issue26, added some mouseover text which will explain buttons functions
[phpfspot.git] / phpfspot_img.php
index ec6c7db92be9cfd13b6fa7fc23efc0eaf259dfdf..052a45f4099c686bdc0cd561cf482ce6ee8ded90 100644 (file)
@@ -1,6 +1,5 @@
 <?php
 
-require_once "phpfspot_db.php";
 require_once "phpfspot.class.php";
 
 class PHPFSPOT_IMG {
@@ -20,26 +19,46 @@ class PHPFSPOT_IMG {
 
    } // __desctruct()
 
-   public function show($idx, $width = "")
+   public function show($idx, $width = 0)
    {
       $details = $this->parent->get_photo_details($idx);
+   
+      if(!$details) {
+         $this->parent->showTextImage("The image you requested is unknown");
+         return;
+      }
 
-               foreach(Array($this->parent->cfg->thumb_width, $this->parent->cfg->photo_width) as $resolution)
-                 $this->resize_image($this->parent->translate_path($details['directory_path'])  ."/". $details['name'], $resolution);
-
-      if($width == "")
+      /* show original photo */
+      if($width == 0) {
          $fullpath = $this->parent->translate_path($details['directory_path'])  ."/". $details['name'];
-      else
-         $fullpath = $this->parent->translate_path($details['directory_path'])  ."/thumbs/". $width ."_". $details['name'];
+      }
+      /* show thumbnail */
+      else {
+         $fullpath = $this->parent->cfg->base_path ."/thumbs/". $width ."_". $this->parent->getMD5($idx);
+         if(!file_exists($fullpath)) 
+            $this->parent->gen_thumb($idx, 0, 1);
+      }
 
+      if(!file_exists($fullpath)) {
+         $this->parent->showTextImage("File ". $fullpath ." does not exist");
+         return;
+      }
+      if(!is_readable($fullpath)) {
+         $this->parent->showTextImage("File ". $fullpath ." is not readable. Check the permissions");
+         return;
+      }
 
       $tmp = getimagesize($fullpath);
       $mime = $tmp['mime'];
 
+      if(!$this->parent->checkifImageSupported($mime)) {
+         $this->parent->showTextImage("Unsupported Image Type");
+         return;
+      }
+
       Header("Content-Type: ". $mime);
       Header("Content-Length: ". filesize($fullpath));
       Header("Content-Transfer-Encoding: binary\n");              
-      $user_agent = strtolower ($_SERVER["HTTP_USER_AGENT"]);     
       Header("Content-Disposition: inline; filename=\"". $details['name'] ."\"");
       Header("Accept-Ranges: bytes");                             
       Header("Connection: close");                                
@@ -50,57 +69,6 @@ class PHPFSPOT_IMG {
 
    } // show()
 
-   public function resize_image($image, $width)
-   {
-      // if thumbnail already exists, don't recreate it
-      if(file_exists(dirname($image) ."/thumbs/". $width ."_". basename($image)))
-         return;
-
-      $src_img = @imagecreatefromjpeg($image);
-        
-      if($src_img)
-      {
-         /* grabs the height and width */
-         $new_w = imagesx($src_img);
-         $new_h = imagesy($src_img);
-                
-         // If requested width is more then the actual image width,
-         // do not generate a thumbnail
-         
-         if($width >= $new_w) {
-            imagedestroy($src_img);
-            return;
-         }
-                
-         /* calculates aspect ratio */
-         $aspect_ratio = $new_h / $new_w;
-                
-         /* sets new size */
-         $new_w = $width;
-         $new_h = abs($new_w * $aspect_ratio);
-                
-         /* creates new image of that size */
-         $dst_img = imagecreatetruecolor($new_w,$new_h);
-
-         imagefill($dst_img, 0, 0, ImageColorAllocate($dst_img, 255, 255, 255));
-                
-         /* copies resized portion of original image into new image */
-         imagecopyresampled($dst_img,$src_img,0,0,0,0,$new_w,$new_h,imagesx($src_img),imagesy($src_img));
-                
-         /* write down new generated file */
-         
-         if(!file_exists(dirname($image) ."/thumbs"))
-            mkdir(dirname($image) ."/thumbs");
-
-         $newfile = dirname($image) ."/thumbs/". $width ."_". basename($image);
-         imagejpeg($dst_img, $newfile, 75);
-                
-         /* free your mind */
-         imagedestroy($dst_img);
-         imagedestroy($src_img);
-      }
-
-   } // resize_image()
 }
 
 if(isset($_GET['idx']) && is_numeric($_GET['idx'])) {