class Vips < Formula
  desc "Image processing library"
  homepage "https://github.com/jcupitt/libvips"
  url "https://github.com/jcupitt/libvips/releases/download/v8.6.3/vips-8.6.3.tar.gz"
  sha256 "f85adbb9f5f0f66b34a40fd2d2e60d52f6e992831f54af706db446f582e10992"

  bottle do
    sha256 "25f44ca911e94f5590407365eb7a04faaf973bfa8be8979f889b91a6b559256b" => :high_sierra
    sha256 "236d724ea332f2081c58ae0aed377daf655698c84971284843db4f119c1f6ac0" => :sierra
    sha256 "618ad45f5acc03cdf7f77439956d8e1ba948efc4a88eb452b85ca1c73ba80af4" => :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