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 .");\">". $this->tags[$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 .");\">". $this->tags[$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'][$key]);
 186       }
 187
 188    } // delTag()
 189
 190    public function resetTags()
 191    {
 192       unset($_SESSION['selected_tags']);
 193
 194    } // resetTags()
 195
 196    public function getPhotoSelection()
 197    {
 198       $tagged_photos = Array();
 199
 200       /* return a search result */
 201       if(isset($_SESSION['searchfor']) && $_SESSION['searchfor'] != '') {
 202          $result = $this->db->db_query("
 203             SELECT DISTINCT photo_id
 204                FROM photo_tags pt
 205             INNER JOIN photos p
 206                ON p.id=pt.photo_id
 207             INNER JOIN tags t
 208                ON pt.tag_id=t.id
 209             WHERE t.name LIKE '%". $_SESSION['searchfor'] ."%'
 210                ORDER BY p.time ASC
 211          ");
 212          while($row = $this->db->db_fetch_object($result)) {
 213             array_push($tagged_photos, $row['photo_id']);
 214          }
 215          return $tagged_photos;
 216       }
 217
 218       /* return according the selected tags */
 219       if(isset($_SESSION['selected_tags'])) {
 220          $selected = "";
 221          foreach($_SESSION['selected_tags'] as $tag)
 222             $selected.= $tag .",";
 223          $selected = substr($selected, 0, strlen($selected)-1);
 224
 225          if($_SESSION['tag_condition'] == 'or') {
 226             $result = $this->db->db_query("
 227                SELECT DISTINCT photo_id
 228                   FROM photo_tags pt
 229                INNER JOIN photos p
 230                   ON p.id=pt.photo_id
 231                WHERE pt.tag_id IN (". $selected .")
 232                ORDER BY p.time ASC
 233             ");
 234             while($row = $this->db->db_fetch_object($result)) {
 235                array_push($tagged_photos, $row['photo_id']);
 236             }
 237          }
 238          elseif($_SESSION['tag_condition'] == 'and') {
 239             $result = $this->db->db_query("
 240                SELECT DISTINCT photo_id, tag_id
 241                   FROM photo_tags pt
 242                INNER JOIN photos p
 243                   on p.id=pt.photo_id
 244                WHERE pt.tag_id IN (". $selected .")
 245                ORDER BY p.time ASC
 246             ");
 247
 248             /* now we need to check if each object fulfills the condition
 249                and has all the selected tags assigned
 250             */
 251             $match_object = Array();
 252             $matches_needed = count($_SESSION['selected_tags']);
 253             while($row = $this->db->db_fetch_object($result)) {
 254                /* set the counter for this object */
 255                if(!isset($match_object[$row['photo_id']]))
 256                   $match_object[$row['photo_id']] = $matches_needed;
 257
 258                /* we have a match? decrement the counter */
 259                if(in_array($row['tag_id'], $_SESSION['selected_tags']))
 260                   $match_object[$row['photo_id']]--;
 261
 262                /* if the object has all necessary tags, add it to the result */
 263                if($match_object[$row['photo_id']] == 0)
 264                   array_push($tagged_photos, $row['photo_id']);
 265             }
 266          }
 267          return $tagged_photos;
 268       }
 269
 270       /* return all available photos */
 271       $result = $this->db->db_query("
 272          SELECT DISTINCT photo_id
 273             FROM photo_tags pt
 274          INNER JOIN photos p
 275             ON p.id=pt.photo_id
 276          ORDER BY p.time ASC
 277       ");
 278       while($row = $this->db->db_fetch_object($result)) {
 279          array_push($tagged_photos, $row['photo_id']);
 280       }
 281       return $tagged_photos;
 282
 283    } // getPhotoSelection()
 284
 285    public function showPhotoIndex()
 286    {
 287       $photos = $this->getPhotoSelection();
 288
 289       $count = count($photos);
 290
 291       $rows = 0;
 292       $cols = 0;
 293       $images[$rows] = Array();
 294
 295       for($i = 0; $i < $count; $i++) {
 296
 297          $images[$rows][$cols] = $photos[$i];
 298
 299          if($cols == $this->cfg->thumbs_per_row-1) {
 300             $cols = 0;
 301             $rows++;
 302             $images[$rows] = Array();
 303          }
 304          else {
 305             $cols++;
 306          }
 307       }
 308
 309       // +1 for for smarty's selection iteration
 310       $rows++;
 311
 312       if(isset($_SESSION['searchfor']) && $_SESSION['searchfor'] != '')
 313          $this->tmpl->assign('searchfor', $_SESSION['searchfor']);
 314
 315       $this->tmpl->assign('count', $count);
 316       $this->tmpl->assign('width', $this->cfg->thumb_width);
 317       $this->tmpl->assign('images', $images);
 318       $this->tmpl->assign('rows', $rows);
 319       $this->tmpl->assign('columns', $this->cfg->thumbs_per_row);
