The 5th Annual China PHP Conference


(PECL imagick 2.0.0)

ImagickPixelIterator::getNextIteratorRowReturns the next row of the pixel iterator


array ImagickPixelIterator::getNextIteratorRow ( void )

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.


Example #1 ImagickPixelIterator::getNextIteratorRow()

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 */

$count += 1;

header("Content-Type: image/jpg");


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