PHP 手册
后退 |  | 前进

# ps_arcn

(no version information, might be only in CVS)

ps_arcn -- Draws an arc clockwise

## 说明

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.

## 返回值

如果成功则返回 `TRUE`，失败则返回 `FALSE`。

## 参见

ps_arc()

后退 | 起点 | 前进
ps_arc | 上一级 | ps_begin_page