 320       $this->tmpl->show("photo_index.tpl");
 321
 322
 323    } // showPhotoIndex()
 324
 325    public function showBubbleDetails($photo, $direction)
 326    {
 327       if($direction == "up")
 328          $direction = "bubbleimg_up";
 329       else
 330          $direction = "bubbleimg_down";
 331
 332       $details = $this->get_photo_details($photo);
 333
 334       $image_url = "phpfspot_img.php?idx=". $photo ."&amp;width=". $this->cfg->bubble_width;
 335
 336       $filesize = filesize($this->translate_path($details['directory_path'])  ."/". $details['name']);
 337       $filesize = rand($filesize/1024, 2);
 338
 339       $img = getimagesize($this->translate_path($details['directory_path'])  ."/". $details['name']);
 340
 341       $this->tmpl->assign('file_size', $filesize);
 342       $this->tmpl->assign('width', $img[0]);
 343       $this->tmpl->assign('height', $img[1]);
 344       $this->tmpl->assign('file_name', $details['name']);
 345       $this->tmpl->assign('image_id', $direction);
 346       $this->tmpl->assign('image_url', $image_url);
 347       $this->tmpl->show("bubble_details.tpl");
 348
 349    } // showBubbleDetails()
 350
 351    public function showCredits()
 352    {
 353       $this->tmpl->assign('version', $this->cfg->version);
 354       $this->tmpl->assign('product', $this->cfg->product);
 355       $this->tmpl->show("credits.tpl");
 356
 357    } // showCredits()
 358
 359    public function create_thumbnail($image, $width)
 360    {
 361       // if thumbnail already exists, don't recreate it
 362       if(file_exists(dirname($image) ."/thumbs/". $width ."_". basename($image)))
 363          return;
 364
 365       $meta = $this->get_meta_informations($image);
 366
 367       $rotate = 0;
 368       $flip = false;
 369
 370       switch($meta['Orientation']) {
 371
 372          case 1:
 373             $rotate = 0;
 374             $flip = false;
 375             break;
 376
 377          case 2:
 378             $rotate = 0;
 379             $flip = true;
 380             break;
 381
 382          case 3:
 383             $rotate = 180;
 384             $flip = false;
 385             break;
 386
 387          case 4:
 388             $rotate = 180;
 389             $flip = true;
 390             break;
 391
 392          case 5:
 393             $rotate = 90;
 394             $flip = true;
 395             break;
 396
 397          case 6:
 398             $rotate = 90;
 399             $flip = false;
 400             break;
 401
 402          case 7:
 403             $rotate = 270;
 404             $flip = true;
 405             break;
 406
 407          case 8:
 408             $rotate = 270;
 409             $flip = false;
 410             break;
 411       }
 412
 413       $src_img = @imagecreatefromjpeg($image);
 414
 415       if($src_img)
 416       {
 417          /* grabs the height and width */
 418          $new_w = imagesx($src_img);
 419          $new_h = imagesy($src_img);
 420
 421          // If requested width is more then the actual image width,
 422          // do not generate a thumbnail
 423
 424          if($width >= $new_w) {
 425             imagedestroy($src_img);
 426             return;
 427          }
 428
 429          /* calculates aspect ratio */
 430          $aspect_ratio = $new_h / $new_w;
 431
 432          /* sets new size */
 433          $new_w = $width;
 434          $new_h = abs($new_w * $aspect_ratio);
 435
 436          /* creates new image of that size */
 437          $dst_img = imagecreatetruecolor($new_w,$new_h);
 438
 439          imagefill($dst_img, 0, 0, ImageColorAllocate($dst_img, 255, 255, 255));
 440
 441          /* copies resized portion of original image into new image */
 442          imagecopyresampled($dst_img,$src_img,0,0,0,0,$new_w,$new_h,imagesx($src_img),imagesy($src_img));
 443
 444          /* needs the image to be flipped horizontal? */
 445          if($flip) {
 446             print "(FLIP)";
 447             $image = $dst_img;
 448             for($x = 0; $x < $new_w; $x++) {
 449                imagecopy($dst_img, $image, $x, 0, $w - $x - 1, 0, 1, $h);
 450             }
 451          }
 452
 453          if($rotate) {
 454             print "(ROTATE)";
 455             $dst_img = $this->rotateImage($dst_img, $rotate);
 456          }
 457
 458          /* write down new generated file */
 459
 460          if(!file_exists(dirname($image) ."/thumbs"))
 461             mkdir(dirname($image) ."/thumbs");
 462
 463          $newfile = dirname($image) ."/thumbs/". $width ."_". basename($image);
 464          imagejpeg($dst_img, $newfile, 75);
 465
 466          /* free your mind */
 467          imagedestroy($dst_img);
 468          imagedestroy($src_img);
 469       }
 470
 471    } // create_thumbnail()
 472
 473    public function get_meta_informations($file)
 474    {
 475       return exif_read_data($file);
 476
 477    } // get_meta_informations()
 478
 479    public function check_config_table()
 480    {
 481       // if the config table doesn't exist yet, create it
 482       if(!$this->cfg_db->db_check_table_exists("images")) {
 483          $this->cfg_db->db_exec("
