private static void _PopulateSimpleType(IGeometrySink sink, FGeometry.IGeometry geometry)
{
sink.BeginGeometry(GeometryTypeUtils.Convert(geometry.DerivedType));
switch (geometry.DerivedType)
{
case FCommon.GeometryType.GeometryType_LineString:
using (FGeometry.DirectPositionCollection positions = ((FGeometry.ILineString)geometry).Positions)
CreateFigure(sink, positions);
break;
case FCommon.GeometryType.GeometryType_Point:
using (FGeometry.DirectPositionCollection positions = new FGeometry.DirectPositionCollection())
using (FGeometry.IDirectPosition dp = ((FGeometry.IPoint)geometry).Position)
{
positions.Add(dp);
CreateFigure(sink, positions);
}
break;
case FCommon.GeometryType.GeometryType_Polygon:
{
var polygon = (FGeometry.IPolygon)geometry;
using (FGeometry.ILinearRing exterior = polygon.ExteriorRing)
using (FGeometry.DirectPositionCollection positions = exterior.Positions)
CreateFigure(sink, positions);
for (int i = 0; i < polygon.InteriorRingCount; ++i)
{
using (FGeometry.ILinearRing interior = polygon.GetInteriorRing(i))
using (FGeometry.DirectPositionCollection positions = interior.Positions)
CreateFigure(sink, positions);
}
}
break;
default:
throw new NotSupportedException(
string.Format(
CultureInfo.CurrentCulture,
SR.UnsupportedGeometryTypeException,
geometry.DerivedType
)
);
}
sink.EndGeometry();
}
private static void CreateFigure(IGeometrySink sink, FGeometry.DirectPositionCollection positions)
{
if ((positions == null) || (positions.Count == 0))
{
return;
}
using (FGeometry.IDirectPosition p0 = positions[0])
{
if (p0.Dimensionality > 2)
{
sink.BeginFigure(p0.X, p0.Y, p0.Z);
}
else
{
sink.BeginFigure(p0.X, p0.Y, null);
}
}
for (int i = 1; i < positions.Count; ++i)
{
using (FGeometry.IDirectPosition pi = positions[i])
{
if (pi.Dimensionality > 2)
{
sink.AddLine(pi.X, pi.Y, pi.Z);
}
else
{
sink.AddLine(pi.X, pi.Y, null);
}
}
}
sink.EndFigure();
}
