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<Imagick::posterizeImageImagick::previousImage>
^ImagickLast updated: Mon, 26 Oct 2026

Imagick::previewImages

(PECL imagick 2, PECL imagick 3)

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

Description

public function 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.

Parameters

preview

Preview type. See Preview type constants

Return Values

Returns true on success.

Errors/Exceptions

Throws ImagickException on error.


<Imagick::posterizeImageImagick::previousImage>
^ImagickLast updated: Mon, 26 Oct 2026