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Group pdf setup reads and writes

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This commit is contained in:
Jeroen Hermans 2020-11-16 09:47:19 +01:00
parent 33c4c1c5d2
commit 10f02ece99
1 changed files with 12 additions and 10 deletions
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22
js/controllers/print.js
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@ -18,18 +18,24 @@ export default class Print {
*/ */
async setupPDF() { async setupPDF() {
let config = this.Reveal.getConfig(); const config = this.Reveal.getConfig();
const slides = queryAll( this.Reveal.getRevealElement(), SLIDES_SELECTOR )
let slideSize = this.Reveal.getComputedSlideSize( window.innerWidth, window.innerHeight ); // Compute slide numbers now, before we start duplicating slides
const doingSlideNumbers = config.slideNumber && /all|print/i.test( config.showSlideNumber );
const slideSize = this.Reveal.getComputedSlideSize( window.innerWidth, window.innerHeight );
// Dimensions of the PDF pages // Dimensions of the PDF pages
let pageWidth = Math.floor( slideSize.width * ( 1 + config.margin ) ), const pageWidth = Math.floor( slideSize.width * ( 1 + config.margin ) ),
pageHeight = Math.floor( slideSize.height * ( 1 + config.margin ) ); pageHeight = Math.floor( slideSize.height * ( 1 + config.margin ) );
// Dimensions of slides within the pages // Dimensions of slides within the pages
let slideWidth = slideSize.width, const slideWidth = slideSize.width,
slideHeight = slideSize.height; slideHeight = slideSize.height;
await new Promise(requestAnimationFrame);
// Let the browser know what page size we want to print // Let the browser know what page size we want to print
createStyleSheet( '@page{size:'+ pageWidth +'px '+ pageHeight +'px; margin: 0px;}' ); createStyleSheet( '@page{size:'+ pageWidth +'px '+ pageHeight +'px; margin: 0px;}' );
@ -41,13 +47,9 @@ export default class Print {
document.body.style.height = pageHeight + 'px'; document.body.style.height = pageHeight + 'px';
// Make sure stretch elements fit on slide // Make sure stretch elements fit on slide
await new Promise(requestAnimationFrame);
this.Reveal.layoutSlideContents( slideWidth, slideHeight ); this.Reveal.layoutSlideContents( slideWidth, slideHeight );
const slides = queryAll( this.Reveal.getRevealElement(), SLIDES_SELECTOR )
// Compute slide numbers now, before we start duplicating slides
let doingSlideNumbers = config.slideNumber && /all|print/i.test( config.showSlideNumber );
// Batch scrollHeight access to prevent layout thrashing // Batch scrollHeight access to prevent layout thrashing
await new Promise(requestAnimationFrame); await new Promise(requestAnimationFrame);
const slideScrollHeights = [] const slideScrollHeights = []
@ -161,7 +163,7 @@ export default class Print {
}, this ); }, this );
// Create a separate page for the current fragment state // Create a separate page for the current fragment state
let clonedPage = page.cloneNode( true ); const clonedPage = page.cloneNode( true );
pages.push( clonedPage ); pages.push( clonedPage );
previousFragmentStep = fragments; previousFragmentStep = fragments;