Optipng

This module is a simple wrapper of optipng command line application for optimising PNG images.
To use this module, make sure you have optipng executable in you $PATH.

Installation

add optipng to your list of dependencies in mix.exs:

def deps do
  [
    {:optipng, "~> 0.1.0"}
  ]
end

Usage

optimise/1

file_path = "my-pretty-image.png"

file_path
|> File.read!
|> Optipng.optimise
#=> {:ok, optimised_content}

optimise/2

file_path = "my-pretty-image.png"

file_path
|> File.read!
|> Optipng.optimise(self())

# continue doing anything you want

receive do
  {:ok, optimised_content} ->
    # deal with it
end