Method colorString

src/model/RenderingColor.cpp:131–139

    }

    std::string RenderingColor_Impl::colorString() const {
      std::stringstream stream;
      stream << "#" << std::setfill('0') << std::setw(6) << std::uppercase << std::hex
             << renderingRedValue() * 65536 + renderingGreenValue() * 256 + renderingBlueValue();

      std::string result = stream.str();
      OS_ASSERT(result.size() == 7);
      return result;
    }

  }  // namespace detail