//Drawing
public override void Draw(CGRect rect)
{
if (CurrentPathView != null)
{
CurrentPathView.Stroke();
}
}
public override void TouchesMoved(NSSet touches, UIEvent evt)
{
base.TouchesMoved(touches, evt);
var loc = (touches.AnyObject as UITouch).LocationInView(this);
CurrentPathView.AddLineTo(loc);
CurrentStroke.Points.Add(new Point(loc.X, loc.Y));
SetNeedsDisplay();
}
public override void TouchesBegan(NSSet touches, UIEvent evt)
{
base.TouchesBegan(touches, evt);
//System.Diagnostics.Debug.WriteLine("Start touch");
CurrentStroke = new Stroke()
{
StrokeColor = StrokeColor,
Thickness = StrokeThickness
};
CurrentPathView.CreateNewPath(CurrentStroke);
var loc = (touches.AnyObject as UITouch).LocationInView(this);
CurrentPathView.MoveTo(loc);
CurrentStroke.Points.Add(new Point(loc.X, loc.Y));
}
public override void TouchesEnded(NSSet touches, UIEvent evt)
{
base.TouchesEnded(touches, evt);
if (!Enabled)
{
return;
}
var loc = (touches.AnyObject as UITouch).LocationInView(this);
CurrentStroke.Points.Add(new Point(loc.X, loc.Y));
CurrentPathView.AddLineTo(loc);
Strokes.Add(CurrentStroke);
drawPath();
CurrentPathView.Clear();
SetNeedsDisplay();
}
public void Clear()
{
Strokes.Clear();
CurrentPathView.Clear();
drawPath();
}
