Edit Report a Bug

    ImagickPixelIterator::setIteratorRow

    (PECL imagick 2, PECL imagick 3)

    ImagickPixelIterator::setIteratorRow — Set the pixel iterator row

    Descrizione

    public ImagickPixelIterator::setIteratorRow(int $row): bool
    Avviso

    Questa funzione, al momento non è documentata; è disponibile soltanto la lista degli argomenti.

    Set the pixel iterator row.

    Elenco dei parametri

    row

    Valori restituiti

    Restituisce true in caso di successo.

    Esempi

    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 add a note

    User Contributed Notes

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