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https://github.com/opencv/opencv.git
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1aff378ae8
Added checks for all of vertices from each contour instead of checking only for the first vertex.
261 lines
8.8 KiB
C++
261 lines
8.8 KiB
C++
// 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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#include "test_precomp.hpp"
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namespace opencv_test { namespace {
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TEST(Imgproc_IntersectConvexConvex, no_intersection)
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{
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std::vector<cv::Point> convex1;
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convex1.push_back(cv::Point(290, 126));
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convex1.push_back(cv::Point(284, 132));
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convex1.push_back(cv::Point(281, 133));
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convex1.push_back(cv::Point(256, 124));
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convex1.push_back(cv::Point(249, 116));
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convex1.push_back(cv::Point(234, 91));
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convex1.push_back(cv::Point(232, 86));
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convex1.push_back(cv::Point(232, 79));
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convex1.push_back(cv::Point(251, 69));
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convex1.push_back(cv::Point(257, 68));
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convex1.push_back(cv::Point(297, 85));
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convex1.push_back(cv::Point(299, 87));
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std::vector<cv::Point> convex2;
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convex2.push_back(cv::Point(192, 236));
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convex2.push_back(cv::Point(190, 245));
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convex2.push_back(cv::Point(177, 260));
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convex2.push_back(cv::Point(154, 271));
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convex2.push_back(cv::Point(142, 270));
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convex2.push_back(cv::Point(135, 263));
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convex2.push_back(cv::Point(131, 254));
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convex2.push_back(cv::Point(132, 240));
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convex2.push_back(cv::Point(172, 213));
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convex2.push_back(cv::Point(176, 216));
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std::vector<cv::Point> intersection;
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float area = cv::intersectConvexConvex(convex1, convex2, intersection);
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EXPECT_TRUE(intersection.empty());
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EXPECT_NEAR(area, 0, std::numeric_limits<float>::epsilon());
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}
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TEST(Imgproc_IntersectConvexConvex, no_intersection_with_1_vertex_on_edge_1)
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{
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std::vector<cv::Point> convex1;
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convex1.push_back(cv::Point(0,0));
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convex1.push_back(cv::Point(740, 0));
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convex1.push_back(cv::Point(740, 540));
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convex1.push_back(cv::Point(0, 540));
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std::vector<cv::Point> convex2;
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convex2.push_back(cv::Point(0, 210));
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convex2.push_back(cv::Point(-30, 210));
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convex2.push_back(cv::Point(-37, 170));
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convex2.push_back(cv::Point(-7, 172));
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std::vector<cv::Point> intersection;
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float area = cv::intersectConvexConvex(convex1, convex2, intersection);
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EXPECT_TRUE(intersection.empty());
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EXPECT_NEAR(area, 0, std::numeric_limits<float>::epsilon());
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}
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TEST(Imgproc_IntersectConvexConvex, no_intersection_with_1_vertex_on_edge_2)
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{
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std::vector<cv::Point> convex1;
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convex1.push_back(cv::Point(0,0));
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convex1.push_back(cv::Point(740, 0));
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convex1.push_back(cv::Point(740, 540));
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convex1.push_back(cv::Point(0, 540));
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std::vector<cv::Point> convex2;
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convex2.push_back(cv::Point(740, 210));
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convex2.push_back(cv::Point(750, 100));
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convex2.push_back(cv::Point(790, 250));
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convex2.push_back(cv::Point(800, 500));
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std::vector<cv::Point> intersection;
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float area = cv::intersectConvexConvex(convex1, convex2, intersection);
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EXPECT_TRUE(intersection.empty());
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EXPECT_NEAR(area, 0, std::numeric_limits<float>::epsilon());
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}
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TEST(Imgproc_IntersectConvexConvex, intersection_with_1_vertex_on_edge)
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{
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std::vector<cv::Point> convex1;
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convex1.push_back(cv::Point(0,0));
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convex1.push_back(cv::Point(740, 0));
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convex1.push_back(cv::Point(740, 540));
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convex1.push_back(cv::Point(0, 540));
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std::vector<cv::Point> convex2;
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convex2.push_back(cv::Point(30, 210));
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convex2.push_back(cv::Point(0,210));
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convex2.push_back(cv::Point(7, 172));
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convex2.push_back(cv::Point(37, 170));
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std::vector<cv::Point> intersection;
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float area = cv::intersectConvexConvex(convex1, convex2, intersection);
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std::vector<cv::Point> expected_intersection;
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expected_intersection.push_back(cv::Point(0, 210));
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expected_intersection.push_back(cv::Point(7, 172));
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expected_intersection.push_back(cv::Point(37, 170));
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expected_intersection.push_back(cv::Point(30, 210));
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EXPECT_EQ(intersection, expected_intersection);
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EXPECT_NEAR(area, 1163, std::numeric_limits<float>::epsilon());
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}
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TEST(Imgproc_IntersectConvexConvex, intersection_with_2_vertices_on_edge)
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{
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std::vector<cv::Point> convex1;
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convex1.push_back(cv::Point(0,0));
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convex1.push_back(cv::Point(740, 0));
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convex1.push_back(cv::Point(740, 540));
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convex1.push_back(cv::Point(0, 540));
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std::vector<cv::Point> convex2;
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convex2.push_back(cv::Point(30, 210));
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convex2.push_back(cv::Point(37, 170));
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convex2.push_back(cv::Point(0,210));
