phpfspot.class.php

   1 <?php
   2
   3 require_once "phpfspot_cfg.php";
   4 require_once "phpfspot_db.php";
   5 require_once "phpfspot_tmpl.php";
   6
   7 class PHPFSPOT {
   8
   9    var $cfg;
  10    var $db;
  11    var $cfg_db;
  12    var $tmpl;
  13    var $tags;
  14    var $avail_tags;
  15    var $current_tags;
  16
  17    public function __construct()
  18    {
  19       $this->cfg = new PHPFSPOT_CFG;
  20
  21       $this->db = new PHPFSPOT_DB(&$this, $this->cfg->fspot_db);
  22
  23       $this->cfg_db = new PHPFSPOT_DB(&$this, $this->cfg->phpfspot_db);
  24       $this->check_config_table();
  25
  26       $this->tmpl = new PHPFSPOT_TMPL($this);
  27
  28       $this->get_tags();
  29
  30       session_start();
  31
  32       if(!isset($_SESSION['tag_condition']))
  33          $_SESSION['tag_condition'] = 'or';
  34
  35       if(!isset($_SESSION['searchfor']))
  36          $_SESSION['searchfor'] = '';
  37
  38    } // __construct()
  39
  40    public function __destruct()
  41    {
  42
  43    } // __destruct()
  44
  45    public function show()
  46    {
  47       $this->tmpl->assign('searchfor', $_SESSION['searchfor']);
  48       $this->tmpl->assign('page_title', $this->cfg->page_title);
  49       $this->tmpl->assign('current_condition', $_SESSION['tag_condition']);
  50       $this->tmpl->show("index.tpl");
  51
  52    } // show()
  53
  54    private function get_tags()
  55    {
  56       $this->avail_tags = Array();
  57       $count = 0;
  58
  59       $result = $this->db->db_query("
  60          SELECT id,name
  61          FROM tags
  62          ORDER BY sort_priority ASC
  63       ");
  64
  65       while($row = $this->db->db_fetch_object($result)) {
  66
  67          $tag_id = $row['id'];
  68          $tag_name = $row['name'];
  69
  70          /* check if config requests to ignore this tag */
  71          if(in_array($row['name'], $this->cfg->hide_tags))
  72             continue;
  73
  74          $this->tags[$tag_id] = $tag_name;
  75          $this->avail_tags[$count] = $tag_id;
  76
  77          $count++;
  78
  79       }
  80
  81    } // get_tags()
  82
  83    public function get_photo_details($idx)
  84    {
  85       $result = $this->db->db_query("
  86          SELECT *
  87          FROM photos
  88          WHERE id='". $idx ."'
  89       ");
  90
  91       return $this->db->db_fetch_object($result);
  92
  93    } // get_photo_details
  94
  95    public function translate_path($path, $width = 0)
  96    {
  97       return str_replace($this->cfg->path_replace_from, $this->cfg->path_replace_to, $path);
  98
  99    } // translate_path
 100
 101    public function showPhoto($photo)
 102    {
 103       $all_photos = $this->getPhotoSelection();
 104
 105       foreach($all_photos as $all_photo) {
 106
 107          if($get_next) {
 108             $next_img = $all_photo;
 109             break;
 110          }
 111
 112          if($all_photo == $photo) {
 113             $get_next = 1;
 114          }
 115          else {
 116             $previous_img = $all_photo;
 117          }
 118       }
 119
 120
 121       $details = $this->get_photo_details($photo);
 122       $meta = $this->get_meta_informations($this->translate_path($details['directory_path']) ."/". $details['name']);
 123       $info = getimagesize($this->translate_path($details['directory_path']) ."/thumbs/". $this->cfg->photo_width ."_". $details['name']);
 124
 125       $this->tmpl->assign('width', $info[0]);
 126       $this->tmpl->assign('height', $info[1]);
 127       $this->tmpl->assign('c_date', $meta['DateTime']);
 128       $this->tmpl->assign('madewith', $meta['Make'] ." ". $meta['Model']);
 129       $this->tmpl->assign('image_name', $details['name']);
 130       $this->tmpl->assign('image_url', 'phpfspot_img.php?idx='. $photo ."&amp;width=". $this->cfg->photo_width);
