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<?php |
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/* vim: set ts=4: |
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+----------------------------------------------------------------------+ |
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| expose, a simple image gallery written in php4. |
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+----------------------------------------------------------------------+ |
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| Copyright 2003 Carl Johan Schedvin |
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| This program is distributed under the terms of the |
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| GNU General Public License, Version 2 |
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| |
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| This program is free software; you can redistribute it and/or modify |
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| it under the terms of the GNU General Public License, Version 2 as |
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| published by the Free Software Foundation. |
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| |
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| This program is distributed in the hope that it will be useful, |
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| but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| GNU General Public License for more details. |
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| |
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| You should have received a copy of the GNU General Public License, |
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| Version 2 along with this program; if not, visit GNU's Home Page |
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| http://www.gnu.org/ |
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+----------------------------------------------------------------------+ |
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$Id: index.php,v 1.8 2003/11/07 22:39:24 cam Exp $ |
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|
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|
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|
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// CODE FOR EMBEDDING AVI/MPEG/MOV FILES IN HTML |
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|
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<embed src="filename" autostart="false" width="320" height="240" align="left" oncursor="play" hspace="20"> |
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<noembed> |
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<a href="filename">click to view</a> |
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<img dynsrc="filename" start="mouseover" align="left" controls width="320" height="240" hspace="25"> |
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</a> |
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</noembed> |
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*/ |
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|
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$global_var['metadata']['author'] = "Carl Johan Schedvin <cjsc02@student.bth.se>"; |
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$global_var['metadata']['keywords'] = "photos,gallery,album,digitalcamera,fuji,finepix"; |
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$global_var['metadata']['description'] = "An photogallery written in PHP4"; |
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|
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|
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$global_var['str_msg']['copyright'] = "all photos © copyright Carl Johan Schedvin. all rights reserved."; |
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|
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$global_var['external']['magick'] = "/usr/bin/convert"; |
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|
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$global_var['path']['thumb_dir'] = '.thumbs'; |
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$global_var['path']['cache_dir'] = '.cache'; |
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|
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$global_var['image_sz']['thumb'] = array ( |
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'x' => 120, |
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'y' => 80, |
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'ql' => 70, |
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'wm' => '' |
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); |
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$global_var['image_sz']['640'] = array ( |
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'x' => 640, |
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'y' => 480, |
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'ql' => 88, |
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'wm' => '' |
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); |
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$global_var['image_sz']['800'] = array ( |
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'x' => 800, |
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'y' => 600, |
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'ql' => 89, |
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'wm' => '' |
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); |
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$global_var['image_sz']['1024'] = array ( |
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'x' => 1024, |
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'y' => 768, |
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'ql' => 90, |
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'wm' => '' |
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); |
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|
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$global_var['image_sz']['valid_sizes'] = array ( |
