print_pdf/print_pdf.pages.inc

   1 <?php
   2
   3 /**
   4  * @file
   5  * Generates the PDF versions of the pages
   6  *
   7  * This file is included by the print_pdf module and includes the
   8  * functions that interface with the PDF generation packages.
   9  *
  10  * @ingroup print
  11  */
  12
  13 require_once(drupal_get_path('module', 'print') .'/print.pages.inc');
  14
  15 /**
  16  * Generate a PDF version of the printer-friendly page
  17  *
  18  * @see print_controller()
  19  * @see _print_pdf_dompdf()
  20  * @see _print_pdf_tcpdf()
  21  */
  22 function print_pdf_controller() {
  23   global $base_url;
  24
  25   // Disable caching for generated PDFs, as Drupal doesn't ouput the proper headers from the cache
  26   $GLOBALS['conf']['cache'] = FALSE;
  27
  28   $args = func_get_args();
  29   $path = implode('/', $args);
  30   $cid = isset($_GET['comment']) ? (int)$_GET['comment'] : NULL;
  31
  32   $print_pdf_pdf_tool = variable_get('print_pdf_pdf_tool', PRINT_PDF_PDF_TOOL_DEFAULT);
  33
  34   $print = print_controller($path, $cid, PRINT_PDF_FORMAT);
  35   if ($print === FALSE) {
  36     return;
  37   }
  38
  39   // Img elements must be set to absolute
  40   $pattern = '!<(img\s[^>]*?)>!is';
  41   $print['content'] = preg_replace_callback($pattern, '_print_rewrite_urls', $print['content']);
  42   $print['logo'] = preg_replace_callback($pattern, '_print_rewrite_urls', $print['logo']);
  43   $print['footer_message'] = preg_replace_callback($pattern, '_print_rewrite_urls', $print['footer_message']);
  44
  45   // Send to printer option causes problems with PDF
  46   $print['sendtoprinter'] = '';
  47
  48   $node = $print['node'];
  49   $html = theme('print_page', $print, PRINT_PDF_FORMAT, $node);
  50   $html = drupal_final_markup($html);
  51
  52   // Convert the a href elements, to make sure no relative links remain
  53   $pattern = '!<(a\s[^>]*?)>!is';
  54   $html = preg_replace_callback($pattern, '_print_rewrite_urls', $html);
  55   // And make anchor links relative again, to permit in-PDF navigation
  56   $html = preg_replace("!${base_url}/". PRINTPDF_PATH ."/.*?%2523!", '#', $html);
  57
  58   $pdf_filename = variable_get('print_pdf_filename', PRINT_PDF_FILENAME_DEFAULT);
  59   if (function_exists('token_replace') && !empty($pdf_filename)) {
  60     $pdf_filename = token_replace($pdf_filename, 'node', $node) .'.pdf';
  61   }
  62   else {
  63     $pdf_filename = str_replace('/', '_', $path) .'.pdf';
  64   }
  65   if (function_exists('transliteration_clean_filename')) {
  66     $pdf_filename = transliteration_clean_filename($pdf_filename, language_default('language'));
  67   }
  68
  69   if (basename($print_pdf_pdf_tool) == 'dompdf_config.inc.php') {
  70     _print_pdf_dompdf($print, $html, $pdf_filename);
  71   }
  72   elseif (basename($print_pdf_pdf_tool) == 'tcpdf.php') {
  73     _print_pdf_tcpdf($print, $html, $pdf_filename);
  74   }
  75   elseif (substr(basename($print_pdf_pdf_tool, '.exe'), 0, 11) == 'wkhtmltopdf') {
  76     _print_pdf_wkhtmltopdf($print, $html, $pdf_filename);
  77   }
  78   else {
  79     return drupal_not_found();
  80   }
  81
  82   $nodepath = (isset($node->path)) ? drupal_get_normal_path($node->path) : 'node/'. $path;
  83   db_query("UPDATE {print_pdf_page_counter} SET totalcount = totalcount + 1, timestamp = %d WHERE path = '%s'", time(), $nodepath);
  84   // If we affected 0 rows, this is the first time viewing the node.
