Imagick
PHP Manual

Imagick::previewImages

(PECL imagick 2.0.0)

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

Beschreibung

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.

Parameter-Liste

preview

Preview type. See Preview type constants

Rückgabewerte

Liefert TRUE bei Erfolg.

Fehler/Exceptions

Wirft ImagickException bei Fehlern.


Imagick
PHP Manual