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);
365 $this->tmpl->show("single_photo.tpl");
370 * all available tags and tag cloud
372 * this function outputs all available tags (time ordered)
373 * and in addition output them as tag cloud (tags which have
374 * many photos will appears more then others)
376 public function getAvailableTags()
380 $result = $this->db->db_query("
381 SELECT tag_id as id, count(tag_id) as quantity
391 while($row = $this->db->db_fetch_object($result)) {
392 $tags[$row['id']] = $row['quantity'];
395 // change these font sizes if you will
396 $max_size = 125; // max font size in %
397 $min_size = 75; // min font size in %
399 // get the largest and smallest array values
400 $max_qty = max(array_values($tags));
401 $min_qty = min(array_values($tags));
403 // find the range of values
404 $spread = $max_qty - $min_qty;
405 if (0 == $spread) { // we don't want to divide by zero
409 // determine the font-size increment
410 // this is the increase per tag quantity (times used)
411 $step = ($max_size - $min_size)/($spread);
413 // loop through our tag array
414 foreach ($tags as $key => $value) {
416 if(isset($_SESSION['selected_tags']) && in_array($key, $_SESSION['selected_tags']))
419 // calculate CSS font-size
420 // find the $value in excess of $min_qty
421 // multiply by the font-size increment ($size)
422 // and add the $min_size set above
423 $size = $min_size + (($value - $min_qty) * $step);
424 // uncomment if you want sizes in whole %:
427 $output.= "<a href=\"javascript:Tags('add', ". $key .");\" class=\"tag\" style=\"font-size: ". $size ."%;\">". $this->tags[$key] ."</a>, ";
431 $output = substr($output, 0, strlen($output)-2);
434 } // getAvailableTags()
437 * output all selected tags
439 * this function output all tags which have been selected
440 * by the user. the selected tags are stored in the
441 * session-variable $_SESSION['selected_tags']
443 public function getSelectedTags()
446 foreach($this->avail_tags as $tag)
448 // return all selected tags
449 if(isset($_SESSION['selected_tags']) && in_array($tag, $_SESSION['selected_tags'])) {
450 $output.= "<a href=\"javascript:Tags('del', ". $tag .");\" class=\"tag\">". $this->tags[$tag] ."</a>, ";
454 $output = substr($output, 0, strlen($output)-2);
457 } // getSelectedTags()
460 * add tag to users session variable
462 * this function will add the specified to users current
463 * tag selection. if a date search has been made before
464 * it will be now cleared
466 public function addTag($tag)
468 if(!isset($_SESSION['selected_tags']))
469 $_SESSION['selected_tags'] = Array();
471 if(!in_array($tag, $_SESSION['selected_tags']))
472 array_push($_SESSION['selected_tags'], $tag);
477 * remove tag to users session variable
479 * this function removes the specified tag from
480 * users current tag selection
482 public function delTag($tag)
484 if(isset($_SESSION['selected_tags'])) {
485 $key = array_search($tag, $_SESSION['selected_tags']);
486 unset($_SESSION['selected_tags'][$key]);
487 sort($_SESSION['selected_tags']);
493 * reset tag selection
495 * if there is any tag selection, it will be
498 public function resetTags()
500 if(isset($_SESSION['selected_tags']))
501 unset($_SESSION['selected_tags']);
508 * if a specific photo was requested (external link)
509 * unset the session variable now
511 public function resetPhotoView()
513 if(isset($_SESSION['current_photo']))
514 unset($_SESSION['current_photo']);
516 } // resetPhotoView();
521 * if any tag search has taken place, reset
524 public function resetTagSearch()
526 if(isset($_SESSION['searchfor']))
527 unset($_SESSION['searchfor']);
529 } // resetTagSearch()
534 * if any date search has taken place, reset
537 public function resetDateSearch()
539 if(isset($_SESSION['from_date']))
540 unset($_SESSION['from_date']);
541 if(isset($_SESSION['to_date']))
542 unset($_SESSION['to_date']);
544 } // resetDateSearch();
547 * return all photo according selection
549 * this function returns all photos based on
550 * the tag-selection, tag- or date-search.
551 * the tag-search also has to take care of AND
552 * and OR conjunctions
554 public function getPhotoSelection()
556 $matched_photos = Array();
558 if(isset($_SESSION['from_date']) && isset($_SESSION['to_date'])) {
559 $from_date = strtotime($_SESSION['from_date']);
560 $to_date = strtotime($_SESSION['to_date']);
561 $additional_where_cond = "
562 p.time>='". $from_date ."'
