CAPTCHA library written in Rust

A library to generate CAPTCHAs like these:

Requirements

Rust (https://www.rust-lang.org/)

Documentation

https://docs.rs/captcha

Usage

Add the following dependency to the Cargo.toml file:

toml [dependencies] captcha = "*"

In your source file do:

```rust extern crate captcha;

use captcha::Captcha; use captcha::filters::Noise; use std::path::Path;

fn main() { Captcha::new() .addchars(5) .applyfilter(Noise::new(0.1)) .view(220, 120) .save(Path::new("/tmp/captcha.png")) .expect("save failed"); } ```

Running the example

git clone git@github.com:daniel-e/captcha.git
cd captcha
cargo run --example captcha

This example creates the following three CAPTCHA images: * /tmp/captcha1.png * /tmp/captcha2.png * /tmp/captcha3.png

The generated images will look like the following three images: