- PHP 手册
- 函数参考
- 图像生成和处理
- ImageMagick
- Imagick
Imagick::rollImage
(PECL imagick 2, PECL imagick 3)
Imagick::rollImage — Offsets an image
说明
public Imagick::rollImage(int$x, int $y): bool
Offsets an image as defined by x and y.
参数
-
x -
The X offset.
-
y -
The Y offset.
返回值
成功时返回 true。
范例
示例 #1 Imagick::rollImage()
<?php
function rollImage($imagePath, $rollX, $rollY) {
$imagick = new \Imagick(realpath($imagePath));
$imagick->rollimage($rollX, $rollY);
header("Content-Type: image/jpg");
echo $imagick->getImageBlob();
}
?>
User Contributed Notes 1 note
up down 1 simonjjarrett at gmail dot com ¶2 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.
add a note
官方地址：https://www.php.net/manual/en/imagick.rollimage.php