modified thumbnail url pattern to make it shorter, and save some bandwidth when displaying very long file lists (and it also looks prettier :D)

git-svn-id: file:///Users/jimeh/Desktop/dlist/trunk@37 a5845835-ea0f-0410-a762-dd0bfe9bfde8

.htaccess

@@ -0,0 +1,10 @@
+<IfModule mod_rewrite.c>
+Options +FollowSymlinks
+RewriteEngine On
+
+# RewriteCond   %{REQUEST_FILENAME} !-f [NC]
+# RewriteCond   %{REQUEST_FILENAME} !-d [NC]
+RewriteRule   ^([0-9]{1,4})x([0-9]{1,4})x([0-9]{1,3})(.*)$   thumb.php?src=$4&w=$1&h=$2&q=$3
+RewriteRule   ^([0-9]{1,4})x([0-9]{1,4})(.*)$   thumb.php?src=$3&w=$1&h=$2
+
+</IfModule>

config.php

@@ -52,6 +52,11 @@ $config = array(
 	'thumbnails' => true,
 	'thumb_pattern' => '/jpg|jpeg|jpe|png$/i',
 	
+	# thumbnail request url
+	'thumb_url' => '%width%x%height%%url%',
+	// 'thumb_url' => 'thumb.php?src=%url%&w=%width%&h=%height%',
+	
+	
 	# Smart Date shows relative time stamps ("Yesterday, 09:34") when applicable
 	'smartdate' => true,
 	

exec/icons.exec.php

@@ -57,7 +57,10 @@ class Icon {
 		$icons_url = ICONS_URL.$size.'/';
 		if ( $type == 'file' ) {
 			if ( preg_match($config->thumb_pattern, $ext) && $thumbnail && $config->thumbnails ) {
-				return DLIST_URL.'thumb.php?src='.rawurlencode(DIR_URL.$file).'&w='.$sizew.'&h='.$sizeh;
+				$thumb_url = (!preg_match('/^\//i', $config->thumb_url)) ? DLIST_URL.$config->thumb_url : $config->thumb_url ;
+				$thumb_url = str_replace('%width%', $sizew, $thumb_url);
+				$thumb_url = str_replace('%height%', $sizeh, $thumb_url);
+				return str_replace('%url%', DIR_URL.$file, $thumb_url);
 			} elseif ( file_exists($icons_path.$ext.$config->icons_ext) ) {
 				return $icons_url.$ext.$config->icons_ext;
 			} else {
@@ -74,7 +77,11 @@ class Icon {
 	
 //>Section> get_thumbnail
 	function get_thumbnail_url ($file, $sizew, $sizeh) {
-		return DLIST_URL.'thumb.php?src='.rawurlencode(DIR_URL.$file).'&w='.$sizew.'&h='.$sizeh;
+		global $config;
+		$thumb_url = (!preg_match('/^\//i', $config->thumb_url)) ? DLIST_URL.$config->thumb_url : $config->thumb_url ;
+		$thumb_url = str_replace('%width%', $sizew, $thumb_url);
+		$thumb_url = str_replace('%height%', $sizeh, $thumb_url);
+		return str_replace('%url%', DIR_URL.$file, $thumb_url);
 	}
 	
 //>Section> get_parent

libs/imagethumb.lib.php

@@ -31,7 +31,7 @@ class imageThumb {
 // ----- [ Configuration ] ----------------------
 // ==============================================
 	
-	var $jpg_quality = 85;
+	var $jpg_quality = 85; // default jpg quality
 	
 	var $cache_dir = 'cache/images/';
 	var $cache_validity = 60; // days
@@ -60,12 +60,12 @@ class imageThumb {
 // ==============================================
 
 
-	function quick ($file, $width, $height, $quality=false) {
-		if ( !$this->check_cache($file, $width, $height) ) {
+	function quick ($file, $width, $height, $quality=null) {
+		if ( !$this->check_cache($file, $width, $height, $quality) ) {
 			$this->load($file);
 			if ( $this->error == false) {
-				$this->resize($width, $height);
 				if ( !empty($quality) ) $this->jpg_quality = $quality;
+				$this->resize($width, $height);
 				$this->output();
 				$this->save_to_cache();
 				$this->destroy();
@@ -76,8 +76,8 @@ class imageThumb {
 
 	function load ($file) {
 		if ( is_readable($file) && preg_match("/.*\.(jpg|jpeg|jpe|png)/i", $file, $type) ) {
-			$this->type = $type = $type[1];
-			$this->image = ( $type == 'png' ) ? imagecreatefrompng($file) : imagecreatefromjpeg($file) ;
+			$this->type = ( $type[1] == 'jpeg' || $type[1] == 'jpe' ) ? 'jpg' : $type[1] ;
+			$this->image = ( $this->type == 'png' ) ? imagecreatefrompng($file) : imagecreatefromjpeg($file) ;
 			$this->src_file = $file;
 			$this->last_modified = filemtime($file);
 		} else { $this->error = true; return false; }
@@ -99,8 +99,7 @@ class imageThumb {
 	}
 	
