Imagick::previewImages

(PECL imagick 2.0.0)

Imagick::previewImages — Quickly pin-point appropriate parameters for image processing

说明

bool Imagick::previewImages ( int $preview )

Warning

本函数暂无文档，仅有参数列表。

Tiles 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.

参数

preview: Preview type. See Preview type constants

返回值

Returns TRUE on success.

错误／异常

Throws ImagickException on error.