如何在Swift中转换Objective-C TOCropViewController委托方法？

其实我想要转换TOCropViewController委托方法。我在swift项目中使用了bridge_header和在bridge_header文件中调用TOCropViewController类。然后我把委托方法放在viewcontroller.swift。至于我做到了这一点

let cropViewController = TOCropViewController(image:image) cropViewController.delegate = self self.presentViewController(cropViewController, animated: true, completion: nil) self.imageView.image = image 

但是如何在swift中快速转换下面的目标c TOCropViewController委托方法。

 #pragma mark - Cropper Delegate - - (void)cropViewController:(TOCropViewController *)cropViewController didCropToImage:(UIImage *)image withRect:(CGRect)cropRect angle: (NSInteger)angle { self.imageView.image = image; [self layoutImageView]; self.navigationItem.rightBarButtonItem.enabled = YES; CGRect viewFrame = [self.view convertRect:self.imageView.frame toView:self.navigationController.view]; self.imageView.hidden = YES; [cropViewController dismissAnimatedFromParentViewController:self withCroppedImage:image toFrame:viewFrame completion:^{ self.imageView.hidden = NO; }]; } #pragma mark - Image Picker Delegate - - (void)imagePickerController:(UIImagePickerController *)picker didFinishPickingImage:(UIImage *)image editingInfo:(NSDictionary *)editingInfo { [self dismissViewControllerAnimated:YES completion:^{ self.image = image; TOCropViewController *cropController = [[TOCropViewController alloc] initWithImage:image]; cropController.delegate = self; // Uncomment this to test out locked aspect ratio sizes // cropController.defaultAspectRatio = TOCropViewControllerAspectRatioSquare; // cropController.aspectRatioLocked = YES; // Uncomment this to place the toolbar at the top of the view controller // cropController.toolbarPosition = TOCropViewControllerToolbarPositionTop; [self presentViewController:cropController animated:YES completion:nil]; }]; } - (void)imagePickerControllerDidCancel:(UIImagePickerController *)picker { [self dismissViewControllerAnimated:YES completion:nil]; } #pragma mark - Gesture Recognizer - - (void)didTapImageView { TOCropViewController *cropController = [[TOCropViewController alloc] initWithImage:self.image]; cropController.delegate = self; // Uncomment this to place the toolbar at the top of the view con troller // cropController.toolbarPosition = TOCropViewControllerToolbarPositionTop; [self presentViewController:cropController animated:YES completion:nil]; } 

我在谷歌上search很多，但无法find这个..一些链接我searchhttps://github.com/TimOliver/TOCropViewController/issues/25＆https://github.com/TimOliver/TOCropViewController/issues/71 .. 。

Answer 1

  func imagePickerController(picker: UIImagePickerController!, didFinishPickingImage image: UIImage!, editingInfo: NSDictionary!) { self.dismissViewControllerAnimated(true, completion: { () -> Void in if image != nil { let cropController:TOCropViewController = TOCropViewController(image: image) cropController.delegate=self self.presentViewController(cropController, animated: true, completion: nil) } }) } func imagePickerControllerDidCancel(picker: UIImagePickerController) { picker.dismissViewControllerAnimated(true, completion: { () -> Void in }) } // -*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*- // Cropper Delegate // -*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*- func cropViewController(cropViewController: TOCropViewController!, didCropToImage image: UIImage!, withRect cropRect: CGRect, angle: Int) { cropViewController.dismissViewControllerAnimated(true) { () -> Void in self.imageView.image = image } } func cropViewController(cropViewController: TOCropViewController!, didFinishCancelled cancelled: Bool) { cropViewController.dismissViewControllerAnimated(true) { () -> Void in } }