Imagick::chopImage
(PECL imagick 2.0.0)
Imagick::chopImage — Removes a region of an image and trims
说明
Imagick::chopImage (
int
$width ,
int $height ,
int $x ,
int $y ) :
bool
Removes a region of an image and collapses the image to occupy the removed portion.
参数
-
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
返回值
成功时返回 TRUE。
错误／异常
错误时抛出 ImagickException。
范例
Example #1 Using Imagick::chopImage():
Example of using Imagick::chopImage
<?php
/* Create some objects */
$image = new Imagick();
$pixel = new ImagickPixel( 'gray' );
/* New image */
$image->newImage(400, 200, $pixel);
/* Chop image */
$image->chopImage(200, 200, 0, 0);
/* Give image a format */
$image->setImageFormat('png');
/* Output the image with headers */
header('Content-type: image/png');
echo $image;
?>
