How to use PDFObjects method in wpt
Best JavaScript code snippet using wpt
PDFEditor.ts
Source:PDFEditor.ts 
1import {degrees, PDFDocument} from "pdf-lib";2import {ConfirmWindow} from "popup/ConfirmWindow";3import {FileSelector} from "utils/FileSelector";4import {FileUtils} from "utils/FileUtils";5import {Functions} from "utils/Functions";6import {HTMLFactory} from "utils/HTMLFactory";7import {HTMLUtils} from "utils/HTMLUtils";8import {ImageUtils} from "utils/ImageUtils";9import {MathUtils} from "utils/MathUtils";10import {PDFRenderer} from "utils/PDFRenderer";11import {PDFSplitter} from "utils/PDFSplitter";12export interface IOnePagePDFDoc13{14 doc: PDFDocument;15 thumbnail: string;16 originalRotation: number; // 0 | 90 | 180 | 27017 originalFileName: string;18 originalFileSize: number; // for caching the thumbnail19 originalFileLastModified: number;20 originalPageNumber: number; // its pagenumber in the original pdf document21}22export class PDFEditor23{24 private _fileSelector: FileSelector;25 private _thumbnails: HTMLElement = document.getElementById("thumbnails");26 private _info: HTMLElement = document.getElementById("info");27 private _downloadBtn: HTMLElement = document.getElementById("downloadBtn");28 private _newOnePagePDFObjects: IOnePagePDFDoc[] = []; // one paged pdfs29 private _savedScrollValue: number = 0;30 private readonly _thumbnailSize: number = 400;31 constructor()32 {33 this._fileSelector = new FileSelector(this.processFiles);34 this.addEventListeners();35 }36 private disableDownloadButton()37 {38 this._downloadBtn.textContent = "Loading...";39 this._downloadBtn.classList.add("disabled");40 }41 private enableDownloadButton()42 {43 this._downloadBtn.textContent = "Download merged PDF";44 this._downloadBtn.classList.remove("disabled");45 }46 private addEventListeners()47 {48 this._fileSelector.addEventListeners();49 this._downloadBtn.onclick = this.onDownloadClick;50 }51 private processFiles = async (files: FileList) =>52 {53 const listOfNewFiles: File[] = [];54 for (let i = 0; i < files.length; ++i)55 {56 const file = files[i];57 listOfNewFiles.push(file);58 }59 if (listOfNewFiles.length > 0 && files.length > 0)60 {61 this._fileSelector.newFilesAdded();62 this._downloadBtn.classList.remove("hidden");63 this.disableDownloadButton();64 await this.addPDFsToList(listOfNewFiles);65 this.enableDownloadButton();66 }67 };68 private async addPDFsToList(originalFiles: File[])69 {70 for (const file of originalFiles)71 {72 const newPDFs = await PDFSplitter.split(file);73 for (let j = 0; j < newPDFs.length; ++j)74 {75 const newPDF = newPDFs[j];76 const firstPage = newPDF.getPage(0);77 const originalRotation = MathUtils.clampDegreesBetweenFullCircle(firstPage.getRotation().angle);78 this._newOnePagePDFObjects.push({79 doc: newPDF,80 originalRotation: originalRotation,81 originalFileName: file.name,82 originalFileSize: file.size,83 originalFileLastModified: file.lastModified,84 originalPageNumber: j,85 thumbnail: null,86 });87 }88 }89 await this.refreshThumbnails();90 }91 private async refreshThumbnails(scrollType: "toBottom" | "toLastPosition" = "toBottom")92 {93 HTMLUtils.clearElement(this._thumbnails);94 const promisesToWaitFor = [];95 for (let i = 0; i < this._newOnePagePDFObjects.length; ++i)96 {97 const pdfObject = this._newOnePagePDFObjects[i];98 const thumbnailContainer = document.createElement("div");99 thumbnailContainer.classList.add("hbox");100 thumbnailContainer.classList.add("thumbnailContainer");101 const labelContent = `${pdfObject.originalFileName}: page ${pdfObject.originalPageNumber + 1}`;102 const firstPage = pdfObject.doc.getPage(0);103 let currentRotationValue = firstPage.getRotation().angle;104 let rotationDelta = MathUtils.clampDegreesBetweenFullCircle(currentRotationValue - pdfObject.originalRotation);105 const cachekey = `${labelContent}_${pdfObject.originalFileSize}_${pdfObject.originalFileLastModified}`;106 const thumbnailSrcPromise = PDFRenderer.getThumbnailAndViewBox(this._thumbnailSize, pdfObject.doc, cachekey, rotationDelta);107 const thumbnail = scrollType === "toBottom" ? await ImageUtils.loadImage(await thumbnailSrcPromise) : document.createElement("img");108 109 if (!thumbnail.src)110 {111 promisesToWaitFor.push(112 new Promise<void>((resolve, reject) =>113 {114 thumbnail.onload = () =>115 {116 resolve();117 };118 })119 );120 thumbnail.src = await thumbnailSrcPromise;121 }122 123 thumbnail.classList.add("thumbnail");124 const label = document.createElement("div");125 label.classList.add("label");126 label.textContent = labelContent;127 const onArrowUpClick = i > 0 ? () =>128 {129 [this._newOnePagePDFObjects[i], this._newOnePagePDFObjects[i - 1]] = [this._newOnePagePDFObjects[i - 1], this._newOnePagePDFObjects[i]];130 this.thumbnailsReorderedCallback();131 } : Functions.empty;132 const onRotateCCWClick = async () =>133 {134 currentRotationValue = MathUtils.clampDegreesBetweenFullCircle(currentRotationValue - 90);135 rotationDelta = MathUtils.clampDegreesBetweenFullCircle(currentRotationValue - pdfObject.originalRotation);136 firstPage.setRotation(degrees(currentRotationValue));137 thumbnail.src = await PDFRenderer.getThumbnailAndViewBox(this._thumbnailSize, pdfObject.doc, cachekey, rotationDelta);138 };139 const onRemoveClick = async () =>140 {141 const confirmed = await ConfirmWindow.open("Are you sure you want to delete this page?");142 if (confirmed)143 {144 this._newOnePagePDFObjects.splice(i, 1);145 this.thumbnailsReorderedCallback();146 }147 };148 const onRotateCWClick = async () =>149 {150 currentRotationValue = MathUtils.clampDegreesBetweenFullCircle(currentRotationValue + 90);151 rotationDelta = MathUtils.clampDegreesBetweenFullCircle(currentRotationValue - pdfObject.originalRotation);152 firstPage.setRotation(degrees(currentRotationValue));153 thumbnail.src = await PDFRenderer.getThumbnailAndViewBox(this._thumbnailSize, pdfObject.doc, cachekey, rotationDelta);154 };155 const onArrowDownClick = i < this._newOnePagePDFObjects.length - 1 ? () =>156 {157 [this._newOnePagePDFObjects[i + 1], this._newOnePagePDFObjects[i]] = [this._newOnePagePDFObjects[i], this._newOnePagePDFObjects[i + 1]];158 this.thumbnailsReorderedCallback();159 } : Functions.empty;160 const buttons = HTMLFactory.createButtonsForPDF({161 onArrowUpClick,162 onRotateCCWClick,163 onRemoveClick,164 onRotateCWClick,165 onArrowDownClick166 });167 thumbnailContainer.appendChild(buttons);168 thumbnailContainer.appendChild(thumbnail);169 thumbnailContainer.appendChild(label);170 this._thumbnails.appendChild(thumbnailContainer);171 if (scrollType === "toBottom")172 {173 this._thumbnails.scrollTop = this._thumbnails.scrollHeight;174 }175 this.updateInfoText(i + 1);176 }177 await Promise.all(promisesToWaitFor);178 if (scrollType === "toLastPosition")179 {180 this._thumbnails.scrollTop = this._savedScrollValue;181 }182 else183 {184 this._thumbnails.scrollTop = this._thumbnails.scrollHeight;185 }186 if (this._newOnePagePDFObjects.length === 0)187 {188 this.disableDownloadButton();189 this._fileSelector.allPagesDeleted();190 this._info.textContent = "";191 this._downloadBtn.classList.add("hidden");192 }193 else194 {195 this.updateInfoText(this._newOnePagePDFObjects.length);196 }197 }198 private updateInfoText(numberOfPages: number)199 {200 this._info.textContent = `Merged PDF will be generated with ${numberOfPages} pages`;201 }202 private thumbnailsReorderedCallback()203 {204 this._savedScrollValue = this._thumbnails.scrollTop;205 this.refreshThumbnails("toLastPosition");206 }207 private setPDFHeaders(pdfDoc: PDFDocument)208 {209 pdfDoc.setTitle("Merged PDF");210 pdfDoc.setAuthor("https://github.com/soadzoor/PDF-merger");211 //pdfDoc.setKeywords(["eggs", "wall", "fall", "king", "horses", "men"]);212 pdfDoc.setProducer("https://github.com/soadzoor/PDF-merger");213 pdfDoc.setCreator("PDF merger (https://github.com/soadzoor/PDF-merger)");214 pdfDoc.setCreationDate(new Date());215 pdfDoc.setModificationDate(new Date());216 }217 private async createMergedPDF()218 {219 if (this._newOnePagePDFObjects.length > 0)220 {221 const mergedPDF = await PDFDocument.create();222 this.setPDFHeaders(mergedPDF);223 for (const onePagedPDFObject of this._newOnePagePDFObjects)224 {225 const onePagedDoc = onePagedPDFObject.doc;226 // All these pdf documents contain only one page, but it doesn't hurt to leave it like this for extra safety227 const pageCount = onePagedDoc.getPageCount();228 const pages = await mergedPDF.copyPages(onePagedDoc, this.getIndicesFromZeroToN(pageCount - 1));229 for (const page of pages)230 {231 mergedPDF.addPage(page);232 }233 }234 return mergedPDF;235 }236 }237 private getIndicesFromZeroToN(n: number)238 {239 const indices = [];240 for (let i = 0; i <= n; ++i)241 {242 indices.push(i);243 }244 return indices;245 }246 private onDownloadClick = async () =>247 {248 const mergedPDF = await this.createMergedPDF();249 const byteArray = await mergedPDF.save();250 FileUtils.downloadFileGivenByData(byteArray, "mergedPDF.pdf", "application/pdf");251 };...
pdfslide.js
Source:pdfslide.js
1extensibles.slide = new function slide() {2 this.type = "slide";3 this.name = "slide";4 this.upload = true;5 var slideObj = this;6 7 var parseBlock = function(blockText) {8 return encodeURIComponent(blockText);9 };10 var deparseBlock = function(blockText) {11 return decodeURIComponent(blockText);12 };13 this.insertContent = function(block,content) {14 /* data-page attribute keeps track of which page is being displayed */15 var canvas = document.createElement("canvas");16 canvas.setAttribute("class","xSli");17 canvas.setAttribute("id",content);18 canvas.setAttribute("data-page","1");19 block.appendChild(canvas);20 /* if block was just made, don't try to load pdf */21 if (content !== "") {22 PDFJS.getDocument(deparseBlock(content)).then(function(pdfObj) {23 slideObj.g.pdfObjects[content] = pdfObj;24 var tag = block.childNodes[0];25 slideObj.f.renderPDF(pdfObj,1,tag);26 });27 }28 /* event listener for changing slides left & right */29 block.onmouseup = function(event) {30 var X = event.pageX - this.offsetLeft;31 /// var Y = event.pageY - this.offsetTop;32 /* get the <canvas> tag, current page, pdf url/id, and the pdf total page count */33 var canvas = this.childNodes[0];34 var pageNum = canvas.getAttribute("data-page");35 var pdfID = canvas.getAttribute("id");36 var pageCount = slideObj.g.pdfObjects[pdfID].numPages;37 /* determine whether left or right side was clicked, then render prev or next page */38 if(X > this.offsetWidth / 1.7) {39 if(pageNum < pageCount) {40 pageNum++;41 canvas.setAttribute("data-page",pageNum);42 slideObj.f.renderPDF(slideObj.g.pdfObjects[pdfID],pageNum,canvas);43 }44 } else {45 if(pageNum > 1) {46 pageNum--;47 canvas.setAttribute("data-page",pageNum);48 slideObj.f.renderPDF(slideObj.g.pdfObjects[pdfID],pageNum,canvas);49 }50 }51 };52 return block;53 };54 this.afterDOMinsert = function(bid,data) {55 var objCopy = this;56 if(data !