# Zbar
Scan one or more barcodes from a JPEG image.
The API for this library is very simple:
```elixir
iex> File.read!("QR_REF1.jpg") |> Zbar.scan()
%Zbar.Symbol{
data: "REF1",
points: [{40, 40}, {40, 250}, {250, 250}, {250, 40}],
quality: 1,
type: "QR-Code"
}
```
More detailed API documentation can be found at
[https://hexdocs.pm/zbar](https://hexdocs.pm/zbar).
## Installation
This package is [available in Hex](https://hex.pm/packages/zbar) and can be
installed by adding `:zbar` to your list of dependencies in `mix.exs`:
```elixir
def deps do
[{:zbar, "~> 0.2"}]
end
```
You will also need to have `zbar` and `libjpeg` installed in order to compile
the required native code. On OSX with Homebrew, this is as simple as:
```bash
$ brew install zbar libjpeg
```