From fdb3e8cb8d53449c107388e143345beae162f95e Mon Sep 17 00:00:00 2001
From: Julian T <julian@jtle.dk>
Date: Fri, 29 Jan 2021 00:58:32 +0100
Subject: Finish get_tile on Film

---
 src/camera/film.rs       | 44 ++++++++++++++++++++++++++++----------------
 src/camera/filter/mod.rs |  4 ++--
 src/camera/mod.rs        |  4 ++--
 3 files changed, 32 insertions(+), 20 deletions(-)

(limited to 'src/camera')

diff --git a/src/camera/film.rs b/src/camera/film.rs
index e31b760..6661529 100644
--- a/src/camera/film.rs
+++ b/src/camera/film.rs
@@ -1,23 +1,28 @@
-use crate::vector::{Vector2, Vector2f};
+use crate::vector::*;
 use crate::Float;
 use crate::bound;
+use crate::spectrum::Spectrum;
+
 use bound::{Bound2i, Bound2f};
 use super::filter::Filter;
+use std::rc::Rc;
 
 #[derive(Clone)]
 pub struct Pixel {
     pub rgb: [Float; 3],
 }
 
-pub struct Film<'a> {
-    pub resolution: Vector2<usize>,
+pub struct Film {
+    pub resolution: Vector2i,
+    drawingBound: Bound2i,
 
     pixels: Vec<Pixel>,
-    filter: &'a Filter,
+    filter: Rc<Filter>,
 }
 
 pub struct FilmTile {
-    
+    pub bounds: Bound2i,
+    filter: Rc<Filter>,
 }
 
 impl Pixel {
@@ -26,30 +31,37 @@ impl Pixel {
     }
 }
 
-impl Film<'_> {
-    fn new(resolution: Vector2<usize>, filter: & Filter) -> Film {
+impl Film {
+    pub fn new(resolution: Vector2i, filter: Rc<Filter>) -> Film {
         let area = resolution.x * resolution.y;
         Film {
             resolution,
-            pixels: vec![Pixel::new(); area],
+            drawingBound: Bound2i::new(&Vector2::new(0), &resolution),
+            pixels: vec![Pixel::new(); area as usize],
             filter,
         }
     }
 
-    fn get_tile(bound: &Bound2i) {
+    pub fn get_tile(&self, bound: &Bound2i) -> FilmTile {
         // Used to calculate descrete coordinates into continues
-        let halfpixel = Vector2f::from_xy(0.5, 0.5);
+        let halfpixel = Vector2f::new_xy(0.5, 0.5);
         let fbound = Bound2f::from(bound);
 
+        let p0 = Vector2i::from((fbound.min - halfpixel - self.filter.radius).ceil());
+        let p1 = Vector2i::from((fbound.min - halfpixel + self.filter.radius).floor());
 
+        let tilebound = bound::intersect(&Bound2i::new(&p0, &p1), &self.drawingBound);
 
-        //let tilebound = bound::intersect(bound, 
-    }
-
-    fn splat(&mut self, point: &Vector2<usize>, pixel: &Pixel) {
-        let index = point.x + point.y * self.resolution.x;
+        FilmTile { 
+            bounds: tilebound,
+            filter: self.filter.clone(),
+        }
 
-        self.pixels[index] = pixel.clone();
     }
 }
 
+impl FilmTile {
+    fn add_sample(point: &Vector2f, c: Spectrum) {
+        
+    }
+}
diff --git a/src/camera/filter/mod.rs b/src/camera/filter/mod.rs
index bfa17bb..01d094c 100644
--- a/src/camera/filter/mod.rs
+++ b/src/camera/filter/mod.rs
@@ -26,7 +26,7 @@ impl Eval for Filter {
 }
 
 impl Filter {
-    fn new_box(radius: &Vector2f) -> Filter {
-        Filter { radius: radius.clone(), eval: Box::new(BoxFilter {}) }
+    pub fn new_box(radius: Vector2f) -> Filter {
+        Filter { radius: radius, eval: Box::new(BoxFilter {}) }
     }
 }
diff --git a/src/camera/mod.rs b/src/camera/mod.rs
index bba95f7..8aed4bf 100644
--- a/src/camera/mod.rs
+++ b/src/camera/mod.rs
@@ -1,2 +1,2 @@
-mod film;
-mod filter;
+pub mod film;
+pub mod filter;
-- 
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