You could also lookup NSAttributedString in the Apple SDK references available through Xcode. jonprescott (Jonathan Prescott) July 18, 2020, 7:18pm 3. The contents of pdfView does not change with us, so I marked it with the document variable and also initialized with init (). The question is about Apple frameworks, not Swift itself. Fetch a Document object from PDFDocument class by providing the URL/File path of your pdf file. How to provide ECMAScript 5 (ES 5)-shim Google DFP ads in email behaving strangely. Generate pdf file using pdfkit and send it to browser in nodejs-expressjs. The only variable to be injected is pdfUrl, while the rest, document and outline, are accessible through a local class area and can be initiated via init (). For viewing a PDF file or document using PDFKit, only two steps are required for Swift, and in the case of SwiftUI framework, an additional step is needed. Swift Time Delay Call Main Thread: Best Practices for Efficient and Responsive Code. That is why I chose Initializer Injection, rather than Property Injection or Method Injection. and thus find out number of elements per page. PDFKit comes with a built-in class called PDFDocument, which allows us to load and parse PDF documents. To call it you should pull out the URL to a resource in your bundle or another local PDF file. When creating the URL variable in PDFViewController, we made it immutable. Create a new Swift file called Cocktail.swift by right clicking on the Margaritas PDFKit Group and click on New File: Call the file Cocktail. For counting the number of items per page you could use the formula: pageRectangle.height / rowHeight. To make things easy for you, heres a pre-made method you can use that takes a URL to a PDF and returns either a rendered image or nil if it failed. Įveryone who is interested, welcome under cat.Ĭreating PDFViewController with Initializer Injection PDFKit appeared in iOS 11, and it has 3 great features about which I would like to tell you in the process of creating Reader eBook application: Paging, displaying the contents and page icon. ![]() ![]() ![]() Good day! I present to your attention the continuation of the article “Download, save and view PDF in Swift”, as the author promised - we will take a closer look at PDFKit.
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