ImagickKernel::getMatrix
(PECL imagick >= 3.3.0)
ImagickKernel::getMatrix — Description
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;
?>
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