private void AddBalloonCalloutLabel(string strName, string strText, IPoint pPointAnchor, IElementCollection pElementCollection)
{
ISimpleFillSymbol pSimpleFillSymbol = new SimpleFillSymbolClass();
pSimpleFillSymbol.Style = esriSimpleFillStyle.esriSFSSolid;
IRgbColor pRgbColorFillSymbol = new RgbColorClass();
pRgbColorFillSymbol.RGB = fColor;
//pRgbColorFillSymbol.Red = Color.White.R;
//pRgbColorFillSymbol.Green = Color.White.G;
//pRgbColorFillSymbol.Blue = Color.White.B;
//byte bt = 0;
//pRgbColorFillSymbol.Transparency = bt;
pSimpleFillSymbol.Color = pRgbColorFillSymbol;
//IBalloonCallout 接口
IBalloonCallout pBalloonCallout = new BalloonCalloutClass(); //弹出标签的背景
pBalloonCallout.Style = _style; //选择弹出标签样式，请尝试另外两种样式
pBalloonCallout.Symbol = pSimpleFillSymbol; //填充
pBalloonCallout.LeaderTolerance = 1;
pBalloonCallout.AnchorPoint = pPointAnchor; //定位点
//创建点标注
ITextSymbol pTextSymbol = new TextSymbolClass();
IFormattedTextSymbol pFormattedTextSymbol = pTextSymbol as IFormattedTextSymbol;
pFormattedTextSymbol.Background = pBalloonCallout as ITextBackground;//设置背景
//字体相关设置
IRgbColor pRgbColorTextSymbol = new RgbColorClass();//字体颜色
pRgbColorTextSymbol.RGB = tColor;
//pRgbColorTextSymbol.Red = 0;
//pRgbColorTextSymbol.Green = 0;
//pRgbColorTextSymbol.Blue = 0;
pFormattedTextSymbol.Color = pRgbColorTextSymbol;
pFormattedTextSymbol.Font.Name = "宋体";
pFormattedTextSymbol.Size = _FontSize;
pFormattedTextSymbol.HorizontalAlignment = esriTextHorizontalAlignment.esriTHALeft;//对齐方式
pFormattedTextSymbol.VerticalAlignment = esriTextVerticalAlignment.esriTVATop;
ISimpleTextSymbol pSimpleTextSymbol = pTextSymbol as ISimpleTextSymbol;
pSimpleTextSymbol.XOffset = 15;
pSimpleTextSymbol.YOffset = 0;
//加点标签
ITextElement pTextElement = new TextElementClass();
pTextElement.Symbol = pFormattedTextSymbol as ITextSymbol;
pTextElement.Text = strText;//显示的标注文本
IElement pElement = pTextElement as IElement;
pElement.Geometry = pPointAnchor as IGeometry;//位置 pPointPosition
IElementProperties pElementProperties = pElement as IElementProperties;
pElementProperties.Name = strName;//IElement的名称
pElementCollection.Add(pElementProperties as IElement, -1);
}
//设置文字气泡位置和背景属性
public IBalloonCallout createBalloonCallout(double x, double y)
{
IRgbColor p_rgbcolor = new RgbColorClass(); //设置浅黄色
{
p_rgbcolor.Red = 255;
p_rgbcolor.Green = 255;
p_rgbcolor.Blue = 200;
}
ISimpleFillSymbol p_simplefillsymbol = new SimpleFillSymbolClass(); //设置填充符号
{
p_simplefillsymbol.Color = p_rgbcolor;
p_simplefillsymbol.Style = esriSimpleFillStyle.esriSFSSolid;
}
IPoint p_point = new PointClass(); //获取鼠标的位置
{
p_point.PutCoords(x, y);
}
IBalloonCallout p_ballooncallout = new BalloonCalloutClass(); //新建并设置文字气泡对象
{
p_ballooncallout.Style = esriBalloonCalloutStyle.esriBCSRoundedRectangle;
p_ballooncallout.Symbol = p_simplefillsymbol;
p_ballooncallout.LeaderTolerance = 10;
p_ballooncallout.AnchorPoint = p_point;
}
return(p_ballooncallout);
}
/// <summary>
/// Adds a Call Out
/// </summary>
/// <param name="point"></param>
/// <param name="LocatorDescription"></param>
private void AddCallout(ESRI.ArcGIS.Geometry.Point point, String LocatorDescription)
{
try
{
IMxDocument mxDocument = ArcMap.Application.Document as IMxDocument;
