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//Create empty PDF context on iPhone for later randering in it

-(CGContextRef) createPDFContext:(CGRect)inMediaBox path:(CFStringRef) path

{

    CGContextRef myOutContext = NULL;

    CFURLRef url;

    url = CFURLCreateWithFileSystemPath (NULL, // 1

path,

kCFURLPOSIXPathStyle,

false);

    if (url != NULL) {

        myOutContext = CGPDFContextCreateWithURL (url,// 2

  &inMediaBox,

  NULL);

        CFRelease(url);// 3

    }

    return myOutContext;// 4

}

NSArray *paths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES);

NSString *documentsDirectory = [paths objectAtIndex:0];

NSString *writableDBPath = [documentsDirectory stringByAppendingPathComponent:@"tmp.pdf"];

CGContextRef pdfContext = [self createPDFContext:scrolledView.bounds path:(CFStringRef)writableDBPath];

NSLog(@"PDF Context created");

CGContextBeginPage (pdfContext,nil); // 6

//turn PDF upsidedown

CGAffineTransform transform = CGAffineTransformIdentity;

transform = CGAffineTransformMakeTranslation(0, scrolledView.bounds.size.height);

transform = CGAffineTransformScale(transform, 1.0, -1.0);

CGContextConcatCTM(pdfContext, transform);

//Draw view into PDF

[scrolledView.layer renderInContext:pdfContext];

CGContextEndPage (pdfContext);// 8

CGContextRelease (pdfContext);

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