9bf3916322
This will make jumping from file to file much easier in text editors when file name lookups will autocomplete naturally when looking for a class by name. Change-Id: I4b2e55a2e72674b619d5a592866c8a019a2b0224
107 lines
2.9 KiB
PHP
107 lines
2.9 KiB
PHP
<?php
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/**
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* Handler for Tiff images.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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* http://www.gnu.org/copyleft/gpl.html
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*
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* @file
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* @ingroup Media
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*/
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/**
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* Handler for Tiff images.
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*
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* @ingroup Media
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*/
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class TiffHandler extends ExifBitmapHandler {
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const EXPENSIVE_SIZE_LIMIT = 10485760; // TIFF files over 10M are considered expensive to thumbnail
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/**
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* Conversion to PNG for inline display can be disabled here...
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* Note scaling should work with ImageMagick, but may not with GD scaling.
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*
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* Files pulled from an another MediaWiki instance via ForeignAPIRepo /
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* InstantCommons will have thumbnails managed from the remote instance,
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* so we can skip this check.
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*
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* @param File $file
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* @return bool
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*/
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public function canRender( $file ) {
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global $wgTiffThumbnailType;
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return (bool)$wgTiffThumbnailType
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|| $file->getRepo() instanceof ForeignAPIRepo;
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}
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/**
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* Browsers don't support TIFF inline generally...
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* For inline display, we need to convert to PNG.
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*
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* @param File $file
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* @return bool
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*/
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public function mustRender( $file ) {
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return true;
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}
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/**
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* @param string $ext
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* @param string $mime
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* @param array $params
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* @return bool
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*/
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function getThumbType( $ext, $mime, $params = null ) {
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global $wgTiffThumbnailType;
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return $wgTiffThumbnailType;
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}
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/**
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* @param File|FSFile $image
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* @param string $filename
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* @throws MWException
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* @return string
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*/
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function getMetadata( $image, $filename ) {
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global $wgShowEXIF;
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if ( $wgShowEXIF ) {
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try {
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$meta = BitmapMetadataHandler::Tiff( $filename );
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if ( !is_array( $meta ) ) {
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// This should never happen, but doesn't hurt to be paranoid.
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throw new MWException( 'Metadata array is not an array' );
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}
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$meta['MEDIAWIKI_EXIF_VERSION'] = Exif::version();
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return serialize( $meta );
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} catch ( Exception $e ) {
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// BitmapMetadataHandler throws an exception in certain exceptional
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// cases like if file does not exist.
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wfDebug( __METHOD__ . ': ' . $e->getMessage() . "\n" );
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return ExifBitmapHandler::BROKEN_FILE;
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}
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} else {
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return '';
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}
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}
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public function isExpensiveToThumbnail( $file ) {
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return $file->getSize() > static::EXPENSIVE_SIZE_LIMIT;
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}
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}
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