// Draws a single solid black line.
Draws a single solid black line.
Draws a single solid black line .
fn draw_line(group: Group, x1: f64, y1: f64, x2: f64, y2: f64) -> Group {
        group.add(
            Line::new()
                .set("x1", x1)
                .set("y1", y1)
                .set("x2", x2)
                .set("y2", y2)
                .set("stroke", "black")
                .set("stroke-width", "0.26mm")
                .set("stroke-linecap", "square"),
        )
    }
fn draw_line ( group : Group , x1 : f64 , y1 : f64 , x2 : f64 , y2 : f64 ) -> Group { group . add ( Line :: new ( ) . set ( " " , x1 ) . set ( " " , y1 ) . set ( " " , x2 ) . set ( " " , y2 ) . set ( " " , " " ) . set ( " " , " " ) . set ( " " , " " ) , ) }
Draws a single solid black line.
Draws a single solid black line .
group
Group
x1
f64
y1
f64
x2
f64
y2
f64