Function nannou::text::exact_height

pub fn exact_height(
    first_line_height: Scalar, 
    num_lines: usize, 
    font_size: FontSize, 
    line_spacing: Scalar
) -> Scalar

Determine the exact height of a block of text.

The first_line_height can be retrieved via its line::Info which can be retrieved via the first element of a line_infos iterator.