private static UIElement RenderGeometry(IViewport viewport, IStyle style, Providers.IFeature feature)
{
if (feature.Geometry is Geometries.Point)
{
return(GeometryRenderer.RenderPoint(feature.Geometry as Geometries.Point, style, viewport));
}
if (feature.Geometry is MultiPoint)
{
return(GeometryRenderer.RenderMultiPoint(feature.Geometry as MultiPoint, style, viewport));
}
if (feature.Geometry is LineString)
{
return(GeometryRenderer.RenderLineString(feature.Geometry as LineString, style, viewport));
}
if (feature.Geometry is MultiLineString)
{
return(GeometryRenderer.RenderMultiLineString(feature.Geometry as MultiLineString, style, viewport));
}
if (feature.Geometry is Polygon)
{
return(GeometryRenderer.RenderPolygon(feature.Geometry as Polygon, style, viewport));
}
if (feature.Geometry is MultiPolygon)
{
return(GeometryRenderer.RenderMultiPolygon(feature.Geometry as MultiPolygon, style, viewport));
}
if (feature.Geometry is IRaster)
{
return(GeometryRenderer.RenderRaster(feature.Geometry as IRaster, style, viewport));
}
return(null);
}
private static void PositionGeometry(UIElement renderedGeometry, IViewport viewport, IStyle style, Providers.IFeature feature)
{
if (feature.Geometry is Geometries.Point)
{
GeometryRenderer.PositionPoint(renderedGeometry, feature.Geometry as Geometries.Point, style, viewport);
}
if (feature.Geometry is MultiPoint)
{
GeometryRenderer.PositionGeometry(renderedGeometry, viewport);
}
if (feature.Geometry is LineString)
{
GeometryRenderer.PositionGeometry(renderedGeometry, viewport);
}
if (feature.Geometry is MultiLineString)
{
GeometryRenderer.PositionGeometry(renderedGeometry, viewport);
}
if (feature.Geometry is Polygon)
{
GeometryRenderer.PositionGeometry(renderedGeometry, viewport);
}
if (feature.Geometry is MultiPolygon)
{
GeometryRenderer.PositionGeometry(renderedGeometry, viewport);
}
if (feature.Geometry is IRaster)
{
GeometryRenderer.PositionRaster(renderedGeometry, feature.Geometry.GetBoundingBox(), viewport);
}
}
private static void RenderFeature(Canvas canvas, IViewport viewport, IStyle style, Providers.IFeature feature)
{
if (style is LabelStyle)
{
canvas.Children.Add(LabelRenderer.RenderLabel(feature.Geometry.GetBoundingBox().GetCentroid(), new Offset(), style as LabelStyle, viewport));
}
else
{
var renderedGeometry = feature.RenderedGeometry.ContainsKey(style) ? feature.RenderedGeometry[style] as UIElement : null;
if (renderedGeometry == null)
{
renderedGeometry = RenderGeometry(viewport, style, feature);
feature.RenderedGeometry[style] = renderedGeometry;
}
else
{
PositionGeometry(renderedGeometry, viewport, style, feature);
}
canvas.Children.Add(renderedGeometry);
}
}
