ImagickPixelIterator::__construct
(PECL imagick 2.0.0)
ImagickPixelIterator::__construct — The ImagickPixelIterator constructor
Description
ImagickPixelIterator::__construct ( Imagick $wand )Warning
This function is currently not documented; only its argument list is available.
The ImagickPixelIterator constructor
Return Values
Returns TRUE on success.
Examples
Example #1 ImagickPixelIterator::construct()
<?php
function?construct($imagePath)?{
????$imagick?=?new?\Imagick(realpath($imagePath));
????$imageIterator?=?new?\ImagickPixelIterator($imagick);
????/*?Loop?through?pixel?rows?*/
????foreach?($imageIterator?as?$pixels)?{?
????????/*?Loop?through?the?pixels?in?the?row?(columns)?*/
????????foreach?($pixels?as?$column?=>?$pixel)?{?
????????????/**?@var?$pixel?\ImagickPixel?*/
????????????if?($column?%?2)?{
????????????????/*?Paint?every?second?pixel?black*/
????????????????$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;
}
?>← ImagickPixelIterator::clear
ImagickPixelIterator::destroy →
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