ByteScout Premium Suite - JavaScript - Draw text, images and lines in pdf with pdf generator sdk for javascript - ByteScout

ByteScout Premium Suite – JavaScript – Draw text, images and lines in pdf with pdf generator sdk for javascript

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How to draw text, images and lines in pdf with pdf generator sdk for javascript in JavaScript and ByteScout Premium Suite

If you want to learn more then this tutorial will show how to draw text, images and lines in pdf with pdf generator sdk for javascript in JavaScript

ByteScout simple and easy to understand tutorials are planned to describe the code for both JavaScript beginners and advanced programmers. Want to draw text, images and lines in pdf with pdf generator sdk for javascript in your JavaScript app? ByteScout Premium Suite is designed for it. ByteScout Premium Suite is the bundle that includes twelve SDK products from ByteScout including tools and components for PDF, barcodes, spreadsheets, screen video recording.

The SDK samples given below describe how to quickly make your application do draw text, images and lines in pdf with pdf generator sdk for javascript in JavaScript with the help of ByteScout Premium Suite. This JavaScript sample code is all you need for your app. Just copy and paste the code, add references (if needs to) and you are all set! If you want to use these JavaScript sample examples in one or many applications then they can be used easily.

You can download free trial version of ByteScout Premium Suite from our website with this and other source code samples for JavaScript.

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checkdatauri.js
      
// checks if we have datauri support in current browser // if we have support for datauri support then we can stream generated PDF right into the browser // otherwise we should use Downloadify script to allow user to save PDF file function CheckDataURISupport(){ var result = true; var checkDataURISupportImage = new Image(); checkDataURISupportImage.onload = checkDataURISupportImage.onerror = function(){ if(this.width != 1 || this.height != 1){ result = false; } } checkDataURISupportImage.src = "data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs="; // check if we have datauri support in current browser - end return result; }

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createpdf.js
      
// function that creates BytescoutPDF instance (defined in BytescoutPDF.js script which have to be included into the same page) // then calls API methods and properties to create PDF document // and returns created BytescoutPDF object instance // this CreatePDF() function is called from Sample.html // IsInternetExplorer8OrLower parameter indicates if we use IE8 or lower so we CAN'T use images (as it requires HTML5 Canvas available in IE9 or higher). Other browsers should be working fine // IMPORTANT ABOUT IMAGES: // When using Firefox or IE, pdf generation may fail because images are not accessible when pdf generation works // the solution for this issue is to preload images in main HTML document before running PDF generation // to preload images, put them into hidden div block "pdfreportimages" - you can see it in the sample.html right after <body> opening tag function CreatePDF(IsInternetExplorer8OrLower) { // create BytescoutPDF object instance var pdf = new BytescoutPDF(); // set document properties: Title, subject, keywords, author name and creator name pdf.propertiesSet("Sample document title", "Sample subject", "keyword1, keyword 2, keyword3", "Document Author Name", "Document Creator Name"); // set page size pdf.pageSetSize(BytescoutPDF.Letter); // set page orientation pdf.pageSetOrientation(true); // add new page pdf.pageAdd(); pdf.fontSetName('Helvetica'); pdf.fontSetStyle(false, false, false); for (var i = 0; i < 5; i++) { pdf.fontSetSize(10 + i * 4); pdf.textAdd(20 + 70 * i, 20, 'hola'); } pdf.fontSetStyle(false, true, true); pdf.textAdd(50, 50, 'hello'); pdf.fontSetStyle(true, true, true); pdf.textAdd(250, 50, 'hello'); pdf.pageSetOrientation(false); pdf.pageAdd(); pdf.fontSetName('Times-Roman'); pdf.textAdd(20, 70, 'hello'); pdf.fontSetStyle(true, false, true); pdf.textAdd(100, 70, 'hello'); pdf.fontSetStyle(false, true, true); pdf.textAdd(190, 70, 'hello'); pdf.fontSetStyle(true, true, true); pdf.textAdd(280, 70, 'hello'); pdf.fontSetName('Courier'); pdf.textAdd(20, 90, 'hello'); pdf.fontSetStyle(true, false, false); pdf.textAdd(100, 90, 'hello'); pdf.fontSetStyle(false, true, false); pdf.textAdd(190, 90, 'hello'); pdf.fontSetStyle(true, true, true); pdf.textAdd(280, 90, 'hello'); for (var j = 0; j < 50; j++) { pdf.graphicsSetColor(j * 5, 0, 250 - j * 5); pdf.graphicsSetLineWidth(1 + j / 25); pdf.graphicsDrawLine(20, 120 + j * 4, 120, 120 + j * 4); } pdf.textAdd(200, 150, 'hello'); pdf.pageSetOrientation(true); pdf.pageAdd(); // we can use images only if we are on IE9 or higher (or non-IE browser) if (!IsInternetExplorer8OrLower) { pdf.imageLoadFromUrl('image1.jpg'); pdf.imagePlace(20, 40); pdf.imageLoadFromUrl('image2.jpg'); pdf.imagePlace(120, 220); } // return BytescoutPDF object instance return pdf; }

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60 Day Free Trial or Visit ByteScout Premium Suite Home Page

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