Imagick::chopImage

(PECL imagick 2.0.0)

Imagick::chopImage — Removes a region of an image and trims

说明

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

Warning

本函数还未编写文档，仅有参数列表。

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

Returns TRUE on success.

错误/异常

Throws ImagickException on error.

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;

?>

参见

Imagick::cropImage() - Extracts a region of the image