3 /***************************************************************************
5 * Copyright (c) by Andreas Unterkircher, unki@netshadow.at
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
22 ***************************************************************************/
24 require_once "phpfspot_cfg.php";
25 require_once "phpfspot_db.php";
26 require_once "phpfspot_tmpl.php";
40 * this function will be called on class construct
41 * and will check requirements, loads configuration,
42 * open databases and start the user session
44 public function __construct()
46 /* Check necessary requirements */
47 if(!$this->checkRequirements()) {
51 $this->cfg = new PHPFSPOT_CFG;
53 $this->db = new PHPFSPOT_DB(&$this, $this->cfg->fspot_db);
55 if(!is_writeable(dirname($this->cfg->phpfspot_db))) {
56 print dirname($this->cfg->phpfspot_db) .": directory is not writeable!";
60 $this->cfg_db = new PHPFSPOT_DB(&$this, $this->cfg->phpfspot_db);
61 $this->check_config_table();
63 $this->tmpl = new PHPFSPOT_TMPL($this);
69 if(!isset($_SESSION['tag_condition']))
70 $_SESSION['tag_condition'] = 'or';
72 if(!isset($_SESSION['sort_order']))
73 $_SESSION['sort_order'] = 'date_asc';
75 if(!isset($_SESSION['searchfor']))
76 $_SESSION['searchfor'] = '';
78 // if begin_with is still set but rows_per_page is now 0, unset it
79 if(isset($_SESSION['begin_with']) && $this->cfg->rows_per_page == 0)
80 unset($_SESSION['begin_with']);
84 public function __destruct()
90 * show - generate html output
92 * this function can be called after the constructor has
93 * prepared everyhing. it will load the index.tpl smarty
94 * template. if necessary it will registere pre-selects
95 * (photo index, photo, tag search, date search) into
98 public function show()
100 $this->tmpl->assign('searchfor', $_SESSION['searchfor']);
101 $this->tmpl->assign('page_title', $this->cfg->page_title);
102 $this->tmpl->assign('current_condition', $_SESSION['tag_condition']);
104 $_SESSION['start_action'] = $_GET['mode'];
106 switch($_GET['mode']) {
108 if(isset($_GET['tags'])) {
109 $_SESSION['selected_tags'] = split(',', $_GET['tags']);
111 if(isset($_GET['from_date'])) {
112 $_SESSION['from_date'] = $_GET['from_date'];
114 if(isset($_GET['to_date'])) {
115 $_SESSION['to_date'] = $_GET['to_date'];
119 if(isset($_GET['tags'])) {
120 $_SESSION['selected_tags'] = split(',', $_GET['tags']);
121 $_SESSION['start_action'] = 'showp';
123 if(isset($_GET['id'])) {
124 $_SESSION['current_photo'] = $_GET['id'];
125 $_SESSION['start_action'] = 'showp';
127 if(isset($_GET['from_date'])) {
128 $_SESSION['from_date'] = $_GET['from_date'];
130 if(isset($_GET['to_date'])) {
131 $_SESSION['to_date'] = $_GET['to_date'];
135 $this->tmpl->show("export.tpl");
139 $this->tmpl->show("slideshow.tpl");
144 $this->tmpl->assign('from_date', $this->get_calendar('from'));
145 $this->tmpl->assign('to_date', $this->get_calendar('to'));
146 $this->tmpl->assign('sort_field', $this->get_sort_field());
147 $this->tmpl->assign('content_page', 'welcome.tpl');
148 $this->tmpl->show("index.tpl");
154 * get_tags - grab all tags of f-spot's database
156 * this function will get all available tags from
157 * the f-spot database and store them within two
158 * arrays within this clase for later usage. in
159 * fact, if the user requests (hide_tags) it will
160 * opt-out some of them.
162 * this function is getting called once by show()
164 private function get_tags()
166 $this->avail_tags = Array();
169 $result = $this->db->db_query("
172 ORDER BY sort_priority ASC
175 while($row = $this->db->db_fetch_object($result)) {
177 $tag_id = $row['id'];
178 $tag_name = $row['name'];
180 /* check if config requests to ignore this tag */
181 if(in_array($row['name'], $this->cfg->hide_tags))
184 $this->tags[$tag_id] = $tag_name;
185 $this->avail_tags[$count] = $tag_id;
194 * extract all photo details
196 * retrieve all available details from f-spot's
197 * database and return them as object
199 public function get_photo_details($idx)
201 $result = $this->db->db_query("
204 WHERE id='". $idx ."'
207 return $this->db->db_fetch_object($result);
209 } // get_photo_details
212 * returns aligned photo names
214 * this function returns aligned (length) names for
215 * an specific photo. If the length of the name exceeds
216 * $limit the name will be shrinked (...)
218 public function getPhotoName($idx, $limit = 0)
220 if($details = $this->get_photo_details($idx)) {
221 $name = $details['name'];
222 if($limit != 0 && strlen($name) > $limit) {
223 $name = substr($name, 0, $limit-5) ."...". substr($name, -($limit-5));
231 * translate f-spoth photo path
233 * as the full-qualified path recorded in the f-spot database
234 * is usally not the same as on the webserver, this function
235 * will replace the path with that one specified in the cfg
237 public function translate_path($path, $width = 0)
239 return str_replace($this->cfg->path_replace_from, $this->cfg->path_replace_to, $path);
244 * control HTML ouput for a single photo
246 * this function provides all the necessary information
247 * for the single photo template.