try
{
//Register if not already registered
IActiveViewEvents_Event check = mxDocument.ActiveView as IActiveViewEvents_Event;
if (check != this.activeViewEvents)
{
this.activeViewEvents = mxDocument.ActiveView as IActiveViewEvents_Event;
activeViewEvents.AfterDraw -= AfterDrawEventHandler;
activeViewEvents.AfterDraw += AfterDrawEventHandler;
}
}
catch (Exception)
{
}
IMap map = mxDocument.FocusMap;
IActiveView activeView = mxDocument.ActiveView;
this.CurrentEnvelope = activeView.Extent;
IFormattedTextSymbol formattedTextSymbol = new TextSymbolClass();
ICallout callout = new BalloonCalloutClass();
(callout as IBalloonCallout).Style = esriBalloonCalloutStyle.esriBCSRoundedRectangle;
formattedTextSymbol.Background = callout as ITextBackground;
callout.AnchorPoint = point;
callout.LeaderTolerance = 0.0;
ITextElement textElement = new TextElementClass();
string CalloutText = LocatorDescription.Replace("|LOCATOR_SEPARATOR|", System.Environment.NewLine);
textElement.Text = CalloutText;
IElement textElementAsElement = textElement as IElement;
IPoint textPoint = (point as IClone).Clone() as IPoint;
textPoint.PutCoords(point.X - (activeView.Extent.Width / 30), point.Y + (activeView.Extent.Width / 30));
textElementAsElement.Geometry = textPoint;
//Apply the properties
textElement.Symbol = formattedTextSymbol;
(textElement as IElementProperties).Name = LOCATOR_ELEMENT_NAME;
//Add the Element to the view
IGraphicsContainer graphicsContainer = map as IGraphicsContainer;
graphicsContainer.AddElement(textElement as IElement, 0);
textElementAsElement.Activate(activeView.ScreenDisplay);
activeView.PartialRefresh(esriViewDrawPhase.esriViewGraphics, null, null);
this.CalloutAdded = true;
}
catch (Exception ex)
{
ShowError(ex);
}
}
/// <summary>
/// 添加标注信息
/// </summary>
/// <param name="pPoint"></param>
public void AddCallout(IPoint pPoint, string strText)
{
IActiveView pActiveView;
IGraphicsContainer pGraphicsContainer;
IPoint pPntText = new PointClass();
pPntText.PutCoords(pPoint.X + 3, pPoint.Y + 3);
pActiveView = m_pMapControl.ActiveView;
pGraphicsContainer = pActiveView.GraphicsContainer;
IElement pElement;
IFormattedTextSymbol pTextSymbol = new TextSymbolClass();
ITextElement pTextElement = new TextElementClass();
pElement = (IElement)pTextElement;
pTextElement.Text = strText;
pElement.Geometry = pPntText;
IRgbColor pRgbClr = new RgbColorClass();
pRgbClr.Red = 255;
pRgbClr.Blue = 255;
pRgbClr.Green = 255;
ISimpleFillSymbol pSmplFill = new SimpleFillSymbolClass();
pSmplFill.Color = pRgbClr;
pSmplFill.Style = esriSimpleFillStyle.esriSFSHollow;
IBalloonCallout pBllnCallout = new BalloonCalloutClass();
pBllnCallout.Style = esriBalloonCalloutStyle.esriBCSRoundedRectangle;
pBllnCallout.Symbol = pSmplFill;
pBllnCallout.LeaderTolerance = 5;
pBllnCallout.AnchorPoint = pPoint;
pRgbClr.Red = 255;
pRgbClr.Blue = 0;
pRgbClr.Green = 0;
pTextSymbol.Background = (ITextBackground)pBllnCallout;
Color color = ColorTranslator.FromHtml(SystemInfo.Instance.TextColor);
IColor pColor = new RgbColorClass();
pColor.RGB = color.B * 65536 + color.G * 256 + color.R;
pTextSymbol.Color = pColor;
pTextSymbol.Size = SystemInfo.Instance.TextSize;
