(PECL imagick 2.0.0)
ImagickDraw::setStrokeLineJoin — Specifies the shape to be used at the corners of paths when they are stroked
本函数还未编写文档，仅有参数列表。
Specifies the shape to be used at the corners of paths (or other vector shapes) when they are stroked.
LINEJOIN_ constant
没有返回值。