SwiftyPDF
Technical features
- Paging with system UIPageViewController
- Zooming with UIScrollView
- Renders the PDF fast by converting the page to placeholder image
- PDF page is scaled and divided into small tiles. Tiles are cached and saved to image files. They are rendered over the placeholder image using the CATiledLayer
- Using the NSOperationQueue for generating images in background
How to open pdf file
let path = NSBundle.mainBundle().pathForResource("sample", ofType: "pdf")!
let url = NSURL(fileURLWithPath: path)
let pdfViewController = UIStoryboard(name: "Pdf", bundle: nil).instantiateInitialViewController() as! PdfViewController
pdfViewController.url = url
presentViewController(pdfViewController, animated: true, completion: nil)