 131       $this->tmpl->assign('image_url_full', 'phpfspot_img.php?idx='. $photo);
 132
 133       if($previous_img) {
 134          $this->tmpl->assign('previous_url', "javascript:showImage(". $previous_img .");");
 135       }
 136
 137       if($next_img) {
 138          $this->tmpl->assign('next_url', "javascript:showImage(". $next_img .");");
 139       }
 140
 141       $this->tmpl->show("single_photo.tpl");
 142
 143    } // showPhoto()
 144
 145    public function getAvailableTags()
 146    {
 147       foreach($this->avail_tags as $tag)
 148       {
 149          if(isset($_SESSION['selected_tags']) && in_array($tag, $_SESSION['selected_tags']))
 150             continue;
 151
 152          // return all available (= not selected) tags
 153          print "<a href=\"javascript:Tags('add', ". $tag .");\" class=\"tag\">". $this->tags[$tag] ."</a>&nbsp;";
 154
 155       }
 156
 157    } // getAvailableTags()
 158
 159    public function getSelectedTags()
 160    {
 161       foreach($this->avail_tags as $tag)
 162       {
 163          // return all selected tags
 164          if(isset($_SESSION['selected_tags']) && in_array($tag, $_SESSION['selected_tags'])) {
 165             print "<a href=\"javascript:Tags('del', ". $tag .");\" class=\"tag\">". $this->tags[$tag] ."</a>&nbsp;";
 166          }
 167
 168       }
 169
 170    } // getSelectedTags()
 171
 172    public function addTag($tag)
 173    {
 174       if(!isset($_SESSION['selected_tags']))
 175          $_SESSION['selected_tags'] = Array();
 176
 177       array_push($_SESSION['selected_tags'], $tag);
 178
 179    } // addTag()
 180
 181    public function delTag($tag)
 182    {
 183       if(isset($_SESSION['selected_tags'])) {
 184          $key = array_search($tag, $_SESSION['selected_tags']);
 185          unset($_SESSION['selected_tags'][$key]);
 186          sort($_SESSION['selected_tags']);
 187       }
 188
 189    } // delTag()
 190
 191    public function resetTags()
 192    {
 193       unset($_SESSION['selected_tags']);
 194
 195    } // resetTags()
 196
 197    public function getPhotoSelection()
 198    {
 199       $tagged_photos = Array();
 200
 201       /* return a search result */
 202       if(isset($_SESSION['searchfor']) && $_SESSION['searchfor'] != '') {
 203          $result = $this->db->db_query("
 204             SELECT DISTINCT photo_id
 205                FROM photo_tags pt
 206             INNER JOIN photos p
 207                ON p.id=pt.photo_id
 208             INNER JOIN tags t
 209                ON pt.tag_id=t.id
 210             WHERE t.name LIKE '%". $_SESSION['searchfor'] ."%'
 211                ORDER BY p.time ASC
 212          ");
 213          while($row = $this->db->db_fetch_object($result)) {
 214             array_push($tagged_photos, $row['photo_id']);
 215          }
 216          return $tagged_photos;
 217       }
 218
 219       /* return according the selected tags */
 220       if(isset($_SESSION['selected_tags'])) {
 221          $selected = "";
 222          foreach($_SESSION['selected_tags'] as $tag)
 223             $selected.= $tag .",";
 224          $selected = substr($selected, 0, strlen($selected)-1);
 225
 226          if($_SESSION['tag_condition'] == 'or') {
 227             $result = $this->db->db_query("
 228                SELECT DISTINCT photo_id
 229                   FROM photo_tags pt
 230                INNER JOIN photos p
 231                   ON p.id=pt.photo_id
 232                WHERE pt.tag_id IN (". $selected .")
 233                ORDER BY p.time ASC
 234             ");
 235          }
 236          elseif($_SESSION['tag_condition'] == 'and') {
 237
 238             /* Join together a table looking like
 239
 240                pt1.photo_id pt1.tag_id pt2.photo_id pt2.tag_id ...
