class Vips < Formula
  desc "Image processing library"
  homepage "https://github.com/jcupitt/libvips"
  url "https://github.com/jcupitt/libvips/releases/download/v8.5.9/vips-8.5.9.tar.gz"
  sha256 "5e2bc42074be92606e4c6f50c816c18a7df0046bc5243fd459c95ca28f7a4e15"

  bottle do
    sha256 "366cb92f9fe2d25f38233d5ad6a72bebd892d54dfc1664119669da965645f695" => :high_sierra
    sha256 "4a58ca3c72d9109000a07c0cab7e99f233100a3b3919d47761c6cc3aeb843db7" => :sierra
    sha256 "6a5f0bf7e6bb646286756f3dbefc510a762de831e0abb443d75701f074a054b2" => :el_capitan
  end

  depends_on "pkg-config" => :build
  depends_on "fontconfig"
  depends_on "gettext"
  depends_on "giflib"
  depends_on "glib"
  depends_on "gobject-introspection"
  depends_on "jpeg"
  depends_on "libexif"
  depends_on "libgsf"
  depends_on "libpng"
  depends_on "librsvg"
  depends_on "libtiff"
  depends_on "little-cms2"
  depends_on "orc"
  depends_on "pango"
  depends_on "pygobject3"
  depends_on "fftw" => :recommended
  depends_on "poppler" => :recommended
  depends_on "graphicsmagick" => :optional
  depends_on "imagemagick" => :optional
  depends_on "jpeg-turbo" => :optional
  depends_on "mozjpeg" => :optional
  depends_on "openexr" => :optional
  depends_on "openslide" => :optional
  depends_on "webp" => :optional

  def install
    args = %W[
      --disable-dependency-tracking
      --prefix=#{prefix}
    ]

    if build.with? "graphicsmagick"
      args << "--with-magick" << "--with-magickpackage=GraphicsMagick"
    end

    args << "--without-libwebp" if build.without? "webp"

    system "./configure", *args
    system "make", "install"
  end

  test do
    system "#{bin}/vips", "-l"
    cmd = "#{bin}/vipsheader -f width #{test_fixtures("test.png")}"
    assert_equal "8", shell_output(cmd).chomp
  end
end