public void ShowFromFile(global::ImageCropper.ImageCropper imageCropper, string imageFile)
{
var image = UIImage.FromFile(imageFile);
TOCropViewController cropViewController;
if (imageCropper.CropShape == ImageCropper.CropShapeType.Oval)
{
cropViewController = new TOCropViewController(TOCropViewCroppingStyle.Circular, image);
}
else
{
cropViewController = new TOCropViewController(image);
}
if (imageCropper.AspectRatioX > 0 && imageCropper.AspectRatioY > 0)
{
cropViewController.AspectRatioPreset = TOCropViewControllerAspectRatioPreset.Custom;
cropViewController.ResetAspectRatioEnabled = false;
cropViewController.AspectRatioLockEnabled = true;
cropViewController.CustomAspectRatio = new CGSize(imageCropper.AspectRatioX, imageCropper.AspectRatioY);
}
cropViewController.OnDidCropToRect = (outImage, cropRect, angle) => {
Finalize(imageCropper, outImage);
};
cropViewController.OnDidCropToCircleImage = (outImage, cropRect, angle) => {
Finalize(imageCropper, outImage);
};
cropViewController.OnDidFinishCancelled = (cancelled) => {
imageCropper.Failure?.Invoke();
UIApplication.SharedApplication.KeyWindow.RootViewController.DismissViewController(true, null);
};
UIApplication.SharedApplication.KeyWindow.RootViewController.PresentViewController(cropViewController, true, null);
if (!string.IsNullOrWhiteSpace(imageCropper.PageTitle) && cropViewController.TitleLabel != null)
{
UILabel titleLabel = cropViewController.TitleLabel;
titleLabel.Text = imageCropper.PageTitle;
}
}
private static async void Finalize(global::ImageCropper.ImageCropper imageCropper, UIImage image)
{
string documentsDirectory = Environment.GetFolderPath(Environment.SpecialFolder.Personal);
string jpgFilename = System.IO.Path.Combine(documentsDirectory, Guid.NewGuid().ToString() + ".jpg");
NSData imgData = image.AsJPEG();
NSError err;
// small delay
await System.Threading.Tasks.Task.Delay(TimeSpan.FromMilliseconds(100));
if (imgData.Save(jpgFilename, false, out err))
{
imageCropper.Success?.Invoke(jpgFilename);
}
else
{
Debug.WriteLine("NOT saved as " + jpgFilename + " because" + err.LocalizedDescription);
imageCropper.Failure?.Invoke();
}
UIApplication.SharedApplication.KeyWindow.RootViewController.DismissViewController(true, null);
}
