| 1 | use crate::util::*; |
| 2 | use crate::{ImageResult, ImageSize}; |
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| 3 | |
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| 4 | use std::io::{BufRead, Seek, SeekFrom}; |
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| 5 | |
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| 6 | pub fn size<R: BufRead + Seek>(reader: &mut R) -> ImageResult<ImageSize> { |
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| 7 | // aseprite header: https://github.com/aseprite/aseprite/blob/main/docs/ase-file-specs.md#header |
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| 8 | |
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| 9 | reader.seek(pos:SeekFrom::Start(0x8))?; |
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| 10 | |
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| 11 | Ok(ImageSize { |
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| 12 | width: read_u16(reader, &Endian::Little)? as usize, |
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| 13 | height: read_u16(reader, &Endian::Little)? as usize, |
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| 14 | }) |
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| 15 | } |
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| 16 | |
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| 17 | pub fn matches(header: &[u8]) -> bool { |
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| 18 | header.len() >= 12 && &header[4..6] == b" \xE0\xA5" |
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| 19 | } |
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| 20 | |
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