Thumbnails erzeugen

Code: Alles auswählen

function createThumb($remote, $img_width, $target)
{
   // Bildgröße ermitteln
   list($src_width, $src_height, $type) = getimagesize($remote); 
   
   // Die breite muss verkleinert werden
   if ($src_width > $img_width)
   {
      $new_width = $img_width; 
      $new_height = intval($src_height*$new_width/$src_width); 
      
      switch($type)
      {
         case 1:
            $old_image = ImageCreateFromGIF($remote); 
            $new_image = ImageCreate($new_width, $new_height); 
            ImageCopyResized($new_image, $old_image, 0, 0, 0, 0, $new_width, $new_height, $src_width, $src_height); 
            ImageJPEG($new_image, $target); 
         break;
         
         case 2:
            $old_image = ImageCreateFromJPEG($remote); 
            $new_image = ImageCreate($new_width, $new_height); 
            ImageCopyResized($new_image, $old_image, 0, 0, 0, 0, $new_width, $new_height, $src_width, $src_height); 
            ImageJPEG($new_image, $target); 
         break;
      }
   }   
   else
   {
      // bildgröße okay
      copy($remote, $target);
   }
}