PHP Unconference Europe 2015

Imagick::scaleImage

(PECL imagick 2.0.0)

Imagick::scaleImageScales the size of an image

Description

bool Imagick::scaleImage ( int $cols , int $rows [, bool $bestfit = false ] )
Warning

This function is currently not documented; only its argument list is available.

Scales the size of an image to the given dimensions. The other parameter will be calculated if 0 is passed as either param.

Note: The behavior of the parameter bestfit changed in Imagick 3.0.0. Before this version given dimensions 400x400 an image of dimensions 200x150 would be left untouched. In Imagick 3.0.0 and later the image would be scaled up to size 400x300 as this is the "best fit" for the given dimensions. If bestfit parameter is used both width and height must be given.

Parameters

cols

rows

bestfit

Return Values

Returns TRUE on success.

Errors/Exceptions

Throws ImagickException on error.

Changelog

Version Description
2.1.0 Added optional fit parameter. This method now supports proportional scaling. Pass zero as either parameter for proportional scaling.

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