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Merge pull request #21512 from vrabaud:3.4_ub_drawing

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Alexander Alekhin 2022-01-25 13:42:49 +00:00
commit e3a4ff33d2
1 changed files with 2 additions and 2 deletions
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4
modules/imgproc/src/drawing.cpp
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@ -655,7 +655,7 @@ Line2( Mat& img, Point2l pt1, Point2l pt2, const void* color)
pt1.y ^= pt2.y & j;
x_step = XY_ONE;
y_step = (dy << XY_SHIFT) / (ax | 1);
y_step = dy * (1 << XY_SHIFT) / (ax | 1);
ecount = (int)((pt2.x - pt1.x) >> XY_SHIFT);
}
else
@ -668,7 +668,7 @@ Line2( Mat& img, Point2l pt1, Point2l pt2, const void* color)
pt2.y ^= pt1.y & i;
pt1.y ^= pt2.y & i;
x_step = (dx << XY_SHIFT) / (ay | 1);
x_step = dx * (1 << XY_SHIFT) / (ay | 1);
y_step = XY_ONE;
ecount = (int)((pt2.y - pt1.y) >> XY_SHIFT);
}