| Index: trunk/extensions/PdfHandler/PdfHandler.php |
| — | — | @@ -32,7 +32,7 @@ |
| 33 | 33 | $wgExtensionCredits['media'][] = array( |
| 34 | 34 | 'path' => __FILE__, |
| 35 | 35 | 'name' => 'PDF Handler', |
| 36 | | - 'author' => 'Martin Seidel', |
| | 36 | + 'author' => array( 'Martin Seidel', 'Mike Połtyn'), |
| 37 | 37 | 'descriptionmsg' => 'pdf-desc', |
| 38 | 38 | 'url' => 'http://www.mediawiki.org/wiki/Extension:PdfHandler', |
| 39 | 39 | ); |
| — | — | @@ -46,6 +46,11 @@ |
| 47 | 47 | $wgPdfOutputExtension = 'jpg'; |
| 48 | 48 | $wgPdfHandlerDpi = 150; |
| 49 | 49 | |
| | 50 | +// This setting, if enabled, will put creating thumbnails into a job queue, |
| | 51 | +// so they do not have to be created on-the-fly, |
| | 52 | +// but rather inconspicuously during normal wiki browsing |
| | 53 | +$wgPdfCreateThumbnailsInJobQueue = false; |
| | 54 | + |
| 50 | 55 | // To upload new PDF files you'll need to do this too: |
| 51 | 56 | // $wgFileExtensions[] = 'pdf'; |
| 52 | 57 | |
| — | — | @@ -53,4 +58,7 @@ |
| 54 | 59 | $wgExtensionMessagesFiles['PdfHandler'] = $dir . 'PdfHandler.i18n.php'; |
| 55 | 60 | $wgAutoloadClasses['PdfImage'] = $dir . 'PdfHandler.image.php'; |
| 56 | 61 | $wgAutoloadClasses['PdfHandler'] = $dir . 'PdfHandler_body.php'; |
| | 62 | +$wgAutoloadClasses['CreatePdfThumbnailsJob'] = $dir . 'CreatePdfThumbnailsJob.class.php'; |
| 57 | 63 | $wgMediaHandlers['application/pdf'] = 'PdfHandler'; |
| | 64 | +$wgJobClasses['createPdfThumbnailsJob'] = 'CreatePdfThumbnailsJob'; |
| | 65 | +$wgHooks['UploadVerifyFile'][] = 'CreatePdfThumbnailsJob::insertJobs'; |
| Index: trunk/extensions/PdfHandler/CreatePdfThumbnailsJob.class.php |
| — | — | @@ -0,0 +1,124 @@ |
| | 2 | +<?php |
| | 3 | + |
| | 4 | +class CreatePdfThumbnailsJob extends Job { |
| | 5 | + /** |
| | 6 | + * Flags for thumbnail jobs |
| | 7 | + */ |
| | 8 | + const BIG_THUMB = 1; |
| | 9 | + const SMALL_THUMB = 2; |
| | 10 | + |
| | 11 | + /** |
| | 12 | + * Construct a thumbnail job |
| | 13 | + * |
| | 14 | + * @param $title Title: Title object |
| | 15 | + * @param $params Associative array of options: |
| | 16 | + * page: page number for which the thumbnail will be created |
| | 17 | + * jobtype: CreatePDFThumbnailsJob::BIG_THUMB or CreatePDFThumbnailsJob::SMALL_THUMB |
| | 18 | + * BIG_THUMB will create a thumbnail visible for full thumbnail view, |
| | 19 | + * SMALL_THUMB will create a thumbnail shown in "previous page"/"next page" boxes |
| | 20 | + * |
| | 21 | + */ |
| | 22 | + public function __construct( $title, $params ) { |
| | 23 | + parent::__construct( 'createPdfThumbnailsJob', $title, $params ); |
| | 24 | + } |
| | 25 | + |
| | 26 | + /** |
| | 27 | + * Run a thumbnail job on a given PDF file. |
| | 28 | + * @return bool true |
| | 29 | + */ |
| | 30 | + public function run() { |
| | 31 | + if ( !isset( $this->params['page'] ) ) { |
| | 32 | + wfDebugLog('thumbnails', 'A page for thumbnails job of ' . $this->title->getText() . ' was not specified! That should never happen!'); |
| | 33 | + return true; // no page set? that should never happen |
| | 34 | + } |
| | 35 | + |
| | 36 | + $file = wfLocalFile( $this->title ); // we just want a local file |
| | 37 | + if ( !$file ) { |
| | 38 | + return true; // Just silently fail, perhaps the file was already deleted, don't bother |
| | 39 | + } |
| | 40 | + |
| | 41 | + switch ($this->params['jobtype']) { |
| | 42 | + case self::BIG_THUMB: |
| | 43 | + global $wgImageLimits; |
| | 44 | + // Ignore user preferences, do default thumbnails |
| | 45 | + // everything here shamelessy copied and reused from includes/ImagePage.php |
