Imagick::chopImage()

(PECL imagick 2.0.0)

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;
?>

参见

Imagick::cropImage() 截图图片的一块区域