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inky_host_dev

1.0.0
1.0.0

A development convenience for the Inky eInk display library. Allows rendering a window with largely the same behavior as the Inky display during host development. Built with the Erlang wxWidgets minimize dependencies.

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inky_host_dev lib hal.ex
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lib/hal.ex 

defmodule InkyHostDev.HAL do

  @behaviour Inky.HAL



  defmodule State do

    @moduledoc false



    @state_fields [:canvas_pid, :display]



    @enforce_keys @state_fields

    defstruct @state_fields

  end



  @impl Inky.HAL

  def init(args) do

    display = Map.fetch!(args, :display)

    canvas_config = %{size: {display.width, display.height}, accent: display.accent}

    {:wx_ref, _, :wxFrame, pid} = InkyHostDev.Canvas.start_link(canvas_config)

    %State{canvas_pid: pid, display: display}

  end



  @impl Inky.HAL

  def handle_update(pixels, border, _push_policy, _state = %State{canvas_pid: canvas_pid}) do

    GenServer.call(canvas_pid, {:draw_pixels, pixels, border})

    :ok

  end

end