1 # Pleroma: A lightweight social networking server
2 # Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
3 # SPDX-License-Identifier: AGPL-3.0-only
5 defmodule Pleroma.Upload.Filter.Mogrifun do
6 @behaviour Pleroma.Upload.Filter
7 alias Pleroma.Upload.Filter
13 [{"-interpolate", "nearest"}, {"-virtual-pixel", "mirror"}, {"-spread", "5"}],
15 {"-statistic", "Mode 10"},
18 {"-colorspace", "Gray"},
20 [{"-channel", "green"}, "-negate"],
21 [{"-channel", "red"}, "-negate"],
22 [{"-channel", "blue"}, "-negate"],
23 {"+level-colors", "green,gold"},
24 {"+level-colors", ",DodgerBlue"},
25 {"+level-colors", ",Gold"},
26 {"+level-colors", ",Lime"},
27 {"+level-colors", ",Red"},
28 {"+level-colors", ",DarkGreen"},
29 {"+level-colors", "firebrick,yellow"},
30 {"+level-colors", "'rgb(102,75,25)',lemonchiffon"},
31 [{"fill", "red"}, {"tint", "40"}],
32 [{"fill", "green"}, {"tint", "40"}],
33 [{"fill", "blue"}, {"tint", "40"}],
34 [{"fill", "yellow"}, {"tint", "40"}]
37 def filter(%Pleroma.Upload{tempfile: file, content_type: "image" <> _}) do
38 Filter.Mogrify.do_filter(file, [Enum.random(@filters)])
43 def filter(_), do: :ok