fast image operations
Diffstat (limited to 'src/lib.rs')
| -rw-r--r-- | src/lib.rs | 6 |
1 files changed, 3 insertions, 3 deletions
@@ -869,7 +869,7 @@ where Self: Sized, { /// Read a png into an image. - fn read(f: &mut impl std::io::Read) -> std::io::Result<Self>; + fn read<T: std::io::BufRead + std::io::Seek>(f: &mut T) -> std::io::Result<Self>; } /// helper macro for defining the save() method. @@ -916,7 +916,7 @@ macro_rules! read { #[cfg(feature = "save")] impl ReadPng for Image<Box<[u8]>, $n> { /// Open a PNG image - fn read(f: &mut impl std::io::Read) -> std::io::Result<Self> { + fn read<T: std::io::BufRead + std::io::Seek>(f: &mut T) -> std::io::Result<Self> { use png::Transformations as T; let mut dec = png::Decoder::new(f); match $n { @@ -925,7 +925,7 @@ macro_rules! read { _ => (), } let mut reader = dec.read_info()?; - let mut buf = vec![0; reader.output_buffer_size()].into_boxed_slice(); + let mut buf = vec![0; reader.output_buffer_size().unwrap()].into_boxed_slice(); let info = reader.next_frame(&mut buf)?; use png::ColorType::*; macro_rules! n { |