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switch to bounding rect for auto-animate deltas

edit
Hakim El Hattab 2020-02-17 13:14:46 +01:00
parent ac59dcb525
commit 4ff7fd3a71
4 changed files with 50 additions and 43 deletions
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4
css/reveal.css
View File

@ -1045,6 +1045,10 @@ body {
.reveal .slides.disable-slide-transitions section {
transition: none !important; }
.reveal .slides.disable-slide-transitions section {
-webkit-transform: none !important;
transform: none !important; }
/*********************************************
* PER-SLIDE BACKGROUNDS
*********************************************/

4
css/reveal.scss
View File

@ -1123,6 +1123,10 @@ $controlsArrowAngleActive: 36deg;
transition: none !important;
}
.reveal .slides.disable-slide-transitions section {
transform: none !important;
}
/*********************************************
* PER-SLIDE BACKGROUNDS

37
js/reveal.js
View File

@ -3868,14 +3868,7 @@
autoAnimateStyleSheet.type = 'text/css';
document.head.appendChild( autoAnimateStyleSheet );
var slideOptions = getAutoAnimateOptions( toSlide, {
// If our slides are centered vertically, we need to
// account for their difference in position when
// calculating deltas for animated elements
offsetY: config.center ? fromSlide.offsetTop - toSlide.offsetTop : 0
} );
var animationOptions = getAutoAnimateOptions( toSlide );
// Set our starting state
fromSlide.dataset.autoAnimate = 'pending';
@ -3883,7 +3876,7 @@
// Inject our auto-animate styles for this transition
var css = getAutoAnimatableElements( fromSlide, toSlide ).map( function( elements ) {
return getAutoAnimateCSS( elements.from, elements.to, elements.options || {}, slideOptions, autoAnimateCounter++ );
return getAutoAnimateCSS( elements.from, elements.to, elements.options || {}, animationOptions, autoAnimateCounter++ );
} );
// If the slide is configured to animate unmatched elements we
@ -3893,7 +3886,7 @@
unmatchedElement.dataset.autoAnimateUnmatched = 'fade-in';
} );
css.push( '.reveal [data-auto-animate="running"] [data-auto-animate-unmatched] { transition: all '+ (slideOptions.duration*0.8) +'s ease '+ (slideOptions.duration*0.2) +'s; }' );
css.push( '.reveal [data-auto-animate="running"] [data-auto-animate-unmatched] { transition: all '+ (animationOptions.duration*0.8) +'s ease '+ (animationOptions.duration*0.2) +'s; }' );
}
// Setting the whole chunk of CSS at once is the most
@ -3938,11 +3931,11 @@
* @param {HTMLElement} from
* @param {HTMLElement} to
* @param {Object} elementOptions Options for this element pair
* @param {Object} slideOptions Options set at the slide level
* @param {Object} animationOptions Options set at the slide level
* @param {String} id Unique ID that we can use to identify this
* auto-animate element in the DOM
*/
function getAutoAnimateCSS( from, to, elementOptions, slideOptions, id ) {
function getAutoAnimateCSS( from, to, elementOptions, animationOptions, id ) {
// 'from' elements are given a data-auto-animate-target with no value,
// 'to' elements are are given a data-auto-animate-target with an ID
@ -3951,7 +3944,7 @@
// Each element may override any of the auto-animate options
// like transition easing, duration and delay via data-attributes
var options = getAutoAnimateOptions( to, slideOptions );
var options = getAutoAnimateOptions( to, animationOptions );
// If we're using a custom element matcher the element options
// may contain additional transition overrides
@ -3967,9 +3960,11 @@
// of the 'from' element
if( elementOptions.translate !== false || elementOptions.scale !== false ) {
var scale = Reveal.getScale();
var delta = {
x: fromProps.x - toProps.x,
y: fromProps.y - toProps.y + options.offsetY,
x: ( fromProps.x - toProps.x ) / scale,
y: ( fromProps.y - toProps.y ) / scale,
scaleX: fromProps.width / toProps.width,
scaleY: fromProps.height / toProps.height
};
@ -4007,7 +4002,7 @@
// Instantly move to the 'from' state
fromProps.styles['transition'] = 'none';
// transition to the 'to' state
// Animate towards the 'to' state
toProps.styles['transition'] = 'all '+ options.duration +'s '+ options.easing + ' ' + options.delay + 's';
// Build up our custom CSS. We need to override inline styles
@ -4020,6 +4015,7 @@
return propertyName + ': ' + toProps.styles[propertyName] + ' !important;';
} ).join( '' );
css = '.reveal [data-auto-animate-target="'+ id +'"] {'+ fromCSS +'}' +
'.reveal [data-auto-animate="running"] [data-auto-animate-target="'+ id +'"] {'+ toCSS +'}';
@ -4076,10 +4072,11 @@
// Position and size
if( elementOptions.translate !== false || elementOptions.scale !== false ) {
properties.x = element.offsetLeft;
properties.y = element.offsetTop;
properties.width = element.offsetWidth;
properties.height = element.offsetHeight;
var bounds = element.getBoundingClientRect();
properties.x = bounds.x;
properties.y = bounds.y;
properties.width = bounds.width;
properties.height = bounds.height;
}
var computedStyles = getComputedStyle( element );

2
test/examples/auto-animate.html
View File

@ -48,6 +48,7 @@
<p data-id="text-props" style="background: #555; line-height: 3em; letter-spacing: 0.2em;">Line Height & Letter Spacing</p>
</section>
<section>
<section data-auto-animate>
<h3>Swapping list items</h3>
<ul>
@ -72,6 +73,7 @@
<li>One</li>
</ul>
</section>
</section>
<section data-auto-animate style="height: 600px">
<h3 style="opacity: 0.3; font-size: 18px;">SLIDE 1</h2>