ImagickKernel::getMatrix

(PECL imagick >= 3.3.0)

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

Descrizione

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.

Elenco dei parametri

Questa funzione non contiene parametri.

Valori restituiti

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

Esempi

Example #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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