PHP - Manual: Imagick::previewImages
2024-11-15
(PECL imagick 2, PECL imagick 3)
Imagick::previewImages — Quickly pin-point appropriate parameters for image processing
$preview
): boolTiles 9 thumbnails of the specified image with an image processing operation applied at varying strengths. This is helpful to quickly pin-point an appropriate parameter for an image processing operation.
成功时返回 true
。
错误时抛出 ImagickException。
官方地址:https://www.php.net/manual/en/imagick.previewimages.php