| | 46 | + $sizeSel = User::getDefaultOption( 'imagesize' ); |
| | 47 | + |
| | 48 | + // The user offset might still be incorrect, specially if |
| | 49 | + // $wgImageLimits got changed (see bug #8858). |
| | 50 | + if ( !isset( $wgImageLimits[$sizeSel] ) ) { |
| | 51 | + // Default to the first offset in $wgImageLimits |
| | 52 | + $sizeSel = 0; |
| | 53 | + } |
| | 54 | + $max = $wgImageLimits[$sizeSel]; |
| | 55 | + $maxWidth = $max[0]; |
| | 56 | + $maxHeight = $max[1]; |
| | 57 | + |
| | 58 | + $width_orig = $file->getWidth( $this->params['page'] ); |
| | 59 | + $width = $width_orig; |
| | 60 | + $height_orig = $file->getHeight( $this->params['page'] ); |
| | 61 | + $height = $height_orig; |
| | 62 | + if ( $width > $maxWidth || $height > $maxHeight ) { |
| | 63 | + # Calculate the thumbnail size. |
| | 64 | + # First case, the limiting factor is the width, not the height. |
| | 65 | + if ( $width / $height >= $maxWidth / $maxHeight ) { |
| | 66 | + $height = round( $height * $maxWidth / $width ); |
| | 67 | + $width = $maxWidth; |
| | 68 | + # Note that $height <= $maxHeight now. |
| | 69 | + } else { |
| | 70 | + $newwidth = floor( $width * $maxHeight / $height ); |
| | 71 | + $height = round( $height * $newwidth / $width ); |
| | 72 | + $width = $newwidth; |
| | 73 | + # Note that $height <= $maxHeight now, but might not be identical |
| | 74 | + # because of rounding. |
| | 75 | + } |
| | 76 | + $transformParams = array( 'page' => $this->params['page'], 'width' => $width ); |
| | 77 | + $file->transform( $transformParams ); |
| | 78 | + } |
| | 79 | + break; |
| | 80 | + |
| | 81 | + case self::SMALL_THUMB: |
| | 82 | + // @TODO: Minor, get rid of thumbnail preferences ($wgUser dependance) |
| | 83 | + global $wgUser; |
| | 84 | + $sk = $wgUser->getSkin(); |
| | 85 | + $sk->makeThumbLinkObj( $this->title, $file, '', '', 'none', array( 'page' => $this->params['page'] ) ); |
| | 86 | + break; |
| | 87 | + } |
| | 88 | + |
| | 89 | + return true; |
| | 90 | + } |
| | 91 | + |
| | 92 | + |
| | 93 | + public static function insertJobs( $upload, $mime, &$error ) { |
| | 94 | + global $wgPdfCreateThumbnailsInJobQueue; |
| | 95 | + if ( !$wgPdfCreateThumbnailsInJobQueue ) { |
| | 96 | + return true; |
| | 97 | + } |
| | 98 | + if (!MimeMagic::singleton()->isMatchingExtension('pdf', $mime)) { |
| | 99 | + return true; // not a PDF, abort |
| | 100 | + } |
| | 101 | + |
| | 102 | + $title = $upload->getTitle(); |
| | 103 | + $uploadFile = $upload->getLocalFile(); |
| | 104 | + if ( is_null($uploadFile) ) { |
| | 105 | + wfDebugLog('thumbnails', '$uploadFile seems to be null, should never happen...'); |
| | 106 | + return true; // should never happen, but it's better to be secure |
| | 107 | + } |
| | 108 | + |
| | 109 | + $metadata = $uploadFile->getMetadata(); |
| | 110 | + $unserialized = unserialize( $metadata ); |
| | 111 | + $pages = intval( $unserialized['Pages'] ); |
| | 112 | + |
| | 113 | + $jobs = array(); |
| | 114 | + for ($i = 1; $i <= $pages; $i++) { |
| | 115 | + $jobs[] = new CreatePdfThumbnailsJob( $title, |
| | 116 | + array( 'page' => $i, 'jobtype' => self::BIG_THUMB ) |
| | 117 | + ); |
| | 118 | + $jobs[] = new CreatePdfThumbnailsJob( $title, |
| | 119 | + array( 'page' => $i, 'jobtype' => self::SMALL_THUMB ) |
| | 120 | + ); |
| | 121 | + } |
| | 122 | + Job::batchInsert( $jobs ); |
| | 123 | + return true; |
| | 124 | + } |
| | 125 | +} |
| Property changes on: trunk/extensions/PdfHandler/CreatePdfThumbnailsJob.class.php |
| ___________________________________________________________________ |
| Added: svn:eol-style |
| 1 | 126 | + native |