private void ConvertPointAnnotation()
{
IPointPlacementPriorities pointPlacementPriorities = new PointPlacementPrioritiesClass();
pointPlacementPriorities.AboveLeft = (int)numAboveLeft.Value;
pointPlacementPriorities.AboveCenter = (int)numAboveCenter.Value;
pointPlacementPriorities.AboveRight = (int)numAboveRight.Value;
pointPlacementPriorities.CenterRight = (int)numCenterRight.Value;
pointPlacementPriorities.BelowRight = (int)numBelowRight.Value;
pointPlacementPriorities.BelowCenter = (int)numBelowCenter.Value;
pointPlacementPriorities.BelowLeft = (int)numBelowLeft.Value;
pointPlacementPriorities.CenterLeft = (int)numCenterLeft.Value;
IRgbColor rgbColor = new RgbColorClass();
rgbColor.Red = cmbSetAnnoPointColor.Color.R;
rgbColor.Blue = cmbSetAnnoPointColor.Color.B;
rgbColor.Green = cmbSetAnnoPointColor.Color.G;
esriBasicOverposterWeight labelWeight = (esriBasicOverposterWeight)Enum.Parse(typeof(esriBasicOverposterWeight), radioGroupPointLabelWeight.EditValue.ToString());
esriBasicOverposterWeight featureWeight = (esriBasicOverposterWeight)Enum.Parse(typeof(esriBasicOverposterWeight), radioGroupPointFeatureWeight.EditValue.ToString());
esriLabelWhichFeatures selectionType = (esriLabelWhichFeatures)Enum.Parse(typeof(esriLabelWhichFeatures), radioGroupSelectionType.EditValue.ToString());
string expression = TxtPointExpression.Text;
ConvertAnnotation(_context.FocusMap, _pointFeatureLayer, txtPointAno.Text, Convert.ToDouble(cboScale.Text), _workspace, null,
pointPlacementPriorities, labelWeight, featureWeight,
checkBoxPointPlaceOverlappingLabels.Checked == false, cmbSetAnnoPointFront.Text,
(double)numSetAnnoPointFrontSize.Value, rgbColor, expression, chbPointLinked.Checked, selectionType);
}
/// <summary>
/// Annotate Layer
/// </summary>
/// <param name="layer"></param>
/// <param name="labelField"></param>
/// <author>Shen Yongyuan</author>
/// <date>20091111</date>
public static void AnnotateLayer(ILayer layer, string labelField)
{
IFeatureLayer feaLayer = layer as IFeatureLayer;
IGeoFeatureLayer geoFeaLayer = layer as IGeoFeatureLayer;
IAnnotateLayerPropertiesCollection pAnnoProps = geoFeaLayer.AnnotationProperties;
pAnnoProps.Clear();
ITextSymbol pTextSyl = new TextSymbolClass();
Font fnt = new System.Drawing.Font("宋体", 10f, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point);
pTextSyl.Size = 10;
//pTextSyl.Font = ESRI.ArcGIS.ADF.COMSupport.OLE.GetIFontDispFromFont(fnt) as stdole.IFontDisp;
pTextSyl.Color = Town.ArcGIS.Color.ToEsriColor(System.Drawing.Color.Black);
IBasicOverposterLayerProperties pBasic = new BasicOverposterLayerPropertiesClass();
if (feaLayer.FeatureClass.ShapeType == esriGeometryType.esriGeometryPolygon)
{
ILineLabelPosition pPosition = new LineLabelPositionClass();
ILineLabelPlacementPriorities pPlacementLine = new LineLabelPlacementPrioritiesClass();
pBasic.FeatureType = esriBasicOverposterFeatureType.esriOverposterPolygon;
pBasic.LineLabelPlacementPriorities = pPlacementLine;
pBasic.LineLabelPosition = pPosition;
}
else if (feaLayer.FeatureClass.ShapeType == esriGeometryType.esriGeometryPoint)
{
IPointPlacementPriorities pPlacementPoint = new PointPlacementPrioritiesClass();
pBasic.FeatureType = esriBasicOverposterFeatureType.esriOverposterPoint;
pBasic.PointPlacementPriorities = pPlacementPoint;
pBasic.PointPlacementOnTop = false;
pBasic.PointPlacementMethod = esriOverposterPointPlacementMethod.esriAroundPoint;
}
else if (feaLayer.FeatureClass.ShapeType == esriGeometryType.esriGeometryPolyline)
{
ILineLabelPosition pPosition = new LineLabelPositionClass();
ILineLabelPlacementPriorities pPlacementLine = new LineLabelPlacementPrioritiesClass();
pBasic.FeatureType = esriBasicOverposterFeatureType.esriOverposterPolyline;
pBasic.LineLabelPlacementPriorities = pPlacementLine;
pBasic.LineLabelPosition = pPosition;
}
pBasic.LabelWeight = esriBasicOverposterWeight.esriHighWeight;
pBasic.FeatureWeight = esriBasicOverposterWeight.esriNoWeight;
ILabelEngineLayerProperties pLabelEngine = new LabelEngineLayerPropertiesClass();
pLabelEngine.Symbol = pTextSyl;
pLabelEngine.BasicOverposterLayerProperties = pBasic;
pLabelEngine.Expression = "[" + labelField + "]";
