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Open Source Computer Vision Library
https://opencv.org/
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25 lines
714 B
25 lines
714 B
#include "test_precomp.hpp" |
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using namespace cv; |
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using namespace std; |
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TEST(Core_Drawing, _914) |
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{ |
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const int rows = 256; |
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const int cols = 256; |
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Mat img(rows, cols, CV_8UC1, Scalar(255)); |
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line(img, Point(0, 10), Point(255, 10), Scalar(0), 2, 4); |
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line(img, Point(-5, 20), Point(260, 20), Scalar(0), 2, 4); |
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line(img, Point(10, 0), Point(10, 255), Scalar(0), 2, 4); |
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double x0 = 0.0/pow(2.0, -2.0); |
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double x1 = 255.0/pow(2.0, -2.0); |
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double y = 30.5/pow(2.0, -2.0); |
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line(img, Point(int(x0), int(y)), Point(int(x1), int(y)), Scalar(0), 2, 4, 2); |
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int pixelsDrawn = rows*cols - countNonZero(img); |
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ASSERT_EQ( (3*rows + cols)*3 - 3*9, pixelsDrawn); |
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} |