use crate::*;

mod coordinate; pub use self::coordinate::*;
mod size; pub use self::size::*;
mod area; pub use self::area::*;

mod render;  pub use self::render::*;
mod content; pub use self::content::*;
mod thunk;   pub use self::thunk::*;

/// Rendering target
pub trait Output<E: Engine> {
    /// Current output area
    fn area (&self) -> E::Area;
    /// Mutable pointer to area
    fn area_mut (&mut self) -> &mut E::Area;
    /// Render widget in area
    fn place (&mut self, area: E::Area, content: &impl Render<E>);
    #[inline] fn x (&self) -> E::Unit { self.area().x() }
    #[inline] fn y (&self) -> E::Unit { self.area().y() }
    #[inline] fn w (&self) -> E::Unit { self.area().w() }
    #[inline] fn h (&self) -> E::Unit { self.area().h() }
    #[inline] fn wh (&self) -> E::Size { self.area().wh().into() }
}