public void Draw(IDisplay display, IGeometry geometry)
{
var gp = DisplayOperations.Geometry2GraphicsPath(display, geometry);
if (gp != null)
{
this.FillPath(display, gp);
SimpleFillSymbol.DrawOutlineSymbol(display, _outlineSymbol, geometry, gp);
gp.Dispose(); gp = null;
}
}
public void Draw(IDisplay display, IGeometry geometry)
{
Polygon p = new Polygon();
p.AddRing(display.Envelope.ToPolygon(0)[0]);
if (geometry is IPolygon)
{
for (int i = 0; i < ((IPolygon)geometry).RingCount; i++)
{
var ring = ((IPolygon)geometry)[i];
if (SpatialAlgorithms.Algorithm.Intersects(display.Envelope, new Polygon(ring)))
{
p.AddRing(ring);
}
}
}
else if (geometry is IAggregateGeometry)
{
for (int g = 0; g < ((IAggregateGeometry)geometry).GeometryCount; g++)
{
if (((IAggregateGeometry)geometry)[g] is IPolygon)
{
IPolygon poly = (IPolygon)((IAggregateGeometry)geometry)[g];
for (int i = 0; i < poly.RingCount; i++)
{
var ring = poly[i];
if (SpatialAlgorithms.Algorithm.Intersects(display.Envelope, new Polygon(ring)))
{
p.AddRing(ring);
}
}
}
else
{
return;
}
}
}
var gp = DisplayOperations.Geometry2GraphicsPath(display, p);
if (gp != null)
{
this.FillPath(display, gp);
gp.Dispose(); gp = null;
}
}
public void Draw(IDisplay display, IGeometry geometry)
{
// Wenn DashStyle nicht Solid (und Antialiasing) soll Geometry erst geclippt werden,
// da es sonst zu extrem Zeitaufwendigen Graphikopertation kommt...
if (this.DashStyle != LineDashStyle.Solid &&
this.Smoothingmode != SymbolSmoothing.None)
{
IEnvelope dispEnvelope =
display.DisplayTransformation != null ?
new Envelope(display.DisplayTransformation.TransformedBounds(display)) :
new Envelope(display.Envelope);
//dispEnvelope.Raise(75);
geometry = gView.Framework.SpatialAlgorithms.Clip.PerformClip(dispEnvelope, geometry);
if (geometry == null)
{
return;
}
//GraphicsPath gp2 = DisplayOperations.Geometry2GraphicsPath(display, dispEnvelope);
//if (gp2 != null)
//{
// this.DrawPath(display, gp2);
// gp2.Dispose(); gp2 = null;
//}
}
var gp = DisplayOperations.Geometry2GraphicsPath(display, geometry);
if (gp != null)
{
//if (this.LineStartCap == LineCap.ArrowAnchor ||
// this.LineEndCap == LineCap.ArrowAnchor)
//{
// //
// // bei LineCap Arrow (Pfeil...) kann es bei sehr kurzen Linen
// // zu einer Out of Memory Exception kommen...
// //
// try
// {
// this.DrawPath(display, gp);
// }
// catch
// {
// LineCap sCap = this.LineStartCap;
// LineCap eCap = this.LineEndCap;
// this.LineStartCap = (sCap == LineCap.ArrowAnchor) ? LineCap.Triangle : sCap;
// this.LineEndCap = (eCap == LineCap.ArrowAnchor) ? LineCap.Triangle : eCap;
// this.DrawPath(display, gp);
// this.LineStartCap = sCap;
// this.LineEndCap = eCap;
// }
//}
//else
{
this.DrawPath(display, gp);
}
gp.Dispose(); gp = null;
}
}