public override IGeometry VerticalMirror(IPoint ipoint_0)
{
object value = Missing.Value;
IGeometryCollection mPGeometry = this.m_pGeometry as IGeometryCollection;
IGeometryCollection polylineClass = new Polyline() as IGeometryCollection;
for (int i = 0; i < mPGeometry.GeometryCount; i++)
{
ISegmentCollection geometry = mPGeometry.Geometry[i] as ISegmentCollection;
ISegmentCollection pathClass = new ESRI.ArcGIS.Geometry.Path() as ISegmentCollection;
int num = 0;
while (num < geometry.SegmentCount)
{
ISegment segment = this.method_4(geometry.Segment[num], ipoint_0);
pathClass.AddSegment(segment, ref value, ref value);
i++;
}
polylineClass.AddGeometry(geometry as IGeometry, ref value, ref value);
}
return(polylineClass as IGeometry);
}
private Image SymbolToBitmap(IGradientFillSymbol iSymbol, int iStyle, int iWidth, int iHeight)
{
IntPtr iHDC = new IntPtr();
Bitmap iBitmap = new Bitmap(iWidth, iHeight);
Graphics iGraphics = System.Drawing.Graphics.FromImage(iBitmap);
tagRECT itagRECT;
IEnvelope iEnvelope = new EnvelopeClass() as IEnvelope;
IDisplayTransformation iDisplayTransformation;
IPoint iPoint;
IGeometryCollection iPolyline;
IGeometryCollection iPolygon;
IRing iRing;
ISegmentCollection iSegmentCollection;
IGeometry iGeometry = null;
object Missing = Type.Missing;
iEnvelope.PutCoords(0, 0, iWidth, iHeight);
itagRECT.left = 0;
itagRECT.right = iWidth;
itagRECT.top = 0;
itagRECT.bottom = iHeight;
iDisplayTransformation = new DisplayTransformationClass();
iDisplayTransformation.VisibleBounds = iEnvelope;
iDisplayTransformation.Bounds = iEnvelope;
iDisplayTransformation.set_DeviceFrame(ref itagRECT);
iDisplayTransformation.Resolution = iGraphics.DpiX / 100000;
iHDC = iGraphics.GetHdc();
//获取Geometry;
if (iSymbol is ESRI.ArcGIS.Display.IMarkerSymbol)
{
switch (iStyle)
{
case 0:
iPoint = new ESRI.ArcGIS.Geometry.Point();
iPoint.PutCoords(iWidth / 2, iHeight / 2);
iGeometry = iPoint;
break;
default:
break;
}
}
else
{
if (iSymbol is ESRI.ArcGIS.Display.ILineSymbol)
{
iSegmentCollection = new ESRI.ArcGIS.Geometry.Path() as ISegmentCollection;
iPolyline = new ESRI.ArcGIS.Geometry.Polyline() as IGeometryCollection;
switch (iStyle)
{
case 0:
iSegmentCollection.AddSegment(CreateLine(0, iHeight / 2, iWidth, iHeight / 2) as ISegment, ref Missing, ref Missing);
iPolyline.AddGeometry(iSegmentCollection as IGeometry, ref Missing, ref Missing);
iGeometry = iPolyline as IGeometry;
break;
case 1:
iSegmentCollection.AddSegment(CreateLine(0, iHeight / 4, iWidth / 4, 3 * iHeight / 4) as ISegment, ref Missing, ref Missing);
iSegmentCollection.AddSegment(CreateLine(iWidth / 4, 3 * iHeight / 4, 3 * iWidth / 4, iHeight / 4) as ISegment, ref Missing, ref Missing);
iSegmentCollection.AddSegment(CreateLine(3 * iWidth / 4, iHeight / 4, iWidth, 3 * iHeight / 4) as ISegment, ref Missing, ref Missing);
iPolyline.AddGeometry(iSegmentCollection as IGeometry, ref Missing, ref Missing);
iGeometry = iPolyline as IGeometry;
break;
default:
break;
}
}
else
if (iSymbol is ESRI.ArcGIS.Display.IFillSymbol)
{
iSegmentCollection = new ESRI.ArcGIS.Geometry.Ring() as ISegmentCollection;
iPolygon = new ESRI.ArcGIS.Geometry.Polygon() as IGeometryCollection;
switch (iStyle)
{
case 0:
iSegmentCollection.AddSegment(CreateLine(5, iHeight - 5, iWidth - 6, iHeight - 5) as ISegment, ref Missing, ref Missing);
iSegmentCollection.AddSegment(CreateLine(iWidth - 6, iHeight - 5, iWidth - 6, 6) as ISegment, ref Missing, ref Missing);
iSegmentCollection.AddSegment(CreateLine(iWidth - 6, 6, 5, 6) as ISegment, ref Missing, ref Missing);
iRing = iSegmentCollection as IRing;
iRing.Close();
iPolygon.AddGeometry(iSegmentCollection as IGeometry, ref Missing, ref Missing);