564 p.time<='". $to_date ."'
568 if(isset($_SESSION['sort_order'])) {
569 $order_str = $this->get_sort_order();
572 /* return a search result */
573 if(isset($_SESSION['searchfor']) && $_SESSION['searchfor'] != '') {
575 SELECT DISTINCT photo_id
581 WHERE t.name LIKE '%". $_SESSION['searchfor'] ."%'";
583 if(isset($additional_where_cond))
584 $query_str.= "AND ". $additional_where_cond ." ";
585 if(isset($order_str))
586 $query_str.= $order_str;
588 $result = $this->db->db_query($query_str);
589 while($row = $this->db->db_fetch_object($result)) {
590 array_push($matched_photos, $row['photo_id']);
592 return $matched_photos;
595 /* return according the selected tags */
596 if(isset($_SESSION['selected_tags']) && !empty($_SESSION['selected_tags'])) {
598 foreach($_SESSION['selected_tags'] as $tag)
599 $selected.= $tag .",";
600 $selected = substr($selected, 0, strlen($selected)-1);
602 if($_SESSION['tag_condition'] == 'or') {
604 SELECT DISTINCT photo_id
608 WHERE pt.tag_id IN (". $selected .")
610 if(isset($additional_where_cond))
611 $query_str.= "AND ". $additional_where_cond ." ";
612 if(isset($order_str))
613 $query_str.= $order_str;
615 elseif($_SESSION['tag_condition'] == 'and') {
617 if(count($_SESSION['selected_tags']) >= 32) {
618 print "A SQLite limit of 32 tables within a JOIN SELECT avoids to<br />\n";
619 print "evaluate your tag selection. Please remove some tags from your selection.\n";
623 /* Join together a table looking like
625 pt1.photo_id pt1.tag_id pt2.photo_id pt2.tag_id ...
627 so the query can quickly return all images matching the
628 selected tags in an AND condition
633 SELECT DISTINCT pt1.photo_id
637 for($i = 0; $i < count($_SESSION['selected_tags']); $i++) {
639 INNER JOIN photo_tags pt". ($i+2) ."
640 ON pt1.photo_id=pt". ($i+2) .".photo_id
647 $query_str.= "WHERE pt1.tag_id=". $_SESSION['selected_tags'][0];
648 for($i = 1; $i < count($_SESSION['selected_tags']); $i++) {
650 AND pt". ($i+1) .".tag_id=". $_SESSION['selected_tags'][$i] ."
653 if(isset($additional_where_cond))
654 $query_str.= "AND ". $additional_where_cond;
655 if(isset($order_str))
656 $query_str.= $order_str;
659 $result = $this->db->db_query($query_str);
660 while($row = $this->db->db_fetch_object($result)) {
661 array_push($matched_photos, $row['photo_id']);
663 return $matched_photos;
666 /* return all available photos */
668 SELECT DISTINCT photo_id
673 if(isset($additional_where_cond))
674 $query_str.= "WHERE ". $additional_where_cond ." ";
675 if(isset($order_str))
676 $query_str.= $order_str;
678 $result = $this->db->db_query($query_str);
679 while($row = $this->db->db_fetch_object($result)) {
680 array_push($matched_photos, $row['photo_id']);
682 return $matched_photos;
684 } // getPhotoSelection()
687 * control HTML ouput for photo index
689 * this function provides all the necessary information
690 * for the photo index template.
