Imagick::getImageRegion
(PECL imagick 2, PECL imagick 3)
Imagick::getImageRegion — Extracts a region of the image
说明
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。