Imagick::chopImage

(PECL imagick 2.0.0)

Imagick::chopImageRemoves a region of an image and trims

说明

bool Imagick::chopImage ( int $width , int $height , int $x , int $y )

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 */
$image->newImage(400200$pixel);

/* Chop image */
$image->chopImage(20020000);

/* Give image a format */
$image->setImageFormat('png');

/* Output the image with headers */
header('Content-type: image/png');
echo 
$image;

?>

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