pTextSymbol.HorizontalAlignment = esriTextHorizontalAlignment.esriTHALeft;
pTextElement.Symbol = pTextSymbol;
pGraphicsContainer.AddElement(pElement, 1);
//pActiveView.PartialRefresh(esriViewDrawPhase.esriViewGraphics, null, null);
}
public void AddCallout(IPoint pPoint, string strText)
{
DF2DApplication app = DF2DApplication.Application;
m_ActiveView = app.Current2DMapControl.ActiveView;
IGraphicsContainer pGraphicsContainer = m_ActiveView.GraphicsContainer;
IPoint pPointText = new PointClass();
pPointText.PutCoords(pPoint.X + 1.5, pPoint.Y + 1.5);
ITextElement pTextElement = new TextElementClass();
IFormattedTextSymbol pTextSymbol = new TextSymbolClass();
IElement pElement = pTextElement as IElement;
pTextElement.Text = strText;
pTextElement.ScaleText = true;
pElement.Geometry = pPointText;
IRgbColor pRgbColor = GetRGBColor(255, 255, 0);
ISimpleFillSymbol pSmplFill = new SimpleFillSymbolClass();
pSmplFill.Color = pRgbColor;
pSmplFill.Style = esriSimpleFillStyle.esriSFSHollow;
IBalloonCallout pBalloonCallout = new BalloonCalloutClass();
pBalloonCallout.Symbol = pSmplFill;
pBalloonCallout.Style = esriBalloonCalloutStyle.esriBCSOval;
pBalloonCallout.AnchorPoint = pPointText;
pBalloonCallout.LeaderTolerance = 5;
pRgbColor = GetRGBColor(255, 0, 0);
pTextSymbol.Background = pBalloonCallout as ITextBackground;
pTextSymbol.Color = pRgbColor;
pTextSymbol.Size = (app.Current2DMapControl.MapScale / 100) * 5;
//pTextSymbol.Size = 25;
pTextSymbol.HorizontalAlignment = esriTextHorizontalAlignment.esriTHALeft;
pTextElement.Symbol = pTextSymbol;
pGraphicsContainer.AddElement(pElement, 1);
}
private void GetFacilityInterdicted(IFeatureWorkspace featureWorkspace, int[] r)
{
int p = 22;
IFeatureClass featureClass = featureWorkspace.OpenFeatureClass("Hospitals");
IFeature pFeature;
for (int i = 1; i <= p; i++)
{
pFeature = featureClass.GetFeature(i) as IFeature;
IFeatureBuffer pFeatureBuffer = pFeature as IFeatureBuffer;
pFeatureBuffer.set_Value(pFeature.Fields.FindField("interdicted"), r[i - 1]);
}
IMap pMap = this.axMapControl.Map;
IGraphicsContainer pGraphicsContainerXL = pMap as IGraphicsContainer;
//add interdicted points
for (int i = 0; i < p; i++)
{
if (r[i] == 1)
{
pFeature = featureClass.GetFeature(i) as IFeature;
IPoint pPoint = pFeature.Shape as IPoint;
ITextElement pTextEle = new TextElementClass();
IElement pElement = pTextEle as IElement;
//text
pTextEle.Text = "interdicted";
pTextEle.ScaleText = true;
pElement.Geometry = pPoint;
//BalloonCallout
IBalloonCallout pBalloonCallout = new BalloonCalloutClass();
pBalloonCallout.Style = esriBalloonCalloutStyle.esriBCSRoundedRectangle;
pBalloonCallout.AnchorPoint = pPoint;
IFormattedTextSymbol pTextSymbol = new TextSymbolClass();
pTextSymbol.Background = pBalloonCallout as ITextBackground;
pTextSymbol.Direction = esriTextDirection.esriTDAngle;
pTextSymbol.Angle = 15;
pTextSymbol.HorizontalAlignment = esriTextHorizontalAlignment.esriTHALeft;
pTextSymbol.VerticalAlignment = esriTextVerticalAlignment.esriTVATop;
pTextEle.Symbol = pTextSymbol;
pGraphicsContainerXL.AddElement(pTextEle as IElement, 0);
}
}
axMapControl.Refresh();
}
/// <summary>
/// Creates a Balloon Callout with the given text and background color for the given feature.
