ImagickKernel::getMatrix

(PECL imagick >= 3.3.0)

Description

public array ImagickKernel::getMatrix ( void )

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.

Returns:

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

Examples:

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;
 
?>

Links:

http://php.net/manual/en/imagickkernel.getmatrix.php

doc_php

2025-01-10 15:47:30

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