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.

Parameters

This function has no parameters.

Return Values

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

Examples

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;

?>

Found A Problem?

Learn How To Improve This Page • Submit a Pull Request • Report a Bug

＋add a note

User Contributed Notes

There are no user contributed notes for this page.