MediaWiki  master
TiffHandler.php
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1 <?php
33  private const EXPENSIVE_SIZE_LIMIT = 10485760;
34 
46  public function canRender( $file ) {
47  global $wgTiffThumbnailType;
48 
49  return (bool)$wgTiffThumbnailType
50  || $file->getRepo() instanceof ForeignAPIRepo;
51  }
52 
60  public function mustRender( $file ) {
61  return true;
62  }
63 
70  public function getThumbType( $ext, $mime, $params = null ) {
71  global $wgTiffThumbnailType;
72 
73  return $wgTiffThumbnailType;
74  }
75 
82  public function getMetadata( $image, $filename ) {
83  global $wgShowEXIF;
84 
85  if ( $wgShowEXIF ) {
86  try {
87  $meta = BitmapMetadataHandler::Tiff( $filename );
88  if ( !is_array( $meta ) ) {
89  // This should never happen, but doesn't hurt to be paranoid.
90  throw new MWException( 'Metadata array is not an array' );
91  }
92  $meta['MEDIAWIKI_EXIF_VERSION'] = Exif::version();
93 
94  return serialize( $meta );
95  } catch ( Exception $e ) {
96  // BitmapMetadataHandler throws an exception in certain exceptional
97  // cases like if file does not exist.
98  wfDebug( __METHOD__ . ': ' . $e->getMessage() );
99 
101  }
102  } else {
103  return '';
104  }
105  }
106 
107  public function isExpensiveToThumbnail( $file ) {
108  return $file->getSize() > static::EXPENSIVE_SIZE_LIMIT;
109  }
110 }
BitmapMetadataHandler\Tiff
static Tiff( $filename)
This doesn't do much yet, but eventually I plan to add XMP support for Tiff.
Definition: BitmapMetadataHandler.php:276
ExifBitmapHandler
Stuff specific to JPEG and (built-in) TIFF handler.
Definition: ExifBitmapHandler.php:31
TiffHandler\canRender
canRender( $file)
Conversion to PNG for inline display can be disabled here...
Definition: TiffHandler.php:46
$file
if(PHP_SAPI !='cli-server') if(!isset( $_SERVER['SCRIPT_FILENAME'])) $file
Item class for a filearchive table row.
Definition: router.php:42
serialize
serialize()
Definition: ApiMessageTrait.php:138
MWException
MediaWiki exception.
Definition: MWException.php:29
TiffHandler
Handler for Tiff images.
Definition: TiffHandler.php:29
TiffHandler\isExpensiveToThumbnail
isExpensiveToThumbnail( $file)
True if creating thumbnails from the file is large or otherwise resource-intensive.
Definition: TiffHandler.php:107
Exif\version
static version()
#-
Definition: Exif.php:592
wfDebug
wfDebug( $text, $dest='all', array $context=[])
Sends a line to the debug log if enabled or, optionally, to a comment in output.
Definition: GlobalFunctions.php:913
TiffHandler\getMetadata
getMetadata( $image, $filename)
Definition: TiffHandler.php:82
TiffHandler\EXPENSIVE_SIZE_LIMIT
const EXPENSIVE_SIZE_LIMIT
TIFF files over 10M are considered expensive to thumbnail.
Definition: TiffHandler.php:33
$wgTiffThumbnailType
$wgTiffThumbnailType
Browsers don't support TIFF inline generally...
Definition: DefaultSettings.php:1358
TiffHandler\mustRender
mustRender( $file)
Browsers don't support TIFF inline generally...
Definition: TiffHandler.php:60
ForeignAPIRepo
A foreign repository with a remote MediaWiki with an API thingy.
Definition: ForeignAPIRepo.php:41
$ext
if(!is_readable( $file)) $ext
Definition: router.php:48
ExifBitmapHandler\BROKEN_FILE
const BROKEN_FILE
Error extracting metadata.
Definition: ExifBitmapHandler.php:33
$mime
$mime
Definition: router.php:60
TiffHandler\getThumbType
getThumbType( $ext, $mime, $params=null)
Definition: TiffHandler.php:70
$wgShowEXIF
$wgShowEXIF
Show Exif data, on by default if available.
Definition: DefaultSettings.php:883