/// <summary>
/// Constructs the view model for a given <paramref name="textureAtlas"/> with a given <paramref name="colorType"/>
/// </summary>
/// <param name="textureAtlas">The texture atlas for which the view model should be created</param>
/// <param name="colorType">The color type to be used</param>
public TextureAtlasViewModel(TextureAtlas textureAtlas, SKColorType colorType = SKColorType.Rgba8888)
{
eventAggregator = ServiceLocator.Current.GetInstance <IEventAggregator>();
this.textureAtlas = textureAtlas;
this.colorType = colorType;
TextureAtlasBitmap = new ImageViewModel(textureAtlas.GetImageWithColorType(this.colorType));
SelectedRectangles = new HashSet <PPRect>();
MouseClickPosition = new PPPoint(-1, -1); //make sure that upper left retangle is not selected in the beginning
PropertyChanged += TextureAtlasViewModel_PropertyChanged;
//Paint = new RelayCommand((args =>
//{
// using (SKPaint paint = new SKPaint())
// {
// paint.IsAntialias = true;
// var e = (SkiaSharp.Views.Desktop.SKPaintSurfaceEventArgs)args;
// foreach (var selectedRectangle in SelectedRectangles)
// {
// e.Surface.Canvas.DrawRect(new SKRectI(selectedRectangle.Left, selectedRectangle.Top, selectedRectangle.Right, selectedRectangle.Bottom), paint);
// }
// e.Surface.Canvas.Clear(SKColors.Transparent);
// }
//}), (_) => true);
}