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convex2.push_back(cv::Point(0, 300));
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std::vector<cv::Point> intersection;
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float area = cv::intersectConvexConvex(convex1, convex2, intersection);
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std::vector<cv::Point> expected_intersection;
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expected_intersection.push_back(cv::Point(0, 300));
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expected_intersection.push_back(cv::Point(0, 210));
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expected_intersection.push_back(cv::Point(37, 170));
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expected_intersection.push_back(cv::Point(30, 210));
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EXPECT_EQ(intersection, expected_intersection);
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EXPECT_NEAR(area, 1950, std::numeric_limits<float>::epsilon());
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}
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TEST(Imgproc_IntersectConvexConvex, intersection_1)
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{
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std::vector<cv::Point> convex1;
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convex1.push_back(cv::Point(0,0));
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convex1.push_back(cv::Point(740, 0));
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convex1.push_back(cv::Point(740, 540));
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convex1.push_back(cv::Point(0, 540));
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std::vector<cv::Point> convex2;
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convex2.push_back(cv::Point(20,210));
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convex2.push_back(cv::Point(30, 210));
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convex2.push_back(cv::Point(37, 170));
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convex2.push_back(cv::Point(7, 172));
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std::vector<cv::Point> intersection;
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float area = cv::intersectConvexConvex(convex1, convex2, intersection);
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std::vector<cv::Point> expected_intersection;
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expected_intersection.push_back(cv::Point(7, 172));
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expected_intersection.push_back(cv::Point(37, 170));
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expected_intersection.push_back(cv::Point(30, 210));
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expected_intersection.push_back(cv::Point(20, 210));
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EXPECT_EQ(intersection, expected_intersection);
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EXPECT_NEAR(area, 783, std::numeric_limits<float>::epsilon());
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}
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TEST(Imgproc_IntersectConvexConvex, intersection_2)
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{
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std::vector<cv::Point> convex1;
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convex1.push_back(cv::Point(0,0));
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convex1.push_back(cv::Point(740, 0));
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convex1.push_back(cv::Point(740, 540));
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convex1.push_back(cv::Point(0, 540));
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std::vector<cv::Point> convex2;
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convex2.push_back(cv::Point(-2,210));
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convex2.push_back(cv::Point(-5, 300));
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convex2.push_back(cv::Point(37, 150));
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convex2.push_back(cv::Point(7, 172));
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std::vector<cv::Point> intersection;
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float area = cv::intersectConvexConvex(convex1, convex2, intersection);
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std::vector<cv::Point> expected_intersection;
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expected_intersection.push_back(cv::Point(0, 202));
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expected_intersection.push_back(cv::Point(7, 172));
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expected_intersection.push_back(cv::Point(37, 150));
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expected_intersection.push_back(cv::Point(0, 282));
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EXPECT_EQ(intersection, expected_intersection);
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EXPECT_NEAR(area, 1857.19836425781, std::numeric_limits<float>::epsilon());
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}
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TEST(Imgproc_IntersectConvexConvex, intersection_3)
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{
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std::vector<cv::Point> convex1;
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convex1.push_back(cv::Point(15, 0));
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convex1.push_back(cv::Point(740, 0));
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convex1.push_back(cv::Point(740, 540));
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convex1.push_back(cv::Point(15, 540));
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std::vector<cv::Point> convex2;
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convex2.push_back(cv::Point(0,210));
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convex2.push_back(cv::Point(30, 210));
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convex2.push_back(cv::Point(37, 170));
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convex2.push_back(cv::Point(7, 172));
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std::vector<cv::Point> intersection;
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float area = cv::intersectConvexConvex(convex1, convex2, intersection);
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std::vector<cv::Point> expected_intersection;
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expected_intersection.push_back(cv::Point(15, 171));
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expected_intersection.push_back(cv::Point(37, 170));
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expected_intersection.push_back(cv::Point(30, 210));
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expected_intersection.push_back(cv::Point(15, 210));
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EXPECT_EQ(intersection, expected_intersection);
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EXPECT_NEAR(area, 723.866760253906, std::numeric_limits<float>::epsilon());
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}
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TEST(Imgproc_IntersectConvexConvex, intersection_4)
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{
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std::vector<cv::Point> convex1;
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convex1.push_back(cv::Point(15, 0));
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convex1.push_back(cv::Point(740, 0));
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convex1.push_back(cv::Point(740, 540));
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convex1.push_back(cv::Point(15, 540));
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std::vector<cv::Point> convex2;
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convex2.push_back(cv::Point(15, 0));
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convex2.push_back(cv::Point(740, 0));
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convex2.push_back(cv::Point(740, 540));
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convex2.push_back(cv::Point(15, 540));
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std::vector<cv::Point> intersection;
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float area = cv::intersectConvexConvex(convex1, convex2, intersection);
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std::vector<cv::Point> expected_intersection;
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expected_intersection.push_back(cv::Point(15, 0));
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expected_intersection.push_back(cv::Point(740, 0));
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expected_intersection.push_back(cv::Point(740, 540));
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expected_intersection.push_back(cv::Point(15, 540));
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EXPECT_EQ(intersection, expected_intersection);
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EXPECT_NEAR(area, 391500, std::numeric_limits<float>::epsilon());
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}
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} // namespace
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} // opencv_test
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