ImagickKernel::getMatrix

(PECL imagick >= 3.3.0)

ImagickKernel::getMatrix — Get the 2d matrix of values used in this kernel

Description

public ImagickKernel::getMatrix(): array

Get the 2d matrix of values used in this kernel. The elements are either float for elements that are used or 'false' if the element should be skipped.

Liste de paramètres

Cette fonction ne contient aucun paramètre.

Valeurs de retour

A matrix (2d array) of the values that represent the kernel.

Exemples

Exemple #1 ImagickKernel::getMatrix()

<?php


function renderKernelTable($matrix) {
    $output = "<table class='infoTable'>";

    foreach ($matrix as $row) {
        $output .= "<tr>";
        foreach ($row as $cell) {
            $output .= "<td style='text-align:left'>";
            if ($cell === false) {
                $output .= "false";
            }
            else {
                $output .= round($cell, 3);
            }
            $output .= "</td>";
        }
        $output .= "</tr>";
    }

    $output .= "</table>";

    return $output;
}

    $output = "The built-in kernel name 'ring' with parameters of '2,3.5':<br/>";
    $kernel = \ImagickKernel::fromBuiltIn(
        \Imagick::KERNEL_RING,
        "2,3.5"
    );
    $matrix = $kernel->getMatrix();
    $output .= renderKernelTable($matrix);

    echo $output;

?>

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