== null) {57 /* add the pdf to the pdfObjects array and render the first page */58 PDFJS.getDocument(deparseBlock(data)).then(function(pdfObj) {59 slideObj.g.pdfObjects[data] = pdfObj;60 var slidetag = document.getElementById(bid).childNodes[0];61 slidetag.setAttribute("id",data);62 objCopy.f.renderPDF(pdfObj,1,slidetag);63 });64 }65 };66 this.saveContent = function(bid) {67 var slidestr = document.getElementById(bid).children[0].id;68 return parseBlock(slidestr.replace(location.href.substring(0,location.href.lastIndexOf('/') + 1),""));69 };70 this.showContent = function(block,content) {71 /* data-page attribute keeps track of which page is being displayed */72 var canvas = document.createElement("canvas");73 canvas.setAttribute("class","xSli-show");74 canvas.setAttribute("id",content);75 canvas.setAttribute("data-page","1");76 block.appendChild(canvas);77 /* if block was just made, don't try to load pdf */78 if (content !== "") {79 PDFJS.getDocument(deparseBlock(content)).then(function(pdfObj) {80 slideObj.g.pdfObjects[content] = pdfObj;81 var tag = block.childNodes[0];82 slideObj.f.renderPDF(pdfObj,1,tag);83 });84 }85 /* event listener for changing slides left & right */86 block.onmouseup = function(event) {87 var X = event.pageX - this.offsetLeft;88 /// var Y = event.pageY - this.offsetTop;89 /* get the <canvas> tag, current page, pdf url/id, and the pdf total page count */90 var canvas = this.childNodes[0];91 var pageNum = canvas.getAttribute("data-page");92 var pdfID = canvas.getAttribute("id");93 var pageCount = slideObj.g.pdfObjects[pdfID].numPages;94 /* determine whether left or right side was clicked, then render prev or next page */95 if(X > this.offsetWidth / 1.7) {96 if(pageNum < pageCount) {97 pageNum++;98 canvas.setAttribute("data-page",pageNum);99 slideObj.f.renderPDF(slideObj.g.pdfObjects[pdfID],pageNum,canvas);100 }101 } else {102 if(pageNum > 1) {103 pageNum--;104 canvas.setAttribute("data-page",pageNum);105 slideObj.f.renderPDF(slideObj.g.pdfObjects[pdfID],pageNum,canvas);106 }107 }108 };109 return block;110 };111 this.styleBlock = function() {112 var stylestr = `.xSli, .xSli-show {113 display: inline-block;114 width: 100%;115 height: 100%;116 border: 1px solid black;117 border-radius: 2px;118 padding: 0px;119 margin: 0px;120 box-sizing: border-box;121 }`;122 return stylestr;123 };124 this.f = {125 renderPDF: function(pdfDoc,pageNum,canvas) {126 /*127 pdfDoc - pdf object from pdfObject global array128 pageNum - pdf page to render, found in data-page attribute of <canvas>129 canvas - the <canvas> tag to render pdf page to130 */131 /// I have no idea what scale does, but it's needed132 var scale = 0.8;133 /* call pdfDoc object's getPage function to get desired page to render */134 pdfDoc.getPage(pageNum).then(function(page) {135 /* define <canvas> attributes */136 var viewport = page.getViewport(scale);137 canvas.height = viewport.height;138 canvas.width = viewport.width;139 /* define more <canvas> attributes for render() function */140 var renderContext = {141 canvasContext: canvas.getContext('2d'),142 viewport: viewport143 };144 /* finally, render the pdf page to canvas */145 var renderTask = page.render(renderContext);146 renderTask.promise.then(function() {147 /// update stuff here, page has been rendered148 });149 });150 }151 };152 153 this.g = {154 pdfObjects: {}155 };...
