rs_pbrt/filters/
boxfilter.rs

1// pbrt
2use crate::core::filter::Filter;
3use crate::core::geometry::{Point2f, Vector2f};
4use crate::core::paramset::ParamSet;
5use crate::core::pbrt::Float;
6
7// see box.h
8
9#[derive(Debug, Default, Copy, Clone)]
10pub struct BoxFilter {
11    // inherited from Filter (see filter.h)
12    pub radius: Vector2f,
13    pub inv_radius: Vector2f,
14}
15
16impl BoxFilter {
17    pub fn create(ps: &ParamSet) -> Box<Filter> {
18        let xw: Float = ps.find_one_float("xwidth", 0.5);
19        let yw: Float = ps.find_one_float("ywidth", 0.5);
20        let box_filter: Box<Filter> = Box::new(Filter::Bx(BoxFilter {
21            radius: Vector2f { x: xw, y: yw },
22            inv_radius: Vector2f {
23                x: 1.0 / xw,
24                y: 1.0 / yw,
25            },
26        }));
27        box_filter
28    }
29    // Filter
30    pub fn evaluate(&self, _p: Point2f) -> Float {
31        1.0
32    }
33    pub fn get_radius(&self) -> Vector2f {
34        Vector2f {
35            x: self.radius.x,
36            y: self.radius.y,
37        }
38    }
39}
rs_pbrt/filters/boxfilter.rs

rs_pbrt/filters/
boxfilter.rs