 241
 242                so the query can quickly return all images matching the
 243                selected tags in an AND condition
 244
 245             */
 246
 247             $query_str = "
 248                SELECT DISTINCT pt1.photo_id
 249                   FROM photo_tags pt1
 250             ";
 251
 252             for($i = 0; $i < count($_SESSION['selected_tags']); $i++) {
 253                $query_str.= "
 254                   INNER JOIN photo_tags pt". ($i+2) ."
 255                      ON pt1.photo_id=pt". ($i+2) .".photo_id
 256                ";
 257             }
 258             $query_str.= "WHERE pt1.tag_id=". $_SESSION['selected_tags'][0];
 259             for($i = 1; $i < count($_SESSION['selected_tags']); $i++) {
 260                $query_str.= "
 261                   AND pt". ($i+1) .".tag_id=". $_SESSION['selected_tags'][$i] ."
 262                ";
 263             }
 264             $result = $this->db->db_query($query_str);
 265          }
 266
 267          while($row = $this->db->db_fetch_object($result)) {
 268             array_push($tagged_photos, $row['photo_id']);
 269          }
 270          return $tagged_photos;
 271       }
 272
 273       /* return all available photos */
 274       $result = $this->db->db_query("
 275          SELECT DISTINCT photo_id
 276             FROM photo_tags pt
 277          INNER JOIN photos p
 278             ON p.id=pt.photo_id
 279          ORDER BY p.time ASC
 280       ");
 281       while($row = $this->db->db_fetch_object($result)) {
 282          array_push($tagged_photos, $row['photo_id']);
 283       }
 284       return $tagged_photos;
 285
 286    } // getPhotoSelection()
 287
 288    public function showPhotoIndex()
 289    {
 290       $photos = $this->getPhotoSelection();
 291
 292       $count = count($photos);
 293
 294       $rows = 0;
 295       $cols = 0;
 296       $images[$rows] = Array();
 297
 298       for($i = 0; $i < $count; $i++) {
 299
 300          $images[$rows][$cols] = $photos[$i];
 301
 302          if($cols == $this->cfg->thumbs_per_row-1) {
 303             $cols = 0;
 304             $rows++;
 305             $images[$rows] = Array();
 306          }
 307          else {
 308             $cols++;
 309          }
 310       }
 311
 312       // +1 for for smarty's selection iteration
 313       $rows++;
 314
 315       if(isset($_SESSION['searchfor']) && $_SESSION['searchfor'] != '')
 316          $this->tmpl->assign('searchfor', $_SESSION['searchfor']);
 317
 318       $this->tmpl->assign('count', $count);
 319       $this->tmpl->assign('width', $this->cfg->thumb_width);
 320       $this->tmpl->assign('images', $images);
 321       $this->tmpl->assign('rows', $rows);
 322       $this->tmpl->assign('columns', $this->cfg->thumbs_per_row);
 323       $this->tmpl->show("photo_index.tpl");
 324
 325
 326    } // showPhotoIndex()
 327
 328    public function showBubbleDetails($photo, $direction)
 329    {
 330       if($direction == "up")
 331          $direction = "bubbleimg_up";
 332       else
 333          $direction = "bubbleimg_down";
 334
 335       $details = $this->get_photo_details($photo);
 336
 337       $image_url = "phpfspot_img.php?idx=". $photo ."&amp;width=". $this->cfg->bubble_width;
 338
 339       $filesize = filesize($this->translate_path($details['directory_path'])  ."/". $details['name']);
 340       $filesize = rand($filesize/1024, 2);
 341
 342       $img = getimagesize($this->translate_path($details['directory_path'])  ."/". $details['name']);
 343
 344       $this->tmpl->assign('file_size', $filesize);
 345       $this->tmpl->assign('width', $img[0]);
 346       $this->tmpl->assign('height', $img[1]);
 347       $this->tmpl->assign('file_name', $details['name']);
 348       $this->tmpl->assign('image_id', $direction);
 349       $this->tmpl->assign('image_url', $image_url);
 350       $this->tmpl->show("bubble_details.tpl");
 351
 352    } // showBubbleDetails()
 353
 354    public function showCredits()
 355    {
 356       $this->tmpl->assign('version', $this->cfg->version);
 357       $this->tmpl->assign('product', $this->cfg->product);
 358       $this->tmpl->show("credits.tpl");
 359
 360    } // showCredits()
 361
 362    public function create_thumbnail($image, $width)
 363    {
 364       // if thumbnail already exists, don't recreate it
 365       if(file_exists(dirname($image) ."/thumbs/". $width ."_". basename($image)))
 366          return;
 367
 368       $meta = $this->get_meta_informations($image);
 369
 370       $rotate = 0;
 371       $flip = false;
 372
 373       switch($meta['Orientation']) {
 374
 375          case 1:
 376             $rotate = 0;
 377             $flip = false;
 378             break;
 379
 380          case 2:
 381             $rotate = 0;
 382             $flip = true;
 383             break;
 384
 385          case 3:
 386             $rotate = 180;
 387             $flip = false;
