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Fixed clipLine evaluation for very long lines

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This commit is contained in:
Vitaly Tuzov
2017-06-16 16:55:09 +03:00
parent f935a16ef2
commit 3d7fd4132b
2 changed files with 30 additions and 5 deletions
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modules/imgproc/test/test_drawing.cpp
+25
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@@ -709,6 +709,31 @@ TEST(Drawing, polylines)
ASSERT_EQ(cnt, 21);
}
TEST(Drawing, longline)
{
Mat mat = Mat::zeros(256, 256, CV_8UC1);
line(mat, cv::Point(34, 204), cv::Point(46400, 47400), cv::Scalar(255), 3);
EXPECT_EQ(310, cv::countNonZero(mat));
Point pt[6];
pt[0].x = 32;
pt[0].y = 204;
pt[1].x = 34;
pt[1].y = 202;
pt[2].x = 87;
pt[2].y = 255;
pt[3].x = 82;
pt[3].y = 255;
pt[4].x = 37;
pt[4].y = 210;
pt[5].x = 37;
pt[5].y = 209;
fillConvexPoly(mat, pt, 6, cv::Scalar(0));
EXPECT_EQ(0, cv::countNonZero(mat));
}
TEST(Drawing, putText_no_garbage)
{