/// <summary>
/// 构造函数
/// </summary>
/// <param name="_gmapControl">地图控件</param>
/// <param name="_element">图元</param>
public EditText(GMapControl _gmapControl, IMFElement _element)
{
gmapControl = _gmapControl;
marker = _element as GMapMarker;
element = _element as IMFText;
textCtrl = new TextInput();
textCtrl.InputFinished += InputFinish;
}
/// <summary>
/// 释放资源
/// </summary>
public void Dispose()
{
ReleaseCommond();
gmapControl = null;
mapLogic = null;
textCtrl = null;
layer = null;
textElement = null;
CommondExecutedEvent = null;
}
/// <summary>
/// 释放资源
/// </summary>
public void Dispose()
{
ReleaseCommond();
CommondExecutedEvent = null;
mapControl = null;
textCtrl = null;
downPoint = null;
mapLogic = null;
textElement = null;
isControl = false;
}
private void 添加ToolStripMenuItem3_Click(object sender, System.EventArgs e)
{
Kml kml = new Kml();
kml.Placemark.Name = "text";
kml.Placemark.Graph = new KmlText()
{
Position = new MapLngLat(102, 45), Content = "Hello World", Color = Color.Red, Font = "宋体", Size = 20
};
mapLogic.GetLayer(drawLayerName).AddElement(kml);//添加多边形到地图中
textElement = mapLogic.GetLayer(drawLayerName).GetElement("text") as IMFText;
}
/// <summary>
/// 释放资源
/// </summary>
public void Dispose()
{
if (textCtrl != null)
{
textCtrl.Dispose();
}
downPoint = null;
isControl = true;
textElement = null;
mapLogic = null;
layer = null;
mapControl = null;
}
/// <summary>
/// 文字输入完成
/// </summary>
/// <param name="context">输入的文本内容</param>
/// <param name="font">文字字体</param>
/// <param name="color">字体颜色</param>
/// <param name="esc">是否取消编辑</param>
private void InputFinish(string context, Font font, Color color, bool esc)
{
if (!esc)
{
if (!string.IsNullOrEmpty(context))
{
Kml textKml = new Kml();
textKml.Placemark.Name = "draw_text" + Utils.ElementIndex;
textKml.Placemark.Graph = new KmlText()
{
Position = new MapLngLat(txtPoint.Lng, txtPoint.Lat), Size = font.Size, Content = context, Font = font.Name, Color = color, FontStyle = font.Style
};
IMFElement element = null;
layer.AddElement(textKml, out element);
textElement = element as IMFText;
RegistCommondExecuteEvent();
ReleaseCommond();//修改 陈静
}
}
}
/// <summary>
/// 完成事件
/// </summary>
/// <param name="context">文字内容</param>
/// <param name="color">颜色</param>
/// <param name="esc">是否绘制</param>
private void InputFinish(string context, Color color, bool esc)
{
if (esc)
{
if (!string.IsNullOrEmpty(context))
{
Kml kml = new Kml();
KmlText text = new KmlText();
text.Content = context;
text.Position = downPoint;
text.Size = (float)0.5;
text.Color = color;
kml.Placemark.Name = "mgis_Text" + Utils.ElementIndex;
kml.Placemark.Graph = text;
IMFElement element = null;
layer.AddElement(kml, out element);
textElement = element as IMFText;
}
RegistCommondExecutedEvent();
ReleaseCommond();//修改 陈静
}
isMouseDown = false;
}
/// <summary>
/// 文字输入完成
/// </summary>
/// <param name="context">输入的文本内容</param>
/// <param name="font">文字字体</param>
/// <param name="color">字体颜色</param>
/// <param name="esc">是否取消编辑</param>
private void InputFinish(string context, Font font, Color color, bool esc)
{
if (!esc)
{
if (!string.IsNullOrEmpty(context))
{
Kml kml = new Kml();
kml.Placemark.Name = "arc_text" + Utils.ElementIndex;
kml.Placemark.Graph = new KmlText()
{
Position = downPoint, Size = font.Size, Content = context, Font = font.Name, Color = color, FontStyle = font.Style
};
IMFElement element = null;
layer.AddElement(kml, out element);
textElement = element as IMFText;
}
RegistCommondExecutedEvent();
ReleaseCommond();//修改 陈静
}
else
{
isMouseDown = false;
}
}
// 处理波束数据
private void DealBeamCover(BeamData e)
{
if (e.Point.Alt > 0)
{
return; // 卫星数据，不做处理
}
if (mapLogic == null)
{
return;
}
// 添加圆图元（波束覆盖）
IMFLayer layer = mapLogic.AddLayer(coverLayerName);
if (layer == null)
