JFIF-Dump

Read and dump structure of a jpeg file.

This crate can be used as a library or as a command line utility.

Installation

$ cargo install jfifdump

Usage

$ jfifdump image.jpeg

Command-line options

``` USAGE: jfifdump [FLAGS] [OPTIONS]

FLAGS: -v, --verbose Make output more verbose -h, --help Prints help information -V, --version Prints version information

OPTIONS: -f, --format Output format [default: text] [possible values: text, json]

ARGS: Jpeg file to use

```

Using jfifdump as a library

To use jfifdump as a library add the following to your Cargo.toml dependencies:

toml jfifdump = "0.2"

Example: Print image dimensions

```rust use jfifdump::{Reader, Segment, JfifError}; use std::fs::File; use std::io::BufReader;

fn main() -> Result<(), JfifError> { let file = File::open("some.jpeg")?;

let mut reader = Reader::new(BufReader::new(file))?;

loop {
    match reader.next_segment()? {
        Segment::Eoi => break,
        Segment::Frame(frame) => {
            println!("{}x{}", frame.dimension_x, frame.dimension_y);
            break;
        }
        _ => {
            // Ignore other segments
        }
    }
}

Ok(())

} ```

License

This project is licensed under either of

• Apache License, Version 2.0, (LICENSE-APACHE or https://www.apache.org/licenses/LICENSE-2.0)
• MIT license (LICENSE-MIT or https://opensource.org/licenses/MIT)

Contribution

Unless you explicitly state otherwise, any contribution intentionally submitted for inclusion in jfifdump by you, as defined in the Apache-2.0 license, shall be dual licensed as above, without any additional terms or conditions.