249 public function showPhoto($photo)
251 /* get all photos from the current photo selection */
252 $all_photos = $this->getPhotoSelection();
253 $count = count($all_photos);
255 for($i = 0; $i < $count; $i++) {
257 // $get_next will be set, when the photo which has to
258 // be displayed has been found - this means that the
259 // next available is in fact the NEXT image (for the
261 if(isset($get_next)) {
262 $next_img = $all_photos[$i];
266 /* the next photo is our NEXT photo */
267 if($all_photos[$i] == $photo) {
271 $previous_img = $all_photos[$i];
274 if($photo == $all_photos[$i]) {
279 $details = $this->get_photo_details($photo);
286 $orig_path = $this->translate_path($details['directory_path']) ."/". $details['name'];
287 $thumb_path = $this->cfg->base_path ."/thumbs/". $this->cfg->photo_width ."_". $this->getMD5($photo);
289 if(!file_exists($orig_path)) {
290 $this->_warning("Photo ". $orig_path ." does not exist!<br />\n");
293 if(!is_readable($orig_path)) {
294 $this->_warning("Photo ". $orig_path ." is not readable for user ". $this->getuid() ."<br />\n");
297 /* If the thumbnail doesn't exist yet, try to create it */
298 if(!file_exists($thumb_path)) {
299 $this->gen_thumb($photo, true);
300 $thumb_path = $this->cfg->base_path ."/thumbs/". $this->cfg->photo_width ."_". $this->getMD5($photo);
303 /* get f-spot database meta information */
304 $meta = $this->get_meta_informations($orig_path);
306 /* If EXIF data are available, use them */
307 if(isset($meta['ExifImageWidth'])) {
308 $meta_res = $meta['ExifImageWidth'] ."x". $meta['ExifImageLength'];
310 $info = getimagesize($orig_path);
311 $meta_res = $info[0] ."x". $info[1];
314 $meta_date = isset($meta['FileDateTime']) ? strftime("%a %x %X", $meta['FileDateTime']) : "n/a";
315 $meta_make = isset($meta['Make']) ? $meta['Make'] ." / ". $meta['Model'] : "n/a";
316 $meta_size = isset($meta['FileSize']) ? round($meta['FileSize']/1024, 1) ."kbyte" : "n/a";
318 $extern_link = "index.php?mode=showp&id=". $photo;
319 $current_tags = $this->getCurrentTags();
320 if($current_tags != "") {
321 $extern_link.= "&tags=". $current_tags;
323 if(isset($_SESSION['from_date']) && isset($_SESSION['to_date'])) {
324 $extern_link.= "&from_date=". $_SESSION['from_date'] ."&to_date=". $_SESSION['to_date'];
327 $this->tmpl->assign('extern_link', $extern_link);
329 if(file_exists($thumb_path)) {
331 $info = getimagesize($thumb_path);
333 $this->tmpl->assign('description', $details['description']);
334 $this->tmpl->assign('image_name', $details['name']);
336 $this->tmpl->assign('width', $info[0]);
337 $this->tmpl->assign('height', $info[1]);
338 $this->tmpl->assign('ExifMadeOn', $meta_date);
339 $this->tmpl->assign('ExifMadeWith', $meta_make);
340 $this->tmpl->assign('ExifOrigResolution', $meta_res);
341 $this->tmpl->assign('ExifFileSize', $meta_size);
343 $this->tmpl->assign('image_url', 'phpfspot_img.php?idx='. $photo ."&width=". $this->cfg->photo_width);
344 $this->tmpl->assign('image_url_full', 'phpfspot_img.php?idx='. $photo);
346 $this->tmpl->assign('tags', $this->get_photo_tags($photo));
347 $this->tmpl->assign('current', $current);
350 $this->_warning("Can't open file ". $thumb_path ."\n");
355 $this->tmpl->assign('previous_url', "javascript:showImage(". $previous_img .");");
356 $this->tmpl->assign('prev_img', $previous_img);
360 $this->tmpl->assign('next_url', "javascript:showImage(". $next_img .");");
361 $this->tmpl->assign('next_img', $next_img);
363 $this->tmpl->assign('mini_width', $this->cfg->mini_width);
364 $this->tmpl->assign('photo_number', $i);
365 $this->tmpl->assign('photo_count', count($all_photos));
367 $this->tmpl->show("single_photo.tpl");
372 * all available tags and tag cloud
374 * this function outputs all available tags (time ordered)
375 * and in addition output them as tag cloud (tags which have
376 * many photos will appears more then others)
378 public function getAvailableTags()
382 $result = $this->db->db_query("
383 SELECT tag_id as id, count(tag_id) as quantity
393 while($row = $this->db->db_fetch_object($result)) {
394 $tags[$row['id']] = $row['quantity'];
397 // change these font sizes if you will
398 $max_size = 125; // max font size in %
399 $min_size = 75; // min font size in %
401 // get the largest and smallest array values
402 $max_qty = max(array_values($tags));
403 $min_qty = min(array_values($tags));
405 // find the range of values
406 $spread = $max_qty - $min_qty;
407 if (0 == $spread) { // we don't want to divide by zero
411 // determine the font-size increment
412 // this is the increase per tag quantity (times used)
413 $step = ($max_size - $min_size)/($spread);
415 // loop through our tag array
416 foreach ($tags as $key => $value) {
418 if(isset($_SESSION['selected_tags']) && in_array($key, $_SESSION['selected_tags']))
421 // calculate CSS font-size
422 // find the $value in excess of $min_qty
423 // multiply by the font-size increment ($size)
424 // and add the $min_size set above
425 $size = $min_size + (($value - $min_qty) * $step);
426 // uncomment if you want sizes in whole %:
429 $output.= "<a href=\"javascript:Tags('add', ". $key .");\" class=\"tag\" style=\"font-size: ". $size ."%;\">". $this->tags[$key] ."</a>, ";
433 $output = substr($output, 0, strlen($output)-2);
436 } // getAvailableTags()
439 * output all selected tags
441 * this function output all tags which have been selected
442 * by the user. the selected tags are stored in the
