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Imagick::rollImage

(PECL imagick 2.0.0)

Imagick::rollImageOffsets an image

说明

Imagick::rollImage ( int $x , int $y ) : bool

Offsets an image as defined by x and y.

参数

x

The X offset.

y

The Y offset.

返回值

成功时返回 TRUE

范例

Example #1 Imagick::rollImage()

<?php
function rollImage($imagePath$rollX$rollY) {
    
$imagick = new \Imagick(realpath($imagePath));
    
$imagick->rollimage($rollX$rollY);
    
header("Content-Type: image/jpg");
    echo 
$imagick->getImageBlob();
}

?>

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simonjjarrett at gmail dot com
8 months ago
This function will make the image wrap around from bottom to top or side to side, hence "roll". If you want to just offset an image without the wrap-around, use Imagick::extentImage instead.
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