using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using ESRI.ArcGIS.ADF.BaseClasses;
using ESRI.ArcGIS.ADF.CATIDs;
using ESRI.ArcGIS.Controls;
using ESRI.ArcGIS.Geometry;
using ESRI.ArcGIS.Carto;
using ESRI.ArcGIS.Display;
using ESRI.ArcGIS.Geodatabase;
using ESRI.ArcGIS.SystemUI;
using ESRI.ArcGIS.esriSystem;
namespace MapcontrolFrm
{
class Draw
{
AxMapControl _axcontrol;
int isbutton;
public Draw()
{
}
/// <summary>
/// Draw类带参数实例化
/// </summary>
/// <param name="_axcontrol">MapControle控件</param>
/// <param name="isbutton">该函数画图确认参数，1表示画点，2表示画线，3表示画矩形，4表示画多边形，5表示画圆，6表示画椭圆</param>
public Draw(AxMapControl axcontrol, int isbuttons)
{
_axcontrol = axcontrol;
isbutton = isbuttons;
}
/// <summary>
/// 颜色转换，转换成engine用的IRgbColor类型
/// </summary>
/// <param name="G">绿色</param>
/// <param name="R">红色</param>
/// <param name="B">蓝色</param>
/// <returns></returns>
public ESRI.ArcGIS.Display.IRgbColor getRGB(int G, int R, int B)
{
ESRI.ArcGIS.Display.IRgbColor pColor = new ESRI.ArcGIS.Display.RgbColor();
pColor.Red = R;
pColor.Green = G;
pColor.Blue = B;
return pColor;
}
/// <summary>
/// 绘制圆形元素
/// </summary>
public void DrawCircle()
{
IMap m_Map;
IActiveView m_ActiveView = _axcontrol.ActiveView;
IHookHelper m_hookHelper = new HookHelper();
m_hookHelper.Hook = _axcontrol.Object;
if (isbutton == 5)
{
m_ActiveView = m_hookHelper.ActiveView;
m_Map = m_hookHelper.FocusMap;
IScreenDisplay pScreenDisplay = m_ActiveView.ScreenDisplay;
IRubberBand pRubberCircle = new RubberCircle();
ISimpleFillSymbol pFillSymbol = new SimpleFillSymbol();
pFillSymbol.Color = getRGB(255, 255, 0);
IGeometry pCircle = pRubberCircle.TrackNew(pScreenDisplay, (ISymbol)pFillSymbol) as IGeometry;
Polygon _Polygon = new Polygon();
IPolygon pPolygon = _Polygon as IPolygon; //空的多边形
ISegmentCollection pSegmentCollection = pPolygon as ISegmentCollection; //段集合
ISegment pSegment = pCircle as ISegment; //将圆赋值给段
object missing = Type.Missing; //显示默认值
pSegmentCollection.AddSegment(pSegment, ref missing, ref missing); //给空多边形加入圆
pFillSymbol.Style = esriSimpleFillStyle.esriSFSDiagonalCross; //填充样式,符号样式
pFillSymbol.Color = getRGB(0, 255, 255);
PolygonElement _polygon = new PolygonElement();
IFillShapeElement pPolygonEle = _polygon as IFillShapeElement;
pPolygonEle.Symbol = pFillSymbol;
IElement pEle = pPolygonEle as IElement;
pEle.Geometry = pPolygon;
IGraphicsContainer pGraphicsContainer = m_Map as IGraphicsContainer;
pGraphicsContainer.AddElement(pEle, 0);
m_ActiveView.PartialRefresh(esriViewDrawPhase.esriViewGraphics, null, null);
}
else
{ return; }
}
/// <summary>
/// 绘制矩形元素
/// </summary>
public void DrawRectangle()
{
IMap m_Map;
IActiveView m_ActiveView = _axcontrol.ActiveView;
IHookHelper m_hookHelper = new HookHelper();
m_hookHelper.Hook = _axcontrol.Object;
if (isbutton == 3)
{
m_ActiveView = m_hookHelper.ActiveView;
m_Map = m_hookHelper.FocusMap;
IScreenDisplay pScreenDisplay = m_ActiveView.ScreenDisplay;
IRubberBand pRubberRectangularPolygon = new RubberRectangularPolygon();
ISimpleFillSymbol pFillSymbol = new SimpleFillSymbol();
IPolygon pPolygon = pRubberRectangularPolygon.TrackNew(pScreenDisplay, (ISymbol)pFillSymbol) as IPolygon;
pFillSymbol.Style = esriSimpleFillStyle.esriSFSDiagonalCross;//填充样式
pFillSymbol.Color = getRGB(0, 255, 255);//符号颜色
PolygonElement _polygon = new PolygonElement();
IFillShapeElement pPolygonEle = _polygon as IFillShapeElement;
pPolygonEle.Symbol = pFillSymbol;
IElement pEle = pPolygonEle as IElement;
pEle.Geometry = pPolygon;
IGraphicsContainer pGraphicsContainer = m_Map as IGraphicsContainer;
pGraphicsContainer.AddElement(pEle, 0);
m_ActiveView.PartialRefresh(esriViewDrawPhase.esriViewGraphics, null, null);
}
else
{ return; }
}
/// <summary>
/// 绘制多边形元素
/// </summary>
public void DrawPolygon()
{
IMap m_Map;
IActiveView m_ActiveView = _axcontrol.ActiveView;
IHookHelper m_hookHelper = new HookHelper();
m_hookHelper.Hook = _axcontrol.Object;
if (isbutton == 4)
{
m_ActiveView = m_hookHelper.ActiveView;
m_Map = m_hookHelper.FocusMap;
IScreenDisplay pScreenDisplay = m_ActiveView.ScreenDisplay;
IRubberBand pRubberPolygon = new RubberPolygon();
