ImagickKernel::separate
(PECL imagick >= 3.3.0)
ImagickKernel::separate — Description
説明
public array ImagickKernel::separate
( void
)
Separates a linked set of kernels and returns an array of ImagickKernels.
パラメータ
この関数にはパラメータはありません。
返り値
例
例1 ImagickKernel::separate()
<?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;
}
$matrix = [
[-1, 0, -1],
[ 0, 4, 0],
[-1, 0, -1],
];
$kernel = \ImagickKernel::fromMatrix($matrix);
$kernel->scale(4, \Imagick::NORMALIZE_KERNEL_VALUE);
$diamondKernel = \ImagickKernel::fromBuiltIn(
\Imagick::KERNEL_DIAMOND,
"2"
);
$kernel->addKernel($diamondKernel);
$kernelList = $kernel->separate();
$output = '';
$count = 0;
foreach ($kernelList as $kernel) {
$output .= "<br/>Kernel $count<br/>";
$output .= renderKernelTable($kernel->getMatrix());
$count++;
}
return $output;
?>
忘却曲線を使ってこの知識を確実に記憶に残す
