Php/docs/imagickpixeliterator.construct

• PHP Manual
• ImagickPixelIterator
• The ImagickPixelIterator constructor

ImagickPixelIterator::__construct

(PECL imagick 2, PECL imagick 3)

ImagickPixelIterator::__construct — The ImagickPixelIterator constructor

Description

public ImagickPixelIterator::__construct ( Imagick $wand )

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

The ImagickPixelIterator constructor

Return Values

Returns TRUE on success.

Examples

Example #1 ImagickPixelIterator::construct()

<?phpfunction construct($imagePath) {    $imagick = new \Imagick(realpath($imagePath));    $imageIterator = new \ImagickPixelIterator($imagick);    /* Loop through pixel rows */    foreach ($imageIterator as $pixels) {         /* Loop through the pixels in the row (columns) */        foreach ($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();    }    header("Content-Type: image/jpg");    echo $imagick;}?>