1 |
<?php |
2 |
/* vim: set ts=4: |
3 |
+----------------------------------------------------------------------+ |
4 |
| 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 |
| |
10 |
| 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 |
| |
14 |
| 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 1.6 2003/11/06 14:26:31 cam Exp $ |
24 |
|
25 |
|
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> |
31 |
<a href="filename">click to view</a> |
32 |
<img dynsrc="filename" start="mouseover" align="left" controls width="320" height="240" hspace="25"> |
33 |
</a> |
34 |
</noembed> |
35 |
*/ |
36 |
|
37 |
$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"; |
40 |
|
41 |
|
42 |
$global_var['str_msg']['copyright'] = "all photos © copyright Carl Johan Schedvin. all rights reserved."; |
43 |
|
44 |
$global_var['external']['magick'] = "/usr/bin/convert"; |
45 |
|
46 |
$global_var['path']['thumb_dir'] = '.thumbs'; |
47 |
$global_var['path']['cache_dir'] = '.cache'; |
48 |
|
49 |
$global_var['image_sz']['thumb'] = array ( |
50 |
'x' => 120, |
51 |
'y' => 80, |
52 |
'ql' => 70, |
53 |
'wm' => '' |
54 |
); |
55 |
$global_var['image_sz']['640'] = array ( |
56 |
'x' => 640, |
57 |
'y' => 480, |
58 |
'ql' => 88, |
59 |
'wm' => '' |
60 |
); |
61 |
$global_var['image_sz']['800'] = array ( |
62 |
'x' => 800, |
63 |
'y' => 600, |
64 |
'ql' => 89, |
65 |
'wm' => '' |
66 |
); |
67 |
$global_var['image_sz']['1024'] = array ( |
68 |
'x' => 1024, |
69 |
'y' => 768, |
70 |
'ql' => 90, |
71 |
'wm' => '' |
72 |
); |
73 |
|
74 |
$global_var['image_sz']['valid_sizes'] = array ( |
75 |
'640x480', |
76 |
'800x600', |
77 |
'1024x768' |
78 |
); |
79 |
|
80 |
$global_var['image_sz']['default'] =& $global_var['image_sz']['640']; |
81 |
|
82 |
$exif_headers = array (); |
83 |
|
84 |
|
85 |
if(isset($_SERVER['PHP_SELF'])) { |
86 |
$php_self = $_SERVER['PHP_SELF']; |
87 |
} else { |
88 |
$php_self = $HTTP_SERVER_VARS['PHP_SELF']; |
89 |
} |
90 |
|
91 |
if (isset($_GET)) { |
92 |
$get_vars = $_GET; |
93 |
} else { |
94 |
$get_vars = $HTTP_GET_VARS; |
95 |
} |
96 |
|
97 |
|
98 |
|
99 |
/** |
100 |
* Extracts the EXIF header of a JPG if available using |
101 |
* built-in php function exif_read_data, this information |
102 |
* is extracted upon request and not written to disk. |
103 |
*/ |
104 |
function extract_exif_data() |
105 |
{ |
106 |
global $global_var, $pwd, $get_vars, $exif_headers; |
107 |
|
108 |
$src_image = $get_vars['img']; |
109 |
$exif_data = @exif_read_data($pwd.'/'.$src_image,0,true); |
110 |
|
111 |
if($exif_data) { |
112 |
|
113 |
foreach($exif_data as $exif_section_key => $exif_section) { |
114 |
foreach($exif_section as $exif_key => $exif_value) { |
115 |
|
116 |
switch($exif_key) { |
117 |
case 'Model': |
118 |
array_push($exif_headers, 'Model: '.$exif_value); |
119 |
break; |
120 |
|
121 |
case 'ApertureFNumber': |
122 |
array_push($exif_headers, 'Aperture: '. $exif_value); |
123 |
break; |
124 |
|
125 |
case 'FocalLength': |
126 |
$factor = 6.49122807; |
127 |
$vars = split("/",$exif_value); |
128 |
$focal_length = round(($vars[0]/$vars[1])*$factor); |
129 |
array_push($exif_headers, 'Focal Length: '. $focal_length .'mm'); |
130 |
break; |
131 |
|
132 |
case 'DateTime': |
133 |
array_push($exif_headers, 'Date: '.$exif_value); |
134 |
break; |
135 |
|
136 |