  85   if (!db_affected_rows()) {
  86     // We must create a new row to store counters for the new node.
  87     db_query("INSERT INTO {print_pdf_page_counter} (path, totalcount, timestamp) VALUES ('%s', 1, %d)", $nodepath, time());
  88   }
  89 }
  90
  91 /**
  92  * Convert image paths to the file:// protocol
  93  *
  94  * In some Drupal setups, the use of the 'private' filesystem or Apache's
  95  * configuration prevent access to the images of the page. This function
  96  * tries to circumnvent those problems by accessing files in the local
  97  * filesystem.
  98  *
  99  * @param $html
 100  *   contents of the post-processed template already with the node data
 101  * @see print_pdf_controller()
 102  */
 103 function _print_pdf_file_access_images($html) {
 104   global $base_url, $language;
 105
 106   // And converted from private to public paths
 107   switch (variable_get('language_negotiation', LANGUAGE_NEGOTIATION_NONE)) {
 108     case LANGUAGE_NEGOTIATION_PATH_DEFAULT:
 109     case LANGUAGE_NEGOTIATION_PATH:
 110       $lang = $language->language;
 111       break;
 112     default:
 113       $lang = '';
 114       break;
 115   }
 116   $file_downloads = variable_get('file_downloads', FILE_DOWNLOADS_PUBLIC);
 117   if ($file_downloads == FILE_DOWNLOADS_PRIVATE) {
 118     $pattern = "!(<img\s[^>]*?src\s*?=\s*?['\"]?)${base_url}/(?:(?:index.php)?\?q=)?(?:${lang}/)?system/files/([^>]*?>)!is";
 119     $replacement = '$1file://'. realpath(file_directory_path()) .'/$2';
 120     $html = preg_replace($pattern, $replacement, $html);
 121   }
 122   $pattern = "!(<img\s[^>]*?src\s*?=\s*?['\"]?)${base_url}/(?:(?:index.php)?\?q=)?(?:${lang}/)?([^>]*?>)!is";
 123   $replacement = '$1file://'. dirname($_SERVER['SCRIPT_FILENAME']) .'/$2';
 124   $html = preg_replace($pattern, $replacement, $html);
 125
 126   return $html;
 127 }
 128
 129 /**
 130  * Generate the PDF file using the dompdf library
 131  *
 132  * @param $print
 133  *   array containing the configured data
 134  * @param $html
 135  *   contents of the post-processed template already with the node data
 136  * @param $filename
 137  *   name of the PDF file to be generated
 138  * @see print_pdf_controller()
 139  */
 140 function _print_pdf_dompdf($print, $html, $filename) {
 141   $print_pdf_pdf_tool = variable_get('print_pdf_pdf_tool', PRINT_PDF_PDF_TOOL_DEFAULT);
 142   $print_pdf_paper_size = variable_get('print_pdf_paper_size', PRINT_PDF_PAPER_SIZE_DEFAULT);
 143   $print_pdf_page_orientation = variable_get('print_pdf_page_orientation', PRINT_PDF_PAGE_ORIENTATION_DEFAULT);
 144   $print_pdf_content_disposition = variable_get('print_pdf_content_disposition', PRINT_PDF_CONTENT_DISPOSITION_DEFAULT);
 145
 146   if (variable_get('print_pdf_autoconfig', PRINT_PDF_AUTOCONFIG_DEFAULT)) {
 147     define("DOMPDF_ENABLE_PHP", FALSE);
 148     define("DOMPDF_ENABLE_REMOTE", TRUE);
 149     define("DOMPDF_TEMP_DIR", file_directory_temp());
 150     define("DOMPDF_UNICODE_ENABLED", variable_get('print_pdf_dompdf_unicode', PRINT_PDF_DOMPDF_UNICODE_DEFAULT));
 151   }
 152
 153   require_once($print_pdf_pdf_tool);
 154   if (function_exists('spl_autoload_register')) {
 155     spl_autoload_register('DOMPDF_autoload');
