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<?php |
| 2 |
/* vim: set ts=4: |
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+----------------------------------------------------------------------+ |
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| expose, a simple image gallery written in php4. |
| 5 |
+----------------------------------------------------------------------+ |
| 6 |
| Copyright 2003 Carl Johan Schedvin |
| 7 |
| This program is distributed under the terms of the |
| 8 |
| GNU General Public License, Version 2 |
| 9 |
| |
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| This program is free software; you can redistribute it and/or modify |
| 11 |
| it under the terms of the GNU General Public License, Version 2 as |
| 12 |
| published by the Free Software Foundation. |
| 13 |
| |
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| This program is distributed in the hope that it will be useful, |
| 15 |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 16 |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 17 |
| GNU General Public License for more details. |
| 18 |
| |
| 19 |
| You should have received a copy of the GNU General Public License, |
| 20 |
| Version 2 along with this program; if not, visit GNU's Home Page |
| 21 |
| http://www.gnu.org/ |
| 22 |
+----------------------------------------------------------------------+ |
| 23 |
$Id: index.php,v 1.8 2003/11/07 22:39:24 cam Exp $ |
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|
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|
| 26 |
|
| 27 |
// CODE FOR EMBEDDING AVI/MPEG/MOV FILES IN HTML |
| 28 |
|
| 29 |
<embed src="filename" autostart="false" width="320" height="240" align="left" oncursor="play" hspace="20"> |
| 30 |
<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"> |
| 33 |
</a> |
| 34 |
</noembed> |
| 35 |
*/ |
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|
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$global_var['metadata']['author'] = "Carl Johan Schedvin <cjsc02@student.bth.se>"; |
| 38 |
$global_var['metadata']['keywords'] = "photos,gallery,album,digitalcamera,fuji,finepix"; |
| 39 |
$global_var['metadata']['description'] = "An photogallery written in PHP4"; |
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|
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|
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$global_var['str_msg']['copyright'] = "all photos © copyright Carl Johan Schedvin. all rights reserved."; |
| 43 |
|
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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' => '' |
| 60 |
); |
| 61 |
$global_var['image_sz']['800'] = array ( |
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'x' => 800, |
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'y' => 600, |
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'ql' => 89, |
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'wm' => '' |
| 66 |
); |
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$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']; |
| 250 |
|
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$cached_image = $pwd.'/'.$global_var['path']['cache_dir']; |
| 252 |
|
| 253 |
if(file_exists($image)) { |
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|
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$image_size = GetImageSize($image); |
| 256 |
$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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|
| 262 |
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($get_vars['width'].'_'); |
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} |
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$cached_image = $pwd.'/.cache/'.$get_vars['width'].'_'.$get_vars['img']; |
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} |
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if($cache_size[0] == $global_var['image_sz']['default']['x']) |
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$cached_image = $cached_image.'/default_'.$get_vars['img']; |
| 273 |
} |
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|
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} else { |
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if(!file_exists($cached_image.'/default_'.$get_vars['img'])) { |
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resize_image('default_'); |
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|
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} |
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$cached_image = $cached_image.'/default_'.$get_vars['img']; |
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|
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} |
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|
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$image_size = GetImageSize($cached_image); |
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|
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extract_exif_data(); |
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|
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if(sizeof($exif_headers) > 0) { |
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|
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$exif_str .= sprintf("<span style=\"font-weight: bold; color:#333;\">EXIF</span> "); |
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|
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foreach($exif_headers as $exif_tag) { |
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$exif_str .= sprintf("| %s ", $exif_tag); |
| 294 |
} |
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|
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echo <<<EOT |
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<div id="exif_headers">\n |
| 298 |
<span>$exif_str</span>\n |
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</div>\n |
| 300 |
EOT; |
| 301 |
|
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} |
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|
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|
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echo <<<EOT |
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<div id="image" style="width: {$image_size[0]}px; height: {$image_size[1]}px;">\n |
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<a href="$image" target="_blank"><img src="$cached_image" alt=""></a> |
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</div>\n |
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EOT; |
| 310 |
|
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$image_index = get_image_index(); |
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$next = get_next_image($image_index); |
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$prev = get_prev_image($image_index); |
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|
| 315 |
echo <<<EOT |
| 316 |
<span style="font-weight: bold;">Size:</span> |
| 317 |
EOT; |
| 318 |
|
| 319 |
foreach($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 |
|
| 356 |
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 |
?> |
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