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lib/faker/color.ex
defmodule Faker.Color do
@moduledoc """
Functions for generating different color representations.
"""
@doc """
Return random RGB hex value.
"""
@spec rgb_hex() :: binary
def rgb_hex do
"~2.16.0B~2.16.0B~2.16.0B"
|> :io_lib.format(Tuple.to_list(rgb_decimal()))
|> :erlang.iolist_to_binary
end
@doc """
Return random RGB decimal value.
"""
@spec rgb_decimal() :: {byte, byte, byte}
def rgb_decimal do
{
:crypto.rand_uniform(0, 256),
:crypto.rand_uniform(0, 256),
:crypto.rand_uniform(0, 256)
}
end
@doc """
Return a random color name
"""
@spec name() :: String.t
def name do
localised_module().name
end
@doc """
Return a random fancy color name
"""
@spec fancy_name() :: String.t
def fancy_name do
localised_module().fancy_name
end
defp localised_module, do: Module.concat(__MODULE__, Faker.mlocale)
end