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Diffstat (limited to 'includes/jpeg_metadata_tk/get_minolta_thumb.php')
| -rw-r--r-- | includes/jpeg_metadata_tk/get_minolta_thumb.php | 195 |
1 files changed, 0 insertions, 195 deletions
diff --git a/includes/jpeg_metadata_tk/get_minolta_thumb.php b/includes/jpeg_metadata_tk/get_minolta_thumb.php deleted file mode 100644 index eecea8a..0000000 --- a/includes/jpeg_metadata_tk/get_minolta_thumb.php +++ /dev/null @@ -1,195 +0,0 @@ -<?php - -/****************************************************************************** -* -* Filename: get_minolta_thumb.php -* -* Description: This script extracts a Minolta EXIF Makernote Thumbnail -* from within a JPEG file and allows it to be displayed -* -* Usage: get_minolta_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 '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 any EXIF data was retrieved - if ( $Exif_array === FALSE ) - { - // No EXIF data was found - abort - ob_end_clean ( ); - echo "<p>Error getting EXIF Information</p>\n"; - return; - } - - - // Check that there is at least the Zeroth IFD in the array - if ( count( $Exif_array ) < 1 ) - { - ob_end_clean ( ); - echo "<p>Couldn't find TIFF IFD 0</p>\n"; - return; - } - - - - // Check that the EXIF IFD exists - if ( array_key_exists( 34665, $Exif_array[0] ) ) - { - // Found the EXIF IFD, - - // Check that the makernote tag exists - if ( array_key_exists( 37500, $Exif_array[0][34665]['Data'][0] ) ) - { - // Makernote Exists - - // Check that the Makernote is Olympus - if ( $Exif_array[0][34665]['Data'][0][37500]['Makernote Tags'] == "Olympus" ) - { - // Makernote is Olympus - // Check if an IFD exists for the makernote - if ( array_key_exists( 0, $Exif_array[0][34665]['Data'][0][37500]['Decoded Data'] ) ) - { - // Check if the Thumbnail tag 0x0088 exists - if ( array_key_exists( 0x0088, $Exif_array[0][34665]['Data'][0][37500]['Decoded Data'][0] ) ) - { - // Found a Thumbnail - // Get the data - $data = $Exif_array[0][34665]['Data'][0][37500]['Decoded Data'][0][0x0088]['Data']; - - // Sometimes the Minolta thumbnails are corrupt as there is no data - // Check that the data is OK - if ( $data !== FALSE ) - { - // Minolta thumbnails seem to have the first byte incorrect - this could possibly be a counter in case the thumbnail needs to span more than one tag - // Restore the first byte of the jpeg thumbnail - $data{0} = "\xff"; - - // Display the thumbnail - ob_end_clean ( ); - header("Content-type: image/jpeg"); - print $data; - } - else - { - // Thumbnail data is missing - display message - ob_end_clean ( ); - echo "<p>Thumbnail missing</p>\n"; - } - } - // Check if the Thumbnail tag 0x0081 exists - else if ( array_key_exists( 0x0081, $Exif_array[0][34665]['Data'][0][37500]['Decoded Data'][0] ) ) - { - // Found a Thumbnail - // Get the data - $data = $Exif_array[0][34665]['Data'][0][37500]['Decoded Data'][0][0x0081]['Data']; - - // Sometimes the Minolta thumbnails are corrupt as there is no data - // Check that the data is OK - if ( $data !== FALSE ) - { - // Minolta thumbnails seem to have the first byte incorrect - this could possibly be a counter in case the thumbnail needs to span more than one tag - // Restore the first byte of the jpeg thumbnail - $data{0} = "\xff"; - - // Display the thumbnail - ob_end_clean ( ); - header("Content-type: image/jpeg"); - print $data ; - } - else - { - // Thumbnail data is missing - display message - ob_end_clean ( ); - echo "<p>Thumbnail missing</p>\n"; - } - } - else - { - // Couldn't find a Minolta thumbnail tag - display message - ob_end_clean ( ); - echo "<p>Couldn't find Minolta Thumbnail Tag</p>\n"; - } - } - else - { - // Couldn't find an IFD in the Makernote tag - display message - ob_end_clean ( ); - echo "<p>Makernote Doesn't contain IFD 0</p>\n"; - } - - } - else - { - // Makernote does not use Olympus tags - display message - ob_end_clean ( ); - echo "<p>Not an Olympus Makernote</p>\n"; - } - } - else - { - // Couldn't find Makernote tag - display message - ob_end_clean ( ); - echo "<p>Couldn't find Makernote</p>\n"; - } - } - else - { - // Couldn't find the EXIF IFD - display message - ob_end_clean ( ); - echo "<p>Couldn't find Exif IFD</p>\n"; - } - - - return; - -?> |