I want to create a PDF file from the contents of a UIScrollView.
func createPdfFromView(aView: UIView, saveToDocumentsWithFileName fileName: String) {
let pdfData = NSMutableData()
let height = 1754.0
let width = 1240.0
UIGraphicsBeginPDFContextToData(pdfData, CGRect(x:-30, y:15,width:width,height:height) , nil)
UIGraphicsBeginPDFPage()
guard let pdfContext = UIGraphicsGetCurrentContext() else { return }
aView.layer.render(in: pdfContext)
UIGraphicsEndPDFContext()
if let documentDirectories = NSSearchPathForDirectoriesInDomains(.documentDirectory, .userDomainMask, true).first {
let documentsFileName = documentDirectories + "/" + fileName
debugPrint(documentsFileName)
pdfData.write(toFile: documentsFileName, atomically: true)
}
}
I would expect that the code generates a PDF oriented on the size of the content in the scrollview.
The code currently only generates a static PDF. If the content in the scrollview is bigger than the PDF page, the content is cut off.
func createPdfFromView()
{
// Set frame as per content of view
self.spreadsheetView.frame = CGRect(x: 0, y: 0, width: self.spreadsheetView.contentSize.width, height: self.spreadsheetView.contentSize.height)
let pdfPageBounds: CGRect = self.spreadsheetView.frame
let pdfData: NSMutableData = NSMutableData()
// Rendering spreadsheetView
UIGraphicsBeginPDFContextToData(pdfData, pdfPageBounds, nil)
UIGraphicsBeginPDFPageWithInfo(pdfPageBounds, nil)
self.spreadsheetView.layer.render(in: UIGraphicsGetCurrentContext()!)
UIGraphicsEndPDFContext()
let documentDirectories = NSSearchPathForDirectoriesInDomains(.documentDirectory, .userDomainMask, true).first
let documentsFileName = documentDirectories! + "/" + "pdfName.pdf"
pdfData.write(toFile: documentsFileName, atomically: true)
print(documentsFileName)
// Reset spreadsheetView
self.spreadsheetView.frame = CGRect(x: 0, y: 64, width: self.view.frame.width, height: self.view.frame.height)
self.spreadsheetView.layoutSubviews()
self.spreadsheetView.layoutIfNeeded()
self.spreadsheetView.reloadData()}
Hope it will help you to create PDF from the spreadsheet.
Ref. Github code Link: SpreadsheetView
I could achieve this using this Cocoapods framework. In my case I wanted to make a PDF from Spreadsheet , so that this framework help me to add table with different column size and many more features which I had wanted from my data.
https://cocoapods.org/pods/SimplePDF
Related
I am working on the HtmltoPDF creation. It is working fine when some image URL but not working with my server image URL.
Working URL downloaded from the google
Issue in the server image URL
I have put here my code for the pdf generation. Please find it
func exportHTMLContentToPDF(HTMLContent: String) -> String {
let printPageRenderer = IPPrintPageRenderer()
let printFormatter = UIMarkupTextPrintFormatter(markupText: HTMLContent)
printPageRenderer.addPrintFormatter(printFormatter, startingAtPageAt: 0)
let pdfData = drawPDFUsingPrintPageRenderer(printPageRenderer: printPageRenderer)
let str = "\(Global.kretriveUserData().firstName!.firstCharacter!)\(Global.kretriveUserData().Name!.firstCharacter!)".uppercased()
pdfFilename = "\(getDocDir())/\(str + invoiceNumber!).pdf"
pdfData?.write(toFile: pdfFilename, atomically: true)
print(pdfFilename)
return pdfFilename
}
func drawPDFUsingPrintPageRenderer(printPageRenderer: UIPrintPageRenderer) -> NSData! {
let data = NSMutableData()
UIGraphicsBeginPDFContextToData(data, CGRect.zero, nil)
for i in 0..<printPageRenderer.numberOfPages {
UIGraphicsBeginPDFPage()
printPageRenderer.drawPage(at: i, in: UIGraphicsGetPDFContextBounds())
}
UIGraphicsEndPDFContext()
return data
}
func getDocDir() -> String {
return NSSearchPathForDirectoriesInDomains(.documentDirectory, .userDomainMask, true)[0]
}
You can find a full demo here.
