https://blog.lfkdsk.org/tags/%E6%83%85%E6%80%80%E5%90%91/Recent content in 情怀向 on lfkdsk's BlogHugocnSat, 10 Feb 2007 22:36:42 +0000https://blog.lfkdsk.org/xianjian10/Sat, 10 Feb 2007 22:36:42 +0000https://blog.lfkdsk.org/xianjian10/<p>初中时候的中二之作。</p> <!-- <center><embed src="xianjian.pdf" width="850" height="600"></center> --> <script type="text/javascript" src= 'https://blog.lfkdsk.org//js/pdf-js/build/pdf.js'></script> <style> #the-canvas { border: 1px solid black; direction: ltr; width: 100%; height: auto; display: none; } #paginator { display: none; text-align: center; margin-top: 10px; } #loadingWrapper { display: none; justify-content: center; align-items: center; width: 100%; height: 350px; } #loading { display: inline-block; width: 50px; height: 50px; border: 3px solid #d2d0d0;; border-radius: 50%; border-top-color: #383838; animation: spin 1s ease-in-out infinite; -webkit-animation: spin 1s ease-in-out infinite; } @keyframes spin { to { -webkit-transform: rotate(360deg); } } @-webkit-keyframes spin { to { -webkit-transform: rotate(360deg); } } </style> <div id="embed-pdf-container"> <div id="loadingWrapper"> <div id="loading"></div> </div> <canvas id="the-canvas"></canvas> </div> <div id="paginator"> <button id="prev">&lt;-</button> <button id="next">-></button> &nbsp; &nbsp; <span>Page: <span id="page_num"></span> / <span id="page_count"></span></span> </div> <script type="text/javascript"> window.onload = function() { var url = 'https:\/\/raw.githubusercontent.com\/lfkdsk\/picx-images-hosting\/master\/blog\/xianjian10\/xianjian.pdf'.startsWith("http") ? 'https:\/\/raw.githubusercontent.com\/lfkdsk\/picx-images-hosting\/master\/blog\/xianjian10\/xianjian.pdf' : "https:\/\/blog.lfkdsk.org\/" + 'https:\/\/raw.githubusercontent.com\/lfkdsk\/picx-images-hosting\/master\/blog\/xianjian10\/xianjian.pdf'; var hidePaginator = "" === "true"; var hideLoader = "" === "true"; var selectedPageNum = parseInt("") || 1; var pdfjsLib = window['pdfjs-dist/build/pdf']; pdfjsLib.GlobalWorkerOptions.workerSrc = "https:\/\/blog.lfkdsk.org\/" + '/js/pdf-js/build/pdf.worker.js'; var pdfDoc = null, pageNum = selectedPageNum, pageRendering = false, pageNumPending = null, scale = 3, canvas = document.getElementById('the-canvas'), ctx = canvas.getContext('2d'), paginator = document.getElementById("paginator"), loadingWrapper = document.getElementById('loadingWrapper'); showPaginator(); showLoader(); function renderPage(num) { pageRendering = true; pdfDoc.getPage(num).then(function(page) { var viewport = page.getViewport({scale: scale}); canvas.height = viewport.height; canvas.width = viewport.width; var renderContext = { canvasContext: ctx, viewport: viewport }; var renderTask = page.render(renderContext); renderTask.promise.then(function() { pageRendering = false; showContent(); if (pageNumPending !== null) { renderPage(pageNumPending); pageNumPending = null; } }); }); document.getElementById('page_num').textContent = num; } function showContent() { loadingWrapper.style.display = 'none'; canvas.style.display = 'block'; } function showLoader() { if(hideLoader) return loadingWrapper.style.display = 'flex'; canvas.style.display = 'none'; } function showPaginator() { if(hidePaginator) return paginator.style.display = 'block'; } function queueRenderPage(num) { if (pageRendering) { pageNumPending = num; } else { renderPage(num); } } function onPrevPage() { if (pageNum <= 1) { return; } pageNum--; queueRenderPage(pageNum); } document.getElementById('prev').addEventListener('click', onPrevPage); function onNextPage() { if (pageNum >= pdfDoc.numPages) { return; } pageNum++; queueRenderPage(pageNum); } document.getElementById('next').addEventListener('click', onNextPage); pdfjsLib.getDocument(url).promise.then(function(pdfDoc_) { pdfDoc = pdfDoc_; var numPages = pdfDoc.numPages; document.getElementById('page_count').textContent = numPages; if(pageNum > numPages) { pageNum = numPages } renderPage(pageNum); }); } </script> <br/>