443 * session-variable $_SESSION['selected_tags']
445 public function getSelectedTags()
448 foreach($this->avail_tags as $tag)
450 // return all selected tags
451 if(isset($_SESSION['selected_tags']) && in_array($tag, $_SESSION['selected_tags'])) {
452 $output.= "<a href=\"javascript:Tags('del', ". $tag .");\" class=\"tag\">". $this->tags[$tag] ."</a>, ";
456 $output = substr($output, 0, strlen($output)-2);
459 } // getSelectedTags()
462 * add tag to users session variable
464 * this function will add the specified to users current
465 * tag selection. if a date search has been made before
466 * it will be now cleared
468 public function addTag($tag)
470 if(!isset($_SESSION['selected_tags']))
471 $_SESSION['selected_tags'] = Array();
473 if(!in_array($tag, $_SESSION['selected_tags']))
474 array_push($_SESSION['selected_tags'], $tag);
479 * remove tag to users session variable
481 * this function removes the specified tag from
482 * users current tag selection
484 public function delTag($tag)
486 if(isset($_SESSION['selected_tags'])) {
487 $key = array_search($tag, $_SESSION['selected_tags']);
488 unset($_SESSION['selected_tags'][$key]);
489 sort($_SESSION['selected_tags']);
495 * reset tag selection
497 * if there is any tag selection, it will be
500 public function resetTags()
502 if(isset($_SESSION['selected_tags']))
503 unset($_SESSION['selected_tags']);
510 * if a specific photo was requested (external link)
511 * unset the session variable now
513 public function resetPhotoView()
515 if(isset($_SESSION['current_photo']))
516 unset($_SESSION['current_photo']);
518 } // resetPhotoView();
523 * if any tag search has taken place, reset
526 public function resetTagSearch()
528 if(isset($_SESSION['searchfor']))
529 unset($_SESSION['searchfor']);
531 } // resetTagSearch()
536 * if any date search has taken place, reset
539 public function resetDateSearch()
541 if(isset($_SESSION['from_date']))
542 unset($_SESSION['from_date']);
543 if(isset($_SESSION['to_date']))
544 unset($_SESSION['to_date']);
546 } // resetDateSearch();
549 * return all photo according selection
551 * this function returns all photos based on
552 * the tag-selection, tag- or date-search.
553 * the tag-search also has to take care of AND
554 * and OR conjunctions
556 public function getPhotoSelection()
558 $matched_photos = Array();
560 if(isset($_SESSION['from_date']) && isset($_SESSION['to_date'])) {
561 $from_date = strtotime($_SESSION['from_date']);
562 $to_date = strtotime($_SESSION['to_date']);
563 $additional_where_cond = "
564 p.time>='". $from_date ."'
566 p.time<='". $to_date ."'
570 if(isset($_SESSION['sort_order'])) {
571 $order_str = $this->get_sort_order();
574 /* return a search result */
575 if(isset($_SESSION['searchfor']) && $_SESSION['searchfor'] != '') {
577 SELECT DISTINCT photo_id
583 WHERE t.name LIKE '%". $_SESSION['searchfor'] ."%'";
585 if(isset($additional_where_cond))
586 $query_str.= "AND ". $additional_where_cond ." ";
587 if(isset($order_str))
588 $query_str.= $order_str;
590 $result = $this->db->db_query($query_str);
591 while($row = $this->db->db_fetch_object($result)) {
592 array_push($matched_photos, $row['photo_id']);
594 return $matched_photos;
597 /* return according the selected tags */
598 if(isset($_SESSION['selected_tags']) && !empty($_SESSION['selected_tags'])) {
600 foreach($_SESSION['selected_tags'] as $tag)
601 $selected.= $tag .",";
602 $selected = substr($selected, 0, strlen($selected)-1);
604 if($_SESSION['tag_condition'] == 'or') {
606 SELECT DISTINCT photo_id
610 WHERE pt.tag_id IN (". $selected .")
612 if(isset($additional_where_cond))
613 $query_str.= "AND ". $additional_where_cond ." ";
614 if(isset($order_str))
615 $query_str.= $order_str;
617 elseif($_SESSION['tag_condition'] == 'and') {
619 if(count($_SESSION['selected_tags']) >= 32) {
620 print "A SQLite limit of 32 tables within a JOIN SELECT avoids to<br />\n";
621 print "evaluate your tag selection. Please remove some tags from your selection.\n";
625 /* Join together a table looking like
627 pt1.photo_id pt1.tag_id pt2.photo_id pt2.tag_id ...
629 so the query can quickly return all images matching the
630 selected tags in an AND condition
635 SELECT DISTINCT pt1.photo_id
639 for($i = 0; $i < count($_SESSION['selected_tags']); $i++) {
641 INNER JOIN photo_tags pt". ($i+2) ."
642 ON pt1.photo_id=pt". ($i+2) .".photo_id
649 $query_str.= "WHERE pt1.tag_id=". $_SESSION['selected_tags'][0];
650 for($i = 1; $i < count($_SESSION['selected_tags']); $i++) {
652 AND pt". ($i+1) .".tag_id=". $_SESSION['selected_tags'][$i] ."
655 if(isset($additional_where_cond))
656 $query_str.= "AND ". $additional_where_cond;
657 if(isset($order_str))
658 $query_str.= $order_str;
661 $result = $this->db->db_query($query_str);
662 while($row = $this->db->db_fetch_object($result)) {
663 array_push($matched_photos, $row['photo_id']);
665 return $matched_photos;
668 /* return all available photos */
670 SELECT DISTINCT photo_id
675 if(isset($additional_where_cond))
676 $query_str.= "WHERE ". $additional_where_cond ." ";
677 if(isset($order_str))
678 $query_str.= $order_str;
680 $result = $this->db->db_query($query_str);
681 while($row = $this->db->db_fetch_object($result)) {
682 array_push($matched_photos, $row['photo_id']);
684 return $matched_photos;
686 } // getPhotoSelection()
689 * control HTML ouput for photo index
691 * this function provides all the necessary information
692 * for the photo index template.
