--TEST-- Test Imagick, getPixelRegionIterator --SKIPIF-- --FILE-- newPseudoImage(640, 480, "magick:logo"); $imageIterator = $imagick->getPixelRegionIterator(100, 100, 200, 200); /** @noinspection PhpUnusedLocalVariableInspection */ foreach ($imageIterator as $row => $pixels) { /* Loop trough pixel rows */ foreach ($pixels as $column => $pixel) { /* Loop through the pixels in the row (columns) */ /** @var $pixel \ImagickPixel */ if ($column % 2) { $pixel->setColor("rgba(0, 0, 0, 0)"); /* Paint every second pixel black*/ } } $imageIterator->syncIterator(); /* Sync the iterator, this is important to do on each iteration */ } $bytes = $imagick; if (strlen($bytes) <= 0) { echo "Failed to generate image.";} } getPixelRegionIterator() ; echo "Ok"; ?> --EXPECTF-- Ok