PHP Imagine\Filter\Advanced OnPixelBased Examples

Example #1

File: Grayscale.php Project: sergiimazurok/koziuck

 public function __construct()
 {
     parent::__construct(function (ImageInterface $image, Point $point) {
         $color = $image->getColorAt($point);
         $image->draw()->dot($point, $color->grayscale());
     });
 }

Example #2

File: Grayscale.php Project: noorafree/makmakan

 public function __construct()
 {
     parent::__construct(function (ImageInterface $image, Point $point) {
         $color = $image->getColorAt($point);
         $gray = min(255, round(($color->getRed() + $color->getBlue() + $color->getGreen()) / 3));
         $image->draw()->dot($point, new Color(array('red' => $gray, 'green' => $gray, 'blue' => $gray)));
     });
 }