.
*/
define('THUMB_SIZE', 100);
define('DATA_DIR', 'data');
define('IMAGES_DIR', 'images');
define('USE_VIEWER', true); # if set to false, you can delete view.php
function getPreview($imgFile, $maxSize = THUMB_SIZE)
{
# example: data/myalbum/100.mypic.jpg
$newImgFile = DATA_DIR."/".dirname($imgFile)."/".$maxSize.".".basename($imgFile);
if (! is_file($newImgFile))
{
$ext = strtolower(substr($imgFile, -4));
if ($ext == ".jpg")
$img = imagecreatefromjpeg($imgFile);
else
$img = imagecreatefrompng($imgFile);
$w = imagesx($img);
$h = imagesy($img);
# don't do anything if the image is already small
if ($w <= $maxSize and $h <= $maxSize) {
imagedestroy($img);
return $imgFile;
}
# create the thumbs directory recursively
if (! is_dir(dirname($newImgFile))) mkdir(dirname($newImgFile), 0777, true);
if ($w > $h) {
$newW = $maxSize;
$newH = $h/($w/$maxSize);
} else {
$newW = $w/($h/$maxSize);
$newH = $maxSize;
}
$newImg = imagecreatetruecolor($newW, $newH);
imagecopyresampled($newImg, $img, 0, 0, 0, 0, $newW, $newH, $w, $h);
if ($ext == ".jpg")
imagejpeg($newImg, $newImgFile);
else
imagepng($newImg, $newImgFile);
imagedestroy($img);
imagedestroy($newImg);
}
return dirname($_SERVER["SCRIPT_NAME"])."/".$newImgFile;
}
function getAlbumPreview($dir)
{
foreach (scandir($dir) as $file) if ($file != '.' and $file != '..') {
$ext = strtolower(substr($file, -4));
if ($ext == ".jpg" or $ext == ".png")
return getPreview("$dir/$file");
}
return '';
}
$scriptUrlPath = $_SERVER["SCRIPT_NAME"];
// if url == http://localhost/photos/index/toto/titi, path_info == /toto/titi
// if url == http://localhost/photos/index, path_info is not set
// if url == http://localhost/photos/, path_info is not set
// if path_info is not set, we are at top level, so we redirect to /photos/index/
if (! isset($_SERVER["PATH_INFO"])) {
header("Location: $scriptUrlPath/");
exit();
}
$shortPath = $_SERVER["PATH_INFO"];
if ($shortPath == '/') $shortPath = '';
// extra security check to avoid /photos/index/../.. like urls, maybe useless but..
if (strpos($shortPath, '..') !== false) die(".. found in url");
$folders = array();
$imageFiles = array();
$otherFiles = array();
$realDir = IMAGES_DIR.$shortPath;
foreach (scandir($realDir) as $file) if ($file != '.' and $file != '..')
{
if (is_dir("$realDir/$file"))
{
$folders[] = array( "name" => $file, "link" => "$scriptUrlPath$shortPath/$file", "preview" => getAlbumPreview("$realDir/$file") );
}
else
{
$ext = strtolower(substr($file, -4));
if ($ext == ".jpg" or $ext == ".png") {
if (USE_VIEWER)
$link = dirname($scriptUrlPath)."/view.php$shortPath/$file";
else
$link = dirname($scriptUrlPath)."/$realDir/$file";
$imageFiles[] = array( "name" => $file, "url" => getPreview("$realDir/$file"), "link" => $link );
} else {
$otherFiles[] = array( "name" => $file, "link" => dirname($scriptUrlPath)."/$realDir/$file" );
}
}
}
if (dirname($shortPath) !== '')
$parentLink = $scriptUrlPath.dirname($shortPath);
else
$parentLink = "";
?>