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Diffstat (limited to 'includes/jpeg_metadata_tk/get_ps_thumb.php')
| -rw-r--r-- | includes/jpeg_metadata_tk/get_ps_thumb.php | 176 |
1 files changed, 0 insertions, 176 deletions
diff --git a/includes/jpeg_metadata_tk/get_ps_thumb.php b/includes/jpeg_metadata_tk/get_ps_thumb.php deleted file mode 100644 index 966c328..0000000 --- a/includes/jpeg_metadata_tk/get_ps_thumb.php +++ /dev/null @@ -1,176 +0,0 @@ -<?php - -/****************************************************************************** -* -* Filename: get_ps_thumb.php -* -* Description: This script extracts a Photoshop IRB (Image Resource Block) -* thumbnail from within a JPEG file and allows it to be displayed -* -* Usage: get_ps_thumb?filename=<filename> -* -* Author: Evan Hunter -* -* Date: 23/7/2004 -* -* Project: PHP JPEG Metadata Toolkit -* -* Revision: 1.11 -* -* 1.00 -> 1.11 : Added support for Photoshop IRB thumbnails which are -* embedded within EXIF information (used in TIFF files) -* -* 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( ); - - - // retrieve the filename from the URL parameters - - $filename = $GLOBALS['HTTP_GET_VARS']['filename']; - - // Change: Check for file extension rather than assuming JPEG as of 1.11 - // Retrieve the Filename Extension - $path_parts = pathinfo( $filename ); - - // Check if the Extension is JPEG - if ( ( strcasecmp( $path_parts["extension"], "jpg" ) == 0 ) || - ( strcasecmp( $path_parts["extension"], "jpeg" ) == 0 ) ) - { - // JPEG Extension - - require_once 'JPEG.php'; - require_once 'Photoshop_IRB.php'; - - // Retrieve the JPEG header Data - - $jpeg_header_data = get_jpeg_header_data( $filename ); - - // Retrieve any Photoshop IRB data in the file - - $IRB_array = get_Photoshop_IRB( $jpeg_header_data ); - - // Check if Photoshop IRB data was retrieved - - if ( $IRB_array === FALSE ) - { - // No Photoshop IRB data could be retrieved - abort - ob_end_clean ( ); - echo "<p>Photoshop IRB could not be retrieved from the JPEG file</p>\n"; - return; - } - - // Cycle through the resources in the Photoshop IRB - // Until either a thumbnail resource is found or - // there are no more resources - $i = 0; - while ( ( $i < count( $IRB_array ) ) && - ( $IRB_array[$i]['ResID'] != 0x0409 ) && - ( $IRB_array[$i]['ResID'] != 0x040C ) ) - { - $i++; - } - - - // Check if a thumbnail was found - if ( $i < count( $IRB_array ) ) - { - // A thumbnail was found, Display it - ob_end_clean ( ); - header("Content-type: image/jpeg"); - print substr( $IRB_array[$i]['ResData'] , 28 ); - } - } - // Change: Add support for TIFF Photoshop IRB thumbnails as of 1.11 - // Check if file has TIFF extension - else if ( ( strcasecmp( $path_parts["extension"], "tif" ) == 0 ) || - ( strcasecmp( $path_parts["extension"], "tiff" ) == 0 ) ) - { - // TIFF Extension - - require_once 'EXIF.php'; - - // Retrieve the EXIF info - $exif_array = get_EXIF_TIFF( $filename ); - - // Retrieve any Photoshop IRB data in the EXIF - if ( ( array_key_exists( 0, $exif_array ) ) && - ( array_key_exists( 34377, $exif_array[0] ) ) && - ( array_key_exists( 'Data', $exif_array[0][34377] ) ) ) - { - $IRB_array = $exif_array[0][34377]['Data']; - - // Check if Photoshop IRB data was retrieved - - if ( $IRB_array === FALSE ) - { - // No Photoshop IRB data could be retrieved - abort - ob_end_clean ( ); - echo "<p>Photoshop IRB could not be retrieved from the TIFF file</p>\n"; - return; - } - - // Cycle through the resources in the Photoshop IRB - // Until either a thumbnail resource is found or - // there are no more resources - $i = 0; - while ( ( $i < count( $IRB_array ) ) && - ( $IRB_array[$i]['ResID'] != 0x0409 ) && - ( $IRB_array[$i]['ResID'] != 0x040C ) ) - { - $i++; - } - - - // Check if a thumbnail was found - if ( $i < count( $IRB_array ) ) - { - // A thumbnail was found, Display it - ob_end_clean ( ); - header("Content-type: image/jpeg"); - print substr( $IRB_array[$i]['ResData'] , 28 ); - } - } - else - { - // Embedded Photoshop IRB block not found - ob_end_clean ( ); - echo "No Photoshop IRB found within EXIF"; - } - } - else - { - // Unknown extension - ob_end_clean ( ); - echo "Unknown file Type"; - } - - -?> |