async override public Task <bool> RefreshMap(DrawPhase phase, ICancelTracker cancelTracker) { base.ResetRequestExceptions(); if (_canvas != null && phase == DrawPhase.Graphics) { return(true); } this.ZoomTo(m_actMinX, m_actMinY, m_actMaxX, m_actMaxY); if (cancelTracker == null) { cancelTracker = new CancelTracker(); } using (var datasetCachingContext = new DatasetCachingContext(this)) using (var geoTransformer = GeometricTransformerFactory.Create()) { //geoTransformer.ToSpatialReference = this.SpatialReference; if (_bitmap == null) { _bitmap = Current.Engine.CreateBitmap(iWidth, iHeight, PixelFormat.Rgba32); } _canvas = _bitmap.CreateCanvas(); //_canvas.CompositingMode = CompositingMode.SourceCopy; //this.dpi = _canvas.DpiX * this.ScaleSymbolFactor; if (BackgroundColor.A != 0 && !Display.MakeTransparent) { using (var brush = Current.Engine.CreateSolidBrush(BackgroundColor)) { _canvas.FillRectangle(brush, new CanvasRectangle(0, 0, _bitmap.Width, _bitmap.Height)); } } if (phase == DrawPhase.All || phase == DrawPhase.Geography) { this.GeometricTransformer = geoTransformer; // Thread für MapServer Datasets starten... #region WebServiceLayer List <IWebServiceLayer> webServices; if (this.TOC != null) { webServices = ListOperations <IWebServiceLayer> .Swap(this.TOC.VisibleWebServiceLayers); } else { webServices = new List <IWebServiceLayer>(); foreach (IDatasetElement layer in this.MapElements) { if (!(layer is IWebServiceLayer)) { continue; } if (((ILayer)layer).Visible) { webServices.Add((IWebServiceLayer)layer); } } } int webServiceOrder = 0, webServiceOrder2 = 1; foreach (IWebServiceLayer element in webServices) { if (!element.Visible) { continue; } IWebServiceLayer wsLayer = LayerFactory.Create(element.WebServiceClass.Clone() as IClass, element) as IWebServiceLayer; if (wsLayer == null || wsLayer.WebServiceClass == null) { continue; } wsLayer.WebServiceClass.SpatialReference = this.SpatialReference; List <IWebServiceClass> additionalWebServices = new List <IWebServiceClass>(); if (BeforeRenderLayers != null) { List <ILayer> modLayers = new List <ILayer>(); foreach (IWebServiceTheme theme in wsLayer.WebServiceClass.Themes) { if (theme is ILayer) { modLayers.Add(theme); } } BeforeRenderLayers(this, modLayers); foreach (ILayer additionalLayer in MapServerHelper.FindAdditionalWebServiceLayers(wsLayer.WebServiceClass, modLayers)) { IWebServiceClass additionalWebService = MapServerHelper.CloneNonVisibleWebServiceClass(wsLayer.WebServiceClass); MapServerHelper.CopyWebThemeProperties(additionalWebService, additionalLayer); if (MapServerHelper.HasVisibleThemes(additionalWebService)) { additionalWebServices.Add(additionalWebService); } } } var srt = new RenderServiceRequest(this, wsLayer, webServiceOrder++); srt.finish += new RenderServiceRequest.RequestThreadFinished(MapRequestThread_finished); //Thread thread = new Thread(new ThreadStart(srt.ImageRequest)); m_imageMerger.max++; //thread.Start(); var task = srt.ImageRequest(); // start Task and continue... foreach (IWebServiceClass additionalWebService in additionalWebServices) { wsLayer = LayerFactory.Create(additionalWebService, element) as IWebServiceLayer; if (wsLayer == null || wsLayer.WebServiceClass == null) { continue; } wsLayer.WebServiceClass.SpatialReference = this.SpatialReference; srt = new