/// <summary>
/// 复制
/// </summary>
/// <returns></returns>
public override moRenderer Clone()
{
moUniqueValueRenderer sRenderer = new moUniqueValueRenderer();
sRenderer._Field = _Field;
sRenderer._HeadTitle = _HeadTitle;
sRenderer._ShowHead = _ShowHead;
Int32 sValueCount = _Values.Count;
for (Int32 i = 0; i <= sValueCount - 1; i++)
{
string sValue = _Values[i];
moSymbol sSymbol = null;
if (_Symbols[i] != null)
{
sSymbol = _Symbols[i].Clone();
}
sRenderer.AddUniqueValue(sValue, sSymbol);
}
if (_DefaultSymbol != null)
{
sRenderer.DefaultSymbol = _DefaultSymbol.Clone();
}
sRenderer._ShowDefaultSymbol = _ShowDefaultSymbol;
return(sRenderer);
}
/// <summary>
/// 绘制所有要素
/// </summary>
/// <param name="g">绘图对象</param>
/// <param name="extent">绘制范围（地图坐标）</param>
/// <param name="mapScale">地图比例尺的倒数</param>
/// <param name="dpm">每米对应的点数</param>
/// <param name="mpu">地图坐标单位对应的米数</param>
internal void DrawFeatures(Graphics g, moRectangle extent, double mapScale, double dpm, double mpu)
{
//（1）为所有要素配置符号
SetFeatureSymbols();
//（2）判断是否位于绘制范围内，如是，则绘制
Int32 sFeatureCount = _Features.Count;
for (Int32 i = 0; i < sFeatureCount; i++)
{
moFeature sFeature = _Features.GetItem(i);
if (IsFeatureInExtent(sFeature, extent) == true)
{
moGeometry sGeometry = sFeature.Geometry;
moSymbol sSymbol = sFeature.Symbol;
moMapDrawingTools.DrawGeometry(g, extent, mapScale, dpm, mpu, sGeometry, sSymbol);
}
}
}
//要素的符号是否可见
private bool IsFeatureSymbolVisible(moFeature feature)
{
moSymbol sSymbol = feature.Symbol;
if (sSymbol.SymbolType == moSymbolTypeConstant.SimpleMarkerSymbol)
{
moSimpleMarkerSymbol sMarkerSymbol = (moSimpleMarkerSymbol)sSymbol;
return(sMarkerSymbol.Visible);
}
else if (sSymbol.SymbolType == moSymbolTypeConstant.SimpleLineSymbol)
{
moSimpleLineSymbol sLineSymbol = (moSimpleLineSymbol)sSymbol;
return(sLineSymbol.Visible);
}
else if (sSymbol.SymbolType == moSymbolTypeConstant.SimpleFillSymbol)
{
moSimpleFillSymbol sFillSymbol = (moSimpleFillSymbol)sSymbol;
return(sFillSymbol.Visible);
}
else
{
throw new Exception("Invalid symbol type!");
}
}
//绘制矩形
internal static void DrawRectangle(Graphics g, moRectangle extent, double mapScale, double dpm, double mpu, moRectangle rectangle, moSymbol symbol)
{
if (symbol.SymbolType == moSymbolTypeConstant.SimpleFillSymbol)
{
moSimpleFillSymbol sSymbol = (moSimpleFillSymbol)symbol;
if (sSymbol.Visible == true)
{
DrawRectangleBySimpleFill(g, extent, mapScale, dpm, mpu, rectangle, sSymbol);
}
}
}
//绘制点集合（多点）
internal static void DrawPoints(Graphics g, moRectangle extent, double mapScale, double dpm, double mpu, moPoints points, moSymbol symbol)
{
if (symbol.SymbolType == moSymbolTypeConstant.SimpleMarkerSymbol)
{
moSimpleMarkerSymbol sSymbol = (moSimpleMarkerSymbol)symbol;
if (sSymbol.Visible == true)
{
Int32 sPointCount = points.Count;
for (Int32 i = 0; i <= sPointCount - 1; i++)
{
moPoint sPoint = points.GetItem(i);
DrawPointBySimpleMarker(g, extent, mapScale, dpm, mpu, sPoint, sSymbol);
}
}
}
}
//绘制线段
internal static void DrawLine(Graphics g, moRectangle extent, double mapScale, double dpm, double mpu, moPoint point1, moPoint point2, moSymbol symbol)
{
if (symbol.SymbolType == moSymbolTypeConstant.SimpleLineSymbol)
{
moSimpleLineSymbol sSymbol = (moSimpleLineSymbol)symbol;
if (sSymbol.Visible == true)
