(PECL haru >= 0.0.1)
HaruPage::setLineCap — Set the shape to be used at the ends of lines
$cap) : bool
Defines the shape to be used at the ends of lines.
Must be one of the following values:
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.
TRUE on success.
发生错误时抛出 HaruException 异常。