';
$fullAlbum = !empty($_REQUEST['fullalbum']) ? 1 : 0;
$image_ext_string = implode(',',$image_ext); // convert array to string
/***** PHP functions *****/
// sanitize string
function fg_sanitize($string)
{
$string = htmlspecialchars(trim($string), ENT_QUOTES, 'UTF-8');
return $string;
}
// encode string to
function encodeto($string)
{
$string = mb_convert_encoding(trim($string), 'UTF-8', 'HTML-ENTITIES');
return $string;
}
// function to show thumbnail for each image
function show_thumb($root, $fgDir, $albumsDir, $folder, $thumbs_dir, $file, $make_thumb_width, $thumb_class='', $thumb_title='', $create_thumb=1) {
$image_ext = ['jpg','jpeg','png','gif','JPG','JPEG','PNG','GIF','webp','WEBP'];
$html = '';
$file_parts = pathinfo($file);
$filename = $file_parts['filename'];
$ext = $file_parts['extension'];
if (file_exists($root.$albumsDir.'/'.$folder.'/'.$thumbs_dir.'/'.$filename.'.'.$ext))
{
return '
';
}
else
{
if(in_array($ext,$image_ext))
{
if($create_thumb==0)
{
make_thumb($root.$albumsDir.'/'.$folder, $file, $root.$albumsDir.'/'.$folder.'/thumbs/'.$file, $make_thumb_width);
}
return '';
}
elseif(file_exists($root.$albumsDir.'/'.$folder.'/'.$thumbs_dir.'/'.$filename.'.jpg'))
{
return '
';
}
elseif(file_exists('images/'.$ext.'.jpg'))
{
return '
';
}
else
{
return '
';
}
}
}
// function to create thumbnails from images
function make_thumb($folder, $file, $dest, $thumb_width)
{
$file_parts = pathinfo($file);
$ext = strtolower($file_parts['extension']);
if(isset($ext) && $ext != '')
{
switch($ext)
{
case "jpeg":
case "jpg":
$source_image = imagecreatefromjpeg($folder.'/'.$file);
break;
case "png":
$source_image = imagecreatefrompng($folder.'/'.$file);
break;
case "gif":
$source_image = imagecreatefromgif($folder.'/'.$file);
break;
case "webp":
$source_image = imagecreatefromwebp($folder.'/'.$file);
break;
}
if(isset($source_image))
{
$width = imagesx($source_image);
$height = imagesy($source_image);
if($width < $thumb_width) // if original image is smaller don't resize it
{
$thumb_width = $width;
$thumb_height = $height;
}
else
{
$thumb_height = floor($height*($thumb_width/$width));
}
$virtual_image = imagecreatetruecolor($thumb_width,$thumb_height);
if($ext == "gif" or $ext == "png") // preserve transparency
{
imagecolortransparent($virtual_image, imagecolorallocatealpha($virtual_image, 0, 0, 0, 127));
imagealphablending($virtual_image, false);
imagesavealpha($virtual_image, true);
}
imagecopyresampled($virtual_image,$source_image,0,0,0,0,$thumb_width,$thumb_height,$width,$height);
switch($ext)
{
case 'jpeg':
case 'jpg': imagejpeg ($virtual_image, $dest);
break;
case 'gif': imagegif($virtual_image, $dest);
break;
case 'png': imagepng($virtual_image, $dest);
break;
case 'webp': imagewebp($virtual_image, $dest);
break;
}
imagedestroy($virtual_image);
imagedestroy($source_image);
}
}
}
// get album and image descriptions
function itemDescription($album, $file='')
{
if(file_exists($album.'/descriptions/descriptions.txt'))
{
$lines_array = file($album.'/descriptions/descriptions.txt', FILE_IGNORE_NEW_LINES | FILE_SKIP_EMPTY_LINES);
if($lines_array)
{
if($file == '')
{
$album_line = explode(';', $lines_array[0]);
return (!empty($album_line[0]) && $album_line[0] == 'album' ? $album_line[1] : '');
}
else
{
foreach($lines_array as $img_line)
{
if(!empty($img_line))
{
$img_desc = explode(';', $img_line);
if($img_desc[0] == $file) { return $img_desc[1]; }
}
}
}
}
else
{
return '';
}
}
}
// return first part of url
function url_start($root, $album, $file, $i=0, $class='showimage', $target='')
{
$file_parts = pathinfo($file);
$file_name = $file_parts['filename']; // filename without extension
$prefix = explode('-', $file_name, 2);
switch($prefix[0])
{
case "utube":
$video_id = $prefix[1];
$url_start = '';
break;
case "vimeo":
$video_id = $prefix[1];
$url_start = '';
break;
default:
$url_start = '
';
break;
}
return $url_start;
}
// display pagination
function paginate_fggallery($numPages,$album,$targetid,$fullAlbum,$currentPage,$paginate_link_class) {
$html = '';
$current_url = (isset($_SERVER['HTTPS']) && $_SERVER['HTTPS'] === 'on' ? "https" : "http") . "://$_SERVER[HTTP_HOST]$_SERVER[REQUEST_URI]";
$page_url = strtok($current_url, '?'); // with url params stripped
if ($numPages > 1)
{
if ($currentPage > 1)
{
$prevPage = $currentPage - 1;
unset($_GET['page']); // delete edit parameter;
$_GET['page'] = $prevPage; // change page number
$qs = http_build_query($_GET); // rebuild query string
$url = $page_url.'?'.$qs;
$html .= 'keyboard_arrow_left';
}
else
{
$html .= 'keyboard_arrow_left';
}
for( $e=0; $e < $numPages; $e++ )
{
$p = $e+1;
unset($_GET['page']); // delete edit parameter;
$_GET['page'] = $p; // change page number
$qs = http_build_query($_GET); // rebuild query string
$url = $page_url.'?'.$qs;
$class = ($p==$currentPage ? 'current-paginate' : 'paginate');
$html .= ''.$p.'';
}
if ($currentPage != $numPages)
{
$nextPage = $currentPage + 1;
unset($_GET['page']); // delete edit parameter;
$_GET['page'] = $nextPage; // change page number
$qs = http_build_query($_GET); // rebuild query string
$url = $page_url.'?'.$qs;
$html .= 'keyboard_arrow_right';
}
else
{
$html .= 'keyboard_arrow_right';
}
}
return $html;
}
?>