Thanks,
To generate a pdf from a webView you need to prepare your HTML code, create the WebView and inject the HTML code inside the webView and in webView didFinishLoading print the HTML content inside the pdf using the same width and height of the webView.
func webViewDidFinishLoad(_ webView: UIWebView) {
let render = UIPrintPageRenderer()
render.addPrintFormatter(webView.viewPrintFormatter(), startingAtPageAt: 0);
let page = CGRect(x: 0, y: 10, width: webView.frame.size.width, height: webView.frame.size.height) // take the size of the webView
let printable = page.insetBy(dx: 0, dy: 0)
render.setValue(NSValue(cgRect: page), forKey: "paperRect")
render.setValue(NSValue(cgRect: printable), forKey: "printableRect")
// 4. Create PDF context and draw
let pdfData = NSMutableData()
UIGraphicsBeginPDFContextToData(pdfData, CGRect.zero, nil)
for i in 1...render.numberOfPages {
UIGraphicsBeginPDFPage();
let bounds = UIGraphicsGetPDFContextBounds()
render.drawPage(at: i - 1, in: bounds)
}
UIGraphicsEndPDFContext();
let documentsPath = NSSearchPathForDirectoriesInDomains(.documentDirectory, .userDomainMask, true)[0]
print(documentsPath)
pdfData.write(toFile: "\(documentsPath)/pdfName.pdf", atomically: true)
self.pdfPath = "\(documentsPath)/pdfName.pdf"
self.pdfTitle = "pdfName"
self.performSegue(withIdentifier: "showPDFSegue", sender: nil)
webView.removeFromSuperview()
self.loadingScreenViewController.view.removeFromSuperview()
}
Happy coding:)
I have create pdf of tableview all cells. but i have create the pdf it does not show all data of tableview & also when pdf page height set according to cells data. I dont know how to resolve this issue. I am using this code for create pdf.please help me.
let _: NSData!
do {
let priorBounds = table_view.bounds
let fittedSize = table_view.sizeThatFits(CGSizeMake(priorBounds.size.width, .infinity))
table_view.bounds = CGRectMake(0, 0, fittedSize.width, fittedSize.height)
let pdfPageBounds = CGRectMake(0, 0, 612, 800)
let pdfData = NSMutableData()
UIGraphicsBeginPDFContextToData(pdfData, pdfPageBounds, nil)
do {
var pageOriginY = 0
while pageOriginY < Int(fittedSize.height) {
UIGraphicsBeginPDFPageWithInfo(pdfPageBounds, nil)
CGContextSaveGState(UIGraphicsGetCurrentContext()!)
do {
CGContextTranslateCTM(UIGraphicsGetCurrentContext()!, 0, -CGFloat(pageOriginY))
table_view.layer.renderInContext(UIGraphicsGetCurrentContext()!)
}
CGContextRestoreGState(UIGraphicsGetCurrentContext()!)
pageOriginY += Int(pdfPageBounds.size.height)
}
}
UIGraphicsEndPDFContext()
table_view.bounds = priorBounds
if let documentDirectories = NSSearchPathForDirectoriesInDomains(.DocumentDirectory, .UserDomainMask, true).first {
let documentsFileName = documentDirectories + "/" + (filename as String)
debugPrint(documentsFileName)
pdfData.writeToFile(documentsFileName, atomically: true)
}
}
Try this.
func createPdfFromTableView()
{
let priorBounds: CGRect = self.tblView.bounds
let fittedSize: CGSize = self.tblView.sizeThatFits(CGSize(width: priorBounds.size.width, height: self.tblView.contentSize.height))
self.tblView.bounds = CGRect(x: 0, y: 0, width: fittedSize.width, height: fittedSize.height)
self.tblView.reloadData()
let pdfPageBounds: CGRect = CGRect(x: 0, y: 0, width: fittedSize.width, height: (fittedSize.height))
let pdfData: NSMutableData = NSMutableData()
UIGraphicsBeginPDFContextToData(pdfData, pdfPageBounds, nil)
UIGraphicsBeginPDFPageWithInfo(pdfPageBounds, nil)
self.tblView.layer.render(in: UIGraphicsGetCurrentContext()!)
UIGraphicsEndPDFContext()
let documentDirectories = NSSearchPathForDirectoriesInDomains(.documentDirectory, .userDomainMask, true).first
let documentsFileName = documentDirectories! + "/" + "pdfName"
pdfData.write(toFile: documentsFileName, atomically: true)
print(documentsFileName)
}
One addition to Rajeskumar's answer below is as follows:
If your UITableView does not occupy the entire device screen with its original bounds, you might want to insert the following line:
self.tblview.bounds = priorBounds
after the render(in:) step. Otherwise, the table will be drawn on the device in a manner in which it will cover more space that originally intended.
