/// <summary>
/// Since Xamarin does not remove default transformations, we need to simply remove and create new AtomZoomView
/// with new AtomImage
/// </summary>
private void RecreateImage()
{
this.IsClippedToBounds = false;
croppedImage.PropertyChanged -= OnImagePropertyChanged;
zoomView.PropertyChanged -= OnZoomViewPropertyChanged;
cropContainer.Children.Remove(zoomView);
//Debug.WriteLine($"zoomView is reset correctly");
zoomView = new AtomZoomView();
croppedImage = new AtomImage();
croppedImage.PropertyChanged += OnImagePropertyChanged;
zoomView.PropertyChanged += OnZoomViewPropertyChanged;
zoomView.Content = croppedImage;
cropContainer.Children.Add(zoomView);
zoomView.SetBinding(AtomZoomView.IsEnabledProperty, new Binding()
{
Path = nameof(CanUndo),
Source = this,
Converter = NegateBooleanConverter.Instance
});
}
//ScrollView scrollView = new ScrollView();
public AtomImageCropper()
{
//this.Padding = new Thickness(10);
//Children.Add(zoomView);
//croppedImage.Margin = new Thickness(320, 320, 320, 320);
//zoomView.Padding = new Thickness(320, 320, 320, 320);
maskView.SetBinding(AtomMaskBox.BackgroundColorProperty, new Binding {
Path = nameof(CropMarginColor),
Source = this
});
zoomView.Content = croppedImage;
zoomView.SetBinding(AtomZoomView.IsEnabledProperty, new Binding()
{
Path = nameof(CanUndo),
Source = this,
Converter = NegateBooleanConverter.Instance
});
//cropContainer.Content = zoomView;
cropContainer.Children.Add(zoomView);
cropContainer.HorizontalOptions = LayoutOptions.Center;
cropContainer.VerticalOptions = LayoutOptions.Center;
//cropContainer.BackgroundColor = Color.Red;
cropContainer.SetBinding(Grid.BackgroundColorProperty, new Binding {
Path = nameof(CropErrorColor),
Source = this
});
Children.Add(cropContainer);
Children.Add(maskView);
//this.Margin = new Thickness(50, 50, 50, 50);
//this.IsClippedToBounds = true;
croppedImage.PropertyChanged += OnImagePropertyChanged;
cropContainer.PropertyChanged += OnCropContainerPropertyChanged;
zoomView.PropertyChanged += OnZoomViewPropertyChanged;
//ResizeCropContainer();
CropCommand = new AtomCommand(async() =>
{
await OnCropCommandAsync();
});
UndoCommand = new AtomCommand(() =>
{
// try to delete...
System.IO.File.Delete(CroppedFile);
CroppedFile = null;
Source = originalSource;
originalSource = null;
CanUndo = false;
return(Task.CompletedTask);
});
}