RenderServiceRequest(this, wsLayer, (++webServiceOrder2) + webServices.Count); srt.finish += new RenderServiceRequest.RequestThreadFinished(MapRequestThread_finished); //thread = new Thread(new ThreadStart(srt.ImageRequest)); m_imageMerger.max++; //thread.Start(); var additionalTask = srt.ImageRequest(); // start task and continue... } } #endregion List <ILayer> layers = new List <ILayer>(); if (this.TOC != null) { if (this.GetType().Equals(typeof(ServiceMap))) { layers = ListOperations <ILayer> .Swap(this.TOC.Layers); } else { layers = ListOperations <ILayer> .Swap(this.TOC.VisibleLayers); } } else { layers = new List <ILayer>(); foreach (IDatasetElement layer in this.MapElements) { if (!(layer is ILayer)) { continue; } if (((ILayer)layer).Visible) { layers.Add((ILayer)layer); } } } if (BeforeRenderLayers != null) { // // Kopie der Original Layer erstellen // ACHTUNG: Renderer werden nicht kopiert! // dürfen in BeforeRenderLayers nicht verändert werden... // Eine zuweisung eines neuen Renderers ist jedoch legitim. // List <ILayer> modLayers = new List <ILayer>(); foreach (IDatasetElement element in layers) { if (!(element is ILayer) || element is IWebServiceTheme) { continue; } ILayer layer = (ILayer)element; if (layer.MinimumScale > 1 && layer.MinimumScale > this.mapScale) { continue; } if (layer.MaximumScale > 1 && layer.MaximumScale < this.mapScale) { continue; } modLayers.Add(LayerFactory.Create(layer.Class, layer)); } BeforeRenderLayers(this, modLayers); layers = modLayers; } //layers = ModifyLayerList(layers); List <IFeatureLayer> labelLayers = this.OrderedLabelLayers(layers); LabelEngine.Init(this.Display, false); foreach (IDatasetElement element in layers) { if (!cancelTracker.Continue) { break; } if (!(element is ILayer)) { continue; } ILayer layer = (ILayer)element; //if (_ceckLayerVisibilityBeforeDrawing) //{ // if (!LayerIsVisible(layer)) continue; //} if (!layer.Visible) { continue; } if (!layer.RenderInScale(this)) { continue; } #if (DEBUG) //Logger.LogDebug("Drawing Layer:" + element.Title); #endif SetGeotransformer((ILayer)element, geoTransformer); if (layer is IFeatureLayer) { if (layer.Class?.Dataset is IFeatureCacheDataset) { await((IFeatureCacheDataset)layer.Class.Dataset).InitFeatureCache(datasetCachingContext); } IFeatureLayer fLayer = (IFeatureLayer)layer; if (fLayer.FeatureRenderer == null && ( fLayer.LabelRenderer == null || (fLayer.LabelRenderer != null && fLayer.LabelRenderer.RenderMode != LabelRenderMode.RenderWithFeature) )) { //continue; } else { RenderFeatureLayer rlt = new RenderFeatureLayer(this, datasetCachingContext, fLayer, cancelTracker, new FeatureCounter()); if (fLayer.LabelRenderer != null && fLayer.LabelRenderer.RenderMode == LabelRenderMode.RenderWithFeature) { rlt.UseLabelRenderer = true; } else { rlt.UseLabelRenderer = labelLayers.IndexOf(fLayer) == 0; // letzten Layer gleich mitlabeln } if (rlt.UseLabelRenderer) { labelLayers.Remove(fLayer); } await rlt.Render(); } //thread = new Thread(new ThreadStart(rlt.Render)); //thread.Start(); } if (layer is IRasterLayer && ((IRasterLayer)layer).RasterClass != null) { IRasterLayer rLayer = (IRasterLayer)layer; if (rLayer.RasterClass.Polygon == null) { continue; } IEnvelope dispEnvelope = this.Envelope; if (Display.GeometricTransformer != null) { dispEnvelope = ((IGeometry)Display.GeometricTransformer.InvTransform2D(dispEnvelope)).Envelope; } if (gView.Framework.SpatialAlgorithms.Algorithm.IntersectBox(rLayer.RasterClass.Polygon, dispEnvelope)) { if (rLayer.Class is IParentRasterLayer) { await DrawRasterParentLayer((IParentRasterLayer)rLayer.Class, cancelTracker, rLayer); } else { RenderRasterLayer rlt = new RenderRasterLayer(this, rLayer, rLayer, cancelTracker); await rlt.Render(); //thread = new Thread(new ThreadStart(rlt.Render)); //thread.Start(); } } } // Andere Layer (zB IRasterLayer) #if (DEBUG) //Logger.LogDebug("Finished drawing layer: " + element.Title); #endif } // Label Features if (labelLayers.Count != 0) { foreach (IFeatureLayer fLayer in labelLayers) { this.SetGeotransformer(fLayer, geoTransformer); if (!fLayer.Visible) { continue; } RenderLabel rlt = new RenderLabel(this, fLayer, cancelTracker, new FeatureCounter()); await rlt.Render(); } } LabelEngine.Draw(this.Display, cancelTracker); LabelEngine.Release(); if (cancelTracker.Continue) { while (m_imageMerger.Count < m_imageMerger.max) { await Task.Delay(10); } } if (_drawScaleBar) { m_imageMerger.mapScale = this.mapScale; m_imageMerger.dpi = this.dpi; } #if (DEBUG) //Logger.LogDebug("Merge Images"); #endif m_imageMerger.Merge(_bitmap, this.Display); m_imageMerger.Clear(); #if (DEBUG) //Logger.LogDebug("Merge Images Finished"); #endif } if (phase == DrawPhase.All || phase == DrawPhase.Graphics) { foreach (IGraphicElement grElement in Display.GraphicsContainer.Elements) { grElement.Draw(Display); } } base.AppendRequestExceptionsToImage(); if (_canvas != null) { _canvas.Dispose(); } _canvas = null; this.GeometricTransformer = null; } return(this.HasRequestExceptions == false); }
async override protected Task DrawRasterParentLayer(IParentRasterLayer rLayer, ICancelTracker cancelTracker, IRasterLayer rootLayer) { IRasterPaintContext paintContext = null; try { if (rLayer is ILayer && ((ILayer)rLayer).Class is IRasterClass) { paintContext = await((IRasterClass)((ILayer)rLayer).Class).BeginPaint(this.Display, cancelTracker); } else if (rLayer is IRasterClass) { paintContext = await((IRasterClass)rLayer).BeginPaint(this.Display, cancelTracker); } string filterClause = String.Empty; if (rootLayer is IRasterCatalogLayer) { filterClause = ((((IRasterCatalogLayer)rootLayer).FilterQuery != null) ? ((IRasterCatalogLayer)rootLayer).FilterQuery.WhereClause : String.Empty); } using (IRasterLayerCursor cursor = await rLayer.ChildLayers(this, filterClause)) { ILayer child; while ((child = await cursor.NextRasterLayer()) != null) //foreach (ILayer child in ((IParentRasterLayer)rLayer).ChildLayers(this, filterClause)) { if (!cancelTracker.Continue) { break; } if (child.Class is IParentRasterLayer) { await DrawRasterParentLayer((IParentRasterLayer)child.Class, cancelTracker, rootLayer); continue; } if (!(child is IRasterLayer)) { continue; } IRasterLayer cLayer = (IRasterLayer)child; RenderRasterLayer rlt = new RenderRasterLayer(this, cLayer, rootLayer, cancelTracker); await rlt.Render(); if (child.Class is IDisposable) { ((IDisposable)child.Class).Dispose(); } } } } finally { if (paintContext != null) { paintContext.Dispose(); } } }