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'640x480', |
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'800x600', |
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'1024x768' |
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); |
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|
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$global_var['image_sz']['default'] =& $global_var['image_sz']['640']; |
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|
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$exif_headers = array (); |
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|
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|
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if(isset($_SERVER['PHP_SELF'])) { |
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$php_self = $_SERVER['PHP_SELF']; |
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} else { |
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$php_self = $HTTP_SERVER_VARS['PHP_SELF']; |
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} |
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|
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if (isset($_GET)) { |
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$get_vars = $_GET; |
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} else { |
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$get_vars = $HTTP_GET_VARS; |
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} |
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|
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|
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|
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/** |
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* Extracts the EXIF header of a JPG if available using |
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* built-in php function exif_read_data, this information |
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* is extracted upon request and not written to disk. |
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*/ |
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function extract_exif_data() |
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{ |
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global $global_var, $pwd, $get_vars, $exif_headers; |
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|
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$src_image = $get_vars['img']; |
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$exif_data = @exif_read_data($pwd.'/'.$src_image,0,true); |
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|
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if($exif_data) { |
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|
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foreach($exif_data as $exif_section_key => $exif_section) { |
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foreach($exif_section as $exif_key => $exif_value) { |
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|
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switch($exif_key) { |
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case 'Model': |
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array_push($exif_headers, 'Model: '.$exif_value); |
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break; |
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|
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case 'ApertureFNumber': |
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array_push($exif_headers, 'Aperture: '. $exif_value); |
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break; |
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|
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case 'FocalLength': |
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$factor = 6.49122807; |
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$vars = split("/",$exif_value); |
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$focal_length = round(($vars[0]/$vars[1])*$factor); |
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array_push($exif_headers, 'Focal Length: '. $focal_length .'mm'); |
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break; |
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|
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case 'DateTime': |
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array_push($exif_headers, 'Date: '.$exif_value); |
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break; |
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|
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case 'FlashMode': |
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switch($exif_value) { |
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case '0': |
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array_push($exif_headers, 'Flash: Auto'); |
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break; |
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case '1': |
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array_push($exif_headers, 'Flash: On'); |
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break; |
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case '2': |
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array_push($exif_headers, 'Flash: Off'); |
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break; |
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case '3': |
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array_push($exif_headers, 'Flash: Red-Eye Reduction'); |
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break; |
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default: |
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array_push($exif_headers, 'Flash: Unknown'); |
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break; |
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} |
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break; |
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case 'FocusMode': |
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|
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switch($exif_value) { |
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case '0': |
