My #iOS PDF programming posts are coming to and end. This last tells you how to to finish it.

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I've combined the iPhone 4 Development Essesials for XCode  Chapters 32 and 33, with  Apple's print tutorial for iOS. Most of it is wrapped into the following savePdfFile method:


- (IBAction)savePDFFile:(id)sender

{

    NSString* path = [[NSBundle mainBundle] pathForResource:@"sampleData" ofType:@"plist"];

    

    // get a temprorary filename for this PDF

    path = NSTemporaryDirectory();

    self.pdfFilePath = [path stringByAppendingPathComponent:

                        [NSString stringWithFormat:@"%d.pdf", 

                         [[NSDate date] 

                          timeIntervalSince1970] ]];

    

    // Prepare the text using a Core Text Framesetter

    CFAttributedStringRef currentText = CFAttributedStringCreate(NULL, 

                                                                 (CFStringRef)textView.text, NULL);

    if (currentText) {

        CTFramesetterRef framesetter = CTFramesetterCreateWithAttributedString(currentText);

        if (framesetter) {

            

            NSString* pdfFileName = self.pdfFilePath; //[NSString stringWithString:@"test.pdf"];

            

            // Create the PDF context using the default page: currently constants at the size 

            // of 612 x 792.

            UIGraphicsBeginPDFContextToFile(pdfFileName, CGRectZero, nil);

            

            CFRange currentRange = CFRangeMake(0, 0);

            NSInteger currentPage = 0;

            BOOL done = NO;

            

            do {

                // Mark the beginning of a new page.

                UIGraphicsBeginPDFPageWithInfo(CGRectMake(0, 0, kDefaultPageWidth, 

                                                          kDefaultPageHeight), nil);

                

                // Draw a page number at the bottom of each page

                currentPage++;

                [self drawPageNumber:currentPage];

                

                // Render the current page and update the current range to

                // point to the beginning of the next page.

                currentRange = [self renderPage:currentPage withTextRange:

                                currentRange andFramesetter:framesetter];

                

                // If we're at the end of the text, exit the loop.

                if (currentRange.location == CFAttributedStringGetLength

                    ((CFAttributedStringRef)currentText))

                    done = YES;

            } while (!done);

            

            // Close the PDF context and write the contents out.

            UIGraphicsEndPDFContext();

            

            // Release the framewetter.

            CFRelease(framesetter);

            

        } else {

            NSLog(@"Could not create the framesetter needed to lay out the atrributed string.");

        }

        // Release the attributed string.

        CFRelease(currentText);

    } else   NSLog(@"Could not create the attributed string for the framesetter");

}


The whole source is available at https://github.com/mortjac/PDF-tutorial. So now you can contribute and make the project better. Thank you for patiently reading my posts!

       

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