public override void TouchesBegan(NSSet touches, UIEvent evt)
{
base.TouchesBegan(touches, evt);
var touch = (UITouch)touches.AnyObject;
var point = touch.LocationInView(touch.View);
var path = new CustomUIBezierPath();
if (LineWidth <= 0)
{
path.LineWidth = 5;
}
else
{
path.LineWidth = LineWidth;
}
path.LineColor = LineColor;
path.MoveTo(point);
_paths.Add(path);
}
public void Clean()
{
_paths.RemoveAllObjects();
if (NeedBaseLine)
{
var signatureBaseLine = new CustomUIBezierPath
{
LineWidth = 1,
LineColor = UIColor.Black,
LineJoinStyle = CGLineJoin.Round
};
signatureBaseLine.MoveTo(_baseLineStart);
signatureBaseLine.AddLineTo(_baseLineEnd);
signatureBaseLine.Stroke();
_paths.Add(signatureBaseLine);
}
SetNeedsDisplay();
}
public UICaptureDrawView(CGRect frame, bool needBaseLine = true) : base(frame)
{
_paths = new NSMutableArray <CustomUIBezierPath>();
NeedBaseLine = needBaseLine;
if (NeedBaseLine)
{
var signatureBaseLine = new CustomUIBezierPath
{
LineWidth = 1,
LineColor = UIColor.Black,
LineJoinStyle = CGLineJoin.Round
};
_baseLineStart = new CGPoint(0, frame.Height - frame.Height / 32);
_baseLineEnd = new CGPoint(frame.Width, frame.Height - frame.Height / 32);
signatureBaseLine.MoveTo(_baseLineStart);
signatureBaseLine.AddLineTo(_baseLineEnd);
signatureBaseLine.Stroke();
_paths.Add(signatureBaseLine);
}
}