692 public function showPhotoIndex()
694 $photos = $this->getPhotoSelection();
696 $count = count($photos);
698 if(isset($_SESSION['begin_with']) && $_SESSION['begin_with'] != "")
699 $anchor = $_SESSION['begin_with'];
701 if(!isset($this->cfg->rows_per_page) || $this->cfg->rows_per_page == 0) {
707 elseif($this->cfg->rows_per_page > 0) {
709 if(!$_SESSION['begin_with'] || $_SESSION['begin_with'] == 0)
713 $begin_with = $_SESSION['begin_with'];
715 // verify $begin_with - perhaps the thumbs-per-rows or
716 // rows-per-page variables have changed or the jump back
717 // from a photo wasn't exact - so calculate the real new
719 $multiplicator = $this->cfg->rows_per_page * $this->cfg->thumbs_per_row;
720 for($i = 0; $i <= $count; $i+=$multiplicator) {
721 if($begin_with >= $i && $begin_with < $i+$multiplicator) {
728 $end_with = $begin_with + ($this->cfg->rows_per_page * $this->cfg->thumbs_per_row);
734 $images[$rows] = Array();
735 $img_height[$rows] = Array();
736 $img_width[$rows] = Array();
737 $img_id[$rows] = Array();
738 $img_name[$rows] = Array();
739 $img_title = Array();
741 for($i = $begin_with; $i < $end_with; $i++) {
743 $images[$rows][$cols] = $photos[$i];
744 $img_id[$rows][$cols] = $i;
745 $img_name[$rows][$cols] = htmlspecialchars($this->getPhotoName($photos[$i], 15));
746 $img_title[$rows][$cols] = "Click to view photo ". htmlspecialchars($this->getPhotoName($photos[$i], 0));
748 $thumb_path = $this->cfg->base_path ."/thumbs/". $this->cfg->thumb_width ."_". $this->getMD5($photos[$i]);
750 if(file_exists($thumb_path)) {
751 $info = getimagesize($thumb_path);
752 $img_width[$rows][$cols] = $info[0];
753 $img_height[$rows][$cols] = $info[1];
756 if($cols == $this->cfg->thumbs_per_row-1) {
759 $images[$rows] = Array();
760 $img_width[$rows] = Array();
761 $img_height[$rows] = Array();
768 // +1 for for smarty's selection iteration
771 if(isset($_SESSION['searchfor']) && $_SESSION['searchfor'] != '')
772 $this->tmpl->assign('searchfor', $_SESSION['searchfor']);
774 if(isset($_SESSION['from_date']) && isset($_SESSION['to_date'])) {
775 $this->tmpl->assign('from_date', $_SESSION['from_date']);
776 $this->tmpl->assign('to_date', $_SESSION['to_date']);
779 if(isset($_SESSION['selected_tags']) && !empty($_SESSION['selected_tags'])) {
780 $this->tmpl->assign('tag_result', 1);
783 /* do we have to display the page selector ? */
784 if($this->cfg->rows_per_page != 0) {
786 /* calculate the page switchers */
787 $previous_start = $begin_with - ($this->cfg->rows_per_page * $this->cfg->thumbs_per_row);
788 $next_start = $begin_with + ($this->cfg->rows_per_page * $this->cfg->thumbs_per_row);
791 $this->tmpl->assign("previous_url", "javascript:showPhotoIndex(". $previous_start .");");
792 if($end_with < $count)
793 $this->tmpl->assign("next_url", "javascript:showPhotoIndex(". $next_start .");");
795 $photo_per_page = $this->cfg->rows_per_page * $this->cfg->thumbs_per_row;
796 $last_page = ceil($count / $photo_per_page);
798 /* get the current selected page */
799 if($begin_with == 0) {
803 for($i = $begin_with; $i >= 0; $i-=$photo_per_page) {
810 for($i = 1; $i <= $last_page; $i++) {
812 if($current_page == $i)
813 $style = "style=\"font-size: 125%;\"";
814 elseif($current_page-1 == $i || $current_page+1 == $i)
815 $style = "style=\"font-size: 105%;\"";
816 elseif(($current_page-5 >= $i) && ($i != 1) ||
817 ($current_page+5 <= $i) && ($i != $last_page))
818 $style = "style=\"font-size: 75%;\"";
822 $select = "<a href=\"javascript:showPhotoIndex(". (($i*$photo_per_page)-$photo_per_page) .");\"";
825 $select.= ">". $i ."</a> ";
827 // until 9 pages we show the selector from 1-9
828 if($last_page <= 9) {
829 $page_select.= $select;
832 if($i == 1 /* first page */ ||
833 $i == $last_page /* last page */ ||
834 $i == $current_page /* current page */ ||
835 $i == ceil($last_page * 0.25) /* first quater */ ||
836 $i == ceil($last_page * 0.5) /* half */ ||
837 $i == ceil($last_page * 0.75) /* third quater */ ||
838 (in_array($i, array(1,2,3,4,5,6)) && $current_page <= 4) /* the first 6 */ ||
839 (in_array($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 */ ||
840 $i == $current_page-3 || $i == $current_page-2 || $i == $current_page-1 /* three before */ ||
841 $i == $current_page+3 || $i == $current_page+2 || $i == $current_page+1 /* three after */) {
843 $page_select.= $select;
851 $page_select.= "......... ";
856 /* only show the page selector if we have more then one page */
858 $this->tmpl->assign('page_selector', $page_select);
862 $current_tags = $this->getCurrentTags();
863 $extern_link = "index.php?mode=showpi";
864 if($current_tags != "") {
865 $extern_link.= "&tags=". $current_tags;
867 if(isset($_SESSION['from_date']) && isset($_SESSION['to_date'])) {
868 $extern_link.= "&from_date=". $_SESSION['from_date'] ."&to_date=". $_SESSION['to_date'];
871 $export_link = "index.php?mode=export";
872 $slideshow_link = "index.php?mode=slideshow";
