public void DrawOverlay(IGraphicsContainer container, bool clearOld) { if (RenderOverlayImage == null || _canvas != null) { return; } if (container == null) { ClearOverlay(); } GraphicsEngine.Abstraction.IBitmap bm = null; try { bm = GraphicsEngine.Current.Engine.CreateBitmap(iWidth, iHeight); bm.MakeTransparent(); _canvas = bm.CreateCanvas(); foreach (IGraphicElement element in container.Elements) { element.Draw(this); } RenderOverlayImage(bm, clearOld); } catch { } finally { if (_canvas != null) { _canvas.Dispose(); } _canvas = null; if (bm != null) { bm.Dispose(); } } }
public bool Create(GraphicsEngine.Abstraction.IBitmap bitmap, int a, int y) { double dpm = _dpi / 0.0256; double pix = _scale / dpm; double bl = pix * (200 * (_dpi / 96)) / 5.0; float fac = (float)_dpi / 96; if (bl > 1000000) { bl = Math.Round((int)(bl / 100000) * 100000.0, 0); } else if (bl > 100000) { bl = Math.Round((int)(bl / 10000) * 10000.0, 0); } else if (bl > 10000) { bl = Math.Round((int)(bl / 5000) * 5000.0, 0); } else if (bl > 1000) { bl = Math.Round((int)(bl / 500) * 500.0, 0); } else if (bl > 100) { bl = Math.Round((int)(bl / 100) * 100.0, 0); } else if (bl > 10) { bl = Math.Round((int)(bl / 10) * 10.0, 0); } int bm_bl = (int)(bl / pix); using (var canvas = bitmap.CreateCanvas()) using (var brush = GraphicsEngine.Current.Engine.CreateSolidBrush(GraphicsEngine.ArgbColor.FromArgb(155, 149, 149))) using (var brush2 = GraphicsEngine.Current.Engine.CreateSolidBrush(GraphicsEngine.ArgbColor.White)) using (var brush3 = GraphicsEngine.Current.Engine.CreateSolidBrush(GraphicsEngine.ArgbColor.White)) using (var pen = GraphicsEngine.Current.Engine.CreatePen(GraphicsEngine.ArgbColor.Black, 1f)) using (var font = GraphicsEngine.Current.Engine.CreateFont("Verdana", 7 * fac, GraphicsEngine.FontStyle.Bold)) { int dist = (int)Math.Round(bl * 5, 0); // Hintergrund und Rahmen zeichnen canvas.FillRectangle(brush, new GraphicsEngine.CanvasRectangleF(a + 0, 15 * fac + y, bm_bl, 5 * fac)); canvas.FillRectangle(brush, new GraphicsEngine.CanvasRectangleF(a + 2 * bm_bl, 15 * fac + y, bm_bl, 5 * fac)); canvas.FillRectangle(brush, new GraphicsEngine.CanvasRectangleF(a + 4 * bm_bl, 15 * fac + y, bm_bl, 5 * fac)); canvas.FillRectangle(brush2, new GraphicsEngine.CanvasRectangleF(a + 1 * bm_bl, 15 * fac + y, bm_bl, 5 * fac)); canvas.FillRectangle(brush2, new GraphicsEngine.CanvasRectangleF(a + 3 * bm_bl, 15 * fac + y, bm_bl, 5 * fac)); canvas.DrawRectangle(pen, new GraphicsEngine.CanvasRectangleF(a + 0, 14 * fac + y, bm_bl * 5 - 1, 5 * fac)); canvas.DrawLine(pen, a, 12 * fac + y, a, 19 * fac + y); canvas.DrawLine(pen, a + bm_bl * 5 - 1, 12 * fac + y, a + bm_bl * 5 - 1, 19 * fac + y); canvas.DrawLine(pen, a + bm_bl, 14 * fac + y, a + bm_bl, 19 * fac + y); canvas.DrawLine(pen, a + bm_bl * 2, 14 * fac + y, a + bm_bl * 2, 19 * fac + y); canvas.DrawLine(pen, a + bm_bl * 3, 14 * fac + y, a + bm_bl * 3, 19 * fac + y); canvas.DrawLine(pen, a + bm_bl * 4, 14 * fac + y, a + bm_bl * 4, 19 * fac + y); string text = Math.Round(_scale, 0).ToString(), t = ""; int counter = 1; // Tausenderpunkte for (int i = text.Length - 1; i > 0; i--) { t = text[i] + t; if ((counter++ % 3) == 0) { t = "." + t; } } t = text[0] + t; text = "M 1:" + t; drawString(canvas, font, text, (float)(a + (bm_bl * 5 - canvas.MeasureText(text, font).Width) / 2), y); drawString(canvas, font, "0", a - 4, y); if (dist > 1000) { float x = dist / (float)1000; text = x.ToString() + " km"; } else { text = dist.ToString() + " m"; } drawString(canvas, font, text, (float)(a + bm_bl * 5 - 5 * fac), y); } return(true); }