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array_push($exif_headers, 'Focus: C-AF/S-AF'); |
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break; |
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case '1': |
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array_push($exif_headers, 'Focus: MF'); |
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break; |
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default: |
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break; |
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} |
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break; |
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case 'ISOSpeedRatings'; |
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array_push($exif_headers, 'ISO: '.$exif_value); |
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break; |
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default: |
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break; |
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} |
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} |
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} |
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if(sizeof($exif_headers)>0) { |
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ksort($exif_headers); |
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reset($exif_headers); |
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} |
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} |
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} |
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|
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|
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|
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|
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function create_thumbnail($src_image) |
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{ |
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global $global_var, $pwd; |
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if(isset($global_var['external']['magick'])) { |
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if(file_exists($pwd.'/'.$src_image)) { |
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$src_image_sz = GetImageSize($pwd.'/'.$src_image); |
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$resize_aspect = round(($global_var['image_sz']['thumb']['y'] / $src_image_sz[1])*100, 2); |
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exec($global_var['external']['magick'] |
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.' -geometry '.$resize_aspect.'%' |
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.' -quality '.$global_var['image_sz']['thumb']['ql'] |
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.' '.$pwd.'/'.$src_image |
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.' '.$pwd.'/'.$global_var['path']['thumb_dir'].'/'.$src_image |
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); |
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} |
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} |
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} |
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|
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|
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function print_thumbnails() |
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{ |
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global $global_var, $image_files, $pwd; |
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|
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// check if thumbnail directory exists, if not create it. |
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if(!file_exists($pwd.'/'.$global_var['path']['thumb_dir'])) |
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mkdir($pwd.'/'.$global_var['path']['thumb_dir'],0777); |
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|
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echo <<<EOT |
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<div id="thumbnails_container">\n |
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|
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EOT; |
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|
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foreach($image_files as $image) { |
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|
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$thumb_image = $pwd.'/'.$global_var['path']['thumb_dir'].'/'.$image; |
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|
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// check if a thumbnail for current image exists, if not create one. |
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if(!file_exists($thumb_image)) |
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create_thumbnail($image); |
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|
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$thumb_sz = GetImageSize($thumb_image); |
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|
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echo <<<EOT |
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<div class="thumbnail" style="width: {$thumb_sz[0]}px; height: {$thumb_sz[1]}px;">\n |
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<a href="$php_self?dir=$pwd&img=$image"> |
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<img src="$thumb_image" alt=""/> |
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</a> |
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</div>\n |
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EOT; |
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} |
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|
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echo <<<EOT |
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</div>\n |
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<div style="clear: both;"><br/></div>\n |
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EOT; |
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} |
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|