{
return;
}
string circleName = string.Format("卫星{0}-波束{1}", e.SatelliteId, e.BeamId);
string textName = string.Format("卫星{0}-波束{1}_描述", e.SatelliteId, e.BeamId, e.BeamId);
if (!beamDic.ContainsKey(e.SatelliteId)) // 新的波束
{
Kml kmlCircle = new Kml();
kmlCircle.Placemark.Name = circleName;
KmlCircle circle = new KmlCircle();
circle.Position = e.Point;
circle.FillColor = Color.FromArgb(50, Color.Green);
circle.Radius = 500000;
circle.StrokeColor = Color.Blue;
circle.StrokeWidth = 1;
kmlCircle.Placemark.Graph = circle;
layer.AddElement(kmlCircle);
// 添加文字图元
Kml kmlText = new Kml();
kmlText.Placemark.Name = textName;
string context = string.Format("卫星{0}-波束{1}", e.SatelliteId, e.BeamId);
kmlText.Placemark.Graph = new KmlText()
{
Position = e.Point, Content = context, Color = Color.Blue, Font = "宋体", Size = 10
};
IMFElement elementText;
if (layer.AddElement(kmlText, out elementText))
{
bool visible = zoom >= visibleZoom ? true : false;
elementText.SetVisible(visible);
}
// 添加到字典进行维护
List <int> beamIdList = new List <int>();
beamIdList.Add(e.BeamId);
lock (beamDic)
{
beamDic.Add(e.SatelliteId, beamIdList);
}
}
else
{
if (!beamDic[e.SatelliteId].Contains(e.BeamId)) // 新的波束
{
Kml kmlCircle = new Kml();
kmlCircle.Placemark.Name = circleName;
KmlCircle circle = new KmlCircle();
circle.Position = e.Point;
circle.FillColor = Color.FromArgb(50, Color.Green);
circle.Radius = 500000;
circle.StrokeColor = Color.Blue;
circle.StrokeWidth = 1;
kmlCircle.Placemark.Graph = circle;
layer.AddElement(kmlCircle);
// 添加文字图元
string context = string.Format("卫星{0}-波束{1}", e.SatelliteId, e.BeamId);
Kml kmlText = new Kml();
kmlText.Placemark.Name = textName;
kmlText.Placemark.Graph = new KmlText()
{
Position = e.Point, Content = context, Color = Color.Blue, Font = "宋体", Size = 10
};
IMFElement elementText;
if (layer.AddElement(kmlText, out elementText))
{
bool visible = zoom >= visibleZoom ? true : false;
elementText.SetVisible(visible);
}
lock (beamDic)
{
// 添加到字典进行维护
beamDic[e.SatelliteId].Add(e.BeamId);
}
}
else
{
// 更新圆图元（波束覆盖）位置
IMFElement elementCircle = layer.GetElement(circleName);
if (elementCircle != null)
{
IMFCircle circle = elementCircle as IMFCircle;
if (circle != null)
{
circle.UpdatePosition(e.Point);
}
}
// 更新文字图元（描述信息）位置
IMFElement elementText = layer.GetElement(textName);
if (elementText != null)
{
IMFText text = elementText as IMFText;
if (text != null)
{
text.UpdatePosition(e.Point);
}
}
}
}
}
void Form1_CommondExecutedEvent(object sender, MessageEventArgs e)
{
switch (e.ToolType)
{
case ToolTypeEnum.Draw:
element = e.Data as IMFElement;
switch (element.ElementType)
{
case ElementTypeEnum.Circle:
circleElement = element as IMFCircle;
break;
case ElementTypeEnum.Point:
pointElement = element as IMFPoint;
break;
case ElementTypeEnum.Line:
lineElement = element as IMFLine;
double length = lineElement.GetDistance();
break;
case ElementTypeEnum.Polygon:
polygonElement = element as IMFPolygon;
double area = polygonElement.GetArea();
break;
case ElementTypeEnum.Text:
textElement = element as IMFText;
break;
case ElementTypeEnum.Rectangle:
rectangleElement = element as IMFPolygon;
break;
}
break;
case ToolTypeEnum.Measure:
break;
case ToolTypeEnum.Select:
List <IMFElement> elements = (sender as IMFSelect).GetSelectElements();
break;
case ToolTypeEnum.Edit:
switch (element.ElementType)
{
case ElementTypeEnum.Point:
pointElement = element as IMFPoint;
break;
case ElementTypeEnum.Line:
lineElement = element as IMFLine;
double length = lineElement.GetDistance();
break;
case ElementTypeEnum.Polygon:
polygonElement = element as IMFPolygon;
double area = polygonElement.GetArea();
break;
case ElementTypeEnum.Text:
textElement = element as IMFText;
break;
}
break;
}
}
/// <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);
}
