Sets the image background color

# Gmagick::setimagebackgroundcolor

(PECL gmagick >= Unknown)

Gmagick::setimagebackgroundcolor — Sets the image background color

### 说明

public function Gmagick::setimagebackgroundcolor(GmagickPixel `$color`): Gmagick

Sets the image background color.

### 参数

`color`
  The background pixel wand.

### 返回值

The Gmagick object.

### 错误／异常

错误时抛出 GmagickException。

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