public bool Merge(GraphicsEngine.Abstraction.IBitmap bitmap, IDisplay display) { try { int iWidth = bitmap.Width; int iHeight = bitmap.Height; using (var canvas = bitmap.CreateCanvas()) { canvas.CompositingMode = GraphicsEngine.CompositingMode.SourceOver; foreach (GeorefBitmap geoBmp in _picList) { if (geoBmp == null || geoBmp.Bitmap == null) { continue; } if (bitmap != geoBmp.Bitmap) { if (geoBmp.Envelope != null) { double x0, y0, x1, y1, x2, y2; gView.Framework.Geometry.IGeometry geom = gView.Framework.Geometry.GeometricTransformerFactory.Transform2D(geoBmp.Envelope, geoBmp.SpatialReference, display.SpatialReference); if (geom is gView.Framework.Geometry.IPolygon) { gView.Framework.Geometry.IRing ring = ((gView.Framework.Geometry.IPolygon)geom)[0]; x0 = ring[1].X; y0 = ring[1].Y; x1 = ring[2].X; y1 = ring[2].Y; x2 = ring[0].X; y2 = ring[0].Y; ///////////////////////////////////////////////////////// Display d = new Display(display.Map, false); d.Limit = d.Envelope = geoBmp.Envelope; d.iWidth = geoBmp.Bitmap.Width; d.iHeight = geoBmp.Bitmap.Height; d.SpatialReference = geoBmp.SpatialReference; Resample(bitmap, display, geoBmp.Bitmap, d); continue; } else { x0 = geoBmp.Envelope.minx; y0 = geoBmp.Envelope.maxy; x1 = geoBmp.Envelope.maxx; y1 = geoBmp.Envelope.maxy; x2 = geoBmp.Envelope.minx; y2 = geoBmp.Envelope.miny; } display.World2Image(ref x0, ref y0); display.World2Image(ref x1, ref y1); display.World2Image(ref x2, ref y2); GraphicsEngine.CanvasPointF[] points = { new GraphicsEngine.CanvasPointF((float)x0, (float)y0), new GraphicsEngine.CanvasPointF((float)x1, (float)y1), new GraphicsEngine.CanvasPointF((float)x2, (float)y2) }; canvas.DrawBitmap(geoBmp.Bitmap, points, new GraphicsEngine.CanvasRectangleF(0, 0, geoBmp.Bitmap.Width, geoBmp.Bitmap.Height), opacity: geoBmp.Opacity); } else { canvas.DrawBitmap(geoBmp.Bitmap, new GraphicsEngine.CanvasRectangle(0, 0, iWidth, iHeight), new GraphicsEngine.CanvasRectangle(0, 0, geoBmp.Bitmap.Width, geoBmp.Bitmap.Height), opacity: geoBmp.Opacity); } } } } if (_scale > 0) { Scalebar bar = new Scalebar(_scale, m_dpi); bar.Create(bitmap, bitmap.Width - (int)(50 * m_dpi / 96.0) - bar.ScaleBarWidth, bitmap.Height - (int)(32 * m_dpi / 96.0)); } return(true); } catch (Exception ex) { _errMsg = ex.Message + "\n" + ex.Source + "\n" + ex.StackTrace; return(false); } }
async private Task Render(IFeatureLayer layer) { IFeatureRenderer clonedFeatureRenderer = null; ILabelRenderer clonedLabelRenderer = null; GraphicsEngine.Abstraction.IBitmap compositionModeCopyBitmap = null; GraphicsEngine.Abstraction.ICanvas compositionModeCopyCanvas = null, originalCanvas = null; try { _map.FireOnUserInterface(true); if (( layer.FeatureRenderer == null || layer.FeatureRenderer.HasEffect(layer, _map) == false) && ( layer.LabelRenderer == null || _useLabelRenderer == false )) { return; } IFeatureClass fClass = layer.FeatureClass; if (fClass == null) { return; } //IDataset dataset = (IDataset)_map[layer]; //if (dataset == null) return; //if (!