protected void RenderGeometry(Graphics g, Map map, Geometry feature, VectorStyle style)
{
GeometryType2 geometryType = feature.GeometryType;
switch (geometryType)
{
case GeometryType2.Polygon:
if (style.EnableOutline)
{
VectorRenderer.DrawPolygon(g, (Polygon)feature, style.Fill, style.Outline, _clippingEnabled,
map);
}
else
{
VectorRenderer.DrawPolygon(g, (Polygon)feature, style.Fill, null, _clippingEnabled, map);
}
break;
case GeometryType2.MultiPolygon:
if (style.EnableOutline)
{
VectorRenderer.DrawMultiPolygon(g, (MultiPolygon)feature, style.Fill, style.Outline,
_clippingEnabled, map);
}
else
{
VectorRenderer.DrawMultiPolygon(g, (MultiPolygon)feature, style.Fill, null, _clippingEnabled,
map);
}
break;
case GeometryType2.LineString:
if (style.LineSymbolizer != null)
{
style.LineSymbolizer.Render(map, (LineString)feature, g);
return;
}
VectorRenderer.DrawLineString(g, (LineString)feature, style.Line, map, style.LineOffset);
return;
case GeometryType2.MultiLineString:
if (style.LineSymbolizer != null)
{
style.LineSymbolizer.Render(map, (MultiLineString)feature, g);
return;
}
VectorRenderer.DrawMultiLineString(g, (MultiLineString)feature, style.Line, map, style.LineOffset);
break;
case GeometryType2.Point:
if (style.PointSymbolizer != null)
{
VectorRenderer.DrawPoint(style.PointSymbolizer, g, (Point)feature, map);
return;
}
if (style.Symbol != null || style.PointColor == null)
{
VectorRenderer.DrawPoint(g, (Point)feature, style.Symbol, style.SymbolScale, style.SymbolOffset,
style.SymbolRotation, map);
return;
}
VectorRenderer.DrawPoint(g, (Point)feature, style.PointColor, style.PointSize, style.SymbolOffset, map);
break;
case GeometryType2.MultiPoint:
//case "SharpMap.Geometries.MultiPoint":
if (style.PointSymbolizer != null)
{
VectorRenderer.DrawMultiPoint(style.PointSymbolizer, g, (MultiPoint)feature, map);
}
if (style.Symbol != null || style.PointColor == null)
{
VectorRenderer.DrawMultiPoint(g, (MultiPoint)feature, style.Symbol, style.SymbolScale,
style.SymbolOffset, style.SymbolRotation, map);
}
else
{
VectorRenderer.DrawMultiPoint(g, (MultiPoint)feature, style.PointColor, style.PointSize, style.SymbolOffset, map);
}
break;
case GeometryType2.GeometryCollection:
//case "SharpMap.Geometries.GeometryCollection":
foreach (Geometry geom in (GeometryCollection)feature)
{
RenderGeometry(g, map, geom, style);
}
break;
default:
break;
}
}
/// <summary>
/// Method to render <paramref name="feature"/> using <paramref name="style"/>
/// </summary>
/// <param name="g">The graphics object</param>
/// <param name="map">The map</param>
/// <param name="feature">The feature's geometry</param>
/// <param name="style">The style to apply</param>
protected void RenderGeometry(Graphics g, Map map, IGeometry feature, VectorStyle style)
{
if (feature == null)
{
return;
}
var geometryType = feature.OgcGeometryType;
switch (geometryType)
{
case OgcGeometryType.Polygon:
if (style.EnableOutline)
{
VectorRenderer.DrawPolygon(g, (IPolygon)feature, style.Fill, style.Outline, _clippingEnabled,
map);
}
else
{
VectorRenderer.DrawPolygon(g, (IPolygon)feature, style.Fill, null, _clippingEnabled, map);
}
break;
case OgcGeometryType.MultiPolygon:
if (style.EnableOutline)
{
VectorRenderer.DrawMultiPolygon(g, (IMultiPolygon)feature, style.Fill, style.Outline,
_clippingEnabled, map);
}
else
{
VectorRenderer.DrawMultiPolygon(g, (IMultiPolygon)feature, style.Fill, null, _clippingEnabled,
map);
}
break;
case OgcGeometryType.LineString:
if (style.LineSymbolizer != null)
{
style.LineSymbolizer.Render(map, (ILineString)feature, g);
return;
}
VectorRenderer.DrawLineString(g, (ILineString)feature, style.Line, map, style.LineOffset);
return;
case OgcGeometryType.MultiLineString:
if (style.LineSymbolizer != null)
{
style.LineSymbolizer.Render(map, (IMultiLineString)feature, g);
return;
}
VectorRenderer.DrawMultiLineString(g, (IMultiLineString)feature, style.Line, map, style.LineOffset);
break;
case OgcGeometryType.Point:
if (style.PointSymbolizer != null)
{
VectorRenderer.DrawPoint(style.PointSymbolizer, g, (IPoint)feature, map);
return;
}
if (style.Symbol != null || style.PointColor == null)
{
VectorRenderer.DrawPoint(g, (IPoint)feature, style.Symbol, style.SymbolScale, style.SymbolOffset,
style.SymbolRotation, map);
return;
}
VectorRenderer.DrawPoint(g, (IPoint)feature, style.PointColor, style.PointSize, style.SymbolOffset, map);
break;
case OgcGeometryType.MultiPoint:
if (style.PointSymbolizer != null)
{
VectorRenderer.DrawMultiPoint(style.PointSymbolizer, g, (IMultiPoint)feature, map);
}
if (style.Symbol != null || style.PointColor == null)
{
VectorRenderer.DrawMultiPoint(g, (IMultiPoint)feature, style.Symbol, style.SymbolScale,
style.SymbolOffset, style.SymbolRotation, map);
}
else
{
VectorRenderer.DrawMultiPoint(g, (IMultiPoint)feature, style.PointColor, style.PointSize, style.SymbolOffset, map);
}
break;
case OgcGeometryType.GeometryCollection:
IGeometryCollection coll = (IGeometryCollection)feature;
for (var i = 0; i < coll.NumGeometries; i++)
{
IGeometry geom = coll[i];
RenderGeometry(g, map, geom, style);
}
break;
default:
break;
}
}