Struct Encoder 

pub struct Encoder<W: Write> { /* private fields */ }

PNG encoder, including custom chunks

Implementations

impl<W: Write> Encoder<W>

pub fn new(writer: W) -> Self

Create a neww encoder, adding the custom chunks before the image data.

pub fn with_custom_chunk(self, chunk: Chunk) -> Self

Add a custom chunk, which will be placed before the image data.

impl Encoder<BufWriter<File>>

pub fn new_to_file(output: impl AsRef<Path>) -> Result<Self, EncodingError>

Create a new encoder writing to a file

Trait Implementations

impl<W: Write> ImageEncoder for Encoder<W>

fn write_image( self, buf: &[u8], width: u32, height: u32, color_type: ColorType, ) -> ImageResult<()>

Writes all the bytes in an image to the encoder.