private void Selector_SelectionFinish(PointF arg1, PointF arg2)
{
lock (Locker)
{
var pp1 = Mapper.GetCoordinateLocation(arg1.X, arg1.Y).ToRectangularCoordinate().Polar;
var pp2 = Mapper.GetCoordinateLocation(arg2.X, arg2.Y).ToRectangularCoordinate().Polar;
var r1 = Mapper.GetCoordinateLocation(arg1.X, arg1.Y).ToRectangularCoordinate();
var r2 = Mapper.GetCoordinateLocation(arg2.X, arg2.Y).ToRectangularCoordinate();
WaveGateCoordinates wgc = new WaveGateCoordinates()
{
Id = currentWaveGateId++, P1 = r1, P2 = r2
};
PolarCoordinate p1 = new PolarCoordinate(r1);
PolarCoordinate p2 = new PolarCoordinate(r2);
var begin = Functions.FindSmallArcBeginAngle(p1.Az, p2.Az) - (Mapper as PolarRotateDecorator).RotateAngle;
var end = Functions.FindSmallArcEndAngle(p1.Az, p2.Az) - (Mapper as PolarRotateDecorator).RotateAngle;
WaveGate w = new WaveGate()
{
BeginAngle = begin, EndAngle = end, BeginDistance = Math.Min(p1.Dis, p2.Dis), EndDistance = Math.Max(p1.Dis, p2.Dis), Id = currentWaveGateId
};
WaveGateSelected?.Invoke(this, w);
LiveSectorRing ring = new LiveSectorRing()
{
Center = ReferenceSystem.ScreenOriginalPoint, ScrP1 = arg1, ScrP2 = arg2
};
Objects.Add(ring);
waveGateMap.Add(ring, wgc);
UpdateView();
}
}
protected void DrawObjectUnselected(RenderTarget rt, LiveSectorRing o)
{
var geo = WaveGateSelector.GetPathGeometry(rt, o.Center, o.ScrP1, o.ScrP2);
rt.DrawGeometry(geo, frameBrush, 3);
rt.FillGeometry(geo, normalFillBrush);
}
protected override IEnumerable <LiveObject> GetObjects()
{
var oPoint = ReferenceSystem.ScreenOriginalPoint;
//此处需要将waveGateMap清空重新添加映射，因为GetObject之后的LiveSectorRing对象是重新计算的，需要用新的LiveSectorRing对象重新建立 LiveSectorRing<-->WaveGateCoordinate映射。
//此处如果不更新映射，displayer放缩之后再删除波门，会用新的LiveSectorRing对象在旧的LiveSectorRing<-->WaveGateCoordinate映射中查找WaveGateCoordinate，从而抛出异常
var values = waveGateMap.Values.ToList();
waveGateMap.Clear();
foreach (var w in values)
{
var scrP1 = Mapper.GetScreenLocation(w.P1.X, w.P1.Y);
var scrP2 = Mapper.GetScreenLocation(w.P2.X, w.P2.Y);
LiveSectorRing liveSectorRing = new LiveSectorRing()
{
ScrP1 = scrP1, Center = oPoint, ScrP2 = scrP2
};
waveGateMap.Add(liveSectorRing, w);
yield return(liveSectorRing);
}
}