/// </summary>
/// <param name="feature">The feature for which to create the callout.</param>
/// <param name="displayText">The text to display.</param>
/// <param name="bgColor">The background color of the callout</param>
/// <returns>Returns an element with a callout symbol.</returns>
public static IElement CreateBalloonCalloutForFeature(IFeature feature, string displayText, string bgColor)
{
ITextElement element = new TextElementClass();
if (feature != null)
{
IPoint anchor = new PointClass();
try
{
if (feature.Shape.GeometryType == esriGeometryType.esriGeometryPolyline)
((IPolyline)feature.ShapeCopy).QueryPoint(esriSegmentExtension.esriNoExtension, .5, true, anchor);
else if (feature.Shape.GeometryType == esriGeometryType.esriGeometryPoint)
anchor.PutCoords(feature.ShapeCopy.Envelope.XMax, feature.ShapeCopy.Envelope.YMax);
}
catch (Exception ex)
{
// _logger.LogException(ex, "There was an error getting the shape from the feature.");
anchor = null;
}
if (anchor != null || !anchor.IsEmpty)
{
IBalloonCallout balloon = new BalloonCalloutClass();
balloon.AnchorPoint = anchor;
balloon.LeaderTolerance = .5;
balloon.Style = esriBalloonCalloutStyle.esriBCSRoundedRectangle;
balloon.Symbol = GenerateGenericFillSymbol(bgColor, esriSimpleFillStyle.esriSFSSolid);
IFormattedTextSymbol txtSym = new TextSymbolClass();
txtSym.Background = balloon as ITextBackground;
txtSym.Size = 10;
if (string.IsNullOrEmpty(displayText))
displayText = feature.OID.ToString();
((IElement)element).Geometry = feature.ShapeCopy;//offSet;
element.Text = displayText;
element.Symbol = txtSym;
}
}
return element as IElement;
}
public IBalloonCallout CreateBalloonCallout(double x, double y)
{
IRgbColor color_rgb = new RgbColorClass();
ISimpleFillSymbol simpleFillSbl = new SimpleFillSymbolClass();
IPoint point = new PointClass();;
IBalloonCallout balloonCallout = new BalloonCalloutClass(); // 气球类型的插图编号
color_rgb.Red = 255;
color_rgb.Green = 255;
color_rgb.Blue = 200;
simpleFillSbl.Color = color_rgb;
simpleFillSbl.Style = esriSimpleFillStyle.esriSFSSolid;
point.PutCoords(x, y);
balloonCallout.Style = esriBalloonCalloutStyle.esriBCSRoundedRectangle;
balloonCallout.Symbol = simpleFillSbl;
balloonCallout.LeaderTolerance = 10;
balloonCallout.AnchorPoint = point;
return(balloonCallout);
}
/// <summary>
/// 创建balloon型提示框
/// </summary>
/// <param name="x">提示框所在位置X坐标</param>
/// <param name="y">提示框所在位置Y坐标</param>
/// <returns></returns>
public IBalloonCallout CreateBalloonCallout(double x, double y)
{
IRgbColor pRgbClr = new RgbColorClass();
pRgbClr.Red = 255;
pRgbClr.Blue = 255;
pRgbClr.Green = 255;
ISimpleFillSymbol pSmplFill = new SimpleFillSymbolClass();
pSmplFill.Color = pRgbClr;
pSmplFill.Style = esriSimpleFillStyle.esriSFSSolid;
IBalloonCallout pBllnCallout = new BalloonCalloutClass();
pBllnCallout.Style = esriBalloonCalloutStyle.esriBCSRoundedRectangle;
pBllnCallout.Symbol = pSmplFill;
pBllnCallout.LeaderTolerance = 1;
IPoint pPoint = new ESRI.ArcGIS.Geometry.PointClass();
