cgpdfdocument

Hi I have a CGPDFDocument object. I want to open this document by either showing it in my app or using an external application. Here is the code I have so far. in SWIFT let cfData = CFDataCreate(kCFAllocatorDefault, UnsafePointer<UInt8>(data.File.bytes), data.File.length) let cgDataProvider = CGDataProviderCreateWithCFData(cfData) let cgPDFDocument = CGPDFDocumentCreateWithProvider(cgDataProvider) Nilo0f4r with help from this answer in objective-c, here is a working example in swift: override func draw(_ rect: CGRect) { super.draw(rect) let context: CGContext = UIGraphicsGetCurrentContext()!

Is it possible to retrieve the name of a document from a CGPDFDocumentRef By "name of a document", do you mean the document filename or title? If the document "title" is included in the metadata it can be retrieved like this: char *titleKey = "Title"; CGPDFStringRef titleStringRef; CGPDFDictionaryRef info = CGPDFDocumentGetInfo(myDocumentRef); CGPDFDictionaryGetString(info, titleKey, &titleStringRef); const unsigned char *titleCstring = CGPDFStringGetBytePtr(titleStringRef); printf("title: %s", titleCstring); The other keys are listed in section 10.2 of the PDF 1.7 specification: Adobe PDF

I am generating PDF's in my app. I want to give the best security to these pdf's generated through my app. I have added the default security options provided by Apple, like Owner password, allow copying, allow printing etc... But I would like to add my certificate information or call it as Digitally sign the pdf's using the custom certificate(X.509 certificate) files. Does security framework help in any way ? or How can this be achieved? Unfortunately, iOS doesn't seem to provide this feature natively . Searching for a library that will apply a digital signature to a PDF is difficult, as many

Is it possible to get access to "internal" links in PDF documents using CGPDFDocument , or other means? I'm building a simple reader app and would like to deliver my content in PDF form, but if I can't support links between pages in the doc this probably isn't going to work. This question is similar, but does not address the issue of how to support hyperlinks. jbm See my answer here . Basically, you'll need to get familiar with PDF link annotations. see this sample code...pdf hyperlinks works in this https://github.com/vfr/Reader If you're using Quartz to open and view a PDF , then yes, it