 156   }
 157
 158   // Try to use local file access for image files
 159   $html = _print_pdf_file_access_images($html);
 160
 161   // dompdf seems to have problems with something in system.css so let's not use it
 162   $html = preg_replace('!<link.*?modules/system/system.css.*?/>!', '', $html);
 163
 164   $url_array  = parse_url($print['url']);
 165
 166   $protocol = $url_array['scheme'] .'://';
 167   $host = $url_array['host'];
 168   $path = dirname($url_array['path']) .'/';
 169
 170   $dompdf = new DOMPDF();
 171   $dompdf->set_base_path($path);
 172   $dompdf->set_host($host);
 173   $dompdf->set_paper(drupal_strtolower($print_pdf_paper_size), $print_pdf_page_orientation);
 174   $dompdf->set_protocol($protocol);
 175
 176 // dompdf can't handle footers cleanly, so disable the following
 177 //  $html = theme('print_pdf_dompdf_footer', $html);
 178
 179   // If dompdf Unicode support is disabled, try to convert to ISO-8859-1 and then to HTML entities
 180   if (!variable_get('print_pdf_dompdf_unicode', PRINT_PDF_DOMPDF_UNICODE_DEFAULT)) {
 181   // Convert the euro sign to an HTML entity
 182   $html = str_replace('€', '&#0128;', $html);
 183
 184   // Convert from UTF-8 to ISO 8859-1 and then to HTML entities
 185   if (function_exists('utf8_decode')) {
 186     $html = utf8_decode($html);
 187   }
 188 // iconv fails silently when it encounters something that it doesn't know, so don't use it
 189 //  else if (function_exists('iconv')) {
 190 //    $html = iconv('UTF-8', 'ISO-8859-1', $html);
 191 //  }
 192   elseif (function_exists('mb_convert_encoding')) {
 193     $html = mb_convert_encoding($html, 'ISO-8859-1', 'UTF-8');
 194   }
 195   elseif (function_exists('recode_string')) {
 196     $html = recode_string('UTF-8..ISO_8859-1', $html);
 197   }
 198   $html = htmlspecialchars_decode(htmlentities($html, ENT_NOQUOTES, 'ISO-8859-1'), ENT_NOQUOTES);
 199   }
 200
 201   //must get rid of tbody (dompdf goes into recursion)
 202   $html = preg_replace('!<tbody[^>]*?>|</tbody>!i', '', $html);
 203
 204   $dompdf->load_html($html);
 205
 206   $dompdf->render();
 207   $dompdf->stream($filename, array('Attachment' => ($print_pdf_content_disposition == 2)));
 208 }
 209
 210 /**
 211  * Generate the PDF file using the TCPDF library
 212  *
 213  * @param $print
 214  *   array containing the configured data
 215  * @param $html
 216  *   contents of the post-processed template already with the node data
 217  * @param $filename
 218  *   name of the PDF file to be generated
 219  * @see print_pdf_controller()
 220  */
 221 function _print_pdf_tcpdf($print, $html, $filename) {
 222   global $base_url, $language;
 223
 224   $print_pdf_pdf_tool = variable_get('print_pdf_pdf_tool', PRINT_PDF_PDF_TOOL_DEFAULT);
 225   $print_pdf_paper_size = variable_get('print_pdf_paper_size', PRINT_PDF_PAPER_SIZE_DEFAULT);
 226   $print_pdf_page_orientation = variable_get('print_pdf_page_orientation', PRINT_PDF_PAGE_ORIENTATION_DEFAULT);
 227   $print_pdf_content_disposition = variable_get('print_pdf_content_disposition', PRINT_PDF_CONTENT_DISPOSITION_DEFAULT);
 228
 229   $pdf_tool_path = realpath(dirname($print_pdf_pdf_tool));
 230
 231   if (variable_get('print_pdf_autoconfig', PRINT_PDF_AUTOCONFIG_DEFAULT)) {
