Function rectangle

deps/opencv/modules/core/src/drawing.cpp:1737–1763

}

void rectangle( Mat& img, Point pt1, Point pt2,
                const Scalar& color, int thickness,
                int lineType, int shift )
{
    if( lineType == CV_AA && img.depth() != CV_8U )
        lineType = 8;

    CV_Assert( thickness <= 255 );
    CV_Assert( 0 <= shift && shift <= XY_SHIFT );

    double buf[4];
    scalarToRawData(color, buf, img.type(), 0);

    Point2l pt[4];

    pt[0] = pt1;
    pt[1].x = pt2.x;
    pt[1].y = pt1.y;
    pt[2] = pt2;
    pt[3].x = pt1.x;
    pt[3].y = pt2.y;

    if( thickness >= 0 )
        PolyLine( img, pt, 4, true, buf, thickness, lineType, shift );
    else
        FillConvexPoly( img, pt, 4, buf, lineType, shift );
}


void rectangle( Mat& img, Rect rec,