simplify code
parent
3e3141be80
commit
54a997acbb
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@ -489,7 +489,7 @@
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<!--GuestUploadStart--><script type="text/javascript" src="//cdn.bootcss.com/spark-md5/3.0.0/spark-md5.min.js"></script><!--GuestUploadEnd-->
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<!--AliyundriveUploadJsStart--><script src="https://unpkg.com/bignumber.js@9.0.2/bignumber.js"></script>
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<script src="https://www.unpkg.com/js-sha1@0.6.0/src/sha1.js"></script><!--AliyundriveUploadJsEnd-->
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<!--IsFileStart--><!--IspdfFileStart--><script src="https://unpkg.com/pdfjs-dist@2.13.216/build/pdf.min.js"></script><!--IspdfFileEnd--><!--IsFileEnd-->
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<!--IsFileStart--><!--IspdfFileStart--><script src="https://unpkg.com/pdfjs-dist@2.4.456/build/pdf.min.js"></script><!--IspdfFileEnd--><!--IsFileEnd-->
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<!--ListEnd-->
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<script type="text/javascript">
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function changelanguage(str)
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@ -655,61 +655,48 @@
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addVideos(["<!--FileEncodeUrl-->"]);
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<!--IsvideoFileEnd-->
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<!--IspdfFileStart-->
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//cdn.bootcss.com/pdf.js/2.3.200/pdf.worker.min.js
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pdfjsLib.GlobalWorkerOptions.workerSrc = 'https://unpkg.com/pdfjs-dist@2.13.216/build/pdf.worker.min.js';
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//cdn.bootcss.com/pdf.js/2.4.456/pdf.worker.min.js
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pdfjsLib.GlobalWorkerOptions.workerSrc = 'https://unpkg.com/pdfjs-dist@2.4.456/build/pdf.worker.min.js';
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var loadingTask = pdfjsLib.getDocument({
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url: "<!--FileDownUrl-->",
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cMapUrl: "https://unpkg.com/pdfjs-dist@2.13.216/cmaps/",
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cMapUrl: "https://unpkg.com/pdfjs-dist@2.4.456/cmaps/",
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cMapPacked: true,
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disableStream: true,
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disableAutoFetch: true,
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rangeChunkSize: 65535*16
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rangeChunkSize: 65535
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});
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loadingTask.promise.then(function(pdf) {
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var pagenum = pdf.numPages;
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var pdfContainer = document.getElementById('pdf-d');
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pdfContainer.innerHTML = '';
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if (pagenum>5) {
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var pagepos = 0;
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for (var i=1;i<=5;i++) {
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var canvasNew = document.createElement('canvas');
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canvasNew.id = 'pdf-c'+i;
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pdfContainer.appendChild(canvasNew);
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renderpage(pdf,i);
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}
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pagepos = i;
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var pdfnextpagebutton = document.createElement('button');
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pdfnextpagebutton.id = 'pdfnextpagebutton';
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pdfnextpagebutton.innerText = 'Load page ' + pagepos + '-' + (pagepos+4<pagenum?pagepos+4:pagenum) + ' (' + pagenum + ')';
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pdfnextpagebutton.setAttribute('onclick', "this.style.display = 'none';");
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pdfContainer.appendChild(pdfnextpagebutton);
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var pdfWaitNextPage = setInterval(function(){
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//console.log(document.documentElement.scrollTop + ", " + document.body.scrollHeight);
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if (pdfnextpagebutton.style.display=='none') {
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for (var i=pagepos;i<(pagepos+5<pagenum?pagepos+5:pagenum);i++) {
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var canvasNew = document.createElement('canvas');
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canvasNew.id = 'pdf-c'+i;
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pdfContainer.appendChild(canvasNew);
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renderpage(pdf,i);
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}
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pagepos = i;
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if (pagepos<pagenum) {
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pdfnextpagebutton.innerText = 'Load page ' + pagepos + '-' + (pagepos+5<pagenum?pagepos+5:pagenum) + ' (' + pagenum + ')';
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pdfnextpagebutton.style.display ='';
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pdfContainer.appendChild(pdfnextpagebutton);
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} else {
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clearInterval(pdfWaitNextPage);
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}
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var pagepos = 1;
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var pdfnextpagebutton = document.createElement('button');
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pdfnextpagebutton.id = 'pdfnextpagebutton';
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pdfnextpagebutton.innerText = 'Load page ' + pagepos + '-' + (pagepos+4<pagenum?pagepos+4:pagenum) + ' (' + pagenum + ')';
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pdfnextpagebutton.setAttribute('onclick', "this.style.display = 'none';");
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pdfnextpagebutton.style.display = 'none';
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pdfContainer.appendChild(pdfnextpagebutton);
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var pdfWaitNextPage = setInterval(function(){
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//console.log(document.documentElement.scrollTop + ", " + document.body.scrollHeight);
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console.log("next page: " + pagepos + " / " + pagenum);
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if (pdfnextpagebutton.style.display=='none') {
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for (var i=pagepos;i<=(pagepos+4<pagenum?pagepos+4:pagenum);i++) {
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var canvasNew = document.createElement('canvas');
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canvasNew.id = 'pdf-c'+i;
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pdfContainer.appendChild(canvasNew);
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renderpage(pdf,i);
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}
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pagepos = i;
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if (pagepos<pagenum) {
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pdfnextpagebutton.innerText = 'Load page ' + pagepos + '-' + (pagepos+4<pagenum?pagepos+4:pagenum) + ' (' + pagenum + ')';
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pdfnextpagebutton.style.display ='';
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pdfContainer.appendChild(pdfnextpagebutton);
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} else {
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console.log("end of pdf");
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clearInterval(pdfWaitNextPage);
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}
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}, 1000);
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} else {
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for (var i=1;i<=pagenum;i++) {
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var canvasNew = document.createElement('canvas');
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canvasNew.id = 'pdf-c'+i;
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pdfContainer.appendChild(canvasNew);
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renderpage(pdf,i);
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}
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}
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}, 1000);
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});
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function renderpage(pdf,i) {
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pdf.getPage(i).then(function(page) {
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