 232     define('K_TCPDF_EXTERNAL_CONFIG', TRUE);
 233     define('K_PATH_MAIN', dirname($_SERVER['SCRIPT_FILENAME']));
 234     define('K_PATH_URL', $base_url);
 235     define('K_PATH_FONTS', $pdf_tool_path .'/fonts/');
 236     define('K_PATH_CACHE', $pdf_tool_path .'/cache/');
 237     define('K_PATH_IMAGES', '');
 238     define('K_BLANK_IMAGE', $pdf_tool_path .'/images/_blank.png');
 239     define('K_CELL_HEIGHT_RATIO', 1.25);
 240     define('K_SMALL_RATIO', 2/3);
 241   }
 242
 243   // Try to use local file access for image files
 244   $html = _print_pdf_file_access_images($html);
 245
 246   // Decode HTML entities in image filenames
 247   $pattern = "!<img\s[^>]*?src\s*?=\s*?['\"]?{$base_url}[^>]*?>!is";
 248   $html = preg_replace_callback($pattern, create_function('$matches', 'return html_entity_decode($matches[0], ENT_QUOTES);'), $html);
 249   // Remove queries from the image URL
 250   $pattern = "!(<img\s[^>]*?src\s*?=\s*?['\"]?{$base_url}[^>]*?)(?:%3F|\?)[\w=&]+([^>]*?>)!is";
 251   $html = preg_replace($pattern, '$1$2', $html);
 252
 253   require_once($print_pdf_pdf_tool);
 254   if (strpos(PDF_PRODUCER, 'PHP4') === FALSE) {
 255     require_once(drupal_get_path('module', 'print_pdf') .'/print_pdf.class.inc');
 256   }
 257   else {
 258     require_once(drupal_get_path('module', 'print_pdf') .'/print_pdf.class_php4.inc');
 259   }
 260
 261   $font = Array(
 262     check_plain(variable_get('print_pdf_font_family', PRINT_PDF_FONT_FAMILY_DEFAULT)),
 263     '',
 264     check_plain(variable_get('print_pdf_font_size', PRINT_PDF_FONT_SIZE_DEFAULT)),
 265   );
 266   $orientation = drupal_strtoupper($print_pdf_page_orientation[0]);
 267
 268   // create new PDF document
 269   $pdf = new PrintTCPDF($orientation , 'mm', $print_pdf_paper_size, TRUE);
 270
 271   // set document information
 272   $pdf->SetAuthor(strip_tags($print['submitted']));
 273   $pdf->SetCreator(variable_get('site_name', 'Drupal'));
 274   $pdf->SetTitle(html_entity_decode($print['title'], ENT_QUOTES, 'UTF-8'));
 275   $keys = implode(' ', explode("\n", trim(strip_tags($print['taxonomy']))));
 276   $pdf->SetKeywords($keys);
 277   $pdf->setPDFVersion('1.6');
 278   $pdf-setFontSubsetting(variable_get('print_pdf_tcpdf_subsetting',FALSE));
 279
 280   if ($language->direction == LANGUAGE_RTL) {
 281     $pdf->setRTL(TRUE);
 282   }
 283
 284   $pdf = theme('print_pdf_tcpdf_header', $pdf, $html, $font);
 285   $pdf = theme('print_pdf_tcpdf_footer', $pdf, $html, $font);
 286   $pdf = theme('print_pdf_tcpdf_page', $pdf);
 287
 288   //initialize document
 289   $pdf->AliasNbPages();
 290
 291   // add a page
 292   $pdf->AddPage();
 293
 294   $pdf = theme('print_pdf_tcpdf_content', $pdf, $html, $font);
 295
 296   // reset pointer to the last page
 297   $pdf->lastPage();
 298
 299   // try to recover from any warning/error
 300   ob_clean();
 301
 302   //Close and output PDF document
 303   $output_dest = ($print_pdf_content_disposition == 2) ? 'D' : 'I';
 304   $pdf->Output($filename, $output_dest);
 305 }
 306
 307 /**
 308  * Generate the PDF file using wkhtmltopdf
 309  *
 310  * @param $print
 311  *   array containing the configured data
 312  * @param $html
