renderbug: first implementation of virtual coordinate based rendering

src/geometry.rs

@@ -0,0 +1,53 @@
+use std::marker::PhantomData;
+
+pub trait CoordinateSpace {}
+
+pub trait Coordinates<T, S: CoordinateSpace> {
+    fn x(&self) -> T;
+    fn y(&self) -> T;
+    fn new(x: T, y: T) -> Self;
+
+    const MAX: T;
+    const MIN: T;
+}
+
+#[derive(PartialEq, Debug, Copy, Clone)]
+pub struct Virtual {}
+impl CoordinateSpace for Virtual {}
+
+#[derive(PartialEq, Debug, Copy, Clone)]
+pub struct Physical {}
+impl CoordinateSpace for Physical {}
+
+#[derive(PartialEq, Debug, Copy, Clone)]
+pub struct Coord8<S: CoordinateSpace> {
+    x: u8,
+    y: u8,
+    space: PhantomData<S>
+}
+
+pub type VirtualCoordinates = Coord8<Virtual>;
+pub type PhysicalCoordinates = Coord8<Physical>;
+
+impl<S> Coordinates<u8, S> for Coord8<S>
+where
+S: CoordinateSpace {
+    fn new(x: u8, y: u8) -> Self {
+        Self {
+            x: x,
+            y: y,
+            space: PhantomData
+        }
+    }
+
+    fn x(&self) -> u8 {
+        self.x
+    }
+
+    fn y(&self) -> u8 {
+        self.y
+    }
+
+    const MAX: u8 = 255;
+    const MIN: u8 = 255;
+}