The Imagick class
PHP Manual

Imagick::adaptiveResizeImage

(PECL imagick 2.0.0)

Imagick::adaptiveResizeImageAdaptively resize image with data dependent triangulation

Descrição

bool Imagick::adaptiveResizeImage ( int $columns , int $rows [, bool $bestfit = false ] )

Adaptively resize image with data-dependent triangulation. Avoids blurring across sharp color changes. Most useful when used to shrink images slightly to a slightly smaller "web size"; may not look good when a full-sized image is adaptively resized to a thumbnail. Este método esta disponível apenas se Imagick foi compilado com ImageMagick versão 6.2.9 ou mais nova.

Nota: 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.

Parâmetros

columns

The number of columns in the scaled image.

rows

The number of rows in the scaled image.

bestfit

Whether to fit the image inside a bounding box.

Valor Retornado

Retorna TRUE em sucesso.

Erros

Dispara ImagickException em erro.

Histórico

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

Exemplos

Exemplo #1 Using Imagick::adaptiveResizeImage()

Resize an image to a standard size for the web. This method works best when resizing to a size only slightly smaller than the previous image size.

<?php
header
('Content-type: image/jpeg');

$image = new Imagick('image.jpg');
$image->adaptiveResizeImage(1024,768);

echo 
$image;
?>

Veja Também


The Imagick class
PHP Manual