ImagickPixelIterator::getNextIteratorRow
(PECL imagick 2, PECL imagick 3)
ImagickPixelIterator::getNextIteratorRow — Returns the next row of the pixel iterator
Descrierea
public ImagickPixelIterator::getNextIteratorRow
(
) : array
Avertizare
Această funcție nu este documentată în prezent; este disponibilă numai lista sa de argumente.
Returns the next row as an array of pixel wands from the pixel iterator.
Valorile întoarse
Returns the next row as an array of ImagickPixel objects, throwing ImagickPixelIteratorException on error.
Exemple
Example #1 ImagickPixelIterator::getNextIteratorRow()
<?php
function getNextIteratorRow($imagePath) {
$imagick = new \Imagick(realpath($imagePath));
$imageIterator = $imagick->getPixelIterator();
$count = 0;
while ($pixels = $imageIterator->getNextIteratorRow()) {
if (($count % 3) == 0) {
/* Loop through the pixels in the row (columns) */
foreach ($pixels as $column => $pixel) {
/** @var $pixel \ImagickPixel */
if ($column % 2) {
/* Paint every second pixel black*/
$pixel->setColor("rgba(0, 0, 0, 0)");
}
}
/* Sync the iterator, this is important to do on each iteration */
$imageIterator->syncIterator();
}
$count += 1;
}
header("Content-Type: image/jpg");
echo $imagick;
}
?>
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