async override public Task <bool> RefreshMap(DrawPhase phase, ICancelTracker cancelTracker) { base.ResetRequestExceptions(); bool printerMap = (this.GetType() == typeof(PrinterMap)); try { _original.FireStartRefreshMap(); using (var datasetCachingContext = new DatasetCachingContext(this)) { this.IsRefreshing = true; _lastException = null; if (_canvas != null && phase == DrawPhase.Graphics) { return(true); } #region Start Drawing/Initialisierung this.ZoomTo(m_actMinX, m_actMinY, m_actMaxX, m_actMaxY); if (cancelTracker == null) { cancelTracker = new CancelTracker(); } IGeometricTransformer geoTransformer = GeometricTransformerFactory.Create(); //geoTransformer.ToSpatialReference = this.SpatialReference; if (!printerMap) { if (phase == DrawPhase.All) { DisposeStreams(); } if (_bitmap != null && (_bitmap.Width != iWidth || _bitmap.Height != iHeight)) { if (!DisposeImage()) { return(false); } } if (_bitmap == null) { //DisposeStreams(); _bitmap = GraphicsEngine.Current.Engine.CreateBitmap(iWidth, iHeight, GraphicsEngine.PixelFormat.Rgba32); //if (NewBitmap != null && cancelTracker.Continue) NewBitmap(_image); } _canvas = _bitmap.CreateCanvas(); //this.dpi = /*96f*/ /* _canvas.DpiX*/ GraphicsEngine.Current.Engine.ScreenDpi; // NewBitmap immer aufrufen, da sonst neuer DataView nix mitbekommt if (NewBitmap != null && cancelTracker.Continue) { NewBitmap?.BeginInvoke(_bitmap, new AsyncCallback(AsyncInvoke.RunAndForget), null); } using (var brush = GraphicsEngine.Current.Engine.CreateSolidBrush(_backgroundColor)) { _canvas.FillRectangle(brush, new GraphicsEngine.CanvasRectangle(0, 0, iWidth, iHeight)); } } #endregion #region Geometry if (Bit.Has(phase, DrawPhase.Geography)) //if (phase == DrawPhase.All || phase == DrawPhase.Geography) { LabelEngine.Init(this.Display, printerMap); this.GeometricTransformer = geoTransformer; // Thread für MapServer Datasets starten... #region WebServiceLayer List <IWebServiceLayer> webServices; if (this.TOC != null) { webServices = ListOperations <IWebServiceLayer> .Swap(this.TOC.VisibleWebServiceLayers); } else { webServices = new List <IWebServiceLayer>(); foreach (IDatasetElement layer in this.MapElements) { if (!(layer is IWebServiceLayer)) { continue; } if (((ILayer)layer).Visible) { webServices.Add((IWebServiceLayer)layer); } } } int webServiceOrder = 0; foreach (IWebServiceLayer element in webServices) { if (!element.Visible) { continue; } RenderServiceRequest srt = new RenderServiceRequest(this, element, webServiceOrder++); srt.finish += new RenderServiceRequest.RequestThreadFinished(MapRequestThread_finished); //Thread thread = new Thread(new ThreadStart(srt.ImageRequest)); m_imageMerger.max++; //thread.Start(); var task = srt.ImageRequest(); // start the task... } #endregion #region Layerlisten erstellen List <ILayer> layers; if (this.TOC != null) { if (this.ToString() == "gView.MapServer.Instance.ServiceMap") { layers = ListOperations <ILayer> .Swap(this.TOC.Layers); } else { layers = ListOperations <ILayer> .Swap(this.TOC.VisibleLayers); } } else { layers = new List <ILayer>(); foreach (IDatasetElement layer in this.MapElements) { if (!