ImagickPixelIterator::getNextIteratorRow
(PECL imagick 2.0.0)
ImagickPixelIterator::getNextIteratorRow — Returns the next row of the pixel iterator
Опис
array ImagickPixelIterator::getNextIteratorRow
( void
)
Увага
This function is currently not documented; only its argument list is available.
Returns the next row as an array of pixel wands from the pixel iterator.
Значення, що повертаються
Returns the next row as an array of ImagickPixel objects, throwing ImagickPixelIteratorException on error.
Приклади
Приклад #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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