case 'FlashMode': |
137 |
switch($exif_value) { |
138 |
case '0': |
139 |
array_push($exif_headers, 'Flash: Off'); |
140 |
break; |
141 |
case '1': |
142 |
array_push($exif_headers, 'Flash: On'); |
143 |
break; |
144 |
} |
145 |
break; |
146 |
case 'ISOSpeedRatings'; |
147 |
array_push($exif_headers, 'ISO: '.$exif_value); |
148 |
break; |
149 |
default: |
150 |
break; |
151 |
} |
152 |
} |
153 |
} |
154 |
if(sizeof($exif_headers)>0) { |
155 |
ksort($exif_headers); |
156 |
reset($exif_headers); |
157 |
} |
158 |
} |
159 |
} |
160 |
|
161 |
|
162 |
|
163 |
|
164 |
function create_thumbnail($src_image) |
165 |
{ |
166 |
global $global_var, $pwd; |
167 |
if(isset($global_var['external']['magick'])) { |
168 |
if(file_exists($pwd.'/'.$src_image)) { |
169 |
$src_image_sz = GetImageSize($pwd.'/'.$src_image); |
170 |
$resize_aspect = round(($global_var['image_sz']['thumb']['y'] / $src_image_sz[1])*100, 2); |
171 |
exec($global_var['external']['magick'] |
172 |
.' -geometry '.$resize_aspect.'%' |
173 |
.' -quality '.$global_var['image_sz']['thumb']['ql'] |
174 |
.' '.$pwd.'/'.$src_image |
175 |
.' '.$pwd.'/'.$global_var['path']['thumb_dir'].'/'.$src_image |
176 |
); |
177 |
} |
178 |
} |
179 |
} |
180 |
|
181 |
|
182 |
function print_thumbnails() |
183 |
{ |
184 |
global $global_var, $image_files, $pwd; |
185 |
|
186 |
// check if thumbnail directory exists, if not create it. |
187 |
if(!file_exists($pwd.'/'.$global_var['path']['thumb_dir'])) |
188 |
mkdir($pwd.'/'.$global_var['path']['thumb_dir'],0777); |
189 |
|
190 |
echo <<<EOT |
191 |
<div id="thumbnails_container">\n |
192 |
|
193 |
EOT; |
194 |
|
195 |
foreach($image_files as $image) { |
196 |
|
197 |
$thumb_image = $pwd.'/'.$global_var['path']['thumb_dir'].'/'.$image; |
198 |
|
199 |
// check if a thumbnail for current image exists, if not create one. |
200 |
if(!file_exists($thumb_image)) |
201 |
create_thumbnail($image); |
202 |
|
203 |
$thumb_sz = GetImageSize($thumb_image); |
204 |
|
205 |
echo <<<EOT |
206 |
<div class="thumbnail" style="width: {$thumb_sz[0]}px; height: {$thumb_sz[1]}px;">\n |
207 |
<a href="$php_self?dir=$pwd&img=$image"> |
208 |
<img src="$thumb_image" alt=""/> |
209 |
</a> |
210 |
</div>\n |
211 |
EOT; |
212 |
} |
213 |
|
214 |
echo <<<EOT |
215 |
</div>\n |
216 |
<div style="clear: both;"><br/></div>\n |
217 |
EOT; |
218 |
} |
219 |
|
220 |
|
221 |
|
222 |
|
223 |
function show_image() |
224 |
{ |
225 |
global $global_var, $get_vars, $pwd, $exif_headers; |
226 |
|
227 |
$image = $pwd.'/'.$get_vars['img']; |
228 |
|
229 |
$cached_image = $pwd.'/'.$global_var['path']['cache_dir']; |
230 |
|
231 |
if(file_exists($image)) { |
232 |
|
233 |
$image_size = GetImageSize($image); |
234 |
$src_image_size = $image_size; |
235 |
|
236 |
if(isset($get_vars['width'])) { |
237 |
|
238 |
$cache_size = split("x",$get_vars['width']); |
239 |
|
240 |
if($cache_size[0] >= $src_image_size[0]) { |
241 |
$cache_image = $image; |
242 |
} else { |
243 |
if(array_search($get_vars['width'], $global_var['image_sz']['valid_sizes'])) { |
244 |
if(!file_exists($pwd.'/.cache/'.$get_vars['width'].'_'.$get_vars['img'])) { |
245 |
resize_image($get_vars['width'].'_'); |
246 |
} |
247 |
$cached_image = $pwd.'/.cache/'.$get_vars['width'].'_'.$get_vars['img']; |
248 |
} |
249 |
if($cache_size[0] == $global_var['image_sz']['default']['x']) |
