, 1,
1, 1, 1, 76, 217, 217, 221, 81, 1, 1, 1,
1, 1, 100, 224, 111, 57, 115, 225, 101, 1, 1,
1, 44, 215, 100, 1, 1, 1, 101, 214, 44, 1,
1, 54, 212, 57, 1, 1, 1, 55, 212, 55, 1,
1, 40, 215, 104, 1, 1, 1, 105, 215, 40, 1,
1, 1, 102, 221, 111, 55, 115, 222, 103, 1, 1,
1, 1, 1, 76, 218, 217, 220, 81, 1, 1, 1,
1, 1, 1, 1, 15, 55, 15, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1);
Mat res;
cvtColor(ref, res, (cn == 4) ? COLOR_GRAY2BGRA : COLOR_GRAY2BGR);
return res;
}
typedef testing::TestWithParam<MatType> Features2D_drawKeypoints;
TEST_P(Features2D_drawKeypoints, Accuracy)
{
const int cn = CV_MAT_CN(GetParam());
Mat inpImg(11, 11, GetParam(), Scalar(1, 1, 1, 255)), outImg;
std::vector<KeyPoint> keypoints(1, KeyPoint(5, 5, 1));
drawKeypoints(inpImg, keypoints, outImg, Scalar::all(255));
ASSERT_EQ(outImg.channels(), (cn == 4) ? 4 : 3);
Mat ref_ = getReference_DrawKeypoint(cn);
EXPECT_EQ(0, cv::norm(outImg, ref_, NORM_INF));
}
INSTANTIATE_TEST_CASE_P(/**/, Features2D_drawKeypoints, Values(CV_8UC1, CV_8UC3, CV_8UC4));
typedef testing::TestWithParam<tuple<MatType, MatType> > Features2D_drawMatches;
TEST_P(Features2D_drawMatches, Accuracy)
{
Mat inpImg1(11, 11, get<0>(GetParam()), Scalar(1, 1, 1, 255));
Mat inpImg2(11, 11, get<1>(GetParam()), Scalar(2, 2, 2, 255)), outImg2, outImg;
std::vector<KeyPoint> keypoints(1, KeyPoint(5, 5, 1));
// Get outImg2 using drawKeypoints assuming that it works correctly (see the test above).
drawKeypoints(inpImg2, keypoints, outImg2, Scalar::all(255));
ASSERT_EQ(outImg2.channels(), (inpImg2.channels() == 4) ? 4 : 3);
// Merge both references.
const int cn = max(3, max(inpImg1.channels(), inpImg2.channels()));
if (cn == 4 && outImg2.channels() == 3)
cvtColor(outImg2, outImg2, COLOR_BGR2BGRA);
Mat ref_ = getReference_DrawKeypoint(cn);
Mat concattedRef;
hconcat(ref_, outImg2, concattedRef);
std::vector<DMatch> matches;
drawMatches(inpImg1, keypoints, inpImg2, keypoints, matches, outImg,
Scalar::all(255), Scalar::all(255));
ASSERT_EQ(outImg.channels(), cn);
EXPECT_EQ(0, cv::norm(outImg, concattedRef, NORM_INF));
}
INSTANTIATE_TEST_CASE_P(/**/, Features2D_drawMatches, Combine(
Values(CV_8UC1, CV_8UC3, CV_8UC4),
Values(CV_8UC1, CV_8UC3, CV_8UC4)
));
}} // namespace