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Dieses Dokument verwendet PHP-Handbuch für chinesische Websites Freigeben
(PECL imagick 2.0.0)
Imagick::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
成功时返回 TRUE
。
错误时抛出 ImagickException。
Example #1 Using Imagick::chopImage() :
Example of using Imagick::chopImage
<?php
$image = new Imagick ();
$pixel = new ImagickPixel ( 'gray' );
$image -> newImage ( 400 , 200 , $pixel );
$image -> chopImage ( 200 , 200 , 0 , 0 );
$image -> setImageFormat ( 'png' );
header ( 'Content-type: image/png' );
echo $image ;
?>