 	function output ($file=null) {
-		$type = ( empty($this->output_format) ) ? $this->type : $this->output_format ;
-		if ( $type == 'png' ) {
+		if ( $this->get_type() == 'png' ) {
 			header('Content-type: image/png');
 			header('Content-disposition: image; filename="'.basename($this->src_file).'"');
 			( empty($file) ) ? imagepng($this->image) : imagepng($this->image, $file) ;
@@ -121,7 +120,9 @@ class imageThumb {
 		if ( !preg_match("/\/$/", $this->cache_dir) ) $this->cache_dir .= '/';
 		if ( is_writable($this->cache_dir) ) {
 			$string = $this->src_file.$this->last_modified;
-			if ( !empty($this->target_w) && !empty($this->target_h)) $string .= $this->target_w.$this->target_h;
+			if ( !empty($this->target_w) ) $string .= $this->target_w;
+			if ( !empty($this->target_h) ) $string .= $this->target_h;
+			if ( $this->get_type() == 'jpg' ) $string .= $this->jpg_quality;
 			$filename = 'imgt_';
 			$filename .= md5($string);
 			$filename .= '.'.$this->type;
@@ -129,18 +130,20 @@ class imageThumb {
 				if ( $this->type == 'png' ) {
 					imagepng($this->image, $this->cache_dir.$filename);
 				} else {
-					imagejpeg($this->image, $this->cache_dir.$filename);
+					imagejpeg($this->image, $this->cache_dir.$filename, $this->jpg_quality);
 				}
 			}
 		}
 	}
 	
-	function check_cache ($file, $target_w=null, $target_h=null) {
+	function check_cache ($file, $target_w=null, $target_h=null, $quality=null) {
 		if ( is_readable($file) ) {
 			preg_match("/(?:.*\/|)(.*?)\.(.*)/i", $file, $file_pieces);
 			$ext = $file_pieces[2];
 			$string = $file.filemtime($file);
-			if ( !empty($target_w) && !empty($target_h) ) $string .= $target_w.$target_h;
+			if ( !empty($target_w) ) $string .= $target_w;
+			if ( !empty($target_h) ) $string .= $target_h;
+			if ( $ext == 'jpg' || $ext == 'jpeg' || $ext == 'jpe' ) $string .= $quality;
 			$filename = 'imgt_';
 			$filename .= md5($string);
 			$filename .= '.'.$ext;
@@ -181,6 +184,10 @@ class imageThumb {
 // ==============================================
 
 	
+	function get_type () {
+		return ( empty($this->output_format) ) ? $this->type : $this->output_format ;
+	}
+	
 	function rfile ($file){
 		if (!isset($file)) return false;
 		if (is_file($file)) {

templates/slik/_icons.phtml

@@ -7,14 +7,25 @@
 				<p class="n">..</p>
 				<p class="i"><?=$lang->parent_dir?></p>
 			</a>
-		</li><? $n = 1; foreach ($dlist->list as $key => $item): $info = ($item['type'] == 'file') ? $item[$config->tpl_file_info] : $item[$config->tpl_folder_info] ; $thumbnail = (Icon::is_image($item['ext']) && $config->thumbnails) ? ", '".Icon::get_thumbnail_url($item['name'], $config->tpl_preview_width, $config->tpl_preview_height)."'" : '' ; ?>
+		</li><?
+			$n = 1;
+			foreach ($dlist->list as $key => $item):
+			$info = ($item['type'] == 'file') ? $item[$config->tpl_file_info] : $item[$config->tpl_folder_info] ;
+			if ( Icon::is_image($item['ext']) && $config->thumbnails ) {
+				$thumbnail = ", '".Icon::get_thumbnail_url($item['name'], $config->tpl_preview_width, $config->tpl_preview_height)."'";
+			} else $thumbnail = '';
+			?>
 		<li>
 			<a href="<?=rawurlencode($item['name'])?><? if($item['type'] == 'dir') echo '/'; ?>" onmouseover="iP(<?=$n.$thumbnail?>)" onmouseout="o()">
+				<p class="p"><img src="<?=Icon::get_url($item['name'], 'large', $item['type'], true)?>" alt="" /></p>
+				<p class="n"><?=Path::breakFilename($item['name'], $config->tpl_file_maxlength, $config->tpl_wordbreak)?></p>
+				<p class="i"><?=$info?></p>
 				<span id="p<?=$n?>"><div class="name"><?=$item['name']?></div>
 <?
 	if ( !empty($fields['size']) && $item['type'] == 'file' ) {
 		echo $lang->size.': '.$item['size'];
-		if (!preg_match('/bytes/i', $item['size'])) echo ' ('.number_format($item['size_raw']).' bytes)';
+		if (strpos($item['size'], 'bytes') === false)
+			echo ' ('.number_format($item['size_raw']).' bytes)';
 		echo '<br />';
 	}
 	if ( !empty($fields['mtime']) && $item['type'] == 'file' ) echo $lang->mtime.': '.$item['mtime'].'<br />';
@@ -27,9 +38,6 @@
 	if ( !empty($fields['group_id']) ) echo $lang->group_id.': '.$item['group_id'].'<br />';
 ?>
 				</span>
-				<p class="p"><img src="<?=Icon::get_url($item['name'], 'large', $item['type'], true)?>" alt="" /></p>
-				<p class="n"><?=Path::breakFilename($item['name'], $config->tpl_file_maxlength, $config->tpl_wordbreak)?></p>
-				<p class="i"><?=$info?></p>
 			</a>
 		</li><? $n++; endforeach; ?>
 	</ul>

thumb.php

@@ -30,7 +30,7 @@ require_once('libs/imagethumb.lib.php');
 $src = ( !empty($_GET['src']) ) ? $_GET['src'] : false ;
 $w = ( !empty($_GET['w']) && preg_match("/[0-9]{1,4}/", $_GET['w']) ) ? $_GET['w'] : null ;
 $h = ( !empty($_GET['h']) && preg_match("/[0-9]{1,4}/", $_GET['w']) ) ? $_GET['h'] : null ;
-$q = ( !empty($_GET['q']) ) ? $_GET['q'] : false ;
+$q = ( !empty($_GET['q']) && $_GET['q'] >= 0 && $_GET['q'] <= 100) ? $_GET['q'] : false ;
 
 //TODO load sizes from config instead of from $_GET vars for security reasons...