Generate letter avatar from username.

Shamelessly copied from alchemic_avatar and slightly modified with this code sample originally written by Sergio Tapia

If available in Hex, the package can be installed by adding abatap to your list of dependencies in mix.exs:

def deps do
  [
    {:abatap, "~> 0.2.0"}
  ]
end

Documentation can be generated with ExDoc and published on HexDocs. Once published, the docs can be found at https://hexdocs.pm/abatap.

  ## default options
  # - palette: :google
  # - shape: :square
  # - size: 512
  # - padding: size * 0.546875

  iex> Abatap.create_from_initials("John", "Doe")
  {:ok, "/var/folders/bq/v60646nd7370n3lffmgfh94r00016k/T/JD-google-1731556906832.png"}

  iex> Abatap.create_from_initials("John", "Doe", palette: :google)
  {:ok, "/var/folders/bq/v60646nd7370n3lffmgfh94r00016k/T/JD-google-1731556436238.png"}

  iex> Abatap.create_from_initials("John", "Doe", palette: :iwanthue, shape: :circle)
  {:ok, "/var/folders/bq/v60646nd7370n3lffmgfh94r00016k/T/JD-iwanthue-1731557222647.png"}

  iex> Abatap.create_from_initials("John", "Doe", palette: :google, shape: :squircle, size: 1024, padding: 400)
  {:ok, "/var/folders/bq/v60646nd7370n3lffmgfh94r00016k/T/JD-google-1731556436238.png"}

A palette generated from:

iwanthue