using System;
using System.Collections.Generic;
using System.Text;
using System.Drawing;
using System.Threading;
using ESRI.ArcGIS.Controls;
using ESRI.ArcGIS.Carto;
using ESRI.ArcGIS.Geometry;
using ESRI.ArcGIS.Display;
using ESRI.ArcGIS.Geodatabase;
namespace ArcGisView
{
public class FlashObjectsClass
{
private List<IGeometry> pointsFlashObject;
private List<IGeometry> polylinesFlashObject;
private List<IGeometry> polygonsFlashObject;
private IScreenDisplay screenDisplay;
private IMapControl2 mapControl2;
private ISymbol pointSymbol;
private ISymbol lineSymbol;
private ISymbol regionSymbol;
public FlashObjectsClass()
{
pointsFlashObject = new List<IGeometry>();
polylinesFlashObject = new List<IGeometry>();
polygonsFlashObject = new List<IGeometry>();
//初始化显示样式
InitialSymbols();
}
public IMapControl2 MapControl
{
set
{
mapControl2 = value;
screenDisplay = value.ActiveView.ScreenDisplay;
}
}
private void InitialSymbols()
{
IColor displayColor = DefineRgbColor(0, 128, 0);
IColor outLineColor = DefineRgbColor(0, 0, 0);
ILineSymbol outLineSymbol = DefineLineSymbol(1, outLineColor, esriSimpleLineStyle.esriSLSSolid);
pointSymbol = DefinePointSymbol(13, displayColor, esriSimpleMarkerStyle.esriSMSCircle, outLineSymbol) as ISymbol;
lineSymbol = DefineLineOutLineSymbol() as ISymbol;
regionSymbol = DefineFillSymbol(displayColor, esriSimpleFillStyle.esriSFSSolid, outLineSymbol) as ISymbol;
}
public void Init()
{
pointsFlashObject.Clear();
polylinesFlashObject.Clear();
polygonsFlashObject.Clear();
}
public void AddGeometry(IGeometry geo)
{
switch (geo.GeometryType)
{
case esriGeometryType.esriGeometryPoint:
pointsFlashObject.Add(geo);
break;
case esriGeometryType.esriGeometryPolyline:
polylinesFlashObject.Add(geo);
break;
case esriGeometryType.esriGeometryPolygon:
polygonsFlashObject.Add(geo);
break;
}
}
public void FlashObjects()
{
screenDisplay.StartDrawing(screenDisplay.hDC, (System.Int16)ESRI.ArcGIS.Display.esriScreenCache.esriNoScreenCache);
//注意其先后顺序
//画面
screenDisplay.SetSymbol(regionSymbol);
for (int i = 0; i < polygonsFlashObject.Count; i++)
{
screenDisplay.DrawPolygon(polygonsFlashObject[i]);
}
//画线
screenDisplay.SetSymbol(lineSymbol);
for (int i = 0; i < polylinesFlashObject.Count; i++)
{
screenDisplay.DrawPolyline(polylinesFlashObject[i]);
}
//画点
screenDisplay.SetSymbol(pointSymbol);
for (int i = 0; i < pointsFlashObject.Count; i++)
{
screenDisplay.DrawPoint(pointsFlashObject[i]);
}
Thread.Sleep(500);
screenDisplay.FinishDrawing();
mapControl2.ActiveView.PartialRefresh(esriViewDrawPhase.esriViewForeground, null, null);
}
public void FlashObjects(LayerIdentifiedResult layerFlash)
{
screenDisplay.StartDrawing(screenDisplay.hDC, (System.Int16)ESRI.ArcGIS.Display.esriScreenCache.esriNoScreenCache);
switch (layerFlash.GeometryType)
{
case LayerFeatureType.Point:
screenDisplay.SetSymbol(pointSymbol);
break;
case LayerFeatureType.Polyline:
screenDisplay.SetSymbol(lineSymbol);
break;
case LayerFeatureType.Polygon:
screenDisplay.SetSymbol(regionSymbol);
break;
default:
return;
}
List<IFeatureIdentifyObj> identifyObjDefault = layerFlash.IdentifiedFeatureObjList;
for (int i = 0; i < identifyObjDefault.Count; i++)
{
IFeature featureDefault = (identifyObjDefault[i] as IRowIdentifyObject).Row as IFeature;
switch (layerFlash.GeometryType)
{
case LayerFeatureType.Point:
screenDisplay.DrawPoint(featureDefault.Shape);
