image_plug

0.2.0

A pluggable Plug-based image server. Maps URLs to a canonical image processing pipeline executed via the Image library, with named, stored variants. Ships a Cloudflare Images URL provider.

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image_plug lib image plug pipeline ops opacity.ex

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lib/image/plug/pipeline/ops/opacity.ex

defmodule Image.Plug.Pipeline.Ops.Opacity do
  @moduledoc """
  Mid-pipeline alpha multiplier. `:factor` is in `[0.0, 1.0]`;
  `1.0` is a no-op (the normaliser drops the op), `0.0` produces
  a fully transparent image. Maps to Cloudinary's `o_<n>`
  (where `n / 100` is passed) and ImageKit's `e-opacity:<n>`.
  """

  @type t :: %__MODULE__{factor: float()}
  defstruct factor: 1.0
end

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