694 public function showPhotoIndex()
696 $photos = $this->getPhotoSelection();
698 $count = count($photos);
700 if(isset($_SESSION['begin_with']) && $_SESSION['begin_with'] != "")
701 $anchor = $_SESSION['begin_with'];
703 if(!isset($this->cfg->rows_per_page) || $this->cfg->rows_per_page == 0) {
709 elseif($this->cfg->rows_per_page > 0) {
711 if(!$_SESSION['begin_with'] || $_SESSION['begin_with'] == 0)
715 $begin_with = $_SESSION['begin_with'];
717 // verify $begin_with - perhaps the thumbs-per-rows or
718 // rows-per-page variables have changed or the jump back
719 // from a photo wasn't exact - so calculate the real new
721 $multiplicator = $this->cfg->rows_per_page * $this->cfg->thumbs_per_row;
722 for($i = 0; $i <= $count; $i+=$multiplicator) {
723 if($begin_with >= $i && $begin_with < $i+$multiplicator) {
730 $end_with = $begin_with + ($this->cfg->rows_per_page * $this->cfg->thumbs_per_row);
736 $images[$rows] = Array();
737 $img_height[$rows] = Array();
738 $img_width[$rows] = Array();
739 $img_id[$rows] = Array();
740 $img_name[$rows] = Array();
741 $img_title = Array();
743 for($i = $begin_with; $i < $end_with; $i++) {
745 $images[$rows][$cols] = $photos[$i];
746 $img_id[$rows][$cols] = $i;
747 $img_name[$rows][$cols] = htmlspecialchars($this->getPhotoName($photos[$i], 15));
748 $img_title[$rows][$cols] = "Click to view photo ". htmlspecialchars($this->getPhotoName($photos[$i], 0));
750 $thumb_path = $this->cfg->base_path ."/thumbs/". $this->cfg->thumb_width ."_". $this->getMD5($photos[$i]);
752 if(file_exists($thumb_path)) {
753 $info = getimagesize($thumb_path);
754 $img_width[$rows][$cols] = $info[0];
755 $img_height[$rows][$cols] = $info[1];
758 if($cols == $this->cfg->thumbs_per_row-1) {
761 $images[$rows] = Array();
762 $img_width[$rows] = Array();
763 $img_height[$rows] = Array();
770 // +1 for for smarty's selection iteration
773 if(isset($_SESSION['searchfor']) && $_SESSION['searchfor'] != '')
774 $this->tmpl->assign('searchfor', $_SESSION['searchfor']);
776 if(isset($_SESSION['from_date']) && isset($_SESSION['to_date'])) {
777 $this->tmpl->assign('from_date', $_SESSION['from_date']);
778 $this->tmpl->assign('to_date', $_SESSION['to_date']);
781 if(isset($_SESSION['selected_tags']) && !empty($_SESSION['selected_tags'])) {
782 $this->tmpl->assign('tag_result', 1);
785 /* do we have to display the page selector ? */
786 if($this->cfg->rows_per_page != 0) {
788 /* calculate the page switchers */
789 $previous_start = $begin_with - ($this->cfg->rows_per_page * $this->cfg->thumbs_per_row);
790 $next_start = $begin_with + ($this->cfg->rows_per_page * $this->cfg->thumbs_per_row);
793 $this->tmpl->assign("previous_url", "javascript:showPhotoIndex(". $previous_start .");");
794 if($end_with < $count)
795 $this->tmpl->assign("next_url", "javascript:showPhotoIndex(". $next_start .");");
797 $photo_per_page = $this->cfg->rows_per_page * $this->cfg->thumbs_per_row;
798 $last_page = ceil($count / $photo_per_page);
800 /* get the current selected page */
801 if($begin_with == 0) {
805 for($i = $begin_with; $i >= 0; $i-=$photo_per_page) {
812 for($i = 1; $i <= $last_page; $i++) {
814 if($current_page == $i)
815 $style = "style=\"font-size: 125%;\"";
816 elseif($current_page-1 == $i || $current_page+1 == $i)
817 $style = "style=\"font-size: 105%;\"";
818 elseif(($current_page-5 >= $i) && ($i != 1) ||
819 ($current_page+5 <= $i) && ($i != $last_page))
820 $style = "style=\"font-size: 75%;\"";
824 $select = "<a href=\"javascript:showPhotoIndex(". (($i*$photo_per_page)-$photo_per_page) .");\"";
827 $select.= ">". $i ."</a> ";
829 // until 9 pages we show the selector from 1-9
830 if($last_page <= 9) {
831 $page_select.= $select;
834 if($i == 1 /* first page */ ||
835 $i == $last_page /* last page */ ||
836 $i == $current_page /* current page */ ||
837 $i == ceil($last_page * 0.25) /* first quater */ ||
838 $i == ceil($last_page * 0.5) /* half */ ||
839 $i == ceil($last_page * 0.75) /* third quater */ ||
840 (in_array($i, array(1,2,3,4,5,6)) && $current_page <= 4) /* the first 6 */ ||
841 (in_array($i, array($last_page, $last_page-1, $last_page-2, $last_page-3, $last_page-4, $last_page-5)) && $current_page >= $last_page-4) /* the last 6 */ ||
842 $i == $current_page-3 || $i == $current_page-2 || $i == $current_page-1 /* three before */ ||
843 $i == $current_page+3 || $i == $current_page+2 || $i == $current_page+1 /* three after */) {
845 $page_select.= $select;
853 $page_select.= "......... ";
858 /* only show the page selector if we have more then one page */
860 $this->tmpl->assign('page_selector', $page_select);
864 $current_tags = $this->getCurrentTags();
865 $extern_link = "index.php?mode=showpi";
866 if($current_tags != "") {
867 $extern_link.= "&tags=". $current_tags;
869 if(isset($_SESSION['from_date']) && isset($_SESSION['to_date'])) {
870 $extern_link.= "&from_date=". $_SESSION['from_date'] ."&to_date=". $_SESSION['to_date'];
873 $export_link = "index.php?mode=export";
874 $slideshow_link = "index.php?mode=slideshow";
