[Sommaire] [Imprimer]

   1  <?php
   2  /////////////////////////////////////////////////////////////////
   3  /// getID3() by James Heinrich <info@getid3.org>               //
   4  //  available at http://getid3.sourceforge.net                 //
   5  //            or http://www.getid3.org                         //
   6  /////////////////////////////////////////////////////////////////
   7  // See readme.txt for more details                             //
   8  /////////////////////////////////////////////////////////////////
   9  //                                                             //
  10  // module.graphic.svg.php                                      //
  11  // module for analyzing SVG Image files                        //
  12  // dependencies: NONE                                          //
  13  // author: Bryce Harrington <bryceØbryceharrington*org>        //
  14  //                                                            ///
  15  /////////////////////////////////////////////////////////////////
  16  
  17  
  18  class getid3_svg
  19  {
  20  
  21  
  22  	function getid3_svg(&$fd, &$ThisFileInfo) {
  23          fseek($fd, $ThisFileInfo['avdataoffset'], SEEK_SET);
  24  
  25          // I'm making this up, please modify as appropriate
  26          $SVGheader = fread($fd, 32);
  27          $ThisFileInfo['svg']['magic']  = substr($SVGheader, 0, 4);
  28          if ($ThisFileInfo['svg']['magic'] == 'aBcD') {
  29  
  30              $ThisFileInfo['fileformat']                  = 'svg';
  31              $ThisFileInfo['video']['dataformat']         = 'svg';
  32              $ThisFileInfo['video']['lossless']           = true;
  33              $ThisFileInfo['video']['bits_per_sample']    = 24;
  34              $ThisFileInfo['video']['pixel_aspect_ratio'] = (float) 1;
  35  
  36              $ThisFileInfo['svg']['width']  = getid3_lib::LittleEndian2Int(substr($fileData, 4, 4));
  37              $ThisFileInfo['svg']['height'] = getid3_lib::LittleEndian2Int(substr($fileData, 8, 4));
  38  
  39              $ThisFileInfo['video']['resolution_x'] = $ThisFileInfo['svg']['width'];
  40              $ThisFileInfo['video']['resolution_y'] = $ThisFileInfo['svg']['height'];
  41  
  42              return true;
  43          }
  44          $ThisFileInfo['error'][] = 'Did not find SVG magic bytes "aBcD" at '.$ThisFileInfo['avdataoffset'];
  45          unset($ThisFileInfo['fileformat']);
  46          return false;
  47      }
  48  
  49  }
  50  
  51  
  52  ?>