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plug_image_processing

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Plug to process images on-the-fly using libvips

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plug_image_processing lib plug_image_processing operations extract_area.ex
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lib/plug_image_processing/operations/extract_area.ex 

defmodule PlugImageProcessing.Operations.ExtractArea do

  import PlugImageProcessing.Options



  def new(image, params, _config) do

    with {:ok, width} <- cast_integer(params["width"]),

         {:ok, left} <- cast_integer(params["left"], 0),

         {:ok, top} <- cast_integer(params["top"], 0),

         {:ok, height} <- cast_integer(params["height"]) do

      {:ok,

       struct!(PlugImageProcessing.Operations.Crop, %{

         image: image,

         top: top,

         left: left,

         width: width,

         height: height

       })}

    end

  end

end