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Imagick::getImageRegion

(PECL imagick 2.0.0)

Imagick::getImageRegion — Extracts a region of the image

说明

Imagick::getImageRegion ( int $width , int $height , int $x , int $y ) : Imagick

Extracts a region of the image and returns it as a new Imagick object.

参数

width

The width of the extracted region.

height

The height of the extracted region.

x

X-coordinate of the top-left corner of the extracted region.

y

Y-coordinate of the top-left corner of the extracted region.

返回值

Extracts a region of the image and returns it as a new wand.

错误／异常

错误时抛出 ImagickException。