Swift pdf thumbnail

import PDFKit

func pdfThumbnail(url: URL, width: CGFloat = 240) -> UIImage? {
  guard let data = try? Data(contentsOf: url),
  let page = PDFDocument(data: data)?.page(at: 0) else {
    return nil
  }

  let pageSize = page.bounds(for: .mediaBox)
  let pdfScale = width / pageSize.width

  // Apply if you're displaying the thumbnail on screen
  let scale = UIScreen.main.scale * pdfScale
  let screenSize = CGSize(width: pageSize.width * scale, 
                          height: pageSize.height * scale)

  return page.thumbnail(of: screenSize, for: .mediaBox)
}

Source: stackoverflow.com

Similar codes

7 votes318 views2 answers
Increase the size of the image in Swiftui
Swift
0 vote228 views1 answer
Swift initialize array with size
Swift
5 votes262 views2 answers
Disable dark mode swift
Swift
0 vote233 views1 answer
Duplicate modifier swiftui error
Swift
0 vote225 views1 answer
Defer swift
Swift
0 vote225 views1 answer
How to make text selectable swiftui
Swift
0 vote234 views2 answers
Update parent vc from child controller swift 5
Swift
0 vote215 views1 answer
Make text autoresize swiftui
Swift
6 votes254 views1 answer
Create dictionary swift
Swift
0 vote229 views2 answers
How to set the center in view in swift
Swift