private async Task LoadImage(string filename, Rect?startRect)
{
_image = await BetterImage.LoadBitmapSourceAsync(filename);
OriginalImage.SetCurrentValue(Image.SourceProperty, _image.ImageSource);
CommandManager.InvalidateRequerySuggested();
if (_image.IsBroken)
{
NonfatalError.Notify(AppStrings.Dialogs_ImageEditor_CantLoadImage);
CloseWithResult(MessageBoxResult.Cancel);
}
else
{
_model.TotalWidth = MainGrid.Width = _image.Width;
_model.TotalHeight = MainGrid.Height = _image.Height;
_model.CalculateMinAndMax();
if (startRect.HasValue)
{
var rect = startRect.Value;
_model.OffsetX = rect.X;
_model.OffsetY = rect.Y;
_model.ImageWidth = rect.Width;
_model.ImageHeight = rect.Height;
}
else
{
_model.CenterAndFit();
}
UpdateView();
}
}