PHP. Руководство по PHP. 2005
ps_arcn
ps_arcn
Описание
bool ps_arcn (resource psdoc, float x, float y, float radius, float alpha, float beta)Draws a portion of a circle with at middle point at (x, y). The arc starts at an angle of alpha and ends at an angle of beta. It is drawn clockwise. The subpath added to the current path starts on the arc at angle beta and ends on the arc at angle alpha.
