pub trait TextStyle: Send + Sync {
fn font(&self) -> &str;
fn padding_left(&self) -> f64 { 4.0 }
fn padding_right(&self) -> f64 { 4.0 }
}
#[derive(Default)]
pub struct DefaultTextStyle;
impl TextStyle for DefaultTextStyle {
fn font(&self) -> &str { "13px Roboto" }
}