ByteScout PDF Suite – Javascript – Set pdf document properties with pdf generator sdk for javascript

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ByteScout PDF Suite – Javascript – Set pdf document properties with pdf generator sdk for javascript

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ByteScout-PDF-Suite-Javascript-Set-pdf-document-properties-with-pdf-generator-sdk-for-javascript.pdf

How to set pdf document properties with pdf generator sdk for javascript in Javascript with ByteScout PDF Suite

Learning is essential in computer world and the tutorial below will demonstrate how to set pdf document properties with pdf generator sdk for javascript in Javascript

These sample source codes on this page below are displaying how to set pdf document properties with pdf generator sdk for javascript in Javascript. ByteScout PDF Suite is the set that includes 6 SDK products to work with PDF from generating rich PDF reports to extracting data from PDF documents and converting them to HTML. This bundle includes PDF (Generator) SDK, PDF Renderer SDK, PDF Extractor SDK, PDF to HTML SDK, PDF Viewer SDK and PDF Generator SDK for Javascript. It can set pdf document properties with pdf generator sdk for javascript in Javascript.

These Javascript code samples for Javascript guide developers to speed up coding of the application when using ByteScout PDF Suite. Follow the instructions from scratch to work and copy the Javascript code. Use of ByteScout PDF Suite in Javascript is also described in the documentation included along with the product.

You can download free trial version of ByteScout PDF Suite from our website to see and try many others 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();

    var documentTitle = "Sample document title";
    var documentSubject = "Sample subject";
    var documentkeywords = "keyword1, keyword 2, keyword3";
    var documentAuthor = "Document Author Name";
    var documentCreator = "Document Creator Name";

    // set document properties: Title, subject, keywords, author name and creator name
    pdf.propertiesSet(documentTitle, documentSubject, documentkeywords, documentAuthor, documentCreator);

    // add empty page
    pdf.pageAdd();
    
    pdf.textAdd(20, 20, 'Document properties are set.', 0);

    // return BytescoutPDF object instance
    return pdf;
}