874 $this->tmpl->assign('extern_link', $extern_link);
875 $this->tmpl->assign('slideshow_link', $slideshow_link);
876 $this->tmpl->assign('export_link', $export_link);
877 $this->tmpl->assign('count', $count);
878 $this->tmpl->assign('width', $this->cfg->thumb_width);
879 $this->tmpl->assign('images', $images);
880 $this->tmpl->assign('img_width', $img_width);
881 $this->tmpl->assign('img_height', $img_height);
882 $this->tmpl->assign('img_id', $img_id);
883 $this->tmpl->assign('img_name', $img_name);
884 $this->tmpl->assign('img_title', $img_title);
885 $this->tmpl->assign('rows', $rows);
886 $this->tmpl->assign('columns', $this->cfg->thumbs_per_row);
888 $this->tmpl->show("photo_index.tpl");
891 print "<script language=\"JavaScript\">self.location.hash = '#image". $anchor ."';</script>\n";
893 } // showPhotoIndex()
896 * show credit template
898 public function showCredits()
900 $this->tmpl->assign('version', $this->cfg->version);
901 $this->tmpl->assign('product', $this->cfg->product);
902 $this->tmpl->show("credits.tpl");
907 * create_thumbnails for the requested width
909 * this function creates image thumbnails of $orig_image
910 * stored as $thumb_image. It will check if the image is
911 * in a supported format, if necessary rotate the image
912 * (based on EXIF orientation meta headers) and re-sizing.
914 public function create_thumbnail($orig_image, $thumb_image, $width)
916 if(!file_exists($orig_image)) {
920 $details = getimagesize($orig_image);
922 /* check if original photo is a support image type */
923 if(!$this->checkifImageSupported($details['mime']))
926 $meta = $this->get_meta_informations($orig_image);
931 switch($meta['Orientation']) {
933 case 1: /* top, left */
934 $rotate = 0; $flip = false; break;
935 case 2: /* top, right */
936 $rotate = 0; $flip = true; break;
937 case 3: /* bottom, left */
938 $rotate = 180; $flip = false; break;
939 case 4: /* bottom, right */
940 $rotate = 180; $flip = true; break;
941 case 5: /* left side, top */
942 $rotate = 90; $flip = true; break;
943 case 6: /* right side, top */
944 $rotate = 90; $flip = false; break;
945 case 7: /* left side, bottom */
946 $rotate = 270; $flip = true; break;
947 case 8: /* right side, bottom */
948 $rotate = 270; $flip = false; break;
951 $src_img = @imagecreatefromjpeg($orig_image);
954 print "Can't load image from ". $orig_image ."\n";
958 /* grabs the height and width */
959 $cur_width = imagesx($src_img);
960 $cur_height = imagesy($src_img);
962 // If requested width is more then the actual image width,
963 // do not generate a thumbnail, instead safe the original
964 // as thumbnail but with lower quality
966 if($width >= $cur_width) {
967 $result = imagejpeg($src_img, $thumb_image, 75);
968 imagedestroy($src_img);
972 // If the image will be rotate because EXIF orientation said so
973 // 'virtually rotate' the image for further calculations
974 if($rotate == 90 || $rotate == 270) {
976 $cur_width = $cur_height;
980 /* calculates aspect ratio */
981 $aspect_ratio = $cur_height / $cur_width;
984 if($aspect_ratio < 1) {
986 $new_h = abs($new_w * $aspect_ratio);
988 /* 'virtually' rotate the image and calculate it's ratio */
989 $tmp_w = $cur_height;
991 /* now get the ratio from the 'rotated' image */
992 $tmp_ratio = $tmp_h/$tmp_w;
993 /* now calculate the new dimensions */
995 $tmp_h = abs($tmp_w * $tmp_ratio);
997 // now that we know, how high they photo should be, if it
998 // gets rotated, use this high to scale the image
1000 $new_w = abs($new_h / $aspect_ratio);
1002 // If the image will be rotate because EXIF orientation said so
1003 // now 'virtually rotate' back the image for the image manipulation
1004 if($rotate == 90 || $rotate == 270) {
1011 /* creates new image of that size */
1012 $dst_img = imagecreatetruecolor($new_w, $new_h);
1014 imagefill($dst_img, 0, 0, ImageColorAllocate($dst_img, 255, 255, 255));
1016 /* copies resized portion of original image into new image */
1017 imagecopyresampled($dst_img, $src_img, 0, 0, 0, 0, $new_w, $new_h, imagesx($src_img), imagesy($src_img));
1019 /* needs the image to be flipped horizontal? */
1023 for($x = 0; $x < $new_w; $x++) {
1024 imagecopy($dst_img, $image, $x, 0, $w - $x - 1, 0, 1, $h);
1029 $this->_debug("(ROTATE)");
1030 $dst_img = $this->rotateImage($dst_img, $rotate);
1033 /* write down new generated file */
1034 $result = imagejpeg($dst_img, $thumb_image, 75);
1036 /* free your mind */
1037 imagedestroy($dst_img);
1038 imagedestroy($src_img);
1040 if($result === false) {
1041 print "Can't write thumbnail ". $thumb_image ."\n";
1047 } // create_thumbnail()
1050 * return all exif meta data from the file
1052 public function get_meta_informations($file)
1054 return exif_read_data($file);
1056 } // get_meta_informations()
1059 * create phpfspot own sqlite database
1061 * this function creates phpfspots own sqlite database
1062 * if it does not exist yet. this own is used to store
1063 * some necessary informations (md5 sum's, ...).
