GoLang ImagickPixelIterator::setIteratorRow

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PHP ImagickPixelIterator::setIteratorRow

PHP original manual for ImagickPixelIterator::setIteratorRow [ show | php.net ]

ImagickPixelIterator::setIteratorRow

(PECL imagick 2.0.0)

ImagickPixelIterator::setIteratorRowSet the pixel iterator row

Description

bool ImagickPixelIterator::setIteratorRow ( int $row )
Warning

This function is currently not documented; only its argument list is available.

Set the pixel iterator row.

Parameters

row

Return Values

Returns TRUE on success.

Examples

Example #1 ImagickPixelIterator::setIteratorRow()

<?php
function setIteratorRow($imagePath) {
    
$imagick = new \Imagick(realpath($imagePath));
    
$imageIterator $imagick->getPixelRegionIterator(200100200200);

    for (
$x 0$x 20$x++) {        
        
$imageIterator->setIteratorRow($x 5);
        
$pixels $imageIterator->getCurrentIteratorRow();
        
/* Loop through the pixels in the row (columns) */
        
foreach ($pixels as $pixel) {
            
/** @var $pixel \ImagickPixel */
            /* 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();
    }

    
header("Content-Type: image/jpg");
    echo 
$imagick;
}

?>