Imagick::rollImage

(PECL imagick 2, PECL imagick 3)

Imagick::rollImage — Offsets an image

说明

public 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。

示例

示例 #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 ¶

4 years 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.