Above answers did not work for creating PDF after tableview is scrolled at the bottom.
While reloading tableview(reloadData()) after scrolling, correct PDF is not generated and removing, it won't generate PDF for unloaded items.
So I have added extra condition and refactored as below:
extension UITableView {
func convertToPDF() -> Data? {
let priorBounds = self.bounds
setBoundsForAllItems()
self.layoutIfNeeded()
let pdfData = createPDF()
self.bounds = priorBounds
return pdfData.copy() as? Data
}
private func getContentFrame() -> CGRect {
return CGRect(x: 0, y: 0, width: self.contentSize.width, height: self.contentSize.height)
}
private func createPDF() -> NSMutableData {
let pdfPageBounds: CGRect = getContentFrame()
let pdfData: NSMutableData = NSMutableData()
UIGraphicsBeginPDFContextToData(pdfData, pdfPageBounds, nil)
UIGraphicsBeginPDFPageWithInfo(pdfPageBounds, nil)
self.layer.render(in: UIGraphicsGetCurrentContext()!)
UIGraphicsEndPDFContext()
return pdfData
}
private func setBoundsForAllItems() {
if self.isEndOfTheScroll() {
self.bounds = getContentFrame()
} else {
self.bounds = getContentFrame()
self.reloadData()
}
}
private func isEndOfTheScroll() -> Bool {
let contentYoffset = contentOffset.y
let distanceFromBottom = contentSize.height - contentYoffset
return distanceFromBottom < frame.size.height
}
}
Create PDF of tableview using this way
#IBAction func onClickBtnGeneratePDF(_ sender: Any) {
if enterPDFNAME.text?.isEmpty() == true{
Utility.showToast(message: "Please Enter PDF name")
}else{
self.viewOverlaySavePDF.isHidden = true
Utility.showLoading()
let pdfFilePath = tableview.exportAsPdfFromTable(pdfName: enterPDFNAME.text!)
if pdfFilePath != nil {
self.enterPDFNAME.text = ""
Utility.showToast(message: "Your PDF file saved")
Utility.hideLoading()
}
print(pdfFilePath)
}
}
}
extension UITableView {
// Export pdf from UITableView and save pdf in drectory and return pdf file path
func exportAsPdfFromTable(pdfName:String) -> String {
/* let html = "<b>Hello <i>World!</i></b> <p>Generate PDF file from HTML in Swift</p>"
let fmt = UIMarkupTextPrintFormatter(markupText: html)
// 2. Assign print formatter to UIPrintPageRenderer
let render = UIPrintPageRenderer()
render.addPrintFormatter(fmt, startingAtPageAt: 0)
// 3. Assign paperRect and printableRect
let page = CGRect(x: 0, y: 0, width: 595.2, height: 841.8) // A4, 72 dpi
let printable = page.insetBy(dx: 0, dy: 0)
render.setValue(NSValue(cgRect: page), forKey: "paperRect")
render.setValue(NSValue(cgRect: printable), forKey: "printableRect")
// 4. Create PDF context and draw
let pdfData = NSMutableData()
UIGraphicsBeginPDFContextToData(pdfData, .zero, nil)
for i in 1...render.numberOfPages {
UIGraphicsBeginPDFPage();
let bounds = UIGraphicsGetPDFContextBounds()
render.drawPage(at: i - 1, in: bounds)
}
UIGraphicsEndPDFContext();
*/
let originalBounds = self.bounds
self.bounds = CGRect(x:originalBounds.origin.x, y: originalBounds.origin.y, width: self.contentSize.width, height: self.contentSize.height)
let pdfPageFrame = CGRect(x: 0, y: 0, width: self.bounds.size.width, height: self.contentSize.height)
let pdfData = NSMutableData()
UIGraphicsBeginPDFContextToData(pdfData, pdfPageFrame, nil)
UIGraphicsBeginPDFPageWithInfo(pdfPageFrame, nil)
guard let pdfContext = UIGraphicsGetCurrentContext() else { return "" }
self.layer.render(in: pdfContext)
UIGraphicsEndPDFContext()
self.bounds = originalBounds
// Save pdf data
return self.saveTablePdf(data: pdfData,name:pdfName)
}
// Save pdf file in document directory
func saveTablePdf(data: NSMutableData,name:String) -> String {
let paths = FileManager.default.urls(for: .documentDirectory, in: .userDomainMask)
let docDirectoryPath = paths[0]
let pdfPath = docDirectoryPath.appendingPathComponent("\(name).pdf")
if data.write(to: pdfPath, atomically: true) {
return pdfPath.path
} else {
return ""
}
}
}
Only one solution for exporting all tableView items: make snapshot of every part of tableview as an image -> merge them into an imageView -> render imageView to pdf.
