(PECL haru >= 0.0.1)
HaruPage::getLineCap — Get the current line cap style
Get the current line cap style.
Bu işlevin değiştirgesi yoktur.
Returns the current line cap style. The result value is one of the following:
HaruPage::BUTT_END - the line is squared off at the endpoint of the path. 
    HaruPage::ROUND_END - the end of the line becomes a semicircle with center in the end point of the path.
    HaruPage::PROJECTING_SCUARE_END - the line continues to the point that exceeds half of the stroke width the end point.
    Hata durumunda bir HaruException istisnası oluşur.