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Rusty Images

Single API image transformation service written in Rust.

Running

Simply clone the repo and run inside the root directory:

cargo run

or run with Docker

docker run -it -p 8080:8080 penumbra23/rusty-images

API

Run cargo run -- --help to inspect the arguments that can be supplied via CLI.

All endpoints receive the image in a multipart/form-data body with the entry name file.

POST /stats

Returns image information like size (in bytes), width, height and format:

{
    "size": 161985,
    "width": 985,
    "height": 2048,
    "format": "image/jpeg"
}

POST /resize/{width: u32}/{height: u32}

Resizes the image. Possible query params:

  • keep_aspect=true - if the image aspect ratio should be retained; in that case the highest dimension is picked
  • output_format - convert to another format (possible values: png, jpeg and gif)
  • filter_type - filter type to be used while rescaling (possible values: nearest and gaussian)

POST /blur/{strength: f32}

Blurs the image using the Gaussian filter with the given strength factor. Possible query params:

  • output_format - convert to another format (possible values: png, jpeg and gif)

POST /rotate/{angle: u32}

Rotates the image using one of the possible values for the angle = [90, 180, 270]. Possible query params:

  • output_format - convert to another format (possible values: png, jpeg and gif)

Contribute

For any bugs, feature requests or improvements, open up an issue and/or submit a PR. More than happy to see contributors. One of the major things this service could use is an async API, where the operations are queued and executed in an async fashion.

License

MIT