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fixed line clipping (ticket #1284)

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This commit is contained in:
Vadim Pisarevsky
2012-03-29 13:06:38 +00:00
parent 1564fe9a83
commit 0404b2989e
2 changed files with 95 additions and 64 deletions
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34
modules/highgui/test/test_drawing.cpp
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@@ -408,3 +408,37 @@ int CV_DrawingTest_C::checkLineIterator( Mat& _img )
TEST(Highgui_Drawing_CPP, regression) { CV_DrawingTest_CPP test; test.safe_run(); }
TEST(Highgui_Drawing_C, regression) { CV_DrawingTest_C test; test.safe_run(); }
class CV_FillConvexPolyTest : public cvtest::BaseTest
{
public:
CV_FillConvexPolyTest() {}
~CV_FillConvexPolyTest() {}
protected:
void run(int)
{
vector<Point> line1;
vector<Point> line2;
line1.push_back(Point(1, 1));
line1.push_back(Point(5, 1));
line1.push_back(Point(5, 8));
line1.push_back(Point(1, 8));
line2.push_back(Point(2, 2));
line2.push_back(Point(10, 2));
line2.push_back(Point(10, 16));
line2.push_back(Point(2, 16));
Mat gray0(10,10,CV_8U, Scalar(0));
fillConvexPoly(gray0, line1, Scalar(255), 8, 0);
int nz1 = countNonZero(gray0);
fillConvexPoly(gray0, line2, Scalar(0), 8, 1);
int nz2 = countNonZero(gray0)/255;
CV_Assert( nz1 == 40 && nz2 == 0 );
}
};
TEST(Highgui_Drawing_FillConvexPoly, clipping) { CV_FillConvexPolyTest test; test.safe_run(); }