Imagick::previewImages

(PECL imagick 2.0.0)

Quickly pin-point appropriate parameters for image processing

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.

Parameters:

preview

Preview type. See Preview type constants

Returns:

Returns TRUE on success.

Exception:

Throws ImagickException on error.

Links:

http://php.net/manual/en/imagick.previewimages.php

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2016-02-24 16:01:13

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