NOTE: It's the same way with UIScrollView & UICollectionView
func exportPDF() {
// 1. estimate tableview contentsize
UIGraphicsBeginImageContextWithOptions(tableView.contentSize, false, 0)
tableView.scrollToRow(at: IndexPath(row: 0, section: 0), at: .top, animated: false)
tableView.layer.render(in: UIGraphicsGetCurrentContext()!)
// 2. calculate number of part of tableview, loop and get snapshot
let iterationCount = Int(ceil(tableView.contentSize.height / tableView.bounds.size.height))
for i in 0..<iterationCount {
tableView.setContentOffset(CGPoint(x: 0, y: Int(tableView.bounds.size.height) * i), animated: false)
tableView.layer.render(in: UIGraphicsGetCurrentContext()!)
}
// 3. merge and make UIImageView from snapshot
let image = UIGraphicsGetImageFromCurrentImageContext()
let pdfImageView = UIImageView(image: image)
//4. render imageView to PDF
let pdfData: NSMutableData = NSMutableData()
UIGraphicsBeginPDFContextToData(pdfData, pdfImageView.bounds, nil)
UIGraphicsBeginPDFPageWithInfo(pdfImageView.bounds, nil)
pdfImageView.layer.render(in: UIGraphicsGetCurrentContext()!)
UIGraphicsEndPDFContext()
let documentDirectories = NSSearchPathForDirectoriesInDomains(.documentDirectory, .userDomainMask, true).first
let documentsFileName = documentDirectories! + "/" + "MyPDF.pdf"
pdfData.write(toFile: documentsFileName, atomically: true)
// 5. We have pdf file at documentsFileName
}
I have an app that can view a PDF that is already stored within the project. I want to be able to create a new PDF document and store it in the app directory to later view in the already existing viewer. The PDF would be created from an array var todoList: [String] = [] that is displayed on a UITableView. I know to create a PDF, I have to create a file name, path, and directory. I don't know how to do this. I saw online reference to URL and URL request, but I'm not sure if this is the correct avenue for what I want to do. Can someone please give me some advice and guidance? Everything I can find is for Objective-C.
I used this code to create and save the file (using HTML)
func createPDF() {
let html = "<b>Hello <i>World!</i></b> <p>Generate PDF file from HTML in Swift</p>"
let fmt = UIMarkupTextPrintFormatter(markupText: html)
// 2. Assign print formatter to UIPrintPageRenderer
let render = UIPrintPageRenderer()
render.addPrintFormatter(fmt, startingAtPageAt: 0)
// 3. Assign paperRect and printableRect
let page = CGRect(x: 0, y: 0, width: 595.2, height: 841.8) // A4, 72 dpi
let printable = page.insetBy(dx: 0, dy: 0)
render.setValue(NSValue(cgRect: page), forKey: "paperRect")
render.setValue(NSValue(cgRect: printable), forKey: "printableRect")
// 4. Create PDF context and draw
let pdfData = NSMutableData()
UIGraphicsBeginPDFContextToData(pdfData, .zero, nil)
for i in 1...render.numberOfPages {
UIGraphicsBeginPDFPage();
let bounds = UIGraphicsGetPDFContextBounds()
render.drawPage(at: i - 1, in: bounds)
}
UIGraphicsEndPDFContext();
// 5. Save PDF file
let documentsPath = NSSearchPathForDirectoriesInDomains(.documentDirectory, .userDomainMask, true)[0]
pdfData.write(toFile: "\(documentsPath)/file.pdf", atomically: true)
}
Then I loaded it into UIWebView from the documents directory with this code:
func loadPDF(filename: String) {
let documentsPath = NSSearchPathForDirectoriesInDomains(.documentDirectory, .userDomainMask, true)[0]
let url = URL(fileURLWithPath: documentsPath, isDirectory: true).appendingPathComponent(filename).appendingPathExtension("pdf")
let urlRequest = URLRequest(url: url)
webView.loadRequest(urlRequest)
}
For Swift 3:
createPdf() {
// 1. Create Print Formatter with input text.
