public static Ceiling ( |
||
value | ||
Результат |
/// <summary> /// Renders the layer /// </summary> /// <param name="g">Graphics object reference</param> /// <param name="map">Map which is rendered</param> public override void Render(Graphics g, MapViewport map) { if (map.Center == null) { throw (new ApplicationException("Cannot render map. View center not specified")); } if (_image == null) { throw new Exception("Image not set"); } // View to render var mapView = map.Envelope; // Layer view var lyrView = _envelope; // Get the view intersection var vi = mapView.Intersection(lyrView); if (!vi.IsNull) { // Image part // ReSharper disable InconsistentNaming var imgLT = Clip(_worldFile.ToRaster(new Coordinate(vi.MinX, vi.MaxY))); var imgRB = Clip(_worldFile.ToRaster(new Coordinate(vi.MaxX, vi.MinY))); var imgRect = new Rectangle(imgLT, PointDiff(imgLT, imgRB, 1)); // Map Part var mapLT = Point.Truncate(map.WorldToImage(new Coordinate(vi.MinX, vi.MaxY))); var mapRB = Point.Ceiling(map.WorldToImage(new Coordinate(vi.MaxX, vi.MinY))); var mapRect = new Rectangle(mapLT, PointDiff(mapLT, mapRB, 1)); // ReSharper restore InconsistentNaming // Set the interpolation mode var tmpInterpolationMode = g.InterpolationMode; g.InterpolationMode = InterpolationMode; // Render the image using (var ia = new ImageAttributes()) { ia.SetColorMatrix(new ColorMatrix { Matrix44 = 1 - Transparency }, ColorMatrixFlag.Default, ColorAdjustType.Bitmap); g.DrawImage(_image, mapRect, imgRect.X, imgRect.Y, imgRect.Width, imgRect.Height, GraphicsUnit.Pixel, ia); } // reset the interpolation mode g.InterpolationMode = tmpInterpolationMode; } // Obsolete (and will cause infinite loop) //base.Render(g, map); }
/// <summary> /// Renders the layer /// </summary> /// <param name="g">Graphics object reference</param> /// <param name="map">Map which is rendered</param> public override void Render(Graphics g, Map map) { if (map.Center == null) { throw (new ApplicationException("Cannot render map. View center not specified")); } if (_image == null) { throw new Exception("Image not set"); } // Style enabled? var doRender = Style.Enabled; // Valid for this zoom if (map.Zoom < Style.MinVisible || Style.MaxVisible < map.Zoom) { doRender = false; } // View to render var mapView = map.Envelope; // Layer view var lyrView = _envelope; // Get the view intersection var vi = mapView.Intersection(lyrView); // if (doRender && !vi.IsNull) { // Image part // ReSharper disable InconsistentNaming var imgLT = Clip(Point.Truncate(new Point((int)vi.MinX, (int)vi.MaxY)), map.PixelSize); var imgRB = Clip(Point.Ceiling(new Point((int)vi.MaxX, (int)vi.MinY)), map.PixelSize); var imgRect = new Rectangle(imgLT, PointDiff(imgLT, imgRB, 1)); // Map Part var mapLT = Point.Truncate(map.WorldToImage(new Coordinate(vi.MinX, vi.MaxY))); var mapRB = Point.Ceiling(map.WorldToImage(new Coordinate(vi.MaxX, vi.MinY))); var mapRect = new Rectangle(mapLT, PointDiff(mapLT, mapRB, 1)); // ReSharper restore InconsistentNaming // Set the interpolation mode var tmpInterpolationMode = g.InterpolationMode; g.InterpolationMode = InterpolationMode; // Render the image using (var ia = new ImageAttributes()) { ia.SetColorMatrix(new ColorMatrix { Matrix44 = 1 - Transparency }, ColorMatrixFlag.Default, ColorAdjustType.Bitmap); g.DrawImage(_image, mapRect, imgRect.X, imgRect.Y, imgRect.Width, imgRect.Height, GraphicsUnit.Pixel, ia); } // reset the interpolation mode g.InterpolationMode = tmpInterpolationMode; } base.Render(g, map); }