includes/media/Tiff.php

   1 <?php
   2 /**
   3  * Handler for Tiff images.
   4  *
   5  * @file
   6  * @ingroup Media
   7  */
   8
   9 /**
  10  * Handler for Tiff images.
  11  *
  12  * @ingroup Media
  13  */
  14 class TiffHandler extends JpegOrTiffHandler {
  15
  16         /**
  17          * Conversion to PNG for inline display can be disabled here...
  18          * Note scaling should work with ImageMagick, but may not with GD scaling.
  19          */
  20         function canRender( $file ) {
  21                 global $wgTiffThumbnailType;
  22                 return (bool)$wgTiffThumbnailType;
  23         }
  24
  25         /**
  26          * Browsers don't support TIFF inline generally...
  27          * For inline display, we need to convert to PNG.
  28          */
  29         function mustRender( $file ) {
  30                 return true;
  31         }
  32
  33         function getThumbType( $ext, $mime, $params = null ) {
  34                 global $wgTiffThumbnailType;
  35                 return $wgTiffThumbnailType;
  36         }
  37
  38         function getMetadata( $image, $filename ) {
  39                 global $wgShowEXIF;
  40                 if ( $wgShowEXIF && file_exists( $filename ) ) {
  41                         $exif = new Exif( $filename );
  42                         $data = $exif->getFilteredData();
  43                         if ( $data ) {
  44                                 $data['MEDIAWIKI_EXIF_VERSION'] = Exif::version();
  45                                 return serialize( $data );
  46                         } else {
  47                                 return JpegOrTiffHandler::BROKEN_FILE;
  48                         }
  49                 } else {
  50                         return '';
  51                 }
  52         }
  53 }