Offsets an image

# Gmagick::rollimage

(PECL gmagick >= Unknown)

Gmagick::rollimage — Offsets an image

### 说明

public function Gmagick::rollimage(int `$x`, int `$y`): Gmagick

Offsets an image as defined by x and y.

### 参数

`x`
  The x offset.
`y`
  The y offset.

### 返回值

The Gmagick object on success

### 错误／异常

错误时抛出 GmagickException。

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