library: render: pathtrace: add dummy Pathtracer

pathtracer/src/render/mod.rs

@@ -9,6 +9,9 @@ pub trait Renderer {
     fn render(&self) -> RgbImage;
 }
 
+mod pathtrace;
+pub use pathtrace::*;
+
 mod raytracer;
 pub use raytracer::*;
 

pathtracer/src/render/pathtrace/mod.rs

@@ -0,0 +1,2 @@
+mod pathtracer;
+pub use self::pathtracer::*;

pathtracer/src/render/pathtrace/pathtracer.rs

@@ -0,0 +1,34 @@
+use super::super::Renderer;
+use crate::scene::Scene;
+use image::RgbImage;
+
+/// Render the [`Scene`] using Bidirectional-Pathtracing
+///
+/// [`Scene`]: ../scene/scene/struct.Scene.html
+pub struct Pathtracer {
+    #[allow(unused)]
+    scene: Scene,
+}
+
+impl Pathtracer {
+    /// Create a [`Pathtracer`] renderer with the given [`Scene`]
+    ///
+    /// [`Pathtracer`]: struct.Pathtracer.html
+    /// [`Scene`]: ../scene/scene/struct.Scene.html
+    pub fn new(scene: Scene) -> Self {
+        Pathtracer { scene }
+    }
+
+    /// Render the [`Scene`] using Bidirectional-Pathtracing.
+    ///
+    /// [`Scene`]: ../scene/scene/struct.Scene.html
+    pub fn render(&self) -> RgbImage {
+        todo!()
+    }
+}
+
+impl Renderer for Pathtracer {
+    fn render(&self) -> RgbImage {
+        self.render()
+    }
+}