View Source Image.Options.WarpPerspective (image v0.55.2)

Options and option validation for Image.warp_perspective/4.

Summary

extend_mode()

When extending the canvas the generated pixels are determined by this option.

t()

Options for Image.warp_perspective/4.

Options applicable to Image.embed/4.

@type extend_mode() :: [:black | :white | :copy | :repeat | :mirror | :background]

When extending the canvas the generated pixels are determined by this option.

@type t() :: [warp_perspective_option()]

Options for Image.warp_perspective/4.

@type warp_perspective_option() :: [
  background: Image.Color.t() | :average,
  extend_mode: extend_mode()
]

Options applicable to Image.embed/4.

@spec validate_options(Vix.Vips.Image.t(), Keyword.t()) ::
  {:ok, Keyword.t()} | {:error, Image.error_message()}