fastpack_compress/
compressor.rs

1use fastpack_core::types::config::PackMode;
2use image::DynamicImage;
3
4use crate::error::CompressError;
5
6/// Input to a compression backend.
7pub struct CompressInput<'a> {
8    /// The composited atlas image to encode.
9    pub image: &'a DynamicImage,
10
11    /// Controls the compression effort level.
12    pub pack_mode: PackMode,
13
14    /// Quality for lossy codecs (0–100). Ignored by lossless encoders (PNG).
15    pub quality: u8,
16}
17
18/// Raw encoded bytes returned by a compression backend.
19pub struct CompressOutput {
20    /// The encoded file bytes ready to write to disk.
21    pub data: Vec<u8>,
22}
23
24/// Common interface for all image compression backends.
25pub trait Compressor: Send + Sync {
26    /// Encode the atlas image and return the file bytes.
27    fn compress(&self, input: &CompressInput<'_>) -> Result<CompressOutput, CompressError>;
28
29    /// Short identifier matching `OutputConfig::texture_format` (e.g. `"png"`).
30    fn format_id(&self) -> &'static str;
31
32    /// File extension for the texture output, without leading dot (e.g. `"png"`).
33    fn file_extension(&self) -> &'static str;
34}
fastpack_compress/compressor.rs

fastpack_compress/
compressor.rs
