ImagickPixelIterator::getNextIteratorRow
(PECL imagick 2.0.0)
ImagickPixelIterator::getNextIteratorRow — Returns the next row of the pixel iterator
설명
array ImagickPixelIterator::getNextIteratorRow
( void
)
Warning
이 함수는 현재 문서화 되어있지 않습니다; 인수 목록만을 제공합니다.
Returns the next row as an array of pixel wands from the pixel iterator.
반환값
Returns the next row as an array of ImagickPixel objects, throwing ImagickPixelIteratorException on error.
예제
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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