(PECL imagick 2.0.0)
ImagickDraw::pushDefs — Indicates that following commands create named elements for early processing
��������δ��д�ĵ������в����б�
Indicates that commands up to a terminating ImagickDraw::popDefs() command create named elements (e.g. clip-paths, textures, etc.) which may safely be processed earlier for the sake of efficiency.
û�з���ֵ��