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|
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|
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|
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function show_image() |
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{ |
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global $global_var, $get_vars, $pwd, $exif_headers; |
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|
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$image = $pwd.'/'.$get_vars['img']; |
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|
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$cached_image = $pwd.'/'.$global_var['path']['cache_dir']; |
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|
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if(file_exists($image)) { |
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|
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$image_size = GetImageSize($image); |
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$src_image_size = $image_size; |
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|
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if(isset($get_vars['width'])) { |
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|
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$cache_size = split("x",$get_vars['width']); |
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|
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if($cache_size[0] >= $src_image_size[0]) { |
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$cache_image = $image; |
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} else { |
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if(array_search($get_vars['width'], $global_var['image_sz']['valid_sizes'])) { |
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if(!file_exists($pwd.'/.cache/'.$get_vars['width'].'_'.$get_vars['img'])) { |
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resize_image($get_vars['width'].'_'); |
268 |
} |
269 |
$cached_image = $pwd.'/.cache/'.$get_vars['width'].'_'.$get_vars['img']; |
270 |
} |
271 |
if($cache_size[0] == $global_var['image_sz']['default']['x']) |
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$cached_image = $cached_image.'/default_'.$get_vars['img']; |
273 |
} |
274 |
|
275 |
} else { |
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if(!file_exists($cached_image.'/default_'.$get_vars['img'])) { |
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resize_image('default_'); |
278 |
|
279 |
} |
280 |
$cached_image = $cached_image.'/default_'.$get_vars['img']; |
281 |
|
282 |
} |
283 |
|
284 |
$image_size = GetImageSize($cached_image); |
285 |
|
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extract_exif_data(); |
287 |
|
288 |
if(sizeof($exif_headers) > 0) { |
289 |
|
290 |
$exif_str .= sprintf("<span style=\"font-weight: bold; color:#333;\">EXIF</span> "); |
291 |
|
292 |
foreach($exif_headers as $exif_tag) { |
293 |
$exif_str .= sprintf("| %s ", $exif_tag); |
294 |
} |
295 |
|
296 |
echo <<<EOT |
297 |
<div id="exif_headers">\n |
298 |
<span>$exif_str</span>\n |
299 |
</div>\n |
300 |
EOT; |
301 |
|
302 |
} |
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|
304 |
|
305 |
echo <<<EOT |
306 |
<div id="image" style="width: {$image_size[0]}px; height: {$image_size[1]}px;">\n |
307 |
<a href="$image" target="_blank"><img src="$cached_image" alt=""></a> |
308 |
</div>\n |
309 |
EOT; |
310 |
|
311 |
$image_index = get_image_index(); |
312 |
$next = get_next_image($image_index); |
313 |
$prev = get_prev_image($image_index); |
314 |
|
315 |
echo <<<EOT |
316 |
<span style="font-weight: bold;">Size:</span> |
317 |
EOT; |
318 |
|
319 |
foreach($global_var['image_sz']['valid_sizes'] as $new_size) { |
320 |
|
321 |
if($get_vars['width'] == $new_size) { |
322 |
echo $new_size; |
323 |
} elseif($cache_size[0] >= $src_image_size[0]) { |
324 |
} else { |
325 |
|
326 |
echo <<<EOT |
327 |
<a href="$php_self?dir=$pwd&img={$get_vars[img]}&width=$new_size">$new_size</a> |
328 |
EOT; |
329 |
} |
330 |
|
331 |
} |
332 |
|
333 |
echo <<<EOT |
334 |
<a href="$pwd/{$get_vars[img]}" target="_blank">{$src_image_size[0]}x{$src_image_size[1]}</a> |
335 |
EOT; |
336 |
|
337 |
echo <<<EOT |
338 |
<div>\n |
339 |
<a href="$php_self?dir=$pwd&img=$prev">prev</a> |
340 |
<a href="$php_self?dir=$pwd&img=$next">next</a>\n |
341 |
</div>\n |
342 |
EOT; |
343 |
|
344 |
} |
345 |
} |
346 |
|
347 |
|
348 |
|
349 |
|
350 |
function resize_image($prefix) |
351 |
{ |
352 |
global $global_var, $get_vars, $pwd; |
353 |
$src_image = $get_vars['img']; |
354 |
$cache_dir = $pwd.'/'.$global_var['path']['cache_dir']; |
355 |
|
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if(isset($global_var['external']['magick'])) { |
357 |
if(file_exists($pwd.'/'.$src_image)) { |
358 |
|
359 |
$src_image_sz = GetImageSize($pwd.'/'.$src_image); |
360 |
$resize_aspect = round(($global_var['image_sz']['default']['y'] / $src_image_sz[1])*100, 2); |
361 |
$resize_quality = $global_var['image_sz']['default']['ql']; |
362 |
|
363 |
if(isset($get_vars['width'])) { |
364 |
$new_width = split("x", $get_vars['width']); |
365 |
$resize_aspect = round(($new_width[1] / $src_image_sz[1])*100, 2); |
366 |
} |
367 |
|
368 |
// DEBUG: print "Quality: ".$global_var['image_sz']['default']['ql'] ." Resize Aspect: ". $resize_aspect ."%"; |
369 |
|
370 |
if(!file_exists($cache_dir)) |
371 |
mkdir($cache_dir,0777); |
372 |
|
373 |
$debug = array(); |
374 |
|
375 |
exec($global_var['external']['magick'] |
376 |
.' -geometry '.$resize_aspect.'%' |
377 |
.' -quality '.$resize_quality |
378 |
.' '.$pwd.'/'.$src_image |
379 |
.' '.$pwd.'/'.$global_var['path']['cache_dir'].'/'.$prefix.$src_image, $debug, $ret_val |
380 |
); |
381 |
|
382 |
print_r($debug); |
383 |
} |
384 |
} |
385 |
} |
386 |
|
387 |
|
388 |
|
389 |
|
390 |
function get_image_index() |
391 |
{ |
392 |
global $get_vars, $image_files; |
393 |
|
394 |
return array_search($get_vars['img'], $image_files); |
395 |
} |
396 |
|
397 |
function get_next_image($pos) |
398 |
{ |
399 |
global $get_vars, $image_files; |
400 |
|
401 |
$next = $pos + 1; |
402 |
|
403 |