break;
case LayerFeatureType.Polyline:
screenDisplay.DrawPolyline(featureDefault.Shape);
break;
case LayerFeatureType.Polygon:
screenDisplay.DrawPolygon(featureDefault.Shape);
break;
}
}
Thread.Sleep(500);
screenDisplay.FinishDrawing();
mapControl2.ActiveView.PartialRefresh(esriViewDrawPhase.esriViewForeground, null, null);
}
/// <summary>
/// 定义RGB颜色对象
/// </summary>
/// <param name="r"></param>
/// <param name="g"></param>
/// <param name="b"></param>
/// <returns></returns>
private IColor DefineRgbColor(int r, int g, int b)
{
if (r > 255 || r < 0 ||
g > 255 || g < 0 ||
b > 255 || b < 0)
throw new Exception("颜色值不合法!");
//
IRgbColor rgb = new RgbColorClass();
rgb.Red = r;
rgb.Green = g;
rgb.Blue = b;
return (IColor)rgb;
}
/// <summary>
/// 简单点
/// </summary>
/// <param name="size"></param>
/// <param name="color"></param>
/// <param name="style"></param>
/// <param name="outLineSymbol"></param>
/// <returns></returns>
private IMarkerSymbol DefinePointSymbol(double size, IColor color, esriSimpleMarkerStyle style, ILineSymbol outLineSymbol)
{
ISimpleMarkerSymbol simpleMarkerSymbol = new SimpleMarkerSymbolClass();
IMarkerSymbol markerSymbol = (IMarkerSymbol)simpleMarkerSymbol;
simpleMarkerSymbol.Size = size; //定义点符号大小
simpleMarkerSymbol.Color = color; //定义点符号颜色
simpleMarkerSymbol.Style = style; //定义点符号样式
if (outLineSymbol == null)
{
simpleMarkerSymbol.Outline = false;
}
else
{
simpleMarkerSymbol.Outline = true; //定义点符号边线
simpleMarkerSymbol.OutlineColor = outLineSymbol.Color;
simpleMarkerSymbol.OutlineSize = outLineSymbol.Width;
}
return markerSymbol;
}
/// <summary>
/// 简单线
/// </summary>
/// <param name="width"></param>
/// <param name="color"></param>
/// <param name="style"></param>
/// <returns></returns>
private ILineSymbol DefineLineSymbol(double width, IColor color, esriSimpleLineStyle style)
{
ISimpleLineSymbol simpleLineSymbol = new SimpleLineSymbolClass();
simpleLineSymbol.Width = width;
simpleLineSymbol.Color = color;
simpleLineSymbol.Style = style;
ILineSymbol lineSymbol = (ILineSymbol)simpleLineSymbol;
return lineSymbol;
}
private ILineSymbol DefineLineOutLineSymbol()
{
ISimpleLineSymbol backBlackLine = new SimpleLineSymbolClass();
backBlackLine.Width = 5.5;
backBlackLine.Color = DefineRgbColor(0, 0, 0);
backBlackLine.Style = esriSimpleLineStyle.esriSLSSolid;
ISimpleLineSymbol foreGreenLine = new SimpleLineSymbolClass();
foreGreenLine.Width = 4;
foreGreenLine.Color = DefineRgbColor(0, 128, 0);
foreGreenLine.Style = esriSimpleLineStyle.esriSLSSolid;
IMultiLayerLineSymbol multiLayerLineSymbol = new MultiLayerLineSymbolClass();
multiLayerLineSymbol.AddLayer(backBlackLine);
multiLayerLineSymbol.AddLayer(foreGreenLine);
ILineSymbol lineSymbol = (ILineSymbol)multiLayerLineSymbol;
return lineSymbol;
}
/// <summary>
/// 简单面
/// </summary>
/// <param name="color"></param>
/// <param name="style"></param>
/// <param name="outLineSymbol"></param>
/// <returns></returns>
private IFillSymbol DefineFillSymbol(IColor color, esriSimpleFillStyle style, ILineSymbol outLineSymbol)
{
ISimpleFillSymbol simpleFillSymbol = new SimpleFillSymbolClass();
simpleFillSymbol.Color = color; //定义面符号颜色
simpleFillSymbol.Style = style; //定义面符号样式
simpleFillSymbol.Outline = outLineSymbol; //定义面符号边线
IFillSymbol fillSymbol = (IFillSymbol)simpleFillSymbol;
return fillSymbol;
}
}
}
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