Php/docs/imagickpixeliterator.setiteratorrow
ImagickPixelIterator::setIteratorRow
(PECL imagick 2, PECL imagick 3)
ImagickPixelIterator::setIteratorRow — Set the pixel iterator row
Description
public ImagickPixelIterator::setIteratorRow
( int $row
) : bool
Warning This function is currently not documented; only its argument list is available.
Set the pixel iterator row.
Parameters
row
Return Values
Returns TRUE on success.
Examples
Example #1 ImagickPixelIterator::setIteratorRow()
<?phpfunction setIteratorRow($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;}?>