876 $this->tmpl->assign('extern_link', $extern_link);
877 $this->tmpl->assign('slideshow_link', $slideshow_link);
878 $this->tmpl->assign('export_link', $export_link);
879 $this->tmpl->assign('count', $count);
880 $this->tmpl->assign('width', $this->cfg->thumb_width);
881 $this->tmpl->assign('images', $images);
882 $this->tmpl->assign('img_width', $img_width);
883 $this->tmpl->assign('img_height', $img_height);
884 $this->tmpl->assign('img_id', $img_id);
885 $this->tmpl->assign('img_name', $img_name);
886 $this->tmpl->assign('img_title', $img_title);
887 $this->tmpl->assign('rows', $rows);
888 $this->tmpl->assign('columns', $this->cfg->thumbs_per_row);
890 $this->tmpl->show("photo_index.tpl");
893 print "<script language=\"JavaScript\">self.location.hash = '#image". $anchor ."';</script>\n";
895 } // showPhotoIndex()
898 * show credit template
900 public function showCredits()
902 $this->tmpl->assign('version', $this->cfg->version);
903 $this->tmpl->assign('product', $this->cfg->product);
904 $this->tmpl->show("credits.tpl");
909 * create_thumbnails for the requested width
911 * this function creates image thumbnails of $orig_image
912 * stored as $thumb_image. It will check if the image is
913 * in a supported format, if necessary rotate the image
914 * (based on EXIF orientation meta headers) and re-sizing.
916 public function create_thumbnail($orig_image, $thumb_image, $width)
918 if(!file_exists($orig_image)) {
922 $details = getimagesize($orig_image);
924 /* check if original photo is a support image type */
925 if(!$this->checkifImageSupported($details['mime']))
928 $meta = $this->get_meta_informations($orig_image);
933 switch($meta['Orientation']) {
935 case 1: /* top, left */
936 $rotate = 0; $flip = false; break;
937 case 2: /* top, right */
938 $rotate = 0; $flip = true; break;
939 case 3: /* bottom, left */
940 $rotate = 180; $flip = false; break;
941 case 4: /* bottom, right */
942 $rotate = 180; $flip = true; break;
943 case 5: /* left side, top */
944 $rotate = 90; $flip = true; break;
945 case 6: /* right side, top */
946 $rotate = 90; $flip = false; break;
947 case 7: /* left side, bottom */
948 $rotate = 270; $flip = true; break;
949 case 8: /* right side, bottom */
950 $rotate = 270; $flip = false; break;
953 $src_img = @imagecreatefromjpeg($orig_image);
956 print "Can't load image from ". $orig_image ."\n";
960 /* grabs the height and width */
961 $cur_width = imagesx($src_img);
962 $cur_height = imagesy($src_img);
964 // If requested width is more then the actual image width,
965 // do not generate a thumbnail, instead safe the original
966 // as thumbnail but with lower quality
968 if($width >= $cur_width) {
969 $result = imagejpeg($src_img, $thumb_image, 75);
970 imagedestroy($src_img);
974 // If the image will be rotate because EXIF orientation said so
975 // 'virtually rotate' the image for further calculations
976 if($rotate == 90 || $rotate == 270) {
978 $cur_width = $cur_height;
982 /* calculates aspect ratio */
983 $aspect_ratio = $cur_height / $cur_width;
986 if($aspect_ratio < 1) {
988 $new_h = abs($new_w * $aspect_ratio);
990 /* 'virtually' rotate the image and calculate it's ratio */
991 $tmp_w = $cur_height;
993 /* now get the ratio from the 'rotated' image */
994 $tmp_ratio = $tmp_h/$tmp_w;
995 /* now calculate the new dimensions */
997 $tmp_h = abs($tmp_w * $tmp_ratio);
999 // now that we know, how high they photo should be, if it
1000 // gets rotated, use this high to scale the image
1002 $new_w = abs($new_h / $aspect_ratio);
1004 // If the image will be rotate because EXIF orientation said so
1005 // now 'virtually rotate' back the image for the image manipulation
1006 if($rotate == 90 || $rotate == 270) {
1013 /* creates new image of that size */
1014 $dst_img = imagecreatetruecolor($new_w, $new_h);
1016 imagefill($dst_img, 0, 0, ImageColorAllocate($dst_img, 255, 255, 255));
1018 /* copies resized portion of original image into new image */
1019 imagecopyresampled($dst_img, $src_img, 0, 0, 0, 0, $new_w, $new_h, imagesx($src_img), imagesy($src_img));
1021 /* needs the image to be flipped horizontal? */
1025 for($x = 0; $x < $new_w; $x++) {
1026 imagecopy($dst_img, $image, $x, 0, $w - $x - 1, 0, 1, $h);
1031 $this->_debug("(ROTATE)");
1032 $dst_img = $this->rotateImage($dst_img, $rotate);
1035 /* write down new generated file */
1036 $result = imagejpeg($dst_img, $thumb_image, 75);
1038 /* free your mind */
1039 imagedestroy($dst_img);
1040 imagedestroy($src_img);
1042 if($result === false) {
1043 print "Can't write thumbnail ". $thumb_image ."\n";
1049 } // create_thumbnail()
1052 * return all exif meta data from the file
1054 public function get_meta_informations($file)
1056 return exif_read_data($file);
1058 } // get_meta_informations()
1061 * create phpfspot own sqlite database
1063 * this function creates phpfspots own sqlite database
1064 * if it does not exist yet. this own is used to store
1065 * some necessary informations (md5 sum's, ...).
