sic_image_engine/wrapper/
image_path.rs

1use std::path::PathBuf;
2
3use sic_io::decode::{SicImageDecoder, file_reader};
4
5use crate::errors::SicImageEngineError;
6use sic_core::SicImage;
7
8#[derive(Debug, Clone, PartialEq, Eq)]
9pub struct ImageFromPath {
10    path: PathBuf,
11}
12
13impl ImageFromPath {
14    pub fn new(path: PathBuf) -> Self {
15        Self { path }
16    }
17
18    pub fn open_image(&self) -> Result<SicImage, SicImageEngineError> {
19        file_reader(self.path.as_path())
20            .and_then(|mut file| SicImageDecoder::default().decode(&mut file))
21            .map_err(|_err| SicImageEngineError::LoadImageFromPath)
22    }
23}
24
25#[cfg(test)]
26mod tests {
27    use super::*;
28    use sic_testing::{image_eq, in_, open_test_image};
29
30    #[test]
31    fn open_from_path() {
32        let path = in_!("palette_4x4.png");
33        let image_from_path = ImageFromPath::new(PathBuf::from(path));
34
35        let actual = image_from_path.open_image().unwrap();
36        assert!(image_eq(actual, open_test_image(path)));
37    }
38}