(layer is ILayer)) { continue; } if (((ILayer)layer).Visible) { layers.Add((ILayer)layer); } } } List <IFeatureLayer> labelLayers = this.OrderedLabelLayers(layers); #endregion #region Renderer Features foreach (ILayer layer in layers) { if (!cancelTracker.Continue) { break; } if (!layer.RenderInScale(this)) { continue; } SetGeotransformer(layer, geoTransformer); DateTime startTime = DateTime.Now; FeatureCounter fCounter = new FeatureCounter(); if (layer is IFeatureLayer) { if (layer.Class?.Dataset is IFeatureCacheDataset) { await((IFeatureCacheDataset)layer.Class.Dataset).InitFeatureCache(datasetCachingContext); } IFeatureLayer fLayer = (IFeatureLayer)layer; if (fLayer.FeatureRenderer == null && ( fLayer.LabelRenderer == null || (fLayer.LabelRenderer != null && fLayer.LabelRenderer.RenderMode != LabelRenderMode.RenderWithFeature) )) { //continue; } else { RenderFeatureLayer rlt = new RenderFeatureLayer(this, datasetCachingContext, fLayer, cancelTracker, fCounter); if (fLayer.LabelRenderer != null && fLayer.LabelRenderer.RenderMode == LabelRenderMode.RenderWithFeature) { rlt.UseLabelRenderer = true; } else { rlt.UseLabelRenderer = labelLayers.IndexOf(fLayer) == 0; // letzten Layer gleich mitlabeln } if (rlt.UseLabelRenderer) { labelLayers.Remove(fLayer); } if (cancelTracker.Continue) { DrawingLayer?.BeginInvoke(layer.Title, new AsyncCallback(AsyncInvoke.RunAndForget), null); } await rlt.Render(); } } if (layer is IRasterLayer && ((IRasterLayer)layer).RasterClass != null) { IRasterLayer rLayer = (IRasterLayer)layer; if (rLayer.RasterClass.Polygon == null) { continue; } IEnvelope dispEnvelope = this.DisplayTransformation.TransformedBounds(this); //this.Envelope; if (Display.GeometricTransformer != null) { dispEnvelope = ((IGeometry)Display.GeometricTransformer.InvTransform2D(dispEnvelope)).Envelope; } if (gView.Framework.SpatialAlgorithms.Algorithm.IntersectBox(rLayer.RasterClass.Polygon, dispEnvelope)) { if (rLayer.Class is IParentRasterLayer) { if (cancelTracker.Continue) { DrawingLayer?.BeginInvoke(layer.Title, new AsyncCallback(AsyncInvoke.RunAndForget), null); } await DrawRasterParentLayer((IParentRasterLayer)rLayer.Class, cancelTracker, rLayer); } else { RenderRasterLayer rlt = new RenderRasterLayer(this, rLayer, rLayer, cancelTracker); if (cancelTracker.Continue) { DrawingLayer?.BeginInvoke(layer.Title, new AsyncCallback(AsyncInvoke.RunAndForget), null); } await rlt.Render(); } } } // Andere Layer (zB IRasterLayer) _original.FireDrawingLayerFinished(new gView.Framework.system.TimeEvent("Drawing: " + layer.Title, startTime, DateTime.Now, fCounter.Counter)); FireRefreshMapView(1000); } #endregion #region Label Features if (labelLayers.Count != 0) { StreamImage(ref _msGeometry, _bitmap); foreach (IFeatureLayer fLayer in labelLayers) { this.SetGeotransformer(fLayer, geoTransformer); FeatureCounter fCounter = new FeatureCounter(); DateTime startTime = DateTime.Now; RenderLabel rlt = new RenderLabel(this, fLayer, cancelTracker, fCounter); if (cancelTracker.Continue) { DrawingLayer?.BeginInvoke(fLayer.Title, new AsyncCallback(AsyncInvoke.RunAndForget), null); } await rlt.Render(); _original.FireDrawingLayerFinished(new gView.Framework.system.TimeEvent("Labelling: " + fLayer.Title, startTime, DateTime.Now, fCounter.Counter)); } DrawStream(_canvas, _msGeometry); } if (!printerMap) { LabelEngine.Draw(this.Display, cancelTracker); } LabelEngine.Release(); #endregion #region Waiting for Webservices if (cancelTracker.Continue) { if (webServices != null && webServices.Count != 0) { DrawingLayer?.BeginInvoke("...Waiting for WebServices...", new AsyncCallback(AsyncInvoke.RunAndForget), null); } while (m_imageMerger.Count < m_imageMerger.max) { await Task.Delay(100); } } if (_drawScaleBar) { m_imageMerger.mapScale = this.mapScale; m_imageMerger.dpi = this.dpi; } if (m_imageMerger.Count > 0) { var clonedBitmap = _bitmap.Clone(GraphicsEngine.PixelFormat.Rgba32); clonedBitmap.MakeTransparent(_backgroundColor); m_imageMerger.Add(new GeorefBitmap(clonedBitmap), 999); if (!m_imageMerger.Merge(_bitmap, this.Display) && (this is IServiceMap) && ((IServiceMap)this).MapServer != null) { await((IServiceMap)this).MapServer.LogAsync( this.Name, "Image Merger:", loggingMethod.error, m_imageMerger.LastErrorMessage); } m_imageMerger.Clear(); } StreamImage(ref _msGeometry, _bitmap); #endregion } #endregion #region Draw Selection if (Bit.Has(phase, DrawPhase.Selection)) { if (phase != DrawPhase.All) { DrawStream(_canvas, _msGeometry); } foreach (IDatasetElement layer in this.MapElements) { if (!cancelTracker.Continue) { break; } if (!(layer is ILayer)) { continue; } if (layer is IFeatureLayer && layer is IFeatureSelection && ((IFeatureSelection)layer).SelectionSet != null && ((IFeatureSelection)layer).SelectionSet.Count > 0) { SetGeotransformer((ILayer)layer, geoTransformer); await RenderSelection(layer as IFeatureLayer, cancelTracker); } // Andere Layer (zB IRasterLayer) else if (layer is IWebServiceLayer) { IWebServiceLayer wLayer = (IWebServiceLayer)layer; if (wLayer.WebServiceClass == null) { continue; } foreach (IWebServiceTheme theme in wLayer.WebServiceClass.Themes) { if (theme is IFeatureLayer && theme.SelectionRenderer != null && theme is IFeatureSelection && ((IFeatureSelection)theme).SelectionSet != null && ((IFeatureSelection)theme).SelectionSet.Count > 0) { SetGeotransformer(theme, geoTransformer); await RenderSelection(theme as IFeatureLayer, cancelTracker); } } } } StreamImage(ref _msSelection, _bitmap); } #endregion #region Graphics if (Bit.Has(phase, DrawPhase.Graphics)) //if (phase == DrawPhase.All || phase == DrawPhase.Graphics) { if (phase != DrawPhase.All) { DrawStream(_canvas, (_msSelection != null) ? _msSelection : _msGeometry); } foreach (IGraphicElement grElement in Display.GraphicsContainer.Elements) { grElement.Draw(Display); } foreach (IGraphicElement grElement in Display.GraphicsContainer.SelectedElements) { if (grElement is IGraphicElement2) { if (((IGraphicElement2)grElement).Ghost != null) { ((IGraphicElement2)grElement).Ghost.Draw(Display); } ((IGraphicElement2)grElement).DrawGrabbers(Display); } } } #endregion #region Cleanup if (geoTransformer != null) { this.GeometricTransformer = null; geoTransformer.Release(); geoTransformer = null; } #endregion #region Send Events // Überprüfen, ob sich Extent seit dem letztem Zeichnen geändert hat... if (cancelTracker.Continue) { if (_lastRenderExtent == null) { _lastRenderExtent = new Envelope(); } if (NewExtentRendered != null) { if (!_lastRenderExtent.Equals(Display.Envelope)) { NewExtentRendered(this, Display.Envelope); } } _lastRenderExtent.minx = Display.Envelope.minx; _lastRenderExtent.miny = Display.Envelope.miny; _lastRenderExtent.maxx = Display.Envelope.maxx; _lastRenderExtent.maxy = Display.Envelope.maxy; } #endregion return(true); } } catch (Exception ex) { _lastException = ex; AddRequestException(ex); //System.Windows.Forms.MessageBox.Show(ex.Message+"\n"+ex.InnerException+"\n"+ex.Source); return(false); } finally { AppendRequestExceptionsToImage(); if (!printerMap) { if (_canvas != null) { _canvas.Dispose(); } _canvas = null; } this.IsRefreshing = false; } }