 484             CREATE TABLE images (
 485                img_idx int primary key,
 486                img_md5 varchar(32)
 487             )
 488             ");
 489       }
 490
 491    } // check_config_table
 492
 493    public function gen_thumbs($idx = 0, $fromcmd = 0)
 494    {
 495       if(!$idx) {
 496          /* get all available photos */
 497          $all = $this->getPhotoSelection();
 498       }
 499       else
 500          $all = Array($idx);
 501
 502       foreach($all as $photo) {
 503
 504          $details = $this->get_photo_details($photo);
 505
 506          $full_path = $this->translate_path($details['directory_path'])  ."/". $details['name'];
 507          $file_md5 = md5_file($full_path);
 508
 509          if($fromcmd) print "Image ". $details['name'] ." Thumbnails:";
 510
 511          /* if the file hasn't changed there is no need to regen the thumb */
 512          if($file_md5 == $this->getMD5($photo)) {
 513             if($fromcmd) print " file has not changed - skipping\n";
 514             continue;
 515          }
 516
 517          /* set the new/changed MD5 sum for the current photo */
 518          $this->setMD5($photo, $file_md5);
 519
 520          $resolutions = Array(
 521                            $this->cfg->thumb_width,
 522                            $this->cfg->bubble_width,
 523                            $this->cfg->photo_width
 524                         );
 525
 526          /* create thumbnails for the requested resolutions */
 527          foreach($resolutions as $resolution) {
 528             if($fromcmd) print " ". $resolution ."px";
 529             $this->create_thumbnail($full_path, $resolution);
 530          }
 531
 532          if($fromcmd) print "\n";
 533
 534       }
 535
 536    } // gen_thumbs()
 537
 538    private function getMD5($idx)
 539    {
 540       $result = $this->cfg_db->db_query("
 541          SELECT img_md5
 542          FROM images
 543          WHERE img_idx='". $idx ."'
 544       ");
 545
 546       if(!$result)
 547          return 0;
 548
 549       $img = $this->cfg_db->db_fetch_object($result);
 550       return $img['img_md5'];
 551
 552    } // getMD5()
 553
 554    private function setMD5($idx, $md5)
 555    {
 556       $result = $this->cfg_db->db_exec("
 557          REPLACE INTO images (img_idx, img_md5)
 558          VALUES ('". $idx ."', '". $md5 ."')
 559       ");
 560
 561    } // setMD5()
 562
 563    public function setTagCondition($mode)
 564    {
 565       $_SESSION['tag_condition'] = $mode;
 566
 567    } // setTagCondition()
 568
 569    public function startSearch($searchfor)
 570    {
 571       $_SESSION['searchfor'] = $searchfor;
 572
 573    } // startSearch()
 574
 575    private function rotateImage($img, $degrees)
 576    {
 577       if(function_exists("imagerotate"))
 578          $img = imagerotate($img, $degrees, 0);
 579       else
 580       {
 581          function imagerotate($src_img, $angle)
 582          {
 583             $src_x = imagesx($src_img);
 584             $src_y = imagesy($src_img);
 585             if ($angle == 180) {
 586                $dest_x = $src_x;
 587                $dest_y = $src_y;
 588             }
 589             elseif ($src_x <= $src_y) {
 590                $dest_x = $src_y;
 591                $dest_y = $src_x;
 592             }
 593             elseif ($src_x >= $src_y) {
 594                $dest_x = $src_y;
 595                $dest_y = $src_x;
 596             }
 597
 598             $rotate=imagecreatetruecolor($dest_x,$dest_y);
 599             imagealphablending($rotate, false);
 600
 601             switch ($angle) {
 602
 603                case 90:
 604                   for ($y = 0; $y < ($src_y); $y++) {
 605                      for ($x = 0; $x < ($src_x); $x++) {
 606                         $color = imagecolorat($src_img, $x, $y);
 607                         imagesetpixel($rotate, $dest_x - $y - 1, $x, $color);
 608                      }
 609                   }
 610                   break;
 611
 612                case 270:
 613                   for ($y = 0; $y < ($src_y); $y++) {
 614                      for ($x = 0; $x < ($src_x); $x++) {
 615                         $color = imagecolorat($src_img, $x, $y);
 616                         imagesetpixel($rotate, $y, $dest_y - $x - 1, $color);
 617                      }
 618                   }
 619                   break;
 620
 621                case 180:
 622                   for ($y = 0; $y < ($src_y); $y++) {
 623                      for ($x = 0; $x < ($src_x); $x++) {
 624                         $color = imagecolorat($src_img, $x, $y);
 625                         imagesetpixel($rotate, $dest_x - $x - 1, $dest_y - $y - 1, $color);
 626                      }
 627                   }
 628                   break;
 629
 630                default: $rotate = $src_img;
 631             };
 632
 633             return $rotate;
 634
 635          }
 636
 637          $img = imagerotate($img, $degrees);
 638
 639       }
 640
 641       return $img;
 642
 643    } // rotateImage()
 644
 645 }
 646
 647 ?>