(PECL imagick 2.0.0)
ImagickDraw::setClipPath — Associates a named clipping path with the image
$clip_mask
)本函数还未编写文档，仅有参数列表。
Associates a named clipping path with the image. Only the areas drawn on by the clipping path will be modified as long as it remains in effect.
clip_mask
the clipping path name
没有返回值。