IAnnotateLayerProperties pAnnoLayerProps = pLabelEngine as IAnnotateLayerProperties;
pAnnoProps.Add(pAnnoLayerProps);
geoFeaLayer.DisplayAnnotation = true;
}
private void btnuse_Click(object sender, EventArgs e)
{
try
{
IFontDisp pFont = new StdFontClass() as IFontDisp;
pTextSymbol.Color = ClsGDBDataCommon.ColorToIColor(symbolcolor.SelectedColor);
pFont.Bold = toolBtnBold.Checked;
pFont.Italic = toolBtnIntend.Checked;
pFont.Strikethrough = toolBtnStrikethrough.Checked;
pFont.Underline = toolBtnUnderline.Checked;
pFont.Name = cmbfont.Text;
pFont.Size = decimal.Parse(cmbsize.Text);
pTextSymbol.Font = pFont;
IGeoFeatureLayer pGeoLayer = (IGeoFeatureLayer)pLayer;
pGeoLayer.AnnotationProperties.Clear();
ILabelEngineLayerProperties pLabelEngine = new LabelEngineLayerPropertiesClass();
pLabelEngine.Symbol = pTextSymbol;
//pLabelEngine2.BasicOverposterLayerProperties = pBasicProperties as IBasicOverposterLayerProperties;
if (cmbfields.Text.Contains("[") && cmbfields.Text.Contains("]"))
{
pLabelEngine.Expression = cmbfields.Text;
}
else
{
string Exptext = "[" + cmbfields.Text + "]";
pLabelEngine.Expression = Exptext;
}
IBasicOverposterLayerProperties4 pBasic = new BasicOverposterLayerPropertiesClass();
//pBasic.PolygonPlacementMethod = esriOverposterPolygonPlacementMethod.esriAlwaysHorizontal;
if (chkOverLap.Checked)
{
pBasic.GenerateUnplacedLabels = true;
}
if (pLayer is IFeatureLayer)
{
IFeatureLayer featureLayer = pLayer as FeatureLayer;
if (featureLayer.FeatureClass == null)
{
return;
}
if (featureLayer.FeatureClass.ShapeType == esriGeometryType.esriGeometryPoint)
{
IPointPlacementPriorities pPointPlace = new PointPlacementPrioritiesClass();
pBasic.PointPlacementMethod = esriOverposterPointPlacementMethod.esriAroundPoint;
pBasic.PointPlacementOnTop = radioCenterTop.Checked;
SetPointPlacementPriorities(pPointPlace);
pBasic.PointPlacementPriorities = pPointPlace;
}
else if (featureLayer.FeatureClass.ShapeType == esriGeometryType.esriGeometryPolyline)
{
//更改角度
//= new LineLabelPositionClass();
IClone pSrcClone = pBasic.LineLabelPosition as IClone;
IClone pDstClone = pSrcClone.Clone();
ILineLabelPosition pLineLabelPosition = pDstClone as ILineLabelPosition;
if (pLineLabelPosition != null)
{
if (radioBtnHorizontal.Checked)
{
pLineLabelPosition.Horizontal = true;
pLineLabelPosition.Parallel = false;
pLineLabelPosition.Perpendicular = false;
}
if (radioBtnPerpendicular.Checked)
{
pLineLabelPosition.Horizontal = false;
pLineLabelPosition.Parallel = false;
pLineLabelPosition.Perpendicular = true;
}
if (radioBtnParallel.Checked)
{
pLineLabelPosition.Horizontal = false;
pLineLabelPosition.Parallel = true;
pLineLabelPosition.Perpendicular = false;
}
}
pBasic.LineLabelPosition = pLineLabelPosition;
//pBasic.PerpendicularToAngle = true;
}
else if (featureLayer.FeatureClass.ShapeType == esriGeometryType.esriGeometryPolygon)
{
pBasic.PolygonPlacementMethod = esriOverposterPolygonPlacementMethod.esriAlwaysHorizontal;
}
}
//赋给labelEngine
pLabelEngine.BasicOverposterLayerProperties = pBasic as IBasicOverposterLayerProperties;
IAnnotateLayerProperties pAnnoLayerP = (IAnnotateLayerProperties)pLabelEngine;
pAnnoLayerP.DisplayAnnotation = chklabel.Checked;
pAnnoLayerP.FeatureLayer = pGeoLayer;
pAnnoLayerP.LabelWhichFeatures = esriLabelWhichFeatures.esriVisibleFeatures;
pAnnoLayerP.WhereClause = "";
pGeoLayer.AnnotationProperties.Add(pAnnoLayerP);
pGeoLayer.DisplayAnnotation = chklabel.Checked;
pMapControl.ActiveView.Refresh();
//if (pTocControl.Buddy == pMapControl.Object)
//{
// pTocControl.SetBuddyControl(pMapControl);
// pMapControl.ActiveView.PartialRefresh(esriViewDrawPhase.esriViewGeography, null, null);
// pTocControl.ActiveView.PartialRefresh(esriViewDrawPhase.esriViewGeography, null, null);
//}
//else if (pTocControl.Buddy.Equals(pSceneControl.Object))
//{
// pTocControl.SetBuddyControl(pSceneControl);
// IActiveView pActiveView = pSceneControl.Scene as IActiveView;
// pActiveView.PartialRefresh(esriViewDrawPhase.esriViewGeography, pLayer, null);
// pTocControl.ActiveView.PartialRefresh(esriViewDrawPhase.esriViewGeography, null, null);
//}
}
catch (System.Exception ex)
{
}
}
