//! GUI drawing capabilities.

use crate::durandal::image::Color;

pub trait CacheImage
{
   fn w(&self) -> Coord;
   fn h(&self) -> Coord;
}

pub trait DrawArea
{
   type NativeImage: CacheImage;

   fn w(&self) -> Coord;
   fn h(&self) -> Coord;

   fn clear(&self, cr: impl Color);
   fn rect(&self, rect: Rect, cr: impl Color);
   fn text(&self, pos: Point, text: &str, cr: impl Color);
   fn image(&self, pos: Point, im: &Self::NativeImage);
}

pub type Coord = i32;
pub type Point = (Coord, Coord);

#[derive(Copy, Clone, Debug)]
pub struct Rect {pub x: Coord, pub y: Coord, pub w: Coord, pub h: Coord}

// EOF