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PORead Pdf data from webView
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copied!<p>I am using both approaches by reading inner HTML content of a webView and by reading AsciiString but in both approaches when i convert it into PDF formate data truncates. Please look my code and tell me where i am wrong.</p> <pre><code>-(NSData *)createPDFfromUIWebView:(UIWebView*)webView saveToDocumentsWithFileName:(NSString*)aFilename { // Creates a mutable data object for updating with binary data, like a byte array [self removeFileByName]; // NSString *heightStr = [webView stringByEvaluatingJavaScriptFromString:@"document.body.scrollHeight;"]; // NSString *heightStr = [webView stringByEvaluatingJavaScriptFromString:@"document.body.innerHTML"]; // NSString *heightStr = [webView stringByEvaluatingJavaScriptFromString:@"document.documentElement.outerHTML"]; // NSString *heightStr = (NSString *)[webView stringByEvaluatingJavaScriptFromString:@"getParam();"]; // NSString *heightStr = (NSString *)[webView stringByEvaluatingJavaScriptFromString:@"document.documentElement.innerText;"]; // NSString *heightStr = [webView stringByEvaluatingJavaScriptFromString:@"document.all[0].innerHTML"]; NSURL *requestURL = [[self.webViewIphone request] URL]; NSError *error; NSString *heightStr = [NSString stringWithContentsOfURL:requestURL encoding:NSASCIIStringEncoding error:&error]; debug(@"HTml string %@",heightStr); int height = [heightStr length]; CGFloat screenHeight = webView.scrollView.contentSize.height; debug(@"%f",screenHeight); int pages = ceil(height / screenHeight); NSMutableData *pdfData = [NSMutableData data]; UIGraphicsBeginPDFContextToData(pdfData, webView.bounds, nil); CGRect frame = [webView frame]; for (int i = 0; i < pages; i++) { // Check to screenHeight if page draws more than the height of the UIWebView if ((i+1) * screenHeight > height) { CGRect f = [webView frame]; f.size.height -= (((i+1) * screenHeight) - height); [webView setFrame: f]; } UIGraphicsBeginPDFPage(); CGContextRef currentContext = UIGraphicsGetCurrentContext(); // CGContextTranslateCTM(currentContext, 72, 72); // Translate for 1" margins [[[webView subviews] lastObject] setContentOffset:CGPointMake(0, screenHeight * i) animated:NO]; [webView.layer renderInContext:currentContext]; } UIGraphicsEndPDFContext(); // Retrieves the document directories from the iOS device NSArray* documentDirectories = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask,YES); NSString* documentDirectory = [documentDirectories objectAtIndex:0]; NSString* documentDirectoryFilename = [documentDirectory stringByAppendingPathComponent:aFilename]; // instructs the mutable data object to write its context to a file on disk [pdfData writeToFile:documentDirectoryFilename atomically:YES]; NSData *dataTemp = [NSData dataWithContentsOfFile:documentDirectoryFilename]; return dataTemp; } </code></pre>

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