+++ /dev/null
-<?php
-/**
- * Global functions related to images
- *
- * @file
- */
-
-/**
- * Determine if an image exists on the 'bad image list'.
- *
- * The format of MediaWiki:Bad_image_list is as follows:
- * * Only list items (lines starting with "*") are considered
- * * The first link on a line must be a link to a bad image
- * * Any subsequent links on the same line are considered to be exceptions,
- * i.e. articles where the image may occur inline.
- *
- * @param $name string the image name to check
- * @param $contextTitle Title: the page on which the image occurs, if known
- * @return bool
- */
-function wfIsBadImage( $name, $contextTitle = false ) {
- static $badImages = false;
- wfProfileIn( __METHOD__ );
-
- # Handle redirects
- $redirectTitle = RepoGroup::singleton()->checkRedirect( Title::makeTitle( NS_FILE, $name ) );
- if( $redirectTitle ) {
- $name = $redirectTitle->getDbKey();
- }
-
- # Run the extension hook
- $bad = false;
- if( !wfRunHooks( 'BadImage', array( $name, &$bad ) ) ) {
- wfProfileOut( __METHOD__ );
- return $bad;
- }
-
- if( !$badImages ) {
- # Build the list now
- $badImages = array();
- $lines = explode( "\n", wfMsgForContentNoTrans( 'bad_image_list' ) );
- foreach( $lines as $line ) {
- # List items only
- if ( substr( $line, 0, 1 ) !== '*' ) {
- continue;
- }
-
- # Find all links
- $m = array();
- if ( !preg_match_all( '/\[\[:?(.*?)\]\]/', $line, $m ) ) {
- continue;
- }
-
- $exceptions = array();
- $imageDBkey = false;
- foreach ( $m[1] as $i => $titleText ) {
- $title = Title::newFromText( $titleText );
- if ( !is_null( $title ) ) {
- if ( $i == 0 ) {
- $imageDBkey = $title->getDBkey();
- } else {
- $exceptions[$title->getPrefixedDBkey()] = true;
- }
- }
- }
-
- if ( $imageDBkey !== false ) {
- $badImages[$imageDBkey] = $exceptions;
- }
- }
- }
-
- $contextKey = $contextTitle ? $contextTitle->getPrefixedDBkey() : false;
- $bad = isset( $badImages[$name] ) && !isset( $badImages[$name][$contextKey] );
- wfProfileOut( __METHOD__ );
- return $bad;
-}
-
-/**
- * Calculate the largest thumbnail width for a given original file size
- * such that the thumbnail's height is at most $maxHeight.
- * @param $boxWidth Integer Width of the thumbnail box.
- * @param $boxHeight Integer Height of the thumbnail box.
- * @param $maxHeight Integer Maximum height expected for the thumbnail.
- * @return Integer.
- */
-function wfFitBoxWidth( $boxWidth, $boxHeight, $maxHeight ) {
- $idealWidth = $boxWidth * $maxHeight / $boxHeight;
- $roundedUp = ceil( $idealWidth );
- if( round( $roundedUp * $boxHeight / $boxWidth ) > $maxHeight )
- return floor( $idealWidth );
- else
- return $roundedUp;
-}