1067 public function check_config_table()
1069 // if the config table doesn't exist yet, create it
1070 if(!$this->cfg_db->db_check_table_exists("images")) {
1071 $this->cfg_db->db_exec("
1072 CREATE TABLE images (
1073 img_idx int primary key,
1079 } // check_config_table
1082 * Generates a thumbnail from photo idx
1084 * This function will generate JPEG thumbnails from provided F-Spot photo
1087 * 1. Check if all thumbnail generations (width) are already in place and
1089 * 2. Check if the md5sum of the original file has changed
1090 * 3. Generate the thumbnails if needed
1092 public function gen_thumb($idx = 0, $force = 0)
1096 $resolutions = Array(
1097 $this->cfg->thumb_width,
1098 $this->cfg->photo_width,
1099 $this->cfg->mini_width,
1102 /* get details from F-Spot's database */
1103 $details = $this->get_photo_details($idx);
1105 /* calculate file MD5 sum */
1106 $full_path = $this->translate_path($details['directory_path']) ."/". $details['name'];
1108 if(!file_exists($full_path)) {
1109 $this->_warning("File ". $full_path ." does not exist\n");
1113 if(!is_readable($full_path)) {
1114 $this->_warning("File ". $full_path ." is not readable for ". $this->getuid() ."\n");
1118 $file_md5 = md5_file($full_path);
1120 $this->_debug("Image [". $idx ."] ". $details['name'] ." Thumbnails:");
1122 foreach($resolutions as $resolution) {
1124 $thumb_path = $this->cfg->base_path ."/thumbs/". $resolution ."_". $file_md5;
1126 /* if the thumbnail file doesn't exist, create it */
1127 if(!file_exists($thumb_path)) {
1129 $this->_debug(" ". $resolution ."px");
1130 if(!$this->create_thumbnail($full_path, $thumb_path, $resolution))
1133 /* if the file hasn't changed there is no need to regen the thumb */
1134 elseif($file_md5 != $this->getMD5($idx) || $force) {
1136 $this->_debug(" ". $resolution ."px");
1137 if(!$this->create_thumbnail($full_path, $thumb_path, $resolution))
1143 /* set the new/changed MD5 sum for the current photo */
1145 $this->setMD5($idx, $file_md5);
1148 $this->_debug("\n");
1153 * returns stored md5 sum for a specific photo
1155 * this function queries the phpfspot database for a
1156 * stored MD5 checksum of the specified photo
1158 public function getMD5($idx)
1160 $result = $this->cfg_db->db_query("
1163 WHERE img_idx='". $idx ."'
1169 $img = $this->cfg_db->db_fetch_object($result);
1170 return $img['img_md5'];
1175 * set MD5 sum for the specific photo
1177 private function setMD5($idx, $md5)
1179 $result = $this->cfg_db->db_exec("
1180 REPLACE INTO images (img_idx, img_md5)
1181 VALUES ('". $idx ."', '". $md5 ."')
1187 * store current tag condition
1189 * this function stores the current tag condition
1190 * (AND or OR) in the users session variables
1192 public function setTagCondition($mode)
1194 $_SESSION['tag_condition'] = $mode;
1196 } // setTagCondition()
1199 * invoke tag & date search
1201 * this function will return all matching tags and store
1202 * them in the session variable selected_tags. furthermore
1203 * it also handles the date search.
1204 * getPhotoSelection() will then only return the matching
1207 public function startSearch($searchfor, $from, $to, $sort_order)
1209 $_SESSION['searchfor'] = $searchfor;
1210 $_SESSION['from_date'] = $from;
1211 $_SESSION['to_date'] = $to;
1212 $_SESSION['sort_order'] = $sort_order;
1214 if($searchfor != "") {
1215 /* new search, reset the current selected tags */
1216 $_SESSION['selected_tags'] = Array();
1217 foreach($this->avail_tags as $tag) {
1218 if(preg_match('/'. $searchfor .'/i', $this->tags[$tag]))
1219 array_push($_SESSION['selected_tags'], $tag);
1227 * this function rotates the image according the
1230 private function rotateImage($img, $degrees)
1232 if(function_exists("imagerotate")) {
1233 $img = imagerotate($img, $degrees, 0);
1235 function imagerotate($src_img, $angle)
1237 $src_x = imagesx($src_img);
1238 $src_y = imagesy($src_img);
1239 if ($angle == 180) {
1243 elseif ($src_x <= $src_y) {
1247 elseif ($src_x >= $src_y) {
1252 $rotate=imagecreatetruecolor($dest_x,$dest_y);
1253 imagealphablending($rotate, false);
1258 for ($y = 0; $y < ($src_y); $y++) {
1259 for ($x = 0; $x < ($src_x); $x++) {
1260 $color = imagecolorat($src_img, $x, $y);
1261 imagesetpixel($rotate, $dest_x - $y - 1, $x, $color);
1267 for ($y = 0; $y < ($src_y); $y++) {
1268 for ($x = 0; $x < ($src_x); $x++) {
1269 $color = imagecolorat($src_img, $x, $y);
1270 imagesetpixel($rotate, $y, $dest_y - $x - 1, $color);
1276 for ($y = 0; $y < ($src_y); $y++) {
1277 for ($x = 0; $x < ($src_x); $x++) {
1278 $color = imagecolorat($src_img, $x, $y);
1279 imagesetpixel($rotate, $dest_x - $x - 1, $dest_y - $y - 1, $color);
1293 $img = imagerotate($img, $degrees);
1302 * return all assigned tags for the specified photo
1304 private function get_photo_tags($idx)
1306 $result = $this->db->db_query("
