ImagickPixelIterator::__construct

    (PECL imagick 2, PECL imagick 3)

    ImagickPixelIterator::__construct — The ImagickPixelIterator constructor

    说明

    publicImagickPixelIterator::__construct(Imagick$wand)
    警告

    本函数还未编写文档，仅有参数列表。

    The ImagickPixelIterator constructor

    返回值

    成功时返回 true。

    示例

    示例 #1 ImagickPixelIterator::construct()

    <?php
    function construct($imagePath) {
    $imagick = new \Imagick(realpath($imagePath));
    $imageIterator = new \ImagickPixelIterator($imagick);


    foreach ($imageIterator as $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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