/// <summary>
/// 鼠标左键双击
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
void mapControl_eventLButtonDbClick(object sender, _DHOSOFTMapControlEvents_eventLButtonDbClickEvent e)
{
if (!isControl && listPoints.Count >= 2)
{
if (!string.IsNullOrEmpty(tempName))
{
mapControl.MgsDelObject(tempName);
}
//if (listPoints.Count < 2) return;
Kml kml = new Kml();
KmlLineString line = new KmlLineString();
line.PositionList = listPoints;
line.Color = System.Drawing.Color.Red;
line.Width = 3;
kml.Placemark.Name = "mgis_line" + Utils.ElementIndex;
kml.Placemark.Graph = line;
IMFElement element = null;
layer.AddElement(kml, out element);
lineElement = element as IMFLine;
RegistCommondExecutedEvent();
ReleaseCommond();//修改 陈静
listPoints.Clear();
isFinish = true;
}
}
/// <summary>
/// 鼠标移动，实时绘制
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
void mapControl_eventMouseMove(object sender, _DHOSOFTMapControlEvents_eventMouseMoveEvent e)
{
//if (isMouseDown && !isShift)
//{
// double circleRadius = MapFrame.Core.Common.Utils.GetDistance(centerPoint, new MapLngLat(e.dLong, e.dLat));
// circleElement.UpdatePosition(circleRadius);
//}
if (isMouseDown && !isControl)
{
if (!string.IsNullOrEmpty(tempName))
{
mapControl.MgsDelObject(tempName);
}
float[] vertex = new float[4];
IntPtr ptrVert = Marshal.AllocHGlobal(sizeof(float) * 4);
vertex[0] = (float)centerPoint.Lng;
vertex[1] = (float)centerPoint.Lat;
vertex[2] = (float)e.dLong;
vertex[3] = (float)e.dLat;
Marshal.Copy(vertex, 0, ptrVert, vertex.Length);
tempName = mapControl.MgsDrawLine(16, (ulong)(ptrVert.ToInt64()), 2);
Marshal.FreeHGlobal(ptrVert);
}
}
/// <summary>
/// 移除图元
/// </summary>
/// <param name="element">图元对象</param>
/// <param name="layerName">图元名称</param>
/// <returns></returns>
public bool RemoveElement(Core.Interface.IMFElement element, string layerName)
{
Circle_Mgis circleMgis = element as Circle_Mgis;
return(mapControl.MgsDelObject(circleMgis.ElementName) == 1 ? true : false);
//return mapControl.destroyMoveObject(Convert.ToUInt64(circleMgis.ElementPtr)) == 1 ? true : false;
}
/// <summary>
/// 绘制新的线图元
/// </summary>
/// <param name="listPoints"></param>
/// <returns></returns>
private bool DrawNewLine(List <MapLngLat> listPoints)
{
int count = listPoint.Count();
if (count < 2)
{
return(false);
}
float[] vertex = new float[count * 2];
IntPtr ptrVert = Marshal.AllocHGlobal(sizeof(float) * count * 2);
for (int i = 0; i < count; i++)
{
vertex[2 * i] = (float)listPoint[i].Lng;
vertex[2 * i + 1] = (float)listPoint[i].Lat;
}
Marshal.Copy(vertex, 0, ptrVert, vertex.Length);
mapControl.MgsDelObject(symbolName);//先删除掉原始线图元
int temp = mapControl.MgsDrawLineSymByJBID(symbolName, 10, (ulong)(ptrVert.ToInt64()), count);
mapControl.MgsUpdateSymColor(symbolName, bOutLineColor.R, bOutLineColor.G, bOutLineColor.B, bOutLineColor.A);
mapControl.MgsUpdateSymLineWidth(symbolName, this.width);
mapControl.update();
//再添加一个新的线图元
//int result = mapControl.MgsDrawLineByJBID(symbolName, 10, (ulong)(ptrVert.ToInt64()), count);
Marshal.FreeHGlobal(ptrVert);
return(temp == 0 ? true : false);
}
/// <summary>
/// 键盘按下事件
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
void mapControl_eventKeyDown(object sender, _DHOSOFTMapControlEvents_eventKeyDownEvent e)
{
if (e.nChar == 27)
{
if (!isFinish)
{
if (!string.IsNullOrEmpty(tempName))
{
mapControl.MgsDelObject(tempName);
}
isFinish = true;
}
else
{
ReleaseCommond();
}
}
else if (e.nChar == 17)
{
isControl = true;
mapControl.IMGS_WorkStation_SelectTool("GIS_TOOL_MAP_MOVE_HOSOFT");
}
}
/// <summary>
/// 绘制更新的图元
/// </summary>
/// <param name="listPoint"></param>
private void DrawNewCircle(List <MapLngLat> listPoint)
{
float[] vertex = new float[4];
IntPtr ptrVert = Marshal.AllocHGlobal(sizeof(float) * 4);
vertex[0] = (float)listPoint[0].Lng;
vertex[1] = (float)listPoint[0].Lat;
vertex[2] = (float)listPoint[1].Lng;
vertex[3] = (float)listPoint[1].Lat;
Marshal.Copy(vertex, 0, ptrVert, vertex.Length);
mapControl.MgsDelObject(symbolName);//先删除掉原始线图元
//再添加一个新的线图元
mapControl.MgsDrawLineSymByJBID(symbolName, 16, (ulong)(ptrVert.ToInt64()), 2);
mapControl.MgsUpdateSymColor(symbolName, bOutLineColor.R, bOutLineColor.G, bOutLineColor.B, bOutLineColor.A);
mapControl.MgsUpdateSymFillColor(symbolName, bFillColor.R, bFillColor.G, bFillColor.B, bFillColor.A);
mapControl.MgsUpdateSymLineWidth(symbolName, this.width);
Update();//刷新
Marshal.FreeHGlobal(ptrVert);
}
/// <summary>
/// 删除指定线图元
/// </summary>
/// <param name="element">线图元</param>
/// <param name="layerName">图元名称</param>
/// <returns></returns>
public bool RemoveElement(Core.Interface.IMFElement element, string layerName)
{
Line_Mgis lineMgis = element as Line_Mgis;
return(mapControl.MgsDelObject(lineMgis.ElementPtr) == 0 ? true : false);
}
/// <summary>
/// 删除图元
/// </summary>
/// <param name="element"></param>
/// <param name="layerName"></param>
/// <returns></returns>
public bool RemoveElement(Core.Interface.IMFElement element, string layerName)
{
Polygon_Mgis polygonMgis = element as Polygon_Mgis;
return(mapControl.MgsDelObject(polygonMgis.ElementPtr) == 0 ? true : false);
}
/// <summary>
/// 删除指定文字图元
/// </summary>
/// <param name="element"></param>
/// <param name="layerName"></param>
/// <returns></returns>
public bool RemoveElement(Core.Interface.IMFElement element, string layerName)
{
IMFText textMgis = element as IMFText;
return(mapControl.MgsDelObject(textMgis.ElementPtr) == 0 ? true : false);
}
