Struct CountingWriter 

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

Position-tracking writer wrapper.

Wraps any std::io::Write implementor and tracks the byte offset written.

Implementations

impl<W: Write> CountingWriter<W>

pub fn new(inner: W) -> Self

Create a new counting writer starting at offset 0.

pub fn with_offset(inner: W, offset: u64) -> Self

Create a counting writer with an initial offset (e.g. for incremental appends).

pub fn into_inner(self) -> W

Consume the writer and return the inner writer.

pub fn flush(&mut self) -> Result<()>

Flush the underlying writer.

Trait Implementations

impl<W: Write> PdfWrite for CountingWriter<W>

fn write_bytes(&mut self, data: &[u8]) -> Result<()>

Write raw bytes to the output.

fn position(&self) -> u64

Current byte offset in the output.