250 |
$cached_image = $cached_image.'/default_'.$get_vars['img']; |
251 |
} |
252 |
|
253 |
} else { |
254 |
if(!file_exists($cached_image.'/default_'.$get_vars['img'])) { |
255 |
resize_image('default_'); |
256 |
|
257 |
} |
258 |
$cached_image = $cached_image.'/default_'.$get_vars['img']; |
259 |
|
260 |
} |
261 |
|
262 |
$image_size = GetImageSize($cached_image); |
263 |
|
264 |
extract_exif_data(); |
265 |
|
266 |
if(sizeof($exif_headers) > 0) { |
267 |
|
268 |
$exif_str .= sprintf("<span style=\"font-weight: bold; color:#333;\">EXIF</span> "); |
269 |
|
270 |
foreach($exif_headers as $exif_tag) { |
271 |
$exif_str .= sprintf("| %s ", $exif_tag); |
272 |
} |
273 |
|
274 |
echo <<<EOT |
275 |
<div id="exif_headers">\n |
276 |
<span>$exif_str</span>\n |
277 |
</div>\n |
278 |
EOT; |
279 |
|
280 |
} |
281 |
|
282 |
|
283 |
echo <<<EOT |
284 |
<div id="image" style="width: {$image_size[0]}px; height: {$image_size[1]}px;">\n |
285 |
<a href="$image" target="_blank"><img src="$cached_image" alt=""></a> |
286 |
</div>\n |
287 |
EOT; |
288 |
|
289 |
$image_index = get_image_index(); |
290 |
$next = get_next_image($image_index); |
291 |
$prev = get_prev_image($image_index); |
292 |
|
293 |
echo <<<EOT |
294 |
<span style="font-weight: bold;">Size:</span> |
295 |
EOT; |
296 |
|
297 |
foreach($global_var['image_sz']['valid_sizes'] as $new_size) { |
298 |
|
299 |
if($get_vars['width'] == $new_size) { |
300 |
echo $new_size; |
301 |
} elseif($cache_size[0] >= $src_image_size[0]) { |
302 |
} else { |
303 |
|
304 |
echo <<<EOT |
305 |
<a href="$php_self?dir=$pwd&img={$get_vars[img]}&width=$new_size">$new_size</a> |
306 |
EOT; |
307 |
} |
308 |
|
309 |
} |
310 |
|
311 |
echo <<<EOT |
312 |
<a href="$pwd/{$get_vars[img]}" target="_blank">{$src_image_size[0]}x{$src_image_size[1]}</a> |
313 |
EOT; |
314 |
|
315 |
echo <<<EOT |
316 |
<div>\n |
317 |
<a href="$php_self?dir=$pwd&img=$prev">prev</a> |
318 |
<a href="$php_self?dir=$pwd&img=$next">next</a>\n |
319 |
</div>\n |
320 |
EOT; |
321 |
|
322 |
} |
323 |
} |
324 |
|
325 |
|
326 |
|
327 |
|
328 |
function resize_image($prefix) |
329 |
{ |
330 |
global $global_var, $get_vars, $pwd; |
331 |
$src_image = $get_vars['img']; |
332 |
$cache_dir = $pwd.'/'.$global_var['path']['cache_dir']; |
333 |
|
334 |
if(isset($global_var['external']['magick'])) { |
335 |
if(file_exists($pwd.'/'.$src_image)) { |
336 |
|
337 |
$src_image_sz = GetImageSize($pwd.'/'.$src_image); |
338 |
$resize_aspect = round(($global_var['image_sz']['default']['y'] / $src_image_sz[1])*100, 2); |
339 |
$resize_quality = $global_var['image_sz']['default']['ql']; |
340 |
|
341 |
if(isset($get_vars['width'])) { |
342 |
$new_width = split("x", $get_vars['width']); |
343 |
$resize_aspect = round(($new_width[1] / $src_image_sz[1])*100, 2); |
344 |
} |
345 |
|
346 |
print "Quality: ".$global_var['image_sz']['default']['ql'] ." Resize Aspect: ". $resize_aspect ."%"; |
347 |
if(!file_exists($cache_dir)) |
348 |
mkdir($cache_dir,0777); |
349 |
|
350 |
$debug = array(); |
351 |
|
352 |
exec($global_var['external']['magick'] |
353 |
.' -geometry '.$resize_aspect.'%' |
354 |
.' -quality '.$resize_quality |
355 |
.' '.$pwd.'/'.$src_image |
356 |
.' '.$pwd.'/'.$global_var['path']['cache_dir'].'/'.$prefix.$src_image, $debug, $ret_val |
357 |
); |
358 |
|
359 |
