1--TEST--
2Test Imagick, negateImage
3--SKIPIF--
4<?php
5$imageMagickRequiredVersion=0x675;
6require_once(dirname(__FILE__) . '/skipif.inc');
7?>
8--FILE--
9<?php
10
11$grayOnly = 0;
12$channel = Imagick::CHANNEL_DEFAULT;
13
14function negateImage($grayOnly, $channel) {
15    $imagick = new \Imagick();
16    $imagick->newPseudoImage(640, 480, "magick:logo");
17    $imagick->negateImage($grayOnly, $channel);
18    $bytes = $imagick->getImageBlob();
19    if (strlen($bytes) <= 0) { echo "Failed to generate image.";}
20}
21
22negateImage($grayOnly, $channel) ;
23echo "Ok";
24?>
25--EXPECTF--
26Ok