public static Draw ( |
||
canvas | ||
viewport | IViewport | |
style | IStyle | |
geometry | IGeometry | |
Résultat | void |
public bool Draw(SKCanvas canvas, IReadOnlyViewport viewport, ILayer layer, IFeature feature, IStyle style, ISymbolCache symbolCache, long iteration) { try { var vectorStyle = (VectorStyle)style; var opacity = (float)(layer.Opacity * style.Opacity); switch (feature) { case RectFeature rectFeature: PolygonRenderer.Draw(canvas, viewport, vectorStyle, rectFeature, rectFeature.Rect.ToPolygon(), opacity); break; case PointFeature pointFeature: SymbolStyleRenderer.DrawSymbol(canvas, viewport, layer, pointFeature.Point.X, pointFeature.Point.Y, new SymbolStyle { Outline = vectorStyle.Outline, Fill = vectorStyle.Fill, Line = vectorStyle.Line }); break; case GeometryFeature geometryFeature: switch (geometryFeature.Geometry) { case GeometryCollection collection: for (var i = 0; i < collection.NumGeometries; i++) Draw(canvas, viewport, layer, new GeometryFeature(collection.GetGeometryN(i)), style, symbolCache, iteration); break; case Point point: Draw(canvas, viewport, layer, new PointFeature(point.X, point.Y), style, symbolCache, iteration); break; case Polygon polygon: PolygonRenderer.Draw(canvas, viewport, vectorStyle, feature, polygon, opacity, symbolCache); break; case LineString lineString: LineStringRenderer.Draw(canvas, viewport, vectorStyle, lineString, opacity); break; default: throw new ArgumentException("Unknown geometry of Feature"); } break; } } catch (Exception ex) { Logger.Log(LogLevel.Error, ex.Message, ex); } return true; }
private void RenderFeature(SKCanvas canvas, IViewport viewport, IStyle style, IFeature feature) { if (feature.Geometry is Point) { PointRenderer.Draw(canvas, viewport, style, feature, _symbolTextureCache); } else if (feature.Geometry is LineString) { LineStringRenderer.Draw(canvas, viewport, style, feature); } else if (feature.Geometry is Polygon) { PolygonRenderer.Draw(canvas, viewport, style, feature); } else if (feature.Geometry is IRaster) { RasterRenderer.Draw(canvas, viewport, style, feature, _tileTextureCache, _currentIteration); } }