 313  *   contents of the post-processed template already with the node data
 314  * @param $filename
 315  *   name of the PDF file to be generated
 316  * @see print_pdf_controller()
 317  */
 318 function _print_pdf_wkhtmltopdf($print, $html, $filename) {
 319   $print_pdf_pdf_tool = variable_get('print_pdf_pdf_tool', PRINT_PDF_PDF_TOOL_DEFAULT);
 320   $print_pdf_paper_size = variable_get('print_pdf_paper_size', PRINT_PDF_PAPER_SIZE_DEFAULT);
 321   $print_pdf_page_orientation = variable_get('print_pdf_page_orientation', PRINT_PDF_PAGE_ORIENTATION_DEFAULT);
 322   $print_pdf_content_disposition = variable_get('print_pdf_content_disposition', PRINT_PDF_CONTENT_DISPOSITION_DEFAULT);
 323   $print_pdf_wkhtmltopdf_options = variable_get('print_pdf_wkhtmltopdf_options', PRINT_PDF_WKHTMLTOPDF_OPTIONS);
 324
 325   $dpi = 96;
 326
 327   if (function_exists('token_replace') && !empty($print_pdf_wkhtmltopdf_options)) {
 328     $print_pdf_wkhtmltopdf_options = token_replace($print_pdf_wkhtmltopdf_options, 'node', $print['node']);
 329   }
 330
 331   $version = _print_pdf_wkhtmltopdf_version();
 332
 333   // 0.10.0 beta2 identifies itself as 0.9.9
 334   if (version_compare($version, '0.9.9', '>=')) {
 335     $print_pdf_wkhtmltopdf_options = '--disable-local-file-access '. $print_pdf_wkhtmltopdf_options;
 336   }
 337   elseif (version_compare($version, '0.9.6', '>=')) {
 338     $print_pdf_wkhtmltopdf_options = '--disallow-local-file-access '. $print_pdf_wkhtmltopdf_options;
 339   }
 340   else {
 341     drupal_goto($print['url']);
 342     exit;
 343   }
 344
 345   $descriptor = array(0 => array('pipe', 'r'), 1 => array('pipe', 'w'), 2 => array('pipe', 'w'));
 346   $cmd = realpath($print_pdf_pdf_tool) ." --page-size $print_pdf_paper_size --orientation $print_pdf_page_orientation --dpi $dpi $print_pdf_wkhtmltopdf_options - -";
 347
 348   $process = proc_open($cmd, $descriptor, $pipes, NULL, NULL);
 349
 350   if (is_resource($process)) {
 351     fwrite($pipes[0], $html);
 352     fclose($pipes[0]);
 353
 354     $pdf = stream_get_contents($pipes[1]);
 355     fclose($pipes[1]);
 356
 357     stream_set_blocking($pipes[2], 0);
 358     $error = stream_get_contents($pipes[2]);
 359     if (!empty($error)) {
 360       watchdog('print_pdf', 'wkhtmltopdf: '. $error);
 361     }
 362     fclose($pipes[2]);
 363
 364     $retval = proc_terminate($process);
 365   }
 366
 367   if (!empty($pdf)) {
 368     if (headers_sent()) {
 369       die("Unable to stream pdf: headers already sent");
 370     }
 371     header("Cache-Control: private");
 372     header("Content-Type: application/pdf");
 373
 374     $attachment =  ($print_pdf_content_disposition == 2) ?  "attachment" :  "inline";
 375
 376     header("Content-Disposition: $attachment; filename=\"$filename\"");
 377
 378     echo $pdf;
 379     flush();
 380   }
 381   else {
 382     drupal_goto($print['url']);
 383     exit;
 384   }
 385 }
 386
 387 /**
 388  * Format the dompdf footer contents
 389  *
 390  * @param $html
 391  *   contents of the body of the HTML from the original node
 392  * @see theme_print_pdf_tcpdf_footer()
 393  */
 394 function theme_print_pdf_dompdf_footer($html) {
