Longhorn PHP 2023 - Call for Papers

ImagickPixelIterator::clear

(PECL imagick 2, PECL imagick 3)

ImagickPixelIterator::clearClear resources associated with a PixelIterator

Description

public ImagickPixelIterator::clear(): bool
Warning

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

Clear resources associated with a PixelIterator.

Return Values

Returns true on success.

Examples

Example #1 ImagickPixelIterator::clear()

<?php
function clear($imagePath) {
$imagick = new \Imagick(realpath($imagePath));

$imageIterator = $imagick->getPixelRegionIterator(100, 100, 250, 200);

/* Loop through pixel rows */
foreach ($imageIterator as $pixels) {
/** @var $pixel \ImagickPixel */
/* Loop through the pixels in the row (columns) */
foreach ($pixels as $column => $pixel) {
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();
}

$imageIterator->clear();

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

?>

add a note

User Contributed Notes

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