if($next >= sizeof($image_files)) |
404 |
$next = 0; |
405 |
|
406 |
return $image_files[$next]; |
407 |
} |
408 |
|
409 |
function get_prev_image($pos) |
410 |
{ |
411 |
global $get_vars, $image_files; |
412 |
|
413 |
$prev = $pos - 1; |
414 |
|
415 |
if($prev < 0) |
416 |
$prev = sizeof($image_files) - 1; |
417 |
|
418 |
return $image_files[$prev]; |
419 |
} |
420 |
|
421 |
|
422 |
function get_split_path() |
423 |
{ |
424 |
global $pwd; |
425 |
|
426 |
$split_path = split('/', $pwd); |
427 |
|
428 |
return $split_path; |
429 |
} |
430 |
/** |
431 |
* Retirieves all filenames that are images exclude all |
432 |
* other files. It's not recursive so it only examins the |
433 |
* pwd and not sub directories if present. |
434 |
* |
435 |
* @param str $path, pwd |
436 |
* @return @rray $images, list of all filenames |
437 |
*/ |
438 |
function &get_image_filenames($path) |
439 |
{ |
440 |
global $global_var; |
441 |
$images = array(); |
442 |
|
443 |
if(is_dir($path)) { |
444 |
$pwd_dd = opendir($path); |
445 |
while(($file = readdir($pwd_dd)) !== false) { |
446 |
if(is_file($path."/".$file) |
447 |
&& !eregi("^\.|^.*.php|^.*.css|^.*~|^.txt",$file)) |
448 |
array_push($images, $file); |
449 |
} |
450 |
} |
451 |
return $images; |
452 |
} |
453 |
|
454 |
|
455 |
|
456 |
|
457 |
/** |
458 |
* Retrieves all directory names present in $path. Using |
459 |
* eregi we exclude names we don't want in the list. |
460 |
*/ |
461 |
function &get_directory_names($path) |
462 |
{ |
463 |
global $global_var; |
464 |
$dirs = array(); |
465 |
|
466 |
if(is_dir($path)) { |
467 |
$pwd_dd = opendir($path); |
468 |
while(($file = readdir($pwd_dd)) !== false) { |
469 |
if(is_dir($path."/".$file) |
470 |
&& !eregi("^\.|^\..|^CVS|^". $global_var['path']['thumb_dir'] |
471 |
."|^". $global_var['path']['cache_dir'],$file)) |
472 |
array_push($dirs, $file); |
473 |
} |
474 |
} |
475 |
return $dirs; |
476 |
} |
477 |
|
478 |
|
479 |
|
480 |
|
481 |
|
482 |
|
483 |
function create_directory_browser() |
484 |
{ |
485 |
global $pwd, $dir_files; |
486 |
|
487 |
if(sizeof($dir_files)>0) { |
488 |
|
489 |
foreach($dir_files as $dir) { |
490 |
|
491 |
$dir_image = 'open.png'; |
492 |
|
493 |
if(file_exists($pwd.'/'.$dir.'/.htaccess')) |
494 |
$dir_image = 'protected.png'; |
495 |
|
496 |
echo <<<EOT |
497 |
<div style="text-align: center;">\n |
498 |
<a href="$php_self?dir=$pwd/$dir">\n |
499 |
<img src="../images/$dir_image" alt=""/><br/>$dir\n |
500 |
</a>\n |
501 |
</div>\n |
502 |
EOT; |
503 |
} |
504 |
} |
505 |
} |
506 |
|
507 |
|
508 |
|
509 |
|
510 |
|
511 |
|
512 |
if (isset($get_vars['dir']) && is_dir(rawurldecode($get_vars['dir']))) |
513 |
{ |
514 |
$pwd = rawurldecode($get_vars['dir']); |
515 |
} else { |
516 |
$pwd = './'; |
517 |
} |
518 |
|
519 |
$image_files =& get_image_filenames($pwd); |
520 |
$dir_files =& get_directory_names($pwd); |
521 |
|
522 |
|
523 |
// print the html header before continuing processing. |
524 |
html_template_header(); |
525 |
|
526 |
//if($global_var['navigation_bar']) |
527 |
html_template_navbar(); |
528 |
|
529 |
if(sizeof($image_files) <= 0) { |
530 |
if(sizeof($dir_files) > 0) { |
531 |
create_directory_browser(); |
532 |
} else { |
533 |
} |
534 |
} else { |
535 |
if(sizeof($dir_files) > 0) { |
536 |
} |
537 |
if(isset($get_vars['img'])) { |
538 |
show_image(); |
539 |
} else { |
540 |
print_thumbnails(); |
541 |
} |
542 |
} |
543 |
|
544 |
|
545 |
|
546 |
|
547 |
// print the html footer to make it nice and tidy. |
548 |
html_template_footer(); |
549 |
|
550 |
|
551 |
|
552 |
|
553 |
|
554 |
|
555 |
|
556 |
|
557 |
|
558 |
/** |
559 |
* Prints the html header, contains html document specific |
560 |
* definitions and paths. Tags as <title> are set dynamically |
561 |
* everytime the page is reloaded. The template is encapsulated |
562 |
* in a function for structural reasons. |
563 |
*/ |
564 |
function html_template_header() |
565 |
{ |
566 |
global $global_var; |
567 |
echo <<<EOF |
568 |
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" |
569 |
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"> |
570 |
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" > |
571 |
|
572 |
<head> |
573 |
|
574 |
<meta http-equiv="content-type" content="text/html; charset=iso-8859-1" /> |
575 |
<meta name="author" content="{$global_var[metadata][author]}" /> |
576 |
<meta name="keywords" content="{$global_var[metadata][keywords]}" /> |
577 |
<meta name="description" content="{$global_var[metadata][description]}" /> |
578 |
<meta name="robots" content="all" /> |
579 |
|
580 |
<title>expose: </title> |
581 |
|
582 |
<style type="text/css"> |
583 |
@import "./style.css"; |
584 |
</style> |
585 |
|
586 |
<link rel="Shortcut Icon" type="image/x-icon" href="/img/favicon.ico" /> |
587 |
|
588 |
</head> |
589 |
|
590 |
<body> |
591 |
<div id="header">\n |
592 |
<h1>expose:</h1> |
593 |
<span style="font-style: italic;"></span> |
594 |
</div>\n |
595 |
<div id="container">\n |
596 |
EOF; |
597 |
} |
598 |
|
599 |
|
600 |
|
601 |
|
602 |
|
603 |
|
604 |
|
605 |
/** |
606 |
* Prints the html footer, this contains only closing |
607 |
* tags for the html document and the copyright notice. |
608 |
*/ |
609 |
function html_template_footer() |
610 |
{ |
611 |
global $global_var; |
612 |
echo <<<EOF |
613 |
<div id="copyright">\n |
614 |
{$global_var[str_msg][copyright]}<br />\n |
615 |
<span style="font-style: italic;">\$Revision: 1.8 $</span>\n |
616 |
</div>\n\n |
617 |
</div>\n |
618 |
</body>\n |
619 |
</html>\n |
620 |
EOF; |
621 |
} |
622 |
|
623 |
|
624 |
|
625 |
|
626 |
|
627 |
|
628 |
function html_template_navbar() |
629 |
{ |
630 |
global $get_vars; |
631 |
$split_path = get_split_path(); |
632 |
|
633 |
if(sizeof($split_path) > 0) { |
634 |
|
635 |
foreach($split_path as $dir) { |
636 |
if($dir!='') { |
637 |
$path .= $dir.'/'; |
638 |
echo <<<EOT |
639 |
<a style="text-decoration: none;" href="$php_self?dir=$path"> |
640 |
EOT; |
641 |
if($dir == '.') |
642 |
$dir = 'expose'; |
643 |
|
644 |
echo <<<EOT |
645 |
$dir</a> > \n |
646 |
EOT; |
647 |
} |
648 |
} |
649 |
if(isset($get_vars['img'])) { |
650 |
echo <<<EOT |
651 |
{$get_vars[img]} |
652 |
EOT; |
653 |
} |
654 |
} |
655 |
} |
656 |
|
657 |
?> |