1309 INNER JOIN photo_tags pt
1311 WHERE pt.photo_id='". $idx ."'
1316 while($row = $this->db->db_fetch_object($result))
1317 $tags[$row['id']] = $row['name'];
1321 } // get_photo_tags()
1324 * create on-the-fly images with text within
1326 public function showTextImage($txt, $color=000000, $space=4, $font=4, $w=300)
1328 if (strlen($color) != 6)
1331 $int = hexdec($color);
1332 $h = imagefontheight($font);
1333 $fw = imagefontwidth($font);
1334 $txt = explode("\n", wordwrap($txt, ($w / $fw), "\n"));
1335 $lines = count($txt);
1336 $im = imagecreate($w, (($h * $lines) + ($lines * $space)));
1337 $bg = imagecolorallocate($im, 255, 255, 255);
1338 $color = imagecolorallocate($im, 0xFF & ($int >> 0x10), 0xFF & ($int >> 0x8), 0xFF & $int);
1341 foreach ($txt as $text) {
1342 $x = (($w - ($fw * strlen($text))) / 2);
1343 imagestring($im, $font, $x, $y, $text, $color);
1344 $y += ($h + $space);
1347 Header("Content-type: image/png");
1350 } // showTextImage()
1353 * check if all requirements are met
1355 private function checkRequirements()
1357 if(!function_exists("imagecreatefromjpeg")) {
1358 print "PHP GD library extension is missing<br />\n";
1362 if(!function_exists("sqlite3_open")) {
1363 print "PHP SQLite3 library extension is missing<br />\n";
1367 /* Check for HTML_AJAX PEAR package, lent from Horde project */
1368 ini_set('track_errors', 1);
1369 @include_once 'HTML/AJAX/Server.php';
1370 if(isset($php_errormsg) && preg_match('/Failed opening.*for inclusion/i', $php_errormsg)) {
1371 print "PEAR HTML_AJAX package is missing<br />\n";
1374 @include_once 'Calendar/Calendar.php';
1375 if(isset($php_errormsg) && preg_match('/Failed opening.*for inclusion/i', $php_errormsg)) {
1376 print "PEAR Calendar package is missing<br />\n";
1379 ini_restore('track_errors');
1386 } // checkRequirements()
1388 private function _debug($text)
1390 if($this->fromcmd) {
1397 * check if specified MIME type is supported
1399 public function checkifImageSupported($mime)
1401 if(in_array($mime, Array("image/jpeg")))
1406 } // checkifImageSupported()
1408 public function _warning($text)
1410 print "<img src=\"resources/green_info.png\" alt=\"warning\" />\n";
1416 * output calendard input fields
1418 private function get_calendar($mode)
1420 $year = $_SESSION[$mode .'_date'] ? date("Y", strtotime($_SESSION[$mode .'_date'])) : date("Y");
1421 $month = $_SESSION[$mode .'_date'] ? date("m", strtotime($_SESSION[$mode .'_date'])) : date("m");
1422 $day = $_SESSION[$mode .'_date'] ? date("d", strtotime($_SESSION[$mode .'_date'])) : date("d");
1424 $output = "<input type=\"text\" size=\"3\" id=\"". $mode ."year\" value=\"". $year ."\"";
1425 if(!isset($_SESSION[$mode .'_date'])) $output.= " disabled=\"disabled\"";
1427 $output.= "<input type=\"text\" size=\"1\" id=\"". $mode ."month\" value=\"". $month ."\"";
1428 if(!isset($_SESSION[$mode .'_date'])) $output.= " disabled=\"disabled\"";
1430 $output.= "<input type=\"text\" size=\"1\" id=\"". $mode ."day\" value=\"". $day ."\"";
1431 if(!isset($_SESSION[$mode .'_date'])) $output.= " disabled=\"disabled\"";
1438 * output calendar matrix
1440 public function get_calendar_matrix($year = 0, $month = 0, $day = 0)
1442 if (!isset($year)) $year = date('Y');
1443 if (!isset($month)) $month = date('m');
1444 if (!isset($day)) $day = date('d');
1449 require_once CALENDAR_ROOT.'Month/Weekdays.php';
1450 require_once CALENDAR_ROOT.'Day.php';
1453 $month = new Calendar_Month_Weekdays($year,$month);
1456 $prevStamp = $month->prevMonth(true);
1457 $prev = "javascript:setMonth(". date('Y',$prevStamp) .", ". date('n',$prevStamp) .", ". date('j',$prevStamp) .");";
1458 $nextStamp = $month->nextMonth(true);
1459 $next = "javascript:setMonth(". date('Y',$nextStamp) .", ". date('n',$nextStamp) .", ". date('j',$nextStamp) .");";
1461 $selectedDays = array (
1462 new Calendar_Day($year,$month,$day),
1463 new Calendar_Day($year,12,25),
1466 // Build the days in the month
1467 $month->build($selectedDays);
1469 $this->tmpl->assign('current_month', date('F Y',$month->getTimeStamp()));
1470 $this->tmpl->assign('prev_month', $prev);
1471 $this->tmpl->assign('next_month', $next);
1473 while ( $day = $month->fetch() ) {
1475 if(!isset($matrix[$rows]))
1476 $matrix[$rows] = Array();
1480 $dayStamp = $day->thisDay(true);
1481 $link = "javascript:setCalendarDate(". date('Y',$dayStamp) .", ". date('n',$dayStamp).", ". date('j',$dayStamp) .");";
1483 // isFirst() to find start of week
1484 if ( $day->isFirst() )
1487 if ( $day->isSelected() ) {
1488 $string.= "<td class=\"selected\">".$day->thisDay()."</td>\n";