1065 public function check_config_table()
1067 // if the config table doesn't exist yet, create it
1068 if(!$this->cfg_db->db_check_table_exists("images")) {
1069 $this->cfg_db->db_exec("
1070 CREATE TABLE images (
1071 img_idx int primary key,
1077 } // check_config_table
1080 * Generates a thumbnail from photo idx
1082 * This function will generate JPEG thumbnails from provided F-Spot photo
1085 * 1. Check if all thumbnail generations (width) are already in place and
1087 * 2. Check if the md5sum of the original file has changed
1088 * 3. Generate the thumbnails if needed
1090 public function gen_thumb($idx = 0, $force = 0)
1094 $resolutions = Array(
1095 $this->cfg->thumb_width,
1096 $this->cfg->photo_width,
1097 $this->cfg->mini_width,
1100 /* get details from F-Spot's database */
1101 $details = $this->get_photo_details($idx);
1103 /* calculate file MD5 sum */
1104 $full_path = $this->translate_path($details['directory_path']) ."/". $details['name'];
1106 if(!file_exists($full_path)) {
1107 $this->_warning("File ". $full_path ." does not exist\n");
1111 if(!is_readable($full_path)) {
1112 $this->_warning("File ". $full_path ." is not readable for ". $this->getuid() ."\n");
1116 $file_md5 = md5_file($full_path);
1118 $this->_debug("Image [". $idx ."] ". $details['name'] ." Thumbnails:");
1120 foreach($resolutions as $resolution) {
1122 $thumb_path = $this->cfg->base_path ."/thumbs/". $resolution ."_". $file_md5;
1124 /* if the thumbnail file doesn't exist, create it */
1125 if(!file_exists($thumb_path)) {
1127 $this->_debug(" ". $resolution ."px");
1128 if(!$this->create_thumbnail($full_path, $thumb_path, $resolution))
1131 /* if the file hasn't changed there is no need to regen the thumb */
1132 elseif($file_md5 != $this->getMD5($idx) || $force) {
1134 $this->_debug(" ". $resolution ."px");
1135 if(!$this->create_thumbnail($full_path, $thumb_path, $resolution))
1141 /* set the new/changed MD5 sum for the current photo */
1143 $this->setMD5($idx, $file_md5);
1146 $this->_debug("\n");
1151 * returns stored md5 sum for a specific photo
1153 * this function queries the phpfspot database for a
1154 * stored MD5 checksum of the specified photo
1156 public function getMD5($idx)
1158 $result = $this->cfg_db->db_query("
1161 WHERE img_idx='". $idx ."'
1167 $img = $this->cfg_db->db_fetch_object($result);
1168 return $img['img_md5'];
1173 * set MD5 sum for the specific photo
1175 private function setMD5($idx, $md5)
1177 $result = $this->cfg_db->db_exec("
1178 REPLACE INTO images (img_idx, img_md5)
1179 VALUES ('". $idx ."', '". $md5 ."')
1185 * store current tag condition
1187 * this function stores the current tag condition
1188 * (AND or OR) in the users session variables
1190 public function setTagCondition($mode)
1192 $_SESSION['tag_condition'] = $mode;
1194 } // setTagCondition()
1197 * invoke tag & date search
1199 * this function will return all matching tags and store
1200 * them in the session variable selected_tags. furthermore
1201 * it also handles the date search.
