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    ImagickPixelIterator::setIteratorRow

    (PECL imagick 2, PECL imagick 3)

    ImagickPixelIterator::setIteratorRow — Set the pixel iterator row

    Descrição

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

    Esta função não está documentada; apenas a lista de argumentos está disponível.

    Set the pixel iterator row.

    Parâmetros

    row

    Valor Retornado

    Retorna true em caso de sucesso.

    Exemplos

    Exemplo #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;
    }

    ?>

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