print_r($debug); |
360 |
} |
361 |
} |
362 |
} |
363 |
|
364 |
|
365 |
|
366 |
|
367 |
function get_image_index() |
368 |
{ |
369 |
global $get_vars, $image_files; |
370 |
|
371 |
return array_search($get_vars['img'], $image_files); |
372 |
} |
373 |
|
374 |
function get_next_image($pos) |
375 |
{ |
376 |
global $get_vars, $image_files; |
377 |
|
378 |
$next = $pos + 1; |
379 |
|
380 |
if($next >= sizeof($image_files)) |
381 |
$next = 0; |
382 |
|
383 |
return $image_files[$next]; |
384 |
} |
385 |
|
386 |
function get_prev_image($pos) |
387 |
{ |
388 |
global $get_vars, $image_files; |
389 |
|
390 |
$prev = $pos - 1; |
391 |
|
392 |
if($prev < 0) |
393 |
$prev = sizeof($image_files) - 1; |
394 |
|
395 |
return $image_files[$prev]; |
396 |
} |
397 |
|
398 |
|
399 |
function get_split_path() |
400 |
{ |
401 |
global $pwd; |
402 |
|
403 |
$split_path = split('/', $pwd); |
404 |
|
405 |
return $split_path; |
406 |
} |
407 |
/** |
408 |
* Retirieves all filenames that are images exclude all |
409 |
* other files. It's not recursive so it only examins the |
410 |
* pwd and not sub directories if present. |
411 |
* |
412 |
* @param str $path, pwd |
413 |
* @return @rray $images, list of all filenames |
414 |
*/ |
415 |
function &get_image_filenames($path) |
416 |
{ |
417 |
global $global_var; |
418 |
$images = array(); |
419 |
|
420 |
if(is_dir($path)) { |
421 |
$pwd_dd = opendir($path); |
422 |
while(($file = readdir($pwd_dd)) !== false) { |
423 |
if(is_file($path."/".$file) |
424 |
&& !eregi("^\.|^.*.php|^.*.css|^.*~|^.txt",$file)) |
425 |
array_push($images, $file); |
426 |
} |
427 |
} |
428 |
return $images; |
429 |
} |
430 |
|
431 |
|
432 |
|
433 |
|
434 |
/** |
435 |
* Retrieves all directory names present in $path. Using |
436 |
* eregi we exclude names we don't want in the list. |
437 |
*/ |
438 |
function &get_directory_names($path) |
439 |
{ |
440 |
global $global_var; |
441 |
$dirs = array(); |
442 |
|
443 |
if(is_dir($path)) { |
444 |
$pwd_dd = opendir($path); |
445 |
while(($file = readdir($pwd_dd)) !== false) { |
446 |
if(is_dir($path."/".$file) |
447 |
&& !eregi("^\.|^\..|^CVS|^". $global_var['path']['thumb_dir'] |
448 |
."|^". $global_var['path']['cache_dir'],$file)) |
449 |
array_push($dirs, $file); |
450 |
} |
451 |
} |
452 |
return $dirs; |
453 |
} |
454 |
|
455 |
|
456 |
|
457 |
|
458 |
|
459 |
|
460 |
function create_directory_browser() |
461 |
{ |
462 |
global $pwd, $dir_files; |
463 |
|
464 |
if(sizeof($dir_files)>0) { |
465 |
|
466 |
foreach($dir_files as $dir) { |
467 |
|
468 |
$dir_image = 'open.png'; |
469 |
|
470 |
if(file_exists($pwd.'/'.$dir.'/.htaccess')) |
471 |
$dir_image = 'protected.png'; |
472 |
|
473 |
echo <<<EOT |
474 |
<div style="text-align: center;">\n |
475 |
<a href="$php_self?dir=$pwd/$dir">\n |
476 |
<img src="../images/$dir_image" alt=""/><br/>$dir\n |
477 |
</a>\n |
478 |
</div>\n |
479 |
EOT; |
480 |
} |
481 |
} |
482 |
} |
483 |
|
484 |
|
485 |
|
486 |
|
487 |
|
488 |
|
489 |
if (isset($get_vars['dir']) && is_dir(rawurldecode($get_vars['dir']))) |
490 |
{ |
491 |
$pwd = rawurldecode($get_vars['dir']); |
492 |
} else { |
493 |
$pwd = './'; |
494 |
} |
495 |
|
496 |
$image_files =& get_image_filenames($pwd); |
497 |
$dir_files =& get_directory_names($pwd); |
498 |
|
499 |
|
500 |
// print the html header before continuing processing. |
