Imagick
PHP Manual

Imagick::previewImages

(PECL imagick 2.0.0)

Imagick::previewImagesQuickly pin-point appropriate parameters for image processing

Descrizione

bool Imagick::previewImages ( int $preview )

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.

Elenco dei parametri

preview

Preview type. See Preview type constants

Valori restituiti

Restituisce TRUE in caso di successo.

Errori/Eccezioni

Lancia una ImagickException in caso di errore.


Imagick
PHP Manual