bendn/fimg
1
0
Fork 0
mirror of https://github.com/bend-n/fimg.git synced 2024-12-22 10:28:21 -06:00
Code Issues Actions Packages Projects Releases Wiki Activity

expand idk

Browse source
This commit is contained in:
bendn 2023-10-30 20:11:58 +07:00
parent 47a299d9ae
commit bb33b6cb10
No known key found for this signature in database
GPG key ID: 0D9D3A2A3B2A93D6
1 changed files with 10 additions and 1 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

11
src/lib.rs
View file

@ -526,9 +526,18 @@ impl<const CHANNELS: usize> Image<Vec<u8>, CHANNELS> {
#[cfg(feature = "save")] #[cfg(feature = "save")]
/// Open a PNG image /// Open a PNG image
pub fn open(f: impl AsRef<std::path::Path>) -> Self { pub fn open(f: impl AsRef<std::path::Path>) -> Self {
use png::Transformations as T;
let p = std::fs::File::open(f).unwrap(); let p = std::fs::File::open(f).unwrap();
let r = std::io::BufReader::new(p); let r = std::io::BufReader::new(p);
let dec = png::Decoder::new(r); let mut dec = png::Decoder::new(r);
match CHANNELS {
1 => dec.set_transformations(T::STRIP_16 | T::EXPAND),
2 => dec.set_transformations(T::STRIP_16 | T::ALPHA),
3 => dec.set_transformations(T::STRIP_16 | T::EXPAND),
4 => dec.set_transformations(T::STRIP_16 | T::ALPHA),
_ => (),
}
dec.set_transformations(png::Transformations::EXPAND);
let mut reader = dec.read_info().unwrap(); let mut reader = dec.read_info().unwrap();
let mut buf = vec![0; reader.output_buffer_size()]; let mut buf = vec![0; reader.output_buffer_size()];
let info = reader.next_frame(&mut buf).unwrap(); let info = reader.next_frame(&mut buf).unwrap();