pPoint.X = x;
pPoint.Y = y;
pBllnCallout.AnchorPoint = pPoint;
return(pBllnCallout);
}
public IElement AddCallout(IMapControl2 mapControl, IPoint pPoint, string strText, IRgbColor color)
{
IPoint pPointText = new PointClass();
pPointText.PutCoords(pPoint.X + 1.5, pPoint.Y + 1.5);
ITextElement pTextElement = new TextElementClass();
IFormattedTextSymbol pTextSymbol = new TextSymbolClass();
IElement pElement = pTextElement as IElement;
pTextElement.Text = strText;
pTextElement.ScaleText = true;
pElement.Geometry = pPointText;
ISimpleFillSymbol pSmplFill = new SimpleFillSymbolClass();
pSmplFill.Color = color;
pSmplFill.Style = esriSimpleFillStyle.esriSFSHollow;
IBalloonCallout pBalloonCallout = new BalloonCalloutClass();
pBalloonCallout.Symbol = pSmplFill;
pBalloonCallout.Style = esriBalloonCalloutStyle.esriBCSOval;
pBalloonCallout.AnchorPoint = pPointText;
pBalloonCallout.LeaderTolerance = 5;
pTextSymbol.Background = pBalloonCallout as ITextBackground;
pTextSymbol.Color = color;
pTextSymbol.Size = (mapControl.MapScale / 100) * 5;
//pTextSymbol.Size = 25;
pTextSymbol.HorizontalAlignment = esriTextHorizontalAlignment.esriTHALeft;
pTextElement.Symbol = pTextSymbol;
return(pElement);
}
private void ShowCallout(IPoint loc, string text)
{
try
{
ITextElement pTextElement = new TextElementClass();
IElement pElement;
IBalloonCallout pCallout = new BalloonCalloutClass();
IFillSymbol pFill = new SimpleFillSymbolClass();
ILineSymbol pLine = new SimpleLineSymbolClass();
IFormattedTextSymbol pLabelSymbol = new TextSymbolClass();
IRgbColor c = new RgbColorClass();
c.Red = 0;
c.Green = 0;
c.Blue = 0;
IRgbColor d = new RgbColorClass();
d.Red = 255;
d.Green = 255;
d.Blue = 255;
IRgbColor e = new RgbColorClass();
e.Red = 205;
e.Green = 192;
e.Blue = 176;
pLine.Color = c;
pFill.Color = d;
pFill.Outline = pLine;
pCallout.Symbol = pFill;
pCallout.Style = esriBalloonCalloutStyle.esriBCSRoundedRectangle;
pCallout.AnchorPoint = loc;
pLabelSymbol.Background = pCallout as ITextBackground;
pLabelSymbol.Size = 10.5d;
pLabelSymbol.ShadowColor = e;
pLabelSymbol.ShadowXOffset = 1.0d;
pLabelSymbol.ShadowYOffset = 1.0d;
pTextElement.Text = text;
pTextElement.Symbol = pLabelSymbol as ITextSymbol;
pElement = pTextElement as IElement;
double delta = (.1 * mMap.MapScale) / 2;
//switch (mMap.MapScale)
//{
// case
//}
IPoint p1 = new PointClass();
p1.X = loc.X + delta;
p1.Y = loc.Y + delta;
pElement.Geometry = p1;
graphicsContainer = mDoc.ActiveView as IGraphicsContainer;
graphicsContainer.AddElement(pElement, 0);
pElement.Activate(mDoc.ActiveView.ScreenDisplay);
mDoc.ActiveView.PartialRefresh(esriViewDrawPhase.esriViewGraphics, pElement, null);
mMap.ClearSelection();
Timer t = new Timer();
t.Interval = 2000;
t.Tick += new EventHandler(t_Tick);
t.Start();
}
catch (Exception ex) { log.WriteError(ex, TAG, System.Security.Principal.WindowsIdentity.GetCurrent().Name, null); }
}
