| 1 | use crate::util::*; |
|---|---|
| 2 | use crate::{ImageResult, ImageSize}; |
| 3 | |
| 4 | use std::io::{BufRead, Seek, SeekFrom}; |
| 5 | |
| 6 | pub fn size<R: BufRead + Seek>(reader: &mut R) -> ImageResult<ImageSize> { |
| 7 | reader.seek(pos:SeekFrom::Start(0x12))?; |
| 8 | |
| 9 | Ok(ImageSize { |
| 10 | width: read_u32(reader, &Endian::Little)? as usize, |
| 11 | height: read_u32(reader, &Endian::Little)? as usize, |
| 12 | }) |
| 13 | } |
| 14 | |
| 15 | pub fn matches(header: &[u8]) -> bool { |
| 16 | header.starts_with(needle:b"\x42\x4D ") |
| 17 | } |
| 18 |