Imagick::previewImages

(PECL imagick 2.0.0)

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

说锟斤拷

Imagick::previewImages ( int $preview ) : bool

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.

锟斤拷锟斤拷

preview: Preview type. See Preview type constants

锟斤拷锟斤拷值

锟缴癸拷时锟斤拷锟斤拷 TRUE锟斤拷

锟斤拷锟斤拷锟届常

锟斤拷锟斤拷时锟阶筹拷 ImagickException锟斤拷