(PECL haru >= 0.0.1)
HaruPage::getLineJoin — Get the current line join style
Get the current line join style.
This function has no parameters.
Returns the current line join style. The result value is one of the following:
HaruPage::MITER_JOIN
    HaruPage::ROUND_JOIN
    HaruPage::BEVEL_JOIN
    Throws a HaruException on error.