(PECL imagick 2, PECL imagick 3)
ImagickPixelIterator::newPixelRegionIterator — Returns a new pixel iterator
$wand,$x,$y,$columns,$rowsThis function is currently not documented; only its argument list is available.
Returns a new pixel iterator.
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Returns a new ImagickPixelIterator on success; on failure, throws ImagickPixelIteratorException.