private void AddBalloonCalloutLabel(string strName, string strText, IPoint pPointAnchor, IElementCollection pElementCollection)
{
ISimpleFillSymbol pSimpleFillSymbol = new SimpleFillSymbolClass();
pSimpleFillSymbol.Style = esriSimpleFillStyle.esriSFSSolid;
IRgbColor pRgbColorFillSymbol = new RgbColorClass();
pRgbColorFillSymbol.RGB = fColor;
//pRgbColorFillSymbol.Red = Color.White.R;
//pRgbColorFillSymbol.Green = Color.White.G;
//pRgbColorFillSymbol.Blue = Color.White.B;
//byte bt = 0;
//pRgbColorFillSymbol.Transparency = bt;
pSimpleFillSymbol.Color = pRgbColorFillSymbol;
//IBalloonCallout 接口
IBalloonCallout pBalloonCallout = new BalloonCalloutClass();//弹出标签的背景
pBalloonCallout.Style = _style;//选择弹出标签样式，请尝试另外两种样式
pBalloonCallout.Symbol = pSimpleFillSymbol;//填充
pBalloonCallout.LeaderTolerance = 1;
pBalloonCallout.AnchorPoint = pPointAnchor;//定位点
//创建点标注
ITextSymbol pTextSymbol = new TextSymbolClass();
IFormattedTextSymbol pFormattedTextSymbol = pTextSymbol as IFormattedTextSymbol;
pFormattedTextSymbol.Background = pBalloonCallout as ITextBackground;//设置背景
//字体相关设置
IRgbColor pRgbColorTextSymbol = new RgbColorClass();//字体颜色
pRgbColorTextSymbol.RGB = tColor;
//pRgbColorTextSymbol.Red = 0;
//pRgbColorTextSymbol.Green = 0;
//pRgbColorTextSymbol.Blue = 0;
pFormattedTextSymbol.Color = pRgbColorTextSymbol;
pFormattedTextSymbol.Font.Name = "宋体";
pFormattedTextSymbol.Size = _FontSize;
pFormattedTextSymbol.HorizontalAlignment = esriTextHorizontalAlignment.esriTHALeft;//对齐方式
pFormattedTextSymbol.VerticalAlignment = esriTextVerticalAlignment.esriTVATop;
ISimpleTextSymbol pSimpleTextSymbol = pTextSymbol as ISimpleTextSymbol;
pSimpleTextSymbol.XOffset = 15;
pSimpleTextSymbol.YOffset = 0;
//加点标签
ITextElement pTextElement = new TextElementClass();
pTextElement.Symbol = pFormattedTextSymbol as ITextSymbol;
pTextElement.Text = strText;//显示的标注文本
IElement pElement = pTextElement as IElement;
pElement.Geometry = pPointAnchor as IGeometry;//位置 pPointPosition
IElementProperties pElementProperties = pElement as IElementProperties;
pElementProperties.Name = strName;//IElement的名称
pElementCollection.Add(pElementProperties as IElement, -1);
}
public IBalloonCallout CreateBalloonCallout(double x, double y)
{
IRgbColor pRgbClr = new RgbColorClass();
pRgbClr.Red = 255;
pRgbClr.Blue = 255;
pRgbClr.Green = 255;
ISimpleFillSymbol pSmplFill = new SimpleFillSymbolClass();
pSmplFill.Color = pRgbClr;
pSmplFill.Style = esriSimpleFillStyle.esriSFSSolid;
IBalloonCallout pBllnCallout = new BalloonCalloutClass();
pBllnCallout.Style = esriBalloonCalloutStyle.esriBCSRectangle;
pBllnCallout.Symbol = pSmplFill;
pBllnCallout.LeaderTolerance = 1;
IPoint pPoint = new ESRI.ArcGIS.Geometry.PointClass();
pPoint.X = x;
pPoint.Y = y;
pBllnCallout.AnchorPoint = pPoint;
return pBllnCallout;
}
//TextSymbol
private void button18_Click(object sender, EventArgs e)
{
ITextSymbol textSymbol = new TextSymbolClass();
System.Drawing.Font drawFont = new System.Drawing.Font("宋体", 16, FontStyle.Bold);
