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(PECL imagick 2, PECL imagick 3)
ImagickDraw::getStrokeAntialias — Returns the current stroke antialias setting
本函数还未编写文档，仅有参数列表。
Returns the current stroke antialias setting. Stroked outlines are antialiased by default. When antialiasing is disabled stroked pixels are thresholded to determine if the stroke color or underlying canvas color should be used.
Returns true if antialiasing is on and false if it is off.
