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//! Configure a [`Renderer`].
//!
//! [`Renderer`]: struct.Renderer.html
/// The settings of a [`Renderer`].
///
/// [`Renderer`]: ../struct.Renderer.html
#[derive(Debug, Clone, Copy, PartialEq, Eq)]
pub struct Settings {
/// The bytes of the font that will be used by default.
///
/// If `None` is provided, a default system font will be chosen.
pub default_font: Option<&'static [u8]>,
/// The antialiasing strategy that will be used for triangle primitives.
pub antialiasing: Option<Antialiasing>,
}
impl Default for Settings {
fn default() -> Settings {
Settings {
default_font: None,
antialiasing: None,
}
}
}
/// An antialiasing strategy.
#[derive(Debug, Clone, Copy, PartialEq, Eq)]
pub enum Antialiasing {
/// Multisample AA with 2 samples
MSAAx2,
/// Multisample AA with 4 samples
MSAAx4,
/// Multisample AA with 8 samples
MSAAx8,
/// Multisample AA with 16 samples
MSAAx16,
}
impl Antialiasing {
pub(crate) fn sample_count(self) -> u32 {
match self {
Antialiasing::MSAAx2 => 2,
Antialiasing::MSAAx4 => 4,
Antialiasing::MSAAx8 => 8,
Antialiasing::MSAAx16 => 16,
}
}
}
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