new function to display text as images

more checks if orig & thumbnail are really their and readable


git-svn-id: file:///var/lib/svn/phpfspot/trunk@126 fa6a889d-dae6-447d-9e79-4ba9a3039384

1 files changed, 11 insertions, 4 deletions

diff --git a/phpfspot_img.php b/phpfspot_img.php
index 061f56d..69f579b 100644
--- a/phpfspot_img.php
+++ b/phpfspot_img.php
@@ -21,9 +21,12 @@ class PHPFSPOT_IMG {
 
    public function show($idx, $width = 0)
    {
-      $this->parent->gen_thumb($idx);
-
       $details = $this->parent->get_photo_details($idx);
+   
+      if(!$details) {
+         $this->parent->showTextImage("The image you requested is unknown");
+         return;
+      }
 
       /* show original photo */
       if($width == 0) {
@@ -32,13 +35,17 @@ class PHPFSPOT_IMG {
       /* 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)) {
-         $this->parent->gen_thumb($idx, 0, 1);
+         $this->parent->showTextImage("test1");
+         return;
       }
       if(!is_readable($fullpath)) {
-         die("File ". $fullpath ." is not readable. Check the permissions");
+         $this->parent->showTextImage("File ". $fullpath ." is not readable. Check the permissions");
+         return;
       }
 
       $tmp = getimagesize($fullpath);