1202 * getPhotoSelection() will then only return the matching
1205 public function startSearch($searchfor, $from, $to, $sort_order)
1207 $_SESSION['searchfor'] = $searchfor;
1208 $_SESSION['from_date'] = $from;
1209 $_SESSION['to_date'] = $to;
1210 $_SESSION['sort_order'] = $sort_order;
1212 if($searchfor != "") {
1213 /* new search, reset the current selected tags */
1214 $_SESSION['selected_tags'] = Array();
1215 foreach($this->avail_tags as $tag) {
1216 if(preg_match('/'. $searchfor .'/i', $this->tags[$tag]))
1217 array_push($_SESSION['selected_tags'], $tag);
1225 * this function rotates the image according the
1228 private function rotateImage($img, $degrees)
1230 if(function_exists("imagerotate")) {
1231 $img = imagerotate($img, $degrees, 0);
1233 function imagerotate($src_img, $angle)
1235 $src_x = imagesx($src_img);
1236 $src_y = imagesy($src_img);
1237 if ($angle == 180) {
1241 elseif ($src_x <= $src_y) {
1245 elseif ($src_x >= $src_y) {
1250 $rotate=imagecreatetruecolor($dest_x,$dest_y);
1251 imagealphablending($rotate, false);
1256 for ($y = 0; $y < ($src_y); $y++) {
1257 for ($x = 0; $x < ($src_x); $x++) {
1258 $color = imagecolorat($src_img, $x, $y);
1259 imagesetpixel($rotate, $dest_x - $y - 1, $x, $color);
1265 for ($y = 0; $y < ($src_y); $y++) {
1266 for ($x = 0; $x < ($src_x); $x++) {
1267 $color = imagecolorat($src_img, $x, $y);
1268 imagesetpixel($rotate, $y, $dest_y - $x - 1, $color);
1274 for ($y = 0; $y < ($src_y); $y++) {
1275 for ($x = 0; $x < ($src_x); $x++) {
1276 $color = imagecolorat($src_img, $x, $y);
1277 imagesetpixel($rotate, $dest_x - $x - 1, $dest_y - $y - 1, $color);
1291 $img = imagerotate($img, $degrees);
1300 * return all assigned tags for the specified photo
1302 private function get_photo_tags($idx)
1304 $result = $this->db->db_query("
1307 INNER JOIN photo_tags pt
1309 WHERE pt.photo_id='". $idx ."'
1314 while($row = $this->db->db_fetch_object($result))
1315 $tags[$row['id']] = $row['name'];
1319 } // get_photo_tags()
1322 * create on-the-fly images with text within
1324 public function showTextImage($txt, $color=000000, $space=4, $font=4, $w=300)
1326 if (strlen($color) != 6)
1329 $int = hexdec($color);
1330 $h = imagefontheight($font);
1331 $fw = imagefontwidth($font);
1332 $txt = explode("\n", wordwrap($txt, ($w / $fw), "\n"));
1333 $lines = count($txt);
1334 $im = imagecreate($w, (($h * $lines) + ($lines * $space)));
1335 $bg = imagecolorallocate($im, 255, 255, 255);
1336 $color = imagecolorallocate($im, 0xFF & ($int >> 0x10), 0xFF & ($int >> 0x8), 0xFF & $int);
1339 foreach ($txt as $text) {
1340 $x = (($w - ($fw * strlen($text))) / 2);
1341 imagestring($im, $font, $x, $y, $text, $color);
1342 $y += ($h + $space);
1345 Header("Content-type: image/png");
1348 } // showTextImage()
1351 * check if all requirements are met
1353 private function checkRequirements()
1355 if(!function_exists("imagecreatefromjpeg")) {
1356 print "PHP GD library extension is missing<br />\n";
1360 if(!function_exists("sqlite3_open")) {
1361 print "PHP SQLite3 library extension is missing<br />\n";
1365 /* Check for HTML_AJAX PEAR package, lent from Horde project */
1366 ini_set('track_errors', 1);
1367 @include_once 'HTML/AJAX/Server.php';
1368 if(isset($php_errormsg) && preg_match('/Failed opening.*for inclusion/i', $php_errormsg)) {
1369 print "PEAR HTML_AJAX package is missing<br />\n";
1372 @include_once 'Calendar/Calendar.php';
1373 if(isset($php_errormsg) && preg_match('/Failed opening.*for inclusion/i', $php_errormsg)) {
1374 print "PEAR Calendar package is missing<br />\n";
1377 ini_restore('track_errors');
1384 } // checkRequirements()