stdole.IFontDisp fontDisp = (stdole.IFontDisp)(new stdole.StdFontClass());
textSymbol.Font = fontDisp;
textSymbol.Color = getRGB(0, 255, 0);
textSymbol.Size = 20;
IPolyline polyline = new PolylineClass();
IPoint point = new PointClass();
point.PutCoords(1, 1);
polyline.FromPoint = point;
point.PutCoords(10, 10);
polyline.ToPoint = point;
ITextPath textPath = new BezierTextPathClass();
//创建简单标注
ILineSymbol lineSymbol = new SimpleLineSymbolClass();
lineSymbol.Color = getRGB(255, 0, 0);
lineSymbol.Width = 5;
ISimpleTextSymbol simpleTextSymbol = textSymbol as ISimpleTextSymbol;
simpleTextSymbol.TextPath = textPath;
object oLineSymbol = lineSymbol;
object oTextSymbol = textSymbol;
IActiveView activeView = this.axMapControl1.ActiveView;
activeView.ScreenDisplay.StartDrawing(activeView.ScreenDisplay.hDC, (short)esriScreenCache.esriNoScreenCache);
activeView.ScreenDisplay.SetSymbol(oLineSymbol as ISymbol);
activeView.ScreenDisplay.DrawPolyline(polyline as IGeometry);
activeView.ScreenDisplay.SetSymbol(oTextSymbol as ISymbol);
activeView.ScreenDisplay.DrawText(polyline as IGeometry, "简单标注");;
activeView.ScreenDisplay.FinishDrawing();
//创建气泡标注（两中风格，一种是有锚点，一种是marker方式）
//锚点方式
ISimpleFillSymbol simpleFillSymbol = new SimpleFillSymbolClass();
simpleFillSymbol.Color = getRGB(0, 255, 0);
simpleFillSymbol.Style = esriSimpleFillStyle.esriSFSSolid;
IBalloonCallout balloonCallout = new BalloonCalloutClass();
balloonCallout.Style = esriBalloonCalloutStyle.esriBCSRectangle;
balloonCallout.Symbol = simpleFillSymbol;
balloonCallout.LeaderTolerance = 10;
point.PutCoords(5, 5);
balloonCallout.AnchorPoint = point;
IGraphicsContainer graphicsContainer = activeView as IGraphicsContainer;
IFormattedTextSymbol formattedTextSymbol = new TextSymbolClass();
formattedTextSymbol.Color = getRGB(0, 0, 255);
point.PutCoords(10, 5);
ITextBackground textBackground = balloonCallout as ITextBackground;
formattedTextSymbol.Background = textBackground;
activeView.ScreenDisplay.StartDrawing(activeView.ScreenDisplay.hDC, (short)esriScreenCache.esriNoScreenCache);
activeView.ScreenDisplay.SetSymbol(formattedTextSymbol as ISymbol);
activeView.ScreenDisplay.DrawText(point as IGeometry, "气泡1");
activeView.ScreenDisplay.FinishDrawing();
//marker方式
textSymbol = new TextSymbolClass();
textSymbol.Color = getRGB(255, 0, 0);
textSymbol.Angle = 0;
textSymbol.RightToLeft = false;
textSymbol.VerticalAlignment = esriTextVerticalAlignment.esriTVABaseline;
textSymbol.HorizontalAlignment = esriTextHorizontalAlignment.esriTHAFull;
IMarkerTextBackground markerTextBackground = new MarkerTextBackgroundClass();
markerTextBackground.ScaleToFit = true;
markerTextBackground.TextSymbol = textSymbol;
IRgbColor rgbColor = new RgbColorClass();
IPictureMarkerSymbol pictureMarkerSymbol = new PictureMarkerSymbolClass();
//string fileName = @"E:\vs2005\第五章\lesson2\lesson2\data\qq.bmp";
string path = Directory.GetCurrentDirectory();
string fileName = path + @"\qq.bmp";
pictureMarkerSymbol.CreateMarkerSymbolFromFile(esriIPictureType.esriIPictureBitmap, fileName);
