/**
* Creates and returns a thumbnail image object from an image file
*
* @param string $file file to convert
* @param boolean $inline thumbs or zoom
*
* @return null/$new_image
*/
public static function createThumbnail($file, $inline = false)
{
if ($inline == true) {
$max_width = 100;
$max_height = 200;
} else {
if (is_int(SetUp::getConfig('thumbnails_width'))) {
$max_width = SetUp::getConfig('thumbnails_width');
} else {
$max_width = 200;
}
if (is_int(SetUp::getConfig('thumbnails_height'))) {
$max_height = SetUp::getConfig('thumbnails_height');
} else {
$max_height = 200;
}
}
if (File::isPdfFile($file)) {
$image = ImageServer::openPdf($file);
} else {
$image = ImageServer::openImage($file);
}
if ($image == false) {
return;
}
imagealphablending($image, true);
imagesavealpha($image, true);
$width = imagesx($image);
$height = imagesy($image);
$new_width = $max_width;
$new_height = $max_height;
if ($width / $height > $new_width / $new_height) {
$new_height = $new_width * ($height / $width);
} else {
$new_width = $new_height * ($width / $height);
}
if ($new_width >= $width && $new_height >= $height) {
$new_width = $width;
$new_height = $height;
}
$new_image = ImageCreateTrueColor($new_width, $new_height);
imagealphablending($new_image, true);
imagesavealpha($new_image, true);
$trans_colour = imagecolorallocatealpha($new_image, 0, 0, 0, 127);
imagefill($new_image, 0, 0, $trans_colour);
imagecopyResampled($new_image, $image, 0, 0, 0, 0, $new_width, $new_height, $width, $height);
return $new_image;
}
