only use zoom to scale presentations up, fixes shifts in text layout

edit
Hakim El Hattab 2015-08-03 12:24:38 +02:00
parent 25da01ce41
commit de3e1daab4
1 changed files with 9 additions and 2 deletions

View File

@ -1530,13 +1530,20 @@
transformSlides( { layout: '' } );
}
else {
// Prefer zooming in desktop Chrome so that content remains crisp
if( !isMobileDevice && /chrome/i.test( navigator.userAgent ) && typeof dom.slides.style.zoom !== 'undefined' ) {
// Use zoom to scale up in desktop Chrome so that content
// remains crisp. We don't use zoom to scale down since that
// can lead to shifts in text layout/line breaks.
if( scale > 1 && !isMobileDevice && /chrome/i.test( navigator.userAgent ) && typeof dom.slides.style.zoom !== 'undefined' ) {
dom.slides.style.zoom = scale;
dom.slides.style.left = '';
dom.slides.style.top = '';
dom.slides.style.bottom = '';
dom.slides.style.right = '';
transformSlides( { layout: '' } );
}
// Apply scale transform as a fallback
else {
dom.slides.style.zoom = '';
dom.slides.style.left = '50%';
dom.slides.style.top = '50%';
dom.slides.style.bottom = 'auto';