(dataset is IFeatureDataset)) return; IGeometry filterGeom = _map.Display.DisplayTransformation.TransformedBounds(_map.Display); //_map.Display.Envelope; if (_map.Display.GeometricTransformer != null) { filterGeom = MapHelper.Project(fClass, _map.Display); } gView.Framework.Data.SpatialFilter filter = new gView.Framework.Data.SpatialFilter(); filter.DatasetCachingContext = _datasetCachingContext; filter.Geometry = filterGeom; filter.AddField(fClass.ShapeFieldName); //filter.FuzzyQuery = true; filter.SpatialRelation = spatialRelation.SpatialRelationMapEnvelopeIntersects; filter.MapScale = _map.Display.mapScale; filter.CancelTracker = _cancelTracker; if (layer.FilterQuery != null) { filter.WhereClause = layer.FilterQuery.WhereClause; if (layer.FilterQuery is IBufferQueryFilter) { ISpatialFilter sFilter = await BufferQueryFilter.ConvertToSpatialFilter(layer.FilterQuery as IBufferQueryFilter); if (sFilter == null) { return; } filter.SpatialRelation = spatialRelation.SpatialRelationIntersects; filter.Geometry = sFilter.Geometry; } if (layer.FilterQuery is ISpatialFilter) { //filter.FuzzyQuery = ((ISpatialFilter)layer.FilterQuery).FuzzyQuery; filter.SpatialRelation = ((ISpatialFilter)layer.FilterQuery).SpatialRelation; filter.Geometry = ((ISpatialFilter)layer.FilterQuery).Geometry; } } // Erst nach dem Clonen anwenden!!! //if (layer.FeatureRenderer != null && layer.FeatureRenderer.HasEffect(layer, _map)) //{ // layer.FeatureRenderer.PrepareQueryFilter(layer, filter); //} //if (layer.LabelRenderer != null && _useLabelRenderer) //{ // layer.LabelRenderer.PrepareQueryFilter(_map.Display, layer, filter); //} IDisplay display = _map; double refScale = display.refScale; #region Layer Clonen IFeatureRenderer renderer = null; ILabelRenderer labelRenderer = null; lock (lockThis) { // Beim Clonen sprerren... // Da sonst bei der Servicemap bei gleichzeitigen Requests // Exception "Objekt wird bereits an anderer Stelle verwendet" auftreten kann! if (layer.FeatureRenderer != null && layer.FeatureRenderer.HasEffect(layer, _map)) { if (layer.RequiresFeatureRendererClone(display)) { renderer = clonedFeatureRenderer = (IFeatureRenderer)layer.FeatureRenderer.Clone( new CloneOptions(display, layer.UseWithRefScale(display), maxRefScaleFactor: layer.MaxRefScaleFactor)); } else { renderer = layer.FeatureRenderer; } } if (layer.LabelRenderer != null && _useLabelRenderer) { if (layer.RequiresLabelRendererClone(display)) { labelRenderer = clonedLabelRenderer = (ILabelRenderer)layer.LabelRenderer.Clone(new CloneOptions(display, layer.UseLabelsWithRefScale(display), maxLabelRefscaleFactor: layer.MaxLabelRefScaleFactor)); } else // Clone with null => simple clone { //display.refScale = 0; labelRenderer = clonedLabelRenderer = (ILabelRenderer)layer.LabelRenderer.Clone(null); //display.refScale = refScale; } } } #endregion #region Prepare filter // Prepare erst auf geclonte renderer anwenden!! (Threadsafe) if (renderer != null && renderer.HasEffect(layer, _map)) { renderer.PrepareQueryFilter(layer, filter); } if (labelRenderer != null && _useLabelRenderer) { labelRenderer.PrepareQueryFilter(_map.Display, layer, filter); } #endregion