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- # Pleroma: A lightweight social networking server
- # Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
- # SPDX-License-Identifier: AGPL-3.0-only
-
- defmodule Pleroma.Upload.Filter.Mogrifun do
- @behaviour Pleroma.Upload.Filter
- alias Pleroma.Upload.Filter
-
- @filters [
- {"implode", "1"},
- {"-raise", "20"},
- {"+raise", "20"},
- [{"-interpolate", "nearest"}, {"-virtual-pixel", "mirror"}, {"-spread", "5"}],
- "+polaroid",
- {"-statistic", "Mode 10"},
- {"-emboss", "0x1.1"},
- {"-emboss", "0x2"},
- {"-colorspace", "Gray"},
- "-negate",
- [{"-channel", "green"}, "-negate"],
- [{"-channel", "red"}, "-negate"],
- [{"-channel", "blue"}, "-negate"],
- {"+level-colors", "green,gold"},
- {"+level-colors", ",DodgerBlue"},
- {"+level-colors", ",Gold"},
- {"+level-colors", ",Lime"},
- {"+level-colors", ",Red"},
- {"+level-colors", ",DarkGreen"},
- {"+level-colors", "firebrick,yellow"},
- {"+level-colors", "'rgb(102,75,25)',lemonchiffon"},
- [{"fill", "red"}, {"tint", "40"}],
- [{"fill", "green"}, {"tint", "40"}],
- [{"fill", "blue"}, {"tint", "40"}],
- [{"fill", "yellow"}, {"tint", "40"}]
- ]
-
- def filter(%Pleroma.Upload{tempfile: file, content_type: "image" <> _}) do
- Filter.Mogrify.do_filter(file, [Enum.random(@filters)])
-
- :ok
- end
-
- def filter(_), do: :ok
- end
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