CascadiaPHP 2024

ImagickPixelIterator::setIteratorRow

(PECL imagick 2, PECL imagick 3)

ImagickPixelIterator::setIteratorRowSet the pixel iterator row

Description

public ImagickPixelIterator::setIteratorRow(int $row): bool
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(200, 100, 200, 200);

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;
}

?>

add a note

User Contributed Notes

There are no user contributed notes for this page.
To Top