import UIImagePlusPDF

let imageView = UIImageView()
let image = UIImage.pdfImage(with: "imageName")
imageView.image = image

//with custom width 
UIImage.pdfImage(with: "imageName", width: 350)
//with custom height
UIImage.pdfImage(with: "imageName", height: 350)
//with custom size
UIImage.pdfImage(with: "imageName", size: CGSize(width: 300, height:  400))
//with page number
UIImage.pdfImage(with: "multipage pdf file", width: 300, pageNumber: 2)
//same options with resource url
UIImage.pdfImage(with: URL(string: "path"))

//using NSCache
//default is true
UIImage.pdfCacheInMemory = true

//default is false
UIImage.pdfCacheOnDisk = true

//all cache
UIImage.removeAllPDFCache()
//all memory cache
UIImage.removeAllPDFMemoryCache()
//all disk cache
UIImage.removeAllPDFDiskCache()
//memory cached pdf with name
UIImage.removeMemoryCachedPDFImage(
    with: "pdf name", 
    size: imageSize, 
    pageNumber: 1 /*optional, default is 1*/
)
//memory cached pdf with url
UIImage.removeMemoryCachedPDFImage(
    with: URL(string: "path"), 
    size: imageSize, 
    pageNumber: 1 /*optional, default is 1*/
)
//disk cached pdf with name
UIImage.removeDiskCachedPDFImage(
    with: "pdf name", 
    size: imageSize, 
    pageNumber: 1 /*optional, default is 1*/
)
//disk cached pdf with url
UIImage.removeDiskCachedPDFImage(
    with: URL(string: "path"), 
    size: imageSize, 
    pageNumber: 1 /*optional, default is 1*/
)