orinium_browser/engine/
image_decoder.rs

1use crate::engine::background_worker::BackgroundWorker;
2use crate::engine::renderer_model::Image;
3
4const IMAGE_DECODE_WORKERS: usize = 2;
5
6struct DecodeCommand {
7    source: String,
8    bytes: Vec<u8>,
9}
10
11struct DecodeResult {
12    source: String,
13    result: anyhow::Result<Image>,
14}
15
16pub struct ImageDecoder {
17    worker: BackgroundWorker<DecodeCommand, DecodeResult>,
18}
19
20impl Default for ImageDecoder {
21    fn default() -> Self {
22        Self::new()
23    }
24}
25
26impl ImageDecoder {
27    pub fn new() -> Self {
28        Self {
29            worker: BackgroundWorker::new(IMAGE_DECODE_WORKERS, |cmd: DecodeCommand| {
30                DecodeResult {
31                    source: cmd.source,
32                    result: Image::decode(&cmd.bytes),
33                }
34            }),
35        }
36    }
37
38    pub fn decode(&self, source: String, bytes: Vec<u8>) {
39        self.worker.send(DecodeCommand { source, bytes });
40    }
41
42    pub fn try_receive(&self) -> Option<(String, anyhow::Result<Image>)> {
43        self.worker.try_receive().map(|r| (r.source, r.result))
44    }
45}
orinium_browser/engine/image_decoder.rs

orinium_browser/engine/
image_decoder.rs
