public void ReSet(BMapControl c)
{
_linesDist = 0;
_drawCompleteToolTip = new InfoToolTip();
IsCompleted = false;
LstMarkPoint.Clear();
c.Refresh();
}
public void OnMouseClick(BMapControl c, MouseEventArgs e)
{
if (e.Button == MouseButtons.Left)
{
if (IsCompleted)
{
ReSet(c);
}
switch (DrawMode)
{
case EditMode.DrawLine:
if (LstMarkPoint.Count < 2)
{
LstMarkPoint.Add(c.PointToLatLng(e.Location));
}
else
{
LstMarkPoint.Add(c.PointToLatLng(e.Location));
}
if (LstMarkPoint.Count == 2)
{
IsCompleted = true;
var p1 = LstMarkPoint[0];
var p2 = LstMarkPoint[1];
//c.Invalidate(DrawHelper.GetLineRegion(c.LatLngToPoint(p1), c.LatLngToPoint(p2)));
_drawCompleteToolTip.Info = string.Format("距离：{0:0.00} 米\r\n正北角：{1:0.0} °"
, MercatorHelper.GetDistance(p1, p2), MercatorHelper.GetBearing(p1, p2));
}
break;
case EditMode.DrawLines:
PointLatLng lastP = null;
if (LstMarkPoint.Count > 0)
{
lastP = LstMarkPoint.Last();
}
var curP = c.PointToLatLng(e.Location);
LstMarkPoint.Add(curP);
//计算距离
if (lastP != null)
{
_linesDist += MercatorHelper.GetDistance(lastP, curP);
}
_drawCompleteToolTip.Info = string.Format("总距离：{0:0.00} 米", _linesDist);
break;
case EditMode.DrawRect:
if (LstMarkPoint.Count < 2)
{
LstMarkPoint.Add(c.PointToLatLng(e.Location));
}
if (LstMarkPoint.Count == 2)
{
IsCompleted = true;
//var p1 = LstMarkPoint[0];
//var p2 = LstMarkPoint[1];
////c.Invalidate(DrawHelper.GetLineRegion(c.LatLngToPoint(p1), c.LatLngToPoint(p2)));
//_drawCompleteToolTip.Info = string.Format("面积：{0:0.00} m²\r\n正北角：{1:0.0} °"
// , MercatorHelper.GetDistance(p1, p2)* MercatorHelper.GetBearing(p1, p2));
}
break;
case EditMode.DrawPolyon:
LstMarkPoint.Add(c.PointToLatLng(e.Location));
break;
case EditMode.DrawCircle:
LstMarkPoint.Add(c.PointToLatLng(e.Location));
if (LstMarkPoint.Count == 2)
{
IsCompleted = true;
var p1 = LstMarkPoint[0];
var p2 = LstMarkPoint[1];
_drawCompleteToolTip.Info = string.Format("半径：{0:0.00}米", MercatorHelper.GetDistance(p1, p2));
}
break;
case EditMode.DrawPie:
LstMarkPoint.Add(c.PointToLatLng(e.Location));
if (LstMarkPoint.Count == 3)
{
IsCompleted = true;
var p1 = c.LatLngToPoint(LstMarkPoint[0]);
var p2 = c.LatLngToPoint(LstMarkPoint[1]);
var p3 = c.LatLngToPoint(LstMarkPoint[2]);
_drawCompleteToolTip.Info = string.Format("坐标：{0}\r\n半径：{1:0.00}米\r\n中线方向：{2:0.00}°\r\n角度宽：{3:0.00}°",
LstMarkPoint[0],
MercatorHelper.GetDistance(LstMarkPoint[0], LstMarkPoint[1]),
MercatorHelper.GetBearing(LstMarkPoint[0], LstMarkPoint[1]),
2 * DrawHelper.GetAngle(p1, p2, p3));
}
break;
case EditMode.None:
default:
break;
}
}
else if (e.Button == MouseButtons.Right)
{
IsCompleted = true;
}
if (DrawMode != EditMode.None)
{
c.Refresh();
}
if (IsCompleted)
{
if (DrawComplete != null)
{
DrawComplete(LstMarkPoint);
}
}
}
