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zoom plugin now works for scaled presentations

This commit is contained in:
Hakim El Hattab 2014-12-10 20:09:03 +01:00
parent dc215a2441
commit 8524af73f6
1 changed files with 13 additions and 1 deletions
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14
plugin/zoom-js/zoom.js
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@ -5,9 +5,21 @@
document.querySelector( '.reveal' ).addEventListener( 'mousedown', function( event ) { document.querySelector( '.reveal' ).addEventListener( 'mousedown', function( event ) {
var modifier = ( Reveal.getConfig().zoomKey ? Reveal.getConfig().zoomKey : 'alt' ) + 'Key'; var modifier = ( Reveal.getConfig().zoomKey ? Reveal.getConfig().zoomKey : 'alt' ) + 'Key';
var zoomPadding = 20;
var revealScale = Reveal.getScale();
if( event[ modifier ] && isEnabled ) { if( event[ modifier ] && isEnabled ) {
event.preventDefault(); event.preventDefault();
zoom.to({ element: event.target, pan: false });
var bounds = event.target.getBoundingClientRect();
zoom.to({
x: ( bounds.left * revealScale ) - zoomPadding,
y: ( bounds.top * revealScale ) - zoomPadding,
width: ( bounds.width * revealScale ) + ( zoomPadding * 2 ),
height: ( bounds.height * revealScale ) + ( zoomPadding * 2 ),
pan: false
});
} }
} ); } );