philomena/lib/philomena_media/analyzers/svg.ex

37 lines
778 B
Elixir

defmodule PhilomenaMedia.Analyzers.Svg do
@moduledoc false
alias PhilomenaMedia.Analyzers.Analyzer
alias PhilomenaMedia.Analyzers.Result
@behaviour Analyzer
@spec analyze(Path.t()) :: Result.t()
def analyze(file) do
stats = stats(file)
%Result{
extension: "svg",
mime_type: "image/svg+xml",
animated?: false,
duration: 0.0,
dimensions: stats.dimensions
}
end
defp stats(file) do
case System.cmd("svgstat", [file]) do
{output, 0} ->
[_size, _frames, width, height, _num, _den] =
output
|> String.trim()
|> String.split(" ")
|> Enum.map(&String.to_integer/1)
%{dimensions: {width, height}}
_ ->
%{dimensions: {0, 0}}
end
end
end