空气打印图像物镜 c

Question

我是 xcode 的初学者，我想为我的目标 C 应用程序使用 Air Print 进行打印。这是我目前拥有的代码。

-(IBAction)Print {

  UIImage *image  = [UIImage imageNamed:@"picTwizzlerfw.png"];

     NSMutableString *printBody = [NSMutableString stringWithFormat:@"%@",_TextField.text];

  UIPrintInteractionController *pic = [UIPrintInteractionController sharedPrintController];
    //pic.delegate = self;


  UIPrintInfo *printInfo = [UIPrintInfo printInfo];
  printInfo.outputType = UIPrintInfoOutputGeneral;
  printInfo.jobName = @"PrintJob";
  pic.printInfo = printInfo;


      UISimpleTextPrintFormatter *textFormatter = [[UISimpleTextPrintFormatter alloc] initWithText:printBody];
  textFormatter.startPage = 0;
  textFormatter.contentInsets = UIEdgeInsetsMake(72.0, 72.0, 72.0, 72.0);
  textFormatter.maximumContentWidth = 6 * 72.0;
  pic.printFormatter = textFormatter;
  pic.showsPageRange = YES;


  void (^completionHandler)(UIPrintInteractionController *, BOOL, NSError *) = ^(UIPrintInteractionController *printController, BOOL completed, NSError *error) {
    if (!completed && error) {
      NSLog(@"Printing could not complete because of error: %@", error);
    }
  };


  [pic presentAnimated:YES completionHandler:completionHandler];

}

现在它正在打印TextField，但我希望它打印image。如果有人可以提供帮助，那就太好了！

Answer 1

添加：

pic.printingItem = image;

并删除文本格式化程序：

pic.printFormatter = textFormatter;