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    Imagick::getPixelRegionIterator

    (PECL imagick 2.0.0)

    Imagick::getPixelRegionIterator — Get an ImagickPixelIterator for an image section

    說明

    ImagickPixelIterator Imagick::getPixelRegionIterator ( int $x , int $y , int $columns , int $rows )

    Get an ImagickPixelIterator for an image section.

    參數

    x

    The x-coordinate of the region.

    y

    The y-coordinate of the region.

    columns

    The width of the region.

    rows

    The height of the region.

    回傳值

    Returns an ImagickPixelIterator for an image section.

    錯誤/例外

    錯誤時拋出 ImagickException。

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