imagesize/formats/
aesprite.rs

1use crate::util::*;
2use crate::{ImageResult, ImageSize};
3
4use std::io::{BufRead, Seek, SeekFrom};
5
6pub fn size<R: BufRead + Seek>(reader: &mut R) -> ImageResult<ImageSize> {
7    // aseprite header: https://github.com/aseprite/aseprite/blob/main/docs/ase-file-specs.md#header
8
9    reader.seek(SeekFrom::Start(0x8))?;
10
11    Ok(ImageSize {
12        width: read_u16(reader, &Endian::Little)? as usize,
13        height: read_u16(reader, &Endian::Little)? as usize,
14    })
15}
16
17pub fn matches(header: &[u8]) -> bool {
18    header.len() >= 12 && &header[4..6] == b"\xE0\xA5"
19}