501 |
html_template_header(); |
502 |
|
503 |
//if($global_var['navigation_bar']) |
504 |
html_template_navbar(); |
505 |
|
506 |
if(sizeof($image_files) <= 0) { |
507 |
if(sizeof($dir_files) > 0) { |
508 |
create_directory_browser(); |
509 |
} else { |
510 |
} |
511 |
} else { |
512 |
if(sizeof($dir_files) > 0) { |
513 |
} |
514 |
if(isset($get_vars['img'])) { |
515 |
show_image(); |
516 |
} else { |
517 |
print_thumbnails(); |
518 |
} |
519 |
} |
520 |
|
521 |
|
522 |
|
523 |
|
524 |
// print the html footer to make it nice and tidy. |
525 |
html_template_footer(); |
526 |
|
527 |
|
528 |
|
529 |
|
530 |
|
531 |
|
532 |
|
533 |
|
534 |
|
535 |
/** |
536 |
* Prints the html header, contains html document specific |
537 |
* definitions and paths. Tags as <title> are set dynamically |
538 |
* everytime the page is reloaded. The template is encapsulated |
539 |
* in a function for structural reasons. |
540 |
*/ |
541 |
function html_template_header() |
542 |
{ |
543 |
global $global_var; |
544 |
echo <<<EOF |
545 |
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" |
546 |
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"> |
547 |
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" > |
548 |
|
549 |
<head> |
550 |
|
551 |
<meta http-equiv="content-type" content="text/html; charset=iso-8859-1" /> |
552 |
<meta name="author" content="{$global_var[metadata][author]}" /> |
553 |
<meta name="keywords" content="{$global_var[metadata][keywords]}" /> |
554 |
<meta name="description" content="{$global_var[metadata][description]}" /> |
555 |
<meta name="robots" content="all" /> |
556 |
|
557 |
<title>expose: </title> |
558 |
|
559 |
<style type="text/css"> |
560 |
@import "./style.css"; |
561 |
</style> |
562 |
|
563 |
<link rel="Shortcut Icon" type="image/x-icon" href="/img/favicon.ico" /> |
564 |
|
565 |
</head> |
566 |
|
567 |
<body> |
568 |
<div id="header">\n |
569 |
<h1>expose:</h1> |
570 |
<span style="font-style: italic;"></span> |
571 |
</div>\n |
572 |
<div id="container">\n |
573 |
EOF; |
574 |
} |
575 |
|
576 |
|
577 |
|
578 |
|
579 |
|
580 |
|
581 |
|
582 |
/** |
583 |
* Prints the html footer, this contains only closing |
584 |
* tags for the html document and the copyright notice. |
585 |
*/ |
586 |
function html_template_footer() |
587 |
{ |
588 |
global $global_var; |
589 |
echo <<<EOF |
590 |
<div id="copyright">\n |
591 |
{$global_var[str_msg][copyright]}<br />\n |
592 |
<a href="">expose</a>\n <span style="font-style: italic;">\$Revision: 1.6 $</span>\n |
593 |
</div>\n\n |
594 |
</div>\n |
595 |
</body>\n |
596 |
</html>\n |
597 |
EOF; |
598 |
} |
599 |
|
600 |
|
601 |
|
602 |
|
603 |
|
604 |
|
605 |
function html_template_navbar() |
606 |
{ |
607 |
global $get_vars; |
608 |
$split_path = get_split_path(); |
609 |
|
610 |
if(sizeof($split_path) > 0) { |
611 |
|
612 |
foreach($split_path as $dir) { |
613 |
if($dir!='') { |
614 |
$path .= $dir.'/'; |
615 |
echo <<<EOT |
616 |
<a style="text-decoration: none;" href="$php_self?dir=$path"> |
617 |
EOT; |
618 |
if($dir == '.') |
619 |
$dir = 'expose'; |
620 |
|
621 |
echo <<<EOT |
622 |
$dir</a> > \n |
623 |
EOT; |
624 |
} |
625 |
} |
626 |
if(isset($get_vars['img'])) { |
627 |
echo <<<EOT |
628 |
{$get_vars[img]} |
629 |
EOT; |
630 |
} |
631 |
} |
632 |
} |
633 |
|
634 |
?> |