Exemplo n.º 1
0
        private void PrintLayer(IMapLayer layer, MapArgs args)
        {
            MapLabelLayer.ClearAllExistingLabels();  //need to do this or labels not drawn on refresh
            IMapGroup group = layer as IMapGroup;

            if (group != null)
            {
                foreach (IMapLayer subLayer in group.Layers)
                {
                    PrintLayer(subLayer, args);
                }
            }

            IMapLayer geoLayer = layer;

            if (geoLayer != null)
            {
                if (geoLayer.UseDynamicVisibility)
                {
                    if (ViewExtents.Width > geoLayer.DynamicVisibilityWidth)
                    {
                        return;  // skip the geoLayer if we are zoomed out too far.
                    }
                }

                if (geoLayer.IsVisible == false)
                {
                    return;
                }

                geoLayer.DrawRegions(args, new List <Extent> {
                    args.GeographicExtents
                });

                IMapFeatureLayer mfl = geoLayer as IMapFeatureLayer;
                if (mfl != null)
                {
                    if (mfl.UseDynamicVisibility)
                    {
                        if (ViewExtents.Width > mfl.DynamicVisibilityWidth)
                        {
                            return;
                        }
                    }
                    if (mfl.ShowLabels && mfl.LabelLayer != null)
                    {
                        if (mfl.LabelLayer.UseDynamicVisibility)
                        {
                            if (ViewExtents.Width > mfl.LabelLayer.DynamicVisibilityWidth)
                            {
                                return;
                            }
                        }
                        mfl.LabelLayer.DrawRegions(args, new List <Extent> {
                            args.GeographicExtents
                        });
                    }
                }
            }
        }
Exemplo n.º 2
0
        public static Bitmap GetBitmap(IMapLayer mapLayer, Extent extent, Rectangle rectangle)
        {
            Bitmap bmp = new Bitmap(rectangle.Width, rectangle.Height);

            using (Graphics graphics = Graphics.FromImage(bmp))
            {
                MapArgs       mapArgs = new MapArgs(rectangle, extent, graphics);
                List <Extent> extents = new List <Extent>()
                {
                    extent
                };
                mapLayer.DrawRegions(mapArgs, extents, false);
            }
            return(bmp);
        }