pictureMarkerSymbol.Angle = 0;
pictureMarkerSymbol.BitmapTransparencyColor = rgbColor;
pictureMarkerSymbol.Size = 20;
pictureMarkerSymbol.XOffset = 0;
pictureMarkerSymbol.YOffset = 0;
markerTextBackground.Symbol = pictureMarkerSymbol as IMarkerSymbol;
formattedTextSymbol = new TextSymbolClass();
formattedTextSymbol.Color = getRGB(255, 0, 0);
fontDisp.Size = 10;
fontDisp.Bold = true;
formattedTextSymbol.Font = fontDisp;
point.PutCoords(15, 5);
formattedTextSymbol.Background = markerTextBackground;
activeView.ScreenDisplay.StartDrawing(activeView.ScreenDisplay.hDC, (short)esriScreenCache.esriNoScreenCache);
activeView.ScreenDisplay.SetSymbol(formattedTextSymbol as ISymbol);
activeView.ScreenDisplay.DrawText(point as IGeometry, "气泡2");
activeView.ScreenDisplay.FinishDrawing();
}
private void AddCallOutElement(IPolyline pPolyline)
{
IGraphicsContainer pGraphicCtn = m_pActiveView.GraphicsContainer;
try
{
frmEdit frmCallOut = new frmEdit(true);
PublicClass.POINTAPI pos = new PublicClass.POINTAPI();
PublicClass.GetCursorPos(ref pos);
frmCallOut.Location = new System.Drawing.Point(pos.x, pos.y); // * pScreen.BitsPerPixel
int scrW = Screen.PrimaryScreen.WorkingArea.Width; //主显示宽度
int scrH = Screen.PrimaryScreen.WorkingArea.Height; //主显示高度
frmCallOut.Location = new System.Drawing.Point(pos.x, pos.y); // * pScreen.BitsPerPixel
if (pos.x + frmCallOut.Width > scrW &&
pos.y + frmCallOut.Height > scrH) //超出显示器边界宽和高，则迂回
{
frmCallOut.Location = new System.Drawing.Point(scrW - frmCallOut.Width,
scrH - frmCallOut.Height);
}
if (pos.x + frmCallOut.Width > scrW &&
pos.y + frmCallOut.Height < scrH) //超出显示器边界宽，则迂回
{
frmCallOut.Location = new System.Drawing.Point(scrW - frmCallOut.Width, pos.y);
}
if (pos.x + frmCallOut.Width < scrW &&
pos.y + frmCallOut.Height > scrH) //超出显示器边界高，则迂回
{
frmCallOut.Location = new System.Drawing.Point(pos.x, scrH - frmCallOut.Height);
}
frmCallOut.ShowDialog();
if (frmCallOut.DialogResult == System.Windows.Forms.DialogResult.Cancel)
{
return;
}
ITextElement pTextElement = new TextElementClass();
pTextElement.ScaleText = true;
pTextElement.Text = frmCallOut.AnnoText;
IFormattedTextSymbol pTextSymbol = (IFormattedTextSymbol)frmCallOut.m_pTextSymbol;
IBalloonCallout pCallout = new BalloonCalloutClass();
pCallout.Symbol = frmCallOut.m_pFillSymbol;
pCallout.AnchorPoint = pPolyline.FromPoint;
pTextSymbol.Background = (ITextBackground)pCallout;
pTextElement.Symbol = pTextSymbol as ITextSymbol;
IElement pElement = (IElement)pTextElement;
pElement.Geometry = pPolyline.ToPoint;
//刷新显示
frmCallOut.Dispose();
IGraphicsContainerSelect pGraphicsSel = pGraphicCtn as IGraphicsContainerSelect;
pGraphicsSel.UnselectAllElements();
pGraphicsSel.SelectElement(pElement);
pGraphicCtn.AddElement(pElement, 0);
m_pActiveView.PartialRefresh(esriViewDrawPhase.esriViewGraphics, null, null);
}
catch (Exception ex)
{
System.Windows.Forms.MessageBox.Show("添加文本注记失败：" + ex.Message, "提示");
return;
}
}