 388             break;
 389
 390          case 4:
 391             $rotate = 180;
 392             $flip = true;
 393             break;
 394
 395          case 5:
 396             $rotate = 90;
 397             $flip = true;
 398             break;
 399
 400          case 6:
 401             $rotate = 90;
 402             $flip = false;
 403             break;
 404
 405          case 7:
 406             $rotate = 270;
 407             $flip = true;
 408             break;
 409
 410          case 8:
 411             $rotate = 270;
 412             $flip = false;
 413             break;
 414       }
 415
 416       $src_img = @imagecreatefromjpeg($image);
 417
 418       if($src_img)
 419       {
 420          /* grabs the height and width */
 421          $new_w = imagesx($src_img);
 422          $new_h = imagesy($src_img);
 423
 424          // If requested width is more then the actual image width,
 425          // do not generate a thumbnail
 426
 427          if($width >= $new_w) {
 428             imagedestroy($src_img);
 429             return;
 430          }
 431
 432          /* calculates aspect ratio */
 433          $aspect_ratio = $new_h / $new_w;
 434
 435          /* sets new size */
 436          $new_w = $width;
 437          $new_h = abs($new_w * $aspect_ratio);
 438
 439          /* creates new image of that size */
 440          $dst_img = imagecreatetruecolor($new_w,$new_h);
 441
 442          imagefill($dst_img, 0, 0, ImageColorAllocate($dst_img, 255, 255, 255));
 443
 444          /* copies resized portion of original image into new image */
 445          imagecopyresampled($dst_img,$src_img,0,0,0,0,$new_w,$new_h,imagesx($src_img),imagesy($src_img));
 446
 447          /* needs the image to be flipped horizontal? */
 448          if($flip) {
 449             print "(FLIP)";
 450             $image = $dst_img;
 451             for($x = 0; $x < $new_w; $x++) {
 452                imagecopy($dst_img, $image, $x, 0, $w - $x - 1, 0, 1, $h);
 453             }
 454          }
 455
 456          if($rotate) {
 457             print "(ROTATE)";
 458             $dst_img = $this->rotateImage($dst_img, $rotate);
 459          }
 460
 461          /* write down new generated file */
 462
 463          if(!file_exists(dirname($image) ."/thumbs"))
 464             mkdir(dirname($image) ."/thumbs");
 465
 466          $newfile = dirname($image) ."/thumbs/". $width ."_". basename($image);
 467          imagejpeg($dst_img, $newfile, 75);
 468
 469          /* free your mind */
 470          imagedestroy($dst_img);
 471          imagedestroy($src_img);
 472       }
 473
 474    } // create_thumbnail()
 475
 476    public function get_meta_informations($file)
 477    {
 478       return exif_read_data($file);
 479
 480    } // get_meta_informations()
 481
 482    public function check_config_table()
 483    {
 484       // if the config table doesn't exist yet, create it
 485       if(!$this->cfg_db->db_check_table_exists("images")) {
 486          $this->cfg_db->db_exec("
 487             CREATE TABLE images (
 488                img_idx int primary key,
 489                img_md5 varchar(32)
 490             )
 491             ");
 492       }
 493
 494    } // check_config_table
 495
 496    public function gen_thumbs($idx = 0, $fromcmd = 0)
 497    {
 498       if(!$idx) {
 499          /* get all available photos */
 500          $all = $this->getPhotoSelection();
 501       }
 502       else
 503          $all = Array($idx);
 504
 505       foreach($all as $photo) {
 506
 507          $details = $this->get_photo_details($photo);
 508
 509          $full_path = $this->translate_path($details['directory_path'])  ."/". $details['name'];
 510          $file_md5 = md5_file($full_path);
 511
 512          if($fromcmd) print "Image ". $details['name'] ." Thumbnails:";
 513
 514          /* if the file hasn't changed there is no need to regen the thumb */
 515          if($file_md5 == $this->getMD5($photo)) {
 516             if($fromcmd) print " file has not changed - skipping\n";
 517             continue;
 518          }
 519
 520          /* set the new/changed MD5 sum for the current photo */
 521          $this->setMD5($photo, $file_md5);
 522
 523          $resolutions = Array(
 524                            $this->cfg->thumb_width,
 525                            $this->cfg->bubble_width,
 526                            $this->cfg->photo_width
 527                         );
 528
 529          /* create thumbnails for the requested resolutions */
 530          foreach($resolutions as $resolution) {
 531             if($fromcmd) print " ". $resolution ."px";
 532             $this->create_thumbnail($full_path, $resolution);
 533          }
 534
 535          if($fromcmd) print "\n";
 536
 537       }
 538
 539    } // gen_thumbs()
 540
 541    private function getMD5($idx)
 542    {
 543       $result = $this->cfg_db->db_query("
