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Fix: Update png fallback

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In Ifdd75ce51076b098af67a96b5dcb0fc0726d2b00
I missed to update the png fallback mechanism
given the fact that SVG is now a <img element
as well and no longer a <meta tag.

Bug: T136905
Change-Id: If1b4fb11cfb50eab98f847674fdbef2cd0e43e37
This commit is contained in:
Moritz Schubotz 2016-06-03 10:10:06 +02:00
parent 349d7cfc16
commit 2fc8fa6ccd
1 changed files with 3 additions and 20 deletions
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23
modules/ext.math.js
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@ -1,24 +1,5 @@
( function ( $ ) { ( function ( $ ) {
'use strict'; 'use strict';
var img, url;
function insertImg( png ) {
$( '.mwe-math-fallback-image-inline, .mwe-math-fallback-image-display' ).each( function ( ) {
// Create a new image to use as the fallback.
img = document.createElement( 'img' );
url = this.style.backgroundImage.match( /url\(\s*(['"]?)([^\1\)]*)\1\s*\)/ )[ 2 ];
if ( png ) {
url = url.replace( 'media/math/render/svg/', 'media/math/render/png/' );
}
img.setAttribute( 'src', url );
img.setAttribute( 'class', 'tex mwe-math-fallback-image-' + ( $( this ).hasClass( 'mwe-math-fallback-image-inline' ) ? 'inline' : 'display' ) );
img.setAttribute( 'aria-hidden', 'true' );
this.parentNode.insertBefore( img, this );
// Hide the old SVG fallback.
$( this ).css( 'display', 'none' );
} );
}
// If MathPlayer is installed we show the MathML rendering. // If MathPlayer is installed we show the MathML rendering.
if ( navigator.userAgent.indexOf( 'MathPlayer' ) > -1 ) { if ( navigator.userAgent.indexOf( 'MathPlayer' ) > -1 ) {
@ -30,6 +11,8 @@
// We verify whether SVG as <img> is supported and otherwise use the // We verify whether SVG as <img> is supported and otherwise use the
// PNG fallback. See https://github.com/Modernizr/Modernizr/blob/master/feature-detects/svg/asimg.js // PNG fallback. See https://github.com/Modernizr/Modernizr/blob/master/feature-detects/svg/asimg.js
if ( !document.implementation.hasFeature( 'http://www.w3.org/TR/SVG11/feature#Image', '1.1' ) ) { if ( !document.implementation.hasFeature( 'http://www.w3.org/TR/SVG11/feature#Image', '1.1' ) ) {
insertImg( true ); $( '.mwe-math-fallback-image-inline, .mwe-math-fallback-image-display' ).each( function ( ) {
this.src = this.src.replace( 'media/math/render/svg/', 'media/math/render/png/' );
} );
} }
}( jQuery ) ); }( jQuery ) );