Offsets an image

# Imagick::rollImage

(PECL imagick 2, PECL imagick 3)

Imagick::rollImage — Offsets an image

### 说明

public function 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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