View Source Image.ExtendMode (image v0.33.0)
Defines the known modes by which an image can be extended.
Link to this section Summary
Link to this section Types
@type t() :: :white | :repeat | :mirror | :copy | :black | :background
Defines the known extend strategies.
Link to this section Functions
Returns the known extend modes.
Normalizes and validates an extend mode.
arguments
Arguments
extendis any atom or string value inImage.ExtendMode.known_extend_modes/0.
returns
Returns
{:error, normalized_extend_mode}or{:error, reason}.
examples
Examples
iex> Image.Kernel.validate_extend(:black)
{:ok, :VIPS_EXTEND_BLACK}
iex> Image.Kernel.validate_extend(:VIPS_EXTEND_REPEAT)
{:ok, :VIPS_EXTEND_REPEAT}
iex> Image.Kernel.validate_extend(:unknown)
{:error, "Unknown extend mode. Found :unknown"}