SVGの色をIntシーケンスに。

gistfile1.scala

  private def color(node: Node, attr: String): Seq[Int] = {
    val a = """#(.{2})(.{2})(.{2})""".r
    val b = """#(.)(.)(.)""".r
    val c = """rgb\((\d+)\,(\d+)\,(\d+)\)""".r
    val d = """rgb\((\d+)%\,(\d+)%\,(\d+)%\)""".r
    node.attribute(attr) map (_.text) orElse {
      (node.attribute("style") map { style =>
        style.text.split(";") find (_.contains(attr)) map { str =>
          str.trim.split(":").last
        }
      }).get
    } map (_ match {
      case a(rgb @ _*) => rgb map (Integer.parseInt(_, 16))
      case b(rgb @ _*) => rgb map (s => Integer.parseInt(s * 2, 16))
      case c(rgb @ _*) => rgb map Integer.parseInt
      case d(rgb @ _*) => rgb map (s => (s.toDouble * 255).toInt)
    }) getOrElse Seq(0, 0, 0)
  }