1386 private function _debug($text)
1388 if($this->fromcmd) {
1395 * check if specified MIME type is supported
1397 public function checkifImageSupported($mime)
1399 if(in_array($mime, Array("image/jpeg")))
1404 } // checkifImageSupported()
1406 public function _warning($text)
1408 print "<img src=\"resources/green_info.png\" alt=\"warning\" />\n";
1414 * output calendard input fields
1416 private function get_calendar($mode)
1418 $year = $_SESSION[$mode .'_date'] ? date("Y", strtotime($_SESSION[$mode .'_date'])) : date("Y");
1419 $month = $_SESSION[$mode .'_date'] ? date("m", strtotime($_SESSION[$mode .'_date'])) : date("m");
1420 $day = $_SESSION[$mode .'_date'] ? date("d", strtotime($_SESSION[$mode .'_date'])) : date("d");
1422 $output = "<input type=\"text\" size=\"3\" id=\"". $mode ."year\" value=\"". $year ."\"";
1423 if(!isset($_SESSION[$mode .'_date'])) $output.= " disabled=\"disabled\"";
1425 $output.= "<input type=\"text\" size=\"1\" id=\"". $mode ."month\" value=\"". $month ."\"";
1426 if(!isset($_SESSION[$mode .'_date'])) $output.= " disabled=\"disabled\"";
1428 $output.= "<input type=\"text\" size=\"1\" id=\"". $mode ."day\" value=\"". $day ."\"";
1429 if(!isset($_SESSION[$mode .'_date'])) $output.= " disabled=\"disabled\"";
1436 * output calendar matrix
1438 public function get_calendar_matrix($year = 0, $month = 0, $day = 0)
1440 if (!isset($year)) $year = date('Y');
1441 if (!isset($month)) $month = date('m');
1442 if (!isset($day)) $day = date('d');
1447 require_once CALENDAR_ROOT.'Month/Weekdays.php';
1448 require_once CALENDAR_ROOT.'Day.php';
1451 $month = new Calendar_Month_Weekdays($year,$month);
1454 $prevStamp = $month->prevMonth(true);
1455 $prev = "javascript:setMonth(". date('Y',$prevStamp) .", ". date('n',$prevStamp) .", ". date('j',$prevStamp) .");";
1456 $nextStamp = $month->nextMonth(true);
1457 $next = "javascript:setMonth(". date('Y',$nextStamp) .", ". date('n',$nextStamp) .", ". date('j',$nextStamp) .");";
1459 $selectedDays = array (
1460 new Calendar_Day($year,$month,$day),
1461 new Calendar_Day($year,12,25),
1464 // Build the days in the month
1465 $month->build($selectedDays);
1467 $this->tmpl->assign('current_month', date('F Y',$month->getTimeStamp()));
1468 $this->tmpl->assign('prev_month', $prev);
1469 $this->tmpl->assign('next_month', $next);
1471 while ( $day = $month->fetch() ) {
1473 if(!isset($matrix[$rows]))
1474 $matrix[$rows] = Array();
1478 $dayStamp = $day->thisDay(true);
1479 $link = "javascript:setCalendarDate(". date('Y',$dayStamp) .", ". date('n',$dayStamp).", ". date('j',$dayStamp) .");";
1481 // isFirst() to find start of week
1482 if ( $day->isFirst() )
1485 if ( $day->isSelected() ) {
1486 $string.= "<td class=\"selected\">".$day->thisDay()."</td>\n";
1487 } else if ( $day->isEmpty() ) {
1488 $string.= "<td> </td>\n";
1490 $string.= "<td><a class=\"calendar\" href=\"".$link."\">".$day->thisDay()."</a></td>\n";
1493 // isLast() to find end of week
1494 if ( $day->isLast() )
1495 $string.= "</tr>\n";
1497 $matrix[$rows][$cols] = $string;
1507 $this->tmpl->assign('matrix', $matrix);
1508 $this->tmpl->assign('rows', $rows);
1509 $this->tmpl->show("calendar.tpl");
1511 } // get_calendar_matrix()
1514 * output export page
1516 public function getExport($mode)
1518 $pictures = $this->getPhotoSelection();
1519 $current_tags = $this->getCurrentTags();
1521 if(!isset($_SERVER['HTTPS'])) $protocol = "http";
1522 else $protocol = "https";
1524 $server_name = $_SERVER['SERVER_NAME'];
1526 foreach($pictures as $picture) {
1528 $orig_url = $protocol ."://". $server_name . $this->cfg->web_path ."index.php?mode=showp&id=". $picture;
