ByteScout Premium Suite – JavaScript – Set pdf page size with pdf generator sdk for javascript

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ByteScout Premium Suite – JavaScript – Set pdf page size with pdf generator sdk for javascript

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ByteScout-Premium-Suite-JavaScript-Set-pdf-page-size-with-pdf-generator-sdk-for-javascript.pdf

How to set pdf page size with pdf generator sdk for javascript in JavaScript using ByteScout Premium Suite

Learn to set pdf page size with pdf generator sdk for javascript in JavaScript

This sample source code below will display you how to set pdf page size with pdf generator sdk for javascript in JavaScript. ByteScout Premium Suite is the set that includes 12 SDK products from ByteScout including tools and components for PDF, barcodes, spreadsheets, screen video recording. It can be applied to set pdf page size with pdf generator sdk for javascript using JavaScript.

Want to quickly learn? This fast application programming interfaces of ByteScout Premium Suite for JavaScript plus the guidelines and the code below will help you quickly learn how to set pdf page size with pdf generator sdk for javascript. Simply copy and paste in your JavaScript project or application you and then run your app! Use of ByteScout Premium Suite in JavaScript is also described in the documentation included along with the product.

You can download free trial version of ByteScout Premium 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();

    // 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.
    // select one of predefined page sizes:
    // BytescoutPDF.A0 
	// BytescoutPDF.A1
    // BytescoutPDF.A2 
	// BytescoutPDF.A3
	// BytescoutPDF.A4
	// BytescoutPDF.A5 
	// BytescoutPDF.A6 
	// BytescoutPDF.A7 
	// BytescoutPDF.Letter
	// BytescoutPDF.Legal 
	// BytescoutPDF.Executive
	// BytescoutPDF.JisB5 
    pdf.pageSetSize(BytescoutPDF.Letter);

    // or you may set CUSTOM page size, for example set to 5x7 inches
    // pdf.pageSetWidth(5*72); // 5 inches * 72 DPI (dots per inch)
    // pdf.pageSetHeight(7*72); // 7 inches * 72 DPI 

    // set page orientation (PORTRAIT or LANDSCAPE)
    pdf.pageSetOrientation(BytescoutPDF.PORTRAIT); 

    // add new page
    pdf.pageAdd();
    
    pdf.textAdd(50, 50, '"Letter" page size', 0);

    // return BytescoutPDF object instance
    return pdf;
}