let formatter = UIMarkupTextPrintFormatter(markupText: textView.text)
// 2. Add formatter with pageRender
let render = UIPrintPageRenderer()
render.addPrintFormatter(formatter, startingAtPageAt: 0)
// 3. Assign paperRect and printableRect
let page = CGRect(x: 0, y: 0, width: 595.2, height: 841.8) // A4, 72 dpi
let printable = page.insetBy(dx: 0, dy: 0)
render.setValue(NSValue(cgRect: page), forKey: "paperRect")
render.setValue(NSValue(cgRect: printable), forKey: "printableRect")
// 4. Create PDF context and draw
let rect = CGRect.zero
let pdfData = NSMutableData()
UIGraphicsBeginPDFContextToData(pdfData, rect, nil)
for i in 1...render.numberOfPages {
UIGraphicsBeginPDFPage();
let bounds = UIGraphicsGetPDFContextBounds()
render.drawPage(at: i - 1, in: bounds)
}
UIGraphicsEndPDFContext();
// 5. Save PDF file
let documentsPath = NSSearchPathForDirectoriesInDomains(.documentDirectory, .userDomainMask, true)[0]
pdfData.write(toFile: "\(documentsPath)/new.pdf", atomically: true)
print("saved success")
}
I need to generate a report as pdf an print it. Im generating a view with all the information and converting it to pdf and then showing the pdf file in a UIWebView. But when I see the Pdf file in the UIWebView, the file is not complete (a big part of the right area and the bot area are cut). I don't know if my UIView is too big when I'm converting it to Pdf or the UIWebView is cutting it.
PDF Function
func createPDFfromUIView(aView: UIView) //-> UIImage
{
let pdfData = NSMutableData()
UIGraphicsBeginPDFContextToData(pdfData, aView.frame, nil)
UIGraphicsBeginPDFPage()
let pdfContext = UIGraphicsGetCurrentContext();
aView.layer.renderInContext(pdfContext!)
UIGraphicsEndPDFContext();
let documentsDirectory: NSString = NSSearchPathForDirectoriesInDomains(.DocumentDirectory, .UserDomainMask,true)[0] as NSString
let dataPath = documentsDirectory.stringByAppendingPathComponent("/JamaWEpdf")
if (!NSFileManager.defaultManager().fileExistsAtPath(dataPath as String)) {
do{
try NSFileManager.defaultManager().createDirectoryAtPath(dataPath, withIntermediateDirectories: false, attributes: nil)
}
catch _{}
}
let filePath = "\(dataPath)entry\(entry1.entryId)pdf.pdf"
pdfData.writeToFile(filePath, atomically: true)
let webView = UIWebView()
webView.loadRequest(NSURLRequest(URL: NSURL(fileURLWithPath: filePath)))
webView.frame = self.view.frame
self.view.addSubview(webView)
}
I don't know if my approach is right. The UIView size is w: 2480 h: 3508.
I was generating the view programmatically so when this line was executed:
UIGraphicsBeginPDFContextToData(pdfData, aView.frame, nil)
the frame was not rendered or something. So instead I use a CGRect with the size I wanted and it work:
UIGraphicsBeginPDFContextToData(pdfData, CGRect(x: 0, y: 0, width: 2480, height: 3508), nil)
I need to create a PDF from UICollectionView full content. I am currently able to create a pdf from UICollectionView Visible part. Please, help me i want to display whole content of collection view.
This is how I solved it. (Swift 3.x)
class PdfTools {
func generatePdfFromCollectionView(_ collectionView: UICollectionView?, filename:String, success:(String) -> ()) {
guard let collectionView = collectionView else {
return
}
let pdfData = NSMutableData()
let contentArea = CGRect(
x: 0,
y: 0,
width: collectionView.contentSize.width,
height: collectionView.contentSize.height
)
collectionView.frame = contentArea
UIGraphicsBeginPDFContextToData(pdfData, contentArea, nil)
UIGraphicsBeginPDFPage()
collectionView.drawHierarchy(in: collectionView.bounds, afterScreenUpdates: true)
UIGraphicsEndPDFContext()
if let filepath = NSSearchPathForDirectoriesInDomains(.documentDirectory, .userDomainMask, true).first {
let fileFullPath = filepath + "/" + filename
if pdfData.write(toFile: fileFullPath, atomically: true) {
success(fileFullPath)
}
}
}
}
This is how you use it.
let pdfTool = PdfTool()
pdfTool.generatePdfFromCollectionView(self.collectionView, filename: "myFancy.pdf") { (filename) in
// use your pdf here
}