function showwatermark($quality = 100, $name = '')
{
$basedir = $_SERVER['DOCUMENT_ROOT'] . "/gallery/upload";
$watermarkimage = "w_mark.png";
$watermark = $basedir . "/" . $watermarkimage;
$waterthumb = new Thumbnail($watermark);
$im = $waterthumb->resizewatermark();
imagecopyresampled($this->newImage, $im, imagesx($this->newImage) / 2 - imagesx($im) / 2, imagesy($this->newImage) - imagesy($im), 0, 0, imagesx($im), imagesy($im), imagesx($im), imagesy($im));
switch ($this->format) {
case 'GIF':
if ($name != '') {
ImageGif($this->newImage, $name);
} else {
header('Content-type: image/gif');
ImageGif($this->newImage);
}
break;
case 'JPG':
if ($name != '') {
ImageJpeg($this->newImage, $name, $quality);
} else {
header('Content-type: image/jpeg');
ImageJpeg($this->newImage, '', $quality);
}
break;
case 'PNG':
if ($name != '') {
ImagePng($this->newImage, $name);
} else {
header('Content-type: image/png');
ImagePng($this->newImage);
}
break;
}
}
