private static Image DrawSampleImage(Image image, Style style) { Image newImage = new Bitmap(image.Width, image.Height); image.Dispose(); GdiPlusGeoCanvas canvas = new GdiPlusGeoCanvas(); canvas.BeginDrawing(newImage, new RectangleShape(0, newImage.Width, newImage.Height, 0), GeographyUnit.DecimalDegree); style.DrawSample(canvas); if (canvas.IsDrawing) { canvas.EndDrawing(); } return(newImage); }
protected override void DrawCore(GeoCanvas canvas, Collection <SimpleCandidate> labelsInAllLayers) { GeoImage miniImage = new GeoImage(width, height); RectangleShape scaledWorldExtent = MapEngine.GetDrawingExtent(canvas.CurrentWorldExtent, width, height); scaledWorldExtent.ScaleUp(300); GdiPlusGeoCanvas minCanvas = new GdiPlusGeoCanvas(); minCanvas.BeginDrawing(miniImage, scaledWorldExtent, canvas.MapUnit); foreach (Layer layer in layers) { layer.Draw(minCanvas, labelsInAllLayers); } minCanvas.DrawArea(RectangleShape.ScaleDown(minCanvas.CurrentWorldExtent, 1), new GeoPen(GeoColor.StandardColors.Gray, 2), DrawingLevel.LevelOne); minCanvas.DrawArea(canvas.CurrentWorldExtent, new GeoPen(GeoColor.StandardColors.Black, 2), DrawingLevel.LevelOne); minCanvas.EndDrawing(); ScreenPointF drawingLocation = GetDrawingLocation(canvas, width, height); canvas.DrawScreenImageWithoutScaling(miniImage, (drawingLocation.X + width / 2) + 10, (drawingLocation.Y + height / 2) - 10, DrawingLevel.LevelOne, 0, 0, 0); }
private LayerTile DrawHighlightTile(RectangleShape targetExtent, LayerTile tile) { tile.DrawingLayers.Clear(); if (highlightFeatureLayer.InternalFeatures.Count > 0) { tile.DrawingLayers.Add(highlightFeatureLayer); } GeoCanvas geoCanvas = new GdiPlusGeoCanvas() { CompositingQuality = CompositingQuality.HighSpeed, DrawingQuality = DrawingQuality.HighSpeed, SmoothingMode = SmoothingMode.HighSpeed }; Bitmap bitmap = new Bitmap((int)tile.Width, (int)tile.Height); geoCanvas.BeginDrawing(bitmap, targetExtent, MapArguments.MapUnit); tile.Draw(geoCanvas); geoCanvas.EndDrawing(); tile.CommitDrawing(geoCanvas, MapSuiteSampleHelper.GetImageSourceFromNativeImage(bitmap)); return tile; }