Creates a crop thumbnail

# Gmagick::cropthumbnailimage

(PECL gmagick >= Unknown)

Gmagick::cropthumbnailimage — Creates a crop thumbnail

### 说明

public function Gmagick::cropthumbnailimage(int `$width`, int `$height`): Gmagick

Creates a fixed size thumbnail by first scaling the image down and cropping a specified area from the center.

### 参数

`width`
  The width of the thumbnail.
`height`
  The Height of the thumbnail.

### 返回值

The cropped Gmagick object.

### 错误／异常

错误时抛出 GmagickException。

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