using (IFeatureCursor fCursor = await fClass.GetFeatures(MapHelper.MapQueryFilter(filter))) { _map.FireOnUserInterface(false); if (fCursor != null) { IFeature feature; if (renderer != null) { renderer.StartDrawing(_map); bool useCompostionModeCopy = layer is IFeatureLayerComposition && ((IFeatureLayerComposition)layer).CompositionMode == FeatureLayerCompositionMode.Copy; if (useCompostionModeCopy) { originalCanvas = _map.Display.Canvas; compositionModeCopyBitmap = GraphicsEngine.Current.Engine.CreateBitmap(_map.Display.Bitmap.Width, _map.Display.Bitmap.Height, GraphicsEngine.PixelFormat.Rgba32); compositionModeCopyCanvas = compositionModeCopyBitmap.CreateCanvas(); compositionModeCopyBitmap.MakeTransparent(); compositionModeCopyBitmap.SetResolution(_map.Display.Bitmap.DpiX, _map.Display.Bitmap.DpiY); ((Display)_map.Display).Canvas = compositionModeCopyCanvas; } while ((feature = await fCursor.NextFeature()) != null) { if (_cancelTracker != null) { if (!_cancelTracker.Continue) { break; } } renderer.Draw(_map, feature); if (labelRenderer != null) { labelRenderer.Draw(_map, feature); } _counter.Counter++; if (_isServiceMap == false) { if (_counter.Counter % 100 == 0) { _map.FireRefreshMapView(); } } } } else if (labelRenderer != null && _cancelTracker.Continue) { while ((feature = await fCursor.NextFeature()) != null) { if (_cancelTracker != null) { if (!_cancelTracker.Continue) { break; } } labelRenderer.Draw(_map, feature); _counter.Counter++; } } if (labelRenderer != null) { labelRenderer.Release(); } if (renderer != null) { renderer.FinishDrawing(_map, _cancelTracker); } if (compositionModeCopyCanvas != null && compositionModeCopyBitmap != null) { originalCanvas.DrawBitmap(compositionModeCopyBitmap, new GraphicsEngine.CanvasRectangle(0, 0, compositionModeCopyBitmap.Width, compositionModeCopyBitmap.Height), new GraphicsEngine.CanvasRectangle(0, 0, compositionModeCopyBitmap.Width, compositionModeCopyBitmap.Height), opacity: (float)Math.Min(1, (100f - ((IFeatureLayerComposition)layer).CompositionModeCopyTransparency) / 100)); } } else { if (fClass is IDebugging && ((IDebugging)fClass).LastException != null) { throw ((IDebugging)fClass).LastException; } throw new Exception("Can't query feature class. Unknown error"); } } } catch (Exception ex) { if (_map is IServiceMap && ((IServiceMap)_map).MapServer != null) { await((IServiceMap)_map).MapServer.LogAsync( ((IServiceMap)_map).Name, "RenderFeatureLayer: " + ((layer != null) ? layer.Title : String.Empty), loggingMethod.error, ex.Message + "\n" + ex.Source + "\n" + ex.StackTrace); } if (_map != null) { _map.AddRequestException(new Exception("RenderFeatureLayerThread: " + ((layer != null) ? layer.Title : String.Empty) + "\n" + ex.Message, ex)); } } finally { if (clonedFeatureRenderer != null) { clonedFeatureRenderer.Release(); } if (clonedLabelRenderer != null) { clonedLabelRenderer.Release(); } if (originalCanvas != null) { ((Display)_map.Display).Canvas = originalCanvas; } if (compositionModeCopyCanvas != null) { compositionModeCopyCanvas.Dispose(); compositionModeCopyCanvas = null; } if (compositionModeCopyBitmap != null) { compositionModeCopyBitmap.Dispose(); compositionModeCopyBitmap = null; } _map.FireOnUserInterface(false); } }