1489 } else if ( $day->isEmpty() ) {
1490 $string.= "<td> </td>\n";
1492 $string.= "<td><a class=\"calendar\" href=\"".$link."\">".$day->thisDay()."</a></td>\n";
1495 // isLast() to find end of week
1496 if ( $day->isLast() )
1497 $string.= "</tr>\n";
1499 $matrix[$rows][$cols] = $string;
1509 $this->tmpl->assign('matrix', $matrix);
1510 $this->tmpl->assign('rows', $rows);
1511 $this->tmpl->show("calendar.tpl");
1513 } // get_calendar_matrix()
1516 * output export page
1518 public function getExport($mode)
1520 $pictures = $this->getPhotoSelection();
1521 $current_tags = $this->getCurrentTags();
1523 if(!isset($_SERVER['HTTPS'])) $protocol = "http";
1524 else $protocol = "https";
1526 $server_name = $_SERVER['SERVER_NAME'];
1528 foreach($pictures as $picture) {
1530 $orig_url = $protocol ."://". $server_name . $this->cfg->web_path ."index.php?mode=showp&id=". $picture;
1531 if($current_tags != "") {
1532 $orig_url.= "&tags=". $current_tags;
1534 if(isset($_SESSION['from_date']) && isset($_SESSION['to_date'])) {
1535 $orig_url.= "&from_date=". $_SESSION['from_date'] ."&to_date=". $_SESSION['to_date'];
1538 $thumb_url = $protocol ."://". $server_name . $this->cfg->web_path ."phpfspot_img.php?idx=". $picture ."&width=". $this->cfg->thumb_width;
1543 // <a href="%pictureurl%"><img src="%thumbnailurl%" ></a>
1544 print htmlspecialchars("<a href=\"". $orig_url ."\"><img src=\"". $thumb_url ."\" /></a>") ."<br />\n";
1548 // [%pictureurl% %thumbnailurl%]
1549 print htmlspecialchars(" * [".$orig_url." ".$thumb_url."&fake=1.jpg]") ."<br />\n";
1558 * return all selected tags as one string
1560 private function getCurrentTags()
1563 if($_SESSION['selected_tags'] != "") {
1564 foreach($_SESSION['selected_tags'] as $tag)
1565 $current_tags.= $tag .",";
1566 $current_tags = substr($current_tags, 0, strlen($current_tags)-1);
1568 return $current_tags;
1570 } // getCurrentTags()
1573 * return the current photo
1575 public function getCurrentPhoto()
1577 if(isset($_SESSION['current_photo'])) {
1578 print $_SESSION['current_photo'];
1580 } // getCurrentPhoto()
1583 * tells the client browser what to do
1585 * this function is getting called via AJAX by the
1586 * client browsers. it will tell them what they have
1587 * to do next. This is necessary for directly jumping
1588 * into photo index or single photo view when the are
1589 * requested with specific URLs
1591 public function whatToDo()
1593 if(isset($_SESSION['current_photo']) && $_SESSION['start_action'] == 'showp') {
1594 return "show_photo";
1596 elseif((isset($_SESSION['selected_tags']) && !empty($_SESSION['selected_tags'])) ||
1597 (isset($_SESSION['from_date']) && isset($_SESSION['to_date']))) {
1600 elseif(isset($_SESSION['start_action']) && $_SESSION['start_action'] == 'showpi') {
1604 return "nothing special";
1609 * return the current process-user
1611 private function getuid()
1613 if($uid = posix_getuid()) {
1614 if($user = posix_getpwuid($uid)) {
1615 return $user['name'];
1624 * returns a select-dropdown box to select photo index sort parameters
1626 private function get_sort_field()
1628 $output = "<select name=\"sort_order\">";
1629 foreach(array('date_asc', 'date_desc', 'name_asc', 'name_desc') as $sort_order) {
1630 $output.= "<option value=\"". $sort_order ."\"";
1631 if($sort_order == $_SESSION['sort_order']) {
1632 $output.= " selected=\"selected\"";
1634 $output.= ">". $sort_order ."</option>";
1636 $output.= "</select>";
1639 } // get_sort_field()
1642 * returns the currently selected sort order
1644 private function get_sort_order()
1646 switch($_SESSION['sort_order']) {
1648 return " ORDER BY p.time ASC";
1651 return " ORDER BY p.time DESC";
1654 return " ORDER BY p.name ASC";
1657 return " ORDER BY p.name DESC";
1661 } // get_sort_order()
1663 public function getNextSlideShowImage()
1665 $all_photos = $this->getPhotoSelection();
1667 if(!isset($_SESSION['slideshow_img']) || $_SESSION['slideshow_img'] == count($all_photos)-1)
1668 $_SESSION['slideshow_img'] = 0;
1670 $_SESSION['slideshow_img']++;
1672 $server_name = $_SERVER['SERVER_NAME'];
1673 if(!isset($_SERVER['HTTPS'])) $protocol = "http";
1674 else $protocol = "https";
1676 return $protocol ."://". $server_name . $this->cfg->web_path ."phpfspot_img.php?idx=". $all_photos[$_SESSION['slideshow_img']] ."&width=". $this->cfg->photo_width;
1678 } // getNextSlideShowImage()
1680 public function resetSlideShow()
1682 if(isset($_SESSION['slideshow_img']))
1683 unset($_SESSION['slideshow_img']);
1684 } // resetSlideShow()