 544          SELECT img_md5
 545          FROM images
 546          WHERE img_idx='". $idx ."'
 547       ");
 548
 549       if(!$result)
 550          return 0;
 551
 552       $img = $this->cfg_db->db_fetch_object($result);
 553       return $img['img_md5'];
 554
 555    } // getMD5()
 556
 557    private function setMD5($idx, $md5)
 558    {
 559       $result = $this->cfg_db->db_exec("
 560          REPLACE INTO images (img_idx, img_md5)
 561          VALUES ('". $idx ."', '". $md5 ."')
 562       ");
 563
 564    } // setMD5()
 565
 566    public function setTagCondition($mode)
 567    {
 568       $_SESSION['tag_condition'] = $mode;
 569
 570    } // setTagCondition()
 571
 572    public function startSearch($searchfor)
 573    {
 574       $_SESSION['searchfor'] = $searchfor;
 575
 576    } // startSearch()
 577
 578    private function rotateImage($img, $degrees)
 579    {
 580       if(function_exists("imagerotate"))
 581          $img = imagerotate($img, $degrees, 0);
 582       else
 583       {
 584          function imagerotate($src_img, $angle)
 585          {
 586             $src_x = imagesx($src_img);
 587             $src_y = imagesy($src_img);
 588             if ($angle == 180) {
 589                $dest_x = $src_x;
 590                $dest_y = $src_y;
 591             }
 592             elseif ($src_x <= $src_y) {
 593                $dest_x = $src_y;
 594                $dest_y = $src_x;
 595             }
 596             elseif ($src_x >= $src_y) {
 597                $dest_x = $src_y;
 598                $dest_y = $src_x;
 599             }
 600
 601             $rotate=imagecreatetruecolor($dest_x,$dest_y);
 602             imagealphablending($rotate, false);
 603
 604             switch ($angle) {
 605
 606                case 90:
 607                   for ($y = 0; $y < ($src_y); $y++) {
 608                      for ($x = 0; $x < ($src_x); $x++) {
 609                         $color = imagecolorat($src_img, $x, $y);
 610                         imagesetpixel($rotate, $dest_x - $y - 1, $x, $color);
 611                      }
 612                   }
 613                   break;
 614
 615                case 270:
 616                   for ($y = 0; $y < ($src_y); $y++) {
 617                      for ($x = 0; $x < ($src_x); $x++) {
 618                         $color = imagecolorat($src_img, $x, $y);
 619                         imagesetpixel($rotate, $y, $dest_y - $x - 1, $color);
 620                      }
 621                   }
 622                   break;
 623
 624                case 180:
 625                   for ($y = 0; $y < ($src_y); $y++) {
 626                      for ($x = 0; $x < ($src_x); $x++) {
 627                         $color = imagecolorat($src_img, $x, $y);
 628                         imagesetpixel($rotate, $dest_x - $x - 1, $dest_y - $y - 1, $color);
 629                      }
 630                   }
 631                   break;
 632
 633                default: $rotate = $src_img;
 634             };
 635
 636             return $rotate;
 637
 638          }
 639
 640          $img = imagerotate($img, $degrees);
 641
 642       }
 643
 644       return $img;
 645
 646    } // rotateImage()
 647
 648 }
 649
 650 ?>