function layout()

in slides/custom/asset/md2reveal-0.1.7/js/reveal.js [1502:1580]
53 lines of code
12 McCabe index (conditional complexity)

	function layout() {

		if( dom.wrapper && !isPrintingPDF() ) {

			var size = getComputedSlideSize();

			var slidePadding = 20; // TODO Dig this out of DOM

			// Layout the contents of the slides
			layoutSlideContents( config.width, config.height, slidePadding );

			dom.slides.style.width = size.width + 'px';
			dom.slides.style.height = size.height + 'px';

			// Determine scale of content to fit within available space
			scale = Math.min( size.presentationWidth / size.width, size.presentationHeight / size.height );

			// Respect max/min scale settings
			scale = Math.max( scale, config.minScale );
			scale = Math.min( scale, config.maxScale );

			// Don't apply any scaling styles if scale is 1
			if( scale === 1 ) {
				dom.slides.style.zoom = '';
				dom.slides.style.left = '';
				dom.slides.style.top = '';
				dom.slides.style.bottom = '';
				dom.slides.style.right = '';
				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' ) {
					dom.slides.style.zoom = scale;
					transformSlides( { layout: '' } );
				}
				// Apply scale transform as a fallback
				else {
					dom.slides.style.left = '50%';
					dom.slides.style.top = '50%';
					dom.slides.style.bottom = 'auto';
					dom.slides.style.right = 'auto';
					transformSlides( { layout: 'translate(-50%, -50%) scale('+ scale +')' } );
				}
			}

			// Select all slides, vertical and horizontal
			var slides = toArray( dom.wrapper.querySelectorAll( SLIDES_SELECTOR ) );

			for( var i = 0, len = slides.length; i < len; i++ ) {
				var slide = slides[ i ];

				// Don't bother updating invisible slides
				if( slide.style.display === 'none' ) {
					continue;
				}

				if( config.center || slide.classList.contains( 'center' ) ) {
					// Vertical stacks are not centred since their section
					// children will be
					if( slide.classList.contains( 'stack' ) ) {
						slide.style.top = 0;
					}
					else {
						slide.style.top = Math.max( ( ( size.height - getAbsoluteHeight( slide ) ) / 2 ) - slidePadding, 0 ) + 'px';
					}
				}
				else {
					slide.style.top = '';
				}

			}

			updateProgress();
			updateParallax();

		}

	}