(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;
?>
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