1 files changed, 98 insertions, 0 deletions
diff --git a/includes/jpeg_metadata_tk/get_exif_thumb.php b/includes/jpeg_metadata_tk/get_exif_thumb.php
new file mode 100644
index 0000000..0f40090
--- /dev/null
+++ b/includes/jpeg_metadata_tk/get_exif_thumb.php
@@ -0,0 +1,98 @@
+<?php
+
+/******************************************************************************
+*
+* Filename:     get_exif_thumb.php
+*
+* Description:  This script extracts a EXIF thumbnail from the first IFD of a
+*               JPEG file and allows it to be displayed
+*
+* Usage:        get_exif_thumb?filename=<filename>
+*
+* Author:       Evan Hunter
+*
+* Date:         23/7/2004
+*
+* Project:      PHP JPEG Metadata Toolkit
+*
+* Revision:     1.00
+*
+* URL:          http://electronics.ozhiker.com
+*
+* Copyright:    Copyright Evan Hunter 2004
+*
+* License:      This file is part of the PHP JPEG Metadata Toolkit.
+*
+*               The PHP JPEG Metadata Toolkit is free software; you can
+*               redistribute it and/or modify it under the terms of the
+*               GNU General Public License as published by the Free Software
+*               Foundation; either version 2 of the License, or (at your
+*               option) any later version.
+*
+*               The PHP JPEG Metadata Toolkit is distributed in the hope
+*               that it will be useful, but WITHOUT ANY WARRANTY; without
+*               even the implied warranty of MERCHANTABILITY or FITNESS
+*               FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+*               for more details.
+*
+*               You should have received a copy of the GNU General Public
+*               License along with the PHP JPEG Metadata Toolkit; if not,
+*               write to the Free Software Foundation, Inc., 59 Temple
+*               Place, Suite 330, Boston, MA  02111-1307  USA
+*
+*               If you require a different license for commercial or other
+*               purposes, please contact the author: evan@ozhiker.com
+*
+******************************************************************************/
+
+        // Ensure that nothing can write to the standard io, before we get the header out
+        ob_start( );
+        
+        
+        require_once 'JPEG.php';
+        require_once 'EXIF.php';
+
+
+        // retrieve the filename from the URL parameters
+
+        $filename = $GLOBALS['HTTP_GET_VARS']['filename'];
+
+        // Retrieve any EXIF data in the file
+
+        $Exif_array = get_EXIF_JPEG( $filename );
+
+        // Check if EXIF data was retrieved
+
+        if ( $Exif_array === FALSE )
+        {
+                // No EXIF data could be retrieved - abort
+                ob_end_clean ( );
+                echo "<p>EXIF segment could not be retrieved</p>\n";
+                return;
+        }
+
+
+        // Check if the First IFD exists ( The First IFD is actually the second, since there is also the zeroth IFD)
+        if ( count( $Exif_array ) < 2  )
+        {
+                ob_end_clean ( );
+                echo "<p>Couldn't find Thumbnail IFD</p>\n";
+                return;
+        }
+
+        // Check if the First IFD contains the Thumbnail tag
+        if ( array_key_exists( 513, $Exif_array[1] ) )
+        {
+                // Output the thumbnail
+                ob_end_clean ( );
+                header("Content-type: image/jpeg");
+                print $Exif_array[1][513]['Data'];
+        }
+        else
+        {
+                ob_end_clean ( );
+                echo "<p>Couldn't find Thumbnail Tag</p>\n";
+                return;
+        }
+
+?>