 395   preg_match('!<div class="print-footer">(.*?)</div>!si', $html, $tpl_footer);
 396   $html = str_replace($tpl_footer[0], '', $html);
 397
 398   $text = '<script type="text/php">
 399     if (isset($pdf)) {
 400       $font = Font_Metrics::get_font("verdana");;
 401       $size = 10;
 402       $color = array(0,0,0);
 403       $text_height = Font_Metrics::get_font_height($font, $size);
 404
 405       $w = $pdf->get_width();
 406       $h = $pdf->get_height();
 407
 408       $footer = $pdf->open_object();
 409
 410       // Draw a line along the bottom
 411       $y = $h - 25;
 412       $pdf->line(15, $y, $w - 15, $y, $color, 1);
 413
 414       $y += $text_height / 2;
 415       $pdf->page_text(15, $y, \''. addslashes(strip_tags($tpl_footer[1])) .'\', $font, $size, $color);
 416
 417       $pdf->close_object();
 418       $pdf->add_object($footer, "all");
 419
 420       // Center the text
 421       $width = Font_Metrics::get_text_width("Page 1 of 2", $font, $size);
 422       $pagenumtxt = t("Page !n of !total", array("!n" => "{PAGE_NUM}", "!total" => "{PAGE_COUNT}"));
 423       $pdf->page_text($w - 15 - $width, $y, $pagenumtxt, $font, $size, $color);
 424     }
 425   </script>';
 426
 427   return str_replace("<body>", "<body>" . $text, $html);
 428 }
 429
 430 /**
 431  * Format the TCPDF header
 432  *
 433  * @param $pdf
 434  *   current TCPDF object
 435  * @param $html
 436  *   contents of the body of the HTML from the original node
 437  * @param $font
 438  *   array with the font definition (font name, styles and size)
 439  * @see theme_print_pdf_tcpdf_header()
 440  */
 441 function theme_print_pdf_tcpdf_header($pdf, $html, $font) {
 442   preg_match('!<div class="print-logo">(.*?)</div>!si', $html, $tpl_logo);
 443   preg_match('!<h1 class="print-title">(.*?)</h1>!si', $html, $tpl_title);
 444   preg_match('!<div class="print-site_name">(.*?)</div>!si', $html, $tpl_site_name);
 445
 446   $ratio = 0;
 447   $logo = '';
 448   $logo_ret = preg_match('!src\s*=\s*(\'.*?\'|".*?"|[^\s]*)!i', $tpl_logo[1], $matches);
 449   if ($logo_ret) {
 450     $logo = trim($matches[1], '\'"');
 451     $size = getimagesize($logo);
 452     $ratio = $size ? ($size[0] / $size[1]) : 0;
 453   }
 454
 455   // set header font
 456   $pdf->setHeaderFont($font);
 457   // set header margin
 458   $pdf->SetHeaderMargin(5);
 459   // set header data
 460   $pdf->SetHeaderData($logo, 10 * $ratio, html_entity_decode($tpl_title[1], ENT_QUOTES, 'UTF-8'), strip_tags($tpl_site_name[1]));
 461
 462   return $pdf;
 463 }
 464
 465 /**
 466  * Format the TCPDF page settings (margins, etc)
 467  *
 468  * @param $pdf
 469  *   current TCPDF object
 470  * @see theme_print_pdf_tcpdf_page()
 471  */
 472 function theme_print_pdf_tcpdf_page($pdf) {
 473   // set margins
 474   $pdf->SetMargins(15, 20, 15);
 475   // set auto page breaks
 476   $pdf->SetAutoPageBreak(TRUE, 15);
 477   // set image scale factor
 478   sscanf(PDF_PRODUCER, "TCPDF %d.%d.%d", $major, $minor, $build);
 479   $imagescale = (($major >= 4) && ($minor >= 6) && ($build >= 2)) ? 1 : 4;
 480   $pdf->setImageScale($imagescale);
 481   // set image compression quality
 482   $pdf->setJPEGQuality(100);
 483
 484   return $pdf;
 485 }
 486
 487 /**
