Method options_arrow

src/canvas.rs:1104–1113

Returns options for arrows

(&self)

    /// Returns options for arrows
    fn options_arrow(&self) -> String {
        let mut opt = String::new();
        if self.arrow_scale > 0.0 {
            write!(&mut opt, ",mutation_scale={}", self.arrow_scale).unwrap();
        }
        if self.arrow_style != "" {
            write!(&mut opt, ",arrowstyle='{}'", self.arrow_style).unwrap();
        }
        opt
    }

    /// Returns options for text
    fn options_text(&self) -> String {