public void ShowFromFile(ImageCropper imageCropper, string imageFile, OutputImageFormatType outputImageFormat)
{
UIImage 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, outputImageFormat);
};
cropViewController.OnDidCropToCircleImage = (outImage, cropRect, angle) =>
{
Finalize(imageCropper, outImage, outputImageFormat);
};
cropViewController.OnDidFinishCancelled = (cancelled) =>
{
imageCropper.Faiure?.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(ImageCropper imageCropper, UIImage image, OutputImageFormatType outputImageFormat)
{
string documentsDirectory = Environment.GetFolderPath(Environment.SpecialFolder.Personal);
string filename;
NSData imgData;
if (outputImageFormat == OutputImageFormatType.JPG)
{
filename = System.IO.Path.Combine(documentsDirectory, Guid.NewGuid().ToString() + ".jpg");
imgData = image.AsJPEG();
}
else if (outputImageFormat == OutputImageFormatType.PNG)
{
filename = System.IO.Path.Combine(documentsDirectory, Guid.NewGuid().ToString() + ".png");
imgData = image.AsPNG();
}
else
{
throw new ArgumentException("Unsupported image format");
}
NSError err;
// small delay
await System.Threading.Tasks.Task.Delay(TimeSpan.FromMilliseconds(100));
if (imgData.Save(filename, false, out err))
{
imageCropper.Success?.Invoke(filename);
}
else
{
Debug.WriteLine("NOT saved as " + filename + " because" + err.LocalizedDescription);
imageCropper.Faiure?.Invoke();
}
UIApplication.SharedApplication.KeyWindow.RootViewController.DismissViewController(true, null);
}
public void ShowFromFile(ImageCropper imageCropper, string imageFile, OutputImageFormatType outputImageFormat)
{
try
{
CropImage.ActivityBuilder activityBuilder = CropImage.Activity(Android.Net.Uri.FromFile(new Java.IO.File(imageFile)));
if (imageCropper.CropShape == ImageCropper.CropShapeType.Oval)
{
activityBuilder.SetCropShape(CropImageView.CropShape.Oval);
}
else
{
activityBuilder.SetCropShape(CropImageView.CropShape.Rectangle);
}
if (imageCropper.AspectRatioX > 0 && imageCropper.AspectRatioY > 0)
{
activityBuilder.SetFixAspectRatio(true);
activityBuilder.SetAspectRatio(imageCropper.AspectRatioX, imageCropper.AspectRatioY);
}
else
{
activityBuilder.SetFixAspectRatio(false);
}
if (!string.IsNullOrWhiteSpace(imageCropper.PageTitle))
{
activityBuilder.SetActivityTitle(imageCropper.PageTitle);
}
activityBuilder.Start(CrossCurrentActivity.Current.Activity);
}
catch (Exception ex)
{
Debug.WriteLine(ex.ToString());
}
}
