Imagick::getPixelIterator

    (PECL imagick 2, PECL imagick 3)

    Imagick::getPixelIterator — Returns a MagickPixelIterator

    Description

    publicImagick::getPixelIterator(): ImagickPixelIterator

    Returns a MagickPixelIterator.

    Parameters

    This function has no parameters.

    Return Values

    Returns an ImagickPixelIterator on success.

    Errors/Exceptions

    Throws ImagickException on error.

    Examples

    Example #1 Imagick::getPixelIterator()

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

    foreach (    $imageIterator as $row => $pixels) {
    foreach ($pixels as $column => $pixel) {

    if ($column % 2) {
    $pixel->setColor("rgba(0, 0, 0, 0)");
    }
    }
    $imageIterator->syncIterator();
    }

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

    ?>
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