{
DrawLineBySimpleLine(g, extent, mapScale, dpm, mpu, point1, point2, sSymbol);
}
}
}
internal static void DrawGeometry(Graphics g, moRectangle extent, double mapScale, double dpm, double mpu, moGeometry geometry, moSymbol symbol)
{
if (extent == null)
{
return;
}
if (geometry == null)
{
return;
}
if (symbol == null)
{
return;
}
if (geometry.GetType() == typeof(moPoint))
{
moPoint sPoint = (moPoint)geometry;
DrawPoint(g, extent, mapScale, dpm, mpu, sPoint, symbol);
}
else if (geometry.GetType() == typeof(moMultiPolyline))
{
moMultiPolyline sMultiPolyline = (moMultiPolyline)geometry;
DrawMultiPolyline(g, extent, mapScale, dpm, mpu, sMultiPolyline, symbol);
}
else if (geometry.GetType() == typeof(moMultiPolygon))
{
moMultiPolygon sMultiPolygon = (moMultiPolygon)geometry;
DrawMultiPolygon(g, extent, mapScale, dpm, mpu, sMultiPolygon, symbol);
}
}
/// <summary>
/// 增加一个唯一值及对应的符号
/// </summary>
/// <param name="value"></param>
/// <param name="symbol"></param>
public void AddUniqueValue(string value, moSymbol symbol)
{
_Values.Add(value);
_Symbols.Add(symbol);
}
public void SetSymbol(Int32 index, moSymbol symbol)
{
_Symbols[index] = symbol;
}
/// <summary>
/// 增加一个分割值及对应的符号
/// </summary>
/// <param name="value"></param>
/// <param name="symbol"></param>
public void AddBreakValue(double value, moSymbol symbol)
{
_BreakValues.Add(value);
_Symbols.Add(symbol);
}
/// <summary>
/// 以指定符号绘制指定矩形
/// </summary>
/// <param name="rectangle"></param>
/// <param name="symbol"></param>
public void DrawRectangle(moRectangle rectangle, moSymbol symbol)
{
moMapDrawingTools.DrawRectangle(_MyGraphics, _Extent, _MapScale, _dpm, _mpu, rectangle, symbol);
}
/// <summary>
/// 以指定符号绘制指定点集合
/// </summary>
/// <param name="points"></param>
/// <param name="symbol"></param>
public void DrawPoints(moPoints points, moSymbol symbol)
{
moMapDrawingTools.DrawPoints(_MyGraphics, _Extent, _MapScale, _dpm, _mpu, points, symbol);
}
/// <summary>
/// 以指定符号绘制指定复合多边形
/// </summary>
/// <param name="multiPolygon"></param>
/// <param name="symbol"></param>
public void DrawMultiPolygon(moMultiPolygon multiPolygon, moSymbol symbol)
{
moMapDrawingTools.DrawMultiPolygon(_MyGraphics, _Extent, _MapScale, _dpm, _mpu, multiPolygon, symbol);
}
/// <summary>
/// 以指定符号绘制指定线段
/// </summary>
/// <param name="point1"></param>
/// <param name="point2"></param>
/// <param name="symbol"></param>
public void DrawLine(moPoint point1, moPoint point2, moSymbol symbol)
{
moMapDrawingTools.DrawLine(_MyGraphics, _Extent, _MapScale, _dpm, _mpu, point1, point2, symbol);
}
/// <summary>
/// 绘制所有选择要素
/// </summary>
/// <param name="g"></param>
/// <param name="extent"></param>
/// <param name="mapScale"></param>
/// <param name="dpm"></param>
/// <param name="mpu"></param>
/// <param name="symbol"></param>
internal void DrawSelectedFeatures(Graphics g, moRectangle extent, double mapScale, double dpm, double mpu, moSymbol symbol)
{
//判断是否位于绘制范围内，不是，则绘制
Int32 sFeatureCount = _SelectedFeatures.Count;
for (Int32 i = 0; i < sFeatureCount; i++)
{
moFeature sFeature = _SelectedFeatures.GetItem(i);
if (IsFeatureInExtent(sFeature, extent) == true)
{
moGeometry sGeometry = sFeature.Geometry;
moMapDrawingTools.DrawGeometry(g, extent, mapScale, dpm, mpu, sGeometry, symbol);
}
}
}
