ImagickPixelIterator::clear
(PECL imagick 2.0.0)
ImagickPixelIterator::clear — Clear resources associated with a PixelIterator
Description
bool ImagickPixelIterator::clear ( void )Warning
This function is currently not documented; only its argument list is available.
Clear resources associated with a PixelIterator.
Return Values
Returns TRUE on success.
Examples
Example #1 ImagickPixelIterator::clear()
<?php
function?clear($imagePath)?{
????$imagick?=?new?\Imagick(realpath($imagePath));
????$imageIterator?=?$imagick->getPixelRegionIterator(100,?100,?250,?200);
????/*?Loop?through?pixel?rows?*/
????foreach?($imageIterator?as?$pixels)?{?
????????/**?@var?$pixel?\ImagickPixel?*/
????????/*?Loop?through?the?pixels?in?the?row?(columns)?*/
????????foreach?($pixels?as?$column?=>?$pixel)?{?
????????????if?($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();
????}
????$imageIterator->clear();
????header("Content-Type:?image/jpg");
????echo?$imagick;
}
?>← ImagickPixelIterator
ImagickPixelIterator::__construct →
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