Set filters from js

wasm-lib/src/convolutions.rs

@@ -1,20 +1,40 @@
 use crate::vec3::Vec3;
 
 use wasm_bindgen::prelude::*;
+
 #[wasm_bindgen]
 extern "C" {
     #[wasm_bindgen(js_namespace = console)]
     pub fn log(s: &str);
 }
 
 #[derive(Clone, PartialEq)]
-pub struct Kernel<T:Copy> {
+pub struct Kernel<T> {
     shape: usize,
     data: Vec<T>,
     half_range: usize,
     normalize: bool
 }
 
+#[wasm_bindgen]
+pub struct ImageFilter {
+    kernel: Kernel<i16>
+}
+
+#[wasm_bindgen]
+impl ImageFilter {
+    #[wasm_bindgen(constructor)]
+    pub fn new(data: Vec<i16>, normalize: bool) -> Self {
+        Self { kernel: Kernel::new(data, normalize) }
+    }
+}
+
+impl ImageFilter {
+    pub fn get_kernel(&self) -> &Kernel<i16> {
+        &self.kernel
+    }
+}
+
 impl<T: Copy> Kernel<T> {
     pub fn new(data: Vec<T>, normalize: bool) -> Self {
         let shape = (data.len() as f32).sqrt().ceil() as usize;

wasm-lib/src/scene.rs

@@ -5,6 +5,7 @@ use wasm_bindgen::prelude::*;
 use wasm_bindgen::Clamped;
 use web_sys::{CanvasRenderingContext2d, ImageData};
 
+use crate::convolutions::ImageFilter;
 use crate::convolutions::Kernel;
 use crate::rgb::RGB;
 use crate::vec3::Ray;
@@ -64,6 +65,10 @@ impl Scene {
         }
     }
 
+    pub fn add_filter(&mut self, filter: ImageFilter) {
+        self.filters.push(filter.get_kernel().clone());
+    }
+
     pub fn add_entity(&mut self, entity: Entity) {
         self.entities.push(entity);
     }