Imagick::chopImage

(PECL imagick 2, PECL imagick 3)

Imagick::chopImageRemoves a region of an image and trims

说明

public 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。

示例

示例 #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;

?>

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