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(PECL gmagick >= Unknown)
Gmagick::chopimage — Removes a region of an image and trims
$width
, int $height
, int $x
, int $y
)Removes a region of an image and collapses the image to occupy the removed portion.
width Width of the chopped area
height Height of the chopped area
x X origo of the chopped area
y Y origo of the chopped area
The chopped Gmagick object
错误时抛出 GmagickException。