iGeometry = iPolygon as IGeometry;
break;
default:
break;
}
}
else
if (iSymbol is ESRI.ArcGIS.Display.ISimpleTextSymbol)
{
switch (iStyle)
{
case 0:
iPoint = new ESRI.ArcGIS.Geometry.Point();
iPoint.PutCoords(iWidth / 2, iHeight / 2);
iGeometry = iPoint;
break;
default:
break;
}
}
}////////////////////////
if (iGeometry == null)
{
MessageBox.Show("几何对象不符合！", "错误");
return(null);
}
ISymbol pOutputSymbol = iSymbol as ISymbol;
pOutputSymbol.SetupDC(iHDC.ToInt32(), iDisplayTransformation);
pOutputSymbol.Draw(iGeometry);
pOutputSymbol.ResetDC();
iGraphics.ReleaseHdc(iHDC);
iGraphics.Dispose();
return(iBitmap);
}
public bool Snap(IGeometry igeometry_0, IPoint ipoint_0, double double_0)
{
ILine lineClass;
double length = 0;
int num = 0;
int num1 = 0;
bool flag = true;
IPoint pointClass = new ESRI.ArcGIS.Geometry.Point();
double num2 = 1000;
bool flag1 = false;
object value = Missing.Value;
IPoint ipoint0 = ipoint_0;
IPoint point = null;
point = (!(igeometry_0 is IPoint) ? ((IPointCollection)igeometry_0).Point[0] : (IPoint)igeometry_0);
for (int i = 0; i < this.ifeatureCache_0.Count; i++)
{
IHitTest shape = (IHitTest)this.ifeatureCache_0.Feature[i].Shape;
if (shape.HitTest(ipoint0, double_0, esriGeometryHitPartType.esriGeometryPartBoundary, pointClass,
ref length, ref num, ref num1, ref flag))
{
IGeometryCollection geometryCollection = shape as IGeometryCollection;
if (geometryCollection != null)
{
ISegmentCollection geometry = geometryCollection.Geometry[num] as ISegmentCollection;
if (geometry != null)
{
ISegment segment = geometry.Segment[num1];
if (segment is ICircularArc)
{
IPoint centerPoint = ((ICircularArc)segment).CenterPoint;
ILine line = new Line();
line.PutCoords(point, centerPoint);
double length1 = line.Length;
IConstructCircularArc circularArcClass = new CircularArc() as IConstructCircularArc;
circularArcClass.ConstructCircle(point, length1, true);
IGeometryCollection polylineClass = new Polyline() as IGeometryCollection;
ISegmentCollection pathClass = new ESRI.ArcGIS.Geometry.Path() as ISegmentCollection;
pathClass.AddSegment((ISegment)circularArcClass, ref value, ref value);
polylineClass.AddGeometry((IGeometry)pathClass, ref value, ref value);
((ITopologicalOperator)polylineClass).Simplify();
IGeometryCollection polylineClass1 = new Polyline() as IGeometryCollection;
ISegmentCollection segmentCollection = new Path() as ISegmentCollection;
segmentCollection.AddSegment(segment, ref value, ref value);
polylineClass1.AddGeometry((IGeometry)segmentCollection, ref value, ref value);
((ITopologicalOperator)polylineClass1).Simplify();
IGeometry geometry1 =
((ITopologicalOperator)polylineClass).Intersect((IGeometry)polylineClass1,
esriGeometryDimension.esriGeometry0Dimension);
if (geometry1 != null)
{
if (!(geometry1 is IPointCollection))
{
lineClass = new Line();
lineClass.PutCoords((IPoint)geometry1, ipoint0);
if (num2 > length)
{
num2 = length;
pointClass = ((IPointCollection)geometry1).Point[0];
ipoint_0.PutCoords(pointClass.X, pointClass.Y);
flag1 = true;
}
}
else
{
lineClass = new Line();
ILine lineClass1 = new Line();
lineClass.PutCoords(((IPointCollection)geometry1).Point[0], ipoint0);
lineClass1.PutCoords(((IPointCollection)geometry1).Point[1], ipoint0);
if (lineClass.Length <= lineClass1.Length)
{
length = lineClass.Length;
pointClass = ((IPointCollection)geometry1).Point[0];
}
else
{
length = lineClass1.Length;
pointClass = ((IPointCollection)geometry1).Point[1];
}
if (num2 > length)
{
num2 = length;
pointClass = ((IPointCollection)geometry1).Point[0];
ipoint_0.PutCoords(pointClass.X, pointClass.Y);
flag1 = true;
}
}
}
}
}
}
}
}
return(flag1);
}