limit width/height for thumb display
[phpfspot.git] / phpfspot.class.php
index 06ded529c331c1804c6942d02ea3a7eb25daf5be..525b5c1b0d4b8f8dc3d0858f53da994cc97909ef 100644 (file)
@@ -119,7 +119,7 @@ class PHPFSPOT {
 
       $details = $this->get_photo_details($photo);
       $orig_path = $this->translate_path($details['directory_path']) ."/". $details['name'];
-      $thumb_path = $this->translate_path($details['directory_path']) ."/thumbs/". $this->cfg->photo_width ."_". $details['name'];
+      $thumb_path = $this->cfg->base_path ."/thumbs/". $this->cfg->photo_width ."_". $this->getMD5($photo);
 
       /* If the thumbnail doesn't exist yet, try to create it */
       if(!file_exists($thumb_path)) {
@@ -280,7 +280,7 @@ class PHPFSPOT {
       }
 
       /* return according the selected tags */
-      if(isset($_SESSION['selected_tags'])) {
+      if(isset($_SESSION['selected_tags']) && !empty($_SESSION['selected_tags'])) {
          $selected = "";
          foreach($_SESSION['selected_tags'] as $tag)
             $selected.= $tag .",";
@@ -354,18 +354,41 @@ class PHPFSPOT {
 
       $count = count($photos);
 
+      if(!$_SESSION['begin_with'] || $_SESSION['begin_with'] == 0)
+         $begin_with = 0;
+      else
+         $begin_with = $_SESSION['begin_with'];
+
+      if($this->cfg->rows_per_page == 0)
+         $end_with = $count;
+      else
+         $end_with = $begin_with + ($this->cfg->rows_per_page * $this->cfg->thumbs_per_row);
+
+   
       $rows = 0;
       $cols = 0;
       $images[$rows] = Array();
+      $img_height[$rows] = Array();
+      $img_width[$rows] = Array();
 
-      for($i = 0; $i < $count; $i++) {
+      for($i = $begin_with; $i < $end_with; $i++) {
 
          $images[$rows][$cols] = $photos[$i];
 
+         $thumb_path = $this->cfg->base_path ."/thumbs/". $this->cfg->thumb_width ."_". $this->getMD5($photos[$i]);
+
+         if(file_exists($thumb_path)) {
+            $info = getimagesize($thumb_path); 
+            $img_width[$rows][$cols] = $info[0];
+            $img_height[$rows][$cols] = $info[1];
+         }
+
          if($cols == $this->cfg->thumbs_per_row-1) {
             $cols = 0;
             $rows++;
             $images[$rows] = Array();
+            $img_width[$rows] = Array();
+            $img_height[$rows] = Array();
          }
          else {
             $cols++;
@@ -378,9 +401,21 @@ class PHPFSPOT {
       if(isset($_SESSION['searchfor']) && $_SESSION['searchfor'] != '')
          $this->tmpl->assign('searchfor', $_SESSION['searchfor']);
 
+      if($this->cfg->rows_per_page != 0) {
+         $previous_start = $begin_with - ($this->cfg->rows_per_page * $this->cfg->thumbs_per_row);
+         $next_start = $begin_with + ($this->cfg->rows_per_page * $this->cfg->thumbs_per_row);
+
+         if($begin_with != 0) 
+            $this->tmpl->assign("previous_url", "javascript:showPhotoIndex(". $previous_start .");"); 
+         if($end_with < $count)
+            $this->tmpl->assign("next_url", "javascript:showPhotoIndex(". $next_start .");"); 
+      }
+   
       $this->tmpl->assign('count', $count);
       $this->tmpl->assign('width', $this->cfg->thumb_width);
       $this->tmpl->assign('images', $images);
+      $this->tmpl->assign('img_width', $img_width);
+      $this->tmpl->assign('img_height', $img_height);
       $this->tmpl->assign('rows', $rows);
       $this->tmpl->assign('columns', $this->cfg->thumbs_per_row);
       $this->tmpl->show("photo_index.tpl");
@@ -422,12 +457,12 @@ class PHPFSPOT {
 
    } // showCredits()
 
-   public function create_thumbnail($image, $width)
+   public function create_thumbnail($orig_image, $thumb_image, $width)
    {  
-      if(!file_exists($image))
+      if(!file_exists($orig_image))
          return false;
 
-      $meta = $this->get_meta_informations($image);
+      $meta = $this->get_meta_informations($orig_image);
 
       $rotate = 0;
       $flip = false;
@@ -452,10 +487,10 @@ class PHPFSPOT {
             $rotate = 270; $flip = false; break;
       }
 
-      $src_img = @imagecreatefromjpeg($image);
+      $src_img = @imagecreatefromjpeg($orig_image);
 
       if(!$src_img) {
-         print "Can't load image from ". $image ."\n";
+         print "Can't load image from ". $orig_image ."\n";
          return false;
       }
 
@@ -479,7 +514,7 @@ class PHPFSPOT {
       $new_h = abs($new_w * $aspect_ratio);
 
       /* creates new image of that size */
-      $dst_img = imagecreatetruecolor($new_w,$new_h);
+      $dst_img = imagecreatetruecolor($new_w, $new_h);
 
       imagefill($dst_img, 0, 0, ImageColorAllocate($dst_img, 255, 255, 255));
 
@@ -501,24 +536,14 @@ class PHPFSPOT {
       }
 
       /* write down new generated file */
-
-      if(!file_exists(dirname($image) ."/thumbs")) {
-         $result = mkdir(dirname($image) ."/thumbs");
-         if($result === false) {
-            print "Can't create thumb directory ". dirname($image) ."/thumbs\n";
-            return false;
-         }
-      }
-
-      $newfile = dirname($image) ."/thumbs/". $width ."_". basename($image);
-      $result = imagejpeg($dst_img, $newfile, 75);
+      $result = imagejpeg($dst_img, $thumb_image, 75);
 
       /* free your mind */
       imagedestroy($dst_img);
       imagedestroy($src_img);
 
       if($result === false) {
-         print "Can't write thumbnail ". $newfile ."\n";
+         print "Can't write thumbnail ". $thumb_image ."\n";
          return false;
       }
 
@@ -574,19 +599,23 @@ class PHPFSPOT {
       $error = 0;
 
       foreach($resolutions as $resolution) {
-         $thumb_path = $this->translate_path($details['directory_path'])  ."/thumbs/". $resolution ."_". $details['name'];
+
+         $thumb_path = $this->cfg->base_path ."/thumbs/". $resolution ."_". $file_md5;
+
+         /* if the thumbnail file doesn't exist, create it */
          if(!file_exists($thumb_path)) {
 
             if($fromcmd) print " ". $resolution ."px";
-            if(!$this->create_thumbnail($full_path, $resolution))
+            if(!$this->create_thumbnail($full_path, $thumb_path, $resolution))
                $error = 1;
 
          }
+
          /* if the file hasn't changed there is no need to regen the thumb */
          elseif($file_md5 != $this->getMD5($idx) || $force) {
 
             if($fromcmd) print " ". $resolution ."px";
-            if(!$this->create_thumbnail($full_path, $resolution))
+            if(!$this->create_thumbnail($full_path, $thumb_path, $resolution))
                $error = 1;
 
          }
@@ -600,7 +629,7 @@ class PHPFSPOT {
 
    } // gen_thumb()
 
-   private function getMD5($idx)
+   public function getMD5($idx)
    {
       $result = $this->cfg_db->db_query("
          SELECT img_md5