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 ExifBitmapHandler {
  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          * @param $file
  21          *
  22          * @return bool
  23          */
  24         function canRender( $file ) {
  25                 global $wgTiffThumbnailType;
  26                 return (bool)$wgTiffThumbnailType;
  27         }
  28
  29         /**
  30          * Browsers don't support TIFF inline generally...
  31          * For inline display, we need to convert to PNG.
  32          *
  33          * @param $file
  34          *
  35          * @return bool
  36          */
  37         function mustRender( $file ) {
  38                 return true;
  39         }
  40
  41         /**
  42          * @param $ext
  43          * @param $mime
  44          * @param $params
  45          * @return bool
  46          */
  47         function getThumbType( $ext, $mime, $params = null ) {
  48                 global $wgTiffThumbnailType;
  49                 return $wgTiffThumbnailType;
  50         }
  51
  52         /**
  53          * @param $image
  54          * @param $filename
  55          * @return string
  56          */
  57         function getMetadata( $image, $filename ) {
  58                 global $wgShowEXIF;
  59                 if ( $wgShowEXIF && file_exists( $filename ) ) {
  60                         $exif = new Exif( $filename );
  61                         $data = $exif->getFilteredData();
  62                         if ( $data ) {
  63                                 $data['MEDIAWIKI_EXIF_VERSION'] = Exif::version();
  64                                 return serialize( $data );
  65                         } else {
  66                                 return ExifBitmapHandler::BROKEN_FILE;
  67                         }
  68                 } else {
  69                         return '';
  70                 }
  71         }
  72 }