Animated GIF bugged colors #6

<?php

include 'GifFrameExtractor.php';
include 'GifCreator.php';
include 'ImageWorkshop.php';

$gifPath = 'teac.gif';

if(GifFrameExtractor::isAnimatedGif($gifPath)) {
$gfe = new GifFrameExtractor();
$frames = $gfe->extract($gifPath);

$watermarkLayer = ImageWorkshop::initFromPath('wm.png');

$retouchedFrames = array();
//$it = 0;
foreach ($frames as $frame) {
    $frameLayer = ImageWorkshop::initFromResourceVar($frame['image']);
    $frameLayer->resizeInPixel($frameLayer->width, $frameLayer->height, false);
    $frameLayer->addLayerOnTop($watermarkLayer, 20, 20, 'LB');
    $image = $frameLayer->getResult();

    // Creating all the GIF Images
    //imagejpeg($image, 'test' . $it . '.jpg', 95);
    $retouchedFrames[] = $frameLayer->getResult();
    //$it++;

}
// Then we re-generate the GIF
$gc = new GifCreator();
$gc->create($retouchedFrames, $gfe->getFrameDurations(), 0);
// And now save it !
file_put_contents('newgif.gif', $gc->getGif());
}
?>