ISimpleFillSymbol pFillSymbol = new SimpleFillSymbol();
pFillSymbol.Color = getRGB(255, 255, 0);
IPolygon pPolygon = pRubberPolygon.TrackNew(pScreenDisplay, (ISymbol)pFillSymbol) as IPolygon;
pFillSymbol.Style = esriSimpleFillStyle.esriSFSDiagonalCross;
pFillSymbol.Color = getRGB(0, 255, 255);
PolygonElement _polygon = new PolygonElement();
IFillShapeElement pPolygonEle = _polygon as IFillShapeElement;
pPolygonEle.Symbol = pFillSymbol;
IElement pEle = pPolygonEle as IElement;
pEle.Geometry = pPolygon;
IGraphicsContainer pGraphicsContainer = m_Map as IGraphicsContainer;
pGraphicsContainer.AddElement(pEle, 0);
m_ActiveView.PartialRefresh(esriViewDrawPhase.esriViewGraphics, null, null);
}
else
{ return; }
}
/// <summary>
/// //绘制线型元素
/// </summary>
public void DrawLine()
{
if (isbutton == 2)
{
IMap pMap;
IActiveView pActiveView;
pMap = _axcontrol.Map;
IGraphicsContainer pGraphicsContainer;
pGraphicsContainer = pMap as IGraphicsContainer;
pActiveView = pMap as IActiveView;
//定义多义线对象
IPolyline pPolyline;
pPolyline = _axcontrol.TrackLine() as IPolyline;
//定义简单线符号对象
ISimpleLineSymbol pSimpleLineSym;
pSimpleLineSym = new SimpleLineSymbol();
pSimpleLineSym.Style = esriSimpleLineStyle.esriSLSSolid;
IRgbColor pColor;
pColor = getRGB(100, 0, 0);
pSimpleLineSym.Color = pColor;
pSimpleLineSym.Width = 2;
//定义线几何对象
LineElement linesybol = new LineElement();
ILineElement pLineEle = linesybol as ILineElement;
pLineEle.Symbol = pSimpleLineSym;
//定义几何对象
IElement pEle;
pEle = pLineEle as IElement;
//设置元素的几何属性
pEle.Geometry = pPolyline;
IGraphicsContainer pGrahpicsContainer; pGrahpicsContainer = pMap as IGraphicsContainer; pGrahpicsContainer.AddElement(pEle, 0);
pActiveView.PartialRefresh(esriViewDrawPhase.esriViewGraphics, null, null);
}
else
{ return; }
}
/// <summary>
/// //绘制椭圆形元素
/// </summary>
public void DrawOval()
{
IActiveView m_ActiveView = _axcontrol.ActiveView;
IHookHelper m_hookHelper = new HookHelper();
m_hookHelper.Hook = _axcontrol.Object;
if (isbutton == 6)
{
IEnvelope pEnvelope = new Envelope() as IEnvelope;
pEnvelope = _axcontrol.TrackRectangle();
IConstructEllipticArc pConstructEllipticArc = new EllipticArc() as IConstructEllipticArc;
pConstructEllipticArc.ConstructEnvelope(pEnvelope);
IEllipticArc pEllipticArc = pConstructEllipticArc as IEllipticArc;
ISegment pSegment = pEllipticArc as ISegment;
ISegmentCollection pSegmentCollection = new Ring() as ISegmentCollection;
object o = Type.Missing;
pSegmentCollection.AddSegment(pSegment, ref o, ref o);
IRing pRing = pSegmentCollection as IRing;
pRing.Close();
IGeometryCollection pGeometryColl = new Polygon() as IGeometryCollection;
pGeometryColl.AddGeometry(pRing, ref o, ref o);
ISimpleLineSymbol pSimpleLineSym = new SimpleLineSymbol();//填充样式与颜色
pSimpleLineSym.Color = getRGB(0, 0, 0);
pSimpleLineSym.Width = 2;
ISimpleFillSymbol pSimpleFillSym = new SimpleFillSymbol();
pSimpleFillSym.Color = getRGB(255, 0, 0);
pSimpleFillSym.Color.Transparency = 255;
pSimpleFillSym.Outline = pSimpleLineSym;
IElement pElement = new EllipseElement();
pElement.Geometry = pGeometryColl as IGeometry;
IFillShapeElement pFillShapeElement = pElement as IFillShapeElement;
pFillShapeElement.Symbol = pSimpleFillSym;
IGraphicsContainer pGC = _axcontrol.ActiveView.GraphicsContainer;
pGC.AddElement(pElement, 0);
_axcontrol.Refresh();
}
}
/// <summary>
/// //绘制点元素
/// </summary>
public void DrawMarker(IMapControlEvents2_OnMouseDownEvent e)
{
if (isbutton == 1)
{
IMap m_map = _axcontrol.Map;
IActiveView m_activeview = _axcontrol.ActiveView;
IPoint point = new Point();
point.PutCoords(e.mapX, e.mapY);
IMarkerElement maker = new MarkerElement() as IMarkerElement;
IElement element = maker as IElement;
ISimpleMarkerSymbol makersyb = new SimpleMarkerSymbol();
element.Geometry = point;
makersyb.Color = getRGB(255, 255, 0);
maker.Symbol = makersyb;
IGraphicsContainer pGraphicsContainer = m_map as IGraphicsContainer;
pGraphicsContainer.AddElement(element, 0);
m_activeview.PartialRefresh(esriViewDrawPhase.esriViewGraphics, null, null);
}
}
}
}
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