--TEST-- Test Imagick, linearStretchImage --SKIPIF-- --FILE-- newPseudoImage(640, 480, "magick:logo"); $pixels = $imagick->getImageWidth() * $imagick->getImageHeight(); $imagick->linearStretchImage($blackThreshold * $pixels, $whiteThreshold * $pixels); $bytes = $imagick->getImageBlob(); if (strlen($bytes) <= 0) { echo "Failed to generate image.";} } linearStretchImage($blackThreshold, $whiteThreshold) ; echo "Ok"; ?> --EXPECTF-- Ok