1529 if($current_tags != "") {
1530 $orig_url.= "&tags=". $current_tags;
1532 if(isset($_SESSION['from_date']) && isset($_SESSION['to_date'])) {
1533 $orig_url.= "&from_date=". $_SESSION['from_date'] ."&to_date=". $_SESSION['to_date'];
1536 $thumb_url = $protocol ."://". $server_name . $this->cfg->web_path ."phpfspot_img.php?idx=". $picture ."&width=". $this->cfg->thumb_width;
1541 // <a href="%pictureurl%"><img src="%thumbnailurl%" ></a>
1542 print htmlspecialchars("<a href=\"". $orig_url ."\"><img src=\"". $thumb_url ."\" /></a>") ."<br />\n";
1546 // [%pictureurl% %thumbnailurl%]
1547 print htmlspecialchars(" * [".$orig_url." ".$thumb_url."&fake=1.jpg]") ."<br />\n";
1556 * return all selected tags as one string
1558 private function getCurrentTags()
1561 if($_SESSION['selected_tags'] != "") {
1562 foreach($_SESSION['selected_tags'] as $tag)
1563 $current_tags.= $tag .",";
1564 $current_tags = substr($current_tags, 0, strlen($current_tags)-1);
1566 return $current_tags;
1568 } // getCurrentTags()
1571 * return the current photo
1573 public function getCurrentPhoto()
1575 if(isset($_SESSION['current_photo'])) {
1576 print $_SESSION['current_photo'];
1578 } // getCurrentPhoto()
1581 * tells the client browser what to do
1583 * this function is getting called via AJAX by the
1584 * client browsers. it will tell them what they have
1585 * to do next. This is necessary for directly jumping
1586 * into photo index or single photo view when the are
1587 * requested with specific URLs
1589 public function whatToDo()
1591 if(isset($_SESSION['current_photo']) && $_SESSION['start_action'] == 'showp') {
1592 return "show_photo";
1594 elseif((isset($_SESSION['selected_tags']) && !empty($_SESSION['selected_tags'])) ||
1595 (isset($_SESSION['from_date']) && isset($_SESSION['to_date']))) {
1598 elseif(isset($_SESSION['start_action']) && $_SESSION['start_action'] == 'showpi') {
1602 return "nothing special";
1607 * return the current process-user
1609 private function getuid()
1611 if($uid = posix_getuid()) {
1612 if($user = posix_getpwuid($uid)) {
1613 return $user['name'];
1622 * returns a select-dropdown box to select photo index sort parameters
1624 private function get_sort_field()
1626 $output = "<select name=\"sort_order\">";
1627 foreach(array('date_asc', 'date_desc', 'name_asc', 'name_desc') as $sort_order) {
1628 $output.= "<option value=\"". $sort_order ."\"";
1629 if($sort_order == $_SESSION['sort_order']) {
1630 $output.= " selected=\"selected\"";
1632 $output.= ">". $sort_order ."</option>";
1634 $output.= "</select>";
1637 } // get_sort_field()
1640 * returns the currently selected sort order
1642 private function get_sort_order()
1644 switch($_SESSION['sort_order']) {
1646 return " ORDER BY p.time ASC";
1649 return " ORDER BY p.time DESC";
1652 return " ORDER BY p.name ASC";
1655 return " ORDER BY p.name DESC";
1659 } // get_sort_order()
1661 public function getNextSlideShowImage()
1663 $all_photos = $this->getPhotoSelection();
1665 if(!isset($_SESSION['slideshow_img']) || $_SESSION['slideshow_img'] == count($all_photos)-1)
1666 $_SESSION['slideshow_img'] = 0;
1668 $_SESSION['slideshow_img']++;
1670 $server_name = $_SERVER['SERVER_NAME'];
1671 if(!isset($_SERVER['HTTPS'])) $protocol = "http";
1672 else $protocol = "https";
1674 return $protocol ."://". $server_name . $this->cfg->web_path ."phpfspot_img.php?idx=". $all_photos[$_SESSION['slideshow_img']] ."&width=". $this->cfg->photo_width;
1676 } // getNextSlideShowImage()
1678 public function resetSlideShow()
1680 if(isset($_SESSION['slideshow_img']))
1681 unset($_SESSION['slideshow_img']);
1682 } // resetSlideShow()