Gi.gm_composite

You're seeing just the function gm_composite, go back to Gi module for more information.
Link to this function

gm_composite(image, list_path)

View Source

Specs

gm_composite(Gi.Image.t(), []) :: Gi.Image.t()

Combine multiple images into one

Example

# Combine multiple images into one
iex>  Gi.open("test/frame.png")
...>  |> Gi.gm_composite(["test/example.jpg","test/save.png"])
%Gi.Image{
  animated: false,
  dirty: %{},
  ext: ".png",
  format: nil,
  frame_count: 1,
  height: nil,
  list_command: [],
  path: "test/save.png",
  width: nil
}