HaruPage
PHP 手册

HaruPage::arc

(PECL haru >= 0.0.1)

HaruPage::arcAppend an arc to the current path

说明

bool HaruPage::arc ( float $x , float $y , float $ray , float $ang1 , float $ang2 )

Appends an arc to the current path.

参数

x

Horizontal coordinate of the center.

y

Vertical coordinate of the center.

ray

The ray of the arc.

ang1

The angle of the beginning.

ang2

The angle of the end. Must be greater than ang1.

返回值

Returns TRUE on success.

错误/异常

发生错误时抛出 HaruException 异常。


HaruPage
PHP 手册