ImagickPixelIterator::getNextIteratorRow
(PECL imagick 2.0.0)
ImagickPixelIterator::getNextIteratorRow — Returns the next row of the pixel iterator
Description
array ImagickPixelIterator::getNextIteratorRow ( void )Warning
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.
Return Values
Returns the next row as an array of ImagickPixel objects, throwing ImagickPixelIteratorException on error.
Examples
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;
}
?>← ImagickPixelIterator::getIteratorRow
ImagickPixelIterator::getPreviousIteratorRow →
? 1997–2017 The PHP Documentation GroupLicensed under the Creative Commons Attribution License v3.0 or later.
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