pbrt_r3/core/imageio/
write_image_exr.rs

1use crate::core::base::*;
2use crate::core::error::*;
3use crate::core::geometry::*;
4
5use image::*;
6
7pub fn write_image_exr(
8    name: &str,
9    rgb: &[Float],
10    output_bounds: &Bounds2i,
11    _total_resolution: &Point2i,
12) -> Result<(), PbrtError> {
13    let resolution = output_bounds.diagonal();
14    let mut float_img: Vec<f32> = vec![0.0; (resolution.x * resolution.y * 3) as usize];
15    {
16        let x0: u32 = output_bounds.min.x as u32;
17        let x1: u32 = output_bounds.max.x as u32;
18        let y0: u32 = output_bounds.min.y as u32;
19        let y1: u32 = output_bounds.max.y as u32;
20
21        let width = x1 - x0;
22
23        for y in y0..y1 {
24            let yy = y - y0;
25            for x in x0..x1 {
26                let xx = x - x0;
27                let index: usize = (yy * width + xx) as usize;
28                float_img[3 * index + 0] = rgb[3 * index + 0] as f32;
29                float_img[3 * index + 1] = rgb[3 * index + 1] as f32;
30                float_img[3 * index + 2] = rgb[3 * index + 2] as f32;
31            }
32        }
33    }
34    let img = Rgb32FImage::from_vec(resolution.x as u32, resolution.y as u32, float_img).unwrap();
35    match img.save(name) {
36        Ok(()) => {
37            return Ok(());
38        }
39        Err(e) => {
40            return Err(PbrtError::from(e));
41        }
42    }
43}
pbrt_r3/core/imageio/write_image_exr.rs

pbrt_r3/core/imageio/
write_image_exr.rs