pdfOverview.js
Source:pdfOverview.js
1//#region Import2import React from 'react'3import Card from '../components/card';4import {pdfObjectList} from '../objects/pdfObjects';5import { withRouter, Link } from "react-router-dom";6import { Row, Col } from 'antd';7//#endregion8function pdfOverview() {9 //#region HTML code10 return ( 11 <div>12 <Row gutter={[48, 48]} align="center">13 <Col xs={24} xl={12}>14 <Link to="/doc/parkering">15 <Card prop={pdfObjectList.pdfObjects[0]}></Card>16 </Link>17 </Col>18 <Col xs={24} xl={12}>19 <Link to="/doc/reglement">20 <Card prop={pdfObjectList.pdfObjects[1]}></Card>21 </Link>22 </Col>23 <Col xs={24} xl={12}>24 <Link to="/doc/plejebeskrivelse">25 <Card prop={pdfObjectList.pdfObjects[2]}></Card>26 </Link>27 </Col>28 <Col xs={24} xl={12}>29 <Link to="/doc/resume">30 <Card prop={pdfObjectList.pdfObjects[3]}></Card>31 </Link>32 </Col>33 <Col xs={24} xl={12}>34 <Link to="/doc/vedtægter">35 <Card prop={pdfObjectList.pdfObjects[4]}></Card>36 </Link>37 </Col>38 <Col xs={24} xl={12}>39 <Link to="/doc/budget">40 <Card prop={pdfObjectList.pdfObjects[5]}></Card>41 </Link>42 </Col>43 <Col xs={24} xl={12}>44 <Link to="/doc/udbudsmateriale">45 <Card prop={pdfObjectList.pdfObjects[6]}></Card>46 </Link> 47 </Col>48 </Row>49 </div>50 );51 //#endregion52}...
Using AI Code Generation
1var pdf = PDFObjects.create();2var pdf_url = pdf.open("test.pdf");3var pdf_url2 = pdf.open("test2.pdf");4var pdf_url3 = pdf.open("test3.pdf");5var pdf_url4 = pdf.open("test4.pdf");6var pdf_url5 = pdf.open("test5.pdf");7var pdf_url6 = pdf.open("test6.pdf");8var pdf_url7 = pdf.open("test7.pdf");9var pdf_url8 = pdf.open("test8.pdf");10var pdf_url9 = pdf.open("test9.pdf");11var pdf_url10 = pdf.open("test10.pdf");12var pdf_url11 = pdf.open("test11.pdf");13var pdf_url12 = pdf.open("test12.pdf");14var pdf_url13 = pdf.open("test13.pdf");15var pdf_url14 = pdf.open("test14.pdf");16var pdf_url15 = pdf.open("test15.pdf");17var pdf_url16 = pdf.open("test16.pdf");18var pdf_url17 = pdf.open("test17.pdf");19var pdf_url18 = pdf.open("test18.pdf");20var pdf_url19 = pdf.open("test19.pdf");21var pdf_url20 = pdf.open("test20.pdf");22var pdf_url21 = pdf.open("test21.pdf");23var pdf_url22 = pdf.open("test22.pdf");24var pdf_url23 = pdf.open("test23.pdf");25var pdf_url24 = pdf.open("test24.pdf");26var pdf_url25 = pdf.open("test25.pdf");27var pdf_url26 = pdf.open("test26.pdf");28var pdf_url27 = pdf.open("test27.pdf");29var pdf_url28 = pdf.open("test28.pdf");30var pdf_url29 = pdf.open("test29.pdf");31var pdf_url30 = pdf.open("test30.pdf");32var pdf_url31 = pdf.open("test31.pdf");33var pdf_url32 = pdf.open("test32.pdf");34var pdf_url33 = pdf.open("test33.pdf");35var pdf_url34 = pdf.open("test34.pdf");36var pdf_url35 = pdf.open("test35.pdf");37var pdf_url36 = pdf.open("test36.pdf");38var pdf_url37 = pdf.open("test37.pdf");39var pdf_url38 = pdf.open("test38.pdf");40var pdf_url39 = pdf.open("test39.pdf");41var pdf_url40 = pdf.open("test40.pdf");42var pdf_url41 = pdf.open("test41.pdf");
Using AI Code Generation
1function runTest() {2 var url = 'resources/pdfobject.pdf';3 var pdf = PDFObject.embed(url, '#pdf');4 if (pdf) {5 async_test(function (t) {6 pdf.promise.then(function (pdf) {7 t.step(function () {8 assert_equals(pdf.numPages, 1, 'PDF should have 1 page');9 });10 t.done();11 });12 }, 'PDFObject should be able to embed a PDF');13 }14}
Using AI Code Generation
1var pdfobjects = require('pdfobjects');2module.exports = function (page, callback) {3 var pdf = new pdfobjects(page);4 var result = pdf.getObjects();5 callback(null, result);6};7 var pdfobjects = require('pdfobjects');8 window.onload = function(){9 var pdf = new pdfobjects(document);10 var result = pdf.getObjects();11 console.log(result);12 };13### PDFObjects(page)14### PDFObjects.getObjects()15MIT © [Rahul Singh](
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