 488  * Format the TCPDF page content
 489  *
 490  * @param $pdf
 491  *   current TCPDF object
 492  * @param $html
 493  *   contents of the body of the HTML from the original node
 494  * @param $font
 495  *   array with the font definition (font name, styles and size)
 496  * @see theme_print_pdf_tcpdf_content()
 497  */
 498 function theme_print_pdf_tcpdf_content($pdf, $html, $font) {
 499   // set content font
 500   $pdf->setFont($font[0], $font[1], $font[2]);
 501
 502   preg_match('!<body.*?>(.*)</body>!sim', $html, $matches);
 503   $pattern = '!(?:<div class="print-(?:logo|site_name|breadcrumb|footer)">.*?</div>|<hr class="print-hr" />)!si';
 504   $matches[1] = preg_replace($pattern, '', $matches[1]);
 505
 506   // Make CCK fields look better
 507   $matches[1] = preg_replace('!(<div class="field.*?>)\s*!sm', '$1', $matches[1]);
 508   $matches[1] = preg_replace('!(<div class="field.*?>.*?</div>)\s*!sm', '$1', $matches[1]);
 509   $matches[1] = preg_replace('!<div( class="field-label.*?>.*?)</div>!sm', '<strong$1</strong>', $matches[1]);
 510
 511   // Since TCPDF's writeHTML is so bad with <p>, do everything possible to make it look nice
 512   $matches[1] = preg_replace('!<(?:p(|\s+.*?)/?|/p)>!i', '<br$1 />', $matches[1]);
 513   $matches[1] = str_replace(array('<div', 'div>'), array('<span', 'span><br />'), $matches[1]);
 514   do {
 515     $prev = $matches[1];
 516     $matches[1] = preg_replace('!(</span>)<br />(\s*?</span><br />)!s', '$1$2', $matches[1]);
 517   } while ($prev != $matches[1]);
 518
 519   @$pdf->writeHTML($matches[1]);
 520
 521   return $pdf;
 522 }
 523
 524 /**
 525  * Format the TCPDF footer contents
 526  *
 527  * @param $pdf
 528  *   current TCPDF object
 529  * @param $html
 530  *   contents of the body of the HTML from the original node
 531  * @param $font
 532  *   array with the font definition (font name, styles and size)
 533  * @see theme_print_pdf_tcpdf_footer()
 534  */
 535 function theme_print_pdf_tcpdf_footer($pdf, $html, $font) {
 536   preg_match('!<div class="print-footer">(.*?)</div>!si', $html, $tpl_footer);
 537   $footer = trim(preg_replace('!</?div[^>]*?>!i', '', $tpl_footer[1]));
 538
 539   // set footer font
 540   $font[2] *= 0.8;
 541   $pdf->setFooterFont($font);
 542   // set footer margin
 543   $pdf->SetFooterMargin(10);
 544   // set footer data
 545   $pdf->SetFooterData($footer);
 546
 547   return $pdf;
 548 }
 549
 550 /**
 551  * Format the TCPDF footer layout
 552  *
 553  * @param $pdf
 554  *   current TCPDF object
 555  * @see theme_print_pdf_tcpdf_footer2()
 556  */
 557 function theme_print_pdf_tcpdf_footer2($pdf) {
 558   //Position at 1.5 cm from bottom
 559   $pdf->writeHTMLCell(0, 15, 15, -10, $pdf->footer, 0, 0, 0, TRUE, '');
 560
 561   $ormargins = $pdf->getOriginalMargins();
 562   $pagenumtxt = t('Page !n of !total', array('!n' => $pdf->PageNo(), '!total' => $pdf->getAliasNbPages()));
 563   //Print page number
 564   if ($pdf->getRTL()) {
 565     $pdf->SetX($ormargins['right']);
 566     $pdf->Cell(0, 10, $pagenumtxt, 'T', 0, 'L');
 567   }
 568   else {
 569     $pdf->SetX($ormargins['left']);
 570     $pdf->Cell(0, 10, $pagenumtxt, 'T', 0, 'R');
 571   }
 572
 573   return $pdf;
 574 }