Struct image::png::PNGDecoder

pub struct PNGDecoder<R: Read> {
    // some fields omitted
}

PNG decoder

Methods

impl<R: Read> PNGDecoder<R>

fn new(r: R) -> PNGDecoder<R>

Creates a new decoder that decodes from the stream r

Trait Implementations

impl<R: Read> ImageDecoder for PNGDecoder<R>

fn dimensions(&mut self) -> ImageResult<(u32, u32)>

fn colortype(&mut self) -> ImageResult<ColorType>

fn row_len(&mut self) -> ImageResult<usize>

fn read_scanline(&mut self, buf: &mut [u8]) -> ImageResult<u32>

fn read_image(&mut self) -> ImageResult<DecodingResult>

fn is_animated(&mut self) -> ImageResult<bool>

fn into_frames(self) -> ImageResult<Frames>

fn load_rect(&mut self, x: u32, y: u32, length: u32, width: u32) -> ImageResult<Vec<u8>>