Kino Vix Demo

Section

alias Vix.Vips.Image
alias Vix.Vips.Operation

defmodule Helper do
  def download(url) do
    {:ok, {_, _, body}} = :httpc.request(:get, {url, []}, [], [])
    IO.iodata_to_binary(body)
  end
end

{:ok, starry_night} =
  Helper.download(
    "https://upload.wikimedia.org/wikipedia/commons/thumb/e/ea/Van_Gogh_-_Starry_Night_-_Google_Art_Project.jpg/757px-Van_Gogh_-_Starry_Night_-_Google_Art_Project.jpg"
  )
  |> Image.new_from_buffer()

{:ok, sunflower} =
  Helper.download(
    "https://upload.wikimedia.org/wikipedia/commons/thumb/9/9d/Vincent_van_Gogh_-_Sunflowers_-_VGM_F458.jpg/457px-Vincent_van_Gogh_-_Sunflowers_-_VGM_F458.jpg"
  )
  |> Image.new_from_buffer()

{text, _flags} =
  Vix.Vips.Operation.text!("SUNFLOWER",
    dpi: 400,
    rgba: true,
    align: :VIPS_ALIGN_HIGH
  )

text

Kino.Layout.grid([starry_night, sunflower], columns: 1)

composite = Vix.Vips.Operation.composite2!(text, starry_night, :VIPS_BLEND_MODE_ATOP)