class Cairo < Formula
  desc "Vector graphics library with cross-device output support"
  homepage "http://cairographics.org/"
  url "http://cairographics.org/releases/cairo-1.14.4.tar.xz"
  mirror "https://www.mirrorservice.org/sites/ftp.netbsd.org/pub/pkgsrc/distfiles/cairo-1.14.4.tar.xz"
  sha256 "f6ec9c7c844db9ec011f0d66b57ef590c45adf55393d1fc249003512522ee716"

  bottle do
    sha256 "a919a8e47b4405bf6b0a614a1f0b17fa3a224e6b10d6bf6e8f182919b1f40640" => :el_capitan
    sha256 "6268e7a3e1d68f04250064ca380a939b114e6394affec53b70c034b5e73594a5" => :yosemite
    sha256 "04f0b2caa48871a13f4e74e411b5bd6dda8aa511475ad3d1ade79a2d1c42766d" => :mavericks
  end

  keg_only :provided_pre_mountain_lion

  option :universal

  depends_on "pkg-config" => :build
  depends_on :x11 => :optional if MacOS.version > :leopard
  depends_on "freetype"
  depends_on "fontconfig"
  depends_on "libpng"
  depends_on "pixman"
  depends_on "glib"

  def install
    ENV.universal_binary if build.universal?

    args = %W[
      --disable-dependency-tracking
      --prefix=#{prefix}
      --enable-gobject=yes
      --enable-svg=yes
      --enable-tee=yes
      --enable-quartz-image
    ]

    if build.with? "x11"
      args << "--enable-xcb=yes" << "--enable-xlib=yes" << "--enable-xlib-xrender=yes"
    else
      args << "--enable-xcb=no" << "--enable-xlib=no" << "--enable-xlib-xrender=no"
    end

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

  test do
    (testpath/"test.c").write <<-EOS.undent
      #include <cairo.h>

      int main(int argc, char *argv[]) {

        cairo_surface_t *surface = cairo_image_surface_create(CAIRO_FORMAT_ARGB32, 600, 400);
        cairo_t *context = cairo_create(surface);

        return 0;
      }
    EOS
    fontconfig = Formula["fontconfig"]
    freetype = Formula["freetype"]
    gettext = Formula["gettext"]
    glib = Formula["glib"]
    libpng = Formula["libpng"]
    pixman = Formula["pixman"]
    flags = (ENV.cflags || "").split + (ENV.cppflags || "").split + (ENV.ldflags || "").split
    flags += %W[
      -I#{fontconfig.opt_include}
      -I#{freetype.opt_include}/freetype2
      -I#{gettext.opt_include}
      -I#{glib.opt_include}/glib-2.0
      -I#{glib.opt_lib}/glib-2.0/include
      -I#{include}/cairo
      -I#{libpng.opt_include}/libpng16
      -I#{pixman.opt_include}/pixman-1
      -L#{lib}
      